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@ -596,8 +596,8 @@
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<li class="md-nav__item">
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<a href="../../user-guide/exposing-tcp-udp-services/" title="Exposing TCP and UDP services" class="md-nav__link">
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Exposing TCP and UDP services
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<a href="../../user-guide/ingress-path-matching/" title="Regular expressions in paths" class="md-nav__link">
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Regular expressions in paths
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</a>
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</li>
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@ -916,18 +916,6 @@
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<li class="md-nav__item">
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<a href="../customization/custom-upstream-check/" title="Custom Upstream server checks" class="md-nav__link">
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Custom Upstream server checks
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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="../customization/external-auth-headers/" title="External authentication" class="md-nav__link">
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External authentication
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@ -1196,48 +1184,25 @@ nodes get static IPs, the IPs are not retained across upgrade.</p>
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<p>To acquire a static IP for the nginx ingress controller, simply put it
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behind a Service of <code class="codehilite">Type=LoadBalancer</code>.</p>
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<p>First, create a loadbalancer Service and wait for it to acquire an IP</p>
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<table class="codehilitetable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span>1
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6</pre></div></td><td class="code"><div class="codehilite"><pre><span></span><span class="gp">$</span> kubectl create -f static-ip-svc.yaml
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<div class="codehilite"><pre><span></span><span class="gp">$</span> kubectl create -f static-ip-svc.yaml
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<span class="go">service "nginx-ingress-lb" created</span>
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<span class="gp">$</span> kubectl get svc nginx-ingress-lb
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<span class="go">NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE</span>
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<span class="go">nginx-ingress-lb 10.0.138.113 104.154.109.191 80:31457/TCP,443:32240/TCP 15m</span>
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</pre></div>
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</td></tr></table>
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<p>then, update the ingress controller so it adopts the static IP of the Service
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by passing the <code class="codehilite">--publish-service</code> flag (the example yaml used in the next step
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already has it set to "nginx-ingress-lb").</p>
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<table class="codehilitetable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span>1
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2</pre></div></td><td class="code"><div class="codehilite"><pre><span></span><span class="gp">$</span> kubectl create -f nginx-ingress-controller.yaml
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<div class="codehilite"><pre><span></span><span class="gp">$</span> kubectl create -f nginx-ingress-controller.yaml
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<span class="go">deployment "nginx-ingress-controller" created</span>
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</pre></div>
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</td></tr></table>
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<h2 id="assigning-the-ip-to-an-ingress">Assigning the IP to an Ingress<a class="headerlink" href="#assigning-the-ip-to-an-ingress" title="Permanent link">¶</a></h2>
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<p>From here on every Ingress created with the <code class="codehilite">ingress.class</code> annotation set to
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<code class="codehilite">nginx</code> will get the IP allocated in the previous step</p>
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<table class="codehilitetable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span> 1
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16</pre></div></td><td class="code"><div class="codehilite"><pre><span></span><span class="gp">$</span> kubectl create -f nginx-ingress.yaml
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<div class="codehilite"><pre><span></span><span class="gp">$</span> kubectl create -f nginx-ingress.yaml
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<span class="go">ingress "nginx-ingress" created</span>
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<span class="gp">$</span> kubectl get ing nginx-ingress
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@ -1254,19 +1219,10 @@ already has it set to "nginx-ingress-lb").</p>
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<span class="go">request_uri=http://104.154.109.191:8080/</span>
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<span class="go">...</span>
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</pre></div>
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</td></tr></table>
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<h2 id="retaining-the-ip">Retaining the IP<a class="headerlink" href="#retaining-the-ip" title="Permanent link">¶</a></h2>
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<p>You can test retention by deleting the Ingress</p>
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<table class="codehilitetable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span>1
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9</pre></div></td><td class="code"><div class="codehilite"><pre><span></span><span class="gp">$</span> kubectl delete ing nginx-ingress
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<div class="codehilite"><pre><span></span><span class="gp">$</span> kubectl delete ing nginx-ingress
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<span class="go">ingress "nginx-ingress" deleted</span>
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<span class="gp">$</span> kubectl create -f nginx-ingress.yaml
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@ -1276,7 +1232,6 @@ already has it set to "nginx-ingress-lb").</p>
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<span class="go">NAME HOSTS ADDRESS PORTS AGE</span>
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<span class="go">nginx-ingress * 104.154.109.191 80, 443 13m</span>
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</pre></div>
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</td></tr></table>
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<blockquote>
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<p>Note that unlike the GCE Ingress, the same loadbalancer IP is shared amongst all
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@ -1285,29 +1240,14 @@ controllers.</p>
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</blockquote>
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<h2 id="promote-ephemeral-to-static-ip">Promote ephemeral to static IP<a class="headerlink" href="#promote-ephemeral-to-static-ip" title="Permanent link">¶</a></h2>
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<p>To promote the allocated IP to static, you can update the Service manifest</p>
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<table class="codehilitetable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span>1
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2</pre></div></td><td class="code"><div class="codehilite"><pre><span></span><span class="gp">$</span> kubectl patch svc nginx-ingress-lb -p <span class="s1">'{"spec": {"loadBalancerIP": "104.154.109.191"}}'</span>
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<div class="codehilite"><pre><span></span><span class="gp">$</span> kubectl patch svc nginx-ingress-lb -p <span class="s1">'{"spec": {"loadBalancerIP": "104.154.109.191"}}'</span>
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<span class="go">"nginx-ingress-lb" patched</span>
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</pre></div>
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</td></tr></table>
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<p>and promote the IP to static (promotion works differently for cloudproviders,
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provided example is for GKE/GCE)
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`
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<table class="codehilitetable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span> 1
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14</pre></div></td><td class="code"><div class="codehilite"><pre><span></span><span class="gp">$</span> gcloud compute addresses create nginx-ingress-lb --addresses <span class="m">104</span>.154.109.191 --region us-central1
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<div class="codehilite"><pre><span></span><span class="gp">$</span> gcloud compute addresses create nginx-ingress-lb --addresses <span class="m">104</span>.154.109.191 --region us-central1
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<span class="go">Created [https://www.googleapis.com/compute/v1/projects/kubernetesdev/regions/us-central1/addresses/nginx-ingress-lb].</span>
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<span class="go">---</span>
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<span class="go">address: 104.154.109.191</span>
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@ -1321,8 +1261,7 @@ provided example is for GKE/GCE)
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<span class="go">status: IN_USE</span>
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<span class="go">users:</span>
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<span class="go">- us-central1/forwardingRules/a09f6913ae80e11e6a8c542010af0000</span>
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</pre></div>
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</td></tr></table></p>
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</pre></div></p>
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<p>Now even if the Service is deleted, the IP will persist, so you can recreate the
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Service with <code class="codehilite">spec.loadBalancerIP</code> set to <code class="codehilite">104.154.109.191</code>.</p>
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