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Commit | Line | Data |
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e9dbc551 | 1 | #!/bin/bash |
2e8b91a6 | 2 | # |
e9dbc551 | 3 | # xendomains Start / stop domains automatically when domain 0 boots / shuts down. |
2e8b91a6 | 4 | # |
e9dbc551 JR |
5 | # chkconfig: 345 99 00 |
6 | # description: Start / stop Xen domains. | |
2e8b91a6 | 7 | # |
2e8b91a6 JR |
8 | |
9 | . /etc/rc.d/init.d/functions | |
10 | ||
e9dbc551 JR |
11 | if ! [ -e /proc/xen/privcmd ]; then |
12 | exit 0 | |
13 | fi | |
2e8b91a6 | 14 | |
e9dbc551 JR |
15 | TOOLSTACK=$(/usr/lib/xen/bin/xen-toolstack toolstack 2>/dev/null) |
16 | if [ $? -ne 0 ]; then | |
17 | echo "No usable Xen toolstack selected" | |
18 | exit 0 | |
19 | fi | |
20 | if [ "$(basename "$TOOLSTACK")" != xl ] && [ "$(basename "$TOOLSTACK")" != xm ]; then | |
21 | exit 0 | |
22 | fi | |
2e8b91a6 | 23 | |
e9dbc551 JR |
24 | if ! /usr/lib/xen/bin/xen-toolstack list >/dev/null 2>&1 ; then |
25 | exit 0; | |
2e8b91a6 JR |
26 | fi |
27 | ||
e9dbc551 JR |
28 | [ -r /etc/sysconfig/xendomains ] && . /etc/sysconfig/xendomains |
29 | ||
30 | shopt -s nullglob | |
31 | ||
32 | check_config_name() | |
33 | { | |
34 | /usr/lib/xen/bin/xen-toolstack create --quiet --dryrun --defconfig "$1" | sed -n 's/^.*\("name":"\([^"]*\)",.*\)\|(name \(.*\))$/\2\3/p' | |
2e8b91a6 JR |
35 | } |
36 | ||
e9dbc551 JR |
37 | check_running() |
38 | { | |
39 | /usr/lib/xen/bin/xen-toolstack domid "$1" >/dev/null 2>&1 | |
40 | return $? | |
2e8b91a6 JR |
41 | } |
42 | ||
e9dbc551 JR |
43 | timeout_coproc() |
44 | { | |
45 | local TIMEOUT=$1 | |
46 | shift | |
47 | ||
48 | coproc "$@" >/dev/null 2>&1 | |
49 | ||
50 | local COPROC_OUT | |
51 | exec {COPROC_OUT}<&"${COPROC[0]}" | |
52 | local PID="$COPROC_PID" | |
53 | ||
54 | for no in $(seq 0 $TIMEOUT); do | |
55 | if [ -z "$COPROC_PID" ]; then break; fi | |
56 | sleep 1 | |
57 | done | |
58 | ||
59 | kill -INT "$COPROC_PID" >/dev/null 2>&1 | |
60 | wait $PID | |
61 | local rc=$? | |
62 | if [ $rc -eq 0 ]; then | |
63 | ok | |
2e8b91a6 | 64 | else |
e9dbc551 | 65 | fail |
2e8b91a6 | 66 | fi |
e9dbc551 JR |
67 | |
68 | [ $rc -gt 0 ] && cat <&$COPROC_OUT | |
69 | exec <&$COPROC_OUT- | |
2e8b91a6 JR |
70 | } |
71 | ||
e9dbc551 JR |
72 | timeout_domain() |
73 | { | |
74 | name="$1" | |
75 | TIMEOUT="$2" | |
76 | for no in $(seq 0 $TIMEOUT); do | |
77 | if ! check_running "$name"; then return 0; fi | |
78 | sleep 1 | |
79 | done | |
80 | return 1 | |
2e8b91a6 JR |
81 | } |
82 | ||
e9dbc551 JR |
83 | do_start_restore() |
84 | { | |
85 | [ -n "$XENDOMAINS_SAVE" ] || return | |
86 | [ -d "$XENDOMAINS_SAVE" ] || return | |
87 | [ -n "$XENDOMAINS_RESTORE" ] || return | |
88 | ||
89 | for file in $XENDOMAINS_SAVE/*; do | |
90 | if [ -f $file ] ; then | |
91 | name="${file##*/}" | |
92 | show "Restoring Xen domain $name (from $file)" | |
93 | busy | |
94 | ||
95 | out=$(/usr/lib/xen/bin/xen-toolstack restore "$file" >/dev/null 2>&1) | |
96 | case "$?" in | |
97 | 0) | |
98 | rm "$file" | |
99 | domains[$name]='started' | |
100 | ok | |
101 | ;; | |
102 | *) | |
103 | domains[$name]='failed' | |
104 | fail | |
105 | echo "$out" | |
106 | ;; | |
107 | esac | |
108 | fi | |
109 | done | |
2e8b91a6 JR |
110 | } |
111 | ||
e9dbc551 JR |
112 | do_start_auto() |
113 | { | |
114 | [ -n "$XENDOMAINS_AUTO" ] || return | |
115 | [ -d "$XENDOMAINS_AUTO" ] || return | |
2e8b91a6 | 116 | |
e9dbc551 JR |
117 | for file in $XENDOMAINS_AUTO/*; do |
118 | name="$(check_config_name $file)" | |
119 | ||
120 | if [ "${domains[$name]}" = started ]; then | |
121 | : | |
122 | elif check_running "$name"; then | |
123 | echo "Xen domain $name already running" | |
2e8b91a6 | 124 | else |
e9dbc551 JR |
125 | show "Starting Xen domain $name (from $file)" |
126 | busy | |
127 | ||
128 | if [ "${domains[$name]}" = failed ]; then | |
129 | fail | |
130 | else | |
131 | out=$(/usr/lib/xen/bin/xen-toolstack create --quiet --defconfig "$file" >/dev/null 2>&1) | |
132 | case "$?" in | |
133 | 0) | |
134 | ok | |
135 | ;; | |
136 | *) | |
137 | fail | |
138 | echo "$out" | |
139 | ;; | |
140 | esac | |
141 | fi | |
2e8b91a6 | 142 | fi |
2e8b91a6 | 143 | done |
2e8b91a6 JR |
144 | } |
145 | ||
e9dbc551 JR |
146 | do_start() |
147 | { | |
148 | declare -A domains | |
149 | ||
150 | if [ -f /var/lock/subsys/xendomains ]; then | |
151 | msg_already_running "xendomains" | |
152 | return | |
2e8b91a6 | 153 | fi |
2e8b91a6 | 154 | |
e9dbc551 JR |
155 | do_start_restore |
156 | do_start_auto | |
157 | ||
158 | touch /var/lock/subsys/xendomains | |
2e8b91a6 JR |
159 | } |
160 | ||
e9dbc551 JR |
161 | do_stop_migrate() |
162 | { | |
163 | [ -n "$XENDOMAINS_MIGRATE" ] || return | |
2e8b91a6 | 164 | |
e9dbc551 JR |
165 | while read id name rest; do |
166 | show "Migrating Xen domain $name ($id)" | |
167 | busy | |
168 | (timeout_coproc "$XENDOMAINS_STOP_MAXWAIT" /usr/lib/xen/bin/xen-toolstack migrate $id $XENDOMAINS_MIGRATE) | |
169 | done < <(/usr/lib/xen/bin/xen-init-list) | |
2e8b91a6 JR |
170 | } |
171 | ||
e9dbc551 | 172 | do_stop_save() |
2e8b91a6 | 173 | { |
e9dbc551 JR |
174 | [ -n "$XENDOMAINS_SAVE" ] || return |
175 | [ -d "$XENDOMAINS_SAVE" ] || mkdir -m 0700 -p "$XENDOMAINS_SAVE" | |
176 | ||
177 | while read id name rest; do | |
178 | show "Saving Xen domain $name ($id)" | |
179 | busy | |
180 | (timeout_coproc "$XENDOMAINS_STOP_MAXWAIT" /usr/lib/xen/bin/xen-toolstack save $id $XENDOMAINS_SAVE/$name) | |
181 | done < <(/usr/lib/xen/bin/xen-init-list) | |
2e8b91a6 JR |
182 | } |
183 | ||
e9dbc551 | 184 | do_stop_shutdown() |
2e8b91a6 | 185 | { |
e9dbc551 JR |
186 | while read id name rest; do |
187 | show "Shutting down Xen domain $name ($id)" | |
188 | busy | |
189 | /usr/lib/xen/bin/xen-toolstack shutdown $id >/dev/null 2>&1 | |
190 | if [ $? -eq 0 ]; then | |
191 | ok | |
192 | else | |
193 | fail | |
194 | fi | |
195 | done < <(/usr/lib/xen/bin/xen-init-list) | |
196 | while read id name rest; do | |
197 | show "Waiting for Xen domain $name ($id) to shut down" | |
198 | busy | |
199 | timeout_domain "$name" "$XENDOMAINS_STOP_MAXWAIT" | |
200 | if [ $? -eq 0 ]; then | |
201 | ok | |
202 | else | |
203 | fail | |
204 | fi | |
205 | done < <(/usr/lib/xen/bin/xen-init-list) | |
2e8b91a6 JR |
206 | } |
207 | ||
e9dbc551 | 208 | do_stop() |
2e8b91a6 | 209 | { |
e9dbc551 JR |
210 | if [ ! -f /var/lock/subsys/xendomains ]; then |
211 | msg_not_running "xendomains" | |
212 | return | |
213 | fi | |
214 | ||
215 | do_stop_migrate | |
216 | do_stop_save | |
217 | do_stop_shutdown | |
218 | ||
219 | rm -f /var/lock/subsys/xendomains | |
2e8b91a6 JR |
220 | } |
221 | ||
2e8b91a6 | 222 | case "$1" in |
e9dbc551 JR |
223 | start) |
224 | do_start | |
225 | ;; | |
226 | stop) | |
227 | do_stop | |
228 | ;; | |
229 | restart) | |
230 | do_stop | |
231 | do_start | |
232 | ;; | |
233 | reload|force-reload) | |
234 | do_stop | |
235 | do_start | |
236 | ;; | |
237 | status) | |
238 | if [ -f /var/lock/subsys/xendomains ]; then | |
239 | /usr/lib/xen/bin/xen-toolstack list -v | |
240 | fi | |
241 | ;; | |
242 | *) | |
243 | echo "Usage: $0 {start|stop|status|restart|reload|force-reload}" | |
244 | exit 3 | |
245 | ;; | |
2e8b91a6 JR |
246 | esac |
247 | ||
e9dbc551 | 248 | exit 0 |