diff options
Diffstat (limited to 'dev-db/mysql-init-scripts/files/init.d-2.3')
| -rw-r--r-- | dev-db/mysql-init-scripts/files/init.d-2.3 | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/dev-db/mysql-init-scripts/files/init.d-2.3 b/dev-db/mysql-init-scripts/files/init.d-2.3 new file mode 100644 index 000000000000..f587e26f7322 --- /dev/null +++ b/dev-db/mysql-init-scripts/files/init.d-2.3 @@ -0,0 +1,194 @@ +#!/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="bootstrap_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 + # This service has its own timeout and may need to wait for repairs + # or remote synchronization + keyword -timeout +} + +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}" + start-stop-daemon \ + ${DEBUG:+"--verbose"} \ + --start \ + --exec "${basedir}"/sbin/mysqld \ + --pidfile "${pidfile}" \ + --background \ + --wait ${startup_early_timeout} \ + ${tmpnice} \ + ${tmpionice} \ + -- --defaults-file="${MY_CNF}" ${MY_ARGS} + local ret=$? + if [ ${ret} -ne 0 ] ; then + eend ${ret} + return ${ret} + fi + + ewaitfile ${startup_timeout} "${socket}" + eend $? || return 1 + + save_options pidfile "${pidfile}" + save_options basedir "${basedir}" +} + +stop() { + if [ ${RC_CMD} = "restart" ] ; then + checkconfig || return 1 + fi + + ebegin "Stopping $(mysql_svcname)" + + local pidfile="$(get_options pidfile)" + local basedir="$(get_options basedir)" + local stop_timeout=${STOP_TIMEOUT:-120} + + start-stop-daemon \ + ${DEBUG:+"--verbose"} \ + --stop \ + --exec "${basedir}"/sbin/mysqld \ + --pidfile "${pidfile}" \ + --retry ${stop_timeout} + 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: + |