* debian/patches/startup_scripts.patch: Add patroni service template

patroni@.service.
  * debian/patroni.install: Install it.

debian/changelog

@@ -1,6 +1,9 @@
 patroni (1.5.0-9) UNRELEASED; urgency=medium
 
-  * 
+  [ Michael Banck ]
+  * debian/patches/startup_scripts.patch: Add patroni service template
+    patroni@.service.
+  * debian/patroni.install: Install it.
 
  -- Debian PostgreSQL Maintainers <team+postgresql@tracker.debian.org>  Sat, 06 Oct 2018 11:57:54 +0200
 

debian/patches/startup_scripts.patch

@@ -62,3 +62,46 @@ Index: patroni/extras/startup-scripts/patroni.service
  
  # Send HUP to reload from patroni.yml
  ExecReload=/bin/kill -s HUP $MAINPID
+--- /dev/null	2018-10-10 13:20:47.405927503 +0200
++++ ./extras/startup-scripts/patroni@.service	2018-10-22 18:30:47.699456103 +0200
+@@ -0,0 +1,40 @@
++# systemd service template for patroni instances. The actual instances will
++# be called "patroni@version-cluster", e.g. "patroni@10-main". The
++# variable %i expands to "version-cluster", %I expands to "version/cluster".
++# (%I breaks for cluster names containing dashes.)
++[Unit]
++Description=Patroni instance %i
++After=network.target
++ConditionPathExists=/etc/patroni/%i.yml
++
++[Service]
++Type=simple
++
++User=postgres
++Group=postgres
++
++# Read in configuration file if it exists, otherwise proceed
++EnvironmentFile=-/etc/patroni_env.conf
++
++WorkingDirectory=~
++
++ExecStart=/usr/bin/patroni /etc/patroni/%i.yml
++
++# Send HUP to reload from patroni.yml
++ExecReload=/bin/kill -s HUP $MAINPID
++
++# only kill the patroni process, not it's children, so it will gracefully stop postgres
++KillMode=process
++
++# Give a reasonable amount of time for the server to start up/shut down
++TimeoutSec=30
++
++# Do not restart the service if it crashes, we want to manually inspect database on failure
++Restart=no
++
++# Uncomment in order to get debugging output
++#Environment=PATRONI_LOGLEVEL=DEBUG
++
++[Install]
++WantedBy=multi-user.target
++

debian/patroni.install

@@ -1,2 +1,3 @@
 extras/startup-scripts/patroni etc/init.d
 extras/startup-scripts/patroni.service lib/systemd/system
+extras/startup-scripts/patroni@.service lib/systemd/system