Add support for DD_DOGSTATSD_HOST #208
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DD_DOGSTATSD_HOST takes precedence over DD_AGENT_HOST but works in the exact same way. This is useful when running multiple DogStatsD clients on the same host where each of them use a different UDS socket. For example the Trace agent might have its own UDS socket, "/var/run/datadog/apm.socket", while the Agent is listening on "/var/run/datadog/dsd.socket" for DogStatsD traffic. Setting "DD_AGENT_HOST" env var would set the same socket for both app. The dedicated "DD_DOGSTATSD_HOST" now allow users to set a socket/host for DogStatsD only.
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This is actually already handled in all Trace agent except GO (cf: DataDog/dd-trace-go#1023) |
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DD_DOGSTATSD_HOSTtakes precedence overDD_AGENT_HOSTbut works in the exact same way. This is useful when running multiple DogStatsD clients on the same host where each of them use a different UDS socket.For example the Trace agent might have its own UDS socket,
/var/run/datadog/apm.socket, while the Agent is listening on/var/run/datadog/dsd.socketfor DogStatsD traffic. SettingDD_AGENT_HOSTenv var would set the same socket for both app. The dedicatedDD_DOGSTATSD_HOSTnow allow users to set a socket/host for DogStatsD only.This solves #201.