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система_kubernetes [2024/04/11 09:33] val [Развертывание через kubeadm] |
система_kubernetes [2024/04/27 10:53] (current) val [Развертывание через kubeadm] |
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$ kubectl cordon kube3 | $ kubectl cordon kube3 | ||
- | $ time kubectl drain kube3 --force --ignore-daemonsets --delete-emptydir-data | + | $ time kubectl drain kube3 #--ignore-daemonsets --delete-emptydir-data --force |
$ kubectl delete node kube3 | $ kubectl delete node kube3 | ||
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==== Развертывание через Kubespray ==== | ==== Развертывание через Kubespray ==== | ||
+ | |||
+ | === !!! Обратитесь к преподавателю !!! === | ||
* [[https://github.com/kubernetes-sigs/kubespray]] | * [[https://github.com/kubernetes-sigs/kubespray]] | ||
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$ kubectl delete pod my-debian | $ kubectl delete pod my-debian | ||
+ | $ ###kubectl delete pod my-debian --grace-period=0 --force | ||
$ kubectl create deployment my-debian --image=debian -- "sleep" "3600" | $ kubectl create deployment my-debian --image=debian -- "sleep" "3600" | ||
Line 598: | Line 601: | ||
$ kubectl delete pod/my-webd-NNNNNNNNNN-NNNNN -n my-ns | $ kubectl delete pod/my-webd-NNNNNNNNNN-NNNNN -n my-ns | ||
+ | </code> | ||
+ | |||
+ | * [[https://learnk8s.io/kubernetes-rollbacks|How do you rollback deployments in Kubernetes?]] | ||
+ | |||
+ | <code> | ||
+ | gitlab-runner@server:~$ kubectl -n my-ns rollout history deployment/my-webd | ||
+ | deployment.apps/my-webd | ||
+ | REVISION CHANGE-CAUSE | ||
+ | 1 <none> | ||
+ | ... | ||
+ | N <none> | ||
+ | |||
+ | gitlab-runner@server:~$ kubectl -n my-ns rollout history deployment/my-webd --revision=1 | ||
+ | ... | ||
+ | Image: server.corpX.un:5000/student/webd:ver1.1 | ||
+ | ... | ||
+ | |||
+ | kubectl -n my-ns rollout undo deployment/my-webd --to-revision=1 | ||
+ | |||
+ | gitlab-runner@server:~$ kubectl -n my-ns rollout undo deployment/my-webd --to-revision=1 | ||
+ | |||
+ | gitlab-runner@server:~$ kubectl -n my-ns rollout history deployment/my-webd | ||
+ | deployment.apps/my-webd | ||
+ | REVISION CHANGE-CAUSE | ||
+ | 2 <none> | ||
+ | ... | ||
+ | N+1 <none> | ||
</code> | </code> | ||
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== Использование backup-ов == | == Использование backup-ов == | ||
+ | |||
+ | * Разворачиваем [[Сервис NFS]] на server | ||
+ | |||
<code> | <code> | ||
Setting -> General -> Backup Target -> nfs://server.corp13.un:/var/www (nfs client linux не нужен) | Setting -> General -> Backup Target -> nfs://server.corp13.un:/var/www (nfs client linux не нужен) |