Fix systemd integration

Bump DH compat to 10 to get systemd integration; patch patroni.service to start
only if /etc/patroni/config.yml exists; install service file directly from
extras/startup-scripts/ instead of via debian/.

debian/changelog

@@ -4,6 +4,8 @@ patroni (1.4.2-2) UNRELEASED; urgency=medium
   * debian/tests: Tidy /tmp/pgpass?.
   * debian/tests: Use zookeeperd when etcd-server is not available.
   * features/environment.py: Make "import consul" optional.
+  * Bump DH compat to 10 to get systemd integration; patch patroni.service to
+    start only if /etc/patroni/config.yml exists.
 
  -- Debian PostgreSQL Maintainers <pkg-postgresql-public@lists.alioth.debian.org>  Sat, 03 Feb 2018 14:09:20 +0100
 

debian/compat

@@ -1 +1 @@
-9
+10

debian/control

@@ -5,7 +5,7 @@ Maintainer: Debian PostgreSQL Maintainers <pkg-postgresql-public@lists.alioth.de
 Uploaders: Michael Banck <michael.banck@credativ.de>,
  Adrian Vondendriesch <adrian.vondendriesch@credativ.de>,
 Build-Depends:
- debhelper (>= 9),
+ debhelper (>= 10),
  dh-python,
  libjs-jquery,
  libjs-mathjax,

debian/patches/patroni_service.patch

@@ -0,0 +1,10 @@
+--- a/extras/startup-scripts/patroni.service
++++ b/extras/startup-scripts/patroni.service
+@@ -1,6 +1,7 @@
+ [Unit]
+ Description=Runners to orchestrate a high-availability PostgreSQL
+ After=network.target
++ConditionPathExists=/etc/patroni/config.yml
+ 
+ [Service]
+ Type=simple

debian/patches/series

@@ -3,3 +3,4 @@ startup_scripts.patch
 coverage_binary.patch
 relax_requirements.patch
 consul_import.patch
+patroni_service.patch

debian/patroni.install

@@ -1 +1 @@
-debian/patroni.service lib/systemd/system
+extras/startup-scripts/patroni.service lib/systemd/system

debian/rules

@@ -19,7 +19,6 @@ override_dh_auto_build:
 override_dh_auto_install:
 	dh_auto_install
 	cp extras/startup-scripts/patroni debian/patroni.init
-	cp extras/startup-scripts/patroni.service debian/
 
 override_dh_installdocs:
 	dh_installdocs