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<button id=search-show2 class=search-show title='Search this site' aria-label=Search><svg class="icon magnifier"><use xlink:href="/v1.20/img/icons.svg#magnifier"/></svg></button></form></div><div class=card><div class="body default" aria-labelledby=header0><ul role=tree aria-expanded=true aria-labelledby=header0><li role=treeitem aria-label=Concepts><a class=main title="Learn about the different parts of the Istio system and the abstractions it uses." href=/v1.20/docs/concepts/>Concepts</a><ul role=group aria-expanded=true class=leaf-section><li role=none><a role=treeitem title="Describes the various Istio features focused on traffic routing and control." href=/v1.20/docs/concepts/traffic-management/>Traffic Management</a></li><li role=none><a role=treeitem title="Describes Istio's authorization and authentication functionality." href=/v1.20/docs/concepts/security/>Security</a></li><li role=none><a role=treeitem title="Describes the telemetry and monitoring features provided by Istio." 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role=none><a role=treeitem title="Instructions to set up an Alibaba Cloud Kubernetes cluster for Istio." href=/v1.20/docs/setup/platform-setup/alicloud/>Alibaba Cloud</a></li><li role=none><a role=treeitem title="Instructions to set up Istio on Amazon EKS in AWS cloud." href=/v1.20/docs/setup/platform-setup/amazon-eks/>Amazon EKS</a></li><li role=none><a role=treeitem title="Instructions to set up an Azure cluster for Istio." href=/v1.20/docs/setup/platform-setup/azure/>Azure</a></li><li role=none><a role=treeitem title="Instructions to set up Docker Desktop for Istio." href=/v1.20/docs/setup/platform-setup/docker/>Docker Desktop</a></li><li role=none><a role=treeitem title="Instructions to set up a Google Kubernetes Engine cluster for Istio." href=/v1.20/docs/setup/platform-setup/gke/>Google Kubernetes Engine</a></li><li role=none><a role=treeitem title="Instructions to set up an Huawei Cloud kubernetes cluster for Istio." href=/v1.20/docs/setup/platform-setup/huaweicloud/>Huawei Cloud</a></li><li role=none><a role=treeitem title="Instructions to set up an IBM Cloud cluster for Istio." href=/v1.20/docs/setup/platform-setup/ibm/>IBM Cloud</a></li><li role=none><a role=treeitem title="Instructions to set up k3d for Istio." href=/v1.20/docs/setup/platform-setup/k3d/>k3d</a></li><li role=none><a role=treeitem title="Instructions to set up kind for Istio." href=/v1.20/docs/setup/platform-setup/kind/>kind</a></li><li role=none><a role=treeitem title="Instructions to set up Kops for use with Istio." href=/v1.20/docs/setup/platform-setup/kops/>Kops</a></li><li role=none><a role=treeitem title="Instructions to set up a Gardener cluster for Istio." href=/v1.20/docs/setup/platform-setup/gardener/>Kubernetes Gardener</a></li><li role=none><a role=treeitem title="Instructions to set up a KubeSphere Container Platform for Istio." href=/v1.20/docs/setup/platform-setup/kubesphere/>KubeSphere Container Platform</a></li><li role=none><a role=treeitem title="Instructions to set up MicroK8s for use with Istio." href=/v1.20/docs/setup/platform-setup/microk8s/>MicroK8s</a></li><li role=none><a role=treeitem title="Instructions to set up minikube for Istio." href=/v1.20/docs/setup/platform-setup/minikube/>Minikube</a></li><li role=none><a role=treeitem title="Instructions to set up an OpenShift cluster for Istio." href=/v1.20/docs/setup/platform-setup/openshift/>OpenShift</a></li><li role=none><a role=treeitem title="Instructions to prepare a cluster for Istio using Oracle Container Engine for Kubernetes (OKE)." href=/v1.20/docs/setup/platform-setup/oci/>Oracle Cloud Infrastructure</a></li><li role=none><a role=treeitem title="Instructions to set up Istio quickly in Tencent Cloud." href=/v1.20/docs/setup/platform-setup/tencent-cloud-mesh/>Tencent Cloud</a></li></ul></li><li role=treeitem aria-label=Install><button aria-hidden=true tabindex=-1></button><a title="Choose the guide that best suits your needs and platform." href=/v1.20/docs/setup/install/>Install</a><ul role=group aria-expanded=false><li role=none><a role=treeitem title="Install and customize any Istio configuration profile for in-depth evaluation or production use." href=/v1.20/docs/setup/install/istioctl/>Install with Istioctl</a></li><li role=none><a role=treeitem title="Instructions to install and configure Istio in a Kubernetes cluster using Helm." href=/v1.20/docs/setup/install/helm/>Install with Helm</a></li><li role=treeitem aria-label="Install Multicluster"><button aria-hidden=true tabindex=-1></button><a title="Install an Istio mesh across multiple Kubernetes clusters." href=/v1.20/docs/setup/install/multicluster/>Install Multicluster</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Initial steps before installing Istio on multiple clusters." href=/v1.20/docs/setup/install/multicluster/before-you-begin/>Before you begin</a></li><li role=none><a role=treeitem title="Install an Istio mesh across multiple primary clusters." href=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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 title="Upgrade, downgrade, and manage Istio across multiple control plane revisions." href=/v1.20/docs/setup/upgrade/>Upgrade</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Upgrade Istio by first running a canary deployment of a new control plane." href=/v1.20/docs/setup/upgrade/canary/>Canary Upgrades</a></li><li role=none><a role=treeitem title="Upgrade or downgrade Istio in place." href=/v1.20/docs/setup/upgrade/in-place/>In-place Upgrades</a></li><li role=none><a role=treeitem title="Instructions to upgrade Istio using Helm." href=/v1.20/docs/setup/upgrade/helm/>Upgrade with Helm</a></li></ul></li><li role=treeitem aria-label="More Guides"><button aria-hidden=true tabindex=-1></button><a title="More information on additional setup tasks." href=/v1.20/docs/setup/additional-setup/>More Guides</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Try Istio’s features quickly and easily." href=/v1.20/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=/v1.20/docs/setup/additional-setup/config-profiles/>Installation Configuration Profiles</a></li><li role=none><a role=treeitem title="Install and customize Istio Gateways." href=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/docs/setup/additional-setup/customize-installation-helm/>Advanced Helm Chart Customization</a></li><li role=none><a role=treeitem title="Install and use Istio in Dual-Stack mode running on a Dual-Stack Kubernetes cluster." href=/v1.20/docs/setup/additional-setup/dual-stack/>Install Istio in Dual-Stack mode</a></li><li role=none><a role=treeitem title="Install and use Istio with the Pod Security admission controller." href=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/docs/examples/microservices-istio/prereq/>Prerequisites</a></li><li role=none><a role=treeitem title href=/v1.20/docs/examples/microservices-istio/setup-kubernetes-cluster/>Set up a Kubernetes Cluster</a></li><li role=none><a role=treeitem title href=/v1.20/docs/examples/microservices-istio/setup-local-computer/>Set up a Local Computer</a></li><li role=none><a role=treeitem title href=/v1.20/docs/examples/microservices-istio/single/>Run a Microservice Locally</a></li><li role=none><a role=treeitem title href=/v1.20/docs/examples/microservices-istio/package-service/>Run ratings in Docker</a></li><li role=none><a role=treeitem title href=/v1.20/docs/examples/microservices-istio/bookinfo-kubernetes/>Run Bookinfo with Kubernetes</a></li><li role=none><a role=treeitem title href=/v1.20/docs/examples/microservices-istio/production-testing/>Test in production</a></li><li role=none><a role=treeitem title href=/v1.20/docs/examples/microservices-istio/add-new-microservice-version/>Add a new version of reviews</a></li><li role=none><a role=treeitem title href=/v1.20/docs/examples/microservices-istio/add-istio/>Enable Istio on productpage</a></li><li role=none><a role=treeitem title href=/v1.20/docs/examples/microservices-istio/enable-istio-all-microservices/>Enable Istio on all the microservices</a></li><li role=none><a role=treeitem title href=/v1.20/docs/examples/microservices-istio/istio-ingress-gateway/>Configure Istio Ingress Gateway</a></li><li role=none><a role=treeitem title href=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/docs/ops/deployment/vm-architecture/>Virtual Machine Architecture</a></li><li role=none><a role=treeitem title="Istio performance and scalability summary." href=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/docs/ops/configuration/traffic-management/protocol-selection/>Protocol Selection</a></li><li role=none><a role=treeitem title="How to configure certificates within your mesh." href=/v1.20/docs/ops/configuration/traffic-management/manage-mesh-certificates/>Managing In-Mesh Certificates</a></li><li role=none><a role=treeitem title="How to configure TLS settings to secure network traffic." href=/v1.20/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=/v1.20/docs/ops/configuration/traffic-management/traffic-routing/>Traffic Routing</a></li><li role=none><a role=treeitem title="How DNS interacts with Istio." href=/v1.20/docs/ops/configuration/traffic-management/dns/>DNS</a></li><li role=none><a role=treeitem title="How to configure gateway network topology (Alpha)" href=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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." href=/v1.20/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=/v1.20/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=/v1.20/docs/ops/configuration/telemetry/envoy-stats/>Envoy Statistics</a></li><li role=none><a role=treeitem title="Configure Prometheus to monitor multicluster Istio." href=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/docs/ops/common-problems/security-issues/>Security Problems</a></li><li role=none><a role=treeitem title="Dealing with telemetry collection issues." href=/v1.20/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=/v1.20/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=/v1.20/docs/ops/common-problems/validation/>Configuration Validation Problems</a></li><li role=none><a role=treeitem title="Resolve common problems with Istio upgrades." href=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/docs/ops/ambient/>Ambient Mesh</a><ul role=group aria-expanded=false><li role=none><a role=treeitem title="How to deploy and install ambient mesh." href=/v1.20/docs/ops/ambient/getting-started/>Getting Started with Ambient Mesh</a></li><li role=treeitem aria-label="Ambient Mesh User Guides"><button aria-hidden=true tabindex=-1></button><a title="How to use ambient mesh." href=/v1.20/docs/ops/ambient/usage/>Ambient Mesh User Guides</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="User guide for Istio Ambient L4 networking and mTLS using ztunnel proxy." href=/v1.20/docs/ops/ambient/usage/ztunnel/>L4 Networking & mTLS with Ztunnel</a></li><li role=none><a role=treeitem title="User guide for Istio Ambient L7 networking and services using waypoint proxy." href=/v1.20/docs/ops/ambient/usage/waypoint/>L7 Networking & Services with Waypoint</a></li></ul></li><li role=treeitem aria-label="Installation Guide"><button aria-hidden=true tabindex=-1></button><a title="Installation guide for Istio Ambient mesh." href=/v1.20/docs/ops/ambient/install/>Installation Guide</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="How to install Ambient Mesh with Helm." href=/v1.20/docs/ops/ambient/install/helm-installation/>Install with Helm</a></li></ul></li><li role=none><a role=treeitem title="Deep dive into ambient mesh architecture." href=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/docs/ops/integrations/grafana/>Grafana</a></li><li role=none><a role=treeitem title="How to integrate with Jaeger." href=/v1.20/docs/ops/integrations/jaeger/>Jaeger</a></li><li role=none><a role=treeitem title="Information on how to integrate with Kiali." href=/v1.20/docs/ops/integrations/kiali/>Kiali</a></li><li role=none><a role=treeitem title="How to integrate with Prometheus." href=/v1.20/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=/v1.20/docs/ops/integrations/spire/>SPIRE</a></li><li role=none><a role=treeitem title="How to integrate with Apache SkyWalking." href=/v1.20/docs/ops/integrations/skywalking/>Apache SkyWalking</a></li><li role=none><a role=treeitem title="How to integrate with Zipkin." href=/v1.20/docs/ops/integrations/zipkin/>Zipkin</a></li><li role=none><a role=treeitem title="How to integrate Istio with third party load balancers." href=/v1.20/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=/v1.20/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=/v1.20/docs/releases/feature-stages/>Feature Status</a></li><li role=none><a role=treeitem title="What to do if you find a bug." href=/v1.20/docs/releases/bugs/>Reporting Bugs</a></li><li role=none><a role=treeitem title="How we handle security vulnerabilities." href=/v1.20/docs/releases/security-vulnerabilities/>Security Vulnerabilities</a></li><li role=none><a role=treeitem title="The currently supported Istio releases." href=/v1.20/docs/releases/supported-releases/>Supported Releases</a></li><li role=treeitem aria-label="Contribute Documentation"><button class=show aria-hidden=true tabindex=-1></button><a title="Details how to create and maintain Istio documentation pages." href=/v1.20/docs/releases/contribute/>Contribute Documentation</a><ul role=group aria-expanded=true class=leaf-section><li role=none><a role=treeitem title="Shows you how to use GitHub to contribute to the Istio documentation." href=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/docs/reference/config/>Configuration</a><ul role=group aria-expanded=false><li role=none><a role=treeitem title="Telemetry configuration for workloads." href=/v1.20/docs/reference/config/telemetry/>Telemetry</a></li><li role=none><a role=treeitem title="Describes the structure of messages generated by Istio analyzers." href=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/docs/reference/config/proxy_extensions/wasm-plugin/>Wasm Plugin</a></li><li role=none><a role=treeitem title="Configuration for AccessLogPolicy Filter." href=/v1.20/docs/reference/config/proxy_extensions/accesslogpolicy/>AccessLogPolicy Config</a></li><li role=none><a role=treeitem title="Configuration for Stackdriver filter." href=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/docs/reference/config/networking/destination-rule/>Destination Rule</a></li><li role=none><a role=treeitem title="Customizing Envoy configuration generated by Istio." href=/v1.20/docs/reference/config/networking/envoy-filter/>Envoy Filter</a></li><li role=none><a role=treeitem title="Configuration affecting edge load balancer." href=/v1.20/docs/reference/config/networking/gateway/>Gateway</a></li><li role=none><a role=treeitem title="Provides configuration for individual workloads." href=/v1.20/docs/reference/config/networking/proxy-config/>ProxyConfig</a></li><li role=none><a role=treeitem title="Configuration affecting service registry." href=/v1.20/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=/v1.20/docs/reference/config/networking/sidecar/>Sidecar</a></li><li role=none><a role=treeitem title="Configuration affecting label/content routing, sni routing, etc." href=/v1.20/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=/v1.20/docs/reference/config/networking/workload-entry/>Workload Entry</a></li><li role=none><a role=treeitem title="Describes a collection of workload instances." href=/v1.20/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=/v1.20/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=/v1.20/docs/reference/config/security/jwt/>JWTRule</a></li><li role=none><a role=treeitem title="Peer authentication configuration for workloads." href=/v1.20/docs/reference/config/security/peer_authentication/>PeerAuthentication</a></li><li role=none><a role=treeitem title="Request authentication configuration for workloads." href=/v1.20/docs/reference/config/security/request_authentication/>RequestAuthentication</a></li><li role=none><a role=treeitem title="Configuration for access control on workloads." href=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/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=/v1.20/docs/reference/config/metrics/>Istio Standard Metrics</a></li><li role=none><a role=treeitem title="Resource annotations used by Istio." href=/v1.20/docs/reference/config/annotations/>Resource Annotations</a></li><li role=none><a role=treeitem title="Resource labels used by Istio." href=/v1.20/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=/v1.20/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=/v1.20/docs/reference/config/analysis/ist0136/>AlphaAnnotation</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/message-format/>Analyzer Message Format</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0109/>ConflictingMeshGatewayVirtualServiceHosts</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0110/>ConflictingSidecarWorkloadSelectors</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0159/>ConflictingTelemetryWorkloadSelectors</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0116/>DeploymentAssociatedToMultipleServices</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0137/>DeploymentConflictingPorts</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0002/>Deprecated</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0135/>DeprecatedAnnotation</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0153/>EnvoyFilterUsesAddOperationIncorrectly</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0151/>EnvoyFilterUsesRelativeOperation</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0155/>EnvoyFilterUsesRelativeOperationWithProxyVersion</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0154/>EnvoyFilterUsesRemoveOperationIncorrectly</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0152/>EnvoyFilterUsesReplaceOperationIncorrectly</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0164/>ExternalControlPlaneAddressIsNotAHostname</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0150/>ExternalNameServiceTypeInvalidPortName</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0162/>GatewayPortNotDefinedOnService</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0001/>InternalError</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0125/>InvalidAnnotation</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0144/>InvalidApplicationUID</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0163/>InvalidExternalControlPlaneConfig</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0161/>InvalidGatewayCredential</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0122/>InvalidRegexp</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0157/>InvalidTelemetryProvider</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0119/>JwtFailureDueToInvalidServicePortPrefix</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0143/>LocalhostListener</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0107/>MisplacedAnnotation</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0113/>MTLSPolicyConflict</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0111/>MultipleSidecarsWithoutWorkloadSelectors</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0160/>MultipleTelemetriesWithoutWorkloadSelectors</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0123/>NamespaceMultipleInjectionLabels</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0102/>NamespaceNotInjected</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0127/>NoMatchingWorkloadsFound</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0128/>NoServerCertificateVerificationDestinationLevel</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0129/>NoServerCertificateVerificationPortLevel</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0103/>PodMissingProxy</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0158/>PodsIstioProxyImageMismatchInNamespace</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0118/>PortNameIsNotUnderNamingConvention</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0101/>ReferencedResourceNotFound</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0106/>SchemaValidationError</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0134/>ServiceEntryAddressesRequired</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0108/>UnknownAnnotation</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0112/>VirtualServiceDestinationPortSelectorRequired</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0132/>VirtualServiceHostNotFoundInGateway</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0131/>VirtualServiceIneffectiveMatch</a></li><li role=none><a role=treeitem title href=/v1.20/docs/reference/config/analysis/ist0130/>VirtualServiceUnreachableRule</a></li></ul></li></ul></li><li role=treeitem aria-label=Commands><button aria-hidden=true tabindex=-1></button><a title="Describes usage and options of the Istio commands and utilities." href=/v1.20/docs/reference/commands/>Commands</a><ul role=group aria-expanded=false 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=/v1.20/docs/reference/commands/install-cni/>install-cni</a></li><li role=none><a role=treeitem title="Istio control interface." href=/v1.20/docs/reference/commands/istioctl/>istioctl</a></li><li role=none><a role=treeitem title="The Istio operator." href=/v1.20/docs/reference/commands/operator/>operator</a></li><li role=none><a role=treeitem title="Istio Pilot agent." href=/v1.20/docs/reference/commands/pilot-agent/>pilot-agent</a></li><li role=none><a role=treeitem title="Istio Pilot." href=/v1.20/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=/v1.20/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 xlink:href="/v1.20/img/icons.svg#hamburger-sidebar"/></svg>
|
||
Contents</button><article aria-labelledby=title><nav aria-label=Breadcrumb><ol><li><a href=/v1.20/docs/ title="Learn how to deploy, use, and operate Istio.">Documentation</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.20/img/icons.svg#breadcrumb-arrow"/></svg></li><li><a href=/v1.20/docs/releases/ title="Information relating to Istio releases.">Releases</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.20/img/icons.svg#breadcrumb-arrow"/></svg></li><li><a href=/v1.20/docs/releases/contribute/ title="Details how to create and maintain Istio documentation pages.">Contribute Documentation</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.20/img/icons.svg#breadcrumb-arrow"/></svg></li><li>Use Shortcodes</li></ol></nav><div class=title-area><div style=width:100%><h1 id=title>Use Shortcodes</h1><p class=byline><span class=reading-time title="1783 words"><svg class="icon clock"><use xlink:href="/v1.20/img/icons.svg#clock"/></svg><span> </span>9 minute read</span>
|
||
<span> </span>
|
||
<span></span></p></div></div><nav class=toc-inlined aria-label="Table of Contents"><div><hr><ol><li role=none aria-label="Add images"><a href=#add-images>Add images</a><li role=none aria-label="Add icons"><a href=#add-icons>Add icons</a><li role=none aria-label="Add links to other pages"><a href=#add-links-to-other-pages>Add links to other pages</a><ol><li role=none aria-label="Add links to content on GitHub"><a href=#add-links-to-content-on-github>Add links to content on GitHub</a></ol></li><li role=none aria-label="Version information"><a href=#version-information>Version information</a><li role=none aria-label="Glossary terms"><a href=#glossary-terms>Glossary terms</a><li role=none aria-label=Callouts><a href=#callouts>Callouts</a><li role=none aria-label="Use boilerplate text"><a href=#use-boilerplate-text>Use boilerplate text</a><li role=none aria-label="Use tabs"><a href=#use-tabs>Use tabs</a><ol><li role=none aria-label="Tab limitations"><a href=#tab-limitations>Tab limitations</a></ol></li><li role=none aria-label="Use banners and stickers"><a href=#use-banners-and-stickers>Use banners and stickers</a><li role=none aria-label="See also"><a href=#see-also>See also</a></li></ol><hr></div></nav><p>Hugo shortcodes are special placeholders with a certain syntax that you can add
|
||
to your content to create dynamic content experiences, such as tabs,
|
||
images and icons, links to other pages, and special content layouts.</p><p>This page explains the available shortcodes and how to use them for your
|
||
content.</p><h2 id=add-images>Add images</h2><p>Place image files in the same directory as the markdown file using them. To make
|
||
localization easier and enhance accessibility, the preferred image
|
||
format is SVG. The following example shows the shortcode with the required
|
||
fields needed to add an image:</p><pre><code class=language-html data-expandlinks=true data-repo=istio>{{< image width="75%" ratio="45.34%"
|
||
link="./<image.svg>"
|
||
caption="<The caption displayed under the image>"
|
||
>}}
|
||
</code></pre><p>The <code>link</code> and <code>caption</code> fields are required, but the shortcode also supports
|
||
optional fields, for example:</p><pre><code class=language-html data-expandlinks=true data-repo=istio>{{< image width="75%" ratio="45.34%"
|
||
link="./<image.svg>"
|
||
alt="<Alternate text used by screen readers and when loading the image fails>"
|
||
title="<Text that appears on mouse-over>"
|
||
caption="<The caption displayed under the image>"
|
||
>}}
|
||
</code></pre><p>If you don’t include the <code>title</code> field, Hugo uses the text set in <code>caption</code>. If
|
||
you don’t include the <code>alt</code> field, Hugo uses the text in <code>title</code> or in <code>caption</code>
|
||
if <code>title</code> is also not defined.</p><p>The <code>width</code> field sets the size of the image relative to the surrounding text and
|
||
has a default of 100%.</p><p>The <code>ratio</code> field sets the height of the image relative to its width. Hugo
|
||
calculates this value automatically for image files in the folder.
|
||
However, you must calculate it manually for external images.
|
||
Set the value of <code>ratio</code> to <code>([image height]/[image width]) * 100</code>.</p><h2 id=add-icons>Add icons</h2><p>You can embed common icons in your content with the following content:</p><pre><code class=language-markdown data-expandlinks=true data-repo=istio>{{< warning_icon >}}
|
||
{{< idea_icon >}}
|
||
{{< checkmark_icon >}}
|
||
{{< cancel_icon >}}
|
||
{{< tip_icon >}}
|
||
</code></pre><p>The icons are rendered within the text. For example: <svg class="large-icon"><use xlink:href="/v1.20/img/icons.svg#exclamation-mark"/></svg>,
|
||
<svg class="large-icon"><use xlink:href="/v1.20/img/icons.svg#bulb"/></svg>, <svg class="large-icon"><use xlink:href="/v1.20/img/icons.svg#checkmark"/></svg>, <svg class="large-icon"><use xlink:href="/v1.20/img/icons.svg#cancel"/></svg> and <svg class="large-icon"><use xlink:href="/v1.20/img/icons.svg#info"/></svg>.</p><h2 id=add-links-to-other-pages>Add links to other pages</h2><p>The Istio documentation supports three types of links depending on their target.
|
||
Each type uses a different syntax to express the target.</p><ul><li><p><strong>External links</strong>. These are links to pages outside of the Istio
|
||
documentation or the Istio GitHub repositories. Use the standard Markdown
|
||
syntax to include the URL. Use the HTTPS protocol, when you reference files
|
||
on the Internet, for example:</p><pre><code class=language-markdown data-expandlinks=true data-repo=istio>[Descriptive text for the link](https://mysite/myfile.html)
|
||
</code></pre></li><li><p><strong>Relative links</strong>. These links target pages at the same level of the current
|
||
file or further down the hierarchy. Start the path of relative links with a
|
||
period <code>.</code>, for example:</p><pre><code class=language-markdown data-expandlinks=true data-repo=istio>[This links to a sibling or child page](./sub-dir/child-page.html)
|
||
</code></pre></li><li><p><strong>Absolute links</strong>. These links target pages outside the hierarchy of the
|
||
current page but within the Istio website. Start the path of absolute links
|
||
with a slash <code>/</code>, for example:</p><pre><code class=language-markdown data-expandlinks=true data-repo=istio>[This links to a page on the about section](/about/page/)
|
||
</code></pre></li></ul><p>Regardless of type, links do not point to the <code>index.md</code> file with the content,
|
||
but to the folder containing it.</p><h3 id=add-links-to-content-on-github>Add links to content on GitHub</h3><p>There are a few ways to reference content or files on GitHub:</p><ul><li><p><strong>{{< github_file >}}</strong> is how you reference individual files in GitHub
|
||
such as yaml files. This shortcode produces a link to
|
||
<code>https://raw.githubusercontent.com/istio/istio*</code>, for example:</p><pre><code class=language-markdown data-expandlinks=true data-repo=istio>[liveness]({{< github_file >}}/samples/health-check/liveness-command.yaml)
|
||
</code></pre></li><li><p><strong>{{< github_tree >}}</strong> is how you reference a directory tree in GitHub.
|
||
This shortcode produces a link to <code>https://github.com/istio/istio/tree*</code>, for example:</p><pre><code class=language-markdown data-expandlinks=true data-repo=istio>[httpbin]({{< github_tree >}}/samples/httpbin)
|
||
</code></pre></li><li><p><strong>{{< github_blob >}}</strong> is how you reference a file in GitHub sources.
|
||
This shortcode produces a link to <code>https://github.com/istio/istio/blob*</code>, for example:</p><pre><code class=language-markdown data-expandlinks=true data-repo=istio>[RawVM MySQL]({{< github_blob >}}/samples/rawvm/README.md)
|
||
</code></pre></li></ul><p>The shortcodes above produce links to the appropriate branch in GitHub, based on
|
||
the branch the documentation is currently targeting. To verify which branch
|
||
is currently targeted, you can use the <code>{{< source_branch_name >}}</code>
|
||
shortcode to get the name of the currently targeted branch.</p><h2 id=version-information>Version information</h2><p>To display the current Istio version in your content by retrieving the current
|
||
version from the web site, use the following shortcodes:</p><ul><li><code>{{< istio_version >}}</code>, which renders as 1.20</li><li><code>{{< istio_full_version >}}</code>, which renders as 1.20.3</li></ul><h2 id=glossary-terms>Glossary terms</h2><p>When you introduce a specialized Istio term in a page, the supplemental
|
||
acceptance criteria for contributions require you include the term in the
|
||
glossary and markup its first instance using the <code>{{< gloss >}}</code> shortcode.
|
||
The shortcode produces a special rendering that invites readers to click on the
|
||
term to get a pop-up with the definition. For example:</p><pre><code class=language-markdown data-expandlinks=true data-repo=istio>The Istio component that programs the {{<gloss>}}Envoy{{</gloss>}} proxies, responsible for service discovery, load balancing, and routing.
|
||
</code></pre><p>is rendered as follows:</p><p>The Istio component that programs the <span class=term data-title=Envoy data-body='<p>The high-performance proxy that Istio uses to mediate inbound and outbound traffic for all <a href="/docs/reference/glossary/#service">services</a> in the
|
||
<a href="/docs/reference/glossary/#service-mesh">service mesh</a>. <a href="https://www.envoyproxy.io/">Learn more about Envoy</a>.</p>
|
||
'>Envoy</span> proxies, responsible for service discovery, load balancing, and routing.</p><p>If you use a variant of the term in your text, you can still use this shortcode
|
||
to include the pop up with the definition. To specify a substitution, just
|
||
include the glossary entry within the shortcode. For example:</p><pre><code class=language-markdown data-expandlinks=true data-repo=istio>{{<gloss envoy>}}Envoy's{{</gloss>}} HTTP support was designed to first and foremost be an HTTP/2 multiplexing proxy.
|
||
</code></pre><p>Renders with the pop up for the <code>envoy</code> glossary entry as follows:</p><p><span class=term data-title=Envoy data-body='<p>The high-performance proxy that Istio uses to mediate inbound and outbound traffic for all <a href="/docs/reference/glossary/#service">services</a> in the
|
||
<a href="/docs/reference/glossary/#service-mesh">service mesh</a>. <a href="https://www.envoyproxy.io/">Learn more about Envoy</a>.</p>
|
||
'>Envoy's</span> HTTP support was designed to first and foremost be an HTTP/2 multiplexing proxy.</p><h2 id=callouts>Callouts</h2><p>To emphasize blocks of content, you can format them as warnings, ideas, tips, or
|
||
quotes. All callouts use very similar shortcodes:</p><pre><code class=language-markdown data-expandlinks=true data-repo=istio>{{< warning >}}
|
||
This is an important warning
|
||
{{< /warning >}}
|
||
|
||
{{< idea >}}
|
||
This is a great idea
|
||
{{< /idea >}}
|
||
|
||
{{< tip >}}
|
||
This is a useful tip from an expert
|
||
{{< /tip >}}
|
||
|
||
{{< quote >}}
|
||
This is a quote from somewhere
|
||
{{< /quote >}}
|
||
</code></pre><p>The shortcodes above render as follows:</p><div><aside class="callout warning"><div class=type><svg class="large-icon"><use xlink:href="/v1.20/img/icons.svg#callout-warning"/></svg></div><div class=content>This is an important warning</div></aside></div><div><aside class="callout idea"><div class=type><svg class="large-icon"><use xlink:href="/v1.20/img/icons.svg#callout-idea"/></svg></div><div class=content>This is a great idea</div></aside></div><div><aside class="callout tip"><div class=type><svg class="large-icon"><use xlink:href="/v1.20/img/icons.svg#callout-tip"/></svg></div><div class=content>This is a useful tip from an expert</div></aside></div><div><aside class="callout quote"><div class=type><svg class="large-icon"><use xlink:href="/v1.20/img/icons.svg#callout-quote"/></svg></div><div class=content>This is a quote from somewhere</div></aside></div><p>Use callouts sparingly. Each type of callout serves a specific purpose and
|
||
over-using them negates their intended purposes and their efficacy. Generally,
|
||
you should not include more than one callout per content file.</p><h2 id=use-boilerplate-text>Use boilerplate text</h2><p>To reuse content while maintaining a single source for it, use boilerplate shortcodes. To embed
|
||
boilerplate text into any content file, use the <code>boilerplate</code> shortcode as follows:</p><pre><code class=language-markdown data-expandlinks=true data-repo=istio>{{< boilerplate example >}}
|
||
</code></pre><p>The shortcode above includes the following content from the <code>example.md</code>
|
||
Markdown file in the <code>/content/en/boilerplates/</code> folder:</p><p>This is some boilerplate <strong>markdown</strong> <em>text</em>.</p><pre><code class=language-plain data-expandlinks=true data-repo=istio>A sample nested text block in a boilerplate.
|
||
</code></pre><p>The example shows that you need to include the filename of the Markdown file
|
||
with the content you wish to insert at the current location. You can find the existing
|
||
boilerplate files are located in the <code>/content/en/boilerplates</code> directory.</p><h2 id=use-tabs>Use tabs</h2><p>To display content that has multiple options or formats, use tab sets
|
||
and tabs. For example:</p><ul><li>Equivalent commands for different platforms</li><li>Equivalent code samples in different languages</li><li>Alternative configurations</li></ul><p>To insert tabbed content, combine the <code>tabset</code> and <code>tabs</code> shortcodes,
|
||
for example:</p><pre><code class=language-markdown data-expandlinks=true data-repo=istio>{{< tabset category-name="platform" >}}
|
||
|
||
{{< tab name="One" category-value="one" >}}
|
||
ONE
|
||
{{< /tab >}}
|
||
|
||
{{< tab name="Two" category-value="two" >}}
|
||
TWO
|
||
{{< /tab >}}
|
||
|
||
{{< tab name="Three" category-value="three" >}}
|
||
THREE
|
||
{{< /tab >}}
|
||
|
||
{{< /tabset >}}
|
||
</code></pre><p>The shortcodes above produce the following output:</p><div id=tabset-docsreleasescontributeshortcodes-1 role=tablist class=tabset><div class=tab-strip data-category-name=platform><button aria-selected=true data-category-value=one aria-controls=tabset-docsreleasescontributeshortcodes-1-0-panel id=tabset-docsreleasescontributeshortcodes-1-0-tab role=tab><span>One</span>
|
||
</button><button tabindex=-1 data-category-value=two aria-controls=tabset-docsreleasescontributeshortcodes-1-1-panel id=tabset-docsreleasescontributeshortcodes-1-1-tab role=tab><span>Two</span>
|
||
</button><button tabindex=-1 data-category-value=three aria-controls=tabset-docsreleasescontributeshortcodes-1-2-panel id=tabset-docsreleasescontributeshortcodes-1-2-tab role=tab><span>Three</span></button></div><div class=tab-content><div id=tabset-docsreleasescontributeshortcodes-1-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docsreleasescontributeshortcodes-1-0-tab>ONE</div><div hidden id=tabset-docsreleasescontributeshortcodes-1-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docsreleasescontributeshortcodes-1-1-tab>TWO</div><div hidden id=tabset-docsreleasescontributeshortcodes-1-2-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docsreleasescontributeshortcodes-1-2-tab>THREE</div></div></div><p>The value of the <code>name</code> attribute of each tab contains the text displayed for
|
||
the tab. Within each tab, you can have normal Markdown content, but tabs have <a href=/v1.20/docs/releases/contribute/shortcodes/#tab-limitations>limitations</a>.</p><p>The <code>category-name</code> and <code>category-value</code> attributes are optional and make the
|
||
selected tab to stick across visits to the page. For example, a visitor selects
|
||
a tab and their selection is saved automatically with the given name and value. If
|
||
multiple tab sets use the same category name and values, their selection is
|
||
automatically synchronized across pages. This is particularly useful when there
|
||
are many tab sets in the site that hold the same types of formats.</p><p>For example, multiple tab sets could provide options for <code>GCP</code>,
|
||
<code>BlueMix</code> and <code>AWS</code>. You can set the value of the <code>category-name</code> attribute to <code>environment</code> and
|
||
the values for the <code>category-value</code> attributes to <code>gcp</code>, <code>bluemix</code>, and <code>aws</code>.
|
||
Then, when a reader selects a tab in one page, their choice will carry
|
||
throughout all tab sets across the website automatically.</p><h3 id=tab-limitations>Tab limitations</h3><p>You can use almost any Markdown in a tab, with the following exceptions:</p><ul><li><p><em>Headers</em>. Headers in a tab appear in the table of contents but
|
||
clicking on the link in the table of contents won’t automatically select
|
||
the tab.</p></li><li><p><em>Nested tab sets</em>. Don’t nest tab sets. Doing so leads to a terrible reading
|
||
experience and can cause significant confusion.</p></li></ul><h2 id=use-banners-and-stickers>Use banners and stickers</h2><p>To advertise upcoming events, or publicize something
|
||
new, you can automatically insert time-sensitive banners and stickers into the
|
||
generated site in order. We’ve implemented the following shortcodes for promotions:</p><ul><li><p><strong>Countdown stickers</strong>: They show how much time is left before a big event
|
||
For example: “37 days left until ServiceMeshCon on March 30”. Stickers have some visual
|
||
impact for readers prior to the event and should be used sparingly.</p></li><li><p><strong>Banners</strong>: They show a prominent message to readers about a
|
||
significant event that is about to take place, is taking place, or has taken place.
|
||
For example “Istio 1.5 has been released, download it today!” or “Join us at ServiceMeshCon
|
||
on March 30”. Banners are full-screen slices displayed to readers during the
|
||
event period.</p></li></ul><p>To create banners and stickers, you create Markdown files in either the
|
||
<code>events/banners</code> or <code>events/stickers</code> folders. Create one Markdown file
|
||
per event with dedicated front-matter fields to control their behavior. The
|
||
following table explains the available options:</p><table><thead><tr><th>Field</th><th>Description</th></tr></thead><tbody><tr><td><code>title</code></td><td>The name of the event. This is not displayed on the web site, it's intended for diagnostic messages.</td></tr><tr><td><code>period_start</code></td><td>The starting date at which to start displaying the item in <code>YYYY-MM-DD</code> format.
|
||
Instead of a date, this can also be the value <code>latest_release</code>, which then uses the latest known
|
||
Istio release as the start date. This is useful when creating a banner saying "Istio x.y.z has just been released".</td></tr><tr><td><code>period_end</code></td><td>The last date on which to display the item in <code>YYYY-MM-DD</code> format. This value is mutually
|
||
exclusive with <code>period_duration</code> below.</td></tr><tr><td><code>period_duration</code></td><td>How many days to display the item to the user. This value is mutually exclusive with
|
||
<code>period_end</code> above.</td></tr><tr><td><code>max_impressions</code></td><td>How many times to show the content to the user during
|
||
the event's period. A value of 3 would mean the first three pages visited by the user during the period will display
|
||
the content, and the content will be hidden on subsequent page loads. A value of 0, or omitting the field completely,
|
||
results in the content being displayed on all page visits during the period.</td></tr><tr><td><code>timeout</code></td><td>The amount of time the content is visible to the user on a given page. After that much time passes, the item will be removed from the page.</td></tr><tr><td><code>link</code></td><td>You can specify a URL, which turns the whole item into a clickable target. When the user clicks on the item,
|
||
the item is no longer shown to the user. The special value `latest_release` can be used here to introduce a link
|
||
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