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kubernetes_tips [2015/10/17 21:28] imcsk8 |
kubernetes_tips [2016/06/09 06:07] (current) imcsk8 |
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| $ kubectl --server=http://cloud.soho:8081 delete pod nginx-test | $ kubectl --server=http://cloud.soho:8081 delete pod nginx-test | ||
| </code> | </code> | ||
| + | |||
| + | ===== Replication Contoller ===== | ||
| + | Replication controllers ensure that the correct number of pods are | ||
| + | running even if they crash, are stopped manually or something weird | ||
| + | happens. This are the recommended way to handle pods even if it's only | ||
| + | one per node. | ||
| + | |||
| + | <code> | ||
| + | apiVersion: v1 | ||
| + | kind: ReplicationController | ||
| + | metadata: | ||
| + | name: webserver | ||
| + | spec: | ||
| + | replicas: 3 | ||
| + | selector: | ||
| + | app: web | ||
| + | template: | ||
| + | metadata: | ||
| + | name: nginx-replicator | ||
| + | labels: | ||
| + | app: web | ||
| + | spec: | ||
| + | containers: | ||
| + | - name: web-servers | ||
| + | image: imcsk8/centos-nginx | ||
| + | imagePullPolicy: IfNotPresent | ||
| + | ports: | ||
| + | - containerPort: 80 | ||
| + | </code> | ||
| + | |||
| + | |||
| ==== References ==== | ==== References ==== | ||
| Line 77: | Line 108: | ||
| [[https://github.com/kubernetes/kubernetes/blob/master/docs/user-guide/walkthrough/README.md]]\\ | [[https://github.com/kubernetes/kubernetes/blob/master/docs/user-guide/walkthrough/README.md]]\\ | ||
| [[http://www.dasblinkenlichten.com/kubernetes-101-the-constructs/]] | [[http://www.dasblinkenlichten.com/kubernetes-101-the-constructs/]] | ||
| + | [[http://kubernetes.io/docs/user-guide/replication-controller/]] | ||