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система_kubernetes
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| Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
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система_kubernetes [2024/04/05 13:27] val [Volumes] |
система_kubernetes [2024/04/27 10:53] val [Развертывание через kubeadm] |
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|---|---|---|---|
| Line 171: | Line 171: | ||
| === Установка ПО === | === Установка ПО === | ||
| + | === !!! Обратитесь к преподавателю !!! === | ||
| <code> | <code> | ||
| node1# bash -c ' | node1# bash -c ' | ||
| Line 258: | Line 259: | ||
| === Удаление узла === | === Удаление узла === | ||
| + | |||
| + | * [[https://stackoverflow.com/questions/56064537/how-to-remove-broken-nodes-in-kubernetes|How to remove broken nodes in Kubernetes]] | ||
| + | |||
| <code> | <code> | ||
| $ 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 | ||
| Line 329: | Line 333: | ||
| ==== Развертывание через Kubespray ==== | ==== Развертывание через Kubespray ==== | ||
| + | |||
| + | === !!! Обратитесь к преподавателю !!! === | ||
| * [[https://github.com/kubernetes-sigs/kubespray]] | * [[https://github.com/kubernetes-sigs/kubespray]] | ||
| Line 466: | Line 472: | ||
| $ 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 594: | 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> | ||
| Line 804: | Line 838: | ||
| node1# kubectl get all -n ingress-nginx | node1# kubectl get all -n ingress-nginx | ||
| - | node1# ### kubectl delete -f ingress-nginx.controller-v1.3.1.baremetal.yaml | + | node1# ###kubectl delete -A ValidatingWebhookConfiguration ingress-nginx-admission |
| + | |||
| + | node1# ###kubectl delete -f ingress-nginx.controller-v1.3.1.baremetal.yaml | ||
| </code> | </code> | ||
| Line 990: | Line 1026: | ||
| storage: 128Mi | storage: 128Mi | ||
| # storage: 8Gi | # storage: 8Gi | ||
| - | # volumeMode: Filesystem | ||
| accessModes: | accessModes: | ||
| - ReadWriteMany | - ReadWriteMany | ||
| Line 1085: | Line 1120: | ||
| * [[https://github.com/longhorn/longhorn]] | * [[https://github.com/longhorn/longhorn]] | ||
| <code> | <code> | ||
| + | $ kubectl apply -f https://raw.githubusercontent.com/longhorn/longhorn/v1.6.0/deploy/longhorn.yaml | ||
| + | |||
| + | $ kubectl -n longhorn-system get pods -o wide --watch | ||
| + | |||
| Setting->General | Setting->General | ||
| Line 1096: | Line 1135: | ||
| <code> | <code> | ||
| cmder> kubectl proxy | cmder> kubectl proxy | ||
| - | |||
| - | http://localhost:8001/api/v1/namespaces/longhorn-system/services/longhorn-frontend:80/proxy/ | ||
| </code> | </code> | ||
| + | |||
| + | * http://localhost:8001/api/v1/namespaces/longhorn-system/services/longhorn-frontend:80/proxy/ | ||
| Подключение через ingress | Подключение через ingress | ||
| Line 1130: | Line 1169: | ||
| * Делаем снапшот | * Делаем снапшот | ||
| - | * Что-то ломаем | + | * Что-то ломаем (удаляем пользователя) |
| * Останавливаем сервис | * Останавливаем сервис | ||
| Line 1149: | Line 1188: | ||
| == 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) | ||
система_kubernetes.txt · Last modified: 2024/05/13 17:43 by val
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