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<button id=search_close type=reset aria-label="Cancel Search"><i class="far fa-lg fa-times-circle"></i></button></form></div></nav></header><div class=container-fluid><div class="row row-offcanvas"><div class="col-0 col-md-3 col-xl-2 sidebar-offcanvas"><nav class="sidebar d-print-none"><div class=spacer></div><div class=directory role=tablist><div class=card><div class=card-header role=tab id=header10><a data-toggle=collapse href=#collapse10 title="Learn about the different parts of the Istio system and the abstractions it uses." role=button aria-controls=collapse10><div><img src=/v1.0/img/concepts.svg alt=Icon class=page_icon>
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Concepts</div></a></div><div id=collapse10 class=collapse data-parent=#sidebar role=tabpanel aria-labelledby=header10><div class=card-body><ul class=tree><li><a title="Introduces Istio, the problems it solves, its high-level architecture and design goals." href=/v1.0/docs/concepts/what-is-istio/>What is Istio?</a></li><li><a title="Describes the various Istio features focused on traffic routing and control." href=/v1.0/docs/concepts/traffic-management/>Traffic Management</a></li><li><a title="Describes Istio's authorization and authentication functionality." href=/v1.0/docs/concepts/security/>Security</a></li><li><a title="Describes the policy enforcement and telemetry mechanisms." href=/v1.0/docs/concepts/policies-and-telemetry/>Policies and Telemetry</a></li><li><a title="Introduces Performance and Scalability methodology, results and best practices for Istio components." href=/v1.0/docs/concepts/performance-and-scalability/>Performance and Scalability</a></li></ul></div></div></div><div class=card><div class=card-header role=tab id=header20><a data-toggle=collapse href=#collapse20 title="How to deploy Istio in various environments (e.g., Kubernetes, Consul)." role=button aria-controls=collapse20><div><img src=/v1.0/img/setup.svg alt=Icon class=page_icon>
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Setup</div></a></div><div id=collapse20 class="collapse show" data-parent=#sidebar role=tabpanel aria-labelledby=header20><div class=card-body><ul class=tree><li class=sublist><label class=tree-toggle><i class="fa fa-lg fa-caret-down"></i><a title="Instructions for installing the Istio control plane on Kubernetes and adding virtual machines into the mesh." href=/v1.0/docs/setup/kubernetes/>Kubernetes</a></label><ul class=tree><li><a title="Instructions to download the Istio release." href=/v1.0/docs/setup/kubernetes/download-release/>Downloading the Release</a></li><li class=sublist><label class=tree-toggle><i class="fa fa-lg fa-caret-right"></i><a title="How to prepare various Kubernetes platforms before installing Istio." href=/v1.0/docs/setup/kubernetes/platform-setup/>Platform Setup</a></label><ul class="tree collapse"><li><a title="Instructions to setup an Alibaba Cloud Kubernetes cluster for Istio." href=/v1.0/docs/setup/kubernetes/platform-setup/alicloud/>Alibaba Cloud</a></li><li><a title="Instructions to setup an AWS cluster with Kops cluster for Istio." href=/v1.0/docs/setup/kubernetes/platform-setup/aws/>Amazon Web Services</a></li><li><a title="Instructions to setup an Azure cluster for Istio." href=/v1.0/docs/setup/kubernetes/platform-setup/azure/>Azure</a></li><li><a title="Instructions to setup a Google Kubernetes Engine cluster for Istio." href=/v1.0/docs/setup/kubernetes/platform-setup/gke/>Google Kubernetes Engine</a></li><li><a title="Instructions to setup an IBM Cloud cluster for Istio." href=/v1.0/docs/setup/kubernetes/platform-setup/ibm/>IBM Cloud</a></li><li><a title="Instructions to setup Minikube for use with Istio." href=/v1.0/docs/setup/kubernetes/platform-setup/minikube/>Minikube</a></li><li><a title="Instructions to setup an OpenShift cluster for Istio." href=/v1.0/docs/setup/kubernetes/platform-setup/openshift/>OpenShift</a></li><li><a title="Instructions to setup an OKE cluster for Istio." href=/v1.0/docs/setup/kubernetes/platform-setup/oci/>Oracle Cloud Infrastructure</a></li></ul></li><li><a title="Instructions to setup the Istio service mesh in a Kubernetes cluster." href=/v1.0/docs/setup/kubernetes/quick-start/>Quick Start with Kubernetes</a></li><li><a title="How to quickly setup Istio using Alibaba Cloud Kubernetes Container Service." href=/v1.0/docs/setup/kubernetes/quick-start-alicloud-ack/>Quick Start with Alibaba Cloud Kubernetes Container Service</a></li><li><a title="How to quickly setup Istio using IBM Cloud Public or IBM Cloud Private." href=/v1.0/docs/setup/kubernetes/quick-start-ibm/>Quick Start with IBM Cloud</a></li><li><a title="Install Istio with the included Helm chart." href=/v1.0/docs/setup/kubernetes/helm-install/>Installation with Helm</a></li><li><a title="Instructions for installing the Istio sidecar in application pods automatically using the sidecar injector webhook or manually using istioctl CLI." href=/v1.0/docs/setup/kubernetes/sidecar-injection/>Installing the sidecar</a></li><li><a title="Install minimal Istio using Helm." href=/v1.0/docs/setup/kubernetes/minimal-install/>Minimal Istio Installation</a></li><li><a title="Install Istio with the included Ansible playbook." href=/v1.0/docs/setup/kubernetes/ansible-install/>Installation with Ansible</a></li><li><a title="Instructions for integrating VMs and bare metal hosts into an Istio mesh deployed on Kubernetes." href=/v1.0/docs/setup/kubernetes/mesh-expansion/>Mesh Expansion</a></li><li><a title="Install Istio with multicluster support." href=/v1.0/docs/setup/kubernetes/multicluster-install/>Istio Multicluster</a></li><li><a title="How to quickly setup Istio using Google Kubernetes Engine (GKE)." href=/v1.0/docs/setup/kubernetes/quick-start-gke/>Quick Start with Google Kubernetes Engine</a></li><li><span class=current title="Demonstrates how to upgrade the Istio control plane and data plane independently.">Upgrading Istio</span></li><li><a title="Describes the requirements for Kubernetes pods and services to run Istio." href=/v1.0/docs/setup/kubernetes/spec-requirements/>Requirements for Pods and Services</a></li></ul></li><li class=sublist><label class=tree-toggle><i class="fa fa-lg fa-caret-right"></i><a title="Instructions for installing the Istio control plane in a Consul based environment, with or without Nomad." href=/v1.0/docs/setup/consul/>Nomad & Consul</a></label><ul class="tree collapse"><li><a title="Quick Start instructions to setup the Istio service mesh with Docker Compose." href=/v1.0/docs/setup/consul/quick-start/>Quick Start on Docker</a></li><li><a title="Instructions for installing the Istio control plane in a Consul-based environment, with or without Nomad." href=/v1.0/docs/setup/consul/install/>Installation</a></li></ul></li></ul></div></div></div><div class=card><div class=card-header role=tab id=header33><a data-toggle=collapse href=#collapse33 title="How to do single specific targeted activities with the Istio system." role=button aria-controls=collapse33><div><img src=/v1.0/img/tasks.svg alt=Icon class=page_icon>
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Tasks</div></a></div><div id=collapse33 class=collapse data-parent=#sidebar role=tabpanel aria-labelledby=header33><div class=card-body><ul class=tree><li class=sublist><label class=tree-toggle><i class="fa fa-lg fa-caret-right"></i><a title="Tasks that demonstrate Istio's traffic routing features." href=/v1.0/docs/tasks/traffic-management/>Traffic Management</a></label><ul class="tree collapse"><li><a title="This task shows you how to configure dynamic request routing to multiple versions of a microservice." href=/v1.0/docs/tasks/traffic-management/request-routing/>Configuring Request Routing</a></li><li><a title="This task shows you how to inject faults to test the resiliency of your application." href=/v1.0/docs/tasks/traffic-management/fault-injection/>Fault Injection</a></li><li><a title="Shows you how to migrate traffic from an old to new version of a service." href=/v1.0/docs/tasks/traffic-management/traffic-shifting/>Traffic Shifting</a></li><li><a title="This task shows you how to setup request timeouts in Envoy using Istio." href=/v1.0/docs/tasks/traffic-management/request-timeouts/>Setting Request Timeouts</a></li><li><a title="Describes how to configure Istio to expose a service outside of the service mesh." href=/v1.0/docs/tasks/traffic-management/ingress/>Control Ingress Traffic</a></li><li><a title="Describes how to configure Istio to expose a service outside of the service mesh, over TLS, mutual TLS or JWT authentication." href=/v1.0/docs/tasks/traffic-management/secure-ingress/>Securing Gateways with HTTPS</a></li><li><a title="Describes how to configure Istio to route traffic from services in the mesh to external services." href=/v1.0/docs/tasks/traffic-management/egress/>Control Egress Traffic</a></li><li><a title="This task shows you how to configure circuit breaking for connections, requests, and outlier detection." href=/v1.0/docs/tasks/traffic-management/circuit-breaking/>Circuit Breaking</a></li><li><a title="This task demonstrates the traffic mirroring/shadowing capabilities of Istio." href=/v1.0/docs/tasks/traffic-management/mirroring/>Mirroring</a></li><li><a title="Shows how to do health checking for Istio services." href=/v1.0/docs/tasks/traffic-management/app-health-check/>Health Checking of Istio Services</a></li></ul></li><li class=sublist><label class=tree-toggle><i class="fa fa-lg fa-caret-right"></i><a title="Demonstrates how to secure the mesh." href=/v1.0/docs/tasks/security/>Security</a></label><ul class="tree collapse"><li><a title="Shows you how to use Istio authentication policy to setup mutual TLS and basic end-user authentication." href=/v1.0/docs/tasks/security/authn-policy/>Authentication Policy</a></li><li><a title="Shows you how to verify and test Istio's automatic mutual TLS authentication." href=/v1.0/docs/tasks/security/mutual-tls/>Mutual TLS Deep-Dive</a></li><li><a title="Shows how to set up role-based access control for services in the mesh." href=/v1.0/docs/tasks/security/role-based-access-control/>Authorization</a></li><li><a title="Shows how operators can configure Citadel with existing root certificate, signing certificate and key." href=/v1.0/docs/tasks/security/plugin-ca-cert/>Plugging in external CA key and certificate</a></li><li><a title="Shows how to enable Citadel health checking with Kubernetes." href=/v1.0/docs/tasks/security/health-check/>Citadel health checking</a></li><li><a title="Shows you how to incrementally migrate your Istio services to mutual TLS." href=/v1.0/docs/tasks/security/mtls-migration/>Mutual TLS Migration</a></li><li><a title="Shows how to enable mutual TLS on HTTPS services." href=/v1.0/docs/tasks/security/https-overlay/>Mutual TLS over HTTPS</a></li></ul></li><li class=sublist><label class=tree-toggle><i class="fa fa-lg fa-caret-right"></i><a title="Demonstrates policy enforcement features." href=/v1.0/docs/tasks/policy-enforcement/>Policies</a></label><ul class="tree collapse"><li><a title="This task shows you how to use Istio to dynamically limit the traffic to a service." href=/v1.0/docs/tasks/policy-enforcement/rate-limiting/>Enabling Rate Limits</a></li><li><a title="Shows how to control access to a service using simple denials or white/black listing." href=/v1.0/docs/tasks/policy-enforcement/denial-and-list/>Denials and White/Black Listing</a></li></ul></li><li class=sublist><label class=tree-toggle><i class="fa fa-lg fa-caret-right"></i><a title="Demonstrates how to collect telemetry information from the mesh." href=/v1.0/docs/tasks/telemetry/>Telemetry</a></label><ul class="tree collapse"><li><a title="How to configure the proxies to send tracing requests to Zipkin or Jaeger." href=/v1.0/docs/tasks/telemetry/distributed-tracing/>Distributed Tracing</a></li><li><a title="This task shows you how to configure Istio to collect metrics and logs." href=/v1.0/docs/tasks/telemetry/metrics-logs/>Collecting Metrics and Logs</a></li><li><a title="This task shows you how to configure Istio to collect metrics for TCP services." href=/v1.0/docs/tasks/telemetry/tcp-metrics/>Collecting Metrics for TCP services</a></li><li><a title="This task shows you how to query for Istio Metrics using Prometheus." href=/v1.0/docs/tasks/telemetry/querying-metrics/>Querying Metrics from Prometheus</a></li><li><a title="This task shows you how to setup and use the Istio Dashboard to monitor mesh traffic." href=/v1.0/docs/tasks/telemetry/using-istio-dashboard/>Visualizing Metrics with Grafana</a></li><li><a title="This task shows you how to visualize your services within an Istio mesh." href=/v1.0/docs/tasks/telemetry/kiali/>Visualizing Your Mesh</a></li><li><a title="This task shows you how to generate a graph of services within an Istio mesh." href=/v1.0/docs/tasks/telemetry/servicegraph/>Generating a Service Graph</a></li><li><a title="This task shows you how to configure Istio to log to a Fluentd daemon." href=/v1.0/docs/tasks/telemetry/fluentd/>Logging with Fluentd</a></li></ul></li></ul></div></div></div><div class=card><div class=card-header role=tab id=header46><a data-toggle=collapse href=#collapse46 title="A variety of fully working example uses for Istio that you can experiment with." role=button aria-controls=collapse46><div><img src=/v1.0/img/examples.svg alt=Icon class=page_icon>
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Examples</div></a></div><div id=collapse46 class=collapse data-parent=#sidebar role=tabpanel aria-labelledby=header46><div class=card-body><ul class=tree><li><a title="Deploys a sample application composed of four separate microservices used to demonstrate various Istio features." href=/v1.0/docs/examples/bookinfo/>Bookinfo Application</a></li><li><a title="Demonstrates how to use various traffic management capabilities of an Istio service mesh." href=/v1.0/docs/examples/intelligent-routing/>Intelligent Routing</a></li><li><a title="Demonstrates how to obtain uniform metrics, logs, traces across different services using Istio Mixer and Istio sidecar." href=/v1.0/docs/examples/telemetry/>In-Depth Telemetry</a></li><li><a title="Explains how to manually integrate Google Cloud Endpoints services with Istio." href=/v1.0/docs/examples/endpoints/>Install Istio for Google Cloud Endpoints Services</a></li><li><a title="Illustrates how to use Istio to control a Kubernetes cluster and raw VMs as a single mesh." href=/v1.0/docs/examples/integrating-vms/>Integrating Virtual Machines</a></li><li class=sublist><label class=tree-toggle><i class="fa fa-lg fa-caret-right"></i><a title="A variety of fully working examples for egress traffic control in Istio that you can experiment with." href=/v1.0/docs/examples/advanced-egress/>Advanced egress traffic control</a></label><ul class="tree collapse"><li><a title="Describes how to configure Istio to perform TLS origination for traffic to external services." href=/v1.0/docs/examples/advanced-egress/egress-tls-origination/>TLS Origination for Egress Traffic</a></li><li><a title="Describes how to configure Istio to direct traffic to external services through a dedicated gateway." href=/v1.0/docs/examples/advanced-egress/egress-gateway/>Configure an Egress Gateway</a></li></ul></li><li class=sublist><label class=tree-toggle><i class="fa fa-lg fa-caret-right"></i><a title="A variety of fully working multicluster examples for Istio that you can experiment with." href=/v1.0/docs/examples/multicluster/>Enabling multiclusters</a></label><ul class="tree collapse"><li><a title="Example multicluster GKE install of Istio." href=/v1.0/docs/examples/multicluster/gke/>Google Kubernetes Engine</a></li><li><a title="Example multicluster IBM Cloud Private install of Istio." href=/v1.0/docs/examples/multicluster/icp/>IBM Cloud Private</a></li><li><a title="Example multicluster between IBM Cloud Kubernetes Service & IBM Cloud Private." href=/v1.0/docs/examples/multicluster/iks-icp/>IBM Cloud Kubernetes Service & IBM Cloud Private</a></li></ul></li></ul></div></div></div><div class=card><div class=card-header role=tab id=header78><a data-toggle=collapse href=#collapse78 title="Detailed authoritative reference material such as command-line options, configuration options, and API calling parameters." role=button aria-controls=collapse78><div><img src=/v1.0/img/reference.svg alt=Icon class=page_icon>
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Reference</div></a></div><div id=collapse78 class=collapse data-parent=#sidebar role=tabpanel aria-labelledby=header78><div class=card-body><ul class=tree><li class=sublist><label class=tree-toggle><i class="fa fa-lg fa-caret-right"></i><a title="Detailed information on configuration options." href=/v1.0/docs/reference/config/>Configuration</a></label><ul class="tree collapse"><li class=sublist><label class=tree-toggle><i class="fa fa-lg fa-caret-right"></i><a title="Describes how to configure Istio's authorization features." href=/v1.0/docs/reference/config/authorization/>Authorization</a></label><ul class="tree collapse"><li><a title="Describes the supported constraints and properties." href=/v1.0/docs/reference/config/authorization/constraints-and-properties/>Constraints and Properties</a></li><li><a title="Configuration for Role Based Access Control." href=/v1.0/docs/reference/config/authorization/istio.rbac.v1alpha1/>RBAC</a></li></ul></li><li><a title="Describes the options available when installing Istio using the included Helm chart." href=/v1.0/docs/reference/config/installation-options/>Installation Options</a></li><li class=sublist><label class=tree-toggle><i class="fa fa-lg fa-caret-right"></i><a title="Describes how to configure Istio's policy and telemetry features." href=/v1.0/docs/reference/config/policy-and-telemetry/>Policies and Telemetry</a></label><ul class="tree collapse"><li><a title="Describes the base attribute vocabulary used for policy and control." href=/v1.0/docs/reference/config/policy-and-telemetry/attribute-vocabulary/>Attribute Vocabulary</a></li><li><a title="Mixer configuration expression language reference." href=/v1.0/docs/reference/config/policy-and-telemetry/expression-language/>Expression Language</a></li><li class=sublist><label class=tree-toggle><i class="fa fa-lg fa-caret-right"></i><a title="Mixer adapters allow Istio to interface to a variety of infrastructure backends for such things as metrics and logs." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/>Adapters</a></label><ul class="tree collapse"><li><a title="Adapter for Apigee's distributed policy checks and analytics." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/apigee/>Apigee</a></li><li><a title="Adapter for circonus.com's monitoring solution." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/circonus/>Circonus</a></li><li><a title="Adapter for cloudwatch metrics." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/cloudwatch/>CloudWatch</a></li><li><a title="Adapter to deliver metrics to a dogstatsd agent for delivery to DataDog." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/datadog/>Datadog</a></li><li><a title="Adapter that always returns a precondition denial." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/denier/>Denier</a></li><li><a title="Adapter that delivers logs to a fluentd daemon." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/fluentd/>Fluentd</a></li><li><a title="Adapter that extracts information from a Kubernetes environment." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/kubernetesenv/>Kubernetes Env</a></li><li><a title="Adapter that performs whitelist or blacklist checks." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/list/>List</a></li><li><a title="Adapter for a simple in-memory quota management system." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/memquota/>Memory quota</a></li><li><a title="Adapter that implements an Open Policy Agent engine." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/opa/>OPA</a></li><li><a title="Adapter that exposes Istio metrics for ingestion by a Prometheus harvester." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/prometheus/>Prometheus</a></li><li><a title="Adapter that exposes Istio's Role-Based Access Control model." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/rbac/>RBAC</a></li><li><a title="Adapter for a Redis-based quota management system." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/redisquota/>Redis Quota</a></li><li><a title="Adapter that delivers logs and metrics to Google Service Control." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/servicecontrol/>Service Control</a></li><li><a title="Adapter that sends Istio metrics to SignalFx." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/signalfx/>SignalFx</a></li><li><a title="Adapter to deliver logs and metrics to Papertrail and AppOptics backends." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/solarwinds/>SolarWinds</a></li><li><a title="Adapter to deliver logs, metrics, and traces to Stackdriver." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/stackdriver/>Stackdriver</a></li><li><a title="Adapter to deliver metrics to a StatsD backend." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/statsd/>StatsD</a></li><li><a title="Adapter for outputting logs and metrics locally." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/stdio/>Stdio</a></li><li><a title="Adapter to deliver metrics to Wavefront by VMware." href=/v1.0/docs/reference/config/policy-and-telemetry/adapters/wavefront/>Wavefront by VMware</a></li></ul></li><li><a title="Default Metrics exported from Istio through Mixer." href=/v1.0/docs/reference/config/policy-and-telemetry/metrics/>Default Metrics</a></li><li class=sublist><label class=tree-toggle><i class="fa fa-lg fa-caret-right"></i><a title="Mixer templates are used to send data to individual adapters." href=/v1.0/docs/reference/config/policy-and-telemetry/templates/>Templates</a></label><ul class="tree collapse"><li><a title="The Analytics template is used to dispatch runtime telemetry to Apigee." href=/v1.0/docs/reference/config/policy-and-telemetry/templates/analytics/>Analytics</a></li><li><a title="A template that represents a single API key." href=/v1.0/docs/reference/config/policy-and-telemetry/templates/apikey/>API Key</a></li><li><a title="A template used to represent an access control query." href=/v1.0/docs/reference/config/policy-and-telemetry/templates/authorization/>Authorization</a></li><li><a title="A template that carries no data, useful for testing." href=/v1.0/docs/reference/config/policy-and-telemetry/templates/checknothing/>Check Nothing</a></li><li><a title="A template that is used to control the production of Kubernetes-specific attributes." href=/v1.0/docs/reference/config/policy-and-telemetry/templates/kubernetes/>Kubernetes</a></li><li><a title="A template designed to let you perform list checking operations." href=/v1.0/docs/reference/config/policy-and-telemetry/templates/listentry/>List Entry</a></li><li><a title="A template that represents a single runtime log entry." href=/v1.0/docs/reference/config/policy-and-telemetry/templates/logentry/>Log Entry</a></li><li><a title="A template that represents a single runtime metric." href=/v1.0/docs/reference/config/policy-and-telemetry/templates/metric/>Metric</a></li><li><a title="A template that represents a quota allocation request." href=/v1.0/docs/reference/config/policy-and-telemetry/templates/quota/>Quota</a></li><li><a title="A template that carries no data, useful for testing." href=/v1.0/docs/reference/config/policy-and-telemetry/templates/reportnothing/>Report Nothing</a></li><li><a title="A template used by the Google Service Control adapter." href=/v1.0/docs/reference/config/policy-and-telemetry/templates/servicecontrolreport/>Service Control Report</a></li><li><a title="A template that represents\ an individual span within a distributed trace." href=/v1.0/docs/reference/config/policy-and-telemetry/templates/tracespan/>Trace Span</a></li></ul></li><li><a title="Describes the rules used to configure Mixer's policy and telemetry features." href=/v1.0/docs/reference/config/policy-and-telemetry/istio.policy.v1beta1/>Rules</a></li></ul></li><li><a title="Authentication policy for Istio services." href=/v1.0/docs/reference/config/istio.authentication.v1alpha1/>Authentication Policy</a></li><li><a title="Configuration affecting traffic routing." href=/v1.0/docs/reference/config/istio.networking.v1alpha3/>Traffic Routing</a></li></ul></li><li class=sublist><label class=tree-toggle><i class="fa fa-lg fa-caret-right"></i><a title="Describes usage and options of the Istio commands and utilities." href=/v1.0/docs/reference/commands/>Commands</a></label><ul class="tree collapse"><li><a title="Galley provides configuration management services for Istio." href=/v1.0/docs/reference/commands/galley/>galley</a></li><li><a title="Istio Certificate Authority (CA)." href=/v1.0/docs/reference/commands/istio_ca/>istio_ca</a></li><li><a title="Istio control interface." href=/v1.0/docs/reference/commands/istioctl/>istioctl</a></li><li><a title="Utility to trigger direct calls to Mixer's API." href=/v1.0/docs/reference/commands/mixc/>mixc</a></li><li><a title="Mixer is Istio's abstraction on top of infrastructure backends." href=/v1.0/docs/reference/commands/mixs/>mixs</a></li><li><a title="Istio security per-node agent." href=/v1.0/docs/reference/commands/node_agent/>node_agent</a></li><li><a title="Istio Pilot agent." href=/v1.0/docs/reference/commands/pilot-agent/>pilot-agent</a></li><li><a title="Istio Pilot." href=/v1.0/docs/reference/commands/pilot-discovery/>pilot-discovery</a></li><li><a title="Kubernetes webhook for automatic Istio sidecar injection." href=/v1.0/docs/reference/commands/sidecar-injector/>sidecar-injector</a></li></ul></li></ul></div></div></div></div></nav></div><div class="col-12 col-md-9 col-xl-8"><p class=d-md-none><label class=sidebar-toggler data-toggle=offcanvas><i class="fa fa-sign-out-alt"></i></label></p><main aria-labelledby=title><div class=pagenav><p><a href=/v1.0/docs/setup/kubernetes/ title="Instructions for installing the Istio control plane on Kubernetes and adding virtual machines into the mesh."><i style=transform:scaleX(-1) class="fa fa-level-up-alt"></i> Kubernetes</a></p></div><h1 id=title>Upgrading Istio</h1><nav class="toc-inlined d-xl-none d-print-none"><hr><div class=directory role=directory><nav id=InlinedTableOfContents><ul><li><a href=#upgrade-steps>Upgrade steps</a></li><ul><li><a href=#control-plane-upgrade>Control plane upgrade</a></li><ul><li><a href=#helm-upgrade>Helm upgrade</a></li><li><a href=#kubernetes-rolling-update>Kubernetes rolling update</a></li></ul><li><a href=#sidecar-upgrade>Sidecar upgrade</a></li></ul><li><a href=#migrating-to-the-new-networking-apis>Migrating to the new networking APIs</a></li><li><a href=#migrating-per-service-mutual-tls-enablement-via-annotations-to-authentication-policy>Migrating per-service mutual TLS enablement via annotations to authentication policy</a></li><li><a href=#migrating-the-mtls-excluded-services-configuration-to-destination-rules>Migrating the <code>mtls_excluded_services</code> configuration to destination rules</a></li><li><a href=#see-also>See also</a></li></ul></nav></div><hr></nav><p>This page describes how to upgrade an existing Istio deployment (including both control plane and sidecar proxy) to a new release of Istio.
|
||
The upgrade process may install new binaries and may change configuration and API schemas. The upgrade process
|
||
may result in service downtime. To minimize downtime, please ensure your Istio control plane components and your applications
|
||
are highly available with multiple replicas.</p><p>In the following steps, we assume that the Istio components are installed and upgraded in the <code>istio-system</code> namespace.</p><h2 id=upgrade-steps>Upgrade steps</h2><ol><li><p><a href=/v1.0/docs/setup/kubernetes/download-release/>Download the new Istio release</a>
|
||
and change directory to the new release directory.</p></li><li><p>Upgrade Istio's <a href=https://kubernetes.io/docs/concepts/extend-kubernetes/api-extension/custom-resources/#customresourcedefinitions>Custom Resource Definitions</a>
|
||
via <code>kubectl apply</code>, and wait a few seconds for the CRDs to be committed in the kube-apiserver:</p></li></ol><pre><code class=language-command>$ kubectl apply -f @install/kubernetes/helm/istio/templates/crds.yaml@ -n istio-system</code></pre><a hidden style=display:none href=https://raw.githubusercontent.com/istio/istio/release-1.0/install/kubernetes/helm/istio/templates/crds.yaml></a><h3 id=control-plane-upgrade>Control plane upgrade</h3><p>The Istio control plane components include: Citadel, Ingress gateway, Egress gateway, Pilot, Policy, Telemetry and
|
||
Sidecar injector.</p><h4 id=helm-upgrade>Helm upgrade</h4><p>If you installed Istio with <a href=/v1.0/docs/setup/kubernetes/helm-install/#option-2-install-with-helm-and-tiller-via-helm-install>Helm</a> the preferred upgrade option is to let Helm take care of the upgrade:</p><pre><code class=language-command>$ helm upgrade istio install/kubernetes/helm/istio --namespace istio-system</code></pre><h4 id=kubernetes-rolling-update>Kubernetes rolling update</h4><p>You can also use Kubernetes’ rolling update mechanism to upgrade the control plane components. This is suitable for cases when Istio hasn't been installed using Helm.</p><p>First, generate the desired Istio control plane yaml file, e.g.</p><pre><code class=language-command>$ helm template install/kubernetes/helm/istio --name istio \
|
||
--namespace istio-system > install/kubernetes/istio.yaml</code></pre><p>or</p><pre><code class=language-command>$ helm template install/kubernetes/helm/istio --name istio \
|
||
--namespace istio-system --set global.mtls.enabled=true > install/kubernetes/istio-auth.yaml</code></pre><p>If using Kubernetes versions prior to 1.9, you should add <code>--set sidecarInjectorWebhook.enabled=false</code>.</p><p>Second, simply apply the new version of the desired Istio control plane yaml file directly, e.g.</p><pre><code class=language-command>$ kubectl apply -f install/kubernetes/istio.yaml</code></pre><p>or</p><pre><code class=language-command>$ kubectl apply -f install/kubernetes/istio-auth.yaml</code></pre><p>The rolling update process will upgrade all deployments and configmaps to the new version. After this process finishes,
|
||
your Istio control plane should be updated to the new version. Your existing application should continue to work without
|
||
any change, using the Envoy v1 proxy and the v1alpha1 route rules. If there is any critical issue with the new control plane,
|
||
you can rollback the changes by applying the yaml files from the old version.</p><h3 id=sidecar-upgrade>Sidecar upgrade</h3><p>After the control plane upgrade, the applications already running Istio will still be using an older sidecar. To upgrade the sidecar,
|
||
you will need to re-inject it.</p><p>If you're using automatic sidecar injection, you can upgrade the sidecar
|
||
by doing a rolling update for all the pods, so that the new version of the
|
||
sidecar will be automatically re-injected. There are some tricks to reload
|
||
all pods. E.g. There is a <a href=https://gist.github.com/jmound/ff6fa539385d1a057c82fa9fa739492e>bash script</a>
|
||
which triggers the rolling update by patching the grace termination period.</p><p>If you're using manual injection, you can upgrade the
|
||
sidecar by executing:</p><pre><code class=language-command>$ kubectl apply -f <(istioctl kube-inject -f $ORIGINAL_DEPLOYMENT_YAML)</code></pre><p>If the sidecar was previously injected with some customized inject configuration
|
||
files, you will need to change the version tag in the configuration files to the new
|
||
version and re-inject the sidecar as follows:</p><pre><code class=language-command>$ kubectl apply -f <(istioctl kube-inject \
|
||
--injectConfigFile inject-config.yaml \
|
||
--filename $ORIGINAL_DEPLOYMENT_YAML)</code></pre><h2 id=migrating-to-the-new-networking-apis>Migrating to the new networking APIs</h2><p>Once you've upgraded the control plane and sidecar, you can gradually update your deployment to use the new Envoy sidecar. You can do this by using
|
||
one of the options below:</p><ul><li><p>Add the following to your pod annotation for your deployment:</p><pre><code class=language-yaml>kind: Deployment
|
||
...
|
||
spec:
|
||
template:
|
||
metadata:
|
||
annotations:
|
||
sidecar.istio.io/proxyImage: docker.io/istio/proxyv2:0.8.0</code></pre><p>Then replace your deployment with your updated application yaml file:</p><pre><code class=language-command>$ kubectl replace -f $UPDATED_DEPLOYMENT_YAML</code></pre></li></ul><p>or</p><ul><li><p>Use an <code>injectConfigFile</code> that has <code>docker.io/istio/proxyv2:0.8.0</code> as the proxy image. If you don't have an <code>injectConfigFile</code>, you can
|
||
<a href=/v1.0/docs/setup/kubernetes/sidecar-injection/#manual-sidecar-injection>generate one</a>. <code>injectConfigFile</code> is recommended if you need to add
|
||
the <code>sidecar.istio.io/proxyImage</code> annotations in multiple deployment definitions.</p><pre><code class=language-command>$ kubectl replace -f <(istioctl kube-inject --injectConfigFile inject-config.yaml -f $ORIGINAL_DEPLOYMENT_YAML)</code></pre></li></ul><p>Next, use <code>istioctl experimental convert-networking-config</code> to convert your existing ingress or route rules:</p><ol><li><p>If your yaml file contains more than the ingress definition such as deployment or service definition, move the ingress definition out to a separate yaml file for the <code>istioctl experimental convert-networking-config</code> tool to process.</p></li><li><p>Execute the following to generate the new network configuration file, where replacing FILE*.yaml with your ingress file or deprecated route rule files.
|
||
*Tip: Make sure to feed all the files using <code>-f</code> for one or more deployments.*</p><pre><code class=language-command>$ istioctl experimental convert-networking-configuration-f FILE1.yaml -f FILE2.yaml -f FILE3.yaml > UPDATED_NETWORK_CONFIG.yaml</code></pre></li><li><p>Edit <code>UPDATED_NETWORK_CONFIG.yaml</code> to update all namespace references to your desired namespace.
|
||
There is a known issue with the <code>convert-networking-config</code> tool where the <code>istio-system</code> namespace
|
||
is used incorrectly. Further, ensure the <code>hosts</code> value is correct.</p></li><li><p>Deploy the updated network configuration file:</p><pre><code class=language-command>$ kubectl replace -f UPDATED_NETWORK_CONFIG.yaml</code></pre></li></ol><p>When all your applications have been migrated and tested, you can repeat the Istio upgrade process, removing the
|
||
<code>--set global.proxy.image=proxy</code> option. This will set the default proxy to <code>docker.io/istio/proxyv2</code> for all
|
||
sidecars injected in the future.</p><h2 id=migrating-per-service-mutual-tls-enablement-via-annotations-to-authentication-policy>Migrating per-service mutual TLS enablement via annotations to authentication policy</h2><p>If you use service annotations to override global mutual TLS enablement for a service, you need to replace it with
|
||
<a href=/v1.0/docs/concepts/security/#authentication-policies>authentication policy</a> and <a href=/v1.0/docs/concepts/traffic-management/#destination-rules>destination rules</a>.</p><p>For example, if you install Istio with mutual TLS enabled, and disable it for service <code>foo</code> using a service annotation like below:</p><pre><code class=language-yaml>kind: Service
|
||
metadata:
|
||
name: foo
|
||
namespace: bar
|
||
annotations:
|
||
auth.istio.io/8000: NONE</code></pre><p>You need to replace this with this authentication policy and destination rule (deleting the old annotation is optional)</p><pre><code class=language-yaml>apiVersion: "authentication.istio.io/v1alpha1"
|
||
kind: "Policy"
|
||
metadata:
|
||
name: "disable-mTLS-foo"
|
||
namespace: bar
|
||
spec:
|
||
targets:
|
||
- name: foo
|
||
ports:
|
||
- number: 8000
|
||
peers:
|
||
---
|
||
apiVersion: "networking.istio.io/v1alpha3"
|
||
kind: "DestinationRule"
|
||
metadata:
|
||
name: "disable-mTLS-foo"
|
||
namespace: "bar"
|
||
spec:
|
||
host: "foo"
|
||
trafficPolicy:
|
||
tls:
|
||
mode: ISTIO_MUTUAL
|
||
portLevelSettings:
|
||
- port:
|
||
number: 8000
|
||
tls:
|
||
mode: DISABLE</code></pre><p>If you already have destination rules for <code>foo</code>, you must edit that rule instead of creating a new one.
|
||
When create a new destination rule, make sure to include other settings, i.e <code>load balancer</code>, <code>connection pool</code> and <code>outlier detection</code> if necessary.
|
||
Finally, If <code>foo</code> doesn't have sidecar, you can skip authentication policy, but still need to add destination rule.</p><p>If 8000 is the only port that service <code>foo</code> provides (or you want to disable mutual TLS for all ports), the policies can be simplified as:</p><pre><code class=language-yaml>apiVersion: "authentication.istio.io/v1alpha1"
|
||
kind: "Policy"
|
||
metadata:
|
||
name: "disable-mTLS-foo"
|
||
namespace: bar
|
||
spec:
|
||
targets:
|
||
- name: foo
|
||
peers:
|
||
---
|
||
apiVersion: "networking.istio.io/v1alpha3"
|
||
kind: "DestinationRule"
|
||
metadata:
|
||
name: "disable-mTLS-foo"
|
||
namespace: "bar"
|
||
spec:
|
||
host: "foo"
|
||
trafficPolicy:
|
||
tls:
|
||
mode: DISABLE</code></pre><h2 id=migrating-the-mtls-excluded-services-configuration-to-destination-rules>Migrating the <code>mtls_excluded_services</code> configuration to destination rules</h2><p>If you installed Istio with mutual TLS enabled, and used the mesh configuration option <code>mtls_excluded_services</code> to
|
||
disable mutual TLS when connecting to these services (e.g Kubernetes API server), you need to replace this by adding a destination rule. For example:</p><pre><code class=language-yaml>apiVersion: networking.istio.io/v1alpha3
|
||
kind: DestinationRule
|
||
metadata:
|
||
name: "kubernetes-master"
|
||
namespace: "default"
|
||
spec:
|
||
host: "kubernetes.default.svc.cluster.local"
|
||
trafficPolicy:
|
||
tls:
|
||
mode: DISABLE</code></pre><h2 id=see-also>See also</h2><div class=see-also><div class=container-fluid><div class=row><div class="col-xs-12 col-sm-6 col-xl-4"><p class=link><a href=/v1.0/docs/setup/kubernetes/download-release/>Downloading the Release</a></p><p class=desc>Instructions to download the Istio release.</p></div><div class="col-xs-12 col-sm-6 col-xl-4"><p class=link><a href=/v1.0/docs/examples/multicluster/gke/>Google Kubernetes Engine</a></p><p class=desc>Example multicluster GKE install of Istio.</p></div><div class="col-xs-12 col-sm-6 col-xl-4"><p class=link><a href=/v1.0/docs/setup/kubernetes/platform-setup/gke/>Google Kubernetes Engine</a></p><p class=desc>Instructions to setup a Google Kubernetes Engine cluster for Istio.</p></div><div class="col-xs-12 col-sm-6 col-xl-4"><p class=link><a href=/v1.0/docs/examples/multicluster/iks-icp/>IBM Cloud Kubernetes Service & IBM Cloud Private</a></p><p class=desc>Example multicluster between IBM Cloud Kubernetes Service & IBM Cloud Private.</p></div><div class="col-xs-12 col-sm-6 col-xl-4"><p class=link><a href=/v1.0/docs/examples/multicluster/icp/>IBM Cloud Private</a></p><p class=desc>Example multicluster IBM Cloud Private install of Istio.</p></div><div class="col-xs-12 col-sm-6 col-xl-4"><p class=link><a href=/v1.0/docs/reference/config/installation-options/>Installation Options</a></p><p class=desc>Describes the options available when installing Istio using the included Helm chart.</p></div></div></div></div></main><div class="container-fluid d-print-none"><br><div class=row><div class="col-6 pagenav"><p><a title="How to quickly setup Istio using Google Kubernetes Engine (GKE)." href=/v1.0/docs/setup/kubernetes/quick-start-gke/><i class="fa fa-long-arrow-alt-left"></i>Quick Start with Google Kubernetes Engine</a></p></div><div class="col-6 pagenav" style=text-align:right><p><a title="Describes the requirements for Kubernetes pods and services to run Istio." href=/v1.0/docs/setup/kubernetes/spec-requirements/>Requirements for Pods and Services
|
||
<i class="fa fa-long-arrow-alt-right"></i></a></p></div></div></div><div class="d-none d-print-block" aria-hidden=true><h2>Links</h2><ol id=endnotes></ol></div></div><div class="col-12 col-md-2 d-none d-xl-block d-print-none"><nav class=toc><div class=spacer></div><div id=toc class=directory role=directory><nav id=TableOfContents><ul><li><a href=#upgrade-steps>Upgrade steps</a></li><ul><li><a href=#control-plane-upgrade>Control plane upgrade</a></li><ul><li><a href=#helm-upgrade>Helm upgrade</a></li><li><a href=#kubernetes-rolling-update>Kubernetes rolling update</a></li></ul><li><a href=#sidecar-upgrade>Sidecar upgrade</a></li></ul><li><a href=#migrating-to-the-new-networking-apis>Migrating to the new networking APIs</a></li><li><a href=#migrating-per-service-mutual-tls-enablement-via-annotations-to-authentication-policy>Migrating per-service mutual TLS enablement via annotations to authentication policy</a></li><li><a href=#migrating-the-mtls-excluded-services-configuration-to-destination-rules>Migrating the <code>mtls_excluded_services</code> configuration to destination rules</a></li><li><a href=#see-also>See also</a></li></ul></nav></div></nav></div></div></div><footer class="d-print-none container-fluid"><div class=row><div class="col-5 col-lg-4" role=navigation><div class=container-fluid><div class=row><div class=icon><span>discuss</span>
|
||
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<a title="Interactively discuss issues with the Istio community on Slack" href=https://istio.slack.com aria-label=slack><svg viewBox="0 0 31.444 31.443"><path d="M31.202 16.369c-.62-1.388-2.249-2.011-3.637-1.391l-1.325.594-3.396-7.591 1.325-.592c1.388-.622 2.01-2.25 1.389-3.637-.62-1.389-2.248-2.012-3.637-1.39l-1.324.593-.593-1.326c-.621-1.388-2.249-2.009-3.637-1.388-1.388.62-2.009 2.247-1.389 3.637l.593 1.325L7.98 8.598 7.388 7.273c-.621-1.39-2.249-2.009-3.637-1.39C2.363 6.504 1.742 8.132 2.362 9.52l.592 1.324L1.63 11.438c-1.388.621-2.01 2.247-1.389 3.636.62 1.388 2.249 2.01 3.637 1.39l1.325-.594 3.394 7.592-1.325.592c-1.388.621-2.009 2.25-1.389 3.637.621 1.389 2.249 2.011 3.637 1.391l1.324-.593.593 1.325c.621 1.389 2.249 2.01 3.637 1.389 1.387-.62 2.009-2.248 1.388-3.636l-.591-1.326 7.591-3.394.592 1.321c.621 1.391 2.248 2.013 3.637 1.392 1.388-.619 2.01-2.248 1.389-3.637l-.592-1.324 1.323-.594C31.201 19.384 31.823 17.757 31.202 16.369zM13.623 21.215l-3.395-7.593 7.591-3.394 3.395 7.591L13.623 21.215z"/></svg></a></div><div class=icon><span>twitter</span>
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<a title="Follow us on Twitter to get the latest news" href=https://twitter.com/IstioMesh aria-label=Twitter><svg viewBox="0 0 310 310"><path d="M302.973 57.388c-4.87 2.16-9.877 3.983-14.993 5.463 6.057-6.85 10.675-14.91 13.494-23.73.632-1.977-.023-4.141-1.648-5.434-1.623-1.294-3.878-1.449-5.665-.39-10.865 6.444-22.587 11.075-34.878 13.783-12.381-12.098-29.197-18.983-46.581-18.983-36.695.0-66.549 29.853-66.549 66.547.0 2.89.183 5.764.545 8.598C101.163 99.244 58.83 76.863 29.76 41.204c-1.036-1.271-2.632-1.956-4.266-1.825-1.635.128-3.104 1.05-3.93 2.467-5.896 10.117-9.013 21.688-9.013 33.461.0 16.035 5.725 31.249 15.838 43.137-3.075-1.065-6.059-2.396-8.907-3.977-1.529-.851-3.395-.838-4.914.033-1.52.871-2.473 2.473-2.513 4.224-.007.295-.007.59-.007.889.0 23.935 12.882 45.484 32.577 57.229-1.692-.169-3.383-.414-5.063-.735-1.732-.331-3.513.276-4.681 1.597-1.17 1.32-1.557 3.16-1.018 4.84 7.29 22.76 26.059 39.501 48.749 44.605-18.819 11.787-40.34 17.961-62.932 17.961-4.714.0-9.455-.277-14.095-.826-2.305-.274-4.509 1.087-5.294 3.279-.785 2.193.047 4.638 2.008 5.895 29.023 18.609 62.582 28.445 97.047 28.445 67.754.0 110.139-31.95 133.764-58.753 29.46-33.421 46.356-77.658 46.356-121.367.0-1.826-.028-3.67-.084-5.508 11.623-8.757 21.63-19.355 29.773-31.536 1.237-1.85 1.103-4.295-.33-5.998C307.394 57.037 305.009 56.486 302.973 57.388z"/></svg></a></div><div class=icon><span>stack overflow</span>
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<a title="Stack Overflow is where you can ask questions and find curated answers on deploying, configuring, and using Istio" href=https://stackoverflow.com/questions/tagged/istio aria-label="Stack Overflow"><svg viewBox="0 0 120 120"><polygon points="84.4,93.8 84.4,70.6 92.1,70.6 92.1,101.5 22.6,101.5 22.6,70.6 30.3,70.6 30.3,93.8"/><path d="M38.8 68.4l37.8 7.9 1.6-7.6-37.8-7.9L38.8 68.4zM43.8 50.4l35 16.3 3.2-7-35-16.4L43.8 50.4zM53.5 33.2l29.7 24.7 4.9-5.9L58.4 27.3 53.5 33.2zM72.7 14.9l-6.2 4.6 23 31 6.2-4.6-23-31zM38 86h38.6v-7.7H38V86z"/></svg></a></div></div><div class="tag row d-none d-lg-flex">for everyone</div></div></div><div class="col-7 col-lg-4"><p class="text-center copyright" role=contentinfo>Istio
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Archive
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1.0<br>© 2019 Istio Authors, <a href=https://policies.google.com/privacy>Privacy Policy</a><br>Archived on March 19, 2019</p></div><div class="col-6 col-lg-4 d-none d-lg-flex" role=navigation><div class=container-fluid><div class="row justify-content-end"><div class=icon><span>github</span>
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<a title="Access our team drive if you'd like to take a look at the Istio technical design documents" href=https://groups.google.com/forum/#!forum/istio-team-drive-access aria-label="team drive"><svg viewBox="0 0 207.027 207.027"><path d="M69.866 15.557.0 138.919l28.732 52.552 143.288-.029 35.008-59.588L136.39 15.735 69.866 15.557zM17.166 139.046 74.268 38.205 91.21 67.783 33.24 168.447 17.166 139.046zM99.841 82.851l23.805 41.558-47.732-.006L99.841 82.851zM163.434 176.443l-117.332.024 21.53-37.065 64.606.008.067.119 52.865-.085L163.434 176.443zM140.932 124.411 90.157 35.767l-2.966-5.178 40.751.121 57.003 93.706L140.932 124.411z"/></svg></a></div><div class=icon><span>working groups</span>
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