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#!/sbin/openrc-run
# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
extra_commands="checkconfig"
extra_stopped_commands="boostrap_galera"
description_checkconfig="Verify the server's configuration"
description_boostrap_galera="Start a new Galera cluster with this server as the initial node"
depend() {
use net.lo
# localmount needed for $basedir
need localmount
}
get_config() {
my_print_defaults --defaults-file="$1" mysqld server mariadb |
sed -n -e "s/^--$2=//p"
}
mysql_svcname() {
local ebextra=
case "${SVCNAME}" in
mysql*) ;;
*) ebextra=" (mysql)" ;;
esac
echo "${SVCNAME}${ebextra}"
}
stringContain() { [ -z "${2##*$1*}" ] && [ -z "$1" -o -n "$2" ]; }
bootstrap_galera() {
MY_ARGS="--wsrep-new-cluster ${MY_ARGS}"
mark_service_starting
if start ; then
mark_service_started
return 0
else
mark_service_stopped
return 1
fi
}
start() {
# Check for old conf.d variables that mean migration was not yet done.
set | egrep -sq '^(mysql_slot_|MYSQL_BLOG_PID_FILE|STOPTIMEOUT)'
rc=$?
# Yes, MYSQL_INIT_I_KNOW_WHAT_I_AM_DOING is a hidden variable.
# It does have a use in testing, as it is possible to build a config file
# that works with both the old and new init scripts simulateously.
if [ "${rc}" = 0 -a -z "${MYSQL_INIT_I_KNOW_WHAT_I_AM_DOING}" ]; then
eerror "You have not updated your conf.d for the new mysql-init-scripts-2 revamp."
eerror "Not proceeding because it may be dangerous."
return 1
fi
# Check the config or die
if [ ${RC_CMD} != "restart" ] ; then
checkconfig || return 1
fi
# Now we can startup
ebegin "Starting $(mysql_svcname)"
MY_CNF="${MY_CNF:-/etc/${SVCNAME}/my.cnf}"
if [ ! -r "${MY_CNF}" ] ; then
eerror "Cannot read the configuration file \`${MY_CNF}'"
return 1
fi
# tail -n1 is critical as these we only want the last instance of the option
local basedir=$(get_config "${MY_CNF}" basedir | tail -n1)
local pidfile=$(get_config "${MY_CNF}" 'pid[_-]file' | tail -n1)
local socket=$(get_config "${MY_CNF}" socket | tail -n1)
local chroot=$(get_config "${MY_CNF}" chroot | tail -n1)
local wsrep="$(get_config "${MY_CNF}" 'wsrep[_-]on' | tail -n1 | awk '{print tolower($0)}')"
local wsrep_new=$(get_config "${MY_CNF}" 'wsrep-new-cluster' | tail -n1)
if [ -n "${chroot}" ] ; then
socket="${chroot}/${socket}"
pidfile="${chroot}/${pidfile}"
fi
# Galera: Only check datadir if not starting a new cluster and galera is enabled
# wsrep_on is not on or wsrep-new-cluster exists in the config or MY_ARGS
[ "${wsrep}" = "1" ] && wsrep="on"
if [ "${wsrep}" != "on" ] || [ -n "${wsrep_new}" ] || stringContain 'wsrep-new-cluster' "${MY_ARGS}" ; then
local datadir=$(get_config "${MY_CNF}" datadir | tail -n1)
if [ ! -d "${datadir}" ] ; then
eerror "MySQL datadir \`${datadir}' is empty or invalid"
eerror "Please check your config file \`${MY_CNF}'"
return 1
fi
if [ ! -d "${datadir}"/mysql ] ; then
# find which package is installed to report an error
local EROOT=$(portageq envvar EROOT)
local DBPKG_P=$(portageq match ${EROOT} $(portageq expand_virtual ${EROOT} virtual/mysql | head -n1))
if [ -z ${DBPKG_P} ] ; then
eerror "You don't appear to have a server package installed yet."
else
eerror "You don't appear to have the mysql database installed yet."
eerror "Please run \`emerge --config =${DBPKG_P}\` to have this done..."
fi
return 1
fi
fi
local piddir="${pidfile%/*}"
checkpath -d --owner mysql:mysql --mode 0755 "$piddir"
rc=$?
if [ $rc -ne 0 ]; then
eerror "Directory $piddir for pidfile does not exist and cannot be created"
return 1
fi
local startup_timeout=${STARTUP_TIMEOUT:-900}
# local startup_early_timeout=${STARTUP_EARLY_TIMEOUT:-1000}
local tmpnice="${NICE:+"--nicelevel "}${NICE}"
local tmpionice="${IONICE:+"--ionice "}${IONICE}"
supervise-daemon "${SVCNAME}" \
${DEBUG:+"--verbose"} \
--pidfile "/run/${SVCNAME}.pid" \
${tmpnice} \
${tmpionice} \
--start \
"${basedir}"/sbin/mysqld \
-- --defaults-file="${MY_CNF}" ${MY_ARGS}
local ret=$?
if [ ${ret} -ne 0 ] ; then
eend ${ret}
return ${ret}
fi
ewaitfile ${startup_timeout} "${socket}"
eend $? || return 1
}
stop() {
if [ ${RC_CMD} = "restart" ] ; then
checkconfig || return 1
fi
ebegin "Stopping $(mysql_svcname)"
supervise-daemon "${SVCNAME}" \
${DEBUG:+"--verbose"} \
--stop \
--pidfile "/run/${SVCNAME}.pid"
eend $?
}
checkconfig() {
local my_cnf="${MY_CNF:-/etc/${SVCNAME}/my.cnf}"
local basedir=$(get_config "${my_cnf}" basedir | tail -n1)
local svc_name=$(mysql_svcname)
ebegin "Checking mysqld configuration for ${svc_name}"
if [ ${RC_CMD} = "checkconfig" ] ; then
# We are calling checkconfig specifically. Print warnings regardless.
"${basedir}"/sbin/mysqld --defaults-file="${my_cnf}" --help --verbose > /dev/null
else
# Suppress output to check the return value
"${basedir}"/sbin/mysqld --defaults-file="${my_cnf}" --help --verbose > /dev/null 2>&1
# If the above command does not return 0,
# then there is an error to echo to the user
if [ $? -ne 0 ] ; then
"${basedir}"/sbin/mysqld --defaults-file="${my_cnf}" --help --verbose > /dev/null
fi
fi
eend $? "${svc_name} config check failed"
}
# vim: filetype=gentoo-init-d sw=2 ts=2 sts=2 noet:
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