<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Preparing Kubernetes resources · Apache Pulsar</title><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta name="generator" content="Docusaurus"/><meta name="description" content="For a fully functional Pulsar cluster, you will need a few resources before deploying the Apache Pulsar Helm chart. The following provides instructions to prepare the Kubernetes cluster before deploying the Pulsar Helm chart."/><meta name="docsearch:version" content="2.5.1"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Preparing Kubernetes resources · Apache Pulsar"/><meta property="og:type" content="website"/><meta property="og:url" content="https://pulsar.apache.org/"/><meta property="og:description" content="For a fully functional Pulsar cluster, you will need a few resources before deploying the Apache Pulsar Helm chart. The following provides instructions to prepare the Kubernetes cluster before deploying the Pulsar Helm chart."/><meta name="twitter:card" content="summary"/><meta name="twitter:image" content="https://pulsar.apache.org/img/pulsar.svg"/><link rel="shortcut icon" href="/img/pulsar.ico"/><link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/atom-one-dark.min.css"/><link rel="alternate" type="application/atom+xml" href="https://pulsar.apache.org/blog/atom.xml" title="Apache Pulsar Blog ATOM Feed"/><link rel="alternate" type="application/rss+xml" href="https://pulsar.apache.org/blog/feed.xml" title="Apache Pulsar Blog RSS Feed"/><link rel="stylesheet" href="/css/code-blocks-buttons.css"/><script type="text/javascript" src="https://buttons.github.io/buttons.js"></script><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.0/clipboard.min.js"></script><script type="text/javascript" src="/js/custom.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/en"><img class="logo" src="/img/pulsar.svg" alt="Apache Pulsar"/></a><a href="/en/versions"><h3>2.5.1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive"><a href="/docs/en/2.5.1/getting-started-standalone" target="_self">Docs</a></li><li class=""><a href="/en/download" target="_self">Download</a></li><li class="siteNavGroupActive"><a href="/docs/en/2.5.1/client-libraries" target="_self">Clients</a></li><li class=""><a href="#restapis" target="_self">REST APIs</a></li><li class=""><a href="#cli" target="_self">Cli</a></li><li class=""><a href="/blog/" target="_self">Blog</a></li><li class=""><a href="#community" target="_self">Community</a></li><li class=""><a href="#apache" target="_self">Apache</a></li><li class=""><a href="https://pulsar-next.staged.apache.org/" target="_self">New Website (Beta)</a></li><span><li><a id="languages-menu" href="#"><img class="languages-icon" src="/img/language.svg" alt="Languages icon"/>English</a><div id="languages-dropdown" class="hide"><ul id="languages-dropdown-items"><li><a href="/docs/ja/2.5.1/helm-prepare">日本語</a></li><li><a href="/docs/fr/2.5.1/helm-prepare">Français</a></li><li><a href="/docs/ko/2.5.1/helm-prepare">한국어</a></li><li><a href="/docs/zh-CN/2.5.1/helm-prepare">中文</a></li><li><a href="/docs/zh-TW/2.5.1/helm-prepare">繁體中文</a></li><li><a href="https://crowdin.com/project/apache-pulsar" target="_blank" rel="noreferrer noopener">Help Translate</a></li></ul></div></li><script>
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<ul>
<li><a href="#google-kubernetes-engine">Google Kubernetes Engine</a></li>
</ul>
<h2><a class="anchor" aria-hidden="true" id="google-kubernetes-engine"></a><a href="#google-kubernetes-engine" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Google Kubernetes Engine</h2>
<p>To get started easier, a script is provided to automate the cluster creation. Alternatively, a cluster can be created manually as well.</p>
<ul>
<li><a href="#manual-cluster-creation">Manual cluster creation</a></li>
<li><a href="#scripted-cluster-creation">Scripted cluster creation</a></li>
</ul>
<h3><a class="anchor" aria-hidden="true" id="manual-cluster-creation"></a><a href="#manual-cluster-creation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Manual cluster creation</h3>
<p>To provision a Kubernetes cluster manually, follow the <a href="https://cloud.google.com/kubernetes-engine/docs/how-to/creating-a-cluster">GKE instructions</a>.</p>
<p>Alternatively you can use the <a href="#scripted-cluster-creation">instructions</a> below to provision a GKE cluster as needed.</p>
<h3><a class="anchor" aria-hidden="true" id="scripted-cluster-creation"></a><a href="#scripted-cluster-creation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Scripted cluster creation</h3>
<p>A <a href="https://github.com/streamnative/charts/tree/master/scripts/pulsar/gke_bootstrap_script.sh">bootstrap script</a> has been created to automate much of the setup process for users on GCP/GKE.</p>
<p>The script will:</p>
<ol>
<li>Create a new GKE cluster.</li>
<li>Allow the cluster to modify DNS records.</li>
<li>Setup <code>kubectl</code>, and connect it to the cluster.</li>
</ol>
<p>Google Cloud SDK is a dependency of this script, so make sure it's <a href="/docs/en/2.5.1/helm-tools#connect-to-a-gke-cluster">set up correctly</a> in order for the script to work.</p>
<p>The script reads various parameters from environment variables and an argument <code>up</code> or <code>down</code> for bootstrap and clean-up respectively.</p>
<p>The table below describes all variables.</p>
<table>
<thead>
<tr><th><strong>Variable</strong></th><th><strong>Description</strong></th><th><strong>Default value</strong></th></tr>
</thead>
<tbody>
<tr><td>PROJECT</td><td>The ID of your GCP project</td><td>No defaults, required to be set.</td></tr>
<tr><td>CLUSTER_NAME</td><td>Name of the GKE cluster</td><td><code>pulsar-dev</code></td></tr>
<tr><td>CONFDIR</td><td>Configuration directory to store kubernetes config</td><td>Defaults to ${HOME}/.config/streamnative</td></tr>
<tr><td>INT_NETWORK</td><td>The IP space to use within this cluster</td><td><code>default</code></td></tr>
<tr><td>LOCAL_SSD_COUNT</td><td>The number of local SSD counts</td><td>Defaults to 4</td></tr>
<tr><td>MACHINE_TYPE</td><td>The type of machine to use for nodes</td><td><code>n1-standard-4</code></td></tr>
<tr><td>NUM_NODES</td><td>The number of nodes to be created in each of the cluster's zones</td><td>4</td></tr>
<tr><td>PREEMPTIBLE</td><td>Create nodes using preemptible VM instances in the new cluster.</td><td>false</td></tr>
<tr><td>REGION</td><td>Compute region for the cluster</td><td><code>us-east1</code></td></tr>
<tr><td>USE_LOCAL_SSD</td><td>Flag to create a cluster with local SSDs</td><td>Defaults to false</td></tr>
<tr><td>ZONE</td><td>Compute zone for the cluster</td><td><code>us-east1-b</code></td></tr>
<tr><td>ZONE_EXTENSION</td><td>The extension (<code>a</code>, <code>b</code>, <code>c</code>) of the zone name of the cluster</td><td><code>b</code></td></tr>
<tr><td>EXTRA_CREATE_ARGS</td><td>Extra arguments passed to create command</td><td></td></tr>
</tbody>
</table>
<p>Run the script, by passing in your desired parameters. It can work with the default parameters except for <code>PROJECT</code> which is required:</p>
<pre><code class="hljs css language-bash">PROJECT=&lt;gcloud project id&gt; scripts/pulsar/gke_bootstrap_script.sh up
</code></pre>
<p>The script can also be used to clean up the created GKE resources:</p>
<pre><code class="hljs css language-bash">PROJECT=&lt;gcloud project id&gt; scripts/pulsar/gke_bootstrap_script.sh down
</code></pre>
<h4><a class="anchor" aria-hidden="true" id="create-a-cluster-with-local-ssds"></a><a href="#create-a-cluster-with-local-ssds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Create a cluster with local SSDs</h4>
<p>If you are planning to install a Pulsar Helm chart using local persistent volumes, you need to create a GKE cluster with local SSDs. You can do so using the provided script by specifying <code>USE_LOCAL_SSD</code> to be <code>true</code>. A sample command is listed as below:</p>
<pre><code class="hljs"><span class="hljs-attribute">PROJECT</span>=&lt;gcloud project id&gt; <span class="hljs-attribute">USE_LOCAL_SSD</span>=<span class="hljs-literal">true</span> <span class="hljs-attribute">LOCAL_SSD_COUNT</span>=&lt;local-ssd-count&gt; scripts/pulsar/gke_bootstrap_script.sh up
</code></pre>
<h2><a class="anchor" aria-hidden="true" id="next-steps"></a><a href="#next-steps" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Next Steps</h2>
<p>Continue with the <a href="/docs/en/2.5.1/helm-deploy">installation of the chart</a> once you have the cluster up and running.</p>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/en/2.5.1/helm-overview"><span class="arrow-prev">← </span><span>Overview</span></a><a class="docs-next button" href="/docs/en/2.5.1/helm-install"><span>Install</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#google-kubernetes-engine">Google Kubernetes Engine</a><ul class="toc-headings"><li><a href="#manual-cluster-creation">Manual cluster creation</a></li><li><a href="#scripted-cluster-creation">Scripted cluster creation</a></li></ul></li><li><a href="#next-steps">Next Steps</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="copyright">Copyright © 2022 The Apache Software Foundation. All Rights Reserved. Apache, Apache Pulsar and the Apache feather logo are trademarks of The Apache Software Foundation.</section><span><script>
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