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authorGabriel A. Giovanini <mail@gabrielgio.me>2022-05-13 19:32:51 +0200
committerGabriel A. Giovanini <mail@gabrielgio.me>2022-05-13 19:32:51 +0200
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+<section>
+ <p>
+ By default <a href="https://k3s.io/">K3S</a> comes only with <a
+ href="https://github.com/rancher/local-path-provisioner">local-path</a> storage class, and if you are
+ running
+ with more than one node in your cluster you may want to use a more &ldquo;distributed&rdquo;
+ solution. For may case I opted for NFS.
+ </p>
+ <p>
+ To check the current storage class you can run:
+ </p>
+ <pre><code>k3s kubectl get storageclasses</code></pre>
+ <p>
+ And it will print something like:
+ </p>
+ <pre><code>NAME PROVISIONER RECLAIMPOLICY VOLUMEBINDINGMODE ALLOWVOLUMEEXPANSION AGE
+local-path (default) rancher.io/local-path Delete WaitForFirstConsumer false 154d</code></pre>
+ <p>
+ To start adding First you need to install <a href="https://github.com/helm/helm">helm</a> on your server. To do
+ so you may
+ run:
+ </p>
+
+ <pre><code>curl -sSL https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3 | bash</code></pre>
+ <p>
+ Be careful when running scripts directly into bash always check the source
+ Sometimes is also recommended to do not pipe directly to bash
+ </p>
+ <p>
+ Once it is installed we need to add the <a
+ href="https://kubernetes.io/docs/concepts/storage/storage-classes/#nfs">NFS storage classes</a>. It has two
+ providers, I have chose <a href="https://github.com/kubernetes-sigs/nfs-subdir-external-provisioner">NFS Subdir
+ External Provisioner</a>.
+ </p>
+ <p>
+ Add the helm repo
+ </p>
+
+ <pre><code>helm repo add nfs-subdir-external-provisioner https://kubernetes-sigs.github.io/nfs-subdir-external-provisioner/</code></pre>
+ <p>
+ Then we need to actually install the provider
+ </p>
+ <div class="org-src-container">
+<pre><code>helm install nfs-subdir-external-provisioner nfs-subdir-external-provisioner/nfs-subdir-external-provisioner
+--set nfs.server=x.x.x.x
+--set nfs.path=/exported/path</code></pre>
+ </div>
+ <p>
+ Set the <code>nfs.server</code> and <code>nfs.path</code> accordingly with your setup.
+ </p>
+
+ <p>
+ After that if we run <code>k3s kubectl get storageclasses</code> it will now print another
+ NFS provider:
+ </p>
+
+ <pre><code>NAME PROVISIONER RECLAIMPOLICY VOLUMEBINDINGMODE ALLOWVOLUMEEXPANSION AGE
+local-path (default) rancher.io/local-path Delete WaitForFirstConsumer false 154d
+nfs-client cluster.local/nfs-subdir-external-provisioner Delete Immediate true 76m</code></pre>
+</section>