http://wiki.ciscolinux.co.uk/index.php?action=history&feed=atom&title=Kubernetes%2FContainer_Runtimes_OCI 2026-04-05T08:33:16Z Revision history for this page on the wiki MediaWiki 1.37.2 http://wiki.ciscolinux.co.uk/index.php?title=Kubernetes/Container_Runtimes_OCI&diff=5605&oldid=prev 2020-07-17T09:04:00Z

<p>Created page with &quot;= Overview = :<a href="/index.php/File:ClipCapIt-200717-081709.PNG" title="File:ClipCapIt-200717-081709.PNG">File:ClipCapIt-200717-081709.PNG</a> = CRI Container Runtime Interface = Introduced in K8s in 2016, uses gRPC to expose the interface, can talk to different run...&quot;</p> <p><b>New page</b></p><div>= Overview =<br /> :[[File:ClipCapIt-200717-081709.PNG]]<br /> <br /> = CRI Container Runtime Interface =<br /> Introduced in K8s in 2016, uses gRPC to expose the interface, can talk to different runtimes through the same API<br /> <br /> = containerd =<br /> :[[File:ClipCapIt-200717-092524.PNG]]<br /> <br /> <br /> Running in Kubernetes, execute on every node. You point kubelet to unix socket, that listens for gRPC/CRI calls.<br /> &lt;source lang=bash&gt;<br /> systemctl start containerd<br /> kubelet --containre-runtime=remote --runtime-request-timeout=15m \<br /> --containre-runtime-endpoint=unix:///run/containerd/containerd.sock<br /> <br /> # Service unit<br /> [Service]<br /> Environment=&quot;KUBELET_EXTRA_ARGS=--containre-runtime=remote --runtime-request-timeout=15m <br /> --containre-runtime-endpoint=unix:///run/containerd/containerd.sock&quot;<br /> &lt;/source&gt;<br /> <br /> Worth to note:<br /> * when you restart &lt;code&gt;containerd&lt;/code&gt; daemon all your containers also get restarted<br /> = Resources =<br /> * [https://www.ianlewis.org/en/container-runtimes-part-1-introduction-container-r Container runtimes part1] Read it first!, published in 2017<br /> * [https://iximiuz.com/en/posts/journey-from-containerization-to-orchestration-and-beyond/ Runtimes]<br /> <br /> = CRI-O =<br /> :[[File:ClipCapIt-200717-094421.PNG]]<br /> <br /> <br /> Start it up, by pointing to a socket that listens for gRPC/CRI calls.<br /> &lt;source lang=bash&gt;<br /> systemctl start crio<br /> kubelet --container-runtime=remote --runtime-request-timeout=15m \<br /> --container-runtime-endpoint /var/run/crio/crio.sock ...<br /> &lt;/source&gt;<br /> <br /> Worth to note:<br /> * restarting the cri-o daemon won't cause container restart<br /> <br /> [[Category:kubernetes]]</div>

Pio2pio