mirrorlist: adapt service file based on official recommendation

This changes the mirrorlist service file to conform to the
recommendations given in:

https://www.redhat.com/sysadmin/podman-shareable-systemd-services

Signed-off-by: Adrian Reber <adrian@lisas.de>

roles/mirrormanager/mirrorlist_proxy/templates/mirrorlist.service.j2

@@ -2,11 +2,14 @@
 Description=Mirrorlist Container {{ item }}
 
 [Service]
+Restart=on-failure
 User=mirrormanager
 ExecStartPre=-/usr/bin/podman stop -t 1 %n
 ExecStartPre=-/usr/bin/podman rm %n --force
+ExecStartPre=/usr/bin/rm -f /%t/%n-pid /%t/%n-cid
 ExecStart=/usr/bin/podman run \
-            --rm=true \
+            --conmon-pidfile /%t/%n-pid \
+            --cidfile /%t/%n-cid \
             --net=host --userns=keep-id \
             --rm=true --name %n \
             -v /usr/share/GeoIP:/usr/share/GeoIP \
@@ -20,8 +23,10 @@ ExecStart=/usr/bin/podman run \
                  --port 1808{{ item }} \
                  --listen 127.0.0.1 \
                  -l /var/log/mirrormanager/%n.log
-ExecStop=/usr/bin/podman stop -t 1 %n
+ExecStop=/usr/bin/sh -c "/usr/bin/podman rm -f `cat /%t/%n-cid`"
 KillMode=none
+Type=forking
+PIDFile=/%t/%n-pid
 
 [Install]
 WantedBy=multi-user.target