Merge "Add /var/crash dump management to maintenance."
This commit is contained in:
Zuul
Gerrit Code Review
commit
829c7b1db6
@ -350,6 +350,8 @@ install -m 700 -p -D %{_buildsubdir}/alarm/scripts/mtcalarm.init %{buildroot}%{_
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# TODO: Init hack. Should move to proper module
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install -m 755 -p -D %{_buildsubdir}/scripts/hwclock.sh %{buildroot}%{_sysconfdir}/init.d/hwclock.sh
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install -m 644 -p -D %{_buildsubdir}/scripts/hwclock.service %{buildroot}%{_unitdir}/hwclock.service
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install -m 755 -p -D %{_buildsubdir}/scripts/crashDumpMgr %{buildroot}%{_sysconfdir}/init.d/crashDumpMgr
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install -m 644 -p -D %{_buildsubdir}/scripts/crashDumpMgr.service %{buildroot}%{_unitdir}/crashDumpMgr.service
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# systemd service files
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install -m 644 -p -D %{_buildsubdir}/fsmon/scripts/fsmon.service %{buildroot}%{_unitdir}/fsmon.service
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@ -396,6 +398,7 @@ install -m 644 -p -D %{_buildsubdir}/lmon/scripts/lmon.pmon.conf %{buildroot}%{l
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# log rotation
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install -m 755 -d %{buildroot}%{_sysconfdir}/logrotate.d
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install -m 644 -p -D %{_buildsubdir}/scripts/crashdump.logrotate %{buildroot}%{local_etc_logrotated}/crashdump.logrotate
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install -m 644 -p -D %{_buildsubdir}/scripts/mtce.logrotate %{buildroot}%{local_etc_logrotated}/mtce.logrotate
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install -m 644 -p -D %{_buildsubdir}/hostw/scripts/hostw.logrotate %{buildroot}%{local_etc_logrotated}/hostw.logrotate
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install -m 644 -p -D %{_buildsubdir}/pmon/scripts/pmon.logrotate %{buildroot}%{local_etc_logrotated}/pmon.logrotate
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@ -432,6 +435,7 @@ install -m 755 -d %{buildroot}/var/run
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/bin/systemctl enable rsyncd.service
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/bin/systemctl enable goenabled.service
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/bin/systemctl enable mtcalarm.service
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/bin/systemctl enable crashDumpMgr.service
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%post -n mtce-hostw
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/bin/systemctl enable hostw.service
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@ -478,6 +482,7 @@ install -m 755 -d %{buildroot}/var/run
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%{local_etc_logrotated}/fsmon.logrotate
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%{local_etc_logrotated}/mtce.logrotate
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%{local_etc_logrotated}/mtcalarm.logrotate
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%{local_etc_logrotated}/crashdump.logrotate
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# Maintenance collect files
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%{local_etc_collectd}/collect_bmc
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@ -504,6 +509,7 @@ install -m 755 -d %{buildroot}/var/run
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%{_sysconfdir}/init.d/mtcClient
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%{_sysconfdir}/init.d/mtcalarm
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%{_sysconfdir}/init.d/hwclock.sh
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%{_sysconfdir}/init.d/crashDumpMgr
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%{_unitdir}/runservices.service
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%{_unitdir}/goenabled.service
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@ -513,6 +519,7 @@ install -m 755 -d %{buildroot}/var/run
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%{_unitdir}/mtcClient.service
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%{_unitdir}/hbsClient.service
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%{_unitdir}/hwclock.service
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%{_unitdir}/crashDumpMgr.service
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# Binaries
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%{local_bindir}/mtcAgent
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131
mtce/src/scripts/crashDumpMgr
Normal file
131
mtce/src/scripts/crashDumpMgr
Normal file
@ -0,0 +1,131 @@
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#!/bin/bash
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#
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# Copyright (c) 2020 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# chkconfig: 2345 98 2
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#
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### BEGIN INIT INFO
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# Provides: crashDumpMgr
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# Required-Start: $null
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# Required-Stop: $null
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# Default-Start: 3 5
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# Default-Stop: 0 1 2 6
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# Short-Description: Maintenance 'Crash Dump' Manager script
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### END INIT INFO
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CRASHDUMPMGR_TAG=${CRASHDUMPMGR_TAG:-"crashDumpMgr"}
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RETVAL=0
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#############################################################################
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# Log message to syslog
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#############################################################################
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function log()
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{
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logger -t ${CRASHDUMPMGR_TAG} $@
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}
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#############################################################################
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#
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# Name : manage_crash_dumps
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#
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# Purpose: Prevent crash dumps from filling up the root fs
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#
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# The kernel directs new crash dump bundles to
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# /var/crash/<dated vmcore bundle>. Crash dump
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# bundles are quite large and, if too many occur,
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# can fill up its target filesystem.
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#
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# This function nicely tars a crash bundle found in /var/crash
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# to /var/log/crash.
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#
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# The first bundle is tar'ed as vmcore_first.tar and preserved.
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# Subsequent crash bundles are nicely tar'ed as vmcore.tar
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#
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# Save the crash dump vmcore summary for all crash dumps.
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#
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# Assumptions: logration is used to compress these bundles in the background
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#
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############################################################################
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function manage_crash_dumps()
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{
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CRASH_DIR="/var/crash"
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CRASH_BUNDLE_DIR="/var/log/crash"
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OTHER_BUNDLE="${CRASH_BUNDLE_DIR}/vmcore.tar"
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FIRST_BUNDLE="${CRASH_BUNDLE_DIR}/vmcore_first.tar"
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FIRST_BUNDLE_ROTATED="${CRASH_BUNDLE_DIR}/vmcore_first.tar.1.gz"
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CRASH_BUNDLE_SUMMARY="vmcore-dmesg.txt"
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# tar command and nice levels
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TAR_CMD="tar -cf"
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NICE_CMD="/usr/bin/nice -n19"
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IONICE_CMD="/usr/bin/ionice -c2 -n7"
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log "managing ${CRASH_DIR}"
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cleanup=false
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# create dir if it does not exist
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if [ ! -d ${CRASH_BUNDLE_DIR} ] ; then
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mkdir ${CRASH_BUNDLE_DIR}
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fi
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for entry in ${CRASH_DIR}/*
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do
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if [ -d ${entry} ] ; then
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if [ -e ${entry}/vmcore ] ; then
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# save the crash dump vmcore summary for all crash dumps
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cp -a ${entry}/${CRASH_BUNDLE_SUMMARY} ${CRASH_DIR}/$(basename ${entry})_${CRASH_BUNDLE_SUMMARY}
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if [ "${cleanup}" != true ] ; then
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if [ -e ${FIRST_BUNDLE} -o -e ${FIRST_BUNDLE_ROTATED} ] ; then
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if [ ! -e ${OTHER_BUNDLE} ] ; then
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log "creating bundle from ${entry}"
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${IONICE_CMD} ${NICE_CMD} ${TAR_CMD} ${OTHER_BUNDLE} -C ${CRASH_DIR} $(basename ${entry})
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cleanup=true
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fi
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else
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log "creating first bundle from ${entry}"
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${IONICE_CMD} ${NICE_CMD} ${TAR_CMD} ${FIRST_BUNDLE} -C ${CRASH_DIR} $(basename ${entry})
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cleanup=true
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fi
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fi
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log "removing ${entry}"
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rm -rf "${entry}"
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fi
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fi
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done
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}
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# service case
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case "$1" in
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start)
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manage_crash_dumps
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;;
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stop)
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log "stop"
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;;
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restart)
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log "restart"
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stop
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start
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;;
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status)
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log "status"
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;;
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*)
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log "usage: $0 { start | stop | status | restart }"
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RETVAL=1
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;;
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esac
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exit $RETVAL
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13
mtce/src/scripts/crashDumpMgr.service
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13
mtce/src/scripts/crashDumpMgr.service
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@ -0,0 +1,13 @@
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[Unit]
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Description=Crash Dump Manager
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After=network.target
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Before=sshd.service
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[Service]
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Type=oneshot
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RemainAfterExit=no
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ExecStart=/etc/init.d/crashDumpMgr start
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ExecStop=/etc/init.d/crashDumpMgr stop
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[Install]
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WantedBy=multi-user.target
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14
mtce/src/scripts/crashdump.logrotate
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14
mtce/src/scripts/crashdump.logrotate
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/var/log/crash/vmcore.tar
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/var/log/crash/vmcore_first.tar
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{
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nodateext
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size 1K
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start 1
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rotate 1
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missingok
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notifempty
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compress
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postrotate
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rm -f $1
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endscript
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}
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