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114 lines
2.2 KiB
Bash
Executable File
114 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2015 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Notes:
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# - Please install "jq" package before using this driver.
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usage() {
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err "Invalid usage. Usage: "
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err "\t$0 init"
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err "\t$0 mount <mount dir> <json params>"
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err "\t$0 unmount <mount dir>"
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exit 1
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}
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err() {
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echo -ne $* 1>&2
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}
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log() {
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echo -ne $* >&1
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}
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ismounted() {
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MOUNT=`findmnt -n ${MNTPATH} 2>/dev/null | cut -d' ' -f1`
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if [ "${MOUNT}" == "${MNTPATH}" ]; then
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echo "1"
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else
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echo "0"
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fi
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}
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domount() {
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MNTPATH=$1
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NFS_SERVER=$(echo $2 | jq -r '.server')
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SHARE=$(echo $2 | jq -r '.share')
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if [ $(ismounted) -eq 1 ] ; then
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log '{"status": "Success"}'
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exit 0
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fi
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mkdir -p ${MNTPATH} &> /dev/null
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mount -t nfs ${NFS_SERVER}:/${SHARE} ${MNTPATH} &> /dev/null
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if [ $? -ne 0 ]; then
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err "{ \"status\": \"Failure\", \"message\": \"Failed to mount ${NFS_SERVER}:${SHARE} at ${MNTPATH}\"}"
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exit 1
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fi
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log '{"status": "Success"}'
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exit 0
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}
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unmount() {
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MNTPATH=$1
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if [ $(ismounted) -eq 0 ] ; then
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log '{"status": "Success"}'
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exit 0
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fi
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umount ${MNTPATH} &> /dev/null
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if [ $? -ne 0 ]; then
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err "{ \"status\": \"Failed\", \"message\": \"Failed to unmount volume at ${MNTPATH}\"}"
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exit 1
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fi
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log '{"status": "Success"}'
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exit 0
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}
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op=$1
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if ! command -v jq >/dev/null 2>&1; then
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err "{ \"status\": \"Failure\", \"message\": \"'jq' binary not found. Please install jq package before using this driver\"}"
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exit 1
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fi
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if [ "$op" = "init" ]; then
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log '{"status": "Success", "capabilities": {"attach": false}}'
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exit 0
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fi
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if [ $# -lt 2 ]; then
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usage
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fi
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shift
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case "$op" in
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mount)
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domount $*
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;;
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unmount)
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unmount $*
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;;
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*)
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log '{"status": "Not supported"}'
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exit 0
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esac
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exit 1
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