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Forward Prometheus metrics to host if enabled

Browse Source 
Set your daemon.json to something like:
```
{
	"experimental": true,
	"metrics-addr": "0.0.0.0:4999"
}
```

and your metrics will be at `localhost:4999/metrics`

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
This commit is contained in:
Justin Cormack 2017-02-02 11:51:24 +00:00
parent 40fb18a4cc
commit 7327d374ec
1 changed files with 14 additions and 0 deletions
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14
alpine/packages/docker/etc/init.d/docker
View File

@ -121,6 +121,20 @@ start()
ewaitfile 20 ${pidfile} /var/run/docker.sock /var/run/docker/libcontainerd/docker-containerd.sock
# On desktop forward metrics to host if enabled in daemon.json
case "$(mobyplatform)" in
windows|mac)
METRICS_ADDR=$(cat /etc/docker/daemon.json | jq -r '."metrics-addr"')
if [ -n "$METRICS_ADDR" ]
then
METRICS_IP="$(echo "$METRICS_ADDR" | cut -d: -f1)"
METRICS_PORT="$(echo "$METRICS_ADDR" | cut -d: -f2)"
/usr/bin/slirp-proxy -proto tcp -host-ip 0.0.0.0 -host-port "$METRICS_PORT" -container-ip "$METRICS_IP" -container-port "$METRICS_PORT" -i -no-local-ip &
fi
;;
esac
eend $? "Failed to start docker"
}