When succesfully reloading the daemon configuration, print a message
in the logs with the active configuration:
INFO[2018-01-15T15:36:20.901688317Z] Got signal to reload configuration, reloading from: /etc/docker/daemon.json
INFO[2018-01-14T02:23:48.782769942Z] Reloaded configuration: {"mtu":1500,"pidfile":"/var/run/docker.pid","data-root":"/var/lib/docker","exec-root":"/var/run/docker","group":"docker","deprecated-key-path":"/etc/docker/key.json","max-concurrent-downloads":3,"max-concurrent-uploads":5,"shutdown-timeout":15,"debug":true,"hosts":["unix:///var/run/docker.sock"],"log-level":"info","swarm-default-advertise-addr":"","metrics-addr":"","log-driver":"json-file","ip":"0.0.0.0","icc":true,"iptables":true,"ip-forward":true,"ip-masq":true,"userland-proxy":true,"disable-legacy-registry":true,"experimental":false,"network-control-plane-mtu":1500,"runtimes":{"runc":{"path":"docker-runc"}},"default-runtime":"runc","oom-score-adjust":-500,"default-shm-size":67108864,"default-ipc-mode":"shareable"}
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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