[Pyfunc] Add ability to push metrics to Prometheus push gateway #311
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
What this PR does / why we need it:
Due to limitation in knative (knative/serving#8471) . It's currently not possible to expose prometheus metrics server endpoint in separate port from the grpc port. As such, custom metrics from pyfunc server has to be pushed using prometheus push gateway.
This PR add 3 new configuration to support that
CARAML_PROTOCOL
is set toUPI_V1
(default = false)Which issue(s) this PR fixes:
Fixes #
Does this PR introduce a user-facing change?:
Checklist