1#!/bin/sh
2
3# Copyright 2017 The Kubernetes Authors.
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9# http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17# This driver implements a tmpfs with a pre-populated file index.html.
18
19FLEX_DUMMY_LOG=${FLEX_DUMMY_LOG:-"/tmp/flex-dummy.log"}
20
21log() {
22 printf "$*" >&1
23}
24
25debug() {
26 echo "$(date) $*" >> "${FLEX_DUMMY_LOG}"
27}
28
29domount() {
30 debug "domount $@"
31 MNTPATH=$1
32 mkdir -p ${MNTPATH} >/dev/null 2>&1
33 mount -t tmpfs none ${MNTPATH} >/dev/null 2>&1
34 echo "Hello from flexvolume!" >> "${MNTPATH}/index.html"
35 log "{\"status\":\"Success\"}"
36 exit 0
37}
38
39unmount() {
40 debug "unmount $@"
41 MNTPATH=$1
42 rm ${MNTPATH}/index.html >/dev/null 2>&1
43 umount ${MNTPATH} >/dev/null 2>&1
44 log "{\"status\":\"Success\"}"
45 exit 0
46}
47
48op=$1
49
50if [ "$op" = "init" ]; then
51 debug "init $@"
52 log "{\"status\":\"Success\",\"capabilities\":{\"attach\":false}}"
53 exit 0
54fi
55
56shift
57
58case "$op" in
59 mount)
60 domount $*
61 ;;
62 unmount)
63 unmount $*
64 ;;
65 *)
66 log "{\"status\":\"Not supported\"}"
67 exit 0
68esac
69
70exit 1
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