mirror of
https://github.com/MariaDB/server.git
synced 2025-11-04 04:46:15 +01:00
99 lines
3.5 KiB
Bash
99 lines
3.5 KiB
Bash
#!/bin/bash
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set -e
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. /usr/share/debconf/confmodule
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# Automatically set version to ease maintenance of this file
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MAJOR_VER="${DPKG_MAINTSCRIPT_PACKAGE#mariadb-server-}"
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if [ -n "$DEBIAN_SCRIPT_DEBUG" ]; then set -v -x; DEBIAN_SCRIPT_TRACE=1; fi
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${DEBIAN_SCRIPT_TRACE:+ echo "#42#DEBUG# RUNNING $0 $*" 1>&2 }
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MYADMIN="/usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf"
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# Try to stop the server in a sane way. If it does not success let the admin
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# do it himself. No database directories should be removed while the server
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# is running! Another mariadbd in e.g. a different chroot is fine for us.
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stop_server() {
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# Return immediately if there are no mysql processes running
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# as there is no point in trying to shutdown in that case.
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if ! pgrep -x mariadbd > /dev/null; then return; fi
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# Compatibility with versions that ran 'mysqld'
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if ! pgrep -x mysqld > /dev/null; then return; fi
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set +e
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invoke-rc.d mariadb stop
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invoke-rc.d mysql stop # Backwards compatibility
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errno=$?
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set -e
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# systemctl could emit exit code 100=no init script (fresh install)
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if [ "$errno" != 0 -a "$errno" != 100 ]; then
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echo "Attempt to stop MariaDB/MySQL server returned exitcode $errno" 1>&2
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echo "There is a MariaDB/MySQL server running, but we failed in our attempts to stop it." 1>&2
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echo "Stop it yourself and try again!" 1>&2
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db_stop
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exit 1
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fi
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}
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case "$1" in
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purge|remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
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if [ -n "`$MYADMIN ping 2>/dev/null`" ]; then
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stop_server
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sleep 2
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fi
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;;
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*)
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echo "postrm called with unknown argument '$1'" 1>&2
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exit 1
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;;
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esac
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#
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# - Purge logs and data only if they are ours (#307473)
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# - Remove the mysql user only after all his owned files are purged.
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# - Cleanup the initscripts only if this was the last provider of them
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#
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if [ "$1" = "purge" ] && [ -f "/var/lib/mysql/debian-$MAJOR_VER.flag" ]; then
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# we remove the mysql user only after all his owned files are purged
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rm -f /var/log/mysql.{log,err}{,.0,.[1234567].gz}
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rm -rf /var/log/mysql
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db_input high "mariadb-server-$MAJOR_VER/postrm_remove_databases" || true
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db_go || true
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db_get "mariadb-server-$MAJOR_VER/postrm_remove_databases" || true
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if [ "$RET" = "true" ]; then
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# never remove the debian.cnf when the databases are still existing
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# else we ran into big trouble on the next install!
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rm -f /etc/mysql/debian.cnf
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# Remove all contents from /var/lib/mysql except if it's a
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# directory with file system data. See #829491 for details and
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# #608938 for potential mysql-server leftovers which erroneously
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# had been renamed.
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# Attempt removal only if the directory hasn't already been removed
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# by dpkg to avoid failing on "No such file or directory" errors.
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if [ -d /var/lib/mysql ]
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then
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find /var/lib/mysql -mindepth 1 \
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-not -path '*/lost+found/*' -not -name 'lost+found' \
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-not -path '*/lost@002bfound/*' -not -name 'lost@002bfound' \
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-delete
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# "|| true" still needed as rmdir still exits with non-zero if
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# /var/lib/mysql is a mount point
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rmdir --ignore-fail-on-non-empty /var/lib/mysql || true
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fi
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rm -rf /run/mysqld # this directory is created by the init script, don't leave behind
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userdel mysql || true
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fi
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fi
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#DEBHELPER#
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# Modified dh_systemd_start snippet that's not added automatically
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if [ -d /run/systemd/system ]; then
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systemctl --system daemon-reload >/dev/null || true
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fi
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