138 lines
5.0 KiB
Bash
138 lines
5.0 KiB
Bash
#!/bin/sh
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# This script creates the mysql data directory during first service start.
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# In subsequent starts, it does nothing much.
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source "`dirname ${BASH_SOURCE[0]}`/mysql-scripts-common"
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export LC_ALL=C
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# Returns content of the specified directory
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# If listing files fails, fake-file is returned so which means
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# we'll behave like there was some data initialized
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# Some files or directories are fine to be there, so those are
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# explicitly removed from the listing
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# @param <dir> datadir
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list_datadir ()
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{
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( ls -1A "$1" 2>/dev/null || echo "fake-file" ) | grep -v \
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-e '^lost+found$' \
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-e '\.err$' \
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-e '^.bash_history$'
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}
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# Checks whether datadir should be initialized
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# @param <dir> datadir
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should_initialize ()
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{
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test -z "$(list_datadir "$1")"
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}
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# If two args given first is user, second is group
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# otherwise the arg is the systemd service file
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if [ "$#" -eq 2 ]
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then
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myuser="$1"
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mygroup="$2"
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else
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# Absorb configuration settings from the specified systemd service file,
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# or the default service if not specified
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SERVICE_NAME="$1"
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if [ x"$SERVICE_NAME" = x ]
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then
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SERVICE_NAME=@DAEMON_NAME@.service
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fi
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myuser=`systemctl show -p User "${SERVICE_NAME}" |
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sed 's/^User=//'`
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if [ x"$myuser" = x ]
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then
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myuser=mysql
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fi
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mygroup=`systemctl show -p Group "${SERVICE_NAME}" |
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sed 's/^Group=//'`
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if [ x"$mygroup" = x ]
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then
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mygroup=mysql
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fi
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fi
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# Set up the errlogfile with appropriate permissions
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if [ ! -e "$errlogfile" -a ! -h "$errlogfile" -a x$(dirname "$errlogfile") = "x/var/log" ]; then
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case $(basename "$errlogfile") in
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mysql*.log|mariadb*.log) install /dev/null -m0640 -o$myuser -g$mygroup "$errlogfile" ;;
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*) ;;
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esac
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else
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# Provide some advice if the log file cannot be created by this script
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errlogdir=$(dirname "$errlogfile")
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if ! [ -d "$errlogdir" ] ; then
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echo "The directory $errlogdir does not exist." >&2
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exit 1
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elif [ -e "$errlogfile" -a ! -w "$errlogfile" ] ; then
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echo "The log file $errlogfile cannot be written, please, fix its permissions." >&2
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echo "The daemon will be run under $myuser:$mygroup" >&2
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exit 1
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fi
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fi
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# Make the data directory if doesn't exist or empty
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if should_initialize "$datadir" ; then
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# First, make sure $datadir is there with correct permissions
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# (note: if it's not, and we're not root, this'll fail ...)
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if [ ! -e "$datadir" -a ! -h "$datadir" ]
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then
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mkdir -p "$datadir" || exit 1
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fi
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chown "$myuser:$mygroup" "$datadir"
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chmod 0755 "$datadir"
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[ -x /sbin/restorecon ] && /sbin/restorecon "$datadir"
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# Now create the database
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echo "Initializing @NICE_PROJECT_NAME@ database" >&2
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# Avoiding deletion of files not created by mysql_install_db is
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# guarded by time check and sleep should help work-arounded
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# potential issues on systems with 1 second resolution timestamps
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# https://bugzilla.redhat.com/show_bug.cgi?id=1335849#c19
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INITDB_TIMESTAMP=`LANG=C date -u`
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sleep 1
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@bindir@/mysql_install_db --rpm --datadir="$datadir" --user="$myuser" >&2
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ret=$?
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if [ $ret -ne 0 ] ; then
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echo "Initialization of @NICE_PROJECT_NAME@ database failed." >&2
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echo "Perhaps @sysconfdir@/my.cnf is misconfigured or there is some problem with permissions of $datadir." >&2
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# Clean up any partially-created database files
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if [ ! -e "$datadir/mysql/user.frm" ] && [ -d "$datadir" ] ; then
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echo "Initialization of @NICE_PROJECT_NAME@ database was not finished successfully." >&2
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echo "Files created so far will be removed." >&2
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find "$datadir" -mindepth 1 -maxdepth 1 -newermt "$INITDB_TIMESTAMP" \
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-not -name "lost+found" -exec rm -rf {} +
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if [ $? -ne 0 ] ; then
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echo "Removing of created files was not successfull." >&2
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echo "Please, clean directory $datadir manually." >&2
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fi
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else
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echo "However, part of data has been initialized and those will not be removed." >&2
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echo "Please, clean directory $datadir manually." >&2
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fi
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exit $ret
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fi
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# upgrade does not need to be run on a fresh datadir
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echo "@VERSION@-MariaDB" >"$datadir/mysql_upgrade_info"
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else
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if [ -d "$datadir/mysql/" ] ; then
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# mysql dir exists, it seems data are initialized properly
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echo "Database @NICE_PROJECT_NAME@ is probably initialized in $datadir already, nothing is done."
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echo "If this is not the case, make sure the $datadir is empty before running `basename $0`."
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else
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# if the directory is not empty but mysql/ directory is missing, then
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# print error and let user to initialize manually or empty the directory
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echo "Database @NICE_PROJECT_NAME@ is not initialized, but the directory $datadir is not empty, so initialization cannot be done." >&2
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echo "Make sure the $datadir is empty before running `basename $0`." >&2
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exit 1
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fi
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fi
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exit 0
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