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NFS Subdir External Provisioner

Dazu wird ein NFS Server benötigt. Ich gehe hier davon aus das es diese schon gibt und die Master/Worker darauf zugreifen können.

NFS Storage Provider via Kubernetes installieren

Die nötigen Yaml Files runter laden

wget https://github.com/kubernetes-sigs/nfs-subdir-external-provisioner/raw/master/deploy/rbac.yaml
wget https://github.com/kubernetes-sigs/nfs-subdir-external-provisioner/raw/master/deploy/class.yaml
wget https://raw.githubusercontent.com/kubernetes-sigs/nfs-subdir-external-provisioner/master/deploy/deployment.yaml

Für ARM
wget https://github.com/kubernetes-sigs/nfs-subdir-external-provisioner/blob/master/deploy/deployment-arm.yaml

Anpassen der Files

Es muss das File deployment.yaml oder deployment-arm.yaml angepasst werden.

..
...
          env:
            - name: PROVISIONER_NAME
              value: fuseim.pri/ifs
            - name: NFS_SERVER
              value: <IP or FQDN>
            - name: NFS_PATH
              value: <NFS EXPORT PATH>
      volumes:
        - name: nfs-client-root
          nfs:
            server: <IP or FQDN>
            path: <NFS EXPORT PATH>
...
..

Einspielen der Files

kubectl create -f rbac.yaml
kubectl create -f deployment.yaml
kubectl create -f class.yaml

Storage Class anzeigen

root@kube01:~/nfs# kubectl get storageclasses.storage.k8s.io
NAME                   PROVISIONER             RECLAIMPOLICY   VOLUMEBINDINGMODE      ALLOWVOLUMEEXPANSION   AGE
local-path (default)   rancher.io/local-path   Delete          WaitForFirstConsumer   false                  2d6h
managed-nfs-storage    fuseim.pri/ifs          Delete          Immediate              false                  2d5h

Default Storage Class ändern

kubectl patch storageclass local-path -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"false"}}}'
kubectl patch storageclass managed-nfs-storage -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'

root@kube01:~# kubectl get storageclass
NAME                            PROVISIONER             RECLAIMPOLICY   VOLUMEBINDINGMODE      ALLOWVOLUMEEXPANSION   AGE
local-path                      rancher.io/local-path   Delete          WaitForFirstConsumer   false                  16m
managed-nfs-storage (default)   fuseim.pri/ifs          Delete          Immediate              false                  3m20s

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