add example of hostpath and nfs pv/pvc usage

examples/ubuntu-vm-hostpath-pv.yaml

@@ -0,0 +1,74 @@
+---
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+ name: hostpath-dir-pvc
+spec:
+ accessModes:
+ - ReadWriteOnce
+ # Set volumeMode to Filesystem so the VM can consume this PVC
+ # as a Filesystem device
+ volumeMode: Filesystem
+ storageClassName: local-storage
+ resources:
+ requests:
+ storage: 100Mi
+---
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+ name: hostpath-dir-pv
+spec:
+ capacity:
+ storage: 100Mi
+ accessModes:
+ - ReadWriteOnce
+ persistentVolumeReclaimPolicy: Retain
+ storageClassName: local-storage
+ # Set volumeMode to Filesystem so the VM can consume this PV
+ # as a Filesystem device
+ volumeMode: Filesystem
+ hostPath:
+ # Use a path that's visible inside the Virtlet pod
+ # 9p mode must be supported in guest kernel in VM image
+ path: /var/lib/virtlet/hostpath
+ claimRef:
+ name: hostpath-dir-pvc
+ namespace: default
+---
+apiVersion: v1
+kind: Pod
+metadata:
+ name: ubuntu-vm-hostpath-dir-pv
+ annotations:
+ kubernetes.io/target-runtime: virtlet.cloud
+ VirtletSSHKeys: |
+ ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCaJEcFDXEK2ZbX0ZLS1EIYFZRbDAcRfuVjpstSc0De8+sV1aiu+dePxdkuDRwqFtCyk6dEZkssjOkBXtri00MECLkir6FcH3kKOJtbJ6vy3uaJc9w1ERo+wyl6SkAh/+JTJkp7QRXj8oylW5E20LsbnA/dIwWzAF51PPwF7A7FtNg9DnwPqMkxFo1Th/buOMKbP5ZA1mmNNtmzbMpMfJATvVyiv3ccsSJKOiyQr6UG+j7sc/7jMVz5Xk34Vd0l8GwcB0334MchHckmqDB142h/NCWTr8oLakDNvkfC1YneAfAO41hDkUbxPtVBG5M/o7P4fxoqiHEX+ZLfRxDtHB53 me@localhost
+spec:
+ affinity:
+ nodeAffinity:
+ requiredDuringSchedulingIgnoredDuringExecution:
+ nodeSelectorTerms:
+ - matchExpressions:
+ - key: extraRuntime
+ operator: In
+ values:
+ - virtlet
+ # This is the number of seconds Virtlet gives the VM to shut down cleanly.
+ # The default value of 30 seconds is ok for containers but probably too
+ # low for VM, so overriding it here is strongly advised.
+ terminationGracePeriodSeconds: 120
+ containers:
+ - name: ubuntu-vm
+ image: virtlet.cloud/cloud-images.ubuntu.com/xenial/current/xenial-server-cloudimg-amd64-disk1.img
+ imagePullPolicy: IfNotPresent
+ # tty and stdin required for `kubectl attach -t` to work
+ tty: true
+ stdin: true
+ volumeMounts:
+ - mountPath: /home/ubuntu/hostpath
+ name: hostpathpvc
+ volumes:
+ - name: hostpathpvc
+ persistentVolumeClaim:
+ claimName: hostpath-dir-pvc

examples/ubuntu-vm-nfs-pv.yaml

@@ -0,0 +1,75 @@
+---
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+ name: nfs-dir-pvc
+spec:
+ accessModes:
+ - ReadWriteOnce
+ # Set volumeMode to Filesystem so the VM can consume this PVC
+ # as a Filesystem device
+ volumeMode: Filesystem
+ storageClassName: local-storage
+ resources:
+ requests:
+ storage: 100Mi
+---
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+ name: nfs-dir-pv
+spec:
+ capacity:
+ storage: 100Mi
+ accessModes:
+ - ReadWriteOnce
+ persistentVolumeReclaimPolicy: Retain
+ storageClassName: local-storage
+ # Set volumeMode to Filesystem so the VM can consume this PV
+ # as a Filesystem device
+ volumeMode: Filesystem
+ nfs:
+ # Use a path exposed in nfs server which has a ip 172.21.0.2(command: showmount -e 172.21.0.2)
+ # 9p mode must be supported in guest kernel in VM image
+ server: 172.21.0.2
+ path: /home/ubuntu/nfs/ubuntu-nfs
+ claimRef:
+ name: nfs-dir-pvc
+ namespace: default
+---
+apiVersion: v1
+kind: Pod
+metadata:
+ name: ubuntu-vm-nfs-dir-pv
+ annotations:
+ kubernetes.io/target-runtime: virtlet.cloud
+ VirtletSSHKeys: |
+ ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCaJEcFDXEK2ZbX0ZLS1EIYFZRbDAcRfuVjpstSc0De8+sV1aiu+dePxdkuDRwqFtCyk6dEZkssjOkBXtri00MECLkir6FcH3kKOJtbJ6vy3uaJc9w1ERo+wyl6SkAh/+JTJkp7QRXj8oylW5E20LsbnA/dIwWzAF51PPwF7A7FtNg9DnwPqMkxFo1Th/buOMKbP5ZA1mmNNtmzbMpMfJATvVyiv3ccsSJKOiyQr6UG+j7sc/7jMVz5Xk34Vd0l8GwcB0334MchHckmqDB142h/NCWTr8oLakDNvkfC1YneAfAO41hDkUbxPtVBG5M/o7P4fxoqiHEX+ZLfRxDtHB53 me@localhost
+spec:
+ affinity:
+ nodeAffinity:
+ requiredDuringSchedulingIgnoredDuringExecution:
+ nodeSelectorTerms:
+ - matchExpressions:
+ - key: extraRuntime
+ operator: In
+ values:
+ - virtlet
+ # This is the number of seconds Virtlet gives the VM to shut down cleanly.
+ # The default value of 30 seconds is ok for containers but probably too
+ # low for VM, so overriding it here is strongly advised.
+ terminationGracePeriodSeconds: 120
+ containers:
+ - name: ubuntu-vm
+ image: virtlet.cloud/cloud-images.ubuntu.com/xenial/current/xenial-server-cloudimg-amd64-disk1.img
+ imagePullPolicy: IfNotPresent
+ # tty and stdin required for `kubectl attach -t` to work
+ tty: true
+ stdin: true
+ volumeMounts:
+ - mountPath: /home/ubuntu/nfspath
+ name: nfspvc
+ volumes:
+ - name: nfspvc
+ persistentVolumeClaim:
+ claimName: nfs-dir-pvc