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Diffstat (limited to 'src/pmlogger/rc_pmlogger')
| -rw-r--r-- | src/pmlogger/rc_pmlogger | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/src/pmlogger/rc_pmlogger b/src/pmlogger/rc_pmlogger new file mode 100644 index 0000000..251b43b --- /dev/null +++ b/src/pmlogger/rc_pmlogger @@ -0,0 +1,301 @@ +#!/bin/sh +# +# Copyright (c) 2012 Red Hat. +# Copyright (c) 2000-2008 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 pmlogger processes. +# +# The following is for chkconfig on RedHat based systems +# chkconfig: 2345 94 06 +# description: pmlogger is a performance metrics logger 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: pmlogger +# Required-Start: $local_fs +# Should-Start: $network $remote_fs $syslog $time $pmcd +# Required-Stop: $local_fs +# Should-Stop: $network $remote_fs $syslog $pmcd +# Default-Start: 2 3 4 5 +# Default-Stop: 0 1 6 +# Short-Description: Control pmlogger (the performance metrics logger for PCP) +# Description: Configure and control pmlogger (the performance metrics logger for the Performance Co-Pilot) +### END INIT INFO + +. $PCP_DIR/etc/pcp.env +. $PCP_SHARE_DIR/lib/rc-proc.sh + +PMLOGCTRL=$PCP_PMLOGGERCONTROL_PATH +PMLOGGER=$PCP_BINADM_DIR/pmlogger +prog=$PCP_RC_DIR/`basename $0` + +# search for your mail agent of choice ... +# +MAIL='' +for try in Mail mail email +do + if which $try >/dev/null 2>&1 + then + MAIL=$try + break + fi +done + +tmp=`mktemp -d /var/tmp/pcp.XXXXXXXXX` || exit 1 +status=1 +trap "rm -rf $tmp; exit \$status" 0 1 2 3 15 + +if is_chkconfig_on pmlogger +then + PMLOGGER_CTL=on +else + PMLOGGER_CTL=off +fi + +VERBOSE_CTL=on + +case "$PCP_PLATFORM" +in + mingw) + # nothing we can usefully do here, skip the test + # + IAM=0 + ;; + + *) + # standard Unix/Linux style test + # + ID=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 + +# Note: _start_pmcheck() runs in the background, in parallel with +# the rest of the script. It might complete well after the caller +# so tmpfile handling is especially problematic. Goal is to speed +# bootup by starting potentially slow (remote monitoring) pmlogger +# processes in the background. +# +_start_pmcheck() +{ + bgstatus=0 + bgtmp=`mktemp -d /var/tmp/pcp.XXXXXXXXX` || exit 1 + trap "rm -rf $bgtmp; exit \$bgstatus" 0 1 2 3 15 + + pmlogger_check $VFLAG >$bgtmp/pmcheck.out 2>$bgtmp/pmcheck + bgstatus=$? + if [ -s $bgtmp/pmcheck ] + then + $PCP_BINADM_DIR/pmpost "pmlogger_check failed in $prog, mailing output to root" + if [ ! -z "$MAIL" ] + then + $MAIL -s "pmlogger_check failed in $prog" root <$bgtmp/pmcheck + else + echo "$prog: pmlogger_check failed ..." + cat $bgtmp/pmcheck + fi + fi + exit $bgstatus # co-process is now complete +} + +_start_pmlogger() +{ + if which pmlogger_check >/dev/null 2>&1 + then + # pmlogger_check uses $PMLOGCTRL to start everything that is needed + # + if [ ! -f $PMLOGCTRL ] + then + echo "$prog:"' +Error: PCP archive logger control file '$PMLOGCTRL' + is missing! Cannot start any Performance Co-Pilot archive logger(s).' + # failure + false + else + # really start the pmlogger instances based on the control file. + # done in the background to avoid delaying the init script, + # failures are notified by mail + # + $ECHO $PCP_ECHO_N "Starting pmlogger ..." "$PCP_ECHO_C" + _start_pmcheck & + # success + true + fi + else + echo "$prog:"' +Warning: Performance Co-Pilot installation is incomplete (at least the + script "pmlogger_check" is missing) and the PCP archive logger(s) + cannot be started.' + # failure + false + fi + $RC_STATUS -v +} + +_shutdown() +{ + # Is any pmlogger running? + # + _get_pids_by_name pmlogger >$tmp/tmp + if [ ! -s $tmp/tmp ] + then + [ "$1" = verbose ] && echo "$prog: pmlogger not running" + return 0 + fi + + [ "$1" = quietly ] || \ + $ECHO $PCP_ECHO_N "Stopping pmlogger ...""$PCP_ECHO_C" + + # Terminate those pmloggers started by either pmlogger_check or + # pmlogger_daily ... relies on the -m option to pmlogger and the + # annotation in the (optional) 4th line of the port map files + # + for pid in `cat $tmp/tmp` + do + if [ -f "$PCP_TMP_DIR/pmlogger/$pid" ] + then + note=`sed -n -e 4p <"$PCP_TMP_DIR/pmlogger/$pid"` + if [ "$note" = pmlogger_check -o "$note" = pmlogger_daily ] + then + pmsignal -s TERM $pid + fi + fi + done + $RC_STATUS -v + $PCP_BINADM_DIR/pmpost "stop pmlogger from $prog" +} + +_usage() +{ + echo "Usage: $prog [-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 + REBUILDOPT='' + VFLAG='-V' +else # For a quiet startup and shutdown + ECHO=: + REBUILDOPT=-s + VFLAG= +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 "$prog:"' +Error: You must be root (uid 0) to start or stop the Performance Co-Pilot loggers.' + exit + fi +fi + +# First reset status of this service +$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 pmlogger + then + status=0 + exit + fi + _shutdown quietly + + # pmlogger messages should go to stderr, not the GUI notifiers + # + unset PCP_STDERR + + if [ -x $PMLOGGER ] + then + if [ "$PMLOGGER_CTL" = on ] + then + _start_pmlogger + fi + fi + + status=0 + ;; + + 'stop') + _shutdown verbose + status=0 + ;; + + 'status') + # NOTE: $RC_CHECKPROC returns LSB compliant status values. + $ECHO $PCP_ECHO_N "Checking for pmlogger:" "$PCP_ECHO_C" + if [ -r /etc/rc.status ] + then + # SuSE + $RC_CHECKPROC $PMLOGGER + $RC_STATUS -v + status=$? + else + # not SuSE + $RC_CHECKPROC $PMLOGGER + status=$? + if [ $status -eq 0 ] + then + $ECHO running + else + $ECHO stopped + fi + fi + ;; + + *) + _usage + ;; +esac + |