3
# Scripts to run by MySQL systemd service
5
# Needed argument: pre | post
7
# pre mode : try to run mysql_install_db and fix perms and SELinux contexts
8
# post mode : ping server until answer is received
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# Note: something different than datadir=/var/lib/mysql requires SELinux policy changes (in enforcing mode)
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datadir=$(/usr/bin/my_print_defaults server mysqld | grep '^--datadir=' | sed -n 's/--datadir=//p')
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# Restore log, dir, perms and SELinux contexts
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[ -d "$datadir" ] || install -d -m 0755 -omysql -gmysql "$datadir" || exit 1
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log=/var/log/mysqld.log
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[ -e $log ] || touch $log
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chown mysql:mysql $log || exit 1
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if [ -x /usr/sbin/restorecon ]; then
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/usr/sbin/restorecon "$datadir"
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/usr/sbin/restorecon $log
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# If special mysql dir is in place, skip db install
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[ -d "$datadir/mysql" ] && exit 0
30
/usr/bin/mysql_install_db --rpm --datadir="$datadir" --user=mysql
35
# Wait for ping to answer to signal startup completed,
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# might take a while in case of e.g. crash recovery
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# MySQL systemd service will timeout script if no answer
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mysqladmin ping >/dev/null 2>&1 && break