放在/etc/init.d/目录下，用法如下：
1 root@u253:~# /etc/init.d/ceph
2 === mon.a ===
3 usage: /etc/init.d/ceph [options] {start|stop|restart} [mon|osd|mds]...
4 -c ceph.conf
5 --valgrind run via valgrind
6 --hostname [hostname] override hostname lookup
源码如下:
1 文件名：ceph
2 #!/bin/sh
3 # Start/stop ceph daemons
4 # chkconfig: 2345 60 80
5
6 ### BEGIN INIT INFO
7 # Provides: ceph
8 # Default-Start: 2 3 5
9 # Default-Stop: 0 1 6
10 # Required-Start: $remote_fs $named $network $time
11 # Required-Stop: $remote_fs $named $network $time
12 # Short-Description: Start Ceph distributed file system daemons at boot time
13 # Description: Enable Ceph distributed file system services.
14 ### END INIT INFO
15
16 # if we start up as ./mkcephfs, assume everything else is in the
17 # current directory too.
18 if [ `dirname $0` = "." ] && [ $PWD != "/etc/init.d" ]; then
19 BINDIR=.
20 LIBDIR=.
21 ETCDIR=.
22 else
23 BINDIR=/usr/bin
24 LIBDIR=/usr/lib/ceph
25 ETCDIR=/etc/ceph
26 fi
27
28 usage_exit() {
29 echo "usage: $0 [options] {start|stop|restart} [mon|osd|mds]..."
30 printf "\t-c ceph.conf\n"
31 printf "\t--valgrind\trun via valgrind\n"
32 printf "\t--hostname [hostname]\toverride hostname lookup\n"
33 exit
34 }
35
36 . $LIBDIR/ceph_common.sh
37
38 EXIT_STATUS=0
39
40 signal_daemon() {
41 name=$1
42 daemon=$2
43 pidfile=$3
44 signal=$4
45 action=$5
46 [ -z "$action" ] && action="Stopping"
47 echo -n "$action Ceph $name on $host..."
48 do_cmd "if [ -e $pidfile ]; then
49 pid=`cat $pidfile`
50 if [ -e /proc/\$pid ] && grep -q $daemon /proc/\$pid/cmdline ; then
51 cmd=\"kill $signal \$pid\"
52 echo -n \$cmd...
53 \$cmd
54 fi
55 fi"
56 echo done
57 }
58
59 daemon_is_running() {
60 name=$1
61 daemon=$2
62 daemon_id=$3
63 pidfile=$4
64 do_cmd "[ -e $pidfile ] || exit 1 # no pid, presumably not running
65 pid=\`cat $pidfile\`
66 [ -e /proc/\$pid ] && grep -q $daemon /proc/\$pid/cmdline && grep -qwe -i.$daemon_id /proc/\$pid/cmdline && exit 0 # running
67 exit 1 # pid is something else" "" "okfail"
68 }
69
70 stop_daemon() {
71 name=$1
72 daemon=$2
73 pidfile=$3
74 signal=$4
75 action=$5
76 [ -z "$action" ] && action="Stopping"
77 echo -n "$action Ceph $name on $host..."
78 do_cmd "while [ 1 ]; do
79 [ -e $pidfile ] || break
80 pid=\`cat $pidfile\`
81 while [ -e /proc/\$pid ] && grep -q $daemon /proc/\$pid/cmdline ; do
82 cmd=\"kill $signal \$pid\"
83 echo -n \$cmd...
84 \$cmd
85 sleep 1
86 continue
87 done
88 break
89 done"
90 echo done
91 }
92
93 ## command line options
94 options=
95
96 version=0
97 dovalgrind=
98 docrun=
99 allhosts=0
100 debug=0
101 monaddr=
102 dobtrfs=1
103 dobtrfsumount=0
104 verbose=0
105
106 while echo $1 | grep -q '^-'; do # FIXME: why not '^-'?
107 case $1 in
108 -v | --verbose)
109 verbose=1
110 ;;
111 --valgrind)
112 dovalgrind=1
113 ;;
114 --novalgrind)
115 dovalgrind=0
116 ;;
117 --allhosts | -a)
118 allhosts=1;
119 ;;
120 --restart)
121 docrun=1
122 ;;
123 --norestart)
124 docrun=0
125 ;;
126 -m )
127 [ -z "$2" ] && usage_exit
128 options="$options $1"
129 shift
130 MON_ADDR=$1
131 ;;
132 --btrfs)
133 dobtrfs=1
134 ;;
135 --nobtrfs)
136 dobtrfs=0
137 ;;
138 --btrfsumount)
139 dobtrfsumount=1
140 ;;
141 --conf | -c)
142 [ -z "$2" ] && usage_exit
143 options="$options $1"
144 shift
145 conf=$1
146 ;;
147 --hostname )
148 [ -z "$2" ] && usage_exit
149 options="$options $1"
150 shift
151 hostname=$1
152 ;;
153 *)
154 echo unrecognized option \'$1\'
155 usage_exit
156 ;;
157 esac
158 options="$options $1"
159 shift
160 done
161
162 verify_conf
163
164 command=$1
165 [ -n "$*" ] && shift
166
167 get_name_list "$@"
168
169 for name in $what; do
170 type=`echo $name | cut -c 1-3` # e.g. 'mon', if $item is 'mon1'
171 id=`echo $name | cut -c 4- | sed 's/^\\.//'`
172 num=$id
173 name="$type.$id"
174
175 get_conf auto_start "" "auto start"
176 if [ -z "$@" ] || [ "$@" = "mds" ]; then
177 if [ "$auto_start" = "no" ] || [ "$auto_start" = "false" ] || [ "$auto_start" = "0" ]; then
178 continue
179 fi
180 fi
181
182 check_host || continue
183
184 get_conf pid_file "/var/run/ceph/$type.$id.pid" "pid file"
185 [ -n "$pid_file" ] && do_cmd "mkdir -p "`dirname $pid_file`
186
187 get_conf log_dir "" "log dir"
188 get_conf log_sym_dir "" "log sym dir"
189 [ -n "$log_dir" ] && do_cmd "mkdir -p $log_dir"
190 [ -n "$log_sym_dir" ] && do_cmd "mkdir -p $log_sym_dir"
191
192 # start, and already running? (do this check early to avoid unnecessary work!)
193 if [ "$command" = "start" ]; then
194 if daemon_is_running $name ceph-$type $id $pid_file; then
195 echo "Starting Ceph $name on $host...already running"
196 continue
197 fi
198 fi
199
200 # binary?
201 binary="$BINDIR/ceph-$type"
202 if [ "$command" = "start" ]; then
203 get_conf copy_executable_to "" "copy executable to"
204 if [ -n "$copy_executable_to" ]; then
205 scp $binary "$host:$copy_executable_to"
206 binary="$copy_executable_to"
207 fi
208 fi
209
210 cmd="$binary -i $id"
211
212 # conf file
213 if [ "$host" = "$hostname" ]; then
214 cur_conf=$conf
215 else
216 if echo $pushed_to | grep -v -q " $host "; then
217 scp -q $conf $host:/tmp/ceph.conf.$$
218 pushed_to="$pushed_to $host "
219 fi
220 cur_conf="/tmp/ceph.conf.$$"
221 fi
222 cmd="$cmd -c $cur_conf"
223
224 if echo $name | grep -q ^osd; then
225 get_conf osd_data "" "osd data"
226 get_conf btrfs_path "$osd_data" "btrfs path" # mount point defaults so osd data
227 get_conf btrfs_devs "" "btrfs devs"
228 first_dev=`echo $btrfs_devs | cut '-d ' -f 1`
229 fi
230
231 # do lockfile, if RH
232 get_conf lockfile "/var/lock/subsys/ceph" "lock file"
233 lockdir=`dirname $lockfile`
234 if [ ! -d "$lockdir" ]; then
235 lockfile=""
236 fi
237
238 case "$command" in
239 start)
240 # Increase max_open_files, if the configuration calls for it.
241 get_conf max_open_files "0" "max open files"
242 if [ $max_open_files != "0" ]; then
243 # Note: Don't try to do math with these numbers, because POSIX shells
244 # can't do 64-bit math (natively). Just treat them as strings.
245 cur=`ulimit -n`
246 if [ "x$max_open_files" != "x$cur" ]; then
247 ulimit -n $max_open_files
248 fi
249 fi
250
251 # build final command
252 wrap=""
253 runmode=""
254 runarg=""
255
256 [ -z "$crun" ] && get_conf_bool crun "0" "restart on core dump"
257 [ "$crun" -eq 1 ] && wrap="$BINDIR/ceph-run"
258
259 [ -z "$dovalgrind" ] && get_conf_bool valgrind "" "valgrind"
260 [ -n "$valgrind" ] && wrap="$wrap valgrind $valgrind"
261
262 [ -n "$wrap" ] && runmode="-f &" && runarg="-f"
263
264 cmd="$wrap $cmd $runmode"
265
266 if [ $dobtrfs -eq 1 ] && [ -n "$btrfs_devs" ]; then
267 get_conf pre_mount "true" "pre mount command"
268 get_conf btrfs_opt "noatime" "btrfs options"
269 [ -n "$btrfs_opt" ] && btrfs_opt="-o $btrfs_opt"
270 [ -n "$pre_mount" ] && do_cmd "$pre_mount"
271 echo Mounting Btrfs on $host:$btrfs_path
272 do_root_cmd "modprobe btrfs ; btrfsctl -a ; egrep -q '^[^ ]+ $btrfs_path' /proc/mounts || mount -t btrfs $btrfs_opt $first_dev $btrfs_path"
273 fi
274 echo Starting Ceph $name on $host...
275 get_conf pre_start_eval "" "pre start eval"
276 [ -n "$pre_start_eval" ] && $pre_start_eval
277 get_conf pre_start "" "pre start command"
278 get_conf post_start "" "post start command"
279 [ -n "$pre_start" ] && do_cmd "$pre_start"
280 do_cmd "$cmd" $runarg
281 [ -n "$post_start" ] && do_cmd "$post_start"
282 [ -n "$lockfile" ] && [ "$?" -eq 0 ] && touch $lockfile
283 ;;
284
285 stop)
286 get_conf pre_stop "" "pre stop command"
287 get_conf post_stop "" "post stop command"
288 [ -n "$pre_stop" ] && do_cmd "$pre_stop"
289 stop_daemon $name ceph-$type $pid_file
290 [ -n "$post_stop" ] && do_cmd "$post_stop"
291 [ -n "$lockfile" ] && [ "$?" -eq 0 ] && rm -f $lockfile
292 if [ $dobtrfsumount -eq 1 ] && [ -n "$btrfs_devs" ]; then
293 echo Unmounting Btrfs on $host:$btrfs_path
294 do_root_cmd "umount $btrfs_path || true"
295 fi
296 ;;
297
298 status)
299 if daemon_is_running $name ceph-$type $id $pid_file; then
300 echo "$name: running..."
301 elif [ -e "$pid_file" ]; then
302 # daemon is dead, but pid file still exists
303 echo "$name: dead."
304 EXIT_STATUS=1
305 else
306 # daemon is dead, and pid file is gone
307 echo "$name: not running."
308 EXIT_STATUS=3
309 fi
310 ;;
311
312 ssh)
313 $ssh
314 ;;
315
316 forcestop)
317 get_conf pre_forcestop "" "pre forcestop command"
318 get_conf post_forcestop "" "post forcestop command"
319 [ -n "$pre_forcestop" ] && do_cmd "$pre_forcestop"
320 stop_daemon $name ceph-$type $pid_file -9
321 [ -n "$post_forcestop" ] && do_cmd "$post_forcestop"
322 [ -n "$lockfile" ] && [ "$?" -eq 0 ] && rm -f $lockfile
323 ;;
324
325 killall)
326 echo "killall ceph-$type on $host"
327 do_cmd "pkill ^ceph-$type || true"
328 [ -n "$lockfile" ] && [ "$?" -eq 0 ] && rm -f $lockfile
329 ;;
330
331 force-reload | reload)
332 signal_daemon $name ceph-$type $pid_file -1 "Reloading"
333 ;;
334
335 restart)
336 $0 $options stop $name
337 $0 $options start $name
338 ;;
339
340 cleanlogs)
341 echo removing logs
342 if [ -n "$log_sym_dir" ]; then
343 do_cmd "for f in $log_sym_dir/$type.$id.*; do rm -f \`readlink \$f\` ; rm -f \$f ; done ; rm -f $log_dir/$type.$id.*"
344 fi
345 [ -n "$log_dir" ] && do_cmd "rm -f $log_dir/$type.$id.*"
346 ;;
347
348 cleanalllogs)
349 echo removing all logs
350 [ -n "$log_sym_dir" ] && do_cmd "rm -f $log_sym_dir/* || true"
351 [ -n "$log_dir" ] && do_cmd "rm -f $log_dir/* || true"
352 ;;
353
354 *)
355 usage_exit
356 ;;
357 esac
358 done
359
360 exit $EXIT_STATUS
时间： 2024-07-30 11:52:54