116 lines
2.7 KiB
Bash
Executable File
116 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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# This creates a persistent volume and claim.
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# Params:
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# -p|--pv <pv-name> -c|--pvc <pvc-name> -s|--nfs-server <nfs-server> -n|--nfs-path <nfs-path>
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# pv-name - the name used for the persistent volume
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# pvc-name - the name used for the claim
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# nfs-server - IP or hostname of the NFS server
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# nfs-path - Path on the NFS server
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PV_NAME=
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PVC_NAME=
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NFS_SERVER=
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NFS_PATH=
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SIZE=
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usage()
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{
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echo "Usage: provision-volume-claim.sh < -p | --pv-name name > < -c | --pvc-name name >
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< -n | --nfs-server server >
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< -m | --nfs-path path >
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< -s | --size size >"
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exit 2
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}
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PARSED_ARGUMENTS=$(getopt -a -n provision-volume-claim -o p:c:n:m:s: --long pv-name:,pvc-name:,nfs-server:,nfs-path:,size: -- "$@")
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VALID_ARGUMENTS=$?
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if [ "$VALID_ARGUMENTS" != "0" ]; then
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usage
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fi
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eval set -- "$PARSED_ARGUMENTS"
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while :
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do
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case "$1" in
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-p | --pv-name) PV_NAME="$2" ; shift 2 ;;
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-c | --pvc-name) PVC_NAME="$2" ; shift 2 ;;
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-n | --nfs-server) NFS_SERVER="$2" ; shift 2 ;;
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-m | --nfs-path) NFS_PATH="$2" ; shift 2 ;;
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-s | --size) SIZE="$2" ; shift 2 ;;
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# -- means the end of the arguments; drop this, and break out of the while loop
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--) shift; break ;;
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*) echo "Unexpected option: $1 - this should not happen."
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usage ;;
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esac
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done
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if [ -z $PV_NAME ] || [ -z $PVC_NAME ] || [ -z $NFS_SERVER ] || [ -z $NFS_PATH ] || [ -z $SIZE ];
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then
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echo "Missing required option(s)"
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usage
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fi
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PV_MANIFEST=$(mktemp /tmp/pvc.XXXXXXX) || exit 1
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PVC_MANIFEST=$(mktemp /tmp/pv.XXXXXXX) || exit 1
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# Create the PV manifest
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cat > $PV_MANIFEST << EOM
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apiVersion: v1
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kind: PersistentVolume
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metadata:
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name: $PV_NAME
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labels:
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is_nf_pv: "yes"
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spec:
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capacity:
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storage: $SIZE
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volumeMode: Filesystem
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accessModes:
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- ReadWriteMany
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persistentVolumeReclaimPolicy: Recycle
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storageClassName: slow
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mountOptions:
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- hard
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- nfsvers=4.1
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nfs:
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path: $NFS_PATH
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server: $NFS_SERVER
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EOM
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echo "Created PV Manifest $PV_MANIFEST:"
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cat $PV_MANIFEST
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# kubectl apply -f $PV_MANIFEST || exit 1
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# Create the pvc manifest
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cat > $PVC_MANIFEST << EOM
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: $PVC_NAME
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spec:
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accessModes:
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- ReadWriteMany
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volumeMode: Filesystem
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resources:
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requests:
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storage: $SIZE
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storageClassName: slow
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selector:
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matchLabels:
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is_nf_pv: "yes"
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EOM
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echo "Created PVC Manifest: $PVC_MANIFEST"
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cat $PVC_MANIFEST
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# Generate cleanup script
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cat > cleanup-volume-claim.sh << EOM
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#!/bin/bash
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kubectl delete pvc $PVC_NAME
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kubectl delete pv $PV_NAME
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EOM
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chmod +x cleanup-volume-claim.sh
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kubectl apply -f $PV_MANIFEST || exit 1
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kubectl apply -f $PVC_MANIFEST || exit 1
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