1666 lines
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HTML
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46 KiB
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NGINX Ingress Controller
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Installation Guide
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Installation Guide
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Contents
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<a href="#prerequisite-generic-deployment-command" class="md-nav__link">
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Prerequisite Generic Deployment Command
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<nav class="md-nav">
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Provider Specific Steps
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<a href="#minikube" class="md-nav__link">
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minikube
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AWS
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<a href="#gce-gke" class="md-nav__link">
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<a href="#azure" class="md-nav__link">
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Azure
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<a href="#bare-metal" class="md-nav__link">
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<li class="md-nav__item">
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<a href="#verify-installation" class="md-nav__link">
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Verify installation
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Using Helm
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Exposing TCP and UDP services
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Exposing FCGI services
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<li class="md-nav__item">
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<a href="../user-guide/monitoring/" title="Prometheus and Grafana installation" class="md-nav__link">
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Prometheus and Grafana installation
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<a href="../user-guide/multiple-ingress/" title="Multiple Ingress controllers" class="md-nav__link">
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Multiple Ingress controllers
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<a href="../user-guide/tls/" title="TLS/HTTPS" class="md-nav__link">
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TLS/HTTPS
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ModSecurity Web Application Firewall
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</a>
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<a href="../user-guide/third-party-addons/opentracing/" title="OpenTracing" class="md-nav__link">
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Introduction
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</a>
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<li class="md-nav__item">
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<a href="../examples/PREREQUISITES/" title="Prerequisites" class="md-nav__link">
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Prerequisites
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</a>
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<li class="md-nav__item">
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<a href="../examples/affinity/cookie/" title="Sticky Sessions" class="md-nav__link">
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Sticky Sessions
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</a>
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Auth
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Basic Authentication
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<a href="../examples/auth/client-certs/" title="Client Certificate Authentication" class="md-nav__link">
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Client Certificate Authentication
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</a>
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External Basic Authentication
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</a>
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<a href="../examples/auth/oauth-external-auth/" title="External OAUTH Authentication" class="md-nav__link">
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External OAUTH Authentication
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</a>
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Customization
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<nav class="md-nav" data-md-component="collapsible" data-md-level="2">
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<label class="md-nav__title" for="nav-4-5">
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Customization
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<a href="../examples/customization/configuration-snippets/" title="Configuration Snippets" class="md-nav__link">
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Configuration Snippets
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</a>
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<li class="md-nav__item">
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<a href="../examples/customization/custom-configuration/" title="Custom Configuration" class="md-nav__link">
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Custom Configuration
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</a>
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<a href="../examples/customization/custom-errors/" title="Custom Errors" class="md-nav__link">
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Custom Errors
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</a>
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<li class="md-nav__item">
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<a href="../examples/customization/custom-headers/" title="Custom Headers" class="md-nav__link">
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Custom Headers
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</a>
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<li class="md-nav__item">
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<a href="../examples/customization/external-auth-headers/" title="External authentication" class="md-nav__link">
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External authentication
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</a>
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<a href="../examples/customization/ssl-dh-param/" title="Custom DH parameters for perfect forward secrecy" class="md-nav__link">
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Custom DH parameters for perfect forward secrecy
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</a>
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<li class="md-nav__item">
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<a href="../examples/customization/sysctl/" title="Sysctl tuning" class="md-nav__link">
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Sysctl tuning
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</a>
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</ul>
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</nav>
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<li class="md-nav__item">
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<a href="../examples/docker-registry/" title="Docker registry" class="md-nav__link">
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Docker registry
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</a>
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<li class="md-nav__item">
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<a href="../examples/grpc/" title="gRPC" class="md-nav__link">
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gRPC
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</a>
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<li class="md-nav__item">
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<a href="../examples/multi-tls/" title="Multi TLS certificate termination" class="md-nav__link">
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Multi TLS certificate termination
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</a>
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<li class="md-nav__item">
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<a href="../examples/rewrite/" title="Rewrite" class="md-nav__link">
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Rewrite
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</a>
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<li class="md-nav__item">
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<a href="../examples/static-ip/" title="Static IPs" class="md-nav__link">
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Static IPs
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</a>
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<li class="md-nav__item">
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<a href="../examples/tls-termination/" title="TLS termination" class="md-nav__link">
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TLS termination
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</a>
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<li class="md-nav__item">
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<a href="../examples/psp/" title="Pod Security Policy (PSP)" class="md-nav__link">
|
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Pod Security Policy (PSP)
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</a>
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</ul>
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</nav>
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</ul>
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</nav>
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</div>
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</div>
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<div class="md-sidebar md-sidebar--secondary" data-md-component="toc">
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<div class="md-sidebar__scrollwrap">
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<div class="md-sidebar__inner">
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<nav class="md-nav md-nav--secondary">
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<label class="md-nav__title" for="__toc">Table of contents</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<a href="#contents" class="md-nav__link">
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Contents
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</a>
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<li class="md-nav__item">
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<a href="#prerequisite-generic-deployment-command" class="md-nav__link">
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Prerequisite Generic Deployment Command
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</a>
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<nav class="md-nav">
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<ul class="md-nav__list">
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Provider Specific Steps
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</a>
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<nav class="md-nav">
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<ul class="md-nav__list">
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<li class="md-nav__item">
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<a href="#docker-for-mac" class="md-nav__link">
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Docker for Mac
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#minikube" class="md-nav__link">
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minikube
|
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="#aws" class="md-nav__link">
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AWS
|
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</a>
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<nav class="md-nav">
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<ul class="md-nav__list">
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<li class="md-nav__item">
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<a href="#elastic-load-balancer-elb" class="md-nav__link">
|
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Elastic Load Balancer - ELB
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#elb-idle-timeouts" class="md-nav__link">
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ELB Idle Timeouts
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#network-load-balancer-nlb" class="md-nav__link">
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Network Load Balancer (NLB)
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
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<a href="#gce-gke" class="md-nav__link">
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GCE-GKE
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#azure" class="md-nav__link">
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Azure
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</a>
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<li class="md-nav__item">
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<a href="#bare-metal" class="md-nav__link">
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Bare-metal
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</nav>
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<li class="md-nav__item">
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<a href="#verify-installation" class="md-nav__link">
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Verify installation
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#detect-installed-version" class="md-nav__link">
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Detect installed version
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</a>
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</li>
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</ul>
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<li class="md-nav__item">
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<a href="#using-helm" class="md-nav__link">
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Using Helm
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</a>
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</ul>
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</div>
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<div class="md-content">
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<article class="md-content__inner md-typeset">
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<a href="https://github.com/kubernetes/ingress-nginx/edit/master/docs/deploy/index.md" title="Edit this page" class="md-icon md-content__icon"></a>
|
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<h1 id="installation-guide">Installation Guide<a class="headerlink" href="#installation-guide" title="Permanent link"> ¶</a></h1>
|
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<h2 id="contents">Contents<a class="headerlink" href="#contents" title="Permanent link"> ¶</a></h2>
|
|
<ul>
|
|
<li><a href="#prerequisite-generic-deployment-command">Prerequisite Generic Deployment Command</a></li>
|
|
<li><a href="#provider-specific-steps">Provider Specific Steps</a><ul>
|
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<li><a href="#docker-for-mac">Docker for Mac</a></li>
|
|
<li><a href="#minikube">minikube</a></li>
|
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<li><a href="#aws">AWS</a></li>
|
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<li><a href="#gce-gke">GCE - GKE</a></li>
|
|
<li><a href="#azure">Azure</a></li>
|
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<li><a href="#bare-metal">Bare-metal</a></li>
|
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</ul>
|
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</li>
|
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<li><a href="#verify-installation">Verify installation</a></li>
|
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<li><a href="#detect-installed-version">Detect installed version</a></li>
|
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<li><a href="#using-helm">Using Helm</a></li>
|
|
</ul>
|
|
<h2 id="prerequisite-generic-deployment-command">Prerequisite Generic Deployment Command<a class="headerlink" href="#prerequisite-generic-deployment-command" title="Permanent link"> ¶</a></h2>
|
|
<div class="admonition attention">
|
|
<p class="admonition-title">Attention</p>
|
|
<p>The default configuration watches Ingress object from <em>all the namespaces</em>.
|
|
To change this behavior use the flag <code class="codehilite"><span class="err">--watch-namespace</span></code> to limit the scope to a particular namespace.</p>
|
|
</div>
|
|
<div class="admonition warning">
|
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<p class="admonition-title">Warning</p>
|
|
<p>If multiple Ingresses define different paths for the same host, the ingress controller will merge the definitions.</p>
|
|
</div>
|
|
<div class="admonition attention">
|
|
<p class="admonition-title">Attention</p>
|
|
<p>If you're using GKE you need to initialize your user as a cluster-admin with the following command:
|
|
<div class="codehilite"><pre><span></span><code><span class="go">kubectl create clusterrolebinding cluster-admin-binding \</span>
|
|
<span class="go"> --clusterrole cluster-admin \</span>
|
|
<span class="go"> --user $(gcloud config get-value account)</span>
|
|
</code></pre></div></p>
|
|
</div>
|
|
<p>The following <strong>Mandatory Command</strong> is required for all deployments.</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/nginx-0.30.0/deploy/static/mandatory.yaml</span>
|
|
</code></pre></div>
|
|
|
|
<div class="admonition tip">
|
|
<p class="admonition-title">Tip</p>
|
|
<p>If you are using a Kubernetes version previous to 1.14, you need to change <code class="codehilite"><span class="err">kubernetes.io/os</span></code> to <code class="codehilite"><span class="err">beta.kubernetes.io/os</span></code> at line 217 of <a href="https://github.com/kubernetes/ingress-nginx/blob/master/deploy/static/mandatory.yaml#L217">mandatory.yaml</a>, see <a href="https://kubernetes.io/docs/reference/kubernetes-api/labels-annotations-taints/">Labels details</a>.</p>
|
|
</div>
|
|
<h3 id="provider-specific-steps">Provider Specific Steps<a class="headerlink" href="#provider-specific-steps" title="Permanent link"> ¶</a></h3>
|
|
<p>There are cloud provider specific yaml files.</p>
|
|
<h4 id="docker-for-mac">Docker for Mac<a class="headerlink" href="#docker-for-mac" title="Permanent link"> ¶</a></h4>
|
|
<p>Kubernetes is available in Docker for Mac (from <a href="https://docs.docker.com/docker-for-mac/release-notes/#stable-releases-of-2018">version 18.06.0-ce</a>)</p>
|
|
<p>Create a service</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/nginx-0.30.0/deploy/static/provider/cloud-generic.yaml</span>
|
|
</code></pre></div>
|
|
|
|
<h4 id="minikube">minikube<a class="headerlink" href="#minikube" title="Permanent link"> ¶</a></h4>
|
|
<p>For standard usage:</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">minikube addons enable ingress</span>
|
|
</code></pre></div>
|
|
|
|
<p>For development:</p>
|
|
<ol>
|
|
<li>Disable the ingress addon:</li>
|
|
</ol>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">minikube addons disable ingress</span>
|
|
</code></pre></div>
|
|
|
|
<ol>
|
|
<li>Execute <code class="codehilite"><span class="err">make dev-env</span></code></li>
|
|
<li>Confirm the <code class="codehilite"><span class="err">nginx-ingress-controller</span></code> deployment exists:</li>
|
|
</ol>
|
|
<div class="codehilite"><pre><span></span><code><span class="gp">$</span> kubectl get pods -n ingress-nginx
|
|
<span class="go">NAME READY STATUS RESTARTS AGE</span>
|
|
<span class="go">nginx-ingress-controller-fdcdcd6dd-vvpgs 1/1 Running 0 11s</span>
|
|
</code></pre></div>
|
|
|
|
<h4 id="aws">AWS<a class="headerlink" href="#aws" title="Permanent link"> ¶</a></h4>
|
|
<p>In AWS we use an Elastic Load Balancer (ELB) to expose the NGINX Ingress controller behind a Service of <code class="codehilite"><span class="err">Type=LoadBalancer</span></code>.
|
|
Since Kubernetes v1.9.0 it is possible to use a classic load balancer (ELB) or network load balancer (NLB)
|
|
Please check the <a href="https://aws.amazon.com/elasticloadbalancing/details/">elastic load balancing AWS details page</a></p>
|
|
<h5 id="elastic-load-balancer-elb">Elastic Load Balancer - ELB<a class="headerlink" href="#elastic-load-balancer-elb" title="Permanent link"> ¶</a></h5>
|
|
<p>This setup requires to choose in which layer (L4 or L7) we want to configure the ELB:</p>
|
|
<ul>
|
|
<li><a href="https://en.wikipedia.org/wiki/OSI_model#Layer_4:_Transport_Layer">Layer 4</a>: use TCP as the listener protocol for ports 80 and 443.</li>
|
|
<li><a href="https://en.wikipedia.org/wiki/OSI_model#Layer_7:_Application_Layer">Layer 7</a>: use HTTP as the listener protocol for port 80 and terminate TLS in the ELB</li>
|
|
</ul>
|
|
<p>For L4:</p>
|
|
<p>Check that no change is necessary with regards to the ELB idle timeout. In some scenarios, users may want to modify the ELB idle timeout, so please check the <a href="#elb-idle-timeouts">ELB Idle Timeouts section</a> for additional information. If a change is required, users will need to update the value of <code class="codehilite"><span class="err">service.beta.kubernetes.io/aws-load-balancer-connection-idle-timeout</span></code> in <code class="codehilite"><span class="err">provider/aws/service-l4.yaml</span></code></p>
|
|
<p>Then execute:</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/nginx-0.30.0/deploy/static/provider/aws/service-l4.yaml</span>
|
|
<span class="go">kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/nginx-0.30.0/deploy/static/provider/aws/patch-configmap-l4.yaml</span>
|
|
</code></pre></div>
|
|
|
|
<p>For L7:</p>
|
|
<p>Change line of the file <code class="codehilite"><span class="err">provider/aws/service-l7.yaml</span></code> replacing the dummy id with a valid one <code class="codehilite"><span class="err">"arn:aws:acm:us-west-2:XXXXXXXX:certificate/XXXXXX-XXXXXXX-XXXXXXX-XXXXXXXX"</span></code></p>
|
|
<p>Check that no change is necessary with regards to the ELB idle timeout. In some scenarios, users may want to modify the ELB idle timeout, so please check the <a href="#elb-idle-timeouts">ELB Idle Timeouts section</a> for additional information. If a change is required, users will need to update the value of <code class="codehilite"><span class="err">service.beta.kubernetes.io/aws-load-balancer-connection-idle-timeout</span></code> in <code class="codehilite"><span class="err">provider/aws/service-l7.yaml</span></code></p>
|
|
<p>Then execute:</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/nginx-0.30.0/deploy/static/provider/aws/service-l7.yaml</span>
|
|
<span class="go">kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/nginx-0.30.0/deploy/static/provider/aws/patch-configmap-l7.yaml</span>
|
|
</code></pre></div>
|
|
|
|
<p>This example creates an ELB with just two listeners, one in port 80 and another in port 443</p>
|
|
<p><img alt="Listeners" src="../images/elb-l7-listener.png" /></p>
|
|
<h5 id="elb-idle-timeouts">ELB Idle Timeouts<a class="headerlink" href="#elb-idle-timeouts" title="Permanent link"> ¶</a></h5>
|
|
<p>In some scenarios users will need to modify the value of the ELB idle timeout. Users need to ensure the idle timeout is less than the <a href="http://nginx.org/en/docs/http/ngx_http_core_module.html#keepalive_timeout">keepalive_timeout</a> that is configured for NGINX. By default NGINX <code class="codehilite"><span class="err">keepalive_timeout</span></code> is set to <code class="codehilite"><span class="err">75s</span></code>.</p>
|
|
<p>The default ELB idle timeout will work for most scenarios, unless the NGINX <a href="http://nginx.org/en/docs/http/ngx_http_core_module.html#keepalive_timeout">keepalive_timeout</a> has been modified, in which case <code class="codehilite"><span class="err">service.beta.kubernetes.io/aws-load-balancer-connection-idle-timeout</span></code> will need to be modified to ensure it is less than the <code class="codehilite"><span class="err">keepalive_timeout</span></code> the user has configured.</p>
|
|
<p><em>Please Note: An idle timeout of <code class="codehilite"><span class="err">3600s</span></code> is recommended when using WebSockets.</em></p>
|
|
<p>More information with regards to idle timeouts for your Load Balancer can be found in the <a href="https://docs.aws.amazon.com/elasticloadbalancing/latest/classic/config-idle-timeout.html">official AWS documentation</a>.</p>
|
|
<h5 id="network-load-balancer-nlb">Network Load Balancer (NLB)<a class="headerlink" href="#network-load-balancer-nlb" title="Permanent link"> ¶</a></h5>
|
|
<p>This type of load balancer is supported since v1.10.0 as an ALPHA feature.</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/nginx-0.30.0/deploy/static/provider/aws/service-nlb.yaml</span>
|
|
</code></pre></div>
|
|
|
|
<h4 id="gce-gke">GCE-GKE<a class="headerlink" href="#gce-gke" title="Permanent link"> ¶</a></h4>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/nginx-0.30.0/deploy/static/provider/cloud-generic.yaml</span>
|
|
</code></pre></div>
|
|
|
|
<p><strong>Important Note:</strong> proxy protocol is not supported in GCE/GKE</p>
|
|
<h4 id="azure">Azure<a class="headerlink" href="#azure" title="Permanent link"> ¶</a></h4>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/nginx-0.30.0/deploy/static/provider/cloud-generic.yaml</span>
|
|
</code></pre></div>
|
|
|
|
<h4 id="bare-metal">Bare-metal<a class="headerlink" href="#bare-metal" title="Permanent link"> ¶</a></h4>
|
|
<p>Using <a href="https://kubernetes.io/docs/concepts/services-networking/service/#type-nodeport">NodePort</a>:</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/nginx-0.30.0/deploy/static/provider/baremetal/service-nodeport.yaml</span>
|
|
</code></pre></div>
|
|
|
|
<div class="admonition tip">
|
|
<p class="admonition-title">Tip</p>
|
|
<p>For extended notes regarding deployments on bare-metal, see <a href="baremetal/">Bare-metal considerations</a>.</p>
|
|
</div>
|
|
<h3 id="verify-installation">Verify installation<a class="headerlink" href="#verify-installation" title="Permanent link"> ¶</a></h3>
|
|
<p>To check if the ingress controller pods have started, run the following command:</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">kubectl get pods --all-namespaces -l app.kubernetes.io/name=ingress-nginx --watch</span>
|
|
</code></pre></div>
|
|
|
|
<p>Once the operator pods are running, you can cancel the above command by typing <code class="codehilite"><span class="err">Ctrl+C</span></code>.
|
|
Now, you are ready to create your first ingress.</p>
|
|
<h3 id="detect-installed-version">Detect installed version<a class="headerlink" href="#detect-installed-version" title="Permanent link"> ¶</a></h3>
|
|
<p>To detect which version of the ingress controller is running, exec into the pod and run <code class="codehilite"><span class="err">nginx-ingress-controller version</span></code> command.</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">POD_NAMESPACE=ingress-nginx</span>
|
|
<span class="go">POD_NAME=$(kubectl get pods -n $POD_NAMESPACE -l app.kubernetes.io/name=ingress-nginx -o jsonpath='{.items[0].metadata.name}')</span>
|
|
|
|
<span class="go">kubectl exec -it $POD_NAME -n $POD_NAMESPACE -- /nginx-ingress-controller --version</span>
|
|
</code></pre></div>
|
|
|
|
<h2 id="using-helm">Using Helm<a class="headerlink" href="#using-helm" title="Permanent link"> ¶</a></h2>
|
|
<p>NGINX Ingress controller can be installed via <a href="https://helm.sh/">Helm</a> using the chart <a href="https://github.com/kubernetes/charts/tree/master/stable/nginx-ingress">stable/nginx-ingress</a> from the official charts repository.
|
|
To install the chart with the release name <code class="codehilite"><span class="err">my-nginx</span></code>:</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">helm install my-nginx stable/nginx-ingress</span>
|
|
</code></pre></div>
|
|
|
|
<p>If the kubernetes cluster has RBAC enabled, then run:</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">helm install my-nginx stable/nginx-ingress --set rbac.create=true</span>
|
|
</code></pre></div>
|
|
|
|
<p>If you are using <a href="https://v2.helm.sh/">Helm 2</a> then specify release name using <code class="codehilite"><span class="err">--name</span></code> flag</p>
|
|
<p><div class="codehilite"><pre><span></span><code><span class="go">helm install stable/nginx-ingress --name my-nginx</span>
|
|
</code></pre></div>
|
|
or
|
|
<div class="codehilite"><pre><span></span><code><span class="go">helm install stable/nginx-ingress --name my-nginx --set rbac.create=true</span>
|
|
</code></pre></div></p>
|
|
<p>Detect installed version:</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">POD_NAME=$(kubectl get pods -l app.kubernetes.io/name=ingress-nginx -o jsonpath='{.items[0].metadata.name}')</span>
|
|
<span class="go">kubectl exec -it $POD_NAME -- /nginx-ingress-controller --version</span>
|
|
</code></pre></div>
|
|
|
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