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#!/bin/bash
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# This function returns all config files that daemon uses and their path
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# includes /opt. It is used to get correct path to the config file.
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mysql_get_config_files_scl() {
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scl enable ${ENABLED_COLLECTIONS} -- my_print_defaults --help --verbose | \
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grep --after=1 '^Default options' | \
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tail -n 1 | \
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grep -o '[^ ]*opt[^ ]*my.cnf'
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}
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# This function picks the main config file that deamon uses and we ship in rpm
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mysql_get_correct_config() {
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# we use the same config in non-SCL packages, not necessary to guess
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[ -z "${ENABLED_COLLECTIONS}" ] && echo -n "/etc/my.cnf" && return
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# from all config files read by daemon, pick the first that exists
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for f in `mysql_get_config_files_scl` ; do
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[ -f "$f" ] && echo "$f"
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done | head -n 1
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}
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export MYSQL_CONFIG_FILE=$(mysql_get_correct_config)
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[ -z "$MYSQL_CONFIG_FILE" ] && echo "MYSQL_CONFIG_FILE is empty" && exit 1
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unset -f mysql_get_correct_config mysql_get_config_files_scl
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# we provide own config files for the container, so clean what rpm ships here
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mkdir -p ${MYSQL_CONFIG_FILE}.d
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rm -f ${MYSQL_CONFIG_FILE}.d/*
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# we may add options during service init, so we need to have this dir writable by daemon user
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chown -R mysql:0 ${MYSQL_CONFIG_FILE}.d ${MYSQL_CONFIG_FILE}
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restorecon -R ${MYSQL_CONFIG_FILE}.d ${MYSQL_CONFIG_FILE}
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# API of the container are standard paths /etc/my.cnf and /etc/my.cnf.d
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# we already include own /etc/my.cnf for container, but for cases the
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# actually used config file is not on standard path /etc/my.cnf, we
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# need to move it to the location daemon expects it and create symlinks
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if [ "$MYSQL_CONFIG_FILE" != "/etc/my.cnf" ] ; then
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rm -rf /etc/my.cnf.d
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mv /etc/my.cnf ${MYSQL_CONFIG_FILE}
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ln -s ${MYSQL_CONFIG_FILE} /etc/my.cnf
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ln -s ${MYSQL_CONFIG_FILE}.d /etc/my.cnf.d
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fi
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# setup directory for data
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mkdir -p /var/lib/mysql/data
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chown -R mysql:0 /var/lib/mysql
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restorecon -R /var/lib/mysql
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# Loosen permission bits for group to avoid problems running container with
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# arbitrary UID
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# When only specifying user, group is 0, that's why /var/lib/mysql must have
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# owner mysql.0; that allows to avoid a+rwx for this dir
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chmod g+w -R /var/lib/mysql ${MYSQL_CONFIG_FILE}.d
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