#20251
89%

Ran 28 Apr 2026 05:10AM UTC

Jobs 1

Files 652

Run time 1min

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Committed 28 Apr 2026 04:58AM UTC coverage: 88.833% (+0.04%) from 88.79%

Build # #20251

Build Type

push

github

Committed by

web-flow

Commit Message

xds: Add header mutations library (#12494)

This commit introduces a library for handling header mutations as
specified by the xDS protocol. This library provides the core
functionality for modifying request and response headers based on a set
of rules.

The main components of this library are:
- `HeaderMutator`: Applies header mutations to `Metadata` objects.
- `HeaderMutationFilter`: Filters header mutations based on a set of
configurable rules, such as disallowing mutations of system headers.
- `HeaderMutations`: A value class that represents the set of mutations
to be applied to request and response headers.
- `HeaderMutationDisallowedException`: An exception that is thrown when
a disallowed header mutation is attempted.

This commit also includes comprehensive unit tests for the new library.

Coverage Stats

36140 of 40683 relevant lines covered (88.83%)

0.89 hits per line

Coverage Regressions

Lines	Coverage	∆	File
1	91.02	-0.2%	../netty/src/main/java/io/grpc/netty/NettyServerHandler.java
1	91.9	-0.48%	../xds/src/main/java/io/grpc/xds/client/ControlPlaneClient.java

Jobs

ID	Job ID	Ran	Files	Coverage
1	#20251.1	28 Apr 2026 05:10AM UTC	652	88.83

grpc / grpc-java / #20251
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