GoogleCloudPlatform / ops-agent / 5957028139

88%

master: 88%

Pull #1384

github

prometheus: untyped metrics are preserved in the GMP compatible way

Untyped metrics are double written to GMP when using the Ops Agent. This
is similar to what the GMP binary does on GKE. Untyped metrics used to
be written as a gauge (with a `/gauge` suffix) and with this change, it
will be written as a gauge (with the `/unknown` suffix instead) and a
counter (with the `/unknown:counter`) suffix.

This is a bug fix because rate operations and cumulative interpretations
of these metrics would not work before. Some existing users may need to
update their MQL queries, if they relied on the `/gauge` suffix when
querying this metric. PromQL users will not be affected.

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