MINOR: systemd: Use variable for config and pidfile paths

Users can set the location of haproxy.cfg and pidfile files by providing
a systemd overwrite file /etc/systemd/system/haproxy.service.d/overwrite.conf
with the following content:

    [Service]
    Environment=CONFIG=/etc/foobar/haproxy.cfg

diff --git a/contrib/systemd/haproxy.service.in b/contrib/systemd/haproxy.service.in
index 85937e41e06379d2bb374dd83b06a128d1156573..5f6c7d97612cfc9e5ffa9e3155ec9345d94b16f1 100644 (file)
--- a/contrib/systemd/haproxy.service.in
+++ b/contrib/systemd/haproxy.service.in
@@ -3,8 +3,9 @@ Description=HAProxy Load Balancer
 After=network.target
 
 [Service]
-ExecStartPre=@SBINDIR@/haproxy -f /etc/haproxy/haproxy.cfg -c -q
-ExecStart=@SBINDIR@/haproxy-systemd-wrapper -f /etc/haproxy/haproxy.cfg -p /run/haproxy.pid
+Environment="CONFIG=/etc/haproxy/haproxy.cfg" "PIDFILE=/run/haproxy.pid"
+ExecStartPre=@SBINDIR@/haproxy -f $CONFIG -c -q
+ExecStart=@SBINDIR@/haproxy-systemd-wrapper -f $CONFIG -p $PIDFILE
 ExecReload=/bin/kill -USR2 $MAINPID
 KillMode=mixed
 Restart=always