1 # This is a shell function library sourced by some Open vSwitch scripts.
2 # It is not intended to be invoked on its own.
4 # Copyright (C) 2009, 2010, 2011, 2012 Nicira, Inc.
6 # Licensed under the Apache License, Version 2.0 (the "License");
7 # you may not use this file except in compliance with the License.
8 # You may obtain a copy of the License at:
10 # http://www.apache.org/licenses/LICENSE-2.0
12 # Unless required by applicable law or agreed to in writing, software
13 # distributed under the License is distributed on an "AS IS" BASIS,
14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 # See the License for the specific language governing permissions and
16 # limitations under the License.
18 ## ----------------- ##
19 ## configure options ##
20 ## ----------------- ##
22 # All of these should be substituted by the Makefile at build time.
23 logdir=${OVS_LOGDIR-'@LOGDIR@'} # /var/log/openvswitch
24 rundir=${OVS_RUNDIR-'@RUNDIR@'} # /var/run/openvswitch
25 sysconfdir=${OVS_SYSCONFDIR-'@sysconfdir@'} # /etc
26 etcdir=$sysconfdir/openvswitch # /etc/openvswitch
27 datadir=${OVS_PKGDATADIR-'@pkgdatadir@'} # /usr/share/openvswitch
28 bindir=${OVS_BINDIR-'@bindir@'} # /usr/bin
29 sbindir=${OVS_SBINDIR-'@sbindir@'} # /usr/sbin
31 # /etc/openvswitch or /var/lib/openvswitch
32 if test X"$OVS_DBDIR" != X; then
34 elif test X"$OVS_SYSCONFDIR" != X; then
35 dbdir=$OVS_SYSCONFDIR/openvswitch
41 echo "$@" >> "${logdir}/ovs-ctl.log"
47 # In case of running the daemon with strace, piping the o/p causes
48 # the script to block (strace probably does not close the inherited
49 # pipe). So, do not log the o/p to ovs-ctl.log.
50 "${datadir}/scripts/ovs-ctl" "$@"
53 # In case of the command 'status', we should return the exit status
54 # of ovs-ctl. It is also useful to document the o/p in ovs-ctl.log.
55 display=`"${datadir}/scripts/ovs-ctl" "$@" 2>&1`
57 if test -w "${logdir}/ovs-ctl.log"; then
58 echo "${display}" | tee -a "${logdir}/ovs-ctl.log"
65 echo "`date -u`:$@" >> "${logdir}/ovs-ctl.log"
66 "${datadir}/scripts/ovs-ctl" "$@" 2>&1 | tee -a "${logdir}/ovs-ctl.log"
75 LC_ALL=C; export LC_ALL
81 # Use the system's own implementations if it has any.
82 if test -e /etc/init.d/functions; then
83 . /etc/init.d/functions
84 elif test -e /etc/rc.d/init.d/functions; then
85 . /etc/rc.d/init.d/functions
86 elif test -e /lib/lsb/init-functions; then
87 . /lib/lsb/init-functions
90 # Implement missing functions (e.g. OpenSUSE lacks 'action').
91 if type log_success_msg >/dev/null 2>&1; then :; else
96 if type log_failure_msg >/dev/null 2>&1; then :; else
98 printf '%s ... failed!\n' "$*"
101 if type log_warning_msg >/dev/null 2>&1; then :; else
103 printf '%s ... (warning).\n' "$*"
106 if type action >/dev/null 2>&1; then :; else
112 if test $rc = 0; then
113 log_success_msg "$STRING"
115 log_failure_msg "$STRING"
126 # This is better than "kill -0" because it doesn't require permission to
127 # send a signal (so daemon_status in particular works as non-root).
138 # drop core files in a sensible place
139 test -d "$DAEMON_CWD" || install -d -m 755 -o root -g root "$DAEMON_CWD"
144 test -d "$logdir" || install -d -m 755 -o root -g root "$logdir"
145 set "$@" --log-file="$logdir/$daemon.log"
147 # pidfile and monitoring
148 test -d "$rundir" || install -d -m 755 -o root -g root "$rundir"
149 set "$@" --pidfile="$rundir/$daemon.pid"
150 set "$@" --detach --monitor
155 if (valgrind --version) > /dev/null 2>&1; then
156 set valgrind -q --leak-check=full --time-stamp=yes \
157 --log-file="$logdir/$daemon.valgrind.log.%p" "$@"
159 log_failure_msg "valgrind not installed, running $daemon without it"
163 if (strace -V) > /dev/null 2>&1; then
164 strace="strace -tt -T -s 256 -ff"
165 if (strace -DV) > /dev/null 2>&1; then
167 set $strace -D -o "$logdir/$daemon.strace.log" "$@"
171 log_failure_msg "strace not installed, running $daemon without it"
175 set env MALLOC_CHECK_=2 MALLOC_PERTURB_=165 "$@"
180 log_failure_msg "unknown wrapper $wrapper, running $daemon without it"
185 if test X"$priority" != X; then
186 set nice -n "$priority" "$@"
189 action "Starting $daemon" "$@"
191 if test X"$strace" != X; then
192 # Strace doesn't have the -D option so we attach after the fact.
193 setsid $strace -o "$logdir/$daemon.strace.log" \
194 -p `cat $rundir/$daemon.pid` > /dev/null 2>&1 &
199 if test -e "$rundir/$1.pid"; then
200 if pid=`cat "$rundir/$1.pid"`; then
201 for action in TERM .1 .25 .65 1 1 1 1 KILL 1 1 1 2 10 15 30 FAIL; do
202 if pid_exists "$pid" >/dev/null 2>&1; then :; else
207 action "Killing $1 ($pid)" kill $pid
210 action "Killing $1 ($pid) with SIGKILL" kill -9 $pid
213 log_failure_msg "Killing $1 ($pid) failed"
223 log_success_msg "$1 is not running"
227 pidfile=$rundir/$1.pid
228 if test -e "$pidfile"; then
229 if pid=`cat "$pidfile"`; then
230 if pid_exists "$pid"; then
231 echo "$1 is running with pid $pid"
234 echo "Pidfile for $1 ($pidfile) is stale"
237 echo "Pidfile for $1 ($pidfile) exists but cannot be read"
240 echo "$1 is not running"
245 daemon_is_running () {
246 pidfile=$rundir/$1.pid
247 test -e "$pidfile" && pid=`cat "$pidfile"` && pid_exists "$pid"