Add systemd service-file for clickhouse-keeper

packages/clickhouse-keeper.service

@@ -0,0 +1,27 @@
+[Unit]
+Description=ClickHouse Keeper - zookeeper compatible distributed coordination server
+Requires=network-online.target
+# NOTE: that After/Wants=time-sync.target is not enough, you need to ensure
+# that the time was adjusted already, if you use systemd-timesyncd you are
+# safe, but if you use ntp or some other daemon, you should configure it
+# additionaly.
+After=time-sync.target network-online.target
+Wants=time-sync.target
+
+[Service]
+Type=simple
+User=clickhouse
+Group=clickhouse
+Restart=always
+RestartSec=30
+RuntimeDirectory=%p  # %p is resolved to the systemd unit name
+ExecStart=/usr/bin/clickhouse-keeper --config=/etc/clickhouse-keeper/keeper_config.xml --pid-file=%t/%p/%p.pid
+# Minus means that this file is optional.
+EnvironmentFile=-/etc/default/%p
+LimitCORE=infinity
+LimitNOFILE=500000
+CapabilityBoundingSet=CAP_NET_ADMIN CAP_IPC_LOCK CAP_SYS_NICE CAP_NET_BIND_SERVICE
+
+[Install]
+# ClickHouse should not start from the rescue shell (rescue.target).
+WantedBy=multi-user.target

packages/clickhouse-keeper.yaml

@@ -30,6 +30,8 @@ contents:
   type: config|noreplace
 - src: root/usr/bin/clickhouse-keeper
   dst: /usr/bin/clickhouse-keeper
+- src: clickhouse-keeper.service
+  dst: /lib/systemd/system/clickhouse-keeper.service
 # docs
 - src: ../AUTHORS
   dst: /usr/share/doc/clickhouse-keeper/AUTHORS