Blame SOURCES/mysql-prepare-db-dir.sh

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#!/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 ${BASH_SOURCE[0]}`/mysql-scripts-common"
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# If two args given first is user, second is group
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# otherwise the arg is the systemd service file
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if [ "$#" -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 $errlogdir does not exist."
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        exit 1
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    elif [ -e "$errlogfile" -a ! -w "$errlogfile" ] ; then
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        echo "The log file $errlogfile cannot be written, please, fix its permissions."
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        echo "The daemon will be run under $myuser:$mygroup"
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        exit 1
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    fi
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fi
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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 "$1")"
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}
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# Make the data directory if doesn't exist or empty
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if should_initialize "$datadir" ; then
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    # Now create the database
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    echo "Initializing @NICE_PROJECT_NAME@ database"
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    su - $myuser -s /bin/bash -c "@bindir@/mysql_install_db --rpm --datadir='$datadir' --user='$myuser'"
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    ret=$?
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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." >&2
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        echo "Note, that you may need to clean up any partially-created database files in $datadir" >&2
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        exit $ret
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    fi
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    # mysql_install_db writes to log file but runs as unconfined process,
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    # so we need to fix log file context here
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    [ -x /sbin/restorecon -a -f "$errlogfile" ] && /sbin/restorecon "$errlogfile"
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    # upgrade does not need to be run on a fresh datadir
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    su - $myuser -s /bin/bash -c "echo '@VERSION@' > '$datadir/mysql_upgrade_info'"
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fi
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exit 0