140 lines
4.4 KiB
Bash
Executable File
140 lines
4.4 KiB
Bash
Executable File
#!/bin/bash
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set -e
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# shellcheck source=/dev/null
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. /usr/share/debconf/confmodule
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if [ -n "$DEBIAN_SCRIPT_DEBUG" ]
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then
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set -v -x
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DEBIAN_SCRIPT_TRACE=1
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fi
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${DEBIAN_SCRIPT_TRACE:+ echo "#42#DEBUG# RUNNING $0 $*" 1>&2 }
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MYADMIN="/usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf"
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MARIADBD_USERS="root"
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# Check if user 'mysql' exists before referring to it in pgrep
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# to avoid pgrep erroring on 'invalid user name'
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if id mysql > /dev/null 2>&1
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then
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MARIADBD_USERS="$MARIADBD_USERS,mysql"
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fi
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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 mysqld 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 -u "$MARIADBD_USERS" --nslist pid --ns $$ "mysqld|mariadbd" > /dev/null
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then
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return
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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 ] && [ "$errno" != 100 ]
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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 "Check if there is any server running with 'pgrep \"mysqld|mariadbd\"' and" 1>&2
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echo "try to stop it yourself by issuing 'invoke-rc.d mariadb stop'." 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)" ]
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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 [ "$1" = "purge" ] && [ -f "/var/lib/mysql/debian-10.11.flag" ]
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then
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# we remove the mysql user only after all his owned files are purged
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rm -f /var/log/mysql.{log,err}{,.0,.[1234567].gz}
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rm -rf /var/log/mysql
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db_input high "mariadb-server/postrm_remove_databases" || true
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db_go || true
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db_get "mariadb-server/postrm_remove_databases" || true
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if [ "$RET" = "true" ]
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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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# Automatically added by dh_installinit/13.14.1ubuntu5
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if [ "$1" = "remove" ] && [ -x "/etc/init.d/mariadb" ] ; then
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chmod -x "/etc/init.d/mariadb" >/dev/null || true
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fi
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if [ -z "${DPKG_ROOT:-}" ] && [ "$1" = "purge" ] ; then
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update-rc.d mariadb remove >/dev/null
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fi
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# End automatically added section
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# Automatically added by dh_installsystemd/13.14.1ubuntu5
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if [ "$1" = remove ] && [ -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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# End automatically added section
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# Automatically added by dh_installsystemd/13.14.1ubuntu5
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if [ "$1" = "purge" ]; then
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if [ -x "/usr/bin/deb-systemd-helper" ]; then
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deb-systemd-helper purge 'mariadb.service' >/dev/null || true
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fi
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fi
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# End automatically added section
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# Automatically added by dh_installdebconf/13.14.1ubuntu5
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if [ "$1" = purge ] && [ -e /usr/share/debconf/confmodule ]; then
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. /usr/share/debconf/confmodule
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db_purge
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fi
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# End automatically added section
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