1u0 opened a new pull request #8451: [FLINK-12513][e2e] Improve end-to-end (bash based) tests URL: https://github.com/apache/flink/pull/8451 ## What is the purpose of the change Make bash based end-to-end tests more "isolated" from each other (by more thorough clean up). ## Brief change log - whole Flink `lib` and `conf` sub directories are backed up and restored on each test run by `test-runner-common.sh`. Tests themselves don't need to revert their changes for this dirs anymore. - introduced an `on_exit` hook as alternative to built-in `trap` hook. The letter is discouraged to be used directly in tests. - refactored Flink config key delete and setter methods. ## Verifying this change - Would be nice to run this changes in CI environment and see if there are any test failures. - Some new methods and their behavior was tested manually by running a sample test: ```bash #!/usr/bin/env bash source "$(dirname "$0")"/common.sh # Check on_exit hook function foo { echo "Debug 1" ls -la "$FLINK_DIR/lib/" } function foo_2 { echo "Debug 2" ls -la "$FLINK_DIR/lib/" } on_exit foo on_exit foo_2 # Check add_optional_lib add_optional_lib "table" add_optional_lib "s3-fs-presto" ls -lh "$FLINK_DIR/lib" # Check config_key methods set_config_key "jobmanager.archive.fs.dir" "hdfs:///sdsds-jobs/" set_config_key parallelism.default 42 delete_config_key high-availability delete_config_key jobmanager.rpc.address cp ${FLINK_DIR}/conf/flink-conf.yaml ${FLINK_DIR}/conf/flink-conf.test.yaml ``` ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / **no**) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**) - The serializers: (yes / **no** / don't know) - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know) - The S3 file system connector: (yes / **no** / don't know) ## Documentation - Does this pull request introduce a new feature? (yes / **no**) - If yes, how is the feature documented? (**not applicable** / docs / JavaDocs / not documented)
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