From e59da5beb32c92e98cae8ac8fab92c89cc6c45b5 Mon Sep 17 00:00:00 2001
From: Donald Buczek <buczek@molgen.mpg.de>
Date: Fri, 7 Oct 2016 13:39:47 +0200
Subject: [PATCH] docker: add systemd service file

Some options of docker.service are commented out, because they currently
don't work on our system (to old systemd).

We want to start docker only on demand.
---
 docker.be0 | 35 ++++++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/docker.be0 b/docker.be0
index 584e9c064..3a5f90c65 100755
--- a/docker.be0
+++ b/docker.be0
@@ -1,6 +1,6 @@
 #!/usr/bin/env beesh
 
-# BEE_VERSION docker-1.12.1-0.bee
+# BEE_VERSION docker-1.12.1-1.bee
 
 # NOTE: We require a running docker environment. For the first bootstrap
 # this can be provided by the package docker_binary
@@ -69,6 +69,7 @@ mee_build() {
 mee_install() {
     install --directory $D$BINDIR
     install --directory $D$SYSCONFDIR/default
+    install --directory $D$SYSCONFDIR/systemd/system
 
     V=$PKGVERSION
 
@@ -90,6 +91,38 @@ mee_install() {
     cat >$D$SYSCONFDIR/default/docker <<-'__EOF__'
 	DOCKER_OPTS="--storage-driver=overlay2"
 	__EOF__
+
+    cat >$D$SYSCONFDIR/systemd/system/docker.service <<-'__EOF__'
+	[Unit]
+	Description=Docker Application Container Engine
+	#Documentation=https://docs.docker.com
+	After=network.target
+
+	[Service]
+	Type=notify
+	# the default is not to use systemd for cgroups because the delegate issues still
+	# exists and systemd currently does not support the cgroup feature set required
+	# for containers run by docker
+	ExecStart=/usr/bin/dockerd
+	ExecReload=/bin/kill -s HUP $MAINPID
+	# Having non-zero Limit*s causes performance problems due to accounting overhead
+	# in the kernel. We recommend using cgroups to do container-local accounting.
+	#LimitNOFILE=infinity
+	#LimitNPROC=infinity
+	#LimitCORE=infinity
+	# Uncomment TasksMax if your systemd version supports it.
+	# Only systemd 226 and above support this version.
+	#TasksMax=infinity
+	#TimeoutStartSec=0
+	# set delegate yes so that systemd does not reset the cgroups of docker containers
+	#Delegate=yes
+	# kill only the docker process, not all processes in the cgroup
+	KillMode=process
+	StandardOutput=syslog
+
+	[Install]
+	#WantedBy=multi-user.target
+	__EOF__
 }
 
 ## by default this may be 'make install DESTDIR="${D}"'