Add support for env var substitution in statsd tags from STATSD_TAGS
allow to configure statsd tags from environment variable (eg. add the hostname as tag).
Migrated from D6943 (view on Phabricator)
Staging instance, all changes can be removed at any time
allow to configure statsd tags from environment variable (eg. add the hostname as tag).
Migrated from D6943 (view on Phabricator)