fix: Return 422 on bad push source name

[robhowley]

Signed-off-by: Rob Howley [email protected]

What this PR does / why we need it:

• added a new exception for push source not found
• in the feature store, raise the PushSourceNotFoundException when a push source name is provided that doesn't exist
• in feature server /push endpoint, return 422 in the case of a push source not found

Which issue(s) this PR fixes:

Fixes #3210

[codecov-commenter]

Codecov Report

Base: 67.31% // Head: 58.16% // Decreases project coverage by -9.15% :warning:

Coverage data is based on head (5ef4216) compared to base (59b4853). Patch coverage: 40.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3214      +/-   ##
==========================================
- Coverage   67.31%   58.16%   -9.16%     
==========================================
  Files         179      213      +34     
  Lines       16276    17862    +1586     
==========================================
- Hits        10956    10389     -567     
- Misses       5320     7473    +2153     

Flag	Coverage Δ
integrationtests	?
unittests	58.16% <40.00%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
sdk/python/feast/feature_store.py	67.50% <0.00%> (-14.50%)	:arrow_down:
sdk/python/feast/feature_server.py	31.32% <25.00%> (-39.57%)	:arrow_down:
...ests/integration/e2e/test_python_feature_server.py	31.34% <50.00%> (-68.66%)	:arrow_down:
sdk/python/feast/errors.py	68.08% <66.66%> (-0.03%)	:arrow_down:
...sts/integration/registration/test_universal_cli.py	20.20% <0.00%> (-79.80%)	:arrow_down:
...ts/integration/offline_store/test_offline_write.py	26.08% <0.00%> (-73.92%)	:arrow_down:
...fline_store/test_universal_historical_retrieval.py	28.75% <0.00%> (-71.25%)	:arrow_down:
...dk/python/tests/integration/e2e/test_validation.py	27.55% <0.00%> (-69.30%)	:arrow_down:
...s/integration/registration/test_universal_types.py	32.25% <0.00%> (-67.75%)	:arrow_down:
... and 176 more

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[robhowley]

im a little confused. i signed the commits and DCO check agreed. not sure what block is referring to when it says, "Merging is blocked. The base branch requires all commits to be signed."

[adchia]

Yeah that's just a red herring. Your pushed changes removed the "lgtm" tag so it couldn't merge

[robhowley]

converted to draft while i fix the integration test

[robhowley]

hey @adchia, i finally got around to fixing the integration test. looks like everything passed. thanks for your patience.

[feast-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: adchia, robhowley

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