summaryrefslogtreecommitdiffstats
path: root/extras/ganesha/ocf/ganesha_nfsd
blob: f91e8b6b8f7fb4cb334853b52d0fd82ac328a624 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
#!/bin/bash
#
# Copyright (c) 2014 Anand Subramanian anands@redhat.com
# Copyright (c) 2015 Red Hat Inc.
#                    All Rights Reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like.  Any license provided herein, whether implied or
# otherwise, applies only to this software file.  Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
#
#

# Initialization:
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs

if [ -n "${OCF_DEBUG_LIBRARY}" ]; then
	. ${OCF_DEBUG_LIBRARY}
else
	: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
	. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
fi

OCF_RESKEY_ha_vol_mnt_default="/run/gluster/shared_storage"
: ${OCF_RESKEY_ha_vol_mnt=${OCF_RESKEY_ha_vol_mnt_default}}

ganesha_meta_data() {
	cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="ganesha_nfsd">
<version>1.0</version>

<longdesc lang="en">
This Linux-specific resource agent acts as a dummy
resource agent for nfs-ganesha.
</longdesc>

<shortdesc lang="en">Manages the user-space nfs-ganesha NFS server</shortdesc>

<parameters>
<parameter name="ha_vol_mnt">
<longdesc lang="en">HA State Volume Mount Point</longdesc>
<shortdesc lang="en">HA_State Volume Mount Point</shortdesc>
<content type="string" default="" />
</parameter>
</parameters>

<actions>
<action name="start"   timeout="5s" />
<action name="stop"    timeout="5s" />
<action name="status" depth="0"  timeout="5s" interval="0" />
<action name="monitor" depth="0"  timeout="5s" interval="0" />
<action name="meta-data"  timeout="20s" />
</actions>
</resource-agent>
END

return ${OCF_SUCCESS}
}

ganesha_nfsd_usage() {
	echo "ganesha.nfsd USAGE"
}

# Make sure meta-data and usage always succeed
case $__OCF_ACTION in
	meta-data)	ganesha_meta_data
			exit ${OCF_SUCCESS}
			;;
	usage|help)	ganesha_usage
			exit ${OCF_SUCCESS}
			;;
	*)
			;;
esac

ganesha_nfsd_start()
{
	local long_host=$(hostname)

	if [[ -d /var/lib/nfs ]]; then
		mv /var/lib/nfs /var/lib/nfs.backup
		if [ $? -ne 0 ]; then
			ocf_log notice "mv /var/lib/nfs /var/lib/nfs.backup failed"
		fi
		ln -s ${OCF_RESKEY_ha_vol_mnt}/nfs-ganesha/${long_host}/nfs /var/lib/nfs
		if [ $? -ne 0 ]; then
			ocf_log notice "ln -s ${OCF_RESKEY_ha_vol_mnt}/nfs-ganesha/${long_host}/nfs /var/lib/nfs failed"
		fi
	fi

	return ${OCF_SUCCESS}
}

ganesha_nfsd_stop()
{

	if [ -L /var/lib/nfs -a -d /var/lib/nfs.backup ]; then
		rm -f /var/lib/nfs
		if [ $? -ne 0 ]; then
			ocf_log notice "rm -f /var/lib/nfs failed"
		fi
		mv /var/lib/nfs.backup /var/lib/nfs
		if [ $? -ne 0 ]; then
			ocf_log notice "mv /var/lib/nfs.backup /var/lib/nfs failed"
		fi
	fi

	return ${OCF_SUCCESS}
}

ganesha_nfsd_monitor()
{
	# pacemaker checks to see if RA is already running before starting it.
	# if we return success, then it's presumed it's already running and
	# doesn't need to be started, i.e. invoke the start action.
	# return something other than success to make pacemaker invoke the
	# start action
	if [[ -L /var/lib/nfs ]]; then
		return ${OCF_SUCCESS}
	fi
	return ${OCF_NOT_RUNNING}
}

ganesha_nfsd_validate()
{
	return ${OCF_SUCCESS}
}

ganesha_nfsd_validate

# ocf_log notice "ganesha_nfsd ${OCF_RESOURCE_INSTANCE} $__OCF_ACTION"

# Translate each action into the appropriate function call
case $__OCF_ACTION in
start)          ganesha_nfsd_start
		;;
stop)           ganesha_nfsd_stop
		;;
status|monitor) ganesha_nfsd_monitor
		;;
*)              ganesha_nfsd_usage
		exit ${OCF_ERR_UNIMPLEMENTED}
		;;
esac

rc=$?

# The resource agent may optionally log a debug message
ocf_log debug "${OCF_RESOURCE_INSTANCE} ${__OCF_ACTION} returned $rc"
exit $rc