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Split stdout and stderr on interactive execution

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When running a command interactively, we previously would get stdout
and stderr both served on stdout by Nomad. To circumvent this issue,
we now start a separate execution inside the allocation to split
both streams.
This commit is contained in:
sirkrypt0
2021-06-10 11:29:16 +02:00
committed by Tobias Kantusch
parent 19cd4b840e
commit f122dd9376
10 changed files with 156 additions and 55 deletions
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26
tests/e2e/runners_test.go
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@@ -112,7 +112,7 @@ func (s *E2ETestSuite) TestCopyFilesRoute() {
s.Equal(http.StatusNoContent, resp.StatusCode)
s.Run("File content can be printed on runner", func() {
s.Equal(tests.DefaultFileContent, s.PrintContentOfFileOnRunner(runnerID, tests.DefaultFileName))
s.assertFileContent(runnerID, tests.DefaultFileName, tests.DefaultFileContent)
})
})
@@ -134,11 +134,11 @@ func (s *E2ETestSuite) TestCopyFilesRoute() {
s.Run("File content of file with relative path can be printed on runner", func() {
// the print command is executed in the context of the default working directory of the container
s.Equal(relativeFileContent, s.PrintContentOfFileOnRunner(runnerID, relativeFilePath))
s.assertFileContent(runnerID, relativeFilePath, relativeFileContent)
})
s.Run("File content of file with absolute path can be printed on runner", func() {
s.Equal(absoluteFileContent, s.PrintContentOfFileOnRunner(runnerID, absoluteFilePath))
s.assertFileContent(runnerID, absoluteFilePath, absoluteFileContent)
})
})
@@ -152,7 +152,9 @@ func (s *E2ETestSuite) TestCopyFilesRoute() {
s.Equal(http.StatusNoContent, resp.StatusCode)
s.Run("File content can no longer be printed", func() {
s.Contains(s.PrintContentOfFileOnRunner(runnerID, tests.DefaultFileName), "No such file or directory")
stdout, stderr := s.PrintContentOfFileOnRunner(runnerID, tests.DefaultFileName)
s.Equal("", stdout)
s.Contains(stderr, "No such file or directory")
})
})
@@ -168,7 +170,7 @@ func (s *E2ETestSuite) TestCopyFilesRoute() {
_ = resp.Body.Close()
s.Run("File content can be printed on runner", func() {
s.Equal(tests.DefaultFileContent, s.PrintContentOfFileOnRunner(runnerID, tests.DefaultFileName))
s.assertFileContent(runnerID, tests.DefaultFileName, tests.DefaultFileContent)
})
})
@@ -191,7 +193,7 @@ func (s *E2ETestSuite) TestCopyFilesRoute() {
_ = resp.Body.Close()
s.Run("File content can be printed on runner", func() {
s.Equal(string(newFileContent), s.PrintContentOfFileOnRunner(runnerID, tests.DefaultFileName))
s.assertFileContent(runnerID, tests.DefaultFileName, string(newFileContent))
})
})
@@ -208,7 +210,13 @@ func (s *E2ETestSuite) TestCopyFilesRoute() {
})
}
func (s *E2ETestSuite) PrintContentOfFileOnRunner(runnerId string, filename string) string {
func (s *E2ETestSuite) assertFileContent(runnerID, fileName string, expectedContent string) {
stdout, stderr := s.PrintContentOfFileOnRunner(runnerID, fileName)
s.Equal(expectedContent, stdout)
s.Equal("", stderr)
}
func (s *E2ETestSuite) PrintContentOfFileOnRunner(runnerId string, filename string) (string, string) {
webSocketURL, _ := ProvideWebSocketURL(&s.Suite, runnerId, &dto.ExecutionRequest{Command: fmt.Sprintf("cat %s", filename)})
connection, _ := ConnectToWebSocket(webSocketURL)
@@ -216,6 +224,6 @@ func (s *E2ETestSuite) PrintContentOfFileOnRunner(runnerId string, filename stri
s.Require().Error(err)
s.Equal(&websocket.CloseError{Code: websocket.CloseNormalClosure}, err)
stdout, _, _ := helpers.WebSocketOutputMessages(messages)
return stdout
stdout, stderr, _ := helpers.WebSocketOutputMessages(messages)
return stdout, stderr
}