func TestThatWeListenToStdOutUnixSocket(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "testing")
assert.NoError(t, err)
defer os.RemoveAll(tmpdir)
instance := &instance{
applicationId: "1234",
wardenJobId: 56,
wardenContainerPath: tmpdir,
index: 3,
drainUrls: []string{"syslog://10.20.30.40:8050"}}
os.MkdirAll(instance.identifier(), 0777)
stdoutSocketPath := filepath.Join(instance.identifier(), "stdout.sock")
stderrSocketPath := filepath.Join(instance.identifier(), "stderr.sock")
os.Remove(stdoutSocketPath)
os.Remove(stderrSocketPath)
stdoutListener, err := net.Listen("unix", stdoutSocketPath)
defer stdoutListener.Close()
assert.NoError(t, err)
stderrListener, err := net.Listen("unix", stderrSocketPath)
defer stderrListener.Close()
assert.NoError(t, err)
expectedMessage := "Some Output\n"
secondLogMessage := "toally different\n"
mockLoggregatorClient := new(MockLoggregatorClient)
mockLoggregatorClient.received = make(chan *[]byte)
instance.startListening(mockLoggregatorClient, testhelpers.Logger())
connection, err := stdoutListener.Accept()
defer connection.Close()
assert.NoError(t, err)
_, err = connection.Write([]byte(expectedMessage))
assert.NoError(t, err)
receivedMessage := testhelpers.GetBackendMessage(t, <-mockLoggregatorClient.received)
assert.Equal(t, "1234", receivedMessage.GetAppId())
assert.Equal(t, logmessage.LogMessage_WARDEN_CONTAINER, receivedMessage.GetSourceType())
assert.Equal(t, logmessage.LogMessage_OUT, receivedMessage.GetMessageType())
assert.Equal(t, expectedMessage, string(receivedMessage.GetMessage()))
assert.Equal(t, []string{"syslog://10.20.30.40:8050"}, receivedMessage.GetDrainUrls())
_, err = connection.Write([]byte(secondLogMessage))
assert.NoError(t, err)
receivedMessage = testhelpers.GetBackendMessage(t, <-mockLoggregatorClient.received)
assert.Equal(t, "1234", receivedMessage.GetAppId())
assert.Equal(t, logmessage.LogMessage_WARDEN_CONTAINER, receivedMessage.GetSourceType())
assert.Equal(t, logmessage.LogMessage_OUT, receivedMessage.GetMessageType())
assert.Equal(t, secondLogMessage, string(receivedMessage.GetMessage()))
assert.Equal(t, []string{"syslog://10.20.30.40:8050"}, receivedMessage.GetDrainUrls())
}
func TestTheAgentMonitorsChangesInInstances(t *testing.T) {
// defer os.RemoveAll(tmpdir)
helperInstance := &instance{
applicationId: "1234",
wardenJobId: 56,
wardenContainerPath: tmpdir,
index: 3}
os.MkdirAll(helperInstance.identifier(), 0777)
stdoutSocketPath := filepath.Join(helperInstance.identifier(), "stdout.sock")
stderrSocketPath := filepath.Join(helperInstance.identifier(), "stderr.sock")
os.Remove(stdoutSocketPath)
os.Remove(stderrSocketPath)
stdoutListener, err := net.Listen("unix", stdoutSocketPath)
defer stdoutListener.Close()
assert.NoError(t, err)
stderrListener, err := net.Listen("unix", stderrSocketPath)
defer stderrListener.Close()
assert.NoError(t, err)
expectedMessage := "Some Output\n"
mockLoggregatorClient := new(MockLoggregatorClient)
mockLoggregatorClient.received = make(chan *[]byte)
writeToFile(t, `{"instances": [{"state": "RUNNING", "application_id": "1234", "warden_job_id": 56, "warden_container_path":"`+tmpdir+`", "instance_index": 3}]}`, true)
agent := NewAgent(filePath(), testhelpers.Logger())
go agent.Start(mockLoggregatorClient)
connection, err := stdoutListener.Accept()
defer connection.Close()
assert.NoError(t, err)
_, err = connection.Write([]byte(expectedMessage))
assert.NoError(t, err)
receivedMessage := testhelpers.GetBackendMessage(t, <-mockLoggregatorClient.received)
assert.Equal(t, "1234", receivedMessage.GetAppId())
assert.Equal(t, logmessage.LogMessage_WARDEN_CONTAINER, receivedMessage.GetSourceType())
assert.Equal(t, logmessage.LogMessage_OUT, receivedMessage.GetMessageType())
assert.Equal(t, expectedMessage, string(receivedMessage.GetMessage()))
}