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Setting up External-DNS for Services on Akamai Edge DNS
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Using ExternalDNS with alb-ingress-controller
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Setting up ExternalDNS for Services on Alibaba Cloud
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Setting up ExternalDNS using AWS Cloud Map API
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Setting up ExternalDNS for Services on AWS
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Set up ExternalDNS for Azure Private DNS
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Setting up ExternalDNS for Services on Azure
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Cleanup
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Setting cloudflare-proxied on a per-ingress basis
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Setting up External DNS with Contour
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Setting up ExternalDNS for CoreDNS with minikube
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Setting up ExternalDNS for Services on OpenStack Designate
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Setting up ExternalDNS for Services on DigitalOcean
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Setting up ExternalDNS for Services on DNSimple
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Setting up ExternalDNS for Dyn
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Setting up ExternalDNS for Exoscale
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Setting up ExternalDNS for ExternalName Services
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<a href="../gandi/" class="md-nav__link">
Setting up ExternalDNS for Services on Gandi
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</li>
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Configuring ExternalDNS to use Gateway API Route Sources
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<a href="../gke/" class="md-nav__link">
Setting up ExternalDNS on Google Kubernetes Engine
</a>
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<a href="../gloo-proxy/" class="md-nav__link">
Configuring ExternalDNS to use the Gloo Proxy Source
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<a href="../godaddy/" class="md-nav__link">
Setting up ExternalDNS for Services on GoDaddy
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<a href="../hostport/" class="md-nav__link">
Setting up ExternalDNS for Headless Services
</a>
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<a href="../ibmcloud/" class="md-nav__link">
Setting up ExternalDNS for Services on IBMCloud
</a>
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<a href="../infoblox/" class="md-nav__link">
Setting up ExternalDNS for Infoblox
</a>
</li>
<li class="md-nav__item">
<a href="../istio/" class="md-nav__link">
Configuring ExternalDNS to use the Istio Gateway and/or Istio Virtual Service Source
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<a href="../kong/" class="md-nav__link">
Configuring ExternalDNS to use the Kong TCPIngress Source
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kOps dns-controller compatibility mode
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Using ExternalDNS with kube-ingress-aws-controller
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Setting up ExternalDNS for Services on Linode
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Setting up ExternalDNS on GKE with nginx-ingress-controller
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Configuring ExternalDNS to use Cluster Nodes as Source
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Creating NS record with CRD source
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Setting up ExternalDNS for Services on NS1
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Configuring ExternalDNS to use the OpenShift Route Source
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<a href="../oracle/" class="md-nav__link">
Setting up ExternalDNS for Oracle Cloud Infrastructure (OCI)
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Setting up ExternalDNS for Services on OVH
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Setting up ExternalDNS for PowerDNS
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Setting up ExternalDNS for Services on Plural
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Setting up ExternalDNS using the same domain for public and private Route53 zones
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<a href="../rcodezero/" class="md-nav__link">
Setting up ExternalDNS for Services on RcodeZero
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Setting up ExternalDNS for RancherDNS(RDNS) with kubernetes
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Configuring RFC2136 provider
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Setting up ExternalDNS for Services on Scaleway
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Running ExternalDNS with limited privileges
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<a href="../tencentcloud/" class="md-nav__link">
Setting up ExternalDNS for Tencent Cloud
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Setting up ExternalDNS for Services on TransIP
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Setting up ExternalDNS for Services on UltraDNS
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Setting up ExternalDNS for VinylDNS
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Setting up ExternalDNS for Services on Vultr
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<h1 id="setting-up-externaldns-for-services-on-cloudflare">Setting up ExternalDNS for Services on Cloudflare<a class="headerlink" href="#setting-up-externaldns-for-services-on-cloudflare" title="Permanent link">&para;</a></h1>
<p>This tutorial describes how to setup ExternalDNS for usage within a Kubernetes cluster using Cloudflare DNS.</p>
<p>Make sure to use <strong>&gt;=0.4.2</strong> version of ExternalDNS for this tutorial.</p>
<h2 id="creating-a-cloudflare-dns-zone">Creating a Cloudflare DNS zone<a class="headerlink" href="#creating-a-cloudflare-dns-zone" title="Permanent link">&para;</a></h2>
<p>We highly recommend to read this tutorial if you haven&rsquo;t used Cloudflare before:</p>
<p><a href="https://support.cloudflare.com/hc/en-us/articles/201720164-Step-2-Create-a-Cloudflare-account-and-add-a-website">Create a Cloudflare account and add a website</a></p>
<h2 id="creating-cloudflare-credentials">Creating Cloudflare Credentials<a class="headerlink" href="#creating-cloudflare-credentials" title="Permanent link">&para;</a></h2>
<p>Snippet from <a href="https://api.cloudflare.com/#getting-started-endpoints">Cloudflare - Getting Started</a>:</p>
<blockquote>
<p>Cloudflare&rsquo;s API exposes the entire Cloudflare infrastructure via a standardized programmatic interface. Using Cloudflare&rsquo;s API, you can do just about anything you can do on cloudflare.com via the customer dashboard.</p>
<p>The Cloudflare API is a RESTful API based on HTTPS requests and JSON responses. If you are registered with Cloudflare, you can obtain your API key from the bottom of the &ldquo;My Account&rdquo; page, found here: <a href="https://dash.cloudflare.com/profile">Go to My account</a>.</p>
</blockquote>
<p>API Token will be preferred for authentication if <code>CF_API_TOKEN</code> environment variable is set. <br />
Otherwise <code>CF_API_KEY</code> and <code>CF_API_EMAIL</code> should be set to run ExternalDNS with Cloudflare.</p>
<p>When using API Token authentication, the token should be granted Zone <code>Read</code>, DNS <code>Edit</code> privileges, and access to <code>All zones</code>.</p>
<p>If you would like to further restrict the API permissions to a specific zone (or zones), you also need to use the <code>--zone-id-filter</code> so that the underlying API requests only access the zones that you explicitly specify, as opposed to accessing all zones.</p>
<h2 id="deploy-externaldns">Deploy ExternalDNS<a class="headerlink" href="#deploy-externaldns" title="Permanent link">&para;</a></h2>
<p>Connect your <code>kubectl</code> client to the cluster you want to test ExternalDNS with.<br />
Then apply one of the following manifests file to deploy ExternalDNS.</p>
<h3 id="manifest-for-clusters-without-rbac-enabled">Manifest (for clusters without RBAC enabled)<a class="headerlink" href="#manifest-for-clusters-without-rbac-enabled" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="nt">apiVersion</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">apps/v1</span><span class="w"></span>
<a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a><span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">Deployment</span><span class="w"></span>
<a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a><span class="nt">metadata</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">external-dns</span><span class="w"></span>
<a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a><span class="nt">spec</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a><span class="w"> </span><span class="nt">strategy</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a><span class="w"> </span><span class="nt">type</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">Recreate</span><span class="w"></span>
<a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a><span class="w"> </span><span class="nt">selector</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a><span class="w"> </span><span class="nt">matchLabels</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a><span class="w"> </span><span class="nt">app</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">external-dns</span><span class="w"></span>
<a id="__codelineno-0-11" name="__codelineno-0-11" href="#__codelineno-0-11"></a><span class="w"> </span><span class="nt">template</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-0-12" name="__codelineno-0-12" href="#__codelineno-0-12"></a><span class="w"> </span><span class="nt">metadata</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-0-13" name="__codelineno-0-13" href="#__codelineno-0-13"></a><span class="w"> </span><span class="nt">labels</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-0-14" name="__codelineno-0-14" href="#__codelineno-0-14"></a><span class="w"> </span><span class="nt">app</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">external-dns</span><span class="w"></span>
<a id="__codelineno-0-15" name="__codelineno-0-15" href="#__codelineno-0-15"></a><span class="w"> </span><span class="nt">spec</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-0-16" name="__codelineno-0-16" href="#__codelineno-0-16"></a><span class="w"> </span><span class="nt">containers</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-0-17" name="__codelineno-0-17" href="#__codelineno-0-17"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">external-dns</span><span class="w"></span>
<a id="__codelineno-0-18" name="__codelineno-0-18" href="#__codelineno-0-18"></a><span class="w"> </span><span class="nt">image</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">k8s.gcr.io/external-dns/external-dns:v0.7.6</span><span class="w"></span>
<a id="__codelineno-0-19" name="__codelineno-0-19" href="#__codelineno-0-19"></a><span class="w"> </span><span class="nt">args</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-0-20" name="__codelineno-0-20" href="#__codelineno-0-20"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">--source=service</span><span class="w"> </span><span class="c1"># ingress is also possible</span><span class="w"></span>
<a id="__codelineno-0-21" name="__codelineno-0-21" href="#__codelineno-0-21"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">--domain-filter=example.com</span><span class="w"> </span><span class="c1"># (optional) limit to only example.com domains; change to match the zone created above.</span><span class="w"></span>
<a id="__codelineno-0-22" name="__codelineno-0-22" href="#__codelineno-0-22"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">--zone-id-filter=023e105f4ecef8ad9ca31a8372d0c353</span><span class="w"> </span><span class="c1"># (optional) limit to a specific zone.</span><span class="w"></span>
<a id="__codelineno-0-23" name="__codelineno-0-23" href="#__codelineno-0-23"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">--provider=cloudflare</span><span class="w"></span>
<a id="__codelineno-0-24" name="__codelineno-0-24" href="#__codelineno-0-24"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">--cloudflare-proxied</span><span class="w"> </span><span class="c1"># (optional) enable the proxy feature of Cloudflare (DDOS protection, CDN...)</span><span class="w"></span>
<a id="__codelineno-0-25" name="__codelineno-0-25" href="#__codelineno-0-25"></a><span class="w"> </span><span class="nt">env</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-0-26" name="__codelineno-0-26" href="#__codelineno-0-26"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">CF_API_KEY</span><span class="w"></span>
<a id="__codelineno-0-27" name="__codelineno-0-27" href="#__codelineno-0-27"></a><span class="w"> </span><span class="nt">value</span><span class="p">:</span><span class="w"> </span><span class="s">&quot;YOUR_CLOUDFLARE_API_KEY&quot;</span><span class="w"></span>
<a id="__codelineno-0-28" name="__codelineno-0-28" href="#__codelineno-0-28"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">CF_API_EMAIL</span><span class="w"></span>
<a id="__codelineno-0-29" name="__codelineno-0-29" href="#__codelineno-0-29"></a><span class="w"> </span><span class="nt">value</span><span class="p">:</span><span class="w"> </span><span class="s">&quot;YOUR_CLOUDFLARE_EMAIL&quot;</span><span class="w"></span>
</code></pre></div>
<h3 id="manifest-for-clusters-with-rbac-enabled">Manifest (for clusters with RBAC enabled)<a class="headerlink" href="#manifest-for-clusters-with-rbac-enabled" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="nt">apiVersion</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">v1</span><span class="w"></span>
<a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a><span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">ServiceAccount</span><span class="w"></span>
<a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a><span class="nt">metadata</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">external-dns</span><span class="w"></span>
<a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a><span class="nn">---</span><span class="w"></span>
<a id="__codelineno-1-6" name="__codelineno-1-6" href="#__codelineno-1-6"></a><span class="nt">apiVersion</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">rbac.authorization.k8s.io/v1</span><span class="w"></span>
<a id="__codelineno-1-7" name="__codelineno-1-7" href="#__codelineno-1-7"></a><span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">ClusterRole</span><span class="w"></span>
<a id="__codelineno-1-8" name="__codelineno-1-8" href="#__codelineno-1-8"></a><span class="nt">metadata</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-9" name="__codelineno-1-9" href="#__codelineno-1-9"></a><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">external-dns</span><span class="w"></span>
<a id="__codelineno-1-10" name="__codelineno-1-10" href="#__codelineno-1-10"></a><span class="nt">rules</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-11" name="__codelineno-1-11" href="#__codelineno-1-11"></a><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">apiGroups</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">[</span><span class="s">&quot;&quot;</span><span class="p p-Indicator">]</span><span class="w"></span>
<a id="__codelineno-1-12" name="__codelineno-1-12" href="#__codelineno-1-12"></a><span class="w"> </span><span class="nt">resources</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">[</span><span class="s">&quot;services&quot;</span><span class="p p-Indicator">,</span><span class="s">&quot;endpoints&quot;</span><span class="p p-Indicator">,</span><span class="s">&quot;pods&quot;</span><span class="p p-Indicator">]</span><span class="w"></span>
<a id="__codelineno-1-13" name="__codelineno-1-13" href="#__codelineno-1-13"></a><span class="w"> </span><span class="nt">verbs</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">[</span><span class="s">&quot;get&quot;</span><span class="p p-Indicator">,</span><span class="s">&quot;watch&quot;</span><span class="p p-Indicator">,</span><span class="s">&quot;list&quot;</span><span class="p p-Indicator">]</span><span class="w"></span>
<a id="__codelineno-1-14" name="__codelineno-1-14" href="#__codelineno-1-14"></a><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">apiGroups</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">[</span><span class="s">&quot;extensions&quot;</span><span class="p p-Indicator">,</span><span class="s">&quot;networking.k8s.io&quot;</span><span class="p p-Indicator">]</span><span class="w"></span>
<a id="__codelineno-1-15" name="__codelineno-1-15" href="#__codelineno-1-15"></a><span class="w"> </span><span class="nt">resources</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">[</span><span class="s">&quot;ingresses&quot;</span><span class="p p-Indicator">]</span><span class="w"> </span>
<a id="__codelineno-1-16" name="__codelineno-1-16" href="#__codelineno-1-16"></a><span class="w"> </span><span class="nt">verbs</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">[</span><span class="s">&quot;get&quot;</span><span class="p p-Indicator">,</span><span class="s">&quot;watch&quot;</span><span class="p p-Indicator">,</span><span class="s">&quot;list&quot;</span><span class="p p-Indicator">]</span><span class="w"></span>
<a id="__codelineno-1-17" name="__codelineno-1-17" href="#__codelineno-1-17"></a><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">apiGroups</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">[</span><span class="s">&quot;&quot;</span><span class="p p-Indicator">]</span><span class="w"></span>
<a id="__codelineno-1-18" name="__codelineno-1-18" href="#__codelineno-1-18"></a><span class="w"> </span><span class="nt">resources</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">[</span><span class="s">&quot;nodes&quot;</span><span class="p p-Indicator">]</span><span class="w"></span>
<a id="__codelineno-1-19" name="__codelineno-1-19" href="#__codelineno-1-19"></a><span class="w"> </span><span class="nt">verbs</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">[</span><span class="s">&quot;list&quot;</span><span class="p p-Indicator">,</span><span class="w"> </span><span class="s">&quot;watch&quot;</span><span class="p p-Indicator">]</span><span class="w"></span>
<a id="__codelineno-1-20" name="__codelineno-1-20" href="#__codelineno-1-20"></a><span class="nn">---</span><span class="w"></span>
<a id="__codelineno-1-21" name="__codelineno-1-21" href="#__codelineno-1-21"></a><span class="nt">apiVersion</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">rbac.authorization.k8s.io/v1</span><span class="w"></span>
<a id="__codelineno-1-22" name="__codelineno-1-22" href="#__codelineno-1-22"></a><span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">ClusterRoleBinding</span><span class="w"></span>
<a id="__codelineno-1-23" name="__codelineno-1-23" href="#__codelineno-1-23"></a><span class="nt">metadata</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-24" name="__codelineno-1-24" href="#__codelineno-1-24"></a><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">external-dns-viewer</span><span class="w"></span>
<a id="__codelineno-1-25" name="__codelineno-1-25" href="#__codelineno-1-25"></a><span class="nt">roleRef</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-26" name="__codelineno-1-26" href="#__codelineno-1-26"></a><span class="w"> </span><span class="nt">apiGroup</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">rbac.authorization.k8s.io</span><span class="w"></span>
<a id="__codelineno-1-27" name="__codelineno-1-27" href="#__codelineno-1-27"></a><span class="w"> </span><span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">ClusterRole</span><span class="w"></span>
<a id="__codelineno-1-28" name="__codelineno-1-28" href="#__codelineno-1-28"></a><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">external-dns</span><span class="w"></span>
<a id="__codelineno-1-29" name="__codelineno-1-29" href="#__codelineno-1-29"></a><span class="nt">subjects</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-30" name="__codelineno-1-30" href="#__codelineno-1-30"></a><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">ServiceAccount</span><span class="w"></span>
<a id="__codelineno-1-31" name="__codelineno-1-31" href="#__codelineno-1-31"></a><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">external-dns</span><span class="w"></span>
<a id="__codelineno-1-32" name="__codelineno-1-32" href="#__codelineno-1-32"></a><span class="w"> </span><span class="nt">namespace</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">default</span><span class="w"></span>
<a id="__codelineno-1-33" name="__codelineno-1-33" href="#__codelineno-1-33"></a><span class="nn">---</span><span class="w"></span>
<a id="__codelineno-1-34" name="__codelineno-1-34" href="#__codelineno-1-34"></a><span class="nt">apiVersion</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">apps/v1</span><span class="w"></span>
<a id="__codelineno-1-35" name="__codelineno-1-35" href="#__codelineno-1-35"></a><span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">Deployment</span><span class="w"></span>
<a id="__codelineno-1-36" name="__codelineno-1-36" href="#__codelineno-1-36"></a><span class="nt">metadata</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-37" name="__codelineno-1-37" href="#__codelineno-1-37"></a><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">external-dns</span><span class="w"></span>
<a id="__codelineno-1-38" name="__codelineno-1-38" href="#__codelineno-1-38"></a><span class="nt">spec</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-39" name="__codelineno-1-39" href="#__codelineno-1-39"></a><span class="w"> </span><span class="nt">strategy</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-40" name="__codelineno-1-40" href="#__codelineno-1-40"></a><span class="w"> </span><span class="nt">type</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">Recreate</span><span class="w"></span>
<a id="__codelineno-1-41" name="__codelineno-1-41" href="#__codelineno-1-41"></a><span class="w"> </span><span class="nt">selector</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-42" name="__codelineno-1-42" href="#__codelineno-1-42"></a><span class="w"> </span><span class="nt">matchLabels</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-43" name="__codelineno-1-43" href="#__codelineno-1-43"></a><span class="w"> </span><span class="nt">app</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">external-dns</span><span class="w"></span>
<a id="__codelineno-1-44" name="__codelineno-1-44" href="#__codelineno-1-44"></a><span class="w"> </span><span class="nt">template</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-45" name="__codelineno-1-45" href="#__codelineno-1-45"></a><span class="w"> </span><span class="nt">metadata</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-46" name="__codelineno-1-46" href="#__codelineno-1-46"></a><span class="w"> </span><span class="nt">labels</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-47" name="__codelineno-1-47" href="#__codelineno-1-47"></a><span class="w"> </span><span class="nt">app</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">external-dns</span><span class="w"></span>
<a id="__codelineno-1-48" name="__codelineno-1-48" href="#__codelineno-1-48"></a><span class="w"> </span><span class="nt">spec</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-49" name="__codelineno-1-49" href="#__codelineno-1-49"></a><span class="w"> </span><span class="nt">serviceAccountName</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">external-dns</span><span class="w"></span>
<a id="__codelineno-1-50" name="__codelineno-1-50" href="#__codelineno-1-50"></a><span class="w"> </span><span class="nt">containers</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-51" name="__codelineno-1-51" href="#__codelineno-1-51"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">external-dns</span><span class="w"></span>
<a id="__codelineno-1-52" name="__codelineno-1-52" href="#__codelineno-1-52"></a><span class="w"> </span><span class="nt">image</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">k8s.gcr.io/external-dns/external-dns:v0.7.6</span><span class="w"></span>
<a id="__codelineno-1-53" name="__codelineno-1-53" href="#__codelineno-1-53"></a><span class="w"> </span><span class="nt">args</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-54" name="__codelineno-1-54" href="#__codelineno-1-54"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">--source=service</span><span class="w"> </span><span class="c1"># ingress is also possible</span><span class="w"></span>
<a id="__codelineno-1-55" name="__codelineno-1-55" href="#__codelineno-1-55"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">--domain-filter=example.com</span><span class="w"> </span><span class="c1"># (optional) limit to only example.com domains; change to match the zone created above.</span><span class="w"></span>
<a id="__codelineno-1-56" name="__codelineno-1-56" href="#__codelineno-1-56"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">--zone-id-filter=023e105f4ecef8ad9ca31a8372d0c353</span><span class="w"> </span><span class="c1"># (optional) limit to a specific zone.</span><span class="w"></span>
<a id="__codelineno-1-57" name="__codelineno-1-57" href="#__codelineno-1-57"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">--provider=cloudflare</span><span class="w"></span>
<a id="__codelineno-1-58" name="__codelineno-1-58" href="#__codelineno-1-58"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">--cloudflare-proxied</span><span class="w"> </span><span class="c1"># (optional) enable the proxy feature of Cloudflare (DDOS protection, CDN...)</span><span class="w"></span>
<a id="__codelineno-1-59" name="__codelineno-1-59" href="#__codelineno-1-59"></a><span class="w"> </span><span class="nt">env</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-1-60" name="__codelineno-1-60" href="#__codelineno-1-60"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">CF_API_KEY</span><span class="w"></span>
<a id="__codelineno-1-61" name="__codelineno-1-61" href="#__codelineno-1-61"></a><span class="w"> </span><span class="nt">value</span><span class="p">:</span><span class="w"> </span><span class="s">&quot;YOUR_CLOUDFLARE_API_KEY&quot;</span><span class="w"></span>
<a id="__codelineno-1-62" name="__codelineno-1-62" href="#__codelineno-1-62"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">CF_API_EMAIL</span><span class="w"></span>
<a id="__codelineno-1-63" name="__codelineno-1-63" href="#__codelineno-1-63"></a><span class="w"> </span><span class="nt">value</span><span class="p">:</span><span class="w"> </span><span class="s">&quot;YOUR_CLOUDFLARE_EMAIL&quot;</span><span class="w"></span>
</code></pre></div>
<h2 id="deploying-an-nginx-service">Deploying an Nginx Service<a class="headerlink" href="#deploying-an-nginx-service" title="Permanent link">&para;</a></h2>
<p>Create a service file called &lsquo;nginx.yaml&rsquo; with the following contents:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a><span class="nt">apiVersion</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">apps/v1</span><span class="w"></span>
<a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a><span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">Deployment</span><span class="w"></span>
<a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a><span class="nt">metadata</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-2-4" name="__codelineno-2-4" href="#__codelineno-2-4"></a><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">nginx</span><span class="w"></span>
<a id="__codelineno-2-5" name="__codelineno-2-5" href="#__codelineno-2-5"></a><span class="nt">spec</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-2-6" name="__codelineno-2-6" href="#__codelineno-2-6"></a><span class="w"> </span><span class="nt">selector</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-2-7" name="__codelineno-2-7" href="#__codelineno-2-7"></a><span class="w"> </span><span class="nt">matchLabels</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-2-8" name="__codelineno-2-8" href="#__codelineno-2-8"></a><span class="w"> </span><span class="nt">app</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">nginx</span><span class="w"></span>
<a id="__codelineno-2-9" name="__codelineno-2-9" href="#__codelineno-2-9"></a><span class="w"> </span><span class="nt">template</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-2-10" name="__codelineno-2-10" href="#__codelineno-2-10"></a><span class="w"> </span><span class="nt">metadata</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-2-11" name="__codelineno-2-11" href="#__codelineno-2-11"></a><span class="w"> </span><span class="nt">labels</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-2-12" name="__codelineno-2-12" href="#__codelineno-2-12"></a><span class="w"> </span><span class="nt">app</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">nginx</span><span class="w"></span>
<a id="__codelineno-2-13" name="__codelineno-2-13" href="#__codelineno-2-13"></a><span class="w"> </span><span class="nt">spec</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-2-14" name="__codelineno-2-14" href="#__codelineno-2-14"></a><span class="w"> </span><span class="nt">containers</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-2-15" name="__codelineno-2-15" href="#__codelineno-2-15"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">image</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">nginx</span><span class="w"></span>
<a id="__codelineno-2-16" name="__codelineno-2-16" href="#__codelineno-2-16"></a><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">nginx</span><span class="w"></span>
<a id="__codelineno-2-17" name="__codelineno-2-17" href="#__codelineno-2-17"></a><span class="w"> </span><span class="nt">ports</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-2-18" name="__codelineno-2-18" href="#__codelineno-2-18"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">containerPort</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">80</span><span class="w"></span>
<a id="__codelineno-2-19" name="__codelineno-2-19" href="#__codelineno-2-19"></a><span class="nn">---</span><span class="w"></span>
<a id="__codelineno-2-20" name="__codelineno-2-20" href="#__codelineno-2-20"></a><span class="nt">apiVersion</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">v1</span><span class="w"></span>
<a id="__codelineno-2-21" name="__codelineno-2-21" href="#__codelineno-2-21"></a><span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">Service</span><span class="w"></span>
<a id="__codelineno-2-22" name="__codelineno-2-22" href="#__codelineno-2-22"></a><span class="nt">metadata</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-2-23" name="__codelineno-2-23" href="#__codelineno-2-23"></a><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">nginx</span><span class="w"></span>
<a id="__codelineno-2-24" name="__codelineno-2-24" href="#__codelineno-2-24"></a><span class="w"> </span><span class="nt">annotations</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-2-25" name="__codelineno-2-25" href="#__codelineno-2-25"></a><span class="w"> </span><span class="nt">external-dns.alpha.kubernetes.io/hostname</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">example.com</span><span class="w"></span>
<a id="__codelineno-2-26" name="__codelineno-2-26" href="#__codelineno-2-26"></a><span class="w"> </span><span class="nt">external-dns.alpha.kubernetes.io/ttl</span><span class="p">:</span><span class="w"> </span><span class="s">&quot;120&quot;</span><span class="w"> </span><span class="c1">#optional</span><span class="w"></span>
<a id="__codelineno-2-27" name="__codelineno-2-27" href="#__codelineno-2-27"></a><span class="nt">spec</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-2-28" name="__codelineno-2-28" href="#__codelineno-2-28"></a><span class="w"> </span><span class="nt">selector</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-2-29" name="__codelineno-2-29" href="#__codelineno-2-29"></a><span class="w"> </span><span class="nt">app</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">nginx</span><span class="w"></span>
<a id="__codelineno-2-30" name="__codelineno-2-30" href="#__codelineno-2-30"></a><span class="w"> </span><span class="nt">type</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">LoadBalancer</span><span class="w"></span>
<a id="__codelineno-2-31" name="__codelineno-2-31" href="#__codelineno-2-31"></a><span class="w"> </span><span class="nt">ports</span><span class="p">:</span><span class="w"></span>
<a id="__codelineno-2-32" name="__codelineno-2-32" href="#__codelineno-2-32"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">protocol</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">TCP</span><span class="w"></span>
<a id="__codelineno-2-33" name="__codelineno-2-33" href="#__codelineno-2-33"></a><span class="w"> </span><span class="nt">port</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">80</span><span class="w"></span>
<a id="__codelineno-2-34" name="__codelineno-2-34" href="#__codelineno-2-34"></a><span class="w"> </span><span class="nt">targetPort</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">80</span><span class="w"></span>
</code></pre></div>
<p>Note the annotation on the service; use the same hostname as the Cloudflare DNS zone created above. The annotation may also be a subdomain<br />
of the DNS zone (e.g. &lsquo;www.example.com&rsquo;).</p>
<p>By setting the TTL annotation on the service, you have to pass a valid TTL, which must be 120 or above.<br />
This annotation is optional, if you won&rsquo;t set it, it will be 1 (automatic) which is 300.<br />
For Cloudflare proxied entries, set the TTL annotation to 1 (automatic), or do not set it.</p>
<p>ExternalDNS uses this annotation to determine what services should be registered with DNS. Removing the annotation<br />
will cause ExternalDNS to remove the corresponding DNS records.</p>
<p>Create the deployment and service:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a>$ kubectl create -f nginx.yaml
</code></pre></div>
<p>Depending where you run your service it can take a little while for your cloud provider to create an external IP for the service.</p>
<p>Once the service has an external IP assigned, ExternalDNS will notice the new service IP address and synchronize<br />
the Cloudflare DNS records.</p>
<h2 id="verifying-cloudflare-dns-records">Verifying Cloudflare DNS records<a class="headerlink" href="#verifying-cloudflare-dns-records" title="Permanent link">&para;</a></h2>
<p>Check your <a href="https://www.cloudflare.com/a/dns/example.com">Cloudflare dashboard</a> to view the records for your Cloudflare DNS zone.</p>
<p>Substitute the zone for the one created above if a different domain was used.</p>
<p>This should show the external IP address of the service as the A record for your domain.</p>
<h2 id="cleanup">Cleanup<a class="headerlink" href="#cleanup" title="Permanent link">&para;</a></h2>
<p>Now that we have verified that ExternalDNS will automatically manage Cloudflare DNS records, we can delete the tutorial&rsquo;s example:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a>$ kubectl delete -f nginx.yaml
<a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a>$ kubectl delete -f externaldns.yaml
</code></pre></div>
<h2 id="setting-cloudflare-proxied-on-a-per-ingress-basis">Setting cloudflare-proxied on a per-ingress basis<a class="headerlink" href="#setting-cloudflare-proxied-on-a-per-ingress-basis" title="Permanent link">&para;</a></h2>
<p>Using the <code>external-dns.alpha.kubernetes.io/cloudflare-proxied: "true"</code> annotation on your ingress, you can specify if the proxy feature of Cloudflare should be enabled for that record. This setting will override the global <code>--cloudflare-proxied</code> setting.</p>
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