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8130 lines
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HTML
8130 lines
130 KiB
HTML
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<meta name="title" content="Control Egress Traffic">
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<meta name="description" content="Describes how to configure Istio to route traffic from services in the mesh to external services.">
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<meta name="og:title" content="Control Egress Traffic">
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<meta name="og:description" content="Describes how to configure Istio to route traffic from services in the mesh to external services.">
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<h6 class="dropdown-header">Other versions of this site</h6>
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<a href="https://istio.io" class="dropdown-item">Current Release</a>
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<div class="card">
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<a data-toggle="collapse" href="#collapse7" title="Concepts help you learn about the different parts of the Istio system and the abstractions it uses." role="button" aria-controls="collapse7">
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Concepts
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</a>
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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="A broad overview of the Istio system." href="/v0.8/docs/concepts/what-is-istio/">What is Istio? </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 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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<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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<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-right'></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 collapse">
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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>
|
|
|
|
<a title="An overview of the key concepts used to configure Istio's policy enforcement and telemetry collection features." href="/v0.8/docs/concepts/policies-and-telemetry/config/">Configuration</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="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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|
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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 show" 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">
|
|
|
|
|
|
<label class='tree-toggle'>
|
|
|
|
<i class='fa fa-lg fa-caret-down'></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">
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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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<span class="current" title="Describes how to configure Istio to route traffic from services in the mesh to external services.">Control Egress Traffic</span>
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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>
|
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|
|
<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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</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>
|
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|
|
</li>
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<li>
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|
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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>
|
|
|
|
<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>
|
|
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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="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>
|
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|
|
<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>
|
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|
|
<a title="Configuration affecting traffic routing" href="/v0.8/docs/reference/config/istio.routing.v1alpha1/">Route Rules v1alpha1 (deprecated)</a>
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|
|
</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>
|
|
|
|
|
|
|
|
|
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|
|
<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">Control Egress Traffic</h1>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<nav class="toc-inlined d-xl-none d-print-none" >
|
|
<div class="directory" role="directory">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<nav id="InlinedTableOfContents">
|
|
<ul>
|
|
<li><a href="#before-you-begin">Before you begin</a></li>
|
|
<li><a href="#configuring-istio-external-services">Configuring Istio external services</a>
|
|
<ul>
|
|
<li><a href="#configuring-the-external-services">Configuring the external services</a></li>
|
|
<li><a href="#make-requests-to-the-external-services">Make requests to the external services</a></li>
|
|
<li><a href="#setting-route-rules-on-an-external-service">Setting route rules on an external service</a></li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="#calling-external-services-directly">Calling external services directly</a>
|
|
<ul>
|
|
<li><a href="#determine-the-value-of-globalproxyincludeipranges">Determine the value of global.proxy.includeIPRanges</a></li>
|
|
<li><a href="#access-the-external-services">Access the external services</a></li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="#understanding-what-happened">Understanding what happened</a></li>
|
|
<li><a href="#security-note">Security note</a></li>
|
|
<li><a href="#cleanup">Cleanup</a></li>
|
|
<li><a href="#whats-next">What's next</a></li>
|
|
</ul>
|
|
</nav>
|
|
|
|
|
|
</div>
|
|
</nav>
|
|
|
|
|
|
<blockquote>
|
|
<p>This task uses the new <a href="/v0.8/blog/2018/v1alpha3-routing/">v1alpha3 traffic management API</a>. The old API has been deprecated and will be removed in the next Istio release. If you need to use the old version, follow the docs <a href="https://archive.istio.io/v0.7/docs/tasks/traffic-management/">here</a>.</p>
|
|
</blockquote>
|
|
<p>By default, Istio-enabled services are unable to access URLs outside of the cluster because
|
|
iptables is used in the pod to transparently redirect all outbound traffic to the sidecar proxy,
|
|
which only handles intra-cluster destinations.</p>
|
|
<p>This task describes how to configure Istio to expose external services to Istio-enabled clients.
|
|
You'll learn how to enable access to external services by defining
|
|
<a href="/v0.8/docs/reference/config/istio.networking.v1alpha3/#ServiceEntry">ServiceEntry</a> configurations,
|
|
or alternatively, to simply bypass the Istio proxy for a specific range of IPs.</p>
|
|
<h2 id="before-you-begin">Before you begin</h2>
|
|
<ul>
|
|
<li>
|
|
<p>Setup Istio by following the instructions in the
|
|
<a href="/v0.8/docs/setup/">Installation guide</a>.</p>
|
|
</li>
|
|
<li>
|
|
<p>Start the <a href="https://github.com/istio/istio/tree/release-0.8/samples/sleep">sleep</a> sample
|
|
which will be used as a test source for external calls.</p>
|
|
<p>If you have enabled <a href="/v0.8/docs/setup/kubernetes/sidecar-injection/#automatic-sidecar-injection">automatic sidecar injection</a>, do</p>
|
|
<pre><code class="language-command" data-lang="command">$ kubectl apply -f @samples/sleep/sleep.yaml@
|
|
</code></pre><p>otherwise, you have to manually inject the sidecar before deploying the <code>sleep</code> application:</p>
|
|
<pre><code class="language-command" data-lang="command">$ kubectl apply -f <(istioctl kube-inject -f @samples/sleep/sleep.yaml@)
|
|
</code></pre><p>Note that any pod that you can <code>exec</code> and <code>curl</code> from would do.</p>
|
|
</li>
|
|
</ul>
|
|
<h2 id="configuring-istio-external-services">Configuring Istio external services</h2>
|
|
<p>Using Istio <code>ServiceEntry</code> configurations, you can access any publicly accessible service
|
|
from within your Istio cluster. In this task we will use
|
|
<a href="http://httpbin.org">httpbin.org</a> and <a href="https://www.google.com">www.google.com</a> as examples.</p>
|
|
<h3 id="configuring-the-external-services">Configuring the external services</h3>
|
|
<ol>
|
|
<li>
|
|
<p>Create an <code>ServiceEntry</code> to allow access to an external HTTP service:</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-bash" data-lang="bash"> cat <span style="color:#e6db74"><<EOF | istioctl create -f -
|
|
</span><span style="color:#e6db74"> apiVersion: networking.istio.io/v1alpha3
|
|
</span><span style="color:#e6db74"> kind: ServiceEntry
|
|
</span><span style="color:#e6db74"> metadata:
|
|
</span><span style="color:#e6db74"> name: httpbin-ext
|
|
</span><span style="color:#e6db74"> spec:
|
|
</span><span style="color:#e6db74"> hosts:
|
|
</span><span style="color:#e6db74"> - httpbin.org
|
|
</span><span style="color:#e6db74"> ports:
|
|
</span><span style="color:#e6db74"> - number: 80
|
|
</span><span style="color:#e6db74"> name: http
|
|
</span><span style="color:#e6db74"> protocol: HTTP
|
|
</span><span style="color:#e6db74"> EOF</span>
|
|
</code></pre></div></li>
|
|
<li>
|
|
<p>Create an <code>ServiceEntry</code> to allow access to an external HTTPS service:</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-bash" data-lang="bash"> cat <span style="color:#e6db74"><<EOF | istioctl create -f -
|
|
</span><span style="color:#e6db74"> apiVersion: networking.istio.io/v1alpha3
|
|
</span><span style="color:#e6db74"> kind: ServiceEntry
|
|
</span><span style="color:#e6db74"> metadata:
|
|
</span><span style="color:#e6db74"> name: google-ext
|
|
</span><span style="color:#e6db74"> spec:
|
|
</span><span style="color:#e6db74"> hosts:
|
|
</span><span style="color:#e6db74"> - www.google.com
|
|
</span><span style="color:#e6db74"> ports:
|
|
</span><span style="color:#e6db74"> - number: 443
|
|
</span><span style="color:#e6db74"> name: https
|
|
</span><span style="color:#e6db74"> protocol: HTTPS
|
|
</span><span style="color:#e6db74"> EOF</span>
|
|
</code></pre></div></li>
|
|
</ol>
|
|
<h3 id="make-requests-to-the-external-services">Make requests to the external services</h3>
|
|
<ol>
|
|
<li>
|
|
<p>Exec into the pod being used as the test source. For example,
|
|
if you are using the sleep service, run the following commands:</p>
|
|
<pre><code class="language-command" data-lang="command">$ export SOURCE_POD=$(kubectl get pod -l app=sleep -o jsonpath={.items..metadata.name})
|
|
$ kubectl exec -it $SOURCE_POD -c sleep bash
|
|
</code></pre></li>
|
|
<li>
|
|
<p>Make a request to the external HTTP service:</p>
|
|
<pre><code class="language-command" data-lang="command">$ curl http://httpbin.org/headers
|
|
</code></pre></li>
|
|
<li>
|
|
<p>Make a request to the external HTTPS service:</p>
|
|
<pre><code class="language-command" data-lang="command">$ curl https://www.google.com
|
|
</code></pre></li>
|
|
</ol>
|
|
<h3 id="setting-route-rules-on-an-external-service">Setting route rules on an external service</h3>
|
|
<p>Similar to inter-cluster requests, Istio
|
|
<a href="/v0.8/docs/concepts/traffic-management/rules-configuration/">routing rules</a>
|
|
can also be set for external services that are accessed using <code>ServiceEntry</code> configurations.
|
|
To illustrate we will use <a href="/v0.8/docs/reference/commands/istioctl/">istioctl</a>
|
|
to set a timeout rule on calls to the httpbin.org service.</p>
|
|
<ol>
|
|
<li>
|
|
<p>From inside the pod being used as the test source, invoke the <code>/delay</code> endpoint of the httpbin.org external service:</p>
|
|
<pre><code class="language-command" data-lang="command">$ kubectl exec -it $SOURCE_POD -c sleep bash
|
|
$ time curl -o /dev/null -s -w "%{http_code}\n" http://httpbin.org/delay/5
|
|
200
|
|
|
|
real 0m5.024s
|
|
user 0m0.003s
|
|
sys 0m0.003s
|
|
</code></pre><p>The request should return 200 (OK) in approximately 5 seconds.</p>
|
|
</li>
|
|
<li>
|
|
<p>Exit the source pod and use <code>istioctl</code> to set a 3s timeout on calls to the httpbin.org external service:</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-bash" data-lang="bash"> cat <span style="color:#e6db74"><<EOF | istioctl create -f -
|
|
</span><span style="color:#e6db74"> apiVersion: networking.istio.io/v1alpha3
|
|
</span><span style="color:#e6db74"> kind: VirtualService
|
|
</span><span style="color:#e6db74"> metadata:
|
|
</span><span style="color:#e6db74"> name: httpbin-ext
|
|
</span><span style="color:#e6db74"> spec:
|
|
</span><span style="color:#e6db74"> hosts:
|
|
</span><span style="color:#e6db74"> - httpbin.org
|
|
</span><span style="color:#e6db74"> http:
|
|
</span><span style="color:#e6db74"> - timeout: 3s
|
|
</span><span style="color:#e6db74"> route:
|
|
</span><span style="color:#e6db74"> - destination:
|
|
</span><span style="color:#e6db74"> host: httpbin.org
|
|
</span><span style="color:#e6db74"> weight: 100
|
|
</span><span style="color:#e6db74"> EOF</span>
|
|
</code></pre></div></li>
|
|
<li>
|
|
<p>Wait a few seconds, then issue the <em>curl</em> request again:</p>
|
|
<pre><code class="language-command" data-lang="command">$ kubectl exec -it $SOURCE_POD -c sleep bash
|
|
$ time curl -o /dev/null -s -w "%{http_code}\n" http://httpbin.org/delay/5
|
|
504
|
|
|
|
real 0m3.149s
|
|
user 0m0.004s
|
|
sys 0m0.004s
|
|
</code></pre><p>This time a 504 (Gateway Timeout) appears after 3 seconds.
|
|
Although httpbin.org was waiting 5 seconds, Istio cut off the request at 3 seconds.</p>
|
|
</li>
|
|
</ol>
|
|
<h2 id="calling-external-services-directly">Calling external services directly</h2>
|
|
<p>If you want to completely bypass Istio for a specific IP range,
|
|
you can configure the Envoy sidecars to prevent them from
|
|
<a href="/v0.8/docs/concepts/traffic-management/request-routing/#communication-between-services">intercepting</a>
|
|
the external requests. This can be done by setting the <code>global.proxy.includeIPRanges</code> variable of
|
|
<a href="/v0.8/docs/setup/kubernetes/helm-install/#customization-with-helm">Helm</a> and updating the <code>ConfigMap</code> <em>istio-sidecar-injector</em> by <code>kubectl apply</code>. After <em>istio-sidecar-injector</em> is updated, the value of <code>global.proxy.includeIPRanges</code> will affect all the future deployments of the application pods.</p>
|
|
<p>The simplest way to use the <code>global.proxy.includeIPRanges</code> variable is to pass it the IP range(s)
|
|
used for internal cluster services, thereby excluding external IPs from being redirected
|
|
to the sidecar proxy.
|
|
The values used for internal IP range(s), however, depends on where your cluster is running.
|
|
For example, with Minikube the range is 10.0.0.1/24, so you would update your <code>ConfigMap</code> <em>istio-sidecar-injector</em> like this:</p>
|
|
<pre><code class="language-command" data-lang="command">$ helm template @install/kubernetes/helm/istio@ <the flags you used to install Istio> --set global.proxy.includeIPRanges="10.0.0.1/24" -x @templates/sidecar-injector-configmap.yaml@ | kubectl apply -f -
|
|
</code></pre><p>Note that you should use the same Helm command you used <a href="/v0.8/docs/setup/kubernetes/helm-install">to install Istio</a>,
|
|
in particular, the same value of the <code>--namespace</code> flag. In addition to the flags you used to install Istio, add <code>--set global.proxy.includeIPRanges="10.0.0.1/24" -x templates/sidecar-injector-configmap.yaml</code>.</p>
|
|
<p>Redeploy the <em>sleep</em> application as described in the <a href="/v0.8/docs/tasks/traffic-management/egress/#before-you-begin">Before you begin</a> section.</p>
|
|
<h3 id="determine-the-value-of-globalproxyincludeipranges">Determine the value of <code>global.proxy.includeIPRanges</code></h3>
|
|
<p>Set the value of <code>global.proxy.includeIPRanges</code> according to your cluster provider.</p>
|
|
<h4 id="ibm-cloud-private">IBM Cloud Private</h4>
|
|
<ol>
|
|
<li>
|
|
<p>Get your <code>service_cluster_ip_range</code> from IBM Cloud Private configuration file under <code>cluster/config.yaml</code>.</p>
|
|
<pre><code class="language-command" data-lang="command">$ cat cluster/config.yaml | grep service_cluster_ip_range
|
|
</code></pre><p>A sample output is as following:</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">service_cluster_ip_range: 10.0.0.1/24
|
|
</code></pre></div></li>
|
|
<li>
|
|
<p>Use <code>--set global.proxy.includeIPRanges="10.0.0.1/24"</code></p>
|
|
</li>
|
|
</ol>
|
|
<h4 id="ibm-cloud-kubernetes-service">IBM Cloud Kubernetes Service</h4>
|
|
<p>Use <code>--set global.proxy.includeIPRanges="172.30.0.0/16\,172.20.0.0/16\,10.10.10.0/24"</code></p>
|
|
<h4 id="google-container-engine-gke">Google Container Engine (GKE)</h4>
|
|
<p>The ranges are not fixed, so you will need to run the <code>gcloud container clusters describe</code> command to determine the ranges to use. For example:</p>
|
|
<pre><code class="language-command" data-lang="command">$ gcloud container clusters describe XXXXXXX --zone=XXXXXX | grep -e clusterIpv4Cidr -e servicesIpv4Cidr
|
|
clusterIpv4Cidr: 10.4.0.0/14
|
|
servicesIpv4Cidr: 10.7.240.0/20
|
|
</code></pre><p>Use <code>--set global.proxy.includeIPRanges="10.4.0.0/14\,10.7.240.0/20"</code></p>
|
|
<h4 id="azure-container-serviceacs">Azure Container Service(ACS)</h4>
|
|
<p>Use <code>--set global.proxy.includeIPRanges="10.244.0.0/16\,10.240.0.0/16</code></p>
|
|
<h4 id="minikube">Minikube</h4>
|
|
<p>Use <code>--set global.proxy.includeIPRanges="10.0.0.1/24"</code></p>
|
|
<h3 id="access-the-external-services">Access the external services</h3>
|
|
<p>After updating the <code>ConfigMap</code> <em>istio-sidecar-injector</em> and redeploying the <em>sleep</em> application,
|
|
the Istio sidecar will only intercept and manage internal requests
|
|
within the cluster. Any external request will simply bypass the sidecar and go straight to its intended
|
|
destination.</p>
|
|
<pre><code class="language-command" data-lang="command">$ export SOURCE_POD=$(kubectl get pod -l app=sleep -o jsonpath={.items..metadata.name})
|
|
$ kubectl exec -it $SOURCE_POD -c sleep curl http://httpbin.org/headers
|
|
</code></pre><h2 id="understanding-what-happened">Understanding what happened</h2>
|
|
<p>In this task we looked at two ways to call external services from an Istio mesh:</p>
|
|
<ol>
|
|
<li>
|
|
<p>Using a <code>ServiceEntry</code> (recommended)</p>
|
|
</li>
|
|
<li>
|
|
<p>Configuring the Istio sidecar to exclude external IPs from its remapped IP table</p>
|
|
</li>
|
|
</ol>
|
|
<p>The first approach (<code>ServiceEntry</code>) allows
|
|
you to use all of the same Istio service mesh features for calls to services within or outside
|
|
of the cluster. We demonstrated this by setting a timeout rule for calls to an external service.</p>
|
|
<p>The second approach bypasses the Istio sidecar proxy, giving your services direct access to any
|
|
external URL. However, configuring the proxy this way does require
|
|
cloud provider specific knowledge and configuration.</p>
|
|
<h2 id="security-note">Security note</h2>
|
|
<p><img src="/v0.8/img/exclamation-mark.svg" alt="Warning" title="Warning" style="width: 2rem; display:inline" /> Note that configuration examples in this task <strong>do not enable secure egress traffic control</strong> in
|
|
Istio.
|
|
A malicious application can bypass the Istio sidecar proxy and access any external service without Istio control.</p>
|
|
<p>To implement egress traffic control in a secure way, you must <a href="/v0.8/docs/tasks/traffic-management/egress-gateway">direct egress traffic through an egress gateway</a> and address the security concerns expressed in
|
|
<a href="/v0.8/docs/tasks/traffic-management/egress-gateway#additional-security-considerations">Configure an Egress Gateway task, Additional Security Considerations</a>.</p>
|
|
<h2 id="cleanup">Cleanup</h2>
|
|
<ol>
|
|
<li>
|
|
<p>Remove the rules.</p>
|
|
<pre><code class="language-command" data-lang="command">$ istioctl delete serviceentry httpbin-ext google-ext
|
|
$ istioctl delete virtualservice httpbin-ext
|
|
</code></pre></li>
|
|
<li>
|
|
<p>Shutdown the <a href="https://github.com/istio/istio/tree/release-0.8/samples/sleep">sleep</a> service.</p>
|
|
<pre><code class="language-command" data-lang="command">$ kubectl delete -f @samples/sleep/sleep.yaml@
|
|
</code></pre></li>
|
|
<li>
|
|
<p>Update the <code>ConfigMap</code> <em>istio-sidecar-injector</em> to redirect all outbound traffic to the sidecar proxies:</p>
|
|
<pre><code class="language-command" data-lang="command">$ helm template @install/kubernetes/helm/istio@ <the flags you used to install Istio> -x @templates/sidecar-injector-configmap.yaml@ | kubectl apply -f -
|
|
</code></pre></li>
|
|
</ol>
|
|
<h2 id="whats-next">What's next</h2>
|
|
<ul>
|
|
<li>
|
|
<p>Learn more about <a href="/v0.8/docs/concepts/traffic-management/rules-configuration/#service-entries">service entries</a>.</p>
|
|
</li>
|
|
<li>
|
|
<p>Learn how to setup
|
|
<a href="/v0.8/docs/reference/config/istio.networking.v1alpha3/#HTTPRoute.timeout">timeouts</a>,
|
|
<a href="/v0.8/docs/reference/config/istio.networking.v1alpha3/#HTTPRoute.retries">retries</a>,
|
|
and <a href="/v0.8/docs/reference/config/istio.networking.v1alpha3/#OutlierDetection">circuit breakers</a> for egress traffic.</p>
|
|
</li>
|
|
</ul>
|
|
|
|
|
|
|
|
|
|
</main>
|
|
|
|
|
|
<div class="container-fluid d-print-none">
|
|
<br/><hr/><br/>
|
|
|
|
<div class="row">
|
|
<div class="col-6">
|
|
|
|
<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/"><i class="fa fa-arrow-left"></i> Securing Gateways with HTTPS</a>
|
|
|
|
</div>
|
|
<div class="col-6" style="text-align: right">
|
|
|
|
<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 <i class="fa fa-arrow-right"></i></a>
|
|
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
|
|
<div class="d-none d-print-block" aria-hidden="true">
|
|
<h2>Links</h2>
|
|
<ol id="endnotes"></ol>
|
|
</div>
|
|
</div>
|
|
|
|
|
|
<div class="col-12 col-md-2 d-none d-xl-block d-print-none">
|
|
<nav class="toc">
|
|
<div class="spacer"></div>
|
|
<div id="toc" class="directory" role="directory">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<nav id="TableOfContents">
|
|
<ul>
|
|
<li><a href="#before-you-begin">Before you begin</a></li>
|
|
<li><a href="#configuring-istio-external-services">Configuring Istio external services</a>
|
|
<ul>
|
|
<li><a href="#configuring-the-external-services">Configuring the external services</a></li>
|
|
<li><a href="#make-requests-to-the-external-services">Make requests to the external services</a></li>
|
|
<li><a href="#setting-route-rules-on-an-external-service">Setting route rules on an external service</a></li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="#calling-external-services-directly">Calling external services directly</a>
|
|
<ul>
|
|
<li><a href="#determine-the-value-of-globalproxyincludeipranges">Determine the value of global.proxy.includeIPRanges</a></li>
|
|
<li><a href="#access-the-external-services">Access the external services</a></li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="#understanding-what-happened">Understanding what happened</a></li>
|
|
<li><a href="#security-note">Security note</a></li>
|
|
<li><a href="#cleanup">Cleanup</a></li>
|
|
<li><a href="#whats-next">What's next</a></li>
|
|
</ul>
|
|
</nav>
|
|
|
|
|
|
</div>
|
|
</nav>
|
|
</div>
|
|
|
|
</div>
|
|
</div>
|
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