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19 lines
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HTML
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href=#local-build class=md-nav__link> Local build </a> </li> <li class=md-nav__item> <a href=#testing class=md-nav__link> Testing </a> </li> <li class=md-nav__item> <a href=#custom-docker-image class=md-nav__link> Custom docker image </a> </li> </ul> </nav> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=../code-overview/ class=md-nav__link> Code Overview </a> </li> </ul> </nav> </li> </ul> </nav> </div> </div> </div> <div class="md-sidebar md-sidebar--secondary" data-md-component=toc> <div class=md-sidebar__scrollwrap> <div class=md-sidebar__inner> <nav class="md-nav md-nav--secondary" aria-label="Table of contents"> <label class=md-nav__title for=__toc> <span class="md-nav__icon md-icon"></span> Table of contents </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=#prerequisites class=md-nav__link> Prerequisites </a> </li> <li class=md-nav__item> <a href=#quick-start class=md-nav__link> Quick Start </a> <nav class=md-nav aria-label="Quick Start"> <ul class=md-nav__list> <li class=md-nav__item> <a href=#local-build class=md-nav__link> Local build </a> </li> <li class=md-nav__item> <a href=#testing class=md-nav__link> Testing </a> </li> <li class=md-nav__item> <a href=#custom-docker-image class=md-nav__link> Custom docker image </a> </li> </ul> </nav> </li> </ul> </nav> </div> </div> </div> <div class=md-content> <article class="md-content__inner md-typeset"> <a href=https://github.com/kubernetes/ingress-nginx/edit/master/docs/developer-guide/getting-started.md title="Edit this page" class="md-content__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20.71 7.04c.39-.39.39-1.04 0-1.41l-2.34-2.34c-.37-.39-1.02-.39-1.41 0l-1.84 1.83 3.75 3.75M3 17.25V21h3.75L17.81 9.93l-3.75-3.75L3 17.25z"/></svg> </a> <h1 id=developing-for-nginx-ingress-controller>Developing for NGINX Ingress Controller<a class=headerlink href=#developing-for-nginx-ingress-controller title="Permanent link"> ¶</a></h1> <p>This document explains how to get started with developing for NGINX Ingress controller.</p> <h2 id=prerequisites>Prerequisites<a class=headerlink href=#prerequisites title="Permanent link"> ¶</a></h2> <p>Install <a href=https://golang.org/dl/ >Go 1.14</a> or later.</p> <div class="admonition note"> <p class=admonition-title>Note</p> <p>The project uses <a href=https://github.com/golang/go/wiki/Modules>Go Modules</a></p> </div> <p>Install <a href=https://docs.docker.com/engine/install/ >Docker</a> (v19.03.0 or later with experimental feature on)</p> <div class="admonition important"> <p class=admonition-title>Important</p> <p>The majority of make tasks run as docker containers</p> </div> <h2 id=quick-start>Quick Start<a class=headerlink href=#quick-start title="Permanent link"> ¶</a></h2> <ol> <li>Fork the repository</li> <li>Clone the repository to any location in your work station</li> <li>Add a <code>GO111MODULE</code> environment variable with <code>export GO111MODULE=on</code></li> <li>Run <code>go mod download</code> to install dependencies</li> </ol> <h3 id=local-build>Local build<a class=headerlink href=#local-build title="Permanent link"> ¶</a></h3> <p>Start a local Kubernetes cluster using <a href=https://kind.sigs.k8s.io/ >kind</a>, build and deploy the ingress controller</p> <div class=highlight><pre><span></span><code><span class=go>make dev-env</span>
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</code></pre></div> <h3 id=testing>Testing<a class=headerlink href=#testing title="Permanent link"> ¶</a></h3> <p><strong>Run go unit tests</strong></p> <div class=highlight><pre><span></span><code><span class=go>make test</span>
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</code></pre></div> <p><strong>Run unit-tests for lua code</strong></p> <div class=highlight><pre><span></span><code><span class=go>make lua-test</span>
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</code></pre></div> <p>Lua tests are located in the directory <code>rootfs/etc/nginx/lua/test</code></p> <div class="admonition important"> <p class=admonition-title>Important</p> <p>Test files must follow the naming convention <code><mytest>_test.lua</code> or it will be ignored</p> </div> <p><strong>Run e2e test suite</strong></p> <div class=highlight><pre><span></span><code><span class=go>make kind-e2e-test</span>
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</code></pre></div> <p>To limit the scope of the tests to execute, we can use the environment variable <code>FOCUS</code></p> <div class=highlight><pre><span></span><code><span class=go>FOCUS="no-auth-locations" make kind-e2e-test</span>
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</code></pre></div> <div class="admonition note"> <p class=admonition-title>Note</p> <p>The variable <code>FOCUS</code> defines Ginkgo <a href=https://onsi.github.io/ginkgo/#focused-specs>Focused Specs</a></p> </div> <p>Valid values are defined in the describe definition of the e2e tests like <a href=https://github.com/kubernetes/ingress-nginx/blob/master/test/e2e/defaultbackend/default_backend.go#L29>Default Backend</a></p> <p>The complete list of tests can be found <a href=e2e-tests.md>here</a></p> <h3 id=custom-docker-image>Custom docker image<a class=headerlink href=#custom-docker-image title="Permanent link"> ¶</a></h3> <p>In some cases, it can be useful to build a docker image and publish such an image to a private or custom registry location.</p> <p>This can be done setting two environment variables, <code>REGISTRY</code> and <code>TAG</code></p> <div class=highlight><pre><span></span><code><span class=go>export TAG="dev"</span>
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<span class=go>export REGISTRY="$USER"</span>
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<span class=go>make build image</span>
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</code></pre></div> <p>and then publish such version with</p> <div class=highlight><pre><span></span><code><span class=go>docker push $REGISTRY/controller:$TAG</span>
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