ceph-config.service

[Unit]
Description=Ceph Config
After=docker.service
Before=ceph-mon.service
Before=ceph-osd.service
Before=ceph-mds@.service

[Service]
EnvironmentFile=-/etc/environment
Type=oneshot
RemainAfterExit=yes
ExecStartPre=/bin/mkdir -p /etc/ceph

# systemd-docker does not work here because we want to briefly block execution in
# case another host is running a cluster bootstrap in parallel. systemd-docker's 
# notify mechanism does not block. A workaround is described here:
#
# https://github.com/docker/docker/issues/6791#issuecomment-72338100

ExecStartPre=/usr/bin/docker pull ceph/ceph-config
ExecStartPre=-/usr/bin/docker kill %n
ExecStartPre=-/usr/bin/docker rm %n
ExecStartPre=/usr/bin/docker run -d -e MON_IP=${COREOS_PUBLIC_IPV4} -e MON_NAME=%H -e ETCDCTL_PEERS=http://${COREOS_PUBLIC_IPV4}:4001 -e CLUSTER=ceph --name %n -v /etc/ceph:/etc/ceph ceph/ceph-config 
ExecStart=/usr/bin/docker logs -f %n
ExecStop=-/usr/bin/docker stop %n
ExecStopPost=-/usr/bin/docker stop %n

[Install]
RequiredBy=ceph-mon.service
RequiredBy=ceph-osd.service
RequiredBy=ceph-mds@.service
WantedBy=multi-user.target

[X-Fleet]
Global=true