Daniel Dao d5bd4c9ab4 add labels/env log option for gelf ...

this allows gelf logger to collect extra metadata from containers with
`--log-opt labels=label1,label2 --log-opt env=env1,env2`

Additional log field will be prefixed with `_` as per gelf protocol
https://www.graylog.org/resources/gelf/

Signed-off-by: Daniel Dao <dqminh@cloudflare.com>
Upstream-commit: 5794a0190d7505e998116f1321ae39b001d0e710
Component: engine

2015-10-12 21:12:46 +02:00

components/engine

add labels/env log option for gelf

2015-10-12 21:12:46 +02:00

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