reproducible debian: build service exist the whole service when the lockfile...

reproducible debian: build service exist the whole service when the lockfile appears, not just the workers

Signed-off-by: Mattia Rizzolo <mattia@debian.org>

bin/reproducible_build_service.sh

@@ -232,10 +232,29 @@ startup_workers() {
 	done
 }
 
+
+check_lock() {
+	LOCKFILE="/var/lib/jenkins/NO-RB-BUILDERS-PLEASE"
+	if [ -f "$LOCKFILE" ]; then
+		echo "The lockfile $LOCKFILE is present, exiting the service..."
+		while : ; do
+			children="$(pgre --list-full --parent $$)"
+			if [ -n "$children" ]; then
+				echo "There are still some child processes, waiting for them:"
+				echo "$children"
+				sleep 15m
+			else
+				exit 9
+			fi
+		done
+	fi
+}
+
 #
 # main, keep running forever…
 #
 while true ; do
+	check_lock
 	#
 	# this is all we do
 	#

hosts/jenkins/etc/systemd/system/reproducible_build@.service

@@ -5,6 +5,8 @@ ConditionPathExists=!/var/lib/jenkins/NO-RB-BUILDERS-PLEASE
 [Service]
 # Restart whenever the script exits, without rate limiting:
 Restart=always
+# special code from _build_service for when NO-RB-BUILDERS-PLEASE exists, to properly quit
+RestartPreventExitStatus=9
 StartLimitInterval=0
 User=jenkins
 Group=jenkins