Log Cache metrics don't have any tags

[poy]

curl -s -H"Authorization: $(cf oauth-token)" log-cache.coconut.cf-app.com/v1/read/log-cache -G | jq .

yields

      {
        "timestamp": "1526336550208926093",
        "source_id": "log-cache",
        "counter": {
          "name": "ingress",
          "total": "124305"
        }
      }

[cf-gitbot]

We have created an issue in Pivotal Tracker to manage this:

https://www.pivotaltracker.com/story/show/157580025

The labels on this github issue will be updated when the story is started.

[poy]

This would be best fixed by having expvar forwarder write to loggregator-agent (metron) instead of log-cache.

[toddboom]

as suggested above, we're now writing these metrics to the local loggregator agent.