diff options
Diffstat (limited to 'src/pmwebapi/rc_pmwebd')
| -rw-r--r-- | src/pmwebapi/rc_pmwebd | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/src/pmwebapi/rc_pmwebd b/src/pmwebapi/rc_pmwebd new file mode 100644 index 0000000..e1a0e4b --- /dev/null +++ b/src/pmwebapi/rc_pmwebd @@ -0,0 +1,294 @@ +#! /bin/sh +# +# Copyright (c) 2013 Red Hat. +# Copyright (c) 2005 Silicon Graphics, Inc. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# Start or Stop the Performance Co-Pilot (PCP) web daemon for pmcd +# +# The following is for chkconfig on RedHat based systems +# chkconfig: 2345 95 05 +# description: pmwebd is the web frontend for the Performance Co-Pilot (PCP) +# +# The following is for insserv(1) based systems, +# e.g. SuSE, where chkconfig is a perl script. +### BEGIN INIT INFO +# Provides: pmwebd +# Required-Start: $remote_fs +# Should-Start: $local_fs $network $syslog $time $pmcd +# Required-Stop: $remote_fs +# Should-Stop: $local_fs $network $syslog $pmcd +# Default-Start: 2 3 4 5 +# Default-Stop: 0 1 6 +# Short-Description: Control pmwebd (the web frontend for PCP) +# Description: Configure and control pmwebd (the web frontend daemon for the Performance Co-Pilot) +### END INIT INFO + +. $PCP_DIR/etc/pcp.env +. $PCP_SHARE_DIR/lib/rc-proc.sh + +PMWEBD=$PCP_BINADM_DIR/pmwebd +PMWEBDOPTS=$PCP_PMWEBDOPTIONS_PATH +RUNDIR=$PCP_LOG_DIR/pmwebd +pmprog=$PCP_RC_DIR/pmwebd +prog=$PCP_RC_DIR/`basename $0` + +tmp=`mktemp -d /var/tmp/pcp.XXXXXXXXX` || exit 1 +status=1 +trap "rm -rf $tmp; exit \$status" 0 1 2 3 15 + +if [ $pmprog = $prog ] +then + VERBOSE_CTL=on +else + VERBOSE_CTL=off +fi + +case "$PCP_PLATFORM" +in + mingw) + # nothing we can usefully do here, skip the test + # + ;; + + *) + # standard Unix/Linux style test + # + ID=id + test -f /usr/xpg4/bin/id && ID=/usr/xpg4/bin/id + + IAM=`$ID -u 2>/dev/null` + if [ -z "$IAM" ] + then + # do it the hardway + # + IAM=`$ID | sed -e 's/.*uid=//' -e 's/(.*//'` + fi + ;; +esac + +_shutdown() +{ + # Is pmwebd running? + # + _get_pids_by_name pmwebd >$tmp/tmp + if [ ! -s $tmp/tmp ] + then + [ "$1" = verbose ] && echo "$pmprog: pmwebd not running" + return 0 + fi + + # Send pmwebd a SIGTERM, which is noted as a pending shutdown. + # When finished the currently active request, pmwebd will close any + # connections and then exit. + # Wait for pmwebd to terminate. + # + pmsignal -a -s TERM pmwebd > /dev/null 2>&1 + $ECHO $PCP_ECHO_N "Waiting for pmwebd to terminate ...""$PCP_ECHO_C" + gone=0 + for i in 1 2 3 4 5 6 + do + sleep 3 + _get_pids_by_name pmwebd >$tmp/tmp + if [ ! -s $tmp/tmp ] + then + gone=1 + break + fi + + # If pmwebd doesn't go in 15 seconds, SIGKILL and sleep 1 more time + # to allow any clients reading from pmwebd sockets to fail so that + # socket doesn't end up in TIME_WAIT or somesuch. + # + if [ $i = 5 ] + then + $ECHO + echo "Process ..." + $PCP_PS_PROG $PCP_PS_ALL_FLAGS >$tmp/ps + sed 1q $tmp/ps + for pid in `cat $tmp/tmp` + do + $PCP_AWK_PROG <$tmp/ps "\$2 == $pid { print }" + done + echo "$prog: Warning: Forcing pmwebd to terminate!" + pmsignal -a -s KILL pmwebd > /dev/null 2>&1 + else + $ECHO $PCP_ECHO_N ".""$PCP_ECHO_C" + fi + done + if [ $gone != 1 ] # It just WON'T DIE, give up. + then + echo "Process ..." + cat $tmp/tmp + echo "$prog: Warning: pmwebd won't die!" + exit + fi + $RC_STATUS -v + $PCP_BINADM_DIR/pmpost "stop pmwebd from $pmprog" +} + +_usage() +{ + echo "Usage: $pmprog [-v] {start|restart|condrestart|stop|status|reload|force-reload}" +} + +while getopts v c +do + case $c + in + v) # force verbose + VERBOSE_CTL=on + ;; + + *) + _usage + exit 1 + ;; + esac +done +shift `expr $OPTIND - 1` + +if [ $VERBOSE_CTL = on ] +then # For a verbose startup and shutdown + ECHO=$PCP_ECHO_PROG +else # For a quiet startup and shutdown + ECHO=: +fi + +if [ "$IAM" != 0 -a "$1" != "status" ] +then + if [ -n "$PCP_DIR" ] + then + : running in a non-default installation, do not need to be root + else + echo "$prog:"' +Error: You must be root (uid 0) to start or stop the PCP pmwebd daemon.' + exit + fi +fi + +# First reset status of this service +$RC_RESET + +# Return values acc. to LSB for all commands but status: +# 0 - success +# 1 - misc error +# 2 - invalid or excess args +# 3 - unimplemented feature (e.g. reload) +# 4 - insufficient privilege +# 5 - program not installed +# 6 - program not configured +# +# Note that starting an already running service, stopping +# or restarting a not-running service as well as the restart +# with force-reload (in case signalling is not supported) are +# considered a success. +case "$1" in + + 'start'|'restart'|'condrestart'|'reload'|'force-reload') + if [ "$1" = "condrestart" ] && ! is_chkconfig_on pmwebd + then + status=0 + exit + fi + + _shutdown quietly + + # pmwebd messages should go to stderr, not the GUI notifiers + # + unset PCP_STDERR + + if [ -x $PMWEBD ] + then + if [ ! -f $PCP_PMWEBDCONF_PATH ] + then + echo "$prog:"' +Error: pmwebd control file "$PCP_PMWEBDCONF_PATH" is missing, cannot start pmwebd.' + exit + fi + [ ! -d $RUNDIR ] && mkdir -p $RUNDIR + cd $RUNDIR + + # salvage the previous versions of any pmwebd + # + if [ -f pmwebd.log ] + then + rm -f pmwebd.log.prev + mv pmwebd.log pmwebd.log.prev + fi + + $ECHO $PCP_ECHO_N "Starting pmwebd ..." "$PCP_ECHO_C" + + # options file processing ... + # only consider lines which start with a hyphen + # get rid of the -f option + # ensure multiple lines concat onto 1 line + OPTS=`sed <$PMWEBDOPTS 2>/dev/null \ + -e '/^[^-]/d' \ + -e 's/^/ /' \ + -e 's/$/ /' \ + -e 's/ -f / /g' \ + -e 's/^ //' \ + -e 's/ $//' \ + | tr '\012' ' ' ` + + # environment stuff + # + eval `sed -e 's/"/\\"/g' $PMWEBDOPTS \ + | awk -F= ' +BEGIN { exports="" } +/^[A-Z]/ && NF == 2 { exports=exports" "$1 + printf "%s=${%s:-\"%s\"}\n", $1, $1, $2 + } +END { if (exports != "") print "export", exports }'` + + $PMWEBD $OPTS + $RC_STATUS -v + + $PCP_BINADM_DIR/pmpost "start pmwebd from $pmprog" + + fi + status=0 + ;; + + 'stop') + _shutdown + status=0 + ;; + + 'status') + # NOTE: $RC_CHECKPROC returns LSB compliant status values. + $ECHO $PCP_ECHO_N "Checking for pmwebd:" "$PCP_ECHO_C" + if [ -r /etc/rc.status ] + then + # SuSE + $RC_CHECKPROC $PMWEBD + $RC_STATUS -v + status=$? + else + # not SuSE + $RC_CHECKPROC $PMWEBD + status=$? + if [ $status -eq 0 ] + then + $ECHO running + else + $ECHO stopped + fi + fi + ;; + + *) + _usage + ;; +esac + |