mirror of https://github.com/istio/istio.io.git
8088 lines
126 KiB
HTML
8088 lines
126 KiB
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<meta name="title" content="Configuration">
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<meta name="description" content="An overview of the key concepts used to configure Istio's policy enforcement and telemetry collection features.">
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<meta name="og:title" content="Configuration">
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<meta name="og:description" content="An overview of the key concepts used to configure Istio's policy enforcement and telemetry collection features.">
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<a href="https://istio.io" class="dropdown-item">Current Release</a>
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Concepts
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<li class="sublist">
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<i class='fa fa-lg fa-caret-right'></i>
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<a title="A broad overview of the Istio system." href="/v0.8/docs/concepts/what-is-istio/">What is Istio? </a>
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<li>
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<a title="Provides a conceptual introduction to Istio, including the problems it solves and its high-level architecture." href="/v0.8/docs/concepts/what-is-istio/overview/">Overview</a>
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</li>
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<li>
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<a title="Describes the core principles that Istio's design adheres to." href="/v0.8/docs/concepts/what-is-istio/goals/">Design Goals</a>
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</li>
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</ul>
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</li>
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<li class="sublist">
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<label class='tree-toggle'>
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<i class='fa fa-lg fa-caret-right'></i>
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<a title="Describes the various Istio features focused on traffic routing and control." href="/v0.8/docs/concepts/traffic-management/">Traffic Management </a>
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</label>
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<ul class="tree collapse">
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<li>
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<a title="Provides a conceptual overview of traffic management in Istio and the features it enables." href="/v0.8/docs/concepts/traffic-management/overview/">Overview</a>
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</li>
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<li>
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<a title="Introduces Pilot, the component responsible for managing a distributed deployment of Envoy proxies in the service mesh." href="/v0.8/docs/concepts/traffic-management/pilot/">Pilot</a>
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</li>
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<li>
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<a title="Describes how requests are routed between services in an Istio service mesh." href="/v0.8/docs/concepts/traffic-management/request-routing/">Request Routing</a>
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</li>
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<li>
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<a title="Describes how traffic is load balanced across instances of a service in the mesh." href="/v0.8/docs/concepts/traffic-management/load-balancing/">Discovery & Load Balancing</a>
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</li>
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<li>
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<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="/v0.8/docs/concepts/traffic-management/handling-failures/">Handling Failures</a>
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<li>
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<a title="Introduces the idea of systematic fault injection that can be used to uncover conflicting failure recovery policies across services." href="/v0.8/docs/concepts/traffic-management/fault-injection/">Fault Injection</a>
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<li>
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<a title="Provides a high-level overview of the configuration model used by Istio to configure traffic management rules in the service mesh." href="/v0.8/docs/concepts/traffic-management/rules-configuration/">Rules Configuration</a>
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</li>
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</ul>
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</li>
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<li class="sublist">
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<label class='tree-toggle'>
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<i class='fa fa-lg fa-caret-right'></i>
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<a title="Describes Istio's authorization and authentication functionality." href="/v0.8/docs/concepts/security/">Security </a>
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</label>
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<ul class="tree collapse">
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<li>
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<a title="Describes Istio's authentication policy" href="/v0.8/docs/concepts/security/authn-policy/">Authentication Policy</a>
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</li>
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<li>
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<a title="Describes Istio's mutual TLS authentication architecture which provides a strong service identity and secure communication channels between services." href="/v0.8/docs/concepts/security/mutual-tls/">Mutual TLS Authentication</a>
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</li>
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<li>
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<a title="Describes Istio RBAC which provides access control for services in Istio Mesh." href="/v0.8/docs/concepts/security/rbac/">Istio Role-Based Access Control (RBAC)</a>
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</li>
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</ul>
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</li>
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<li class="sublist">
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<label class='tree-toggle'>
|
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|
|
<i class='fa fa-lg fa-caret-down'></i>
|
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<a title="Introduces the policy control snd telemetry collection mechanisms." href="/v0.8/docs/concepts/policies-and-telemetry/">Policies and Telemetry </a>
|
|
</label>
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<ul class="tree">
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<li>
|
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<a title="Describes the design of the policy and telemetry mechanisms." href="/v0.8/docs/concepts/policies-and-telemetry/overview/">Overview</a>
|
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</li>
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<li>
|
|
|
|
<span class="current" title="An overview of the key concepts used to configure Istio's policy enforcement and telemetry collection features.">Configuration</span>
|
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</li>
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</ul>
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</li>
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</ul>
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</div>
|
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</div>
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</div>
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<div class="card">
|
|
<div class="card-header" role="tab" id="header22">
|
|
<a data-toggle="collapse" href="#collapse22" 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="collapse22">
|
|
<div>
|
|
Setup
|
|
</div>
|
|
</a>
|
|
</div>
|
|
|
|
<div id="collapse22" class="collapse" data-parent="#sidebar" role="tabpanel" aria-labelledby="header22">
|
|
<div class="card-body">
|
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<ul class="tree">
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<li class="sublist">
|
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|
|
<label class='tree-toggle'>
|
|
|
|
<i class='fa fa-lg fa-caret-right'></i>
|
|
|
|
<a title="Instructions for installing the Istio control plane on Kubernetes and adding VMs into the mesh." href="/v0.8/docs/setup/kubernetes/">Kubernetes </a>
|
|
</label>
|
|
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<ul class="tree collapse">
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<li>
|
|
|
|
<a title="Quick start instructions to setup the Istio service mesh in a Kubernetes cluster." href="/v0.8/docs/setup/kubernetes/quick-start/">Quick Start</a>
|
|
|
|
</li>
|
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<li>
|
|
|
|
<a title="Quick Start instructions to setup the Istio service using Google Kubernetes Engine (GKE)" href="/v0.8/docs/setup/kubernetes/quick-start-gke-dm/">Quick Start with Google Kubernetes Engine</a>
|
|
|
|
</li>
|
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<li>
|
|
|
|
<a title="Install Istio with the included Helm chart." href="/v0.8/docs/setup/kubernetes/helm-install/">Installation with Helm</a>
|
|
|
|
</li>
|
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<li>
|
|
|
|
<a title="Install Istio with the included Ansible playbook." href="/v0.8/docs/setup/kubernetes/ansible-install/">Installation with Ansible</a>
|
|
|
|
</li>
|
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<li>
|
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|
|
<a title="Instructions for installing the Istio sidecar in application pods automatically using the sidecar injector webhook or manually using istioctl CLI." href="/v0.8/docs/setup/kubernetes/sidecar-injection/">Installing the Istio Sidecar</a>
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</li>
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<li>
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<a title="Instructions for integrating VMs and bare metal hosts into an Istio mesh deployed on Kubernetes." href="/v0.8/docs/setup/kubernetes/mesh-expansion/">Mesh Expansion</a>
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</li>
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<li>
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<a title="Install Istio with multicluster support." href="/v0.8/docs/setup/kubernetes/multicluster-install/">Istio Multicluster</a>
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</li>
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<li>
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<a title="This guide demonstrates how to upgrade the Istio control plane and data plane independently." href="/v0.8/docs/setup/kubernetes/upgrading-istio/">Upgrading Istio</a>
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</li>
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</ul>
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<li class="sublist">
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<label class='tree-toggle'>
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<i class='fa fa-lg fa-caret-right'></i>
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<a title="Instructions for installing the Istio control plane in a Consul based environment, with or without Nomad." href="/v0.8/docs/setup/consul/">Nomad & Consul </a>
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</label>
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<ul class="tree collapse">
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<li>
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<a title="Quick Start instructions to setup the Istio service mesh with Docker Compose." href="/v0.8/docs/setup/consul/quick-start/">Quick Start on Docker</a>
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</li>
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<li>
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|
<a title="Instructions for installing the Istio control plane in a Consul based environment, with or without Nomad." href="/v0.8/docs/setup/consul/install/">Installation</a>
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</li>
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</ul>
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</li>
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<li class="sublist">
|
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<label class='tree-toggle'>
|
|
|
|
<i class='fa fa-lg fa-caret-right'></i>
|
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|
|
<a title="Instructions for installing the Istio control plane in a Eureka based environment." href="/v0.8/docs/setup/eureka/">Eureka </a>
|
|
</label>
|
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<ul class="tree collapse">
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<li>
|
|
|
|
<a title="Quick Start instructions to setup the Istio service mesh with Docker Compose." href="/v0.8/docs/setup/eureka/quick-start/">Quick Start on Docker</a>
|
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</li>
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<li>
|
|
|
|
<a title="Instructions for installing the Istio control plane in an Eureka based environment." href="/v0.8/docs/setup/eureka/install/">Installation</a>
|
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|
|
</li>
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</ul>
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</li>
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</ul>
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</div>
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</div>
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</div>
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|
<div class="card">
|
|
<div class="card-header" role="tab" id="header37">
|
|
<a data-toggle="collapse" href="#collapse37" title="Tasks show you how to do a single specific targeted activity with the Istio system." role="button" aria-controls="collapse37">
|
|
<div>
|
|
Tasks
|
|
</div>
|
|
</a>
|
|
</div>
|
|
|
|
<div id="collapse37" class="collapse" data-parent="#sidebar" role="tabpanel" aria-labelledby="header37">
|
|
<div class="card-body">
|
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<ul class="tree">
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<li class="sublist">
|
|
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|
|
|
<label class='tree-toggle'>
|
|
|
|
<i class='fa fa-lg fa-caret-right'></i>
|
|
|
|
<a title="Describes tasks that demonstrate traffic routing features of Istio service mesh." href="/v0.8/docs/tasks/traffic-management/">Traffic Management </a>
|
|
</label>
|
|
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|
<ul class="tree collapse">
|
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|
|
<li>
|
|
|
|
<a title="This task shows you how to configure dynamic request routing based on weights and HTTP headers." href="/v0.8/docs/tasks/traffic-management/request-routing/">Configuring Request Routing</a>
|
|
|
|
</li>
|
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|
<li>
|
|
|
|
<a title="This task shows how to inject delays and test the resiliency of your application." href="/v0.8/docs/tasks/traffic-management/fault-injection/">Fault Injection</a>
|
|
|
|
</li>
|
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<li>
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<a title="Shows you how to migrate traffic from an old to new version of a service." href="/v0.8/docs/tasks/traffic-management/traffic-shifting/">Traffic Shifting</a>
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</li>
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<li>
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<a title="This task shows you how to setup request timeouts in Envoy using Istio." href="/v0.8/docs/tasks/traffic-management/request-timeouts/">Setting Request Timeouts</a>
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</li>
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<li>
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<a title="Describes how to configure Istio to expose a service outside of the service mesh." href="/v0.8/docs/tasks/traffic-management/ingress/">Control Ingress Traffic</a>
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</li>
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<li>
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<a title="Describes how to configure Istio to expose a service outside of the service mesh, over TLS or Mutual TLS." href="/v0.8/docs/tasks/traffic-management/secure-ingress/">Securing Gateways with HTTPS</a>
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</li>
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<li>
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<a title="Describes how to configure Istio to route traffic from services in the mesh to external services." href="/v0.8/docs/tasks/traffic-management/egress/">Control Egress Traffic</a>
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</li>
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<li>
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<a title="Describes how to configure Istio to perform TLS origination for traffic to external services" href="/v0.8/docs/tasks/traffic-management/egress-tls-origination/">TLS Origination for Egress Traffic</a>
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</li>
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<li>
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<a title="Describes how to configure Istio to direct traffic to external services through a dedicated gateway service" href="/v0.8/docs/tasks/traffic-management/egress-gateway/">Configure an Egress Gateway</a>
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</li>
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<li>
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<a title="This task demonstrates the circuit-breaking capability for resilient applications" href="/v0.8/docs/tasks/traffic-management/circuit-breaking/">Circuit Breaking</a>
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</li>
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<li>
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<a title="This task demonstrates the traffic shadowing/mirroring capabilities of Istio" href="/v0.8/docs/tasks/traffic-management/mirroring/">Mirroring</a>
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</li>
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</ul>
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</li>
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<li class="sublist">
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<label class='tree-toggle'>
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<i class='fa fa-lg fa-caret-right'></i>
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<a title="Demonstrates how to secure the mesh." href="/v0.8/docs/tasks/security/">Security </a>
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</label>
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<ul class="tree collapse">
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<li>
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<a title="Shows you how to use Istio authentication policy to setup mutual TLS and basic end-user authentication." href="/v0.8/docs/tasks/security/authn-policy/">Basic Authentication Policy</a>
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</li>
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<li>
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<a title="Shows you how to verify and test Istio's automatic mutual TLS authentication." href="/v0.8/docs/tasks/security/mutual-tls/">Testing Mutual TLS</a>
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</li>
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<li>
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<a title="Shows how to control access to a service using the Kubernetes labels." href="/v0.8/docs/tasks/security/basic-access-control/">Basic Access Control</a>
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</li>
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<li>
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<a title="Shows how to securely control access to a service using service accounts." href="/v0.8/docs/tasks/security/secure-access-control/">Secure Access Control</a>
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</li>
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<li>
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<a title="Shows how to set up role-based access control for services in Istio mesh." href="/v0.8/docs/tasks/security/role-based-access-control/">Role-Based Access Control</a>
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</li>
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<li>
|
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|
<a title="Shows how operators can configure Citadel with existing root certificate, signing certificate and key." href="/v0.8/docs/tasks/security/plugin-ca-cert/">Plugging in external CA key and certificate</a>
|
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</li>
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<li>
|
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|
<a title="Shows how to enable Citadel health checking with Kubernetes." href="/v0.8/docs/tasks/security/health-check/">Citadel health checking</a>
|
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</li>
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<li>
|
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|
<a title="Shows how to enable mutual TLS on HTTPS services." href="/v0.8/docs/tasks/security/https-overlay/">Mutual TLS over HTTPS</a>
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</li>
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</ul>
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</li>
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<li class="sublist">
|
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|
|
<label class='tree-toggle'>
|
|
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|
<i class='fa fa-lg fa-caret-right'></i>
|
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|
<a title="Demonstrates policy enforcement features." href="/v0.8/docs/tasks/policy-enforcement/">Policies </a>
|
|
</label>
|
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|
<ul class="tree collapse">
|
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<li>
|
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|
|
<a title="This task shows you how to use Istio to dynamically limit the traffic to a service." href="/v0.8/docs/tasks/policy-enforcement/rate-limiting/">Enabling Rate Limits</a>
|
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</li>
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</ul>
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</li>
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<li class="sublist">
|
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|
<label class='tree-toggle'>
|
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|
<i class='fa fa-lg fa-caret-right'></i>
|
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|
<a title="Demonstrates how to collect telemetry information from the mesh." href="/v0.8/docs/tasks/telemetry/">Telemetry </a>
|
|
</label>
|
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|
<ul class="tree collapse">
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<li>
|
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|
<a title="How to configure the proxies to send tracing requests to Zipkin or Jaeger" href="/v0.8/docs/tasks/telemetry/distributed-tracing/">Distributed Tracing</a>
|
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</li>
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<li>
|
|
|
|
<a title="This task shows you how to configure Istio to collect metrics and logs." href="/v0.8/docs/tasks/telemetry/metrics-logs/">Collecting Metrics and Logs</a>
|
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|
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</li>
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<li>
|
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|
<a title="This task shows you how to configure Istio to collect metrics for TCP services." href="/v0.8/docs/tasks/telemetry/tcp-metrics/">Collecting Metrics for TCP services</a>
|
|
|
|
</li>
|
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<li>
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<a title="This task shows you how to query for Istio Metrics using Prometheus." href="/v0.8/docs/tasks/telemetry/querying-metrics/">Querying Metrics from Prometheus</a>
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</li>
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<li>
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<a title="This task shows you how to setup and use the Istio Dashboard to monitor mesh traffic." href="/v0.8/docs/tasks/telemetry/using-istio-dashboard/">Visualizing Metrics with Grafana</a>
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</li>
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<li>
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<a title="This task shows you how to generate a graph of services within an Istio mesh." href="/v0.8/docs/tasks/telemetry/servicegraph/">Generating a Service Graph</a>
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</li>
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<li>
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<a title="This task shows you how to configure Istio to log to a Fluentd daemon" href="/v0.8/docs/tasks/telemetry/fluentd/">Logging with Fluentd</a>
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</li>
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</ul>
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</li>
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</ul>
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</div>
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</div>
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</div>
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<div class="card">
|
|
<div class="card-header" role="tab" id="header48">
|
|
<a data-toggle="collapse" href="#collapse48" title="Guides include a variety of fully working example uses for Istio that you can experiment with." role="button" aria-controls="collapse48">
|
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<div>
|
|
Guides
|
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</div>
|
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</a>
|
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</div>
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<div id="collapse48" class="collapse" data-parent="#sidebar" role="tabpanel" aria-labelledby="header48">
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<div class="card-body">
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<ul class="tree">
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<li>
|
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|
<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="/v0.8/docs/guides/bookinfo/">Bookinfo Sample Application</a>
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</li>
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<li>
|
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|
<a title="This guide demonstrates how to use various traffic management capabilities of an Istio service mesh." href="/v0.8/docs/guides/intelligent-routing/">Intelligent Routing</a>
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</li>
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<li>
|
|
|
|
<a title="This sample demonstrates how to obtain uniform metrics, logs, traces across different services using Istio Mixer and Istio sidecar." href="/v0.8/docs/guides/telemetry/">In-Depth Telemetry</a>
|
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</li>
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<li>
|
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|
|
<a title="Explains how to manually integrate Google Cloud Endpoints services with Istio." href="/v0.8/docs/guides/endpoints/">Install Istio for Google Cloud Endpoints Services</a>
|
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</li>
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<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="/v0.8/docs/guides/integrating-vms/">Integrating Virtual Machines</a>
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</li>
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</ul>
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</div>
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</div>
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</div>
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<div class="card">
|
|
<div class="card-header" role="tab" id="header77">
|
|
<a data-toggle="collapse" href="#collapse77" title="Introduces Performance and Scalability methodology, results and best practices for Istio components." role="button" aria-controls="collapse77">
|
|
<div>
|
|
Performance and Scalability
|
|
</div>
|
|
</a>
|
|
</div>
|
|
|
|
<div id="collapse77" class="collapse" data-parent="#sidebar" role="tabpanel" aria-labelledby="header77">
|
|
<div class="card-body">
|
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<ul class="tree">
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<li>
|
|
|
|
<a title="Provides a conceptual introduction to Istio's Performance and Scalability" href="/v0.8/docs/performance-and-scalability/overview/">Overview</a>
|
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</li>
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<li>
|
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|
|
<a title="Performance measurement through code level micro-benchmarks." href="/v0.8/docs/performance-and-scalability/microbenchmarks/">Micro Benchmarks</a>
|
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</li>
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<li>
|
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|
|
<a title="The different scenarios we are tracking for performance and scalability." href="/v0.8/docs/performance-and-scalability/scenarios/">Testing scenarios</a>
|
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</li>
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<li>
|
|
|
|
<a title="Fortio is our simple synthetic http and grpc benchmarking tool." href="/v0.8/docs/performance-and-scalability/synthetic-benchmarks/">Synthetic End to End benchmarks</a>
|
|
|
|
</li>
|
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<li>
|
|
|
|
<a title="Performance measurement through realistic micro service application tests." href="/v0.8/docs/performance-and-scalability/realistic-app-benchmark/">Realistic Application Benchmark</a>
|
|
|
|
</li>
|
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<li>
|
|
|
|
<a title="How we ensure performance is tracked and improves or does not regress across releases." href="/v0.8/docs/performance-and-scalability/performance-testing-automation/">Automation</a>
|
|
|
|
</li>
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<li>
|
|
|
|
<a title="Setup of Istio components to scale horizontally. High availability. Sizing guide." href="/v0.8/docs/performance-and-scalability/scalability/">Scalability and Sizing Guide</a>
|
|
|
|
</li>
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</ul>
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</div>
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</div>
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</div>
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<div class="card">
|
|
<div class="card-header" role="tab" id="header85">
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<a data-toggle="collapse" href="#collapse85" title="The Reference section contains detailed authoritative reference material such as command-line options, configuration options, and API calling parameters." role="button" aria-controls="collapse85">
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<div>
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Reference
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</a>
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<div id="collapse85" class="collapse" data-parent="#sidebar" role="tabpanel" aria-labelledby="header85">
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<i class='fa fa-lg fa-caret-right'></i>
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<a title="Detailed information on configuration options." href="/v0.8/docs/reference/config/">Configuration </a>
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<label class='tree-toggle'>
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<i class='fa fa-lg fa-caret-right'></i>
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<a title="Describes how to configure Istio's policy and telemetry features." href="/v0.8/docs/reference/config/policy-and-telemetry/">Policies and Telemetry </a>
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</label>
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<ul class="tree collapse">
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<li>
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<a title="Describes the base attribute vocabulary used for policy and control." href="/v0.8/docs/reference/config/policy-and-telemetry/attribute-vocabulary/">Attribute Vocabulary</a>
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<li>
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<a title="Mixer config expression language reference." href="/v0.8/docs/reference/config/policy-and-telemetry/expression-language/">Expression Language</a>
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<label class='tree-toggle'>
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<i class='fa fa-lg fa-caret-right'></i>
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<a title="Mixer adapters allow Istio to interface to a variety of infrastructure backends for such things as metrics and logs." href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/">Adapters </a>
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</label>
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<li>
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<a title="Adapter for circonus.com's monitoring solution." href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/circonus/">Circonus</a>
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</li>
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<li>
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<a title="Adapter for cloudwatch metrics." href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/cloudwatch/">CloudWatch</a>
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</li>
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<li>
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<a title="Adapter to deliver metrics to a dogstatsd agent for delivery to DataDog" href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/datadog/">Datadog</a>
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</li>
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<li>
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<a title="Adapter that always returns a precondition denial." href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/denier/">Denier</a>
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</li>
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<li>
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<a title="Adapter that delivers logs to a fluentd daemon." href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/fluentd/">Fluentd</a>
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</li>
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<li>
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<a title="Adapter that extracts information from a Kubernetes environment." href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/kubernetesenv/">Kubernetes Env</a>
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</li>
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<li>
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<a title="Adapter that performs whitelist or blacklist checks" href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/list/">List</a>
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</li>
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<li>
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<a title="Adapter for a simple in-memory quota management system." href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/memquota/">Memory quota</a>
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</li>
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<li>
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<a title="Adapter that implements an Open Policy Agent engine" href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/opa/">OPA</a>
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</li>
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<li>
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<a title="Adapter that exposes Istio metrics for ingestion by a Prometheus harvester." href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/prometheus/">Prometheus</a>
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</li>
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<li>
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<a title="Adapter that exposes Istio's Role-Based Access Control model." href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/rbac/">RBAC</a>
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</li>
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<li>
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<a title="Adapter for a Redis-based quota management system." href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/redisquota/">Redis Quota</a>
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</li>
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<li>
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<a title="Adapter that delivers logs and metrics to Google Service Control" href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/servicecontrol/">Service Control</a>
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</li>
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<li>
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<a title="Adapter to deliver logs and metrics to Papertrail and AppOptics backends" href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/solarwinds/">SolarWinds</a>
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</li>
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<li>
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<a title="Adapter to deliver logs and metrics to Stackdriver" href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/stackdriver/">Stackdriver</a>
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</li>
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<li>
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<a title="Adapter to deliver metrics to a StatsD backend" href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/statsd/">StatsD</a>
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</li>
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<li>
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<a title="Adapter for outputting logs and metrics locally." href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/stdio/">Stdio</a>
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</li>
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</ul>
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</li>
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<li>
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<a title="Default Metrics exported from Istio through Mixer." href="/v0.8/docs/reference/config/policy-and-telemetry/metrics/">Default Metrics</a>
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</li>
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<li class="sublist">
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<label class='tree-toggle'>
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<i class='fa fa-lg fa-caret-right'></i>
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<a title="Mixer templates are used to send data to individual adapters." href="/v0.8/docs/reference/config/policy-and-telemetry/templates/">Templates </a>
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</label>
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<ul class="tree collapse">
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<li>
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<a title="A template that represents a single API key." href="/v0.8/docs/reference/config/policy-and-telemetry/templates/apikey/">API Key</a>
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</li>
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<li>
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<a title="A template used to represent an access control query." href="/v0.8/docs/reference/config/policy-and-telemetry/templates/authorization/">Authorization</a>
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</li>
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<li>
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<a title="A template that carries no data, useful for testing." href="/v0.8/docs/reference/config/policy-and-telemetry/templates/checknothing/">Check Nothing</a>
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</li>
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<li>
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<a title="A template that is used to control the production of Kubernetes-specific attributes." href="/v0.8/docs/reference/config/policy-and-telemetry/templates/kubernetes/">Kubernetes</a>
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</li>
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<li>
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<a title="A template designed to let you perform list checking operations." href="/v0.8/docs/reference/config/policy-and-telemetry/templates/listentry/">List Entry</a>
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</li>
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<li>
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<a title="A template that represents a single runtime log entry." href="/v0.8/docs/reference/config/policy-and-telemetry/templates/logentry/">Log Entry</a>
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</li>
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<li>
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<a title="A template that represents a single runtime metric." href="/v0.8/docs/reference/config/policy-and-telemetry/templates/metric/">Metric</a>
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</li>
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<li>
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<a title="A template that represents a quota allocation request" href="/v0.8/docs/reference/config/policy-and-telemetry/templates/quota/">Quota</a>
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</li>
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<li>
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<a title="A template that carries no data, useful for testing." href="/v0.8/docs/reference/config/policy-and-telemetry/templates/reportnothing/">Report Nothing</a>
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</li>
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<li>
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<a title="A template used by the Google Service Control adapter." href="/v0.8/docs/reference/config/policy-and-telemetry/templates/servicecontrolreport/">Service Control Report</a>
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</li>
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</ul>
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</li>
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<li>
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|
<a title="Describes the rules used to configure Mixer's policy and telemetry features." href="/v0.8/docs/reference/config/policy-and-telemetry/istio.policy.v1beta1/">Rules</a>
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</li>
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</ul>
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</li>
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<li>
|
|
|
|
<a title="Configuration for Role Based Access Control" href="/v0.8/docs/reference/config/istio.rbac.v1alpha1/">RBAC</a>
|
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</li>
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<li>
|
|
|
|
<a title="Configuration affecting traffic routing" href="/v0.8/docs/reference/config/istio.routing.v1alpha1/">Route Rules v1alpha1 (deprecated)</a>
|
|
|
|
</li>
|
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<li>
|
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|
|
<a title="Configuration affecting traffic routing" href="/v0.8/docs/reference/config/istio.networking.v1alpha3/">Route Rules v1alpha3</a>
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</li>
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</ul>
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</li>
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<li class="sublist">
|
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|
|
<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="/v0.8/docs/reference/commands/">Commands </a>
|
|
</label>
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<ul class="tree collapse">
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|
|
<li>
|
|
|
|
<a title="Istio Certificate Authority (CA)" href="/v0.8/docs/reference/commands/istio_ca/">istio_ca</a>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
<a title="Istio control interface" href="/v0.8/docs/reference/commands/istioctl/">istioctl</a>
|
|
|
|
</li>
|
|
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|
|
<li>
|
|
|
|
<a title="Utility to trigger direct calls to Mixer&#39;s API." href="/v0.8/docs/reference/commands/mixc/">mixc</a>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
<a title="Mixer is Istio&#39;s abstraction on top of infrastructure backends." href="/v0.8/docs/reference/commands/mixs/">mixs</a>
|
|
|
|
</li>
|
|
|
|
|
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|
|
|
|
|
|
<li>
|
|
|
|
<a title="Istio security per-node agent" href="/v0.8/docs/reference/commands/node_agent/">node_agent</a>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
<li>
|
|
|
|
<a title="Istio Pilot agent" href="/v0.8/docs/reference/commands/pilot-agent/">pilot-agent</a>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
<a title="Istio Pilot" href="/v0.8/docs/reference/commands/pilot-discovery/">pilot-discovery</a>
|
|
|
|
</li>
|
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|
|
<li>
|
|
|
|
<a title="Kubernetes webhook for automatic Istio sidecar injection" href="/v0.8/docs/reference/commands/sidecar-injector/">sidecar-injector</a>
|
|
|
|
</li>
|
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</ul>
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</li>
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</ul>
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</div>
|
|
</div>
|
|
</div>
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</div>
|
|
</nav>
|
|
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|
|
</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">
|
|
<h1 id="title">Configuration</h1>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<nav class="toc-inlined d-xl-none d-print-none" >
|
|
<div class="directory" role="directory">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<nav id="InlinedTableOfContents">
|
|
<ul>
|
|
<li><a href="#attributes">Attributes</a>
|
|
<ul>
|
|
<li><a href="#attribute-vocabulary">Attribute vocabulary</a></li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="#configuration-model">Configuration model</a></li>
|
|
<li><a href="#handlers">Handlers</a></li>
|
|
<li><a href="#instances">Instances</a></li>
|
|
<li><a href="#rules">Rules</a></li>
|
|
<li><a href="#attribute-expressions">Attribute expressions</a></li>
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<li><a href="#whats-next">What's next</a></li>
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</ul>
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</nav>
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</div>
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</nav>
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<p>Istio's policy and telemetry features are configured through a common model designed to
|
|
put operators in control of every aspect of authorization policy and telemetry collection.
|
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Specific focus was given to keeping the model as simple and possible, while being powerful
|
|
enough to control Istio's many features at scale.</p>
|
|
<h2 id="attributes">Attributes</h2>
|
|
<p>Attributes are an essential concept to Istio's policy and telemetry functionality.
|
|
An attribute is a small bit of data that describes a single property of a specific
|
|
service request or the environment for the request. For example, an attribute can
|
|
specify the size of a specific request, the response code for an operation, the IP
|
|
address where a request came from, etc.</p>
|
|
<p>Each attribute has a name and a type. The type defines the kind of data that the attribute holds. For
|
|
example, an attribute can have a <code>STRING</code> type which means it has a textual value, or it can have an <code>INT64</code>
|
|
type indicating it has a 64 bit integer value.</p>
|
|
<p>Here are some example attributes with their associated values:</p>
|
|
<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-plain" data-lang="plain">request.path: xyz/abc
|
|
request.size: 234
|
|
request.time: 12:34:56.789 04/17/2017
|
|
source.ip: 192.168.0.1
|
|
destination.service: example
|
|
</code></pre></div><p>Mixer is the Istio component that implements policy and telemetry functionality.
|
|
Mixer is in essence an attribute processing machine. The Envoy sidecar invokes Mixer for
|
|
every request, giving Mixer a set of attributes that describe the request and the environment
|
|
around the request. Based on its configuration and the specific set of attributes it was
|
|
given, Mixer generates calls to a variety of infrastructure backends.</p>
|
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|
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<figure style="width: 60%">
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<div class="wrapper-with-intrinsic-ratio" style="padding-bottom: 42.60%">
|
|
<a class="not-for-endnotes" href="/v0.8/docs/concepts/policies-and-telemetry/img/machine.svg">
|
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<img class="element-to-stretch" src="/v0.8/docs/concepts/policies-and-telemetry/img/machine.svg" alt="Attribute Machine" title="Attribute Machine" />
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</a>
|
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</div>
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<figcaption>Attribute Machine</figcaption>
|
|
</figure>
|
|
|
|
<h3 id="attribute-vocabulary">Attribute vocabulary</h3>
|
|
<p>A given Istio deployment has a fixed vocabulary of attributes that it understands.
|
|
The specific vocabulary is determined by the set of attribute producers being used
|
|
in the deployment. The primary attribute producer in Istio is Envoy, although
|
|
specialized Mixer adapters can also generate attributes.</p>
|
|
<p>The common baseline set of attributes available in most Istio deployments is defined
|
|
<a href="/v0.8/docs/reference/config/policy-and-telemetry/attribute-vocabulary/">here</a>.</p>
|
|
<h2 id="configuration-model">Configuration model</h2>
|
|
<p>Controlling the policy and telemetry features involves configuring three types of resources:</p>
|
|
<ul>
|
|
<li>
|
|
<p>Configuring a set of <em>handlers</em>, which determine the set of adapters that
|
|
are being used and how they operate. Providing a <code>statsd</code> adapter with the IP
|
|
address for a statsd backend is an example of handler configuration.</p>
|
|
</li>
|
|
<li>
|
|
<p>Configuring a set of <em>instances</em>, which describe how to map request attributes into adapter inputs.
|
|
Instances represent a chunk of data that one or more adapters will operate
|
|
on. For example, an operator may decide to generate <code>requestcount</code>
|
|
metric instances from attributes such as <code>destination.service</code> and
|
|
<code>response.code</code>.</p>
|
|
</li>
|
|
<li>
|
|
<p>Configuring a set of <em>rules</em>, which describe when a particular adapter is called and which instances
|
|
it is given. Rules consist of a <em>match</em> expression and <em>actions</em>. The match expression controls
|
|
when to invoke an adapter, while the actions determine the set of instances to give to the adapter.
|
|
For example, a rule might send generated <code>requestcount</code> metric instances to a <code>statsd</code> adapter.</p>
|
|
</li>
|
|
</ul>
|
|
<p>Configuration is based on <em>adapters</em> and <em>templates</em>:</p>
|
|
<ul>
|
|
<li><strong>Adapters</strong> encapsulate the logic necessary to interface Mixer with a specific infrastructure backend.</li>
|
|
<li><strong>Templates</strong> define the schema for specifying request mapping from attributes to adapter inputs.
|
|
A given adapter may support any number of templates.</li>
|
|
</ul>
|
|
<h2 id="handlers">Handlers</h2>
|
|
<p>Adapters encapsulate the logic necessary to interface Mixer with specific external infrastructure
|
|
backends such as <a href="https://prometheus.io">Prometheus</a> or <a href="https://cloud.google.com/logging">Stackdriver</a>.
|
|
Individual adapters generally need operational parameters in order to do their work. For example, a logging adapter may require
|
|
the IP address and port of the log sink.</p>
|
|
<p>Here is an example showing how to configure an adapter of kind = <code>listchecker</code>. The listchecker adapter checks an input value against a list.
|
|
If the adapter is configured for a whitelist, it returns success if the input value is found in the list.</p>
|
|
<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml">apiVersion: config.istio.io/v1alpha2
|
|
kind: listchecker
|
|
metadata:
|
|
name: staticversion
|
|
namespace: istio-system
|
|
spec:
|
|
providerUrl: http://white_list_registry/
|
|
blacklist: <span style="color:#66d9ef">false</span>
|
|
</code></pre></div><p><code>{metadata.name}.{kind}.{metadata.namespace}</code> is the fully qualified name of a handler. The fully qualified name of the above handler is
|
|
<code>staticversion.listchecker.istio-system</code> and it must be unique.
|
|
The schema of the data in the <code>spec</code> stanza depends on the specific adapter being configured.</p>
|
|
<p>Some adapters implement functionality that goes beyond connecting Mixer to a backend.
|
|
For example, the <code>prometheus</code> adapter consumes metrics and aggregates them as distributions or counters in a configurable way.</p>
|
|
<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml">apiVersion: config.istio.io/v1alpha2
|
|
kind: prometheus
|
|
metadata:
|
|
name: handler
|
|
namespace: istio-system
|
|
spec:
|
|
metrics:
|
|
- name: request_count
|
|
instance_name: requestcount.metric.istio-system
|
|
kind: COUNTER
|
|
label_names:
|
|
- destination_service
|
|
- destination_version
|
|
- response_code
|
|
- name: request_duration
|
|
instance_name: requestduration.metric.istio-system
|
|
kind: DISTRIBUTION
|
|
label_names:
|
|
- destination_service
|
|
- destination_version
|
|
- response_code
|
|
buckets:
|
|
explicit_buckets:
|
|
bounds: [<span style="color:#ae81ff">0.005</span>, <span style="color:#ae81ff">0.01</span>, <span style="color:#ae81ff">0.025</span>, <span style="color:#ae81ff">0.05</span>, <span style="color:#ae81ff">0.1</span>, <span style="color:#ae81ff">0.25</span>, <span style="color:#ae81ff">0.5</span>, <span style="color:#ae81ff">1</span>, <span style="color:#ae81ff">2.5</span>, <span style="color:#ae81ff">5</span>, <span style="color:#ae81ff">10</span>]
|
|
</code></pre></div><p>Each adapter defines its own particular format of configuration data. The exhaustive set of
|
|
adapters and their specific configuration formats can be found <a href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/">here</a>.</p>
|
|
<h2 id="instances">Instances</h2>
|
|
<p>Instance configuration specifies the request mapping from attributes to adapter inputs.
|
|
The following is an example of a metric instance configuration that produces the <code>requestduration</code> metric.</p>
|
|
<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml">apiVersion: config.istio.io/v1alpha2
|
|
kind: metric
|
|
metadata:
|
|
name: requestduration
|
|
namespace: istio-system
|
|
spec:
|
|
value: response.duration | <span style="color:#e6db74">"0ms"</span>
|
|
dimensions:
|
|
destination_service: destination.service | <span style="color:#e6db74">"unknown"</span>
|
|
destination_version: destination.labels[<span style="color:#e6db74">"version"</span>] | <span style="color:#e6db74">"unknown"</span>
|
|
response_code: response.code | <span style="color:#ae81ff">200</span>
|
|
monitored_resource_type: <span style="color:#e6db74">'"UNSPECIFIED"'</span>
|
|
</code></pre></div><p>Note that all the dimensions expected in the handler configuration are specified in the mapping.
|
|
Templates define the specific required content of individual instances. The exhaustive set of
|
|
templates and their specific configuration formats can be found <a href="/v0.8/docs/reference/config/policy-and-telemetry/templates/">here</a>.</p>
|
|
<h2 id="rules">Rules</h2>
|
|
<p>Rules specify when a particular handler is invoked with a specific instance.
|
|
Consider an example where you want to deliver the <code>requestduration</code> metric to the prometheus handler if
|
|
the destination service is <code>service1</code> and the <code>x-user</code> request header has a specific value.</p>
|
|
<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml">apiVersion: config.istio.io/v1alpha2
|
|
kind: rule
|
|
metadata:
|
|
name: promhttp
|
|
namespace: istio-system
|
|
spec:
|
|
match: destination.service == <span style="color:#e6db74">"service1.ns.svc.cluster.local"</span> <span style="color:#75715e">&&</span> request.headers[<span style="color:#e6db74">"x-user"</span>] == <span style="color:#e6db74">"user1"</span>
|
|
actions:
|
|
- handler: handler.prometheus
|
|
instances:
|
|
- requestduration.metric.istio-system
|
|
</code></pre></div><p>A rule contains a <code>match</code> predicate expression and a list of actions to perform if the predicate is true.
|
|
An action specifies the list of instances to be delivered to a handler.
|
|
A rule must use the fully qualified names of handlers and instances.
|
|
If the rule, handlers, and instances are all in the same namespace, the namespace suffix can be elided from the fully qualified name as seen in <code>handler.prometheus</code>.</p>
|
|
<h2 id="attribute-expressions">Attribute expressions</h2>
|
|
<p>Attribute expressions are used when configuring instances.
|
|
You have already seen a few simple attribute expressions in the previous examples:</p>
|
|
<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml">destination_service: destination.service
|
|
response_code: response.code
|
|
destination_version: destination.labels[<span style="color:#e6db74">"version"</span>] | <span style="color:#e6db74">"unknown"</span>
|
|
</code></pre></div><p>The sequences on the right-hand side of the colons are the simplest forms of attribute expressions.
|
|
The first two only consist of attribute names. The <code>response_code</code> label is assigned the value from the <code>request.code</code> attribute.</p>
|
|
<p>Here's an example of a conditional expression:</p>
|
|
<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml">destination_version: destination.labels[<span style="color:#e6db74">"version"</span>] | <span style="color:#e6db74">"unknown"</span>
|
|
</code></pre></div><p>With the above, the <code>destination_version</code> label is assigned the value of <code>destination.labels["version"]</code>. However if that attribute
|
|
is not present, the literal <code>"unknown"</code> is used.</p>
|
|
<p>Refer to the <a href="/v0.8/docs/reference/config/policy-and-telemetry/expression-language/">attribute expression reference</a> for details.</p>
|
|
<h2 id="whats-next">What's next</h2>
|
|
<ul>
|
|
<li>
|
|
<p>Learn how to <a href="/v0.8/docs/tasks/telemetry/">configure telemetry collection</a>.</p>
|
|
</li>
|
|
<li>
|
|
<p>Learn how to <a href="/v0.8/docs/tasks/policy-enforcement/">configure policy enforcement</a>.</p>
|
|
</li>
|
|
<li>
|
|
<p>Learn about the set of <a href="/v0.8/docs/reference/config/policy-and-telemetry/adapters/">supported adapters</a>.</p>
|
|
</li>
|
|
<li>
|
|
<p>See the blog post describing <a href="/v0.8/blog/2017/adapter-model/">Mixer's adapter model</a>.</p>
|
|
</li>
|
|
</ul>
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</main>
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<br/><hr/><br/>
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<a title="Describes the design of the policy and telemetry mechanisms." href="/v0.8/docs/concepts/policies-and-telemetry/overview/"><i class="fa fa-arrow-left"></i> Overview</a>
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<div class="d-none d-print-block" aria-hidden="true">
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<h2>Links</h2>
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<ol id="endnotes"></ol>
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</div>
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<ul>
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<li><a href="#attributes">Attributes</a>
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<ul>
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<li><a href="#attribute-vocabulary">Attribute vocabulary</a></li>
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</ul>
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</li>
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<li><a href="#configuration-model">Configuration model</a></li>
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<li><a href="#handlers">Handlers</a></li>
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<li><a href="#attribute-expressions">Attribute expressions</a></li>
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