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Reduce flakiness on Windows for BwoB tests #17479

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@coeuvre coeuvre commented Feb 13, 2023

BuildWithoutTheBytesIntegrationTest has been flaky on Windows. Example error leads to file system errors.

1) incrementalBuild_treeArtifacts_correctlyProducesNewTree(com.google.devtools.build.lib.remote.BuildWithoutTheBytesIntegrationTest)
java.io.IOException: C:/b/iahsqj7l/execroot/io_bazel/_tmp/b474bcb9956744b234827924ec01952d/remote.pid_file (Permission denied)
	at com.google.devtools.build.lib.windows.WindowsFileSystem.delete(WindowsFileSystem.java:60)
	at com.google.devtools.build.lib.vfs.Path.delete(Path.java:587)
	at com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase.bestEffortDeleteTreesBelow(BuildIntegrationTestCase.java:387)
	at com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase.cleanUp(BuildIntegrationTestCase.java:364)
	... 26 trimmed
Caused by: java.nio.file.AccessDeniedException: C:/b/iahsqj7l/execroot/io_bazel/_tmp/b474bcb9956744b234827924ec01952d/remote.pid_file
	at com.google.devtools.build.lib.windows.WindowsFileOperations.deletePath(WindowsFileOperations.java:279)
	at com.google.devtools.build.lib.windows.WindowsFileSystem.delete(WindowsFileSystem.java:56)
	... 30 more
2) downloadToplevel_treeArtifacts(com.google.devtools.build.lib.remote.BuildWithoutTheBytesIntegrationTest)
java.io.IOException: C:/b/iahsqj7l/execroot/io_bazel/_tmp/b474bcb9956744b234827924ec01952d/remote.work_path already exists
	at com.google.devtools.build.lib.remote.util.IntegrationTestUtils.ensureMkdir(IntegrationTestUtils.java:116)
	at com.google.devtools.build.lib.remote.util.IntegrationTestUtils.startWorker(IntegrationTestUtils.java:87)
	at com.google.devtools.build.lib.remote.util.IntegrationTestUtils.startWorker(IntegrationTestUtils.java:77)
	at com.google.devtools.build.lib.remote.BuildWithoutTheBytesIntegrationTest.setupOptions(BuildWithoutTheBytesIntegrationTest.java:49)
	at com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase.createRuntimeWrapper(BuildIntegrationTestCase.java:317)
	at com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase.createFilesAndMocks(BuildIntegrationTestCase.java:234)

This PR fixes 1) by not using pid but checking port status directly to wait for the remote worker to start up and 2) by cleaning up resources used by remote worker after each test case.

@coeuvre coeuvre requested a review from a team as a code owner February 13, 2023 16:05
@sgowroji sgowroji added type: bug team-Remote-Exec Issues and PRs for the Execution (Remote) team awaiting-review PR is awaiting review from an assigned reviewer and removed type: bug labels Feb 13, 2023
@coeuvre coeuvre changed the title Try to reduce flakiness on Windows for BwoB tests Reduce flakiness on Windows for BwoB tests Feb 14, 2023
fmeum pushed a commit to fmeum/bazel that referenced this pull request Feb 16, 2023
`BuildWithoutTheBytesIntegrationTest` has been flaky on Windows. Example error leads to file system errors.

```
1) incrementalBuild_treeArtifacts_correctlyProducesNewTree(com.google.devtools.build.lib.remote.BuildWithoutTheBytesIntegrationTest)
java.io.IOException: C:/b/iahsqj7l/execroot/io_bazel/_tmp/b474bcb9956744b234827924ec01952d/remote.pid_file (Permission denied)
	at com.google.devtools.build.lib.windows.WindowsFileSystem.delete(WindowsFileSystem.java:60)
	at com.google.devtools.build.lib.vfs.Path.delete(Path.java:587)
	at com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase.bestEffortDeleteTreesBelow(BuildIntegrationTestCase.java:387)
	at com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase.cleanUp(BuildIntegrationTestCase.java:364)
	... 26 trimmed
Caused by: java.nio.file.AccessDeniedException: C:/b/iahsqj7l/execroot/io_bazel/_tmp/b474bcb9956744b234827924ec01952d/remote.pid_file
	at com.google.devtools.build.lib.windows.WindowsFileOperations.deletePath(WindowsFileOperations.java:279)
	at com.google.devtools.build.lib.windows.WindowsFileSystem.delete(WindowsFileSystem.java:56)
	... 30 more
2) downloadToplevel_treeArtifacts(com.google.devtools.build.lib.remote.BuildWithoutTheBytesIntegrationTest)
java.io.IOException: C:/b/iahsqj7l/execroot/io_bazel/_tmp/b474bcb9956744b234827924ec01952d/remote.work_path already exists
	at com.google.devtools.build.lib.remote.util.IntegrationTestUtils.ensureMkdir(IntegrationTestUtils.java:116)
	at com.google.devtools.build.lib.remote.util.IntegrationTestUtils.startWorker(IntegrationTestUtils.java:87)
	at com.google.devtools.build.lib.remote.util.IntegrationTestUtils.startWorker(IntegrationTestUtils.java:77)
	at com.google.devtools.build.lib.remote.BuildWithoutTheBytesIntegrationTest.setupOptions(BuildWithoutTheBytesIntegrationTest.java:49)
	at com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase.createRuntimeWrapper(BuildIntegrationTestCase.java:317)
	at com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase.createFilesAndMocks(BuildIntegrationTestCase.java:234)
```

This PR fixes 1) by not using pid but checking port status directly to wait for the remote worker to start up and 2) by cleaning up resources used by remote worker after each test case.

Closes bazelbuild#17479.

PiperOrigin-RevId: 509549826
Change-Id: Icef2be46d5f2a6025cad0cefcf766ae16b4552d8
ShreeM01 added a commit that referenced this pull request Feb 16, 2023
`BuildWithoutTheBytesIntegrationTest` has been flaky on Windows. Example error leads to file system errors.

```
1) incrementalBuild_treeArtifacts_correctlyProducesNewTree(com.google.devtools.build.lib.remote.BuildWithoutTheBytesIntegrationTest)
java.io.IOException: C:/b/iahsqj7l/execroot/io_bazel/_tmp/b474bcb9956744b234827924ec01952d/remote.pid_file (Permission denied)
	at com.google.devtools.build.lib.windows.WindowsFileSystem.delete(WindowsFileSystem.java:60)
	at com.google.devtools.build.lib.vfs.Path.delete(Path.java:587)
	at com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase.bestEffortDeleteTreesBelow(BuildIntegrationTestCase.java:387)
	at com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase.cleanUp(BuildIntegrationTestCase.java:364)
	... 26 trimmed
Caused by: java.nio.file.AccessDeniedException: C:/b/iahsqj7l/execroot/io_bazel/_tmp/b474bcb9956744b234827924ec01952d/remote.pid_file
	at com.google.devtools.build.lib.windows.WindowsFileOperations.deletePath(WindowsFileOperations.java:279)
	at com.google.devtools.build.lib.windows.WindowsFileSystem.delete(WindowsFileSystem.java:56)
	... 30 more
2) downloadToplevel_treeArtifacts(com.google.devtools.build.lib.remote.BuildWithoutTheBytesIntegrationTest)
java.io.IOException: C:/b/iahsqj7l/execroot/io_bazel/_tmp/b474bcb9956744b234827924ec01952d/remote.work_path already exists
	at com.google.devtools.build.lib.remote.util.IntegrationTestUtils.ensureMkdir(IntegrationTestUtils.java:116)
	at com.google.devtools.build.lib.remote.util.IntegrationTestUtils.startWorker(IntegrationTestUtils.java:87)
	at com.google.devtools.build.lib.remote.util.IntegrationTestUtils.startWorker(IntegrationTestUtils.java:77)
	at com.google.devtools.build.lib.remote.BuildWithoutTheBytesIntegrationTest.setupOptions(BuildWithoutTheBytesIntegrationTest.java:49)
	at com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase.createRuntimeWrapper(BuildIntegrationTestCase.java:317)
	at com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase.createFilesAndMocks(BuildIntegrationTestCase.java:234)
```

This PR fixes 1) by not using pid but checking port status directly to wait for the remote worker to start up and 2) by cleaning up resources used by remote worker after each test case.

Closes #17479.

PiperOrigin-RevId: 509549826
Change-Id: Icef2be46d5f2a6025cad0cefcf766ae16b4552d8

Co-authored-by: Chi Wang <chiwang@google.com>
Co-authored-by: kshyanashree <109167932+kshyanashree@users.noreply.github.com>
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