dev-db/mysql-init-scripts: Fix MariaDB-only option bug 626186, add supervisor script

Package-Manager: Portage-2.3.6, Repoman-2.3.3

4 files changed, 183 insertions, 2 deletions

diff --git a/dev-db/mysql-init-scripts/files/init.d-2.2 b/dev-db/mysql-init-scripts/files/init.d-2.2
index d217744de9c2..124d2e993eb1 100644
--- a/dev-db/mysql-init-scripts/files/init.d-2.2
+++ b/dev-db/mysql-init-scripts/files/init.d-2.2
@@ -15,7 +15,7 @@ depend() {
 }
 
 get_config() {
-	my_print_defaults --defaults-file="$1" --mysqld |
+	my_print_defaults --defaults-file="$1" mysqld server mariadb |
 	sed -n -e "s/^--$2=//p"
 }
 
diff --git a/dev-db/mysql-init-scripts/files/init.d-s6-2.2 b/dev-db/mysql-init-scripts/files/init.d-s6-2.2
index 427061aa9904..46980fab9c37 100644
--- a/dev-db/mysql-init-scripts/files/init.d-s6-2.2
+++ b/dev-db/mysql-init-scripts/files/init.d-s6-2.2
@@ -9,7 +9,7 @@ depend() {
 }
 
 get_config() {
-	my_print_defaults --defaults-file="$1" --mysqld |
+	my_print_defaults --defaults-file="$1" mysqld server mariadb |
 	sed -n -e "s/^--$2=//p"
 }
 
diff --git a/dev-db/mysql-init-scripts/files/init.d-supervise b/dev-db/mysql-init-scripts/files/init.d-supervise
new file mode 100644
index 000000000000..5341a6a18d64
--- /dev/null
+++ b/dev-db/mysql-init-scripts/files/init.d-supervise
@@ -0,0 +1,180 @@
+#!/sbin/openrc-run
+# Copyright 1999-2017 Gentoo Foundation
+# 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 \
+		${DEBUG:+"--verbose"} \
+		--pidfile "/run/${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 \
+		${DEBUG:+"--verbose"} \
+		--stop \
+		--pidfile "/run/${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:
+
diff --git a/dev-db/mysql-init-scripts/mysql-init-scripts-2.2.ebuild b/dev-db/mysql-init-scripts/mysql-init-scripts-2.2-r1.ebuild
index 13ebfb9e3791..75b8390652f6 100644
--- a/dev-db/mysql-init-scripts/mysql-init-scripts-2.2.ebuild
+++ b/dev-db/mysql-init-scripts/mysql-init-scripts-2.2-r1.ebuild
@@ -37,6 +37,7 @@ src_install() {
 	fi
 
 	newinitd "${FILESDIR}/init.d-2.2" "mysql"
+	newinitd "${FILESDIR}/init.d-supervise" "mysql-supervise"
 
 	# systemd unit installation
 	exeinto /usr/libexec