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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
#!/bin/sh
#
#
# IPSEC OCF RA. Handles IPSEC tunnels associated with a VIP
#
# Copyright (c) 2017 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
#######################################################################
# Defaults
OCF_RESKEY_tunnel_default=""
OCF_RESKEY_vip_default=""
OCF_RESKEY_confdir_default="/etc/ipsec.d/"
OCF_RESKEY_fallbacktunnel_default=""
: ${OCF_RESKEY_tunnel=${OCF_RESKEY_tunnel_default}}
: ${OCF_RESKEY_vip=${OCF_RESKEY_vip_default}}
: ${OCF_RESKEY_confdir=${OCF_RESKEY_confdir_default}}
: ${OCF_RESKEY_fallbacktunnel=${OCF_RESKEY_fallbacktunnel_default}}
meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="ipsec" version="1.0">
<version>1.0</version>
<longdesc lang="en">
This is a Resource Agent to manage IPSEC tunnels associated with a Virtual IP
Address. It's meant to be collocated with a specific VIP, and will manage
setting up or down a specific tunnel.
</longdesc>
<shortdesc lang="en">Handles IPSEC tunnels for VIPs</shortdesc>
<parameters>
<parameter name="tunnel" unique="1" required="1">
<longdesc lang="en">
The name of the tunnel to be monitored.
</longdesc>
<shortdesc lang="en">Tunnel name</shortdesc>
<content type="string" default="${OCF_RESKEY_tunnel_default}" />
</parameter>
<parameter name="vip" unique="1" required="1">
<longdesc lang="en">
Virtual IP address that the tunnel is using.
</longdesc>
<shortdesc lang="en">VIP</shortdesc>
<content type="string" default="${OCF_RESKEY_vip_default}" />
</parameter>
<parameter name="confdir">
<longdesc lang="en">
The directory where the IPSEC tunnel configurations can be found.
</longdesc>
<shortdesc lang="en">Tunnel name</shortdesc>
<content type="string" default="${OCF_RESKEY_confdir_default}" />
</parameter>
<parameter name="fallbacktunnel" unique="1">
<longdesc lang="en">
The name of the tunnel to fall back to when the main tunnel is put down.
</longdesc>
<shortdesc lang="en">Tunnel name to fall back to</shortdesc>
<content type="string" default="${OCF_RESKEY_fallbacktunnel_default}" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="20s" />
<action name="stop" timeout="20s" />
<action name="monitor" timeout="20s" interval="10s" depth="0" />
<action name="reload" timeout="20s" />
<action name="meta-data" timeout="5s" />
</actions>
</resource-agent>
END
}
#######################################################################
ipsec_usage() {
cat <<END
usage: $0 {start|stop|monitor|validate-all|meta-data}
Expects to have a fully populated OCF RA-compliant environment set. And
should have a collocation constraint with a VIP associated with the
tunnel.
END
}
ipsec_start() {
ipsec auto --add "${OCF_RESKEY_tunnel}"
ipsec whack --listen
local return_code=$?
if [ $return_code -eq 1 -o $return_code -eq 10 ]; then
ocf_log warn "${OCF_RESOURCE_INSTANCE} : Unable to add tunnel ${OCF_RESKEY_tunnel} with return code ${return_code}"
return $OCF_ERR_GENERIC
else
return $OCF_SUCCESS
fi
}
ipsec_stop() {
ipsec auto --down "${OCF_RESKEY_tunnel}"
local return_code=$?
ocf_log info "${OCF_RESOURCE_INSTANCE} : Put down tunnel ${OCF_RESKEY_tunnel} with return code ${return_code}"
ipsec whack --listen
if [ -n "${OCF_RESKEY_fallbacktunnel}" ]; then
# Run this in a subshell and let it run, This will end the stop
# operation And the start of the tunnel will hopefully start on the
# other node. Meanwhile, this will keep trying to put up the
# fallback tunnel up, and will eventually succeed or timeout in the
# background.
(ipsec auto --up "${OCF_RESKEY_fallbacktunnel}") &
disown
fi
return $OCF_SUCCESS
}
ipsec_monitor() {
# Monitor _MUST!_ differentiate correctly between running
# (SUCCESS), failed (ERROR) or _cleanly_ stopped (NOT RUNNING).
# That is THREE states, not just yes/no.
ipsec status | grep "$OCF_RESKEY_tunnel" | grep -q unoriented
state=$?
# TODO I think we need also to check if output of ipsec status is empty!
# Then the tunnel is not running.
if [ "$state" = "0" ]; then
ip addr show | grep -q "${OCF_RESKEY_vip}"
hosting_vip=$?
if [ "$hosting_vip" = "0" ]; then
ocf_log warn "${OCF_RESOURCE_INSTANCE} : tunnel ${OCF_RESKEY_tunnel} is unoriented"
return $OCF_ERR_GENERIC
else
return $OCF_NOT_RUNNING
fi
else
return $OCF_SUCCESS
fi
}
ipsec_validate() {
# The tunnel needs to be defined in the configuration
cat ${OCF_RESKEY_confdir}/*.conf | grep -q "conn $OCF_RESKEY_tunnel"
state=$?
if [ "$state" = "0" ]; then
return $OCF_SUCCESS
else
return $OCF_ERR_GENERIC
fi
}
case $__OCF_ACTION in
meta-data) meta_data
exit $OCF_SUCCESS
;;
start) ipsec_start;;
stop) ipsec_stop;;
monitor) ipsec_monitor;;
reload) ocf_log info "Reloading ${OCF_RESOURCE_INSTANCE} ..."
;;
usage|help) ipsec_usage
exit $OCF_SUCCESS
;;
*) ipsec_usage
exit $OCF_ERR_UNIMPLEMENTED
;;
esac
rc=$?
ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc"
exit $rc
|
