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113 lines
3.5 KiB
113 lines
3.5 KiB
2 years ago
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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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#
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# This script is meant to be run as non-root user either during initscript
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# or systemd service execution, before starting the mysqld daemon.
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# Running it as root may have some security risks, because it touches files
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# that can be symlinks pointing to unexpected locations.
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#
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# On the other hand, when using non-standard locations for datadir and logfile,
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# this script might not be able to create the files and the daemon won't start
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# properly. A solution for that is to created the locations for datadir and
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# logfile with correct ownership before starting the daemon.
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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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@libexecdir@/mysqld --initialize-insecure --datadir="$datadir" --user="$myuser"
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ret=$?
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if [ $ret -ne 0 ] ; then
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echo "Initialization of @NICE_PROJECT_NAME@ database failed." >&2
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echo "Perhaps @sysconfdir@/my.cnf is misconfigured." >&2
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# Clean up any partially-created database files
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if [ ! -e "$datadir/mysql/user.frm" ] ; then
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rm -rf "$datadir"/*
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fi
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exit $ret
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fi
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# upgrade does not need to be run on a fresh datadir
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echo "@VERSION@" >"$datadir/mysql_upgrade_info"
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fi
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exit 0
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