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164 lines
4.9 KiB
164 lines
4.9 KiB
#!/sbin/openrc-run
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# Copyright 1999-2019 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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depend() {
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use net.lo
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# localmount needed for $basedir
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need localmount s6-svscan
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}
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get_config() {
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my_print_defaults --defaults-file="$1" mysqld server mariadb |
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sed -n -e "s/^--$2=//p"
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}
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mysql_svcname() {
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local ebextra=
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case "${svc_name}" in
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mysql*) ;;
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*) ebextra=" (mysql)" ;;
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esac
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echo "${svc_name}${ebextra}"
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}
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stringContain() { [ -z "${2##*$1*}" ] && [ -z "$1" -o -n "$2" ]; }
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bootstrap_galera() {
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MY_ARGS="--wsrep-new-cluster ${MY_ARGS}"
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mark_service_starting
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if start_pre && start ; then
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mark_service_started
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return 0
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else
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mark_service_stopped
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return 1
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fi
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}
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extra_commands="checkconfig"
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extra_stopped_commands="bootstrap_galera"
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description_checkconfig="Verify the server's configuration"
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description_boostrap_galera="Start a new Galera cluster with this server as the initial node"
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supervisor=s6
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name=$(mysql_svcname)
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s6_service_timeout_stop="$((1000*${STOP_TIMEOUT:-120}))"
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#s6_svwait_options_start="-U -t $((1000*${STARTUP_EARLY_TIMEOUT:-1000}))"
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svc_name=${RC_SVCNAME%-s6}
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s6_service_path=/var/svc.d/${svc_name}
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start_pre() {
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# Check the config or die
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if [ ${RC_CMD} != "restart" ] ; then
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checkconfig || return 1
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fi
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MY_CNF="${MY_CNF:-/etc/${svc_name}/my.cnf}"
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if [ ! -r "${MY_CNF}" ] ; then
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eerror "Cannot read the configuration file \`${MY_CNF}'"
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return 1
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fi
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# tail -n1 is critical as these we only want the last instance of the option
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local basedir=$(get_config "${MY_CNF}" basedir | tail -n1)
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local pidfile=$(get_config "${MY_CNF}" 'pid[_-]file' | tail -n1)
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local socket=$(get_config "${MY_CNF}" socket | tail -n1)
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local chroot=$(get_config "${MY_CNF}" chroot | tail -n1)
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local wsrep="$(get_config "${MY_CNF}" 'wsrep[_-]on' | tail -n1 | awk '{print tolower($0)}')"
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local wsrep_new=$(get_config "${MY_CNF}" 'wsrep-new-cluster' | tail -n1)
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if [ -n "${chroot}" ] ; then
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socket="${chroot}/${socket}"
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pidfile="${chroot}/${pidfile}"
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fi
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# Galera: Only check datadir if not starting a new cluster and galera is enabled
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# wsrep_on is not on or wsrep-new-cluster exists in the config or MY_ARGS
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[ "${wsrep}" = "1" ] && wsrep="on"
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if [ "${wsrep}" != "on" ] || [ -n "${wsrep_new}" ] || stringContain 'wsrep-new-cluster' "${MY_ARGS}" ; then
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local datadir=$(get_config "${MY_CNF}" datadir | tail -n1)
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if [ ! -d "${datadir}" ] ; then
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eerror "MySQL datadir \`${datadir}' is empty or invalid"
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eerror "Please check your config file \`${MY_CNF}'"
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return 1
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fi
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if [ ! -d "${datadir}"/mysql ] ; then
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# find which package is installed to report an error
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local EROOT=$(portageq envvar EROOT)
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local DBPKG_P=$(portageq match ${EROOT} $(portageq expand_virtual ${EROOT} virtual/mysql | head -n1))
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if [ -z ${DBPKG_P} ] ; then
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eerror "You don't appear to have a server package installed yet."
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else
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eerror "You don't appear to have the mysql database installed yet."
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eerror "Please run \`emerge --config =${DBPKG_P}\` to have this done..."
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fi
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return 1
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fi
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fi
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local piddir="${pidfile%/*}"
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checkpath -d --owner mysql:mysql --mode 0755 "$piddir"
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rc=$?
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if [ $rc -ne 0 ]; then
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eerror "Directory $piddir for pidfile does not exist and cannot be created"
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return 1
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fi
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# Prepare env files to source
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mkdir -p "/var/svc.d/${svc_name}"
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echo "MY_CNF=\"${MY_CNF}\"" > "/var/svc.d/${svc_name}/env"
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echo "MY_ARGS=\"${MY_ARGS}\"" >> "/var/svc.d/${svc_name}/env"
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echo "basedir=\"${basedir}\"" >> "/var/svc.d/${svc_name}/env"
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mkdir -p "/var/svc.d/${svc_name}/log"
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echo "SVCNAME=\"${svc_name}\"" > "/var/svc.d/${svc_name}/log/env"
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echo "S6_LOG_OPTIONS=\"${S6_LOG_OPTIONS}\"" > "/var/svc.d/${svc_name}/log/env"
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}
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start_post() {
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local socket=$(get_config "${MY_CNF}" socket | tail -n1)
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local chroot=$(get_config "${MY_CNF}" chroot | tail -n1)
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local startup_timeout=${STARTUP_TIMEOUT:-900}
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if [ -n "${chroot}" ] ; then
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socket="${chroot}/${socket}"
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fi
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ewaitfile ${startup_timeout} "${socket}"
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}
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checkconfig() {
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local my_cnf="${MY_CNF:-/etc/${svc_name}/my.cnf}"
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local basedir=$(get_config "${my_cnf}" basedir | tail -n1)
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local svc_name=$(mysql_svcname)
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ebegin "Checking mysqld configuration for ${svc_name}"
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if [ ${RC_CMD} = "checkconfig" ] ; then
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# We are calling checkconfig specifically. Print warnings regardless.
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"${basedir}"/sbin/mysqld --defaults-file="${my_cnf}" --help --verbose > /dev/null
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else
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# Suppress output to check the return value
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"${basedir}"/sbin/mysqld --defaults-file="${my_cnf}" --help --verbose > /dev/null 2>&1
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# If the above command does not return 0,
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# then there is an error to echo to the user
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if [ $? -ne 0 ] ; then
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"${basedir}"/sbin/mysqld --defaults-file="${my_cnf}" --help --verbose > /dev/null
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fi
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fi
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eend $? "${svc_name} config check failed"
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}
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stop_pre() {
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if [ ${RC_CMD} = "restart" ] ; then
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checkconfig || return 1
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fi
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}
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# vim: filetype=gentoo-init-d sw=2 ts=2 sts=2 noet:
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