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value="utf-8" /> <input type="hidden" name="hl" value="en" /><div class="input-group"> <input name="q" class="form-control search-box" type="text" size="30" /> <button class="btn btn-search input-group-addon my-2 my-sm-0 fa fa-search" type="submit"></button></div></form></div></nav></header><div class="container-fluid"><div class="row row-offcanvas row-offcanvas-left"><div class="col-6 col-md-3 col-xl-2 sidebar-offcanvas"><nav class="sidebar"><div class="spacer"></div><div class="directory" role="tablist"><div class="card"><div class="card-header" role="tab" id="header1"> <a data-toggle="collapse" href="#collapse1" title="Concepts help you learn about the different parts of the Istio system and the abstractions it uses." role="button" aria-controls="collapse1"><div> Concepts</div></a></div><div id="collapse1" class="collapse" data-parent="#sidebar" role="tabpanel" aria-labelledby="header1"><div class="card-body"><ul class="tree"><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="A broad overview of the Istio system." href="/v0.6/docs/concepts/what-is-istio">What is Istio?</a> </label><ul class="tree collapse"><li> <a title="Provides a conceptual introduction to Istio, including the problems it solves and its high-level architecture." href="/v0.6/docs/concepts/what-is-istio/overview.html">Overview</a></li><li> <a title="Describes the core principles that Istio's design adheres to." href="/v0.6/docs/concepts/what-is-istio/goals.html">Design Goals</a></li></ul></li><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Describes the various Istio features focused on traffic routing and control." href="/v0.6/docs/concepts/traffic-management">Traffic Management</a> </label><ul class="tree collapse"><li> <a title="Provides a conceptual overview of traffic management in Istio and the features it enables." href="/v0.6/docs/concepts/traffic-management/overview.html">Overview</a></li><li> <a title="Introduces Pilot, the component responsible for managing a distributed deployment of Envoy proxies in the service mesh." href="/v0.6/docs/concepts/traffic-management/pilot.html">Pilot</a></li><li> <a title="Describes how requests are routed between services in an Istio service mesh." href="/v0.6/docs/concepts/traffic-management/request-routing.html">Request Routing</a></li><li> <a title="Describes how traffic is load balanced across instances of a service in the mesh." href="/v0.6/docs/concepts/traffic-management/load-balancing.html">Discovery & Load Balancing</a></li><li> <a title="An overview of failure recovery capabilities in Envoy that can be leveraged by unmodified applications to improve robustness and prevent cascading failures." href="/v0.6/docs/concepts/traffic-management/handling-failures.html">Handling Failures</a></li><li> <a title="Introduces the idea of systematic fault injection that can be used to uncover conflicting failure recovery policies across services." href="/v0.6/docs/concepts/traffic-management/fault-injection.html">Fault Injection</a></li><li> <a title="Provides a high-level overview of the domain-specific language used by Istio to configure traffic management rules in the service mesh." href="/v0.6/docs/concepts/traffic-management/rules-configuration.html">Rules Configuration</a></li></ul></li><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Describes Istio's authorization and authentication functionality." href="/v0.6/docs/concepts/security">Security</a> </label><ul class="tree collapse"><li> <a title="Describes Istio's mutual TLS authentication architecture which provides a strong service identity and secure communication channels between services." href="/v0.6/docs/concepts/security/mutual-tls.html">Mutual TLS Authentication</a></li><li> <a title="Describes Istio RBAC which provides access control for services in Istio Mesh." href="/v0.6/docs/concepts/security/rbac.html">Istio Role-Based Access Control (RBAC)</a></li></ul></li><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Introduces the policy control mechanisms." href="/v0.6/docs/concepts/policy-and-control">Policies and Control</a> </label><ul class="tree collapse"><li> <a title="Explains the important notion of attributes, which is a central mechanism for how policies and control are applied to services within the mesh." href="/v0.6/docs/concepts/policy-and-control/attributes.html">Attributes</a></li><li> <a title="Architectural deep-dive into the design of Mixer, which provides the policy and control mechanisms within the service mesh." href="/v0.6/docs/concepts/policy-and-control/mixer.html">Mixer</a></li><li> <a title="An overview of the key concepts used to configure Mixer." href="/v0.6/docs/concepts/policy-and-control/mixer-config.html">Mixer Configuration</a></li></ul></li></ul></div></div></div><div class="card"><div class="card-header" role="tab" id="header20"> <a data-toggle="collapse" href="#collapse20" title="Setup contains instructions for installing the Istio control plane in various environments (e.g., Kubernetes, Consul, etc.), as well as instructions for installing the sidecar in the application deployment." role="button" aria-controls="collapse20"><div> Setup</div></a></div><div id="collapse20" class="collapse" 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-right'></i> <a class="" title="Instructions for installing the Istio control plane on Kubernetes and adding VMs into the mesh." href="/v0.6/docs/setup/kubernetes">Kubernetes</a> </label><ul class="tree collapse"><li> <a title="Quick Start instructions to setup the Istio service mesh in a Kubernetes cluster." href="/v0.6/docs/setup/kubernetes/quick-start.html">Quick Start</a></li><li> <a title="Quick Start instructions to setup the Istio service using Google Kubernetes Engine (GKE)" href="/v0.6/docs/setup/kubernetes/quick-start-gke-dm.html">Quick Start with Google Kubernetes Engine</a></li><li> <a title="Instructions for the setup and configuration of Istio using the Helm package manager." href="/v0.6/docs/setup/kubernetes/helm.html">Istio Helm Chart Instructions</a></li><li> <a title="Instructions on using the included Ansible playbook to perform installation." href="/v0.6/docs/setup/kubernetes/ansible-install.html">Installing with Ansible</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="/v0.6/docs/setup/kubernetes/sidecar-injection.html">Installing Istio Sidecar</a></li><li> <a title="Instructions for integrating VMs and bare metal hosts into an Istio mesh deployed on Kubernetes." href="/v0.6/docs/setup/kubernetes/mesh-expansion.html">Istio Mesh Expansion</a></li></ul></li><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Instructions for installing the Istio control plane in a Consul based environment, with or without Nomad." href="/v0.6/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="/v0.6/docs/setup/consul/quick-start.html">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="/v0.6/docs/setup/consul/install.html">Installation</a></li></ul></li><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Instructions for installing the Istio control plane in a Eureka based environment." href="/v0.6/docs/setup/eureka">Eureka</a> </label><ul class="tree collapse"><li> <a title="Quick Start instructions to setup the Istio service mesh with Docker Compose." href="/v0.6/docs/setup/eureka/quick-start.html">Quick Start on Docker</a></li><li> <a title="Instructions for installing the Istio control plane in an Eureka based environment." href="/v0.6/docs/setup/eureka/install.html">Installation</a></li></ul></li><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Instructions for installing the Istio control plane in Cloud Foundry." href="/v0.6/docs/setup/cloudfoundry">Cloud Foundry</a> </label><ul class="tree collapse"><li> <a title="Instructions for installing the Istio control plane in Cloud Foundry." href="/v0.6/docs/setup/cloudfoundry/install.html">Installation</a></li></ul></li><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Instructions for installing the Istio control plane in Apache Mesos." href="/v0.6/docs/setup/mesos">Mesos</a> </label><ul class="tree collapse"><li> <a title="Instructions for installing the Istio control plane in Apache Mesos." href="/v0.6/docs/setup/mesos/install.html">Installation</a></li></ul></li></ul></div></div></div><div class="card"><div class="card-header" role="tab" id="header38"> <a data-toggle="collapse" href="#collapse38" title="Tasks show you how to do a single specific targeted activity with the Istio system." role="button" aria-controls="collapse38"><div> Tasks</div></a></div><div id="collapse38" class="collapse show" data-parent="#sidebar" role="tabpanel" aria-labelledby="header38"><div class="card-body"><ul class="tree"><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Describes tasks that demonstrate traffic routing features of Istio service mesh." href="/v0.6/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 based on weights and HTTP headers." href="/v0.6/docs/tasks/traffic-management/request-routing.html">Configuring Request Routing</a></li><li> <a title="This task shows how to inject delays and test the resiliency of your application." href="/v0.6/docs/tasks/traffic-management/fault-injection.html">Fault Injection</a></li><li> <a title="This task shows you how to migrate traffic from an old to new version of a service." href="/v0.6/docs/tasks/traffic-management/traffic-shifting.html">Traffic Shifting</a></li><li> <a title="This task shows you how to setup request timeouts in Envoy using Istio." href="/v0.6/docs/tasks/traffic-management/request-timeouts.html">Setting Request Timeouts</a></li><li> <a title="Describes how to configure Istio Ingress on Kubernetes." href="/v0.6/docs/tasks/traffic-management/ingress.html">Istio Ingress</a></li><li> <a title="Describes how to configure Istio to route traffic from services in the mesh to external services." href="/v0.6/docs/tasks/traffic-management/egress.html">Control Egress Traffic</a></li><li> <a title="Describes how to configure Istio to route TCP traffic from services in the mesh to external services." href="/v0.6/docs/tasks/traffic-management/egress-tcp.html">Control Egress TCP Traffic</a></li><li> <a title="This task demonstrates the circuit-breaking capability for resilient applications" href="/v0.6/docs/tasks/traffic-management/circuit-breaking.html">Circuit Breaking</a></li><li> <a title="Demonstrates Istio's traffic shadowing/mirroring capabilities" href="/v0.6/docs/tasks/traffic-management/mirroring.html">Mirroring</a></li></ul></li><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Describes tasks that demonstrate policy enforcement features." href="/v0.6/docs/tasks/policy-enforcement">Policy Enforcement</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="/v0.6/docs/tasks/policy-enforcement/rate-limiting.html">Enabling Rate Limits</a></li></ul></li><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Describes tasks that demonstrate how to collect telemetry information from the service mesh." href="/v0.6/docs/tasks/telemetry">Metrics, Logs, and Traces</a> </label><ul class="tree collapse"><li> <a title="How to configure the proxies to send tracing requests to Zipkin or Jaeger" href="/v0.6/docs/tasks/telemetry/distributed-tracing.html">Distributed Tracing</a></li><li> <a title="This task shows you how to configure Istio to collect metrics and logs." href="/v0.6/docs/tasks/telemetry/metrics-logs.html">Collecting Metrics and Logs</a></li><li> <a title="This task shows you how to configure Istio to collect metrics for TCP services." href="/v0.6/docs/tasks/telemetry/tcp-metrics.html">Collecting Metrics for TCP services</a></li><li> <a title="This task shows you how to query for Istio Metrics using Prometheus." href="/v0.6/docs/tasks/telemetry/querying-metrics.html">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="/v0.6/docs/tasks/telemetry/using-istio-dashboard.html">Visualizing Metrics with Grafana</a></li><li> <a title="This task shows you how to generate a graph of services within an Istio mesh." href="/v0.6/docs/tasks/telemetry/servicegraph.html">Generating a Service Graph</a></li><li> <a title="This task shows you how to configure Istio to log to a Fluentd daemon" href="/v0.6/docs/tasks/telemetry/fluentd.html">Logging with Fluentd</a></li></ul></li><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-down'></i> <a class="" title="Describes tasks that help securing the service mesh traffic." href="/v0.6/docs/tasks/security">Security</a> </label><ul class="tree"><li> <a title="This task shows you how to verify and test Istio's automatic mutual TLS authentication." href="/v0.6/docs/tasks/security/mutual-tls.html">Testing Istio mutual TLS authentication</a></li><li> <span class="current" title="This task shows how to control access to a service using the Kubernetes labels.">Setting up Basic Access Control</span></li><li> <a title="This task shows how to securely control access to a service using service accounts." href="/v0.6/docs/tasks/security/secure-access-control.html">Setting up Secure Access Control</a></li><li> <a title="This task shows how to set up role-based access control for services in Istio mesh." href="/v0.6/docs/tasks/security/role-based-access-control.html">Setting up Istio Role-Based Access Control</a></li><li> <a title="This task shows how to change mutual TLS authentication for a single service." href="/v0.6/docs/tasks/security/per-service-mtls.html">Per-service mutual TLS authentication enablement</a></li><li> <a title="This task shows how operators can plug existing certificate and key into Istio CA." href="/v0.6/docs/tasks/security/plugin-ca-cert.html">Plugging in CA certificate and key</a></li><li> <a title="This task shows how to enable Istio CA health check." href="/v0.6/docs/tasks/security/health-check.html">Enabling Istio CA health check</a></li></ul></li></ul></div></div></div><div class="card"><div class="card-header" role="tab" id="header67"> <a data-toggle="collapse" href="#collapse67" title="Guides include a variety of fully working example uses for Istio that you can experiment with." role="button" aria-controls="collapse67"><div> Guides</div></a></div><div id="collapse67" class="collapse" data-parent="#sidebar" role="tabpanel" aria-labelledby="header67"><div class="card-body"><ul class="tree"><li> <a title="This guide deploys a sample application composed of four separate microservices which will be used to demonstrate various features of the Istio service mesh." href="/v0.6/docs/guides/bookinfo.html">Bookinfo</a></li><li> <a title="This guide demonstrates how to use various traffic management capabilities of an Istio service mesh." href="/v0.6/docs/guides/intelligent-routing.html">Intelligent Routing</a></li><li> <a title="This sample demonstrates how to obtain uniform metrics, logs, traces across different services using Istio Mixer and Istio sidecar." href="/v0.6/docs/guides/telemetry.html">In-Depth Telemetry</a></li><li> <a title="This sample deploys the Bookinfo services across Kubernetes and a set of virtual machines, and illustrates how to use the Istio service mesh to control this infrastructure as a single mesh." href="/v0.6/docs/guides/integrating-vms.html">Integrating Virtual Machines</a></li></ul></div></div></div><div class="card"><div class="card-header" role="tab" id="header72"> <a data-toggle="collapse" href="#collapse72" title="The Reference section contains detailed authoritative reference material such as command-line options, configuration options, and API calling parameters." role="button" aria-controls="collapse72"><div> Reference</div></a></div><div id="collapse72" class="collapse" data-parent="#sidebar" role="tabpanel" aria-labelledby="header72"><div class="card-body"><ul class="tree"><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Detailed information on API parameters." href="/v0.6/docs/reference/api">API</a> </label><ul class="tree collapse"><li> <a title="API definitions to interact with Mixer" href="/v0.6/docs/reference/api/istio.mixer.v1.html">Mixer</a></li></ul></li><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Detailed information on configuration options." href="/v0.6/docs/reference/config">Configuration</a> </label><ul class="tree collapse"><li> <a title="Configuration affecting the service mesh as a whole" href="/v0.6/docs/reference/config/istio.mesh.v1alpha1.html">Service Mesh</a></li><li> <a title="Configuration state for the Mixer client library" href="/v0.6/docs/reference/config/istio.mixer.v1.config.client.html">Mixer Client</a></li><li> <a title="Describes the rules used to configure Mixer's policy and telemetry features." href="/v0.6/docs/reference/config/istio.mixer.v1.config.html">Policy and Telemetry Rules</a></li><li> <a title="Configuration affecting resource-based access control" href="/v0.6/docs/reference/config/istio.rbac.v1alpha1.html">RBAC</a></li><li> <a title="Configuration affecting traffic routing" href="/v0.6/docs/reference/config/istio.routing.v1alpha1.html">Route Rules Alpha 1</a></li><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Detailed information on configuration and API exposed by Mixer." href="/v0.6/docs/reference/config/mixer">Mixer</a> </label><ul class="tree collapse"><li> <a title="Definitions used when creating Mixer templates" href="/v0.6/docs/reference/config/mixer/istio.mixer.adapter.model.v1beta1.html">Mixer Adapter Model</a></li><li> <a title="Value types used with templates" href="/v0.6/docs/reference/config/mixer/istio.mixer.v1.config.descriptor.html">Value Type</a></li><li> <a title="Definitions used when creating Mixer templates" href="/v0.6/docs/reference/config/mixer/istio.mixer.v1.template.html">Template Metadata</a></li><li> <a title="Describes the base attribute vocabulary used for policy and control." href="/v0.6/docs/reference/config/mixer/attribute-vocabulary.html">Attribute Vocabulary</a></li><li> <a title="Mixer config expression language reference." href="/v0.6/docs/reference/config/mixer/expression-language.html">Expression Language</a></li></ul></li><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Generated documentation for Mixer's adapters." href="/v0.6/docs/reference/config/adapters">Adapters</a> </label><ul class="tree collapse"><li> <a title="Adapter for circonus.com's monitoring solution." href="/v0.6/docs/reference/config/adapters/circonus.html">Circonus</a></li><li> <a title="Adapter to deliver metrics to a dogstatsd agent for delivery to DataDog" href="/v0.6/docs/reference/config/adapters/datadog.html">Datadog</a></li><li> <a title="Adapter that always returns a precondition denial." href="/v0.6/docs/reference/config/adapters/denier.html">Denier</a></li><li> <a title="Adapter that delivers logs to a fluentd daemon." href="/v0.6/docs/reference/config/adapters/fluentd.html">Fluentd</a></li><li> <a title="Adapter that extracts information from a Kubernetes environment." href="/v0.6/docs/reference/config/adapters/kubernetesenv.html">Kubernetes Env</a></li><li> <a title="Adapter that performs whitelist or blacklist checks" href="/v0.6/docs/reference/config/adapters/list.html">List</a></li><li> <a title="Adapter for a simple in-memory quota management system." href="/v0.6/docs/reference/config/adapters/memquota.html">Memory quota</a></li><li> <a title="Adapter that implements an Open Policy Agent engine" href="/v0.6/docs/reference/config/adapters/opa.html">OPA</a></li><li> <a title="Adapter that exposes Istio metrics for ingestion by a Prometheus harvester." href="/v0.6/docs/reference/config/adapters/prometheus.html">Prometheus</a></li><li> <a title="Adapter that exposes Istio's Role-Based Access Control model." href="/v0.6/docs/reference/config/adapters/rbac.html">RBAC</a></li><li> <a title="Adapter for a Redis-based quota management system." href="/v0.6/docs/reference/config/adapters/redisquota.html">Redis Quota</a></li><li> <a title="Adapter that delivers logs and metrics to Google Service Control" href="/v0.6/docs/reference/config/adapters/servicecontrol.html">Service Control</a></li><li> <a title="Adapter to deliver logs and metrics to Papertrail and AppOptics backends" href="/v0.6/docs/reference/config/adapters/solarwinds.html">SolarWinds</a></li><li> <a title="Adapter to deliver logs and metrics to Stackdriver" href="/v0.6/docs/reference/config/adapters/stackdriver.html">Stackdriver</a></li><li> <a title="Adapter to deliver metrics to a StatsD backend" href="/v0.6/docs/reference/config/adapters/statsd.html">StatsD</a></li><li> <a title="Adapter for outputting logs and metrics locally." href="/v0.6/docs/reference/config/adapters/stdio.html">Stdio</a></li></ul></li><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Generated documentation for Mixer's Templates." href="/v0.6/docs/reference/config/template">Templates</a> </label><ul class="tree collapse"><li> <a title="A template that represents a single API key." href="/v0.6/docs/reference/config/template/apikey.html">API Key</a></li><li> <a title="A template used to represent an access control query." href="/v0.6/docs/reference/config/template/authorization.html">Authorization</a></li><li> <a title="A template that carries no data, useful for testing." href="/v0.6/docs/reference/config/template/checknothing.html">Check Nothing</a></li><li> <a title="A template that is used to control the production of Kubernetes-specific attributes." href="/v0.6/docs/reference/config/template/kubernetes.html">Kubernetes</a></li><li> <a title="A template designed to let you perform list checking operations." href="/v0.6/docs/reference/config/template/listentry.html">List Entry</a></li><li> <a title="A template that represents a single runtime log entry." href="/v0.6/docs/reference/config/template/logentry.html">Log Entry</a></li><li> <a title="A template that represents a single runtime metric." href="/v0.6/docs/reference/config/template/metric.html">Metric</a></li><li> <a title="A template that represents a quota allocation request" href="/v0.6/docs/reference/config/template/quota.html">Quota</a></li><li> <a title="A template that carries no data, useful for testing." href="/v0.6/docs/reference/config/template/reportnothing.html">Report Nothing</a></li><li> <a title="A template used by the Google Service Control adapter." href="/v0.6/docs/reference/config/template/servicecontrolreport.html">Service Control Report</a></li></ul></li></ul></li><li class="sublist"> <label class='tree-toggle'> <i class='fa fa-lg fa-caret-right'></i> <a class="" title="Describes usage and options of the Istio commands and utilities." href="/v0.6/docs/reference/commands">Commands</a> </label><ul class="tree collapse"><li> <a title="Istio Certificate Authority (CA)" href="/v0.6/docs/reference/commands/istio_ca.html">istio_ca</a></li><li> <a title="Istio control interface" href="/v0.6/docs/reference/commands/istioctl.html">istioctl</a></li><li> <a title="Utility to trigger direct calls to Mixer&#39;s API." href="/v0.6/docs/reference/commands/mixc.html">mixc</a></li><li> <a title="Mixer is Istio&#39;s abstraction on top of infrastructure backends." href="/v0.6/docs/reference/commands/mixs.html">mixs</a></li><li> <a title="Istio security per-node agent" href="/v0.6/docs/reference/commands/node_agent.html">node_agent</a></li><li> <a title="Istio Pilot agent" href="/v0.6/docs/reference/commands/pilot-agent.html">pilot-agent</a></li><li> <a title="Istio Pilot" href="/v0.6/docs/reference/commands/pilot-discovery.html">pilot-discovery</a></li><li> <a title="Kubernetes webhook for automatic Istio sidecar injection" href="/v0.6/docs/reference/commands/sidecar-injector.html">sidecar-injector</a></li></ul></li><li> <a title="How to write Istio config YAML content." href="/v0.6/docs/reference/writing-config.html">Writing Configuration</a></li></ul></div></div></div></div></nav></div><div class="col-12 col-md-9 col-lg-7 col-xl-8"><p class="d-md-none"> <label class="sidebar-toggler" data-toggle="offcanvas"> <i class="fa fa-chevron-right"></i> </label></p><main role="main"><h1>Setting up Basic Access Control</h1><p>This task shows how to control access to a service using the Kubernetes labels.</p><h2 id="before-you-begin">Before you begin</h2><ul><li><p>Set up Istio on Kubernetes by following the instructions in the <a href="/v0.6/docs/setup/kubernetes/">Installation guide</a>.</p></li><li><p>Deploy the <a href="/v0.6/docs/guides/bookinfo.html">Bookinfo</a> sample application.</p></li><li><p>Initialize the application version routing to direct <code class="highlighter-rouge">reviews</code> service requests from test user “jason” to version v2 and requests from any other user to v3.</p><div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>istioctl create <span class="nt">-f</span> samples/bookinfo/kube/route-rule-reviews-test-v2.yaml
istioctl create <span class="nt">-f</span> samples/bookinfo/kube/route-rule-reviews-v3.yaml
</code></pre></div></div><blockquote><p>Note: if you have conflicting rules that you set in previous tasks, use <code class="highlighter-rouge">istioctl replace</code> instead of <code class="highlighter-rouge">istioctl create</code>.</p></blockquote><blockquote><p>Note: if you are using a namespace other than <code class="highlighter-rouge">default</code>, use <code class="highlighter-rouge">istioctl -n namespace ...</code> to specify the namespace.</p></blockquote></li></ul><h2 id="access-control-using-denials">Access control using <em>denials</em></h2><p>Using Istio you can control access to a service based on any attributes that are available within Mixer. This simple form of access control is based on conditionally denying requests using Mixer selectors.</p><p>Consider the <a href="/v0.6/docs/guides/bookinfo.html">Bookinfo</a> sample application where the <code class="highlighter-rouge">ratings</code> service is accessed by multiple versions of the <code class="highlighter-rouge">reviews</code> service. We would like to cut off access to version <code class="highlighter-rouge">v3</code> of the <code class="highlighter-rouge">reviews</code> service.</p><ol><li><p>Point your browser at the Bookinfo <code class="highlighter-rouge">productpage</code> (http://$GATEWAY_URL/productpage).</p><p>If you log in as user “jason”, you should see black rating stars with each review, indicating that the <code class="highlighter-rouge">ratings</code> service is being called by the “v2” version of the <code class="highlighter-rouge">reviews</code> service.</p><p>If you log in as any other user (or logout) you should see red rating stars with each review, indicating that the <code class="highlighter-rouge">ratings</code> service is being called by the “v3” version of the <code class="highlighter-rouge">reviews</code> service.</p></li><li><p>Explicitly deny access to version <code class="highlighter-rouge">v3</code> of the <code class="highlighter-rouge">reviews</code> service.</p><p>Run the following command to set up the deny rule along with a handler and an instance.</p><div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>istioctl create <span class="nt">-f</span> samples/bookinfo/kube/mixer-rule-deny-label.yaml
</code></pre></div></div><p>You can expect to see the output similar to the following:</p><div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Created config denier/default/denyreviewsv3handler at revision 2882105
Created config checknothing/default/denyreviewsv3request at revision 2882106
Created config rule/default/denyreviewsv3 at revision 2882107
</code></pre></div></div><p>Notice the following in the <code class="highlighter-rouge">denyreviewsv3</code> rule:</p><div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>match: destination.labels["app"] == "ratings" &amp;&amp; source.labels["app"]=="reviews" &amp;&amp; source.labels["version"] == "v3"
</code></pre></div></div><p>It matches requests coming from the service <code class="highlighter-rouge">reviews</code> with label <code class="highlighter-rouge">v3</code> to the service <code class="highlighter-rouge">ratings</code>.</p><p>This rule uses the <code class="highlighter-rouge">denier</code> adapter to deny requests coming from version <code class="highlighter-rouge">v3</code> of the reviews service. The adapter always denies requests with a pre-configured status code and message. The status code and the message is specified in the <a href="/v0.6/docs/reference/config/adapters/denier.html">denier</a> adapter configuration.</p></li><li><p>Refresh the <code class="highlighter-rouge">productpage</code> in your browser.</p><p>If you are logged out or logged in as any user other than “jason” you will no longer see red ratings stars because the <code class="highlighter-rouge">reviews:v3</code> service has been denied access to the <code class="highlighter-rouge">ratings</code> service. In contrast, if you log in as user “jason” (the <code class="highlighter-rouge">reviews:v2</code> user) you continue to see the black ratings stars.</p></li></ol><h2 id="access-control-using-whitelists">Access control using <em>whitelists</em></h2><p>Istio also supports attribute-based whitelists and blacklists. The following whitelist configuration is equivalent to the <code class="highlighter-rouge">denier</code> configuration in the previous section. The rule effectively rejects requests from version <code class="highlighter-rouge">v3</code> of the <code class="highlighter-rouge">reviews</code> service.</p><ol><li>Remove the denier configuration that you added in the previous section.<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>istioctl delete <span class="nt">-f</span> samples/bookinfo/kube/mixer-rule-deny-label.yaml
</code></pre></div></div></li><li><p>Verify that when you access the Bookinfo <code class="highlighter-rouge">productpage</code> (http://$GATEWAY_URL/productpage) without logging in, you see red stars. After performing the following steps you will no longer be able to see stars unless you are logged in as “jason”.</p></li><li><p>Create configuration for the <a href="/v0.6/docs/reference/config/adapters/list.html"><code class="highlighter-rouge">list</code></a> adapter that lists versions <code class="highlighter-rouge">v1, v2</code>. Save the following YAML snippet as <code class="highlighter-rouge">whitelist-handler.yaml</code>:</p><div class="language-yaml highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="na">apiVersion</span><span class="pi">:</span> <span class="s">config.istio.io/v1alpha2</span>
<span class="na">kind</span><span class="pi">:</span> <span class="s">listchecker</span>
<span class="na">metadata</span><span class="pi">:</span>
<span class="na">name</span><span class="pi">:</span> <span class="s">whitelist</span>
<span class="na">spec</span><span class="pi">:</span>
<span class="c1"># providerUrl: ordinarily black and white lists are maintained</span>
<span class="c1"># externally and fetched asynchronously using the providerUrl.</span>
<span class="na">overrides</span><span class="pi">:</span> <span class="pi">[</span><span class="s2">"</span><span class="s">v1"</span><span class="pi">,</span> <span class="s2">"</span><span class="s">v2"</span><span class="pi">]</span> <span class="c1"># overrides provide a static list</span>
<span class="na">blacklist</span><span class="pi">:</span> <span class="no">false</span>
</code></pre></div></div><p>and then run the following command:</p><div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>istioctl create <span class="nt">-f</span> whitelist-handler.yaml
</code></pre></div></div></li><li><p>Extract the version label by creating an instance of the <a href="/v0.6/docs/reference/config/template/listentry.html"><code class="highlighter-rouge">listentry</code></a> template. Save the following YAML snippet as <code class="highlighter-rouge">appversion-instance.yaml</code>:</p><div class="language-yaml highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="na">apiVersion</span><span class="pi">:</span> <span class="s">config.istio.io/v1alpha2</span>
<span class="na">kind</span><span class="pi">:</span> <span class="s">listentry</span>
<span class="na">metadata</span><span class="pi">:</span>
<span class="na">name</span><span class="pi">:</span> <span class="s">appversion</span>
<span class="na">spec</span><span class="pi">:</span>
<span class="na">value</span><span class="pi">:</span> <span class="s">source.labels["version"]</span>
</code></pre></div></div><p>and then run the following command:</p><div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>istioctl create <span class="nt">-f</span> appversion-instance.yaml
</code></pre></div></div></li><li><p>Enable <code class="highlighter-rouge">whitelist</code> checking for the ratings service. Save the following YAML snippet as <code class="highlighter-rouge">checkversion-rule.yaml</code>:</p><div class="language-yaml highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="na">apiVersion</span><span class="pi">:</span> <span class="s">config.istio.io/v1alpha2</span>
<span class="na">kind</span><span class="pi">:</span> <span class="s">rule</span>
<span class="na">metadata</span><span class="pi">:</span>
<span class="na">name</span><span class="pi">:</span> <span class="s">checkversion</span>
<span class="na">spec</span><span class="pi">:</span>
<span class="na">match</span><span class="pi">:</span> <span class="s">destination.labels["app"] == "ratings"</span>
<span class="na">actions</span><span class="pi">:</span>
<span class="pi">-</span> <span class="na">handler</span><span class="pi">:</span> <span class="s">whitelist.listchecker</span>
<span class="na">instances</span><span class="pi">:</span>
<span class="pi">-</span> <span class="s">appversion.listentry</span>
</code></pre></div></div><p>and then run the following command:</p><div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>istioctl create <span class="nt">-f</span> checkversion-rule.yaml
</code></pre></div></div></li><li>Verify that when you access the Bookinfo <code class="highlighter-rouge">productpage</code> (http://$GATEWAY_URL/productpage) without logging in, you see <strong>no</strong> stars. Verify that after logging in as “jason” you see black stars.</li></ol><h2 id="cleanup">Cleanup</h2><ul><li><p>Remove the mixer configuration:</p><div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>istioctl delete <span class="nt">-f</span> checkversion-rule.yaml
istioctl delete <span class="nt">-f</span> appversion-instance.yaml
istioctl delete <span class="nt">-f</span> whitelist-handler.yaml
</code></pre></div></div></li><li><p>Remove the application routing rules:</p><div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>istioctl delete -f samples/bookinfo/kube/route-rule-reviews-test-v2.yaml
istioctl delete -f samples/bookinfo/kube/route-rule-reviews-v3.yaml
</code></pre></div></div></li><li><p>If you are not planning to explore any follow-on tasks, refer to the <a href="/v0.6/docs/guides/bookinfo.html#cleanup">Bookinfo cleanup</a> instructions to shutdown the application.</p></li></ul><h2 id="whats-next">What’s next</h2><ul><li><p>Learn how to securely control access based on the service account <a href="/v0.6/docs/tasks/security/secure-access-control.html">here</a>.</p></li><li><p>Learn more about <a href="/v0.6/docs/concepts/policy-and-control/mixer.html">Mixer</a> and <a href="/v0.6/docs/concepts/policy-and-control/mixer-config.html">Mixer Config</a>.</p></li><li><p>Discover the full <a href="/v0.6/docs/reference/config/mixer/attribute-vocabulary.html">Attribute Vocabulary</a>.</p></li><li><p>Read the reference guide to <a href="/v0.6/docs/reference/writing-config.html">Writing Config</a>.</p></li><li><p>Understand the differences between Kubernetes network policies and Istio access control policies from this <a href="/v0.6/blog/using-network-policy-in-concert-with-istio.html">blog</a>.</p></li></ul></main></div><div class="col-12 col-md-2 d-none d-lg-block"><nav class="toc"><div class="spacer"></div><div class="directory" role="directory"><ul><li><a href="#before-you-begin">Before you begin</a></li><li><a href="#access-control-using-denials">Access control using denials</a></li><li><a href="#access-control-using-whitelists">Access control using whitelists</a></li><li><a href="#cleanup">Cleanup</a></li><li><a href="#whats-next">What’s next</a></li></ul></div></nav></div></div></div><div class="footer"><footer><div class="container-fluid"><div class="row"><div class="col-sm-2"></div><nav class=" col-12 col-sm-3" role="navigation"><ul class="first"><li><a class="header" href="/v0.6/docs/">Docs</a></li><li><a href="/v0.6/docs/concepts/">Concepts</a></li><li><a href="/v0.6/docs/setup/">Setup</a></li><li><a href="/v0.6/docs/tasks/">Tasks</a></li><li><a href="/v0.6/docs/guides/">Guides</a></li><li><a href="/v0.6/docs/reference/">Reference</a></li></ul></nav><nav class="col-12 col-sm-3" role="navigation"><ul><li><a class="header" href="/v0.6/help/">Help</a></li><li><a href="/v0.6/help/faq/index.html">FAQ</a></li><li><a href="/v0.6/help/glossary.html">Glossary</a></li><li><a href="/v0.6/help/troubleshooting.html">Troubleshooting</a></li><li><a href="/v0.6/help/bugs.html">Report Bugs</a></li><li><a href="https://github.com/istio/istio.github.io/issues/new?title=Issue with _docs/tasks/security/basic-access-control.md" target="_blank" rel="noopener">Doc Bugs & Gaps</a></li><li><a href="https://github.com/istio/istio.github.io/edit/master/_docs/tasks/security/basic-access-control.md" target="_blank" rel="noopener">Edit This Page</a></li></ul></nav><nav class="col-12 col-sm-3" role="navigation"><ul><li><a class="header" href="/v0.6/community.html">Community</a></li><li> <a href="https://groups.google.com/forum/#!forum/istio-users" target="_blank" rel="noopener">User</a> | <a href="https://groups.google.com/forum/#!forum/istio-dev" target="_blank" rel="noopener">Dev Mailing Lists</a></li><li><a href="https://twitter.com/IstioMesh" target="_blank" rel="noopener">Twitter</a></li><li><a href="https://stackoverflow.com/questions/tagged/istio" target="_blank" rel="noopener">Stack Overflow</a></li><li><a href="https://github.com/istio/community/" target="_blank" rel="noopener">GitHub</a></li><li><a href="https://github.com/istio/community/blob/master/WORKING-GROUPS.md" target="_blank" rel="noopener">Working Groups</a></li></ul></nav></div><div class="row"><div class="col-12"><p class="description text-center" role="contentinfo"> Istio Archive 0.6, Copyright &copy; 2018 Istio Authors<br> Archived on 02-Apr-2018</p></div></div></div></footer></div><script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/1.7.1/clipboard.min.js"></script> <script src="https://www.google.com/cse/brand?form=searchbox"></script> <script src="/v0.6/js/misc.min.js"></script></body></html>
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