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