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#!/sbin/openrc-run
# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
depend() {
use net.lo
# localmount needed for $basedir
need localmount s6-svscan
}
get_config() {
my_print_defaults --defaults-file="$1" --mysqld |
sed -n -e "s/^--$2=//p"
}
mysql_svcname() {
local ebextra=
case "${svc_name}" in
mysql*) ;;
*) ebextra=" (mysql)" ;;
esac
echo "${svc_name}${ebextra}"
}
stringContain() { [ -z "${2##*$1*}" ] && [ -z "$1" -o -n "$2" ]; }
bootstrap_galera() {
if ! service_stopped ; then
eerror "The server cannot be running to perform this action"
return 1
fi
MY_ARGS="--wsrep-new-cluster ${MY_ARGS}"
mark_service_starting
if start ; then
mark_service_started
return 0
else
mark_service_stopped
return 1
fi
}
extra_commands="checkconfig boostrap_galera"
supervisor=s6
name=$(mysql_svcname)
s6_service_timeout_stop="$((1000*${STOP_TIMEOUT:-120}))"
#s6_svwait_options_start="-U -t $((1000*${STARTUP_EARLY_TIMEOUT:-1000}))"
svc_name=${RC_SVCNAME%-s6}
s6_service_path=/var/svc.d/${svc_name}
start_pre() {
# Check the config or die
if [ ${RC_CMD} != "restart" ] ; then
checkconfig || return 1
fi
MY_CNF="${MY_CNF:-/etc/${svc_name}/my.cnf}"
if [ ! -r "${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 $piddir for pidfile does not exist and cannot be created"
return 1
fi
# Prepare env files to source
mkdir -p "/var/svc.d/${svc_name}"
echo "MY_CNF=\"${MY_CNF}\"" > "/var/svc.d/${svc_name}/env"
echo "MY_ARGS=\"${MY_ARGS}\"" >> "/var/svc.d/${svc_name}/env"
echo "basedir=\"${basedir}\"" >> "/var/svc.d/${svc_name}/env"
mkdir -p "/var/svc.d/${svc_name}/log"
echo "SVCNAME=\"${svc_name}\"" > "/var/svc.d/${svc_name}/log/env"
echo "S6_LOG_OPTIONS=\"${S6_LOG_OPTIONS}\"" > "/var/svc.d/${svc_name}/log/env"
}
start_post() {
local socket=$(get_config "${MY_CNF}" socket | tail -n1)
local chroot=$(get_config "${MY_CNF}" chroot | tail -n1)
local startup_timeout=${STARTUP_TIMEOUT:-900}
if [ -n "${chroot}" ] ; then
socket="${chroot}/${socket}"
fi
ewaitfile ${startup_timeout} "${socket}"
}
checkconfig() {
local my_cnf="${MY_CNF:-/etc/${svc_name}/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"
}
stop_pre() {
if [ ${RC_CMD} = "restart" ] ; then
checkconfig || return 1
fi
}
# vim: filetype=gentoo-init-d sw=2 ts=2 sts=2 noet:
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