def run_executor(
self, execution_info: data_types.ExecutionInfo
) -> execution_result_pb2.ExecutorOutput:
self._exec_properties = execution_info.exec_properties
# The Launcher expects the ExecutorOperator to return an ExecutorOutput
# structure with the output artifact information for MLMD publishing.
output_dict = copy.deepcopy(execution_info.output_dict)
result = execution_result_pb2.ExecutorOutput()
for key, artifact_list in output_dict.items():
artifacts = execution_result_pb2.ExecutorOutput.ArtifactList()
for artifact in artifact_list:
artifacts.artifacts.append(artifact.mlmd_artifact)
result.output_artifacts[key].CopyFrom(artifacts)
return result
def run_executor(
self, execution_info: data_types.ExecutionInfo
) -> execution_result_pb2.ExecutorOutput:
"""Invokers executors given input from the Launcher.
Args:
execution_info: A wrapper of the details of this execution.
Returns:
The output from executor.
"""
# TODO(b/156000550): We should not specialize `Context` to embed beam
# pipeline args. Instead, the `Context` should consists of generic purpose
# `extra_flags` which can be interpreted differently by different
# implementations of executors.
context = base_executor.BaseExecutor.Context(
beam_pipeline_args=self.extra_flags,
tmp_dir=execution_info.tmp_dir,
unique_id=str(execution_info.execution_id),
executor_output_uri=execution_info.execution_output_uri,
stateful_working_dir=execution_info.stateful_working_dir)
executor = self._executor_cls(context=context)
for _, artifact_list in execution_info.input_dict.items():
for artifact in artifact_list:
if isinstance(artifact, ValueArtifact):
# Read ValueArtifact into memory.
artifact.read()
result = executor.Do(execution_info.input_dict,
execution_info.output_dict,
execution_info.exec_properties)
if not result:
# If result is not returned from the Do function, then try to
# read if from the executor_output_uri.
try:
with fileio.open(execution_info.execution_output_uri,
'rb') as f:
result = execution_result_pb2.ExecutorOutput.FromString(
f.read())
except tf.errors.NotFoundError:
# Old style TFX executor doesn't return executor_output, but modify
# output_dict and exec_properties in place. For backward compatibility,
# we use their executor_output and exec_properties to construct
# ExecutorOutput.
result = execution_result_pb2.ExecutorOutput()
_populate_output_artifact(result, execution_info.output_dict)
_populate_exec_properties(result,
execution_info.exec_properties)
return result
def testPopulateOutputArtifact(self):
executor_output = execution_result_pb2.ExecutorOutput()
output_dict = {'output_key': [standard_artifacts.Model()]}
outputs_utils.populate_output_artifact(executor_output, output_dict)
self.assertProtoEquals(
"""
output_artifacts {
key: "output_key"
value {
artifacts {
}
}
}
""", executor_output)
def testPublishSuccessExecutionFailChangedType(self):
with metadata.Metadata(connection_config=self._connection_config) as m:
contexts = self._generate_contexts(m)
execution_id = execution_publish_utils.register_execution(
m, self._execution_type, contexts).id
executor_output = execution_result_pb2.ExecutorOutput()
executor_output.output_artifacts['examples'].artifacts.add(
).type_id = 10
with self.assertRaisesRegex(RuntimeError, 'change artifact type'):
execution_publish_utils.publish_succeeded_execution(
m, execution_id, contexts,
{'examples': [
standard_artifacts.Examples(),
]}, executor_output)
def testPublishSuccessExecutionUpdatesCustomProperties(self):
with metadata.Metadata(connection_config=self._connection_config) as m:
executor_output = text_format.Parse(
"""
execution_properties {
key: "int"
value {
int_value: 1
}
}
execution_properties {
key: "string"
value {
string_value: "string_value"
}
}
""", execution_result_pb2.ExecutorOutput())
contexts = self._generate_contexts(m)
execution_id = execution_publish_utils.register_execution(
m, self._execution_type, contexts).id
execution_publish_utils.publish_succeeded_execution(
m, execution_id, contexts, {}, executor_output)
[execution] = m.store.get_executions_by_id([execution_id])
self.assertProtoPartiallyEquals("""
id: 1
last_known_state: COMPLETE
custom_properties {
key: "int"
value {
int_value: 1
}
}
custom_properties {
key: "string"
value {
string_value: "string_value"
}
}
""",
execution,
ignored_fields=[
'type_id',
'create_time_since_epoch',
'last_update_time_since_epoch'
])
def run_executor(
self, execution_info: data_types.ExecutionInfo
) -> execution_result_pb2.ExecutorOutput:
output_dict = copy.deepcopy(execution_info.output_dict)
result = execution_result_pb2.ExecutorOutput()
for key, artifact_list in output_dict.items():
artifacts = execution_result_pb2.ExecutorOutput.ArtifactList()
for artifact in artifact_list:
artifacts.artifacts.append(artifact.mlmd_artifact)
result.output_artifacts[key].CopyFrom(artifacts)
# Although the following removing is typically not expected, but there is
# no way to prevent them from happening. We should make sure that the
# launcher can handle the double cleanup gracefully.
fileio.rmtree(
os.path.abspath(
os.path.join(execution_info.stateful_working_dir, os.pardir)))
fileio.rmtree(execution_info.tmp_dir)
return result
def testPublishSuccessExecutionFailChangedUriDir(self):
output_example = standard_artifacts.Examples()
output_example.uri = '/my/original_uri'
output_dict = {'examples': [output_example]}
with metadata.Metadata(connection_config=self._connection_config) as m:
contexts = self._generate_contexts(m)
execution_id = execution_publish_utils.register_execution(
m, self._execution_type, contexts).id
executor_output = execution_result_pb2.ExecutorOutput()
new_example = executor_output.output_artifacts[
'examples'].artifacts.add()
new_example.uri = '/my/new_uri/1'
with self.assertRaisesRegex(
RuntimeError,
'When there is one artifact to publish, the URI of it should be '
'identical to the URI of system generated artifact.'):
execution_publish_utils.publish_succeeded_execution(
m, execution_id, contexts, output_dict, executor_output)
def run_with_executor(
execution_info: data_types.ExecutionInfo,
executor: base_executor.BaseExecutor
) -> execution_result_pb2.ExecutorOutput:
"""Invokes executors given an executor instance and input from the Launcher.
Args:
execution_info: A wrapper of the details of this execution.
executor: An executor instance.
Returns:
The output from executor.
"""
# In cases where output directories are not empty due to a previous or
# unrelated execution, clear the directories to ensure consistency.
outputs_utils.clear_output_dirs(execution_info.output_dict)
for _, artifact_list in execution_info.input_dict.items():
for artifact in artifact_list:
if isinstance(artifact, ValueArtifact):
# Read ValueArtifact into memory.
artifact.read()
output_dict = copy.deepcopy(execution_info.output_dict)
result = executor.Do(execution_info.input_dict, output_dict,
execution_info.exec_properties)
if not result:
# If result is not returned from the Do function, then try to
# read from the executor_output_uri.
if fileio.exists(execution_info.execution_output_uri):
result = execution_result_pb2.ExecutorOutput.FromString(
fileio.open(execution_info.execution_output_uri, 'rb').read())
else:
# Old style TFX executor doesn't return executor_output, but modify
# output_dict and exec_properties in place. For backward compatibility,
# we use their executor_output and exec_properties to construct
# ExecutorOutput.
result = execution_result_pb2.ExecutorOutput()
outputs_utils.populate_output_artifact(result, output_dict)
outputs_utils.populate_exec_properties(
result, execution_info.exec_properties)
return result
def testRunExecutor_with_InplaceUpdateExecutor(self):
executor_sepc = text_format.Parse(
"""
class_path: "tfx.orchestration.portable.python_executor_operator_test.InplaceUpdateExecutor"
""", executable_spec_pb2.PythonClassExecutableSpec())
operator = python_executor_operator.PythonExecutorOperator(
executor_sepc)
input_dict = {'input_key': [standard_artifacts.Examples()]}
output_dict = {'output_key': [standard_artifacts.Model()]}
exec_properties = {
'string': 'value',
'int': 1,
'float': 0.0,
# This should not happen on production and will be
# dropped.
'proto': execution_result_pb2.ExecutorOutput()
}
stateful_working_dir = os.path.join(self.tmp_dir,
'stateful_working_dir')
executor_output_uri = os.path.join(self.tmp_dir, 'executor_output')
executor_output = operator.run_executor(
data_types.ExecutionInfo(execution_id=1,
input_dict=input_dict,
output_dict=output_dict,
exec_properties=exec_properties,
stateful_working_dir=stateful_working_dir,
execution_output_uri=executor_output_uri))
self.assertProtoPartiallyEquals(
"""
output_artifacts {
key: "output_key"
value {
artifacts {
custom_properties {
key: "name"
value {
string_value: "my_model"
}
}
}
}
}""", executor_output)
def testPopulateExecProperties(self):
executor_output = execution_result_pb2.ExecutorOutput()
exec_properties = {'string_value': 'string', 'int_value': 1}
outputs_utils.populate_exec_properties(executor_output,
exec_properties)
self.assertProtoEquals(
"""
execution_properties {
key: "string_value"
value {
string_value: "string"
}
}
execution_properties {
key: "int_value"
value {
int_value: 1
}
}
""", executor_output)
def testPublishSuccessExecutionFailTooManyLayerOfSubDir(self):
output_example = standard_artifacts.Examples()
output_example.uri = '/my/original_uri'
output_dict = {'examples': [output_example]}
with metadata.Metadata(connection_config=self._connection_config) as m:
contexts = self._generate_contexts(m)
execution_id = execution_publish_utils.register_execution(
m, self._execution_type, contexts).id
executor_output = execution_result_pb2.ExecutorOutput()
new_example = executor_output.output_artifacts[
'examples'].artifacts.add()
new_example.uri = '/my/original_uri/1/1'
with self.assertRaisesRegex(
RuntimeError,
'The URI of executor generated artifacts should either be identical '
'to the URI of system generated artifact or be a direct sub-dir of '
'it.'):
execution_publish_utils.publish_succeeded_execution(
m, execution_id, contexts, output_dict, executor_output)
def testPublishFailedExecution(self):
with metadata.Metadata(connection_config=self._connection_config) as m:
executor_output = text_format.Parse(
"""
execution_result {
code: 1
result_message: 'error message.'
}
""", execution_result_pb2.ExecutorOutput())
contexts = self._generate_contexts(m)
execution_id = execution_publish_utils.register_execution(
m, self._execution_type, contexts).id
execution_publish_utils.publish_failed_execution(m, contexts,
execution_id,
executor_output)
[execution] = m.store.get_executions_by_id([execution_id])
self.assertProtoPartiallyEquals(
"""
id: 1
last_known_state: FAILED
custom_properties {
key: '__execution_result__'
value {
string_value: '{\\n "resultMessage": "error message.",\\n "code": 1\\n}'
}
}
""",
execution,
ignored_fields=[
'type_id', 'create_time_since_epoch',
'last_update_time_since_epoch'
])
# No events because there is no artifact published.
events = m.store.get_events_by_execution_ids([execution.id])
self.assertEmpty(events)
# Verifies the context-execution edges are set up.
self.assertCountEqual(
[c.id for c in contexts],
[c.id for c in m.store.get_contexts_by_execution(execution.id)])
def run_executor(
self, execution_info: base_executor_operator.ExecutionInfo
) -> execution_result_pb2.ExecutorOutput:
"""Invokers executors given input from the Launcher.
Args:
execution_info: A wrapper of the details of this execution.
Returns:
The output from executor.
"""
# TODO(b/162980675): Set arguments for Beam when it is available.
context = base_executor.BaseExecutor.Context(
executor_output_uri=execution_info.executor_output_uri,
stateful_working_dir=execution_info.stateful_working_dir)
executor = self._executor_cls(context=context)
result = executor.Do(execution_info.input_dict,
execution_info.output_dict,
execution_info.exec_properties)
if not result:
# If result is not returned from the Do function, then try to
# read if from the executor_output_uri.
try:
with tf.io.gfile.GFile(execution_info.executor_output_uri,
'rb') as f:
result = execution_result_pb2.ExecutorOutput.FromString(
f.read())
except tf.errors.NotFoundError:
# Old style TFX executor doesn't return executor_output, but modify
# output_dict and exec_properties in place. For backward compatibility,
# we use their executor_output and exec_properties to construct
# ExecutorOutput.
result = execution_result_pb2.ExecutorOutput()
_populate_output_artifact(result, execution_info.output_dict)
_populate_exec_properties(result,
execution_info.exec_properties)
return result
def testPublishSuccessExecutionFailInvalidUri(self, invalid_uri):
output_example = standard_artifacts.Examples()
output_example.uri = '/my/original_uri'
output_dict = {'examples': [output_example]}
with metadata.Metadata(connection_config=self._connection_config) as m:
contexts = self._generate_contexts(m)
execution_id = execution_publish_utils.register_execution(
m, self._execution_type, contexts).id
executor_output = execution_result_pb2.ExecutorOutput()
system_generated_artifact = executor_output.output_artifacts[
'examples'].artifacts.add()
system_generated_artifact.uri = '/my/original_uri/0'
new_artifact = executor_output.output_artifacts[
'examples'].artifacts.add()
new_artifact.uri = invalid_uri
with self.assertRaisesRegex(
RuntimeError,
'When there are multiple artifacts to publish, their URIs should be '
'direct sub-directories of the URI of the system generated artifact.'
):
execution_publish_utils.publish_succeeded_execution(
m, execution_id, contexts, output_dict, executor_output)
def testPublishSuccessExecutionDropsEmptyResult(self):
with metadata.Metadata(connection_config=self._connection_config) as m:
executor_output = text_format.Parse(
"""
execution_result {
code: 0
}
""", execution_result_pb2.ExecutorOutput())
contexts = self._generate_contexts(m)
execution_id = execution_publish_utils.register_execution(
m, self._execution_type, contexts).id
execution_publish_utils.publish_failed_execution(
m, contexts, execution_id, executor_output)
[execution] = m.store.get_executions_by_id([execution_id])
self.assertProtoPartiallyEquals("""
id: 1
type_id: 3
last_known_state: FAILED
""",
execution,
ignored_fields=[
'create_time_since_epoch',
'last_update_time_since_epoch'
])
def run_executor(
self, execution_info: base_executor_operator.ExecutionInfo
) -> execution_result_pb2.ExecutorOutput:
self._exec_properties = execution_info.exec_properties
return execution_result_pb2.ExecutorOutput()
def run_executor(
self, execution_info: data_types.ExecutionInfo
) -> execution_result_pb2.ExecutorOutput:
self._exec_properties = execution_info.exec_properties
return execution_result_pb2.ExecutorOutput()
def run_executor(
self, execution_info: base_executor_operator.ExecutionInfo
) -> execution_result_pb2.ExecutorOutput:
return execution_result_pb2.ExecutorOutput()
def schedule(self):
return ts.TaskSchedulerResult(
executor_output=execution_result_pb2.ExecutorOutput())
def testPublishSuccessfulExecution(self):
with metadata.Metadata(connection_config=self._connection_config) as m:
contexts = self._generate_contexts(m)
execution_id = execution_publish_utils.register_execution(
m, self._execution_type, contexts).id
output_key = 'examples'
output_example = standard_artifacts.Examples()
executor_output = execution_result_pb2.ExecutorOutput()
text_format.Parse(
"""
uri: 'examples_uri'
custom_properties {
key: 'prop'
value {int_value: 1}
}
""", executor_output.output_artifacts[output_key].artifacts.add())
execution_publish_utils.publish_succeeded_execution(
m, execution_id, contexts, {output_key: [output_example]},
executor_output)
[execution] = m.store.get_executions()
self.assertProtoPartiallyEquals(
"""
id: 1
type_id: 3
last_known_state: COMPLETE
""",
execution,
ignored_fields=[
'create_time_since_epoch', 'last_update_time_since_epoch'
])
[artifact] = m.store.get_artifacts()
self.assertProtoPartiallyEquals(
"""
id: 1
type_id: 4
state: LIVE
uri: 'examples_uri'
custom_properties {
key: 'prop'
value {int_value: 1}
}""",
artifact,
ignored_fields=[
'create_time_since_epoch', 'last_update_time_since_epoch'
])
[event] = m.store.get_events_by_execution_ids([execution.id])
self.assertProtoPartiallyEquals(
"""
artifact_id: 1
execution_id: 1
path {
steps {
key: 'examples'
}
steps {
index: 0
}
}
type: OUTPUT
""",
event,
ignored_fields=['milliseconds_since_epoch'])
# Verifies the context-execution edges are set up.
self.assertCountEqual(
[c.id for c in contexts],
[c.id for c in m.store.get_contexts_by_execution(execution.id)])
self.assertCountEqual(
[c.id for c in contexts],
[c.id for c in m.store.get_contexts_by_artifact(output_example.id)])
def testPublishSuccessExecutionExecutorEditedOutputDict(self):
# There is one artifact in the system provided output_dict, while there are
# two artifacts in executor output. We expect that two artifacts are
# published.
with metadata.Metadata(connection_config=self._connection_config) as m:
contexts = self._generate_contexts(m)
execution_id = execution_publish_utils.register_execution(
m, self._execution_type, contexts).id
output_example = standard_artifacts.Examples()
output_example.uri = '/original_path'
executor_output = execution_result_pb2.ExecutorOutput()
output_key = 'examples'
text_format.Parse(
"""
uri: '/original_path/subdir_1'
custom_properties {
key: 'prop'
value {int_value: 1}
}
""", executor_output.output_artifacts[output_key].artifacts.add())
text_format.Parse(
"""
uri: '/original_path/subdir_2'
custom_properties {
key: 'prop'
value {int_value: 2}
}
""", executor_output.output_artifacts[output_key].artifacts.add())
output_dict = execution_publish_utils.publish_succeeded_execution(
m, execution_id, contexts, {output_key: [output_example]},
executor_output)
[execution] = m.store.get_executions()
self.assertProtoPartiallyEquals("""
id: 1
type_id: 3
last_known_state: COMPLETE
""",
execution,
ignored_fields=[
'create_time_since_epoch',
'last_update_time_since_epoch'
])
artifacts = m.store.get_artifacts()
self.assertLen(artifacts, 2)
self.assertProtoPartiallyEquals("""
id: 1
type_id: 4
state: LIVE
uri: '/original_path/subdir_1'
custom_properties {
key: 'prop'
value {int_value: 1}
}""",
artifacts[0],
ignored_fields=[
'create_time_since_epoch',
'last_update_time_since_epoch'
])
self.assertProtoPartiallyEquals("""
id: 2
type_id: 4
state: LIVE
uri: '/original_path/subdir_2'
custom_properties {
key: 'prop'
value {int_value: 2}
}""",
artifacts[1],
ignored_fields=[
'create_time_since_epoch',
'last_update_time_since_epoch'
])
events = m.store.get_events_by_execution_ids([execution.id])
self.assertLen(events, 2)
self.assertProtoPartiallyEquals(
"""
artifact_id: 1
execution_id: 1
path {
steps {
key: 'examples'
}
steps {
index: 0
}
}
type: OUTPUT
""",
events[0],
ignored_fields=['milliseconds_since_epoch'])
self.assertProtoPartiallyEquals(
"""
artifact_id: 2
execution_id: 1
path {
steps {
key: 'examples'
}
steps {
index: 1
}
}
type: OUTPUT
""",
events[1],
ignored_fields=['milliseconds_since_epoch'])
# Verifies the context-execution edges are set up.
self.assertCountEqual([c.id for c in contexts], [
c.id for c in m.store.get_contexts_by_execution(execution.id)
])
for artifact_list in output_dict.values():
for output_example in artifact_list:
self.assertCountEqual([c.id for c in contexts], [
c.id for c in m.store.get_contexts_by_artifact(
output_example.id)
])
def testOverrideRegisterExecution(self):
# Mock all real operations of driver / executor / MLMD accesses.
mock_targets = ( # (cls, method, return_value)
(beam_executor_operator.BeamExecutorOperator, '__init__', None),
(beam_executor_operator.BeamExecutorOperator, 'run_executor',
execution_result_pb2.ExecutorOutput()),
(python_driver_operator.PythonDriverOperator, '__init__', None),
(python_driver_operator.PythonDriverOperator, 'run_driver',
driver_output_pb2.DriverOutput()),
(metadata.Metadata, '__init__', None),
(metadata.Metadata, '__exit__', None),
(launcher.Launcher, '_publish_successful_execution', None),
(launcher.Launcher, '_clean_up_stateless_execution_info', None),
(launcher.Launcher, '_clean_up_stateful_execution_info', None),
(outputs_utils, 'OutputsResolver', mock.MagicMock()),
(execution_lib, 'get_executions_associated_with_all_contexts', []),
(container_entrypoint, '_dump_ui_metadata', None),
)
for cls, method, return_value in mock_targets:
self.enter_context(
mock.patch.object(cls,
method,
autospec=True,
return_value=return_value))
mock_mlmd = self.enter_context(
mock.patch.object(metadata.Metadata, '__enter__',
autospec=True)).return_value
mock_mlmd.store.return_value.get_executions_by_id.return_value = [
metadata_store_pb2.Execution()
]
self._set_required_env_vars({
'WORKFLOW_ID':
'workflow-id-42',
'METADATA_GRPC_SERVICE_HOST':
'metadata-grpc',
'METADATA_GRPC_SERVICE_PORT':
'8080',
container_entrypoint._KFP_POD_NAME_ENV_KEY:
'test_pod_name'
})
mock_register_execution = self.enter_context(
mock.patch.object(execution_publish_utils,
'register_execution',
autospec=True))
test_ir_file = os.path.join(
os.path.dirname(os.path.abspath(__file__)), 'testdata',
'two_step_pipeline_post_dehydrate_ir.json')
test_ir = io_utils.read_string_file(test_ir_file)
argv = [
'--pipeline_root',
'dummy',
'--kubeflow_metadata_config',
json_format.MessageToJson(
kubeflow_dag_runner.get_default_kubeflow_metadata_config()),
'--tfx_ir',
test_ir,
'--node_id',
'BigQueryExampleGen',
'--runtime_parameter',
'pipeline-run-id=STRING:my-run-id',
]
container_entrypoint.main(argv)
mock_register_execution.assert_called_once()
kwargs = mock_register_execution.call_args[1]
self.assertEqual(
kwargs['exec_properties']
[container_entrypoint._KFP_POD_NAME_PROPERTY_KEY], 'test_pod_name')
def run_executor(
self, execution_info: data_types.ExecutionInfo
) -> execution_result_pb2.ExecutorOutput:
"""Execute underlying component implementation.
Runs executor container in a Kubernetes Pod and wait until it goes into
`Succeeded` or `Failed` state.
Args:
execution_info: All the information that the launcher provides.
Raises:
RuntimeError: when the pod is in `Failed` state or unexpected failure from
Kubernetes API.
Returns:
An ExecutorOutput instance
"""
context = placeholder_utils.ResolutionContext(
exec_info=execution_info,
executor_spec=self._executor_spec,
platform_config=self._platform_config)
container_spec = executor_specs.TemplatedExecutorContainerSpec(
image=self._container_executor_spec.image,
command=[
placeholder_utils.resolve_placeholder_expression(cmd, context)
for cmd in self._container_executor_spec.commands
] or None,
args=[
placeholder_utils.resolve_placeholder_expression(arg, context)
for arg in self._container_executor_spec.args
] or None,
)
pod_name = self._build_pod_name(execution_info)
# TODO(hongyes): replace the default value from component config.
try:
namespace = kube_utils.get_kfp_namespace()
except RuntimeError:
namespace = 'kubeflow'
pod_manifest = self._build_pod_manifest(pod_name, container_spec)
core_api = kube_utils.make_core_v1_api()
if kube_utils.is_inside_kfp():
launcher_pod = kube_utils.get_current_kfp_pod(core_api)
pod_manifest['spec'][
'serviceAccount'] = launcher_pod.spec.service_account
pod_manifest['spec'][
'serviceAccountName'] = launcher_pod.spec.service_account_name
pod_manifest['metadata'][
'ownerReferences'] = container_common.to_swagger_dict(
launcher_pod.metadata.owner_references)
else:
pod_manifest['spec'][
'serviceAccount'] = kube_utils.TFX_SERVICE_ACCOUNT
pod_manifest['spec'][
'serviceAccountName'] = kube_utils.TFX_SERVICE_ACCOUNT
logging.info('Looking for pod "%s:%s".', namespace, pod_name)
resp = kube_utils.get_pod(core_api, pod_name, namespace)
if not resp:
logging.info('Pod "%s:%s" does not exist. Creating it...',
namespace, pod_name)
logging.info('Pod manifest: %s', pod_manifest)
try:
resp = core_api.create_namespaced_pod(namespace=namespace,
body=pod_manifest)
except client.rest.ApiException as e:
raise RuntimeError(
'Failed to created container executor pod!\nReason: %s\nBody: %s'
% (e.reason, e.body))
# Wait up to 300 seconds for the pod to move from pending to another status.
logging.info('Waiting for pod "%s:%s" to start.', namespace, pod_name)
kube_utils.wait_pod(
core_api,
pod_name,
namespace,
exit_condition_lambda=kube_utils.pod_is_not_pending,
condition_description='non-pending status',
timeout_sec=300)
logging.info('Start log streaming for pod "%s:%s".', namespace,
pod_name)
try:
logs = core_api.read_namespaced_pod_log(
name=pod_name,
namespace=namespace,
container=kube_utils.ARGO_MAIN_CONTAINER_NAME,
follow=True,
_preload_content=False).stream()
except client.rest.ApiException as e:
raise RuntimeError(
'Failed to stream the logs from the pod!\nReason: %s\nBody: %s'
% (e.reason, e.body))
for log in logs:
logging.info(log.decode().rstrip('\n'))
# Wait indefinitely for the pod to complete.
resp = kube_utils.wait_pod(
core_api,
pod_name,
namespace,
exit_condition_lambda=kube_utils.pod_is_done,
condition_description='done state')
if resp.status.phase == kube_utils.PodPhase.FAILED.value:
raise RuntimeError('Pod "%s:%s" failed with status "%s".' %
(namespace, pod_name, resp.status))
logging.info('Pod "%s:%s" is done.', namespace, pod_name)
return execution_result_pb2.ExecutorOutput()
