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Add and enable by default the log2ram service
Clean up distribution specific tweaks
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| The MIT License (MIT) | ||
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| Copyright (c) 2016 | ||
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| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
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| The above copyright notice and this permission notice shall be included in all | ||
| copies or substantial portions of the Software. | ||
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| SOFTWARE. |
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| #!/bin/sh | ||
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| SIZE=40M | ||
| USE_RSYNC=false | ||
| ENABLED=false | ||
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| [ -f /etc/default/log2ram ] && . /etc/default/log2ram | ||
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| [ "$ENABLED" != true ] && exit 0 | ||
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| # don't touch anything below here. | ||
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| HDD_LOG=/var/log.hdd/ | ||
| RAM_LOG=/var/log/ | ||
| LOG2RAM_LOG="${HDD_LOG}log2ram.log" | ||
| LOG_OUTPUT="tee -a $LOG2RAM_LOG" | ||
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| isSafe () { | ||
| [ -d $HDD_LOG ] || echo "ERROR: $HDD_LOG doesn't exist! Can't sync." | ||
| [ -d $HDD_LOG ] || exit 1 | ||
| } | ||
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| syncToDisk () { | ||
| isSafe | ||
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| if [ "$USE_RSYNC" = true ]; then | ||
| rsync -aXWv --delete --exclude log2ram.log --links $RAM_LOG $HDD_LOG 2>&1 | $LOG_OUTPUT | ||
| else | ||
| cp -rfup $RAM_LOG -T $HDD_LOG 2>&1 | $LOG_OUTPUT | ||
| fi | ||
| } | ||
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| syncFromDisk () { | ||
| isSafe | ||
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| if [ "$USE_RSYNC" = true ]; then | ||
| rsync -aXWv --delete --exclude log2ram.log --links $HDD_LOG $RAM_LOG 2>&1 | $LOG_OUTPUT | ||
| else | ||
| cp -rfup $HDD_LOG -T $RAM_LOG 2>&1 | $LOG_OUTPUT | ||
| fi | ||
| } | ||
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| case "$1" in | ||
| start) | ||
| [ -d $HDD_LOG ] || mkdir $HDD_LOG | ||
| rm -f $LOG2RAM_LOG | ||
| mount --bind $RAM_LOG $HDD_LOG | ||
| mount --make-private $HDD_LOG | ||
| mount -t tmpfs -o nosuid,noexec,nodev,mode=0755,size=$SIZE log2ram $RAM_LOG | ||
| syncFromDisk | ||
| ;; | ||
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| stop) | ||
| syncToDisk | ||
| umount -l $RAM_LOG | ||
| umount -l $HDD_LOG | ||
| ;; | ||
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| write) | ||
| syncToDisk | ||
| ;; | ||
| *) | ||
| echo "Usage: log2ram {start|stop|write}" >&2 | ||
| exit 1 | ||
| ;; | ||
| esac |
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| #! /bin/sh | ||
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| /usr/local/sbin/log2ram write |
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| [Unit] | ||
| Description=Log2Ram | ||
| DefaultDependencies=no | ||
| Wants=rsyslog.service systemd-journald.service | ||
| Before=syslog.target sysinit.target | ||
| After=local-fs.target | ||
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| [Service] | ||
| Type=oneshot | ||
| ExecStart=/usr/local/sbin/log2ram start | ||
| ExecStop=/usr/local/sbin/log2ram stop | ||
| ExecReload=/usr/local/sbin/log2ram write | ||
| RemainAfterExit=yes | ||
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| [Install] | ||
| WantedBy=sysinit.target |