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mesh across multiple primary clusters." href=/v1.19/docs/setup/install/multicluster/multi-primary/>Install Multi-Primary</a></li><li role=none><a role=treeitem title="Install an Istio mesh across primary and remote clusters." href=/v1.19/docs/setup/install/multicluster/primary-remote/>Install Primary-Remote</a></li><li role=none><a role=treeitem title="Install an Istio mesh across multiple primary clusters on different networks." href=/v1.19/docs/setup/install/multicluster/multi-primary_multi-network/>Install Multi-Primary on different networks</a></li><li role=none><a role=treeitem title="Install an Istio mesh across primary and remote clusters on different networks." href=/v1.19/docs/setup/install/multicluster/primary-remote_multi-network/>Install Primary-Remote on different networks</a></li><li role=none><a role=treeitem title="Verify that Istio has been installed properly on multiple clusters." href=/v1.19/docs/setup/install/multicluster/verify/>Verify the installation</a></li></ul></li><li role=none><a role=treeitem title="Install Istio with an external control plane and a remote cluster data plane." href=/v1.19/docs/setup/install/external-controlplane/>Install Istio with an External Control Plane</a></li><li role=none><a role=treeitem title="Install multiple Istio control planes in a single cluster using revisions and discoverySelectors." href=/v1.19/docs/setup/install/multiple-controlplanes/>Install Multiple Istio Control Planes in a Single Cluster</a></li><li role=none><a role=treeitem title="Deploy Istio and connect a workload running within a virtual machine to it." href=/v1.19/docs/setup/install/virtual-machine/>Virtual Machine Installation</a></li><li role=none><a role=treeitem title="Instructions to install Istio in a Kubernetes cluster using the Istio operator." href=/v1.19/docs/setup/install/operator/>Istio Operator Install</a></li></ul></li><li role=treeitem aria-label=Upgrade><button aria-hidden=true tabindex=-1></button><a 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href=/v1.19/docs/setup/additional-setup/getting-started/>Getting Started with Istio and Kubernetes Gateway API</a></li><li role=none><a role=treeitem title="Describes the built-in Istio installation configuration profiles." href=/v1.19/docs/setup/additional-setup/config-profiles/>Installation Configuration Profiles</a></li><li role=none><a role=treeitem title="Install and customize Istio Gateways." href=/v1.19/docs/setup/additional-setup/gateway/>Installing Gateways</a></li><li role=none><a role=treeitem title="Install the Istio sidecar in application pods automatically using the sidecar injector webhook or manually using istioctl CLI." href=/v1.19/docs/setup/additional-setup/sidecar-injection/>Installing the Sidecar</a></li><li role=none><a role=treeitem title="Describes how to customize installation configuration options." href=/v1.19/docs/setup/additional-setup/customize-installation/>Customizing the installation configuration</a></li><li role=none><a role=treeitem title="Describes how to customize installation configuration options when installing with helm." href=/v1.19/docs/setup/additional-setup/customize-installation-helm/>Advanced Helm Chart Customization</a></li><li role=none><a role=treeitem title="Install and use Istio with the Pod Security admission controller." href=/v1.19/docs/setup/additional-setup/pod-security-admission/>Install Istio with Pod Security Admission</a></li><li role=none><a role=treeitem title="Install and use Istio with the Istio CNI plugin, allowing operators to deploy services with lower privilege." href=/v1.19/docs/setup/additional-setup/cni/>Install Istio with the Istio CNI plugin</a></li></ul></li></ul></li><li role=treeitem aria-label=Tasks><a class=main title="How to do single specific targeted activities with the Istio system." href=/v1.19/docs/tasks/>Tasks</a><ul role=group aria-expanded=true><li role=treeitem aria-label="Traffic Management"><button aria-hidden=true tabindex=-1></button><a title="Tasks that demonstrate Istio's traffic routing features." href=/v1.19/docs/tasks/traffic-management/>Traffic Management</a><ul role=group aria-expanded=false><li role=none><a role=treeitem title="This task shows you how to configure dynamic request routing to multiple versions of a microservice." href=/v1.19/docs/tasks/traffic-management/request-routing/>Request Routing</a></li><li role=none><a role=treeitem title="This task shows you how to inject faults to test the resiliency of your application." href=/v1.19/docs/tasks/traffic-management/fault-injection/>Fault Injection</a></li><li role=none><a role=treeitem title="Shows you how to migrate traffic from an old to new version of a service." href=/v1.19/docs/tasks/traffic-management/traffic-shifting/>Traffic Shifting</a></li><li role=none><a role=treeitem title="Shows you how to migrate TCP traffic from an old to new version of a TCP service." href=/v1.19/docs/tasks/traffic-management/tcp-traffic-shifting/>TCP Traffic Shifting</a></li><li role=none><a role=treeitem title="This task shows you how to set up request timeouts in Envoy using Istio." href=/v1.19/docs/tasks/traffic-management/request-timeouts/>Request Timeouts</a></li><li role=none><a role=treeitem title="This task shows you how to configure circuit breaking for connections, requests, and outlier detection." href=/v1.19/docs/tasks/traffic-management/circuit-breaking/>Circuit Breaking</a></li><li role=none><a role=treeitem title="This task demonstrates the traffic mirroring/shadowing capabilities of Istio." href=/v1.19/docs/tasks/traffic-management/mirroring/>Mirroring</a></li><li role=treeitem aria-label="Locality Load Balancing"><button aria-hidden=true tabindex=-1></button><a title="This series of tasks demonstrate how to configure locality load balancing in Istio." href=/v1.19/docs/tasks/traffic-management/locality-load-balancing/>Locality Load Balancing</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Initial steps before configuring locality load balancing." href=/v1.19/docs/tasks/traffic-management/locality-load-balancing/before-you-begin/>Before you begin</a></li><li role=none><a role=treeitem title="This task demonstrates how to configure your mesh for locality failover." href=/v1.19/docs/tasks/traffic-management/locality-load-balancing/failover/>Locality failover</a></li><li role=none><a role=treeitem title="This guide demonstrates how to configure locality distribution." href=/v1.19/docs/tasks/traffic-management/locality-load-balancing/distribute/>Locality weighted distribution</a></li><li role=none><a role=treeitem title="Cleanup steps for locality load balancing." href=/v1.19/docs/tasks/traffic-management/locality-load-balancing/cleanup/>Cleanup</a></li></ul></li><li role=treeitem aria-label=Ingress><button aria-hidden=true tabindex=-1></button><a title="Controlling ingress traffic for an Istio service mesh." href=/v1.19/docs/tasks/traffic-management/ingress/>Ingress</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Describes how to configure an Istio gateway to expose a service outside of the service mesh." href=/v1.19/docs/tasks/traffic-management/ingress/ingress-control/>Ingress Gateways</a></li><li role=none><a role=treeitem title="Expose a service outside of the service mesh over TLS or mTLS." href=/v1.19/docs/tasks/traffic-management/ingress/secure-ingress/>Secure Gateways</a></li><li role=none><a role=treeitem title="Describes how to configure SNI passthrough for an ingress gateway." href=/v1.19/docs/tasks/traffic-management/ingress/ingress-sni-passthrough/>Ingress Gateway without TLS Termination</a></li><li role=none><a role=treeitem title="Describes how to terminate TLS traffic at a sidecar without using an Ingress Gateway." href=/v1.19/docs/tasks/traffic-management/ingress/ingress-sidecar-tls-termination/>Ingress Sidecar TLS Termination</a></li><li role=none><a role=treeitem title="Describes how to configure a Kubernetes Ingress object to expose a service outside of the service mesh." href=/v1.19/docs/tasks/traffic-management/ingress/kubernetes-ingress/>Kubernetes Ingress</a></li><li role=none><a role=treeitem title="Describes how to configure the Kubernetes Gateway API with Istio." href=/v1.19/docs/tasks/traffic-management/ingress/gateway-api/>Kubernetes Gateway API</a></li></ul></li><li role=treeitem aria-label=Egress><button aria-hidden=true tabindex=-1></button><a title="Controlling egress traffic for an Istio service mesh." href=/v1.19/docs/tasks/traffic-management/egress/>Egress</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Describes how to configure Istio to route traffic from services in the mesh to external services." href=/v1.19/docs/tasks/traffic-management/egress/egress-control/>Accessing External Services</a></li><li role=none><a role=treeitem title="Describes how to configure Istio to perform TLS origination for traffic to external services." href=/v1.19/docs/tasks/traffic-management/egress/egress-tls-origination/>Egress TLS Origination</a></li><li role=none><a role=treeitem title="Describes how to configure Istio to direct traffic to external services through a dedicated gateway." href=/v1.19/docs/tasks/traffic-management/egress/egress-gateway/>Egress Gateways</a></li><li role=none><a role=treeitem title="Describes how to configure an Egress Gateway to perform TLS origination to external services." href=/v1.19/docs/tasks/traffic-management/egress/egress-gateway-tls-origination/>Egress Gateways with TLS Origination</a></li><li role=none><a role=treeitem title="Describes how to enable egress traffic for a set of hosts in a common domain, instead of configuring each and every host separately." href=/v1.19/docs/tasks/traffic-management/egress/wildcard-egress-hosts/>Egress using Wildcard Hosts</a></li><li role=none><a role=treeitem title="Shows how to configure Istio for Kubernetes External Services." href=/v1.19/docs/tasks/traffic-management/egress/egress-kubernetes-services/>Kubernetes Services for Egress Traffic</a></li><li role=none><a role=treeitem title="Describes how to configure Istio to let applications use an external HTTPS proxy." href=/v1.19/docs/tasks/traffic-management/egress/http-proxy/>Using an External HTTPS Proxy</a></li></ul></li></ul></li><li role=treeitem aria-label=Security><button aria-hidden=true tabindex=-1></button><a title="Demonstrates how to secure the mesh." href=/v1.19/docs/tasks/security/>Security</a><ul role=group aria-expanded=false><li role=treeitem aria-label="Certificate Management"><button aria-hidden=true tabindex=-1></button><a title="Management of the certificates in Istio." href=/v1.19/docs/tasks/security/cert-management/>Certificate Management</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows how system administrators can configure Istio's CA with a root certificate, signing certificate and key." href=/v1.19/docs/tasks/security/cert-management/plugin-ca-cert/>Plug in CA Certificates</a></li><li role=none><a role=treeitem title="Shows how to use a Custom Certificate Authority (that integrates with the Kubernetes CSR API) to provision Istio workload certificates (Experimental)" href=/v1.19/docs/tasks/security/cert-management/custom-ca-k8s/>Custom CA Integration using Kubernetes CSR *</a></li></ul></li><li role=treeitem aria-label=Authentication><button aria-hidden=true tabindex=-1></button><a title="Controlling mutual TLS and end-user authentication for mesh services." href=/v1.19/docs/tasks/security/authentication/>Authentication</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows you how to use Istio authentication policy to set up mutual TLS and basic end-user authentication." href=/v1.19/docs/tasks/security/authentication/authn-policy/>Authentication Policy</a></li><li role=none><a role=treeitem title="Shows you how to use Istio authentication policy to route requests based on JWT claims (Alpha)" href=/v1.19/docs/tasks/security/authentication/jwt-route/>JWT claim based routing *</a></li><li role=none><a role=treeitem title="Shows how users can copy their JWT claims to HTTP headers (Experimental)" href=/v1.19/docs/tasks/security/authentication/claim-to-header/>Copy JWT Claims to HTTP Headers *</a></li><li role=none><a role=treeitem title="Shows you how to incrementally migrate your Istio services to mutual TLS." href=/v1.19/docs/tasks/security/authentication/mtls-migration/>Mutual TLS Migration</a></li></ul></li><li role=treeitem aria-label=Authorization><button aria-hidden=true tabindex=-1></button><a title="Shows how to control access to Istio services." href=/v1.19/docs/tasks/security/authorization/>Authorization</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows how to set up access control for HTTP traffic." href=/v1.19/docs/tasks/security/authorization/authz-http/>HTTP Traffic</a></li><li role=none><a role=treeitem title="Shows how to set up access control for TCP traffic." href=/v1.19/docs/tasks/security/authorization/authz-tcp/>TCP Traffic</a></li><li role=none><a role=treeitem title="Shows how to set up access control for JWT token." href=/v1.19/docs/tasks/security/authorization/authz-jwt/>JWT Token</a></li><li role=none><a role=treeitem title="Shows how to integrate and delegate access control to an external authorization system." href=/v1.19/docs/tasks/security/authorization/authz-custom/>External Authorization</a></li><li role=none><a role=treeitem title="Shows how to set up access control to deny traffic explicitly." href=/v1.19/docs/tasks/security/authorization/authz-deny/>Explicit Deny</a></li><li role=none><a role=treeitem title="Shows how to set up access control on an ingress gateway." href=/v1.19/docs/tasks/security/authorization/authz-ingress/>Ingress Access Control</a></li><li role=none><a role=treeitem title="Shows how to migrate from one trust domain to another without changing authorization policy." href=/v1.19/docs/tasks/security/authorization/authz-td-migration/>Trust Domain Migration</a></li><li role=none><a role=treeitem title="Shows how to dry-run an authorization policy without enforcing it (Alpha)" href=/v1.19/docs/tasks/security/authorization/authz-dry-run/>Dry Run *</a></li></ul></li><li role=treeitem aria-label="TLS Configuration"><button aria-hidden=true tabindex=-1></button><a title="TLS configuration in Istio." href=/v1.19/docs/tasks/security/tls-configuration/>TLS Configuration</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows how to configure the minimum TLS version for Istio workloads." href=/v1.19/docs/tasks/security/tls-configuration/workload-min-tls-version/>Istio Workload Minimum TLS Version Configuration</a></li></ul></li></ul></li><li role=treeitem aria-label="Policy Enforcement"><button aria-hidden=true tabindex=-1></button><a title="Demonstrates policy enforcement features." href=/v1.19/docs/tasks/policy-enforcement/>Policy Enforcement</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="This task shows you how to configure Istio to dynamically limit the traffic to a service." href=/v1.19/docs/tasks/policy-enforcement/rate-limit/>Enabling Rate Limits using Envoy</a></li></ul></li><li role=treeitem aria-label=Observability><button aria-hidden=true tabindex=-1></button><a title="Demonstrates how to collect telemetry information from the mesh." href=/v1.19/docs/tasks/observability/>Observability</a><ul role=group aria-expanded=false><li role=none><a role=treeitem title="This task shows you how to configure the Telemetry API (Alpha)" href=/v1.19/docs/tasks/observability/telemetry/>Telemetry API *</a></li><li role=treeitem aria-label=Metrics><button aria-hidden=true tabindex=-1></button><a title="Demonstrates the collection and querying of metrics within Istio." href=/v1.19/docs/tasks/observability/metrics/>Metrics</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="This task shows you how to customize the Istio metrics with Telemetry API." href=/v1.19/docs/tasks/observability/metrics/telemetry-api/>Customizing Istio Metrics with Telemetry API</a></li><li role=none><a role=treeitem title="This task shows you how to configure Istio to collect metrics for TCP services." href=/v1.19/docs/tasks/observability/metrics/tcp-metrics/>Collecting Metrics for TCP Services</a></li><li role=none><a role=treeitem title="This task shows you how to customize the Istio metrics." href=/v1.19/docs/tasks/observability/metrics/customize-metrics/>Customizing Istio Metrics</a></li><li role=none><a role=treeitem title="This task shows you how to improve telemetry by grouping requests and responses by their type." href=/v1.19/docs/tasks/observability/metrics/classify-metrics/>Classifying Metrics Based on Request or Response</a></li><li role=none><a role=treeitem title="This task shows you how to query for Istio Metrics using Prometheus." href=/v1.19/docs/tasks/observability/metrics/querying-metrics/>Querying Metrics from Prometheus</a></li><li role=none><a role=treeitem title="This task shows you how to set up and use the Istio Dashboard to monitor mesh traffic." href=/v1.19/docs/tasks/observability/metrics/using-istio-dashboard/>Visualizing Metrics with Grafana</a></li></ul></li><li role=treeitem aria-label=Logs><button aria-hidden=true tabindex=-1></button><a title="Demonstrates the collection of logs within Istio." href=/v1.19/docs/tasks/observability/logs/>Logs</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="This task shows you how to configure Envoy proxies to send access logs with Telemetry API." href=/v1.19/docs/tasks/observability/logs/telemetry-api/>Configure access logs with Telemetry API</a></li><li role=none><a role=treeitem title="This task shows you how to configure Envoy proxies to print access logs to their standard output." href=/v1.19/docs/tasks/observability/logs/access-log/>Envoy Access Logs</a></li><li role=none><a role=treeitem title="This task shows you how to configure Envoy proxies to send access logs with OpenTelemetry collector." href=/v1.19/docs/tasks/observability/logs/otel-provider/>OpenTelemetry</a></li></ul></li><li role=treeitem aria-label="Distributed Tracing"><button aria-hidden=true tabindex=-1></button><a title="This task shows you how to configure Istio-enabled applications to collect trace spans." href=/v1.19/docs/tasks/observability/distributed-tracing/>Distributed Tracing</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Overview of distributed tracing in Istio." href=/v1.19/docs/tasks/observability/distributed-tracing/overview/>Overview</a></li><li role=none><a role=treeitem title="How to configure tracing options using Telemetry API." href=/v1.19/docs/tasks/observability/distributed-tracing/telemetry-api/>Configure tracing with Telemetry API</a></li><li role=none><a role=treeitem title="Learn how to configure the proxies to send tracing requests to Apache SkyWalking." href=/v1.19/docs/tasks/observability/distributed-tracing/skywalking/>Apache SkyWalking</a></li><li role=none><a role=treeitem title="Learn how to configure the proxies to send tracing requests to Jaeger." href=/v1.19/docs/tasks/observability/distributed-tracing/jaeger/>Jaeger</a></li><li role=none><a role=treeitem title="Learn how to configure the proxies to send OpenCensus-formatted spans to OpenTelemetry Collector." href=/v1.19/docs/tasks/observability/distributed-tracing/opencensusagent/>OpenCensus Agent</a></li><li role=none><a role=treeitem title="Learn how to configure the proxies to send tracing requests to Zipkin." href=/v1.19/docs/tasks/observability/distributed-tracing/zipkin/>Zipkin</a></li><li role=none><a role=treeitem title="How to configure tracing options using MeshConfig and pod annotations." href=/v1.19/docs/tasks/observability/distributed-tracing/mesh-and-proxy-config/>Configure tracing using MeshConfig and Pod annotations</a></li><li role=none><a role=treeitem title="How to configure the proxies to send tracing requests to Lightstep." href=/v1.19/docs/tasks/observability/distributed-tracing/lightstep/>Lightstep</a></li></ul></li><li role=none><a role=treeitem title="This task shows you how to visualize your services within an Istio mesh." href=/v1.19/docs/tasks/observability/kiali/>Visualizing Your Mesh</a></li><li role=none><a role=treeitem title="This task shows you how to configure external access to the set of Istio telemetry addons." href=/v1.19/docs/tasks/observability/gateways/>Remotely Accessing Telemetry Addons</a></li></ul></li><li role=treeitem aria-label=Extensibility><button aria-hidden=true tabindex=-1></button><a title="Demonstrates how to extend mesh behavior." href=/v1.19/docs/tasks/extensibility/>Extensibility</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Describes how to make remote WebAssembly modules available in the mesh (Alpha)" href=/v1.19/docs/tasks/extensibility/wasm-module-distribution/>Distributing WebAssembly Modules *</a></li></ul></li></ul></li><li role=treeitem aria-label=Examples><a class=main title="A variety of fully working example uses for Istio that you can experiment with." href=/v1.19/docs/examples/>Examples</a><ul role=group aria-expanded=true><li role=none><a role=treeitem title="Deploys a sample application composed of four separate microservices used to demonstrate various Istio features." href=/v1.19/docs/examples/bookinfo/>Bookinfo Application</a></li><li role=none><a role=treeitem title="Run the Bookinfo application with a MySQL service running on a virtual machine within your mesh." href=/v1.19/docs/examples/virtual-machines/>Bookinfo with a Virtual Machine</a></li><li role=treeitem aria-label="Learn Microservices using Kubernetes and Istio"><button aria-hidden=true tabindex=-1></button><a title="This modular tutorial provides new users with hands-on experience using Istio for common microservices scenarios, one step at a time." href=/v1.19/docs/examples/microservices-istio/>Learn Microservices using Kubernetes and Istio</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title href=/v1.19/docs/examples/microservices-istio/prereq/>Prerequisites</a></li><li role=none><a role=treeitem title href=/v1.19/docs/examples/microservices-istio/setup-kubernetes-cluster/>Set up a Kubernetes Cluster</a></li><li role=none><a role=treeitem title href=/v1.19/docs/examples/microservices-istio/setup-local-computer/>Set up a Local Computer</a></li><li role=none><a role=treeitem title href=/v1.19/docs/examples/microservices-istio/single/>Run a Microservice Locally</a></li><li role=none><a role=treeitem title href=/v1.19/docs/examples/microservices-istio/package-service/>Run ratings in Docker</a></li><li role=none><a role=treeitem title href=/v1.19/docs/examples/microservices-istio/bookinfo-kubernetes/>Run Bookinfo with Kubernetes</a></li><li role=none><a role=treeitem title href=/v1.19/docs/examples/microservices-istio/production-testing/>Test in production</a></li><li role=none><a role=treeitem title href=/v1.19/docs/examples/microservices-istio/add-new-microservice-version/>Add a new version of reviews</a></li><li role=none><a role=treeitem title href=/v1.19/docs/examples/microservices-istio/add-istio/>Enable Istio on productpage</a></li><li role=none><a role=treeitem title href=/v1.19/docs/examples/microservices-istio/enable-istio-all-microservices/>Enable Istio on all the microservices</a></li><li role=none><a role=treeitem title href=/v1.19/docs/examples/microservices-istio/istio-ingress-gateway/>Configure Istio Ingress Gateway</a></li><li role=none><a role=treeitem title href=/v1.19/docs/examples/microservices-istio/logs-istio/>Monitoring with Istio</a></li></ul></li></ul></li><li role=treeitem aria-label=Operations><a class=main title="Concepts, tools, and techniques to deploy and manage an Istio mesh." href=/v1.19/docs/ops/>Operations</a><ul role=group aria-expanded=true><li role=treeitem aria-label=Deployment><button aria-hidden=true tabindex=-1></button><a title="Requirements, concepts, and considerations for setting up an Istio deployment." href=/v1.19/docs/ops/deployment/>Deployment</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Describes Istio's high-level architecture and design goals." href=/v1.19/docs/ops/deployment/architecture/>Architecture</a></li><li role=none><a role=treeitem title="Describes the options and considerations when configuring your Istio deployment." href=/v1.19/docs/ops/deployment/deployment-models/>Deployment Models</a></li><li role=none><a role=treeitem title="Describes Istio's high-level architecture for virtual machines." href=/v1.19/docs/ops/deployment/vm-architecture/>Virtual Machine Architecture</a></li><li role=none><a role=treeitem title="Istio performance and scalability summary." href=/v1.19/docs/ops/deployment/performance-and-scalability/>Performance and Scalability</a></li><li role=none><a role=treeitem title="Requirements of applications deployed in an Istio-enabled cluster." href=/v1.19/docs/ops/deployment/requirements/>Application Requirements</a></li></ul></li><li role=treeitem aria-label=Configuration><button aria-hidden=true tabindex=-1></button><a title="Advanced concepts and features for configuring a running Istio mesh." href=/v1.19/docs/ops/configuration/>Configuration</a><ul role=group aria-expanded=false><li role=treeitem aria-label="Mesh Configuration"><button aria-hidden=true tabindex=-1></button><a title="Helps you manage the global mesh configuration." href=/v1.19/docs/ops/configuration/mesh/>Mesh Configuration</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Provides a general overview of Istio's use of Kubernetes webhooks and the related issues that can arise." href=/v1.19/docs/ops/configuration/mesh/webhook/>Dynamic Admission Webhooks Overview</a></li><li role=none><a role=treeitem title="Describes how to wait until a resource reaches a given status of readiness." href=/v1.19/docs/ops/configuration/mesh/config-resource-ready/>Wait on Resource Status for Applied Configuration</a></li><li role=none><a role=treeitem title="Shows how to do health checking for Istio services." href=/v1.19/docs/ops/configuration/mesh/app-health-check/>Health Checking of Istio Services</a></li></ul></li><li role=treeitem aria-label="Traffic Management"><button aria-hidden=true tabindex=-1></button><a title="Helps you manage the networking aspects of a running mesh." href=/v1.19/docs/ops/configuration/traffic-management/>Traffic Management</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Information on how to specify protocols." href=/v1.19/docs/ops/configuration/traffic-management/protocol-selection/>Protocol Selection</a></li><li role=none><a role=treeitem title="How to configure TLS settings to secure network traffic." href=/v1.19/docs/ops/configuration/traffic-management/tls-configuration/>TLS Configuration</a></li><li role=none><a role=treeitem title="How Istio routes traffic through the mesh." href=/v1.19/docs/ops/configuration/traffic-management/traffic-routing/>Traffic Routing</a></li><li role=none><a role=treeitem title="How DNS interacts with Istio." href=/v1.19/docs/ops/configuration/traffic-management/dns/>DNS</a></li><li role=none><a role=treeitem title="How to configure gateway network topology (Alpha)" href=/v1.19/docs/ops/configuration/traffic-management/network-topologies/>Configuring Gateway Network Topology *</a></li><li role=none><a role=treeitem title="How to configure DNS proxying." href=/v1.19/docs/ops/configuration/traffic-management/dns-proxy/>DNS Proxying</a></li><li role=none><a role=treeitem title="How to configure how traffic is distributed among clusters in the mesh." href=/v1.19/docs/ops/configuration/traffic-management/multicluster/>Multi-cluster Traffic Management</a></li></ul></li><li role=treeitem aria-label=Security><button aria-hidden=true tabindex=-1></button><a title="Helps you manage the security aspects of a running mesh." href=/v1.19/docs/ops/configuration/security/>Security</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows common examples of using Istio security policy." href=/v1.19/docs/ops/configuration/security/security-policy-examples/>Security policy examples</a></li><li role=none><a role=treeitem title="Use hardened container images to reduce Istio's attack surface (Alpha)" href=/v1.19/docs/ops/configuration/security/harden-docker-images/>Harden Docker Container Images *</a></li></ul></li><li role=treeitem aria-label=Observability><button aria-hidden=true tabindex=-1></button><a title="Helps you manage telemetry collection and visualization in a running mesh." href=/v1.19/docs/ops/configuration/telemetry/>Observability</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Fine-grained control of Envoy statistics." href=/v1.19/docs/ops/configuration/telemetry/envoy-stats/>Envoy Statistics</a></li><li role=none><a role=treeitem title="Configure Prometheus to monitor multicluster Istio." href=/v1.19/docs/ops/configuration/telemetry/monitoring-multicluster-prometheus/>Monitoring Multicluster Istio with Prometheus</a></li></ul></li><li role=treeitem aria-label=Extensibility><button aria-hidden=true tabindex=-1></button><a title="Helps you manage extensions to the service mesh." href=/v1.19/docs/ops/configuration/extensibility/>Extensibility</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Describes how Istio determines whether to pull Wasm modules or use cached versions (Alpha)" href=/v1.19/docs/ops/configuration/extensibility/wasm-pull-policy/>Pull Policy for WebAssembly Modules *</a></li></ul></li></ul></li><li role=treeitem aria-label="Best Practices"><button aria-hidden=true tabindex=-1></button><a title="Best practices for setting up and managing an Istio service mesh." href=/v1.19/docs/ops/best-practices/>Best Practices</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="General best practices when setting up an Istio service mesh." href=/v1.19/docs/ops/best-practices/deployment/>Deployment Best Practices</a></li><li role=none><a role=treeitem title="Configuration best practices to avoid networking or traffic management issues." href=/v1.19/docs/ops/best-practices/traffic-management/>Traffic Management Best Practices</a></li><li role=none><a role=treeitem title="Best practices for securing applications using Istio." href=/v1.19/docs/ops/best-practices/security/>Security Best Practices</a></li><li role=none><a role=treeitem title="Describes how to use image signatures to verify the provenance of Istio images." href=/v1.19/docs/ops/best-practices/image-signing-validation/>Image Signing and Validation</a></li><li role=none><a role=treeitem title="Best practices for observing applications using Istio." href=/v1.19/docs/ops/best-practices/observability/>Observability Best Practices</a></li></ul></li><li role=treeitem aria-label="Common Problems"><button aria-hidden=true tabindex=-1></button><a title="Describes how to identify and resolve common problems in Istio." href=/v1.19/docs/ops/common-problems/>Common Problems</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Techniques to address common Istio traffic management and network problems." href=/v1.19/docs/ops/common-problems/network-issues/>Traffic Management Problems</a></li><li role=none><a role=treeitem title="Techniques to address common Istio authentication, authorization, and general security-related problems." href=/v1.19/docs/ops/common-problems/security-issues/>Security Problems</a></li><li role=none><a role=treeitem title="Dealing with telemetry collection issues." href=/v1.19/docs/ops/common-problems/observability-issues/>Observability Problems</a></li><li role=none><a role=treeitem title="Resolve common problems with Istio's use of Kubernetes webhooks for automatic sidecar injection." href=/v1.19/docs/ops/common-problems/injection/>Sidecar Injection Problems</a></li><li role=none><a role=treeitem title="Describes how to resolve configuration validation problems." href=/v1.19/docs/ops/common-problems/validation/>Configuration Validation Problems</a></li><li role=none><a role=treeitem title="Resolve common problems with Istio upgrades." href=/v1.19/docs/ops/common-problems/upgrade-issues/>Upgrade Problems</a></li></ul></li><li role=treeitem aria-label="Diagnostic Tools"><button aria-hidden=true tabindex=-1></button><a title="Tools and techniques to help troubleshoot an Istio mesh." href=/v1.19/docs/ops/diagnostic-tools/>Diagnostic Tools</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Istio includes a supplemental tool that provides debugging and diagnosis for Istio service mesh deployments." href=/v1.19/docs/ops/diagnostic-tools/istioctl/>Using the Istioctl Command-line Tool</a></li><li role=none><a role=treeitem title="Describes tools and techniques to diagnose Envoy configuration issues related to traffic management." href=/v1.19/docs/ops/diagnostic-tools/proxy-cmd/>Debugging Envoy and Istiod</a></li><li role=none><a role=treeitem title="Shows you how to use istioctl describe to verify the configurations of a pod in your mesh." href=/v1.19/docs/ops/diagnostic-tools/istioctl-describe/>Understand your Mesh with Istioctl Describe</a></li><li role=none><a role=treeitem title="Shows you how to use istioctl analyze to identify potential issues with your configuration." href=/v1.19/docs/ops/diagnostic-tools/istioctl-analyze/>Diagnose your Configuration with Istioctl Analyze</a></li><li role=none><a role=treeitem title="Learn how to use istioctl check-inject to confirm if Istio sidecar injection is properly enabled for your deployments." href=/v1.19/docs/ops/diagnostic-tools/check-inject/>Verifying Istio Sidecar Injection with Istioctl Check-Inject</a></li><li role=none><a role=treeitem title="Describes how to use ControlZ to get insight into a running istiod component." href=/v1.19/docs/ops/diagnostic-tools/controlz/>Istiod Introspection</a></li><li role=none><a role=treeitem title="Describes how to use component-level logging to get insights into a running component's behavior." href=/v1.19/docs/ops/diagnostic-tools/component-logging/>Component Logging</a></li><li role=none><a role=treeitem title="Describes tools and techniques to diagnose issues with Virtual Machines." href=/v1.19/docs/ops/diagnostic-tools/virtual-machines/>Debugging Virtual Machines</a></li><li role=none><a role=treeitem title="Describes tools and techniques to diagnose issues with multicluster and multi-network installations." href=/v1.19/docs/ops/diagnostic-tools/multicluster/>Troubleshooting Multicluster</a></li><li role=none><a role=treeitem title="Describes tools and techniques to diagnose issues using Istio with the CNI plugin." href=/v1.19/docs/ops/diagnostic-tools/cni/>Troubleshooting the Istio CNI plugin</a></li></ul></li><li role=treeitem aria-label="Ambient Mesh"><button aria-hidden=true tabindex=-1></button><a title="Information for setting up and operating Istio ambient mesh." href=/v1.19/docs/ops/ambient/>Ambient Mesh</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="How to deploy and install ambient mesh." href=/v1.19/docs/ops/ambient/getting-started/>Getting Started with Ambient Mesh</a></li><li role=none><a role=treeitem title="How to use ambient mesh." href=/v1.19/docs/ops/ambient/usage/>Ambient Mesh Usage Guide</a></li><li role=none><a role=treeitem title="Deep dive into ambient mesh architecture." href=/v1.19/docs/ops/ambient/architecture/>Ambient Mesh Architecture</a></li></ul></li><li role=treeitem aria-label=Integrations><button aria-hidden=true tabindex=-1></button><a title="Other software that Istio can integrate with to provide additional functionality." href=/v1.19/docs/ops/integrations/>Integrations</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Information on how to integrate with cert-manager." href=/v1.19/docs/ops/integrations/certmanager/>cert-manager</a></li><li role=none><a role=treeitem title="Information on how to integrate with Grafana to set up Istio dashboards." href=/v1.19/docs/ops/integrations/grafana/>Grafana</a></li><li role=none><a role=treeitem title="How to integrate with Jaeger." href=/v1.19/docs/ops/integrations/jaeger/>Jaeger</a></li><li role=none><a role=treeitem title="Information on how to integrate with Kiali." href=/v1.19/docs/ops/integrations/kiali/>Kiali</a></li><li role=none><a role=treeitem title="How to integrate with Prometheus." href=/v1.19/docs/ops/integrations/prometheus/>Prometheus</a></li><li role=none><a role=treeitem title="How to configure Istio to integrate with SPIRE to get cryptographic identities through Envoy's SDS API." href=/v1.19/docs/ops/integrations/spire/>SPIRE</a></li><li role=none><a role=treeitem title="How to integrate with Apache SkyWalking." href=/v1.19/docs/ops/integrations/skywalking/>Apache SkyWalking</a></li><li role=none><a role=treeitem title="How to integrate with Zipkin." href=/v1.19/docs/ops/integrations/zipkin/>Zipkin</a></li><li role=none><a role=treeitem title="How to integrate Istio with third party load balancers." href=/v1.19/docs/ops/integrations/loadbalancers/>Third Party Load Balancers</a></li></ul></li></ul></li><li role=treeitem aria-label=Releases><a class=main title="Information relating to Istio releases." href=/v1.19/docs/releases/>Releases</a><ul role=group aria-expanded=true><li role=none><a role=treeitem title="List of features and their release stages." href=/v1.19/docs/releases/feature-stages/>Feature Status</a></li><li role=none><a role=treeitem title="What to do if you find a bug." href=/v1.19/docs/releases/bugs/>Reporting Bugs</a></li><li role=none><a role=treeitem title="How we handle security vulnerabilities." href=/v1.19/docs/releases/security-vulnerabilities/>Security Vulnerabilities</a></li><li role=none><a role=treeitem title="The currently supported Istio releases." href=/v1.19/docs/releases/supported-releases/>Supported Releases</a></li><li role=treeitem aria-label="Contribute Documentation"><button aria-hidden=true tabindex=-1></button><a title="Details how to create and maintain Istio documentation pages." href=/v1.19/docs/releases/contribute/>Contribute Documentation</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows you how to use GitHub to contribute to the Istio documentation." href=/v1.19/docs/releases/contribute/github/>Work with GitHub</a></li><li role=none><a role=treeitem title="Details how to contribute new documentation to Istio." href=/v1.19/docs/releases/contribute/add-content/>Add New Documentation</a></li><li role=none><a role=treeitem title="Details how to contribute retired documentation to Istio." href=/v1.19/docs/releases/contribute/remove-content/>Remove Retired Documentation</a></li><li role=none><a role=treeitem title="Explains how to locally build, test, serve, and preview the website." href=/v1.19/docs/releases/contribute/build/>Build and serve the website locally</a></li><li role=none><a role=treeitem title="Explains the front matter used in our documentation and the fields available." href=/v1.19/docs/releases/contribute/front-matter/>Front matter</a></li><li role=none><a role=treeitem title="Shows you how changes to the Istio documentation and website are reviewed and approved." href=/v1.19/docs/releases/contribute/review/>Documentation Review Process</a></li><li role=none><a role=treeitem title="Explains how to include code in your documentation." href=/v1.19/docs/releases/contribute/code-blocks/>Add Code Blocks</a></li><li role=none><a role=treeitem title="Explains the shortcodes available and how to use them." href=/v1.19/docs/releases/contribute/shortcodes/>Use Shortcodes</a></li><li role=none><a role=treeitem title="Explains the standard markup used to format Istio documentation." href=/v1.19/docs/releases/contribute/formatting/>Follow Formatting Standards</a></li><li role=none><a role=treeitem title="Explains the style conventions used in the Istio documentation." href=/v1.19/docs/releases/contribute/style-guide/>Style Guide</a></li><li role=none><a role=treeitem title="Explains the terminology standards used in the Istio documentation." href=/v1.19/docs/releases/contribute/terminology/>Terminology Standards</a></li><li role=none><a role=treeitem title="Provides assets and instructions to create diagrams for the Istio documentation." href=/v1.19/docs/releases/contribute/diagrams/>Diagram Creation Guidelines</a></li></ul></li><li role=none><a role=treeitem title="List of recent changes to this website." href=/v1.19/docs/releases/log/>Website Content Changes</a></li></ul></li><li role=treeitem aria-label=Reference><a class=main title="Detailed authoritative reference material such as command-line options, configuration options, and API calling parameters." href=/v1.19/docs/reference/>Reference</a><ul role=group aria-expanded=true><li role=treeitem aria-label=Configuration><button aria-hidden=true tabindex=-1></button><a title="Detailed information on configuration options." href=/v1.19/docs/reference/config/>Configuration</a><ul role=group aria-expanded=false><li role=none><a role=treeitem title="Telemetry configuration for workloads." href=/v1.19/docs/reference/config/telemetry/>Telemetry</a></li><li role=none><a role=treeitem title="Describes the structure of messages generated by Istio analyzers." href=/v1.19/docs/reference/config/istio.analysis.v1alpha1/>Analysis Messages</a></li><li role=none><a role=treeitem title="Configuration affecting the service mesh as a whole." href=/v1.19/docs/reference/config/istio.mesh.v1alpha1/>Global Mesh Options</a></li><li role=none><a role=treeitem title="Configuration affecting Istio control plane installation version and shape." href=/v1.19/docs/reference/config/istio.operator.v1alpha1/>IstioOperator Options</a></li><li role=none><a role=treeitem title="Describes the role of the `status` field in configuration workflow." href=/v1.19/docs/reference/config/config-status/>Configuration Status Field</a></li><li role=treeitem aria-label="Proxy Extensions"><button aria-hidden=true tabindex=-1></button><a title="Describes how to configure Istio proxy extensions." href=/v1.19/docs/reference/config/proxy_extensions/>Proxy Extensions</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Extend the functionality provided by the Istio proxy through WebAssembly filters." href=/v1.19/docs/reference/config/proxy_extensions/wasm-plugin/>Wasm Plugin</a></li><li role=none><a role=treeitem title="Configuration for AccessLogPolicy Filter." href=/v1.19/docs/reference/config/proxy_extensions/accesslogpolicy/>AccessLogPolicy Config</a></li><li role=none><a role=treeitem title="Configuration for Metadata Exchange Filter." href=/v1.19/docs/reference/config/proxy_extensions/metadata_exchange/>Metadata Exchange Config</a></li><li role=none><a role=treeitem title="Configuration for Stackdriver filter." href=/v1.19/docs/reference/config/proxy_extensions/stackdriver/>Stackdriver Config</a></li><li role=none><a role=treeitem title="How to enable telemetry generation with the Wasm runtime (Experimental)" href=/v1.19/docs/reference/config/proxy_extensions/wasm_telemetry/>Wasm-based Telemetry *</a></li></ul></li><li role=treeitem aria-label="Traffic Management"><button aria-hidden=true tabindex=-1></button><a title="Describes how to configure HTTP/TCP routing features." href=/v1.19/docs/reference/config/networking/>Traffic Management</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Configuration affecting load balancing, outlier detection, etc." href=/v1.19/docs/reference/config/networking/destination-rule/>Destination Rule</a></li><li role=none><a role=treeitem title="Customizing Envoy configuration generated by Istio." href=/v1.19/docs/reference/config/networking/envoy-filter/>Envoy Filter</a></li><li role=none><a role=treeitem title="Configuration affecting edge load balancer." href=/v1.19/docs/reference/config/networking/gateway/>Gateway</a></li><li role=none><a role=treeitem title="Provides configuration for individual workloads." href=/v1.19/docs/reference/config/networking/proxy-config/>ProxyConfig</a></li><li role=none><a role=treeitem title="Configuration affecting service registry." href=/v1.19/docs/reference/config/networking/service-entry/>Service Entry</a></li><li role=none><a role=treeitem title="Configuration affecting network reachability of a sidecar." href=/v1.19/docs/reference/config/networking/sidecar/>Sidecar</a></li><li role=none><a role=treeitem title="Configuration affecting label/content routing, sni routing, etc." href=/v1.19/docs/reference/config/networking/virtual-service/>Virtual Service</a></li><li role=none><a role=treeitem title="Configuration affecting VMs onboarded into the mesh." href=/v1.19/docs/reference/config/networking/workload-entry/>Workload Entry</a></li><li role=none><a role=treeitem title="Describes a collection of workload instances." href=/v1.19/docs/reference/config/networking/workload-group/>Workload Group</a></li></ul></li><li role=treeitem aria-label=Security><button aria-hidden=true tabindex=-1></button><a title="Describes how to configure Istio's security features." href=/v1.19/docs/reference/config/security/>Security</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Configuration to validate JWT." href=/v1.19/docs/reference/config/security/jwt/>JWTRule</a></li><li role=none><a role=treeitem title="Peer authentication configuration for workloads." href=/v1.19/docs/reference/config/security/peer_authentication/>PeerAuthentication</a></li><li role=none><a role=treeitem title="Request authentication configuration for workloads." href=/v1.19/docs/reference/config/security/request_authentication/>RequestAuthentication</a></li><li role=none><a role=treeitem title="Configuration for access control on workloads." href=/v1.19/docs/reference/config/security/authorization-policy/>Authorization Policy</a></li><li role=none><a role=treeitem title="Describes the supported conditions in authorization policies." href=/v1.19/docs/reference/config/security/conditions/>Authorization Policy Conditions</a></li><li role=none><a role=treeitem title="Describes the supported normalizations in authorization policies." href=/v1.19/docs/reference/config/security/normalization/>Authorization Policy Normalization</a></li></ul></li><li role=treeitem aria-label="Common Types"><button aria-hidden=true tabindex=-1></button><a title="Describes common types in Istio API." href=/v1.19/docs/reference/config/type/>Common Types</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Definition of a workload selector." href=/v1.19/docs/reference/config/type/workload-selector/>Workload Selector</a></li></ul></li><li role=none><a role=treeitem title="Istio standard metrics exported by Istio telemetry." href=/v1.19/docs/reference/config/metrics/>Istio Standard Metrics</a></li><li role=none><a role=treeitem title="Resource annotations used by Istio." href=/v1.19/docs/reference/config/annotations/>Resource Annotations</a></li><li role=none><a role=treeitem title="Resource labels used by Istio." href=/v1.19/docs/reference/config/labels/>Resource Labels</a></li><li role=treeitem aria-label="Configuration Analysis Messages"><button aria-hidden=true tabindex=-1></button><a title="Documents the individual error and warning messages produced during configuration analysis." href=/v1.19/docs/reference/config/analysis/>Configuration Analysis Messages</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0136/>AlphaAnnotation</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/message-format/>Analyzer Message Format</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0109/>ConflictingMeshGatewayVirtualServiceHosts</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0110/>ConflictingSidecarWorkloadSelectors</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0159/>ConflictingTelemetryWorkloadSelectors</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0116/>DeploymentAssociatedToMultipleServices</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0137/>DeploymentConflictingPorts</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0117/>DeploymentRequiresServiceAssociated</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0002/>Deprecated</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0135/>DeprecatedAnnotation</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0153/>EnvoyFilterUsesAddOperationIncorrectly</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0151/>EnvoyFilterUsesRelativeOperation</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0155/>EnvoyFilterUsesRelativeOperationWithProxyVersion</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0154/>EnvoyFilterUsesRemoveOperationIncorrectly</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0152/>EnvoyFilterUsesReplaceOperationIncorrectly</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0150/>ExternalNameServiceTypeInvalidPortName</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0104/>GatewayPortNotOnWorkload</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0001/>InternalError</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0125/>InvalidAnnotation</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0144/>InvalidApplicationUID</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0161/>InvalidGatewayCredential</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0122/>InvalidRegexp</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0157/>InvalidTelemetryProvider</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0119/>JwtFailureDueToInvalidServicePortPrefix</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0143/>LocalhostListener</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0107/>MisplacedAnnotation</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0113/>MTLSPolicyConflict</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0111/>MultipleSidecarsWithoutWorkloadSelectors</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0160/>MultipleTelemetriesWithoutWorkloadSelectors</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0123/>NamespaceMultipleInjectionLabels</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0102/>NamespaceNotInjected</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0127/>NoMatchingWorkloadsFound</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0128/>NoServerCertificateVerificationDestinationLevel</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0129/>NoServerCertificateVerificationPortLevel</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0103/>PodMissingProxy</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0158/>PodsIstioProxyImageMismatchInNamespace</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0118/>PortNameIsNotUnderNamingConvention</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0101/>ReferencedResourceNotFound</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0106/>SchemaValidationError</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0134/>ServiceEntryAddressesRequired</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0108/>UnknownAnnotation</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0112/>VirtualServiceDestinationPortSelectorRequired</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0132/>VirtualServiceHostNotFoundInGateway</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0131/>VirtualServiceIneffectiveMatch</a></li><li role=none><a role=treeitem title href=/v1.19/docs/reference/config/analysis/ist0130/>VirtualServiceUnreachableRule</a></li></ul></li></ul></li><li role=treeitem aria-label=Commands><button class=show aria-hidden=true tabindex=-1></button><a title="Describes usage and options of the Istio commands and utilities." href=/v1.19/docs/reference/commands/>Commands</a><ul role=group aria-expanded=true class=leaf-section><li role=none><a role=treeitem title="Install and configure Istio CNI plugin on a node, detect and repair pod which is broken by race condition." href=/v1.19/docs/reference/commands/install-cni/>install-cni</a></li><li role=none><a role=treeitem title="Istio control interface." href=/v1.19/docs/reference/commands/istioctl/>istioctl</a></li><li role=none><a role=treeitem title="The Istio operator." href=/v1.19/docs/reference/commands/operator/>operator</a></li><li role=none><a role=treeitem title="Istio Pilot agent." href=/v1.19/docs/reference/commands/pilot-agent/>pilot-agent</a></li><li role=none><a role=treeitem title="Istio Pilot." href=/v1.19/docs/reference/commands/pilot-discovery/>pilot-discovery</a></li></ul></li><li role=none><a role=treeitem title="A glossary of common Istio terms." href=/v1.19/docs/reference/glossary/>Glossary</a></li></ul></li></ul></div></div></div></nav></div><div class=article-container><button id=sidebar-toggle class=main-navigation-toggle aria-label="Open sidebar"><svg class="icon hamburger-sidebar"><use 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Contents</button><article aria-labelledby=title><nav aria-label=Breadcrumb><ol><li><a href=/v1.19/docs/ title="Learn how to deploy, use, and operate Istio.">Documentation</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.19/img/icons.svg#breadcrumb-arrow"/></svg></li><li><a href=/v1.19/docs/reference/ title="Detailed authoritative reference material such as command-line options, configuration options, and API calling parameters.">Reference</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.19/img/icons.svg#breadcrumb-arrow"/></svg></li><li><a href=/v1.19/docs/reference/commands/ title="Describes usage and options of the Istio commands and utilities.">Commands</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.19/img/icons.svg#breadcrumb-arrow"/></svg></li><li>pilot-discovery</li></ol></nav><div class=title-area><div style=width:100%><h1 id=title>pilot-discovery</h1><p class=byline><span class=reading-time title="5277 words"><svg class="icon clock"><use xlink:href="/v1.19/img/icons.svg#clock"/></svg><span>&nbsp;</span>25 minute read</span>
<span>&nbsp;</span>
<span></span></p></div></div><nav class=toc-inlined aria-label="Table of Contents"><div><hr><ol><li role=none aria-label="pilot-discovery completion"><a href=#pilot-discovery-completion>completion</a><li role=none aria-label="pilot-discovery completion bash"><a href=#pilot-discovery-completion-bash>completion bash</a><li role=none aria-label="pilot-discovery completion fish"><a href=#pilot-discovery-completion-fish>completion fish</a><li role=none aria-label="pilot-discovery completion powershell"><a href=#pilot-discovery-completion-powershell>completion powershell</a><li role=none aria-label="pilot-discovery completion zsh"><a href=#pilot-discovery-completion-zsh>completion zsh</a><li role=none aria-label="pilot-discovery discovery"><a href=#pilot-discovery-discovery>discovery</a><li role=none aria-label="pilot-discovery request"><a href=#pilot-discovery-request>request</a><li role=none aria-label="pilot-discovery version"><a href=#pilot-discovery-version>version</a><li role=none aria-label="Environment variables"><a href=#envvars>Environment variables</a><li role=none aria-label="Exported metrics"><a href=#metrics>Exported metrics</a></ol><hr></div></nav><p>Istio Pilot provides mesh-wide traffic management, security and policy capabilities in the Istio Service Mesh.</p><table class=command-flags><thead><tr><th>Flags</th><th>Description</th></tr></thead><tbody><tr><td><code>--vklog &lt;Level></code></td><td>number for the log level verbosity. Like -v flag. ex: --vklog=9 (default `0`)</td></tr></tbody></table><h2 id=pilot-discovery-completion>pilot-discovery completion</h2><p>Generate the autocompletion script for pilot-discovery for the specified shell.
See each sub-command's help for details on how to use the generated script.</p><table class=command-flags><thead><tr><th>Flags</th><th>Description</th></tr></thead><tbody><tr><td><code>--vklog &lt;Level></code></td><td>number for the log level verbosity. Like -v flag. ex: --vklog=9 (default `0`)</td></tr></tbody></table><h2 id=pilot-discovery-completion-bash>pilot-discovery completion bash</h2><p>Generate the autocompletion script for the bash shell.</p><p>This script depends on the 'bash-completion' package.
If it is not installed already, you can install it via your OS's package manager.</p><p>To load completions in your current shell session:</p><p>source &lt;(pilot-discovery completion bash)</p><p>To load completions for every new session, execute once:</p><p>#### Linux:</p><p>pilot-discovery completion bash > /etc/bash_completion.d/pilot-discovery</p><p>#### macOS:</p><p>pilot-discovery completion bash > $(brew --prefix)/etc/bash_completion.d/pilot-discovery</p><p>You will need to start a new shell for this setup to take effect.</p><pre class=language-bash><code>pilot-discovery completion bash
</code></pre><table class=command-flags><thead><tr><th>Flags</th><th>Description</th></tr></thead><tbody><tr><td><code>--no-descriptions</code></td><td>disable completion descriptions</td></tr><tr><td><code>--vklog &lt;Level></code></td><td>number for the log level verbosity. Like -v flag. ex: --vklog=9 (default `0`)</td></tr></tbody></table><h2 id=pilot-discovery-completion-fish>pilot-discovery completion fish</h2><p>Generate the autocompletion script for the fish shell.</p><p>To load completions in your current shell session:</p><p>pilot-discovery completion fish | source</p><p>To load completions for every new session, execute once:</p><p>pilot-discovery completion fish > ~/.config/fish/completions/pilot-discovery.fish</p><p>You will need to start a new shell for this setup to take effect.</p><pre class=language-bash><code>pilot-discovery completion fish [flags]
</code></pre><table class=command-flags><thead><tr><th>Flags</th><th>Description</th></tr></thead><tbody><tr><td><code>--no-descriptions</code></td><td>disable completion descriptions</td></tr><tr><td><code>--vklog &lt;Level></code></td><td>number for the log level verbosity. Like -v flag. ex: --vklog=9 (default `0`)</td></tr></tbody></table><h2 id=pilot-discovery-completion-powershell>pilot-discovery completion powershell</h2><p>Generate the autocompletion script for powershell.</p><p>To load completions in your current shell session:</p><p>pilot-discovery completion powershell | Out-String | Invoke-Expression</p><p>To load completions for every new session, add the output of the above command
to your powershell profile.</p><pre class=language-bash><code>pilot-discovery completion powershell [flags]
</code></pre><table class=command-flags><thead><tr><th>Flags</th><th>Description</th></tr></thead><tbody><tr><td><code>--no-descriptions</code></td><td>disable completion descriptions</td></tr><tr><td><code>--vklog &lt;Level></code></td><td>number for the log level verbosity. Like -v flag. ex: --vklog=9 (default `0`)</td></tr></tbody></table><h2 id=pilot-discovery-completion-zsh>pilot-discovery completion zsh</h2><p>Generate the autocompletion script for the zsh shell.</p><p>If shell completion is not already enabled in your environment you will need
to enable it. You can execute the following once:</p><p>echo "autoload -U compinit; compinit" >> ~/.zshrc</p><p>To load completions in your current shell session:</p><p>source &lt;(pilot-discovery completion zsh)</p><p>To load completions for every new session, execute once:</p><p>#### Linux:</p><p>pilot-discovery completion zsh > "${fpath[1]}/_pilot-discovery"</p><p>#### macOS:</p><p>pilot-discovery completion zsh > $(brew --prefix)/share/zsh/site-functions/_pilot-discovery</p><p>You will need to start a new shell for this setup to take effect.</p><pre class=language-bash><code>pilot-discovery completion zsh [flags]
</code></pre><table class=command-flags><thead><tr><th>Flags</th><th>Description</th></tr></thead><tbody><tr><td><code>--no-descriptions</code></td><td>disable completion descriptions</td></tr><tr><td><code>--vklog &lt;Level></code></td><td>number for the log level verbosity. Like -v flag. ex: --vklog=9 (default `0`)</td></tr></tbody></table><h2 id=pilot-discovery-discovery>pilot-discovery discovery</h2><p>Start Istio proxy discovery service.</p><pre class=language-bash><code>pilot-discovery discovery [flags]
</code></pre><table class=command-flags><thead><tr><th>Flags</th><th>Shorthand</th><th>Description</th></tr></thead><tbody><tr><td><code>--caCertFile &lt;string></code></td><td></td><td>File containing the x509 Server CA Certificate (default ``)</td></tr><tr><td><code>--clusterAliases &lt;stringToString></code></td><td></td><td>Alias names for clusters (default `[]`)</td></tr><tr><td><code>--clusterID &lt;string></code></td><td></td><td>The ID of the cluster that this Istiod instance resides (default `Kubernetes`)</td></tr><tr><td><code>--clusterRegistriesNamespace &lt;string></code></td><td></td><td>Namespace for ConfigMap which stores clusters configs (default `istio-system`)</td></tr><tr><td><code>--configDir &lt;string></code></td><td></td><td>Directory to watch for updates to config yaml files. If specified, the files will be used as the source of config, rather than a CRD client. (default ``)</td></tr><tr><td><code>--ctrlz_address &lt;string></code></td><td></td><td>The IP Address to listen on for the ControlZ introspection facility. Use '*' to indicate all addresses. (default `localhost`)</td></tr><tr><td><code>--ctrlz_port &lt;uint16></code></td><td></td><td>The IP port to use for the ControlZ introspection facility (default `9876`)</td></tr><tr><td><code>--domain &lt;string></code></td><td></td><td>DNS domain suffix (default `cluster.local`)</td></tr><tr><td><code>--grpcAddr &lt;string></code></td><td></td><td>Discovery service gRPC address (default `:15010`)</td></tr><tr><td><code>--httpAddr &lt;string></code></td><td></td><td>Discovery service HTTP address (default `:8080`)</td></tr><tr><td><code>--httpsAddr &lt;string></code></td><td></td><td>Injection and validation service HTTPS address (default `:15017`)</td></tr><tr><td><code>--keepaliveInterval &lt;duration></code></td><td></td><td>The time interval if no activity on the connection it pings the peer to see if the transport is alive (default `30s`)</td></tr><tr><td><code>--keepaliveMaxServerConnectionAge &lt;duration></code></td><td></td><td>Maximum duration a connection will be kept open on the server before a graceful close. (default `2562047h47m16.854775807s`)</td></tr><tr><td><code>--keepaliveTimeout &lt;duration></code></td><td></td><td>After having pinged for keepalive check, the client/server waits for a duration of keepaliveTimeout and if no activity is seen even after that the connection is closed. (default `10s`)</td></tr><tr><td><code>--kubeconfig &lt;string></code></td><td></td><td>Use a Kubernetes configuration file instead of in-cluster configuration (default ``)</td></tr><tr><td><code>--kubernetesApiBurst &lt;int></code></td><td></td><td>Maximum burst for throttle when communicating with the kubernetes API (default `160`)</td></tr><tr><td><code>--kubernetesApiQPS &lt;float32></code></td><td></td><td>Maximum QPS when communicating with the kubernetes API (default `80`)</td></tr><tr><td><code>--log_as_json</code></td><td></td><td>Whether to format output as JSON or in plain console-friendly format</td></tr><tr><td><code>--log_caller &lt;string></code></td><td></td><td>Comma-separated list of scopes for which to include caller information, scopes can be any of [ads, adsc, all, analysis, authn, authorization, ca, controllers, default, delta, file, gateway, grpcgen, ingress status, klog, kube, model, monitor, monitoring, pkica, pkira, processing, retry, rootcertrotator, secretcontroller, security, serverca, serviceentry, spiffe, status, trustBundle, validation, validationController, validationServer, wasm, wle] (default ``)</td></tr><tr><td><code>--log_output_level &lt;string></code></td><td></td><td>Comma-separated minimum per-scope logging level of messages to output, in the form of &lt;scope>:&lt;level>,&lt;scope>:&lt;level>,... where scope can be one of [ads, adsc, all, analysis, authn, authorization, ca, controllers, default, delta, file, gateway, grpcgen, ingress status, klog, kube, model, monitor, monitoring, pkica, pkira, processing, retry, rootcertrotator, secretcontroller, security, serverca, serviceentry, spiffe, status, trustBundle, validation, validationController, validationServer, wasm, wle] and level can be one of [debug, info, warn, error, fatal, none] (default `default:info`)</td></tr><tr><td><code>--log_rotate &lt;string></code></td><td></td><td>The path for the optional rotating log file (default ``)</td></tr><tr><td><code>--log_rotate_max_age &lt;int></code></td><td></td><td>The maximum age in days of a log file beyond which the file is rotated (0 indicates no limit) (default `30`)</td></tr><tr><td><code>--log_rotate_max_backups &lt;int></code></td><td></td><td>The maximum number of log file backups to keep before older files are deleted (0 indicates no limit) (default `1000`)</td></tr><tr><td><code>--log_rotate_max_size &lt;int></code></td><td></td><td>The maximum size in megabytes of a log file beyond which the file is rotated (default `104857600`)</td></tr><tr><td><code>--log_stacktrace_level &lt;string></code></td><td></td><td>Comma-separated minimum per-scope logging level at which stack traces are captured, in the form of &lt;scope>:&lt;level>,&lt;scope:level>,... where scope can be one of [ads, adsc, all, analysis, authn, authorization, ca, controllers, default, delta, file, gateway, grpcgen, ingress status, klog, kube, model, monitor, monitoring, pkica, pkira, processing, retry, rootcertrotator, secretcontroller, security, serverca, serviceentry, spiffe, status, trustBundle, validation, validationController, validationServer, wasm, wle] and level can be one of [debug, info, warn, error, fatal, none] (default `default:none`)</td></tr><tr><td><code>--log_target &lt;stringArray></code></td><td></td><td>The set of paths where to output the log. This can be any path as well as the special values stdout and stderr (default `[stdout]`)</td></tr><tr><td><code>--meshConfig &lt;string></code></td><td></td><td>File name for Istio mesh configuration. If not specified, a default mesh will be used. (default `./etc/istio/config/mesh`)</td></tr><tr><td><code>--monitoringAddr &lt;string></code></td><td></td><td>HTTP address to use for pilot's self-monitoring information (default `:15014`)</td></tr><tr><td><code>--namespace &lt;string></code></td><td><code>-n</code></td><td>Select a namespace where the controller resides. If not set, uses ${POD_NAMESPACE} environment variable (default `istio-system`)</td></tr><tr><td><code>--networksConfig &lt;string></code></td><td></td><td>File name for Istio mesh networks configuration. If not specified, a default mesh networks will be used. (default `./etc/istio/config/meshNetworks`)</td></tr><tr><td><code>--profile</code></td><td></td><td>Enable profiling via web interface host:port/debug/pprof</td></tr><tr><td><code>--registries &lt;stringSlice></code></td><td></td><td>Comma separated list of platform service registries to read from (choose one or more from {Kubernetes, Mock}) (default `[Kubernetes]`)</td></tr><tr><td><code>--secureGRPCAddr &lt;string></code></td><td></td><td>Discovery service secured gRPC address (default `:15012`)</td></tr><tr><td><code>--shutdownDuration &lt;duration></code></td><td></td><td>Duration the discovery server needs to terminate gracefully (default `10s`)</td></tr><tr><td><code>--tls-cipher-suites &lt;stringSlice></code></td><td></td><td>Comma-separated list of cipher suites for istiod TLS server. If omitted, the default Go cipher suites will be used.
Preferred values: TLS_AES_128_GCM_SHA256, TLS_AES_256_GCM_SHA384, TLS_CHACHA20_POLY1305_SHA256, TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_RSA_WITH_AES_128_GCM_SHA256, TLS_RSA_WITH_AES_256_CBC_SHA, TLS_RSA_WITH_AES_256_GCM_SHA384.
Insecure values: TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, TLS_ECDHE_ECDSA_WITH_RC4_128_SHA, TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, TLS_ECDHE_RSA_WITH_RC4_128_SHA, TLS_RSA_WITH_3DES_EDE_CBC_SHA, TLS_RSA_WITH_AES_128_CBC_SHA256, TLS_RSA_WITH_RC4_128_SHA. (default `[]`)</td></tr><tr><td><code>--tlsCertFile &lt;string></code></td><td></td><td>File containing the x509 Server Certificate (default ``)</td></tr><tr><td><code>--tlsKeyFile &lt;string></code></td><td></td><td>File containing the x509 private key matching --tlsCertFile (default ``)</td></tr><tr><td><code>--vklog &lt;Level></code></td><td></td><td>number for the log level verbosity. Like -v flag. ex: --vklog=9 (default `0`)</td></tr></tbody></table><h2 id=pilot-discovery-request>pilot-discovery request</h2><p>Makes an HTTP request to Pilot metrics/debug endpoint</p><pre class=language-bash><code>pilot-discovery request &lt;method&gt; &lt;path&gt; [&lt;body&gt;] [flags]
</code></pre><table class=command-flags><thead><tr><th>Flags</th><th>Description</th></tr></thead><tbody><tr><td><code>--vklog &lt;Level></code></td><td>number for the log level verbosity. Like -v flag. ex: --vklog=9 (default `0`)</td></tr></tbody></table><h2 id=pilot-discovery-version>pilot-discovery version</h2><p>Prints out build version information</p><pre class=language-bash><code>pilot-discovery version [flags]
</code></pre><table class=command-flags><thead><tr><th>Flags</th><th>Shorthand</th><th>Description</th></tr></thead><tbody><tr><td><code>--output &lt;string></code></td><td><code>-o</code></td><td>One of 'yaml' or 'json'. (default ``)</td></tr><tr><td><code>--short</code></td><td><code>-s</code></td><td>Use --short=false to generate full version information</td></tr><tr><td><code>--vklog &lt;Level></code></td><td></td><td>number for the log level verbosity. Like -v flag. ex: --vklog=9 (default `0`)</td></tr></tbody></table><h2 id=envvars>Environment variables</h2>These environment variables affect the behavior of the <code>pilot-discovery</code> command. Please use with caution as these environment variables are experimental and can change anytime.<table class=envvars><thead><tr><th>Variable Name</th><th>Type</th><th>Default Value</th><th>Description</th></tr></thead><tbody><tr><td><code>AUDIENCE</code></td><td>String</td><td><code></code></td><td>Expected audience in the tokens.</td></tr><tr><td><code>CA_TRUSTED_NODE_ACCOUNTS</code></td><td>String</td><td><code></code></td><td>If set, the list of service accounts that are allowed to use node authentication for CSRs. Node authentication allows an identity to create CSRs on behalf of other identities, but only if there is a pod running on the same node with that identity. This is intended for use with node proxies.</td></tr><tr><td><code>CERT_SIGNER_DOMAIN</code></td><td>String</td><td><code></code></td><td>The cert signer domain info</td></tr><tr><td><code>CITADEL_ENABLE_JITTER_FOR_ROOT_CERT_ROTATOR</code></td><td>Boolean</td><td><code>true</code></td><td>If true, set up a jitter to start root cert rotator. Jitter selects a backoff time in seconds to start root cert rotator, and the back off time is below root cert check interval.</td></tr><tr><td><code>CITADEL_SELF_SIGNED_CA_CERT_TTL</code></td><td>Time Duration</td><td><code>87600h0m0s</code></td><td>The TTL of self-signed CA root certificate.</td></tr><tr><td><code>CITADEL_SELF_SIGNED_CA_RSA_KEY_SIZE</code></td><td>Integer</td><td><code>2048</code></td><td>Specify the RSA key size to use for self-signed Istio CA certificates.</td></tr><tr><td><code>CITADEL_SELF_SIGNED_ROOT_CERT_CHECK_INTERVAL</code></td><td>Time Duration</td><td><code>1h0m0s</code></td><td>The interval that self-signed CA checks its root certificate expiration time and rotates root certificate. Setting this interval to zero or a negative value disables automated root cert check and rotation. This interval is suggested to be larger than 10 minutes.</td></tr><tr><td><code>CITADEL_SELF_SIGNED_ROOT_CERT_GRACE_PERIOD_PERCENTILE</code></td><td>Integer</td><td><code>20</code></td><td>Grace period percentile for self-signed root cert.</td></tr><tr><td><code>CLOUD_PLATFORM</code></td><td>String</td><td><code></code></td><td>Cloud Platform on which proxy is running, if not specified, Istio will try to discover the platform. Valid platform values are aws, azure, gcp, none</td></tr><tr><td><code>CLUSTER_ID</code></td><td>String</td><td><code>Kubernetes</code></td><td>Defines the cluster and service registry that this Istiod instance belongs to</td></tr><tr><td><code>DEFAULT_WORKLOAD_CERT_TTL</code></td><td>Time Duration</td><td><code>24h0m0s</code></td><td>The default TTL of issued workload certificates. Applied when the client sets a non-positive TTL in the CSR.</td></tr><tr><td><code>ENABLE_AUTO_SNI</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, automatically set SNI when `DestinationRules` do not specify the same</td></tr><tr><td><code>ENABLE_CA_SERVER</code></td><td>Boolean</td><td><code>true</code></td><td>If this is set to false, will not create CA server in istiod.</td></tr><tr><td><code>ENABLE_DEBUG_ON_HTTP</code></td><td>Boolean</td><td><code>true</code></td><td>If this is set to false, the debug interface will not be enabled, recommended for production</td></tr><tr><td><code>ENABLE_ENHANCED_RESOURCE_SCOPING</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, meshConfig.discoverySelectors will limit the CustomResource configurations(like Gateway,VirtualService,DestinationRule,Ingress, etc)that can be processed by pilot. This will also restrict the root-ca certificate distribution.</td></tr><tr><td><code>ENABLE_HCM_INTERNAL_NETWORKS</code></td><td>Boolean</td><td><code>false</code></td><td>If enable, endpoints defined in mesh networks will be configured as internal addresses in Http Connection Manager</td></tr><tr><td><code>ENABLE_LEADER_ELECTION</code></td><td>Boolean</td><td><code>true</code></td><td>If enabled (default), starts a leader election client and gains leadership before executing controllers. If false, it assumes that only one instance of istiod is running and skips leader election.</td></tr><tr><td><code>ENABLE_MCS_AUTO_EXPORT</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, istiod will automatically generate Kubernetes Multi-Cluster Services (MCS) ServiceExport resources for every service in the mesh. Services defined to be cluster-local in MeshConfig are excluded.</td></tr><tr><td><code>ENABLE_MCS_CLUSTER_LOCAL</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, istiod will treat the host `&lt;svc>.&lt;namespace>.svc.cluster.local` as defined by the Kubernetes Multi-Cluster Services (MCS) spec. In this mode, requests to `cluster.local` will be routed to only those endpoints residing within the same cluster as the client. Requires that both ENABLE_MCS_SERVICE_DISCOVERY and ENABLE_MCS_HOST also be enabled.</td></tr><tr><td><code>ENABLE_MCS_HOST</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, istiod will configure a Kubernetes Multi-Cluster Services (MCS) host (&lt;svc>.&lt;namespace>.svc.clusterset.local) for each service exported (via ServiceExport) in at least one cluster. Clients must, however, be able to successfully lookup these DNS hosts. That means that either Istio DNS interception must be enabled or an MCS controller must be used. Requires that ENABLE_MCS_SERVICE_DISCOVERY also be enabled.</td></tr><tr><td><code>ENABLE_MCS_SERVICE_DISCOVERY</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, istiod will enable Kubernetes Multi-Cluster Services (MCS) service discovery mode. In this mode, service endpoints in a cluster will only be discoverable within the same cluster unless explicitly exported via ServiceExport.</td></tr><tr><td><code>ENABLE_MULTICLUSTER_HEADLESS</code></td><td>Boolean</td><td><code>true</code></td><td>If true, the DNS name table for a headless service will resolve to same-network endpoints in any cluster.</td></tr><tr><td><code>ENABLE_NATIVE_SIDECARS</code></td><td>Boolean</td><td><code>false</code></td><td>If set, used Kubernetes native Sidecar container support. Requires SidecarContainer feature flag.</td></tr><tr><td><code>ENABLE_OPTIMIZED_CONFIG_REBUILD</code></td><td>Boolean</td><td><code>true</code></td><td>If enabled, pilot will only rebuild config for resources that have changed</td></tr><tr><td><code>ENABLE_OTEL_BUILTIN_RESOURCE_LABELS</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, envoy will send builtin lables(e.g. node_name) via OTel sink.</td></tr><tr><td><code>ENABLE_PROBE_KEEPALIVE_CONNECTIONS</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, readiness probes will keep the connection from pilot-agent to the application alive. This mirrors older Istio versions' behaviors, but not kubelet's.</td></tr><tr><td><code>ENABLE_TLS_ON_SIDECAR_INGRESS</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, the TLS configuration on Sidecar.ingress will take effect</td></tr><tr><td><code>EXTERNAL_CA</code></td><td>String</td><td><code></code></td><td>External CA Integration Type. Permitted Values are ISTIOD_RA_KUBERNETES_API or ISTIOD_RA_ISTIO_API</td></tr><tr><td><code>EXTERNAL_ISTIOD</code></td><td>Boolean</td><td><code>false</code></td><td>If this is set to true, one Istiod will control remote clusters including CA.</td></tr><tr><td><code>GCP_METADATA</code></td><td>String</td><td><code></code></td><td>Pipe separated GCP metadata, schemed as PROJECT_ID|PROJECT_NUMBER|CLUSTER_NAME|CLUSTER_ZONE</td></tr><tr><td><code>GCP_QUOTA_PROJECT</code></td><td>String</td><td><code></code></td><td>Allows specification of a quota project to be used in requests to GCP APIs.</td></tr><tr><td><code>GRPC_KEEPALIVE_INTERVAL</code></td><td>Time Duration</td><td><code>30s</code></td><td>gRPC Keepalive Interval</td></tr><tr><td><code>GRPC_KEEPALIVE_TIMEOUT</code></td><td>Time Duration</td><td><code>10s</code></td><td>gRPC Keepalive Timeout</td></tr><tr><td><code>HTTP_STRIP_FRAGMENT_FROM_PATH_UNSAFE_IF_DISABLED</code></td><td>Boolean</td><td><code>true</code></td><td></td></tr><tr><td><code>INJECTION_WEBHOOK_CONFIG_NAME</code></td><td>String</td><td><code>istio-sidecar-injector</code></td><td>Name of the mutatingwebhookconfiguration to patch, if istioctl is not used.</td></tr><tr><td><code>INJECT_ENABLED</code></td><td>Boolean</td><td><code>true</code></td><td>Enable mutating webhook handler.</td></tr><tr><td><code>ISTIOD_CUSTOM_HOST</code></td><td>String</td><td><code></code></td><td>Custom host name of istiod that istiod signs the server cert. Multiple custom host names are supported, and multiple values are separated by commas.</td></tr><tr><td><code>ISTIO_AGENT_ENABLE_WASM_REMOTE_LOAD_CONVERSION</code></td><td>Boolean</td><td><code>true</code></td><td>If enabled, Istio agent will intercept ECDS resource update, downloads Wasm module, and replaces Wasm module remote load with downloaded local module file.</td></tr><tr><td><code>ISTIO_BOOTSTRAP</code></td><td>String</td><td><code></code></td><td></td></tr><tr><td><code>ISTIO_DELTA_XDS</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, pilot will only send the delta configs as opposed to the state of the world on a Resource Request. This feature uses the delta xds api, but does not currently send the actual deltas.</td></tr><tr><td><code>ISTIO_DUAL_STACK</code></td><td>Boolean</td><td><code>false</code></td><td>If true, Istio will enable the Dual Stack feature.</td></tr><tr><td><code>ISTIO_ENABLE_CONTROLLER_QUEUE_METRICS</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, publishes metrics for queue depth, latency and processing times.</td></tr><tr><td><code>ISTIO_ENABLE_HTTP2_PROBING</code></td><td>Boolean</td><td><code>true</code></td><td>If enabled, HTTP2 probes will be enabled for HTTPS probes, following Kubernetes</td></tr><tr><td><code>ISTIO_ENABLE_IPV4_OUTBOUND_LISTENER_FOR_IPV6_CLUSTERS</code></td><td>Boolean</td><td><code>false</code></td><td>If true, pilot will configure an additional IPv4 listener for outbound traffic in IPv6 only clusters, e.g. AWS EKS IPv6 only clusters.</td></tr><tr><td><code>ISTIO_ENABLE_OPTIMIZED_SERVICE_PUSH</code></td><td>Boolean</td><td><code>true</code></td><td>If enabled, Istiod will not push changes on arbitrary annotation change.</td></tr><tr><td><code>ISTIO_GPRC_MAXRECVMSGSIZE</code></td><td>Integer</td><td><code>4194304</code></td><td>Sets the max receive buffer size of gRPC stream in bytes.</td></tr><tr><td><code>ISTIO_GPRC_MAXSTREAMS</code></td><td>Integer</td><td><code>100000</code></td><td>Sets the maximum number of concurrent grpc streams.</td></tr><tr><td><code>ISTIO_KUBE_CLIENT_CONTENT_TYPE</code></td><td>String</td><td><code>protobuf</code></td><td>The content type to use for Kubernetes clients. Defaults to protobuf. Valid options: [protobuf, json]</td></tr><tr><td><code>ISTIO_MULTIROOT_MESH</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, mesh will support certificates signed by more than one trustAnchor for ISTIO_MUTUAL mTLS</td></tr><tr><td><code>ISTIO_PROMETHEUS_ANNOTATIONS</code></td><td>String</td><td><code></code></td><td></td></tr><tr><td><code>ISTIO_WATCH_NAMESPACE</code></td><td>String</td><td><code></code></td><td>If set, limit Kubernetes watches to a single namespace. Warning: only a single namespace can be set.</td></tr><tr><td><code>ISTIO_WORKLOAD_ENTRY_VALIDATE_IDENTITY</code></td><td>Boolean</td><td><code>true</code></td><td>If enabled, will validate the identity of a workload matches the identity of the WorkloadEntry it is associating with for health checks and auto registration. This flag is added for backwards compatibility only and will be removed in future releases</td></tr><tr><td><code>JWKS_RESOLVER_INSECURE_SKIP_VERIFY</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, istiod will skip verifying the certificate of the JWKS server.</td></tr><tr><td><code>JWT_POLICY</code></td><td>String</td><td><code>third-party-jwt</code></td><td>The JWT validation policy.</td></tr><tr><td><code>JWT_RULE</code></td><td>String</td><td><code></code></td><td>The JWT rule used by istiod authentication</td></tr><tr><td><code>K8S_INGRESS_NS</code></td><td>String</td><td><code>istio-system</code></td><td></td></tr><tr><td><code>K8S_SIGNER</code></td><td>String</td><td><code></code></td><td>Kubernates CA Signer type. Valid from Kubernates 1.18</td></tr><tr><td><code>KUBERNETES_SERVICE_HOST</code></td><td>String</td><td><code></code></td><td>Kubernetes service host, set automatically when running in-cluster</td></tr><tr><td><code>K_REVISION</code></td><td>String</td><td><code></code></td><td>KNative revision, set if running in knative</td></tr><tr><td><code>LABEL_CANONICAL_SERVICES_FOR_MESH_EXTERNAL_SERVICE_ENTRIES</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, metadata representing canonical services for ServiceEntry resources with a location of mesh_external will be populatedin the cluster metadata for those endpoints.</td></tr><tr><td><code>LOCAL_CLUSTER_SECRET_WATCHER</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, the cluster secret watcher will watch the namespace of the external cluster instead of config cluster</td></tr><tr><td><code>MAX_WORKLOAD_CERT_TTL</code></td><td>Time Duration</td><td><code>2160h0m0s</code></td><td>The max TTL of issued workload certificates.</td></tr><tr><td><code>MCS_API_GROUP</code></td><td>String</td><td><code>multicluster.x-k8s.io</code></td><td>The group to be used for the Kubernetes Multi-Cluster Services (MCS) API.</td></tr><tr><td><code>MCS_API_VERSION</code></td><td>String</td><td><code>v1alpha1</code></td><td>The version to be used for the Kubernets Multi-Cluster Services (MCS) API.</td></tr><tr><td><code>METRIC_GRACEFUL_DELETION_INTERVAL</code></td><td>Time Duration</td><td><code>5m0s</code></td><td>Metric expiry graceful deletion interval. No-op if METRIC_ROTATION_INTERVAL is disabled.</td></tr><tr><td><code>METRIC_ROTATION_INTERVAL</code></td><td>Time Duration</td><td><code>0s</code></td><td>Metric scope rotation interval, set to 0 to disable the metric scope rotation</td></tr><tr><td><code>MUTEX_PROFILE_FRACTION</code></td><td>Integer</td><td><code>1000</code></td><td>If set to a non-zero value, enables mutex profiling a rate of 1/MUTEX_PROFILE_FRACTION events. For example, '1000' will record 0.1% of events. Set to 0 to disable entirely.</td></tr><tr><td><code>NATIVE_METADATA_EXCHANGE</code></td><td>Boolean</td><td><code>true</code></td><td>If set, uses a native implementation of the HTTP metadata exchange filter</td></tr><tr><td><code>PILOT_ALLOW_SIDECAR_SERVICE_INBOUND_LISTENER_MERGE</code></td><td>Boolean</td><td><code>false</code></td><td>If set, it allows creating inbound listeners for service ports and sidecar ingress listeners</td></tr><tr><td><code>PILOT_ANALYSIS_INTERVAL</code></td><td>Time Duration</td><td><code>10s</code></td><td>If analysis is enabled, pilot will run istio analyzers using this value as interval in seconds Istio Resources</td></tr><tr><td><code>PILOT_CERT_PROVIDER</code></td><td>String</td><td><code>istiod</code></td><td>The provider of Pilot DNS certificate.</td></tr><tr><td><code>PILOT_DEBOUNCE_AFTER</code></td><td>Time Duration</td><td><code>100ms</code></td><td>The delay added to config/registry events for debouncing. This will delay the push by at least this interval. If no change is detected within this period, the push will happen, otherwise we'll keep delaying until things settle, up to a max of PILOT_DEBOUNCE_MAX.</td></tr><tr><td><code>PILOT_DEBOUNCE_MAX</code></td><td>Time Duration</td><td><code>10s</code></td><td>The maximum amount of time to wait for events while debouncing. If events keep showing up with no breaks for this time, we'll trigger a push.</td></tr><tr><td><code>PILOT_DISTRIBUTION_HISTORY_RETENTION</code></td><td>Time Duration</td><td><code>1m0s</code></td><td>If enabled, Pilot will keep track of old versions of distributed config for this duration.</td></tr><tr><td><code>PILOT_DRAINING_LABEL</code></td><td>String</td><td><code>istio.io/draining</code></td><td>If not empty, endpoints with the label value present will be sent with status DRAINING.</td></tr><tr><td><code>PILOT_ENABLE_ALPHA_GATEWAY_API</code></td><td>Boolean</td><td><code>false</code></td><td>If this is set to true, support for alpha APIs in the Kubernetes gateway-api (github.com/kubernetes-sigs/gateway-api) will be enabled. In addition to this being enabled, the gateway-api CRDs need to be installed.</td></tr><tr><td><code>PILOT_ENABLE_ALPN_FILTER</code></td><td>Boolean</td><td><code>true</code></td><td>If true, pilot will add Istio ALPN filters, required for proper protocol sniffing.</td></tr><tr><td><code>PILOT_ENABLE_AMBIENT_CONTROLLERS</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, controllers required for ambient will run. This is required to run ambient mesh.</td></tr><tr><td><code>PILOT_ENABLE_ANALYSIS</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, pilot will run istio analyzers and write analysis errors to the Status field of any Istio Resources</td></tr><tr><td><code>PILOT_ENABLE_CDS_CACHE</code></td><td>Boolean</td><td><code>true</code></td><td>If true, Pilot will cache CDS responses. Note: this depends on PILOT_ENABLE_XDS_CACHE.</td></tr><tr><td><code>PILOT_ENABLE_CONFIG_DISTRIBUTION_TRACKING</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, Pilot will assign meaningful nonces to each Envoy configuration message, and allow users to interrogate which envoy has which config from the debug interface.</td></tr><tr><td><code>PILOT_ENABLE_CROSS_CLUSTER_WORKLOAD_ENTRY</code></td><td>Boolean</td><td><code>true</code></td><td>If enabled, pilot will read WorkloadEntry from other clusters, selectable by Services in that cluster.</td></tr><tr><td><code>PILOT_ENABLE_DESTINATION_RULE_INHERITANCE</code></td><td>Boolean</td><td><code>false</code></td><td>If set, workload specific DestinationRules will inherit configurations settings from mesh and namespace level rules</td></tr><tr><td><code>PILOT_ENABLE_EDS_DEBOUNCE</code></td><td>Boolean</td><td><code>true</code></td><td>If enabled, Pilot will include EDS pushes in the push debouncing, configured by PILOT_DEBOUNCE_AFTER and PILOT_DEBOUNCE_MAX. EDS pushes may be delayed, but there will be fewer pushes. By default this is enabled</td></tr><tr><td><code>PILOT_ENABLE_EDS_FOR_HEADLESS_SERVICES</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, for headless service in Kubernetes, pilot will send endpoints over EDS, allowing the sidecar to load balance among pods in the headless service. This feature should be enabled if applications access all services explicitly via a HTTP proxy port in the sidecar.</td></tr><tr><td><code>PILOT_ENABLE_GATEWAY_API</code></td><td>Boolean</td><td><code>true</code></td><td>If this is set to true, support for Kubernetes gateway-api (github.com/kubernetes-sigs/gateway-api) will be enabled. In addition to this being enabled, the gateway-api CRDs need to be installed.</td></tr><tr><td><code>PILOT_ENABLE_GATEWAY_API_DEPLOYMENT_CONTROLLER</code></td><td>Boolean</td><td><code>true</code></td><td>If this is set to true, gateway-api resources will automatically provision in cluster deployment, services, etc</td></tr><tr><td><code>PILOT_ENABLE_GATEWAY_API_STATUS</code></td><td>Boolean</td><td><code>true</code></td><td>If this is set to true, gateway-api resources will have status written to them</td></tr><tr><td><code>PILOT_ENABLE_HBONE</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, HBONE support can be configured for proxies. Note: proxies must opt in on a per-proxy basis with ENABLE_HBONE to actually get HBONE config, in addition to this flag.</td></tr><tr><td><code>PILOT_ENABLE_HEADLESS_SERVICE_POD_LISTENERS</code></td><td>Boolean</td><td><code>true</code></td><td>If enabled, for a headless service/stateful set in Kubernetes, pilot will generate an outbound listener for each pod in a headless service. This feature should be disabled if headless services have a large number of pods.</td></tr><tr><td><code>PILOT_ENABLE_INBOUND_PASSTHROUGH</code></td><td>Boolean</td><td><code>true</code></td><td>If enabled, inbound clusters will be configured as ORIGINAL_DST clusters. When disabled, requests are always sent to localhost. The primary implication of this is that when enabled, binding to POD_IP will work while localhost will not; when disable, bind to POD_IP will not work, while localhost will. The enabled behavior matches the behavior without Istio enabled at all; this flag exists only for backwards compatibility. Regardless of this setting, the configuration can be overridden with the Sidecar.Ingress.DefaultEndpoint configuration.</td></tr><tr><td><code>PILOT_ENABLE_K8S_SELECT_WORKLOAD_ENTRIES</code></td><td>Boolean</td><td><code>true</code></td><td>If enabled, Kubernetes services with selectors will select workload entries with matching labels. It is safe to disable it if you are quite sure you don't need this feature</td></tr><tr><td><code>PILOT_ENABLE_METADATA_EXCHANGE</code></td><td>Boolean</td><td><code>true</code></td><td>If true, pilot will add metadata exchange filters, which will be consumed by telemetry filter.</td></tr><tr><td><code>PILOT_ENABLE_MONGO_FILTER</code></td><td>Boolean</td><td><code>true</code></td><td>EnableMongoFilter enables injection of `envoy.filters.network.mongo_proxy` in the filter chain.</td></tr><tr><td><code>PILOT_ENABLE_MYSQL_FILTER</code></td><td>Boolean</td><td><code>false</code></td><td>EnableMysqlFilter enables injection of `envoy.filters.network.mysql_proxy` in the filter chain.</td></tr><tr><td><code>PILOT_ENABLE_PERSISTENT_SESSION_FILTER</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, Istiod sets up persistent session filter for listeners, if services have 'PILOT_PERSISTENT_SESSION_LABEL' set.</td></tr><tr><td><code>PILOT_ENABLE_QUIC_LISTENERS</code></td><td>Boolean</td><td><code>false</code></td><td>If true, QUIC listeners will be generated wherever there are listeners terminating TLS on gateways if the gateway service exposes a UDP port with the same number (for example 443/TCP and 443/UDP)</td></tr><tr><td><code>PILOT_ENABLE_RDS_CACHE</code></td><td>Boolean</td><td><code>true</code></td><td>If true, Pilot will cache RDS responses. Note: this depends on PILOT_ENABLE_XDS_CACHE.</td></tr><tr><td><code>PILOT_ENABLE_REDIS_FILTER</code></td><td>Boolean</td><td><code>false</code></td><td>EnableRedisFilter enables injection of `envoy.filters.network.redis_proxy` in the filter chain.</td></tr><tr><td><code>PILOT_ENABLE_ROUTE_COLLAPSE_OPTIMIZATION</code></td><td>Boolean</td><td><code>true</code></td><td>If true, Pilot will merge virtual hosts with the same routes into a single virtual host, as an optimization.</td></tr><tr><td><code>PILOT_ENABLE_SERVICEENTRY_SELECT_PODS</code></td><td>Boolean</td><td><code>true</code></td><td>If enabled, service entries with selectors will select pods from the cluster. It is safe to disable it if you are quite sure you don't need this feature</td></tr><tr><td><code>PILOT_ENABLE_STATUS</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, pilot will update the CRD Status field of all istio resources with reconciliation status.</td></tr><tr><td><code>PILOT_ENABLE_TELEMETRY_LABEL</code></td><td>Boolean</td><td><code>true</code></td><td>If true, pilot will add telemetry related metadata to cluster and endpoint resources, which will be consumed by telemetry filter.</td></tr><tr><td><code>PILOT_ENABLE_WORKLOAD_ENTRY_AUTOREGISTRATION</code></td><td>Boolean</td><td><code>true</code></td><td>Enables auto-registering WorkloadEntries based on associated WorkloadGroups upon XDS connection by the workload.</td></tr><tr><td><code>PILOT_ENABLE_WORKLOAD_ENTRY_HEALTHCHECKS</code></td><td>Boolean</td><td><code>true</code></td><td>Enables automatic health checks of WorkloadEntries based on the config provided in the associated WorkloadGroup</td></tr><tr><td><code>PILOT_ENABLE_XDS_CACHE</code></td><td>Boolean</td><td><code>true</code></td><td>If true, Pilot will cache XDS responses.</td></tr><tr><td><code>PILOT_ENABLE_XDS_IDENTITY_CHECK</code></td><td>Boolean</td><td><code>true</code></td><td>If enabled, pilot will authorize XDS clients, to ensure they are acting only as namespaces they have permissions for.</td></tr><tr><td><code>PILOT_ENDPOINT_TELEMETRY_LABEL</code></td><td>Boolean</td><td><code>true</code></td><td>If true, pilot will add telemetry related metadata to Endpoint resource, which will be consumed by telemetry filter.</td></tr><tr><td><code>PILOT_ENVOY_FILTER_STATS</code></td><td>Boolean</td><td><code>false</code></td><td>If true, Pilot will collect metrics for envoy filter operations.</td></tr><tr><td><code>PILOT_FILTER_GATEWAY_CLUSTER_CONFIG</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, Pilot will send only clusters that referenced in gateway virtual services attached to gateway</td></tr><tr><td><code>PILOT_HTTP10</code></td><td>Boolean</td><td><code>false</code></td><td>Enables the use of HTTP 1.0 in the outbound HTTP listeners, to support legacy applications.</td></tr><tr><td><code>PILOT_INSECURE_MULTICLUSTER_KUBECONFIG_OPTIONS</code></td><td>String</td><td><code></code></td><td>Comma separated list of potentially insecure kubeconfig authentication options that are allowed for multicluster authentication.Support values: all authProviders (`gcp`, `azure`, `exec`, `openstack`), `clientKey`, `clientCertificate`, `tokenFile`, and `exec`.</td></tr><tr><td><code>PILOT_JWT_ENABLE_REMOTE_JWKS</code></td><td>String</td><td><code>false</code></td><td>Mode of fetching JWKs from JwksUri in RequestAuthentication. Supported value: istiod, false, hybrid, true, envoy. The client fetching JWKs is as following: istiod/false - Istiod; hybrid/true - Envoy and fallback to Istiod if JWKs server is external; envoy - Envoy.</td></tr><tr><td><code>PILOT_JWT_PUB_KEY_REFRESH_INTERVAL</code></td><td>Time Duration</td><td><code>20m0s</code></td><td>The interval for istiod to fetch the jwks_uri for the jwks public key.</td></tr><tr><td><code>PILOT_MAX_REQUESTS_PER_SECOND</code></td><td>Floating-Point</td><td><code>25</code></td><td>Limits the number of incoming XDS requests per second. On larger machines this can be increased to handle more proxies concurrently.</td></tr><tr><td><code>PILOT_MULTI_NETWORK_DISCOVER_GATEWAY_API</code></td><td>Boolean</td><td><code>false</code></td><td>If true, Pilot will discover labeled Kubernetes gateway objects as multi-network gateways.</td></tr><tr><td><code>PILOT_PERSISTENT_SESSION_HEADER_LABEL</code></td><td>String</td><td><code>istio.io/persistent-session-header</code></td><td>If not empty, services with this label will use header based persistent sessions</td></tr><tr><td><code>PILOT_PERSISTENT_SESSION_LABEL</code></td><td>String</td><td><code>istio.io/persistent-session</code></td><td>If not empty, services with this label will use cookie based persistent sessions</td></tr><tr><td><code>PILOT_PUSH_THROTTLE</code></td><td>Integer</td><td><code>100</code></td><td>Limits the number of concurrent pushes allowed. On larger machines this can be increased for faster pushes</td></tr><tr><td><code>PILOT_REMOTE_CLUSTER_TIMEOUT</code></td><td>Time Duration</td><td><code>30s</code></td><td>After this timeout expires, pilot can become ready without syncing data from clusters added via remote-secrets. Setting the timeout to 0 disables this behavior.</td></tr><tr><td><code>PILOT_SCOPE_GATEWAY_TO_NAMESPACE</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, a gateway workload can only select gateway resources in the same namespace. Gateways with same selectors in different namespaces will not be applicable.</td></tr><tr><td><code>PILOT_SEND_UNHEALTHY_ENDPOINTS</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, Pilot will include unhealthy endpoints in EDS pushes and even if they are sent Envoy does not use them for load balancing. To avoid, sending traffic to non ready endpoints, enabling this flag, disables panic threshold in Envoy i.e. Envoy does not load balance requests to unhealthy/non-ready hosts even if the percentage of healthy hosts fall below minimum health percentage(panic threshold).</td></tr><tr><td><code>PILOT_SIDECAR_USE_REMOTE_ADDRESS</code></td><td>Boolean</td><td><code>false</code></td><td>UseRemoteAddress sets useRemoteAddress to true for sidecar outbound listeners.</td></tr><tr><td><code>PILOT_SKIP_VALIDATE_TRUST_DOMAIN</code></td><td>Boolean</td><td><code>false</code></td><td>Skip validating the peer is from the same trust domain when mTLS is enabled in authentication policy</td></tr><tr><td><code>PILOT_STATUS_BURST</code></td><td>Integer</td><td><code>500</code></td><td>If status is enabled, controls the Burst rate with which status will be updated. See https://godoc.org/k8s.io/client-go/rest#Config Burst</td></tr><tr><td><code>PILOT_STATUS_MAX_WORKERS</code></td><td>Integer</td><td><code>100</code></td><td>The maximum number of workers Pilot will use to keep configuration status up to date. Smaller numbers will result in higher status latency, but larger numbers may impact CPU in high scale environments.</td></tr><tr><td><code>PILOT_STATUS_QPS</code></td><td>Integer</td><td><code>100</code></td><td>If status is enabled, controls the QPS with which status will be updated. See https://godoc.org/k8s.io/client-go/rest#Config QPS</td></tr><tr><td><code>PILOT_STATUS_UPDATE_INTERVAL</code></td><td>Time Duration</td><td><code>500ms</code></td><td>Interval to update the XDS distribution status.</td></tr><tr><td><code>PILOT_TRACE_SAMPLING</code></td><td>Floating-Point</td><td><code>1</code></td><td>Sets the mesh-wide trace sampling percentage. Should be 0.0 - 100.0. Precision to 0.01. Default is 1.0.</td></tr><tr><td><code>PILOT_WORKLOAD_ENTRY_GRACE_PERIOD</code></td><td>Time Duration</td><td><code>10s</code></td><td>The amount of time an auto-registered workload can remain disconnected from all Pilot instances before the associated WorkloadEntry is cleaned up.</td></tr><tr><td><code>PILOT_XDS_CACHE_INDEX_CLEAR_INTERVAL</code></td><td>Time Duration</td><td><code>5s</code></td><td>The interval for xds cache index clearing.</td></tr><tr><td><code>PILOT_XDS_CACHE_SIZE</code></td><td>Integer</td><td><code>60000</code></td><td>The maximum number of cache entries for the XDS cache.</td></tr><tr><td><code>PILOT_XDS_CACHE_STATS</code></td><td>Boolean</td><td><code>false</code></td><td>If true, Pilot will collect metrics for XDS cache efficiency.</td></tr><tr><td><code>PILOT_XDS_SEND_TIMEOUT</code></td><td>Time Duration</td><td><code>0s</code></td><td>The timeout to send the XDS configuration to proxies. After this timeout is reached, Pilot will discard that push.</td></tr><tr><td><code>POD_NAME</code></td><td>String</td><td><code></code></td><td></td></tr><tr><td><code>POD_NAMESPACE</code></td><td>String</td><td><code>istio-system</code></td><td></td></tr><tr><td><code>REQUIRE_3P_TOKEN</code></td><td>Boolean</td><td><code>false</code></td><td>Reject k8s default tokens, without audience. If false, default K8S token will be accepted</td></tr><tr><td><code>RESOLVE_HOSTNAME_GATEWAYS</code></td><td>Boolean</td><td><code>true</code></td><td>If true, hostnames in the LoadBalancer addresses of a Service will be resolved at the control plane for use in cross-network gateways.</td></tr><tr><td><code>REVISION</code></td><td>String</td><td><code></code></td><td></td></tr><tr><td><code>REWRITE_PROBE_LEGACY_LOCALHOST_DESTINATION</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, readiness probes will be sent to 'localhost'. Otherwise, they will be sent to the Pod's IP, matching Kubernetes' behavior.</td></tr><tr><td><code>ROOT_CA_DIR</code></td><td>String</td><td><code>./etc/cacerts</code></td><td>Location of a local or mounted CA root</td></tr><tr><td><code>SHARED_MESH_CONFIG</code></td><td>String</td><td><code></code></td><td>Additional config map to load for shared MeshConfig settings. The standard mesh config will take precedence.</td></tr><tr><td><code>TOKEN_AUDIENCES</code></td><td>String</td><td><code>istio-ca</code></td><td>A list of comma separated audiences to check in the JWT token before issuing a certificate. The token is accepted if it matches with one of the audiences</td></tr><tr><td><code>TOKEN_ISSUER</code></td><td>String</td><td><code></code></td><td>OIDC token issuer. If set, will be used to check the tokens.</td></tr><tr><td><code>TRUSTED_GATEWAY_CIDR</code></td><td>String</td><td><code></code></td><td>If set, any connections from gateway to Istiod with this CIDR range are treated as trusted for using authentication mechanisms like XFCC. This can only be used when the network where Istiod and the authenticating gateways are running in a trusted/secure network</td></tr><tr><td><code>UNSAFE_ENABLE_ADMIN_ENDPOINTS</code></td><td>Boolean</td><td><code>false</code></td><td>If this is set to true, dangerous admin endpoints will be exposed on the debug interface. Not recommended for production.</td></tr><tr><td><code>UNSAFE_PILOT_ENABLE_DELTA_TEST</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, addition runtime tests for Delta XDS efficiency are added. These checks are extremely expensive, so this should be used only for testing, not production.</td></tr><tr><td><code>UNSAFE_PILOT_ENABLE_RUNTIME_ASSERTIONS</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, addition runtime asserts will be performed. These checks are both expensive and panic on failure. As a result, this should be used only for testing.</td></tr><tr><td><code>USE_REMOTE_CERTS</code></td><td>Boolean</td><td><code>false</code></td><td>Whether to try to load CA certs from config Kubernetes cluster. Used for external Istiod.</td></tr><tr><td><code>VALIDATION_WEBHOOK_CONFIG_NAME</code></td><td>String</td><td><code>istio-istio-system</code></td><td>If not empty, the controller will automatically patch validatingwebhookconfiguration when the CA certificate changes. Only works in kubernetes environment.</td></tr><tr><td><code>VERIFY_CERTIFICATE_AT_CLIENT</code></td><td>Boolean</td><td><code>false</code></td><td>If enabled, certificates received by the proxy will be verified against the OS CA certificate bundle.</td></tr><tr><td><code>VERIFY_SDS_CERTIFICATE</code></td><td>Boolean</td><td><code>true</code></td><td>If enabled, certificates fetched from SDS server will be verified before sending back to proxy.</td></tr><tr><td><code>XDS_AUTH</code></td><td>Boolean</td><td><code>true</code></td><td>If true, will authenticate XDS clients.</td></tr><tr><td><code>XDS_AUTH_PLAINTEXT</code></td><td>Boolean</td><td><code>false</code></td><td>authenticate plain text requests - used if Istiod is running on a secure/trusted network</td></tr></tbody></table><h2 id=metrics>Exported metrics</h2><table class=metrics><thead><tr><th>Metric Name</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td><code>auto_registration_deletes_total</code></td><td><code>Sum</code></td><td>Total number of auto registration cleaned up by periodic timer.</td></tr><tr><td><code>auto_registration_errors_total</code></td><td><code>Sum</code></td><td>Total number of auto registration errors.</td></tr><tr><td><code>auto_registration_success_total</code></td><td><code>Sum</code></td><td>Total number of successful auto registrations.</td></tr><tr><td><code>auto_registration_unregister_total</code></td><td><code>Sum</code></td><td>Total number of unregistrations.</td></tr><tr><td><code>auto_registration_updates_total</code></td><td><code>Sum</code></td><td>Total number of auto registration updates.</td></tr><tr><td><code>citadel_server_authentication_failure_count</code></td><td><code>Sum</code></td><td>The number of authentication failures.</td></tr><tr><td><code>citadel_server_cert_chain_expiry_timestamp</code></td><td><code>LastValue</code></td><td>The unix timestamp, in seconds, when Citadel cert chain will expire. A negative time indicates the cert is expired.</td></tr><tr><td><code>citadel_server_csr_count</code></td><td><code>Sum</code></td><td>The number of CSRs received by Citadel server.</td></tr><tr><td><code>citadel_server_csr_parsing_err_count</code></td><td><code>Sum</code></td><td>The number of errors occurred when parsing the CSR.</td></tr><tr><td><code>citadel_server_csr_sign_err_count</code></td><td><code>Sum</code></td><td>The number of errors occurred when signing the CSR.</td></tr><tr><td><code>citadel_server_id_extraction_err_count</code></td><td><code>Sum</code></td><td>The number of errors occurred when extracting the ID from CSR.</td></tr><tr><td><code>citadel_server_root_cert_expiry_timestamp</code></td><td><code>LastValue</code></td><td>The unix timestamp, in seconds, when Citadel root cert will expire. A negative time indicates the cert is expired.</td></tr><tr><td><code>citadel_server_success_cert_issuance_count</code></td><td><code>Sum</code></td><td>The number of certificates issuances that have succeeded.</td></tr><tr><td><code>controller_sync_errors_total</code></td><td><code>Sum</code></td><td>Total number of errorMetric syncing controllers.</td></tr><tr><td><code>endpoint_no_pod</code></td><td><code>LastValue</code></td><td>Endpoints without an associated pod.</td></tr><tr><td><code>galley_validation_failed</code></td><td><code>Sum</code></td><td>Resource validation failed</td></tr><tr><td><code>galley_validation_http_error</code></td><td><code>Sum</code></td><td>Resource validation http serve errors</td></tr><tr><td><code>galley_validation_passed</code></td><td><code>Sum</code></td><td>Resource is valid</td></tr><tr><td><code>galley_validation_config_load_error</code></td><td><code>Sum</code></td><td>k8s webhook configuration (re)load error</td></tr><tr><td><code>galley_validation_config_update_error</code></td><td><code>Sum</code></td><td>k8s webhook configuration update error</td></tr><tr><td><code>galley_validation_config_updates</code></td><td><code>Sum</code></td><td>k8s webhook configuration updates</td></tr><tr><td><code>istio_build</code></td><td><code>LastValue</code></td><td>Istio component build info</td></tr><tr><td><code>istiod_managed_clusters</code></td><td><code>LastValue</code></td><td>Number of clusters managed by istiod</td></tr><tr><td><code>istiod_uptime_seconds</code></td><td><code>LastValue</code></td><td>Current istiod server uptime in seconds</td></tr><tr><td><code>num_outgoing_retries</code></td><td><code>Sum</code></td><td>Number of outgoing retry requests (e.g. to a token exchange server, CA, etc.)</td></tr><tr><td><code>pilot_conflict_inbound_listener</code></td><td><code>LastValue</code></td><td>Number of conflicting inbound listeners.</td></tr><tr><td><code>pilot_conflict_outbound_listener_tcp_over_current_tcp</code></td><td><code>LastValue</code></td><td>Number of conflicting tcp listeners with current tcp listener.</td></tr><tr><td><code>pilot_debounce_time</code></td><td><code>Distribution</code></td><td>Delay in seconds between the first config enters debouncing and the merged push request is pushed into the push queue.</td></tr><tr><td><code>pilot_destrule_subsets</code></td><td><code>LastValue</code></td><td>Duplicate subsets across destination rules for same host</td></tr><tr><td><code>pilot_dns_cluster_without_endpoints</code></td><td><code>LastValue</code></td><td>DNS clusters without endpoints caused by the endpoint field in STRICT_DNS type cluster is not set or the corresponding subset cannot select any endpoint</td></tr><tr><td><code>pilot_duplicate_envoy_clusters</code></td><td><code>LastValue</code></td><td>Duplicate envoy clusters caused by service entries with same hostname</td></tr><tr><td><code>pilot_eds_no_instances</code></td><td><code>LastValue</code></td><td>Number of clusters without instances.</td></tr><tr><td><code>pilot_endpoint_not_ready</code></td><td><code>LastValue</code></td><td>Endpoint found in unready state.</td></tr><tr><td><code>pilot_envoy_filter_status</code></td><td><code>LastValue</code></td><td>Status of Envoy filters whether it was applied or errored.</td></tr><tr><td><code>pilot_inbound_updates</code></td><td><code>Sum</code></td><td>Total number of updates received by pilot.</td></tr><tr><td><code>pilot_info</code></td><td><code>LastValue</code></td><td>Pilot version and build information.</td></tr><tr><td><code>pilot_jwks_resolver_network_fetch_fail_total</code></td><td><code>Sum</code></td><td>Total number of failed network fetch by pilot jwks resolver</td></tr><tr><td><code>pilot_jwks_resolver_network_fetch_success_total</code></td><td><code>Sum</code></td><td>Total number of successfully network fetch by pilot jwks resolver</td></tr><tr><td><code>pilot_k8s_cfg_events</code></td><td><code>Sum</code></td><td>Events from k8s config.</td></tr><tr><td><code>pilot_k8s_endpoints_pending_pod</code></td><td><code>LastValue</code></td><td>Number of endpoints that do not currently have any corresponding pods.</td></tr><tr><td><code>pilot_k8s_endpoints_with_no_pods</code></td><td><code>Sum</code></td><td>Endpoints that does not have any corresponding pods.</td></tr><tr><td><code>pilot_k8s_reg_events</code></td><td><code>Sum</code></td><td>Events from k8s registry.</td></tr><tr><td><code>pilot_no_ip</code></td><td><code>LastValue</code></td><td>Pods not found in the endpoint table, possibly invalid.</td></tr><tr><td><code>pilot_proxy_convergence_time</code></td><td><code>Distribution</code></td><td>Delay in seconds between config change and a proxy receiving all required configuration.</td></tr><tr><td><code>pilot_proxy_queue_time</code></td><td><code>Distribution</code></td><td>Time in seconds, a proxy is in the push queue before being dequeued.</td></tr><tr><td><code>pilot_push_triggers</code></td><td><code>Sum</code></td><td>Total number of times a push was triggered, labeled by reason for the push.</td></tr><tr><td><code>pilot_pushcontext_init_seconds</code></td><td><code>Distribution</code></td><td>Total time in seconds Pilot takes to init pushContext.</td></tr><tr><td><code>pilot_sds_certificate_errors_total</code></td><td><code>Sum</code></td><td>Total number of failures to fetch SDS key and certificate.</td></tr><tr><td><code>pilot_services</code></td><td><code>LastValue</code></td><td>Total services known to pilot.</td></tr><tr><td><code>pilot_total_rejected_configs</code></td><td><code>Sum</code></td><td>Total number of configs that Pilot had to reject or ignore.</td></tr><tr><td><code>pilot_total_xds_internal_errors</code></td><td><code>Sum</code></td><td>Total number of internal XDS errors in pilot.</td></tr><tr><td><code>pilot_total_xds_rejects</code></td><td><code>Sum</code></td><td>Total number of XDS responses from pilot rejected by proxy.</td></tr><tr><td><code>pilot_virt_services</code></td><td><code>LastValue</code></td><td>Total virtual services known to pilot.</td></tr><tr><td><code>pilot_vservice_dup_domain</code></td><td><code>LastValue</code></td><td>Virtual services with dup domains.</td></tr><tr><td><code>pilot_worker_queue_depth</code></td><td><code>LastValue</code></td><td>Depth of the controller queues</td></tr><tr><td><code>pilot_worker_queue_duration</code></td><td><code>Distribution</code></td><td>Time taken to process an item</td></tr><tr><td><code>pilot_worker_queue_latency</code></td><td><code>Distribution</code></td><td>Latency before the item is processed</td></tr><tr><td><code>pilot_xds</code></td><td><code>LastValue</code></td><td>Number of endpoints connected to this pilot using XDS.</td></tr><tr><td><code>pilot_xds_cds_reject</code></td><td><code>LastValue</code></td><td>Pilot rejected CDS configs.</td></tr><tr><td><code>pilot_xds_config_size_bytes</code></td><td><code>Distribution</code></td><td>Distribution of configuration sizes pushed to clients</td></tr><tr><td><code>pilot_xds_eds_reject</code></td><td><code>LastValue</code></td><td>Pilot rejected EDS.</td></tr><tr><td><code>pilot_xds_expired_nonce</code></td><td><code>Sum</code></td><td>Total number of XDS requests with an expired nonce.</td></tr><tr><td><code>pilot_xds_lds_reject</code></td><td><code>LastValue</code></td><td>Pilot rejected LDS.</td></tr><tr><td><code>pilot_xds_push_context_errors</code></td><td><code>Sum</code></td><td>Number of errors (timeouts) initiating push context.</td></tr><tr><td><code>pilot_xds_push_time</code></td><td><code>Distribution</code></td><td>Total time in seconds Pilot takes to push lds, rds, cds and eds.</td></tr><tr><td><code>pilot_xds_pushes</code></td><td><code>Sum</code></td><td>Pilot build and send errors for lds, rds, cds and eds.</td></tr><tr><td><code>pilot_xds_rds_reject</code></td><td><code>LastValue</code></td><td>Pilot rejected RDS.</td></tr><tr><td><code>pilot_xds_send_time</code></td><td><code>Distribution</code></td><td>Total time in seconds Pilot takes to send generated configuration.</td></tr><tr><td><code>pilot_xds_write_timeout</code></td><td><code>Sum</code></td><td>Pilot XDS response write timeouts.</td></tr><tr><td><code>provider_lookup_cluster_failures</code></td><td><code>Sum</code></td><td>Number of times a cluster lookup failed</td></tr><tr><td><code>remote_cluster_sync_timeouts_total</code></td><td><code>Sum</code></td><td>Number of times remote clusters took too long to sync, causing slow startup that excludes remote clusters.</td></tr><tr><td><code>scrape_failures_total</code></td><td><code>Sum</code></td><td>The total number of failed scrapes.</td></tr><tr><td><code>scrapes_total</code></td><td><code>Sum</code></td><td>The total number of scrapes.</td></tr><tr><td><code>sidecar_injection_failure_total</code></td><td><code>Sum</code></td><td>Total number of failed sidecar injection requests.</td></tr><tr><td><code>sidecar_injection_requests_total</code></td><td><code>Sum</code></td><td>Total number of sidecar injection requests.</td></tr><tr><td><code>sidecar_injection_skip_total</code></td><td><code>Sum</code></td><td>Total number of skipped sidecar injection requests.</td></tr><tr><td><code>sidecar_injection_success_total</code></td><td><code>Sum</code></td><td>Total number of successful sidecar injection requests.</td></tr><tr><td><code>sidecar_injection_time_seconds</code></td><td><code>Distribution</code></td><td>Total time taken for injection in seconds.</td></tr><tr><td><code>startup_duration_seconds</code></td><td><code>LastValue</code></td><td>The time from the process starting to being marked ready.</td></tr><tr><td><code>wasm_cache_entries</code></td><td><code>LastValue</code></td><td>number of Wasm remote fetch cache entries.</td></tr><tr><td><code>wasm_cache_lookup_count</code></td><td><code>Sum</code></td><td>number of Wasm remote fetch cache lookups.</td></tr><tr><td><code>wasm_config_conversion_count</code></td><td><code>Sum</code></td><td>number of Wasm config conversion count and results, including success, no remote load, marshal failure, remote fetch failure, miss remote fetch hint.</td></tr><tr><td><code>wasm_config_conversion_duration</code></td><td><code>Distribution</code></td><td>Total time in milliseconds istio-agent spends on converting remote load in Wasm config.</td></tr><tr><td><code>wasm_remote_fetch_count</code></td><td><code>Sum</code></td><td>number of Wasm remote fetches and results, including success, download failure, and checksum mismatch.</td></tr><tr><td><code>webhook_patch_attempts_total</code></td><td><code>Sum</code></td><td>Webhook patching attempts</td></tr><tr><td><code>webhook_patch_failures_total</code></td><td><code>Sum</code></td><td>Webhook patching total failures</td></tr><tr><td><code>webhook_patch_retries_total</code></td><td><code>Sum</code></td><td>Webhook patching retries</td></tr><tr><td><code>xds_cache_dependent_config_size</code></td><td><code>LastValue</code></td><td>Current size of dependent configs</td></tr><tr><td><code>xds_cache_evictions</code></td><td><code>Sum</code></td><td>Total number of xds cache evictions.</td></tr><tr><td><code>xds_cache_reads</code></td><td><code>Sum</code></td><td>Total number of xds cache xdsCacheReads.</td></tr><tr><td><code>xds_cache_size</code></td><td><code>LastValue</code></td><td>Current size of xds cache</td></tr></tbody></table></article><nav class=pagenav><div class=left><a title="Istio Pilot agent." href=/v1.19/docs/reference/commands/pilot-agent/ class=next-link><svg class="icon left-arrow"><use 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