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envoyproxy
api: connection limits
What this PR does / why we need it:
Adds a container for connection-level settings to CTP called Connection. Currently, connection will only support the Limit attribute for setting the max concurrent limits. Limits will be enforced using the Envoy Connection Limit Filter.
When a CTP with a connection limit attaches to a Gateway, each Listener will inherit the parent gateway's limit. This proposal does not deal with Envoy listener runtime connection limits.
In the future, we can consider using this container for #2600, #2670, downstream TCP keepalive, connection local rate limits, ...
Which issue(s) this PR fixes: Relates to #2685
Codecov Report
All modified and coverable lines are covered by tests :white_check_mark:
Project coverage is 64.57%. Comparing base (
f52a6f6) to head (a70dba1).
Additional details and impacted files
@@ Coverage Diff @@
## main #2709 +/- ##
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Coverage 64.57% 64.57%
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Files 122 122
Lines 21115 21115
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Hits 13636 13636
Misses 6632 6632
Partials 847 847
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