grpc / grpc-java / #19196
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LAST BUILD BRANCH: v1.77.x
DEFAULT BRANCH: master
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Files 569
Run time 1min
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coverage: 88.328% (-0.003%) from 88.331%
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buildscripts: simplify PSM interop Kokoro buildscripts (#11121) (#11158)

Integrates the new features of the the Kokoro PSM Interop install library introduced in grpc/psm-interop#73.

Nearly all common functionality was moved from per-language/per-branch PSM Interop build scripts to [psm_interop_kokoro_lib.sh](https://github.com/grpc/psm-interop/blob/main/.kokoro/psm_interop_kokoro_lib.sh):
1. The list of tests in the each test suite 
2. Per-test-suite flag customization
3. `run_test` methods
4. `build_docker_images_if_needed` methods
5. Generic `build_test_app_docker_images` methods (simple docker build + docker push + docker tag). grpc-java is one exception, as it doesn't run docker directly, but a cloudbuild flow.

Now all PSM Interop jobs share the same buildscripts by all test suites:
1.  buildscript that invokes the test: `psm-interop-test-{language}.sh` (configured as `build_file` in the build cfg)
2. buildscript that builds the xDS test client/server and publishes them as a Docker image: `psm-interop-build-{language}.sh` (conventional name called from `psm_interop_kokoro_lib.sh`)

`psm-interop-test-{language}.sh`:
1. Sets `GRPC_LANGUAGE`, `BUILD_SCRIPT_DIR` environment variables.
2. Downloads the shared `psm_interop_kokoro_lib.sh` from the main branch of the psm-interop repo.
3. Sources `psm-interop-build-{language}.sh`
4. Calls `psm::run "${PSM_TEST_SUITE}"` (`PSM_TEST_SUITE` configured in the cfg file).

`psm-interop-build-{language}.sh`:
1. Defines `psm::lang::build_docker_images` which is called from `psm_interop_kokoro_lib.sh`.
2. Invokes any repo-specific logic.
3. May use `psm::build::docker_images_generic` for generic Docker build, tag, push, or provide implement its own build/publish method.

References:
- b/288578634
- See the full list of the new features at grpc/psm-interop#73.
- Additional fixes to the shared lib: grpc/psm-interop#78, grpc/psm-interop#79

31482 of 35642 relevant lines covered (88.33%)

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Uncovered Existing Lines

Lines Coverage ∆ File
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 -0.16% ../okhttp/src/main/java/io/grpc/okhttp/OkHttpServerTransport.java
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 -1.69% ../core/src/main/java/io/grpc/internal/AbstractClientStream.java
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 -4.21% ../okhttp/src/main/java/io/grpc/okhttp/ExceptionHandlingFrameWriter.java
Jobs
ID Job ID Ran Files Coverage
1 #19196.1 569
88.33
Source Files on build #19196