def __init__(self,
scope: core.Construct,
id: str,
*,
emr_step: emr_code.EMRStep,
cluster_id: str,
result_path: Optional[str] = None,
output_path: Optional[str] = None,
fail_chain: Optional[sfn.IChainable] = None,
wait_for_step_completion: bool = True):
super().__init__(scope, id)
override_step_args = emr_lambdas.OverrideStepArgsBuilder.get_or_build(
self)
override_step_args_task = sfn.Task(
self,
f'{emr_step.name} - Override Args',
result_path=f'$.{id}ResultArgs',
task=sfn_tasks.InvokeFunction(
override_step_args,
payload={
'ExecutionInput':
sfn.TaskInput.from_context_at('$$.Execution.Input').value,
'StepName':
emr_step.name,
'Args':
emr_step.args
}))
resolved_step = emr_step.resolve(self)
resolved_step['HadoopJarStep']['Args'] = sfn.TaskInput.from_data_at(
f'$.{id}ResultArgs').value
integration_pattern = sfn.ServiceIntegrationPattern.SYNC if wait_for_step_completion \
else sfn.ServiceIntegrationPattern.FIRE_AND_FORGET
add_step_task = sfn.Task(self,
emr_step.name,
output_path=output_path,
result_path=result_path,
task=emr_tasks.EmrAddStepTask(
cluster_id=cluster_id,
step=resolved_step,
integration_pattern=integration_pattern))
if fail_chain:
override_step_args_task.add_catch(fail_chain,
errors=['States.ALL'],
result_path='$.Error')
add_step_task.add_catch(fail_chain,
errors=['States.ALL'],
result_path='$.Error')
override_step_args_task.next(add_step_task)
self._start = override_step_args_task
self._end = add_step_task
def __init__(self, scope: core.App, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
pass_through_lambda = _lambda.Function(
self,
'PassThroughLambda',
runtime=_lambda.Runtime.PYTHON_3_7,
code=_lambda.Code.asset('lambda'),
handler='pass_through_lambda.handler')
loop_count_lambda = _lambda.Function(
self,
'LoopCountLambda',
runtime=_lambda.Runtime.PYTHON_3_7,
code=_lambda.Code.asset('lambda'),
handler='loop_count_lambda.handler')
start_state_machine = sfn.Task(
self,
"Start CodeBuild Lambda",
task=sfn_tasks.InvokeFunction(pass_through_lambda))
wait_x = sfn.Wait(
self,
"Wait X Seconds",
time=sfn.WaitTime.seconds_path('$.wait_time'),
)
get_state_machine_status = sfn.Task(
self,
"Get Build Status",
task=sfn_tasks.InvokeFunction(loop_count_lambda))
is_complete = sfn.Choice(self, "Job Complete?")
state_machine_failed = sfn.Fail(self,
"Build Failed",
cause="AWS Batch Job Failed",
error="DescribeJob returned FAILED")
state_machine_success = sfn.Pass(self, "Build Successs")
definition = start_state_machine\
.next(wait_x)\
.next(get_state_machine_status)\
.next(is_complete
.when(sfn.Condition.string_equals(
"$.status", "FAILED"), state_machine_failed)
.when(sfn.Condition.string_equals(
"$.status", "SUCCEEDED"), state_machine_success)
.otherwise(wait_x))
sfn.StateMachine(
self,
"StateMachine",
definition=definition,
timeout=core.Duration.seconds(60),
)
def __init__(self, app: cdk.App, id: str, **kwargs) -> None:
super().__init__(app, id, **kwargs)
submit_job_activity = sfn.Activity(
self, "SubmitJob"
)
check_job_activity = sfn.Activity(
self, "CheckJob"
)
submit_job = sfn.Task(
self, "Submit Job",
task=sfn_tasks.InvokeActivity(submit_job_activity),
result_path="$.guid",
)
wait_x = sfn.Wait(
self, "Wait X Seconds",
duration=sfn.WaitDuration.seconds_path('$.wait_time'),
)
get_status = sfn.Task(
self, "Get Job Status",
task=sfn_tasks.InvokeActivity(check_job_activity),
input_path="$.guid",
result_path="$.status",
)
is_complete = sfn.Choice(
self, "Job Complete?"
)
job_failed = sfn.Fail(
self, "Job Failed",
cause="AWS Batch Job Failed",
error="DescribeJob returned FAILED"
)
final_status = sfn.Task(
self, "Get Final Job Status",
task=sfn_tasks.InvokeActivity(check_job_activity),
input_path="$.guid",
)
definition = submit_job\
.next(wait_x)\
.next(get_status)\
.next(is_complete
.when(sfn.Condition.string_equals(
"$.status", "FAILED"), job_failed)
.when(sfn.Condition.string_equals(
"$.status", "SUCCEEDED"), final_status)
.otherwise(wait_x))
sfn.StateMachine(
self, "StateMachine",
definition=definition,
timeout_sec=30,
)
def _lambda_glue_crawler_task(self):
root_path = Path(os.path.dirname(os.path.abspath(__file__)))
lambda_handler = root_path.joinpath('lambdas',
'trigger_glue_crawler').as_posix()
func = lambda_.Function(
self,
"TriggerGlueCrawlerLambdaHandler",
handler="lambda.lambda_handler",
code=lambda_.AssetCode(lambda_handler),
environment={"crawlerName": f"{self.glue_crawler.name}"},
initial_policy=[
iam.PolicyStatement(
actions=["glue:StartCrawler"],
resources=["*"],
),
],
timeout=core.Duration.seconds(30),
runtime=lambda_.Runtime.PYTHON_3_7,
)
# turn the lambda into a stepfunction task so we can use it in our state machine
task = sfn.Task(
self,
"TriggerGlueCrawlerLambda",
task=sfnt.InvokeFunction(func),
)
return task
def _emr_spark_step_task(self):
# Add a EMR Step to run our pyspark job; an asset with our application will be
# created and referenced in the job definition
root_path = Path(os.path.dirname(os.path.abspath(__file__)))
pyspark_script = root_path.joinpath('pyspark', 'example.py').as_posix()
pyspark_example_asset = s3_assets.Asset(self,
"PythonScript",
path=pyspark_script)
sample_spark_step = sfn.Task(
self,
"RunSparkExample",
task=sfnt.EmrAddStep(
# the concrete ClusterId will be picked up from the current state of the statem achine
cluster_id=sfn.Data.string_at("$.ClusterId"),
name="SparkExample",
# `command-runner.jar` is a jar from AWS that can be used to execute generic command (like `spark-submit`)
# if you write your programs in Java/Scala you can directly insert your jar file here instead of script location
jar="command-runner.jar",
args=[
"spark-submit",
"--deploy-mode",
"cluster",
"--master",
"yarn",
f"s3://{pyspark_example_asset.s3_bucket_name}/{pyspark_example_asset.s3_object_key}",
],
),
result_path="DISCARD",
)
return sample_spark_step
def test_emr_add_step_task():
default_task_json = {
'End': True,
'Parameters': {
'ClusterId': 'test-cluster-id',
'Step': {
'Key1': {
'Key2': 'Value2'
}
}
},
'Resource': {
'Fn::Join': [
'',
[
'arn:', {
'Ref': 'AWS::Partition'
}, ':states:::elasticmapreduce:addStep.sync'
]
]
},
'Type': 'Task'
}
stack = core.Stack(core.App(), 'test-stack')
task = sfn.Task(stack,
'test-task',
task=emr_tasks.EmrAddStepTask('test-cluster-id',
{'Key1': {
'Key2': 'Value2'
}}))
print_and_assert(default_task_json, task)
def __init__(self,
scope: core.Construct,
id: str,
*,
message: sfn.TaskInput,
subject: Optional[str] = None,
topic: Optional[sns.Topic] = None,
result_path: str = '$.PublishResult',
output_path: str = '$',
cause: Optional[str] = None,
comment: Optional[str] = None,
error: Optional[str] = None):
super().__init__(scope, id)
self._end = sfn.Fail(self,
'Execution Failed',
cause=cause,
comment=comment,
error=error)
if topic is not None:
self._start = sfn.Task(
self,
'Failure Notification',
input_path='$',
output_path=output_path,
result_path=result_path,
task=sfn_tasks.PublishToTopic(topic,
message=message,
subject=subject))
self._start.next(self._end)
else:
self._start = self._end
def build(
scope: core.Construct,
id: str,
*,
cluster_configuration_path: str = '$.ClusterConfiguration.Cluster',
output_path: str = '$',
result_path: str = '$.ClusterConfiguration.Cluster') -> sfn.Task:
# We use a nested Construct to avoid collisions with Lambda and Task ids
construct = core.Construct(scope, id)
update_cluster_tags_lambda = emr_lambdas.UpdateClusterTagsBuilder.get_or_build(
construct)
return sfn.Task(
construct,
'Update Cluster Tags',
output_path=output_path,
result_path=result_path,
task=sfn_tasks.InvokeFunction(
update_cluster_tags_lambda,
payload={
'ExecutionInput':
sfn.TaskInput.from_context_at('$$.Execution.Input').value,
'ClusterConfiguration':
sfn.TaskInput.from_data_at(
cluster_configuration_path).value
}))
def build(
scope: core.Construct,
id: str,
*,
default_fail_if_cluster_running: bool,
cluster_configuration_path: str = '$.ClusterConfiguration.Cluster',
output_path: str = '$',
result_path: str = '$.ClusterConfiguration.Cluster') -> sfn.Task:
# We use a nested Construct to avoid collisions with Lambda and Task ids
construct = core.Construct(scope, id)
fail_if_cluster_running_lambda = emr_lambdas.FailIfClusterRunningBuilder.get_or_build(
construct)
return sfn.Task(
construct,
'Fail If Cluster Running',
output_path=output_path,
result_path=result_path,
task=sfn_tasks.InvokeFunction(
fail_if_cluster_running_lambda,
payload={
'ExecutionInput':
sfn.TaskInput.from_context_at('$$.Execution.Input').value,
'DefaultFailIfClusterRunning':
default_fail_if_cluster_running,
'ClusterConfiguration':
sfn.TaskInput.from_data_at(
cluster_configuration_path).value
}))
def test_start_execution_task():
default_task_json = {
'End': True,
'Parameters': {
'StateMachineArn': {
'Ref': 'teststatemachine7F4C511D'
},
'Input.$': '$$.Execution.Input'
},
'Type': 'Task',
'Resource': {
'Fn::Join': [
'',
[
'arn:', {
'Ref': 'AWS::Partition'
}, ':states:::states:startExecution.sync'
]
]
}
}
stack = core.Stack(core.App(), 'test-stack')
state_machine = sfn.StateMachine(stack,
'test-state-machine',
definition=sfn.Chain.start(
sfn.Succeed(stack, 'Succeeded')))
task = sfn.Task(stack,
'test-task',
task=emr_tasks.StartExecutionTask(state_machine, ))
print_and_assert(default_task_json, task)
def __init__(self,
scope: core.Construct,
id: str,
*,
message: sfn.TaskInput,
subject: Optional[str] = None,
topic: Optional[sns.Topic] = None,
result_path: str = '$.PublishResult',
output_path: Optional[str] = None):
super().__init__(scope, id)
self._end = sfn.Succeed(self, 'Succeeded', output_path=output_path)
if topic is not None:
self._start = sfn.Task(
self,
'Success Notification',
input_path='$',
output_path='$',
result_path=result_path,
task=sfn_tasks.PublishToTopic(topic,
message=message,
subject=subject))
self._start.next(self._end)
else:
self._start = self._end
def build(
scope: core.Construct,
id: str,
*,
override_cluster_configs_lambda: Optional[
aws_lambda.Function] = None,
allowed_cluster_config_overrides: Optional[Dict[str, str]] = None,
cluster_configuration_path: str = '$.ClusterConfiguration.Cluster',
output_path: str = '$',
result_path: str = '$.ClusterConfiguration.Cluster') -> sfn.Task:
# We use a nested Construct to avoid collisions with Lambda and Task ids
construct = core.Construct(scope, id)
override_cluster_configs_lambda = \
emr_lambdas.OverrideClusterConfigsBuilder.get_or_build(construct) \
if override_cluster_configs_lambda is None \
else override_cluster_configs_lambda
return sfn.Task(
construct,
'Override Cluster Configs',
output_path=output_path,
result_path=result_path,
task=sfn_tasks.InvokeFunction(
override_cluster_configs_lambda,
payload={
'ExecutionInput':
sfn.TaskInput.from_context_at('$$.Execution.Input').value,
'ClusterConfiguration':
sfn.TaskInput.from_data_at(
cluster_configuration_path).value,
'AllowedClusterConfigOverrides':
allowed_cluster_config_overrides
}))
def create_state_machine(self, lambda_functions, page_sqs):
task_wrapup = aws_stepfunctions.Task(
self, "task_wrapup",
task = aws_stepfunctions_tasks.RunLambdaTask(lambda_functions["wrapup"])
)
tast_analyze_with_scale = aws_stepfunctions.Task(
self, "AnalyzeWithScale",
task= aws_stepfunctions_tasks.SendToQueue(
queue = page_sqs,
message_body = aws_stepfunctions.TaskInput.from_object(
{
"token": aws_stepfunctions.Context.task_token,
"id.$": "$.id",
"bucket.$": "$.bucket",
"original_upload_pdf.$": "$.original_upload_pdf",
"SAGEMAKER_WORKFLOW_AUGMENTED_AI_ARN.$": "$.SAGEMAKER_WORKFLOW_AUGMENTED_AI_ARN",
"key.$": "$.key"
}
),
delay=None,
integration_pattern=aws_stepfunctions.ServiceIntegrationPattern.WAIT_FOR_TASK_TOKEN
)
)
process_map = aws_stepfunctions.Map(
self, "Process_Map",
items_path = "$.image_keys",
result_path="DISCARD",
parameters = {
"id.$": "$.id",
"bucket.$": "$.bucket",
"original_upload_pdf.$": "$.original_upload_pdf",
"SAGEMAKER_WORKFLOW_AUGMENTED_AI_ARN.$": "$.SAGEMAKER_WORKFLOW_AUGMENTED_AI_ARN",
"key.$": "$$.Map.Item.Value"
}
).iterator(tast_analyze_with_scale)
definition = process_map.next(task_wrapup)
aws_stepfunctions.StateMachine(
scope = self,
id = "multipagepdfa2i_fancy_stepfunction",
state_machine_name = "multipagepdfa2i_fancy_stepfunction",
definition=definition
)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
# Step Function Starts Here
# The first thing we need to do is see if they are asking for pineapple on a pizza
pineapple_check_lambda = _lambda.Function(self, "pineappleCheckLambdaHandler",
runtime=_lambda.Runtime.NODEJS_12_X,
handler="orderPizza.handler",
code=_lambda.Code.from_asset("lambdas"),
)
# Step functions are built up of steps, we need to define our first step
order_pizza = step_fn.Task(self, 'Order Pizza Job',
task=step_fn_tasks.InvokeFunction(pineapple_check_lambda),
input_path='$.flavour',
result_path='$.pineappleAnalysis'
)
# Pizza Order failure step defined
job_failed = step_fn.Fail(self, 'Sorry, We Dont add Pineapple',
cause='Failed To Make Pizza',
error='They asked for Pineapple')
# If they didnt ask for pineapple let's cook the pizza
cook_pizza = step_fn.Pass(self, 'Lets make your pizza')
# If they ask for a pizza with pineapple, fail. Otherwise cook the pizza
definition = step_fn.Chain \
.start(order_pizza) \
.next(step_fn.Choice(self, 'With Pineapple?') \
.when(step_fn.Condition.boolean_equals('$.pineappleAnalysis.containsPineapple', True), job_failed) \
.otherwise(cook_pizza))
state_machine = step_fn.StateMachine(self, 'StateMachine', definition=definition, timeout=core.Duration.minutes(5))
# Dead Letter Queue Setup
dlq = sqs.Queue(self, 'stateMachineLambdaDLQ', visibility_timeout=core.Duration.seconds(300))
# defines an AWS Lambda resource to connect to our API Gateway
state_machine_lambda = _lambda.Function(self, "stateMachineLambdaHandler",
runtime=_lambda.Runtime.NODEJS_12_X,
handler="stateMachineLambda.handler",
code=_lambda.Code.from_asset("lambdas"),
environment={
'statemachine_arn': state_machine.state_machine_arn
}
)
state_machine.grant_start_execution(state_machine_lambda)
# defines an API Gateway REST API resource backed by our "sqs_publish_lambda" function.
api_gw.LambdaRestApi(self, 'Endpoint',
handler=state_machine_lambda
)
def __init__(self,
scope: core.Construct,
id: str,
name: str,
state_machine: sfn.StateMachine,
input: Optional[Mapping[str, any]] = None,
fail_chain: Optional[sfn.IChainable] = None):
super().__init__(scope, id)
state_machine_task = sfn.Task(
self,
name,
task=emr_tasks.StartExecutionTask(
state_machine=state_machine,
input=input,
integration_pattern=sfn.ServiceIntegrationPattern.SYNC))
parse_json_string = emr_lambdas.ParseJsonStringBuilder.get_or_build(
self)
parse_json_string_task = sfn.Task(
self,
f'{name} - Parse JSON Output',
result_path='$',
task=sfn_tasks.InvokeFunction(
parse_json_string,
payload={
'JsonString': sfn.TaskInput.from_data_at('$.Output').value
}))
if fail_chain:
state_machine_task.add_catch(fail_chain,
errors=['States.ALL'],
result_path='$.Error')
parse_json_string_task.add_catch(fail_chain,
errors=['States.ALL'],
result_path='$.Error')
state_machine_task.next(parse_json_string_task)
self._start = state_machine_task
self._end = parse_json_string_task
def _emr_terminate_cluster_task(self):
# Shutdown the cluster
terminate_cluster = sfn.Task(
self,
"TerminateCluster",
task=sfnt.EmrTerminateCluster(
cluster_id=sfn.Data.string_at("$.ClusterId"),
integration_pattern=sfn.ServiceIntegrationPattern.SYNC,
),
result_path="DISCARD",
)
return terminate_cluster
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
#lf1= Function(self, id="my_stack_lambda", runtime=Runtime.PYTHON_3_7, handler='handlers/my_lambda_handler', code='', function_name='my_example_lambda')
my_table = _dynamodb.Table(self,
id='dynamoTable',
table_name='testcdktabe',
partition_key=_dynamodb.Attribute(
name='lastname',
type=_dynamodb.AttributeType.STRING))
my_s3_bucket = _s3.Bucket(self,
id='s3bucket',
bucket_name='mynpbsample3bucket')
my_lambda_function = _lambda.Function(
self,
id='lambdafunction',
runtime=_lambda.Runtime.PYTHON_3_7,
handler='hello.handler',
code=_lambda.Code.asset('lambdacode'))
process_purchase_function = _lambda.Function(
self,
id='process_purchase',
runtime=_lambda.Runtime.PYTHON_3_7,
handler='process_purchase.handler',
code=_lambda.Code.asset('lambdacode'))
process_refund_function = _lambda.Function(
self,
id='process_refund',
runtime=_lambda.Runtime.PYTHON_3_7,
handler='process_refund.handler',
code=_lambda.Code.asset('lambdacode'))
#start_state = sfn.Pass(self, "start_state")
definition = sfn.Task(
self,
'Get Process Type',
task=tasks.InvokeFunction(process_purchase_function))
sfn.StateMachine(
self,
"MyStateMachine",
definition=definition,
timeout=core.Duration.seconds(30),
)
my_topic = sns.Topic(self,
"MyTopic",
display_name="Customer Subscription")
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
# space for feeder Lambda function
feeder = aws_lambda.Function(self,
id='_feeder',
code=aws_lambda.Code.asset('./code'),
handler='feeder.handler',
runtime=aws_lambda.Runtime.PYTHON_3_7,
description='Feeder function for the Witness project')
# space for saver Lambda function
saver = aws_lambda.Function(self,
id='_saver',
code=aws_lambda.Code.asset('./code'),
handler='saver.handler',
runtime=aws_lambda.Runtime.PYTHON_3_7,
description='Saver function for the Witness project')
# space for feeder lambda trigger
archive.add_event_notification(aws_s3.EventType.OBJECT_CREATED_PUT, s3n.LambdaDestination(feeder))
# space for stepfunction
feederTask = aws_stepfunctions.Task( self,
id='_feederTask',
task=aws_tasks.InvokeFunction(feeder))
saverTask = aws_stepfunctions.Task( self,
id='_saverTask',
task=aws_tasks.InvokeFunction(saver))
definition = feederTask.next(saverTask)
orchestrator = aws_stepfunctions.StateMachine(self,
id='_orchestrator',
state_machine_name='witness_orchestrator',
definition=definition)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
logging_lambda = lambda_func.Function(
scope=self,
id="logging_lambda",
function_name="logging_lambda",
handler="logging-lambda.main",
runtime=lambda_func.Runtime.PYTHON_3_7,
code=lambda_func.Code.from_asset("./code"))
second_lambda = lambda_func.Function(
scope=self,
id="second_lambda",
function_name="second_lambda",
handler="second-lambda.main",
runtime=lambda_func.Runtime.PYTHON_3_7,
code=lambda_func.Code.from_asset("./code"))
logging_lambda_task = tasks.InvokeFunction(logging_lambda)
logging_step = stepfunctions.Task(scope=self,
id="invoke_logging_function",
task=logging_lambda_task)
second_lambda_task = tasks.InvokeFunction(second_lambda)
second_step = stepfunctions.Task(scope=self,
id="invoke_second_function",
task=second_lambda_task)
definition = logging_step.next(second_step)
stepfunctions.StateMachine(
scope=self,
id="state_machine",
state_machine_name="state_machine",
definition=definition,
)
def __init__(self, app: core.App, cfn_name: str, stack_env):
super().__init__(scope=app, id=f"{cfn_name}-{stack_env}")
# lambda
lambda_task = lambda_.Function(
scope=self,
id=f"{cfn_name}-lambda-task",
code=lambda_.AssetCode.from_asset("lambda_script"),
handler="lambda_handler.lambda_task",
timeout=core.Duration.seconds(10),
runtime=self.LAMBDA_PYTHON_RUNTIME,
memory_size=128
)
# StepFunction Tasks
sns_source = sfn.Pass(
scope=self,
id=f"{cfn_name}-sfn-pass",
comment="pass example",
input_path="$",
result_path="$.source",
result=sfn.Result.from_string("example"),
output_path="$"
)
arguments_generation = sfn.Task(
scope=self,
id=f"{cfn_name}-sfn-lambda-task",
task=sfn_tasks.RunLambdaTask(
lambda_function=lambda_task,
payload=sfn.TaskInput.from_object({
"time.$": "$.time",
"source.$": "$.source"
})),
input_path="$",
result_path="$.arguments",
output_path="$.arguments.Payload"
)
# stepfunctions
definition = sns_source.next(arguments_generation)
_ = sfn.StateMachine(
scope=self,
id=f"{cfn_name}-SFn-{stack_env}",
definition=definition
)
def build(scope: core.Construct,
id: str,
*,
name: str,
cluster_id: str,
result_path: Optional[str] = None,
output_path: Optional[str] = None) -> sfn.Task:
# We use a nested Construct to avoid collisions with Task ids
construct = core.Construct(scope, id)
return sfn.Task(
construct,
name,
output_path=output_path,
result_path=result_path,
task=sfn_tasks.EmrTerminateCluster(
cluster_id=cluster_id,
integration_pattern=sfn.ServiceIntegrationPattern.SYNC))
def build(scope: core.Construct,
id: str,
*,
cluster_name: str,
cluster_tags: List[core.Tag],
profile_namespace: str,
profile_name: str,
configuration_namespace: str,
configuration_name: str,
output_path: str = '$',
result_path: str = '$.ClusterConfiguration') -> sfn.Task:
# We use a nested Construct to avoid collisions with Lambda and Task ids
construct = core.Construct(scope, id)
load_cluster_configuration_lambda = emr_lambdas.LoadClusterConfigurationBuilder.build(
construct,
profile_namespace=profile_namespace,
profile_name=profile_name,
configuration_namespace=configuration_namespace,
configuration_name=configuration_name)
return sfn.Task(construct,
'Load Cluster Configuration',
output_path=output_path,
result_path=result_path,
task=sfn_tasks.InvokeFunction(
load_cluster_configuration_lambda,
payload={
'ClusterName':
cluster_name,
'ClusterTags': [{
'Key': t.key,
'Value': t.value
} for t in cluster_tags],
'ProfileNamespace':
profile_namespace,
'ProfileName':
profile_name,
'ConfigurationNamespace':
configuration_namespace,
'ConfigurationName':
configuration_name,
}))
def _emr_create_cluster_task(self, pipeline_name):
# Let the Stepfunction create a uniform instance group cluster
# with 1 Master and 5 Core nodes
create_cluster = sfn.Task(
self,
"CreateCluster",
# this is very similar to the specification menu in AWS UI we used during the course
task=sfnt.EmrCreateCluster(
name=pipeline_name,
applications=[
sfnt.EmrCreateCluster.ApplicationConfigProperty(
name="spark")
],
# specify the cluster worker/master hardware
instances=sfnt.EmrCreateCluster.InstancesConfigProperty(
instance_groups=[
sfnt.EmrCreateCluster.InstanceGroupConfigProperty(
instance_count=1,
instance_role=sfnt.EmrCreateCluster.
InstanceRoleType.MASTER,
instance_type="m5.xlarge",
name="Master",
),
sfnt.EmrCreateCluster.InstanceGroupConfigProperty(
instance_count=4,
instance_role=sfnt.EmrCreateCluster.
InstanceRoleType.CORE,
instance_type="m5.xlarge",
name="Core",
),
], ),
cluster_role=self.emr_instance_role,
service_role=self.emr_service_role,
release_label="emr-6.0.0",
log_uri=
f"s3://{self.emr_logging_bucket.bucket_name}/{pipeline_name}"),
# we output the ClusterId on the state machine status
output_path="$.ClusterId",
result_path="$.ClusterId",
)
return create_cluster
def build(scope: core.Construct,
id: str,
*,
emr_step: emr_code.EMRStep,
cluster_id: str,
result_path: Optional[str] = None,
output_path: Optional[str] = None,
wait_for_step_completion: bool = True) -> sfn.Task:
# We use a nested Construct to avoid collisions with Task ids
construct = core.Construct(scope, id)
resolved_step = emr_step.resolve(construct)
integration_pattern = sfn.ServiceIntegrationPattern.SYNC if wait_for_step_completion \
else sfn.ServiceIntegrationPattern.FIRE_AND_FORGET
return sfn.Task(construct,
emr_step.name,
output_path=output_path,
result_path=result_path,
task=EmrAddStepTask(
cluster_id=cluster_id,
step=resolved_step,
integration_pattern=integration_pattern))
def build(
scope: core.Construct,
id: str,
*,
roles: emr_roles.EMRRoles,
cluster_configuration_path: str = '$.ClusterConfiguration.Cluster',
result_path: Optional[str] = None,
output_path: Optional[str] = None,
wait_for_cluster_start: bool = True) -> sfn.Task:
# We use a nested Construct to avoid collisions with Lambda and Task ids
construct = core.Construct(scope, id)
integration_pattern = sfn.ServiceIntegrationPattern.SYNC if wait_for_cluster_start \
else sfn.ServiceIntegrationPattern.FIRE_AND_FORGET
return sfn.Task(
construct,
'Start EMR Cluster',
output_path=output_path,
result_path=result_path,
task=EmrCreateClusterTask(
roles=roles,
cluster_configuration_path=cluster_configuration_path,
integration_pattern=integration_pattern))
def _lambda_quality_check_task(self):
lambda_role = iam.Role(
self,
id=f"QualityLambdaRole",
assumed_by=iam.ServicePrincipal("lambda.amazonaws.com"),
managed_policies=[
iam.ManagedPolicy.from_aws_managed_policy_name(
"AmazonS3FullAccess"),
iam.ManagedPolicy.from_aws_managed_policy_name(
"AmazonAthenaFullAccess"),
],
)
root_path = Path(os.path.dirname(os.path.abspath(__file__)))
lambda_handler = root_path.joinpath('lambdas',
'quality_check').as_posix()
func = lambda_.Function(
self,
"QualityCheckAthenaLambdaHandler",
handler="lambda.lambda_handler",
code=lambda_.AssetCode(lambda_handler),
environment={"athenaDatabase": f"{self.glue_db_name}"},
role=lambda_role,
timeout=core.Duration.seconds(30),
runtime=lambda_.Runtime.PYTHON_3_7,
)
# turn the lambda into a stepfunction task so we can use it in our state machine
task = sfn.Task(
self,
"QualityCheckAthenaLambda",
task=sfnt.InvokeFunction(func),
)
return task
def __init__(self, app: core.App, id: str, **kwargs) -> None:
super().__init__(app, id, **kwargs)
# Create both lambdas
with open("lambda-submit.py", encoding="utf8") as fp:
lambda_submit_code = fp.read()
lambdaFn1 = lambda_.Function(
self,
"submitsmbatch",
code=lambda_.InlineCode(lambda_submit_code),
handler="index.lambda_handler",
timeout=core.Duration.seconds(300),
runtime=lambda_.Runtime.PYTHON_3_7,
environment={
"transform_job_name":transform_job_name,
"model_name":model_name,
"max_concurrent":max_concurrent,
"max_payload_size":max_payload_size,
"s3_uri_in":s3_uri_in,
"s3_uri_out":s3_uri_out,
"instance_type":instance_type,
"instance_count":instance_count,
}
)
# Add perms
lambdaFn1.add_to_role_policy(aws_iam.PolicyStatement(
actions = ['sagemaker:CreateTransformJob',],
resources = ['arn:aws:sagemaker:{}:{}:transform-job/{}*'.format(my_region,my_acc_id,transform_job_name),]
))
with open("lambda-check.py", encoding="utf8") as fp:
lambda_check_code = fp.read()
lambdaFn2 = lambda_.Function(
self,
"checksmbatch",
code=lambda_.InlineCode(lambda_check_code),
handler="index.lambda_handler",
timeout=core.Duration.seconds(300),
runtime=lambda_.Runtime.PYTHON_3_7,
environment={"model_name":model_name, # CHANGE TO YOUR ENDPOINT NAME!!
"content_type":"text/csv"}
)
# Add perms
lambdaFn2.add_to_role_policy(aws_iam.PolicyStatement(
actions = ['sagemaker:DescribeTransformJob',],
resources = ['arn:aws:sagemaker:{}:{}:transform-job/{}*'.format(my_region,my_acc_id,transform_job_name),]
))
# Define state machine
# submit_job_activity = sfn.Activity(
# self, "SubmitJob"
# )
# check_job_activity = sfn.Activity(
# self, "CheckJob"
# )
submit_job = sfn.Task(
self, "Submit Job",
task=sfn_tasks.InvokeFunction(lambdaFn1),
)
wait_x = sfn.Wait(
self, "Wait 1 minute",
time=sfn.WaitTime.duration(core.Duration.minutes(1)),
)
get_status = sfn.Task(
self, "Get Job Status",
task=sfn_tasks.InvokeFunction(lambdaFn2),
)
is_complete = sfn.Choice(
self, "Job Complete?"
)
job_failed = sfn.Fail(
self, "Job Failed",
cause="AWS Batch Job Failed",
error="DescribeJob returned FAILED"
)
final_status = sfn.Task(
self, "Get Final Job Status",
task=sfn_tasks.InvokeFunction(lambdaFn2),
)
definition = submit_job\
.next(wait_x)\
.next(get_status)\
.next(is_complete
.when(sfn.Condition.string_equals(
"$.status", "Failed"), job_failed)
.when(sfn.Condition.string_equals(
"$.status", "Completed"), final_status)
.otherwise(wait_x))
sfn.StateMachine(
self, "SMbatchInference",
definition=definition,
)
def build(scope: core.Construct,
id: str,
*,
roles: emr_roles.EMRRoles,
kerberos_attributes_secret: Optional[
secretsmanager.Secret] = None,
secret_configurations: Optional[Dict[
str, secretsmanager.Secret]] = None,
cluster_configuration_path: str = '$.ClusterConfiguration',
result_path: Optional[str] = None,
output_path: Optional[str] = None,
wait_for_cluster_start: bool = True) -> sfn.Task:
# We use a nested Construct to avoid collisions with Lambda and Task ids
construct = core.Construct(scope, id)
event_rule = core.Stack.of(scope).node.try_find_child('EventRule')
if event_rule is None:
event_rule = events.Rule(construct,
'EventRule',
enabled=False,
schedule=events.Schedule.rate(
core.Duration.minutes(1)))
BaseBuilder.tag_construct(event_rule)
run_job_flow_lambda = emr_lambdas.RunJobFlowBuilder.get_or_build(
construct, roles, event_rule)
check_cluster_status_lambda = emr_lambdas.CheckClusterStatusBuilder.get_or_build(
construct, event_rule)
if kerberos_attributes_secret:
run_job_flow_lambda.add_to_role_policy(
iam.PolicyStatement(
effect=iam.Effect.ALLOW,
actions=['secretsmanager:GetSecretValue'],
resources=[f'{kerberos_attributes_secret.secret_arn}*']))
if secret_configurations is not None:
for secret in secret_configurations.values():
run_job_flow_lambda.add_to_role_policy(
iam.PolicyStatement(
effect=iam.Effect.ALLOW,
actions=['secretsmanager:GetSecretValue'],
resources=[f'{secret.secret_arn}*']))
return sfn.Task(
construct,
'Start EMR Cluster (with Secrets)',
output_path=output_path,
result_path=result_path,
task=sfn_tasks.RunLambdaTask(
run_job_flow_lambda,
integration_pattern=sfn.ServiceIntegrationPattern.
WAIT_FOR_TASK_TOKEN,
payload=sfn.TaskInput.from_object({
'ExecutionInput':
sfn.TaskInput.from_context_at('$$.Execution.Input').value,
'ClusterConfiguration':
sfn.TaskInput.from_data_at(
cluster_configuration_path).value,
'TaskToken':
sfn.Context.task_token,
'CheckStatusLambda':
check_cluster_status_lambda.function_arn,
'RuleName':
event_rule.rule_name,
'FireAndForget':
not wait_for_cluster_start
})))
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
# The start of the image pipeline
imageBucket = aws_s3.Bucket(self, "imageBucket")
# Capture API activity with a trail
imageBucketTrail = aws_cloudtrail.Trail(self,
"imageBucketTrail",
is_multi_region_trail=False)
# Restrict to S3 data-plane events
imageBucketTrail.add_s3_event_selector(
include_management_events=False,
prefixes=[f"{imageBucket.bucket_arn}/"],
read_write_type=aws_cloudtrail.ReadWriteType.WRITE_ONLY)
# Filter to just PutObject and CopyObject events
imageBucketRule = aws_events.Rule(
self,
"imageBucketRule",
event_pattern={
"source": ["aws.s3"],
"detail": {
"eventSource": ["s3.amazonaws.com"],
"eventName": ["PutObject", "CopyObject"],
"requestParameters": {
"bucketName": [imageBucket.bucket_name]
}
}
})
#--
# Lambda Layers
#--------------------#
opencvLayer = aws_lambda.LayerVersion(
self,
'opencvLayer',
code=aws_lambda.AssetCode('layers/opencvLayer'),
compatible_runtimes=[aws_lambda.Runtime.PYTHON_3_6])
boto3Layer = aws_lambda.LayerVersion(
self,
'boto3Layer',
code=aws_lambda.AssetCode('layers/boto3Layer'),
compatible_runtimes=[aws_lambda.Runtime.PYTHON_3_6])
#--
# Lambda Functions
#--------------------#
# Gather info about an image, name, extension, etc
getImageInfoFunc = aws_lambda.Function(
self,
"getImageInfoFunc",
code=aws_lambda.AssetCode('functions/getImageInfoFunc'),
handler="lambda.handler",
runtime=aws_lambda.Runtime.PYTHON_3_6)
# The home for the website
webBucket = aws_s3.Bucket(self,
"webBucket",
website_index_document='index.html')
# Copy the image to the web bucket
copyImageFunc = aws_lambda.Function(
self,
"copyImageFunc",
code=aws_lambda.AssetCode('functions/copyImageFunc'),
handler="lambda.handler",
runtime=aws_lambda.Runtime.PYTHON_3_6,
layers=[boto3Layer],
environment={
'OUTPUTBUCKET': webBucket.bucket_name,
'OUTPUTPREFIX': 'images/'
})
# Grant permissions to read from the source and write to the desination
imageBucket.grant_read(copyImageFunc)
webBucket.grant_write(copyImageFunc)
# Create a thumbnail of the image and place in the web bucket
createThumbnailFunc = aws_lambda.Function(
self,
"createThumbnailFunc",
code=aws_lambda.AssetCode('functions/createThumbnailFunc'),
handler="lambda.handler",
runtime=aws_lambda.Runtime.PYTHON_3_6,
layers=[boto3Layer, opencvLayer],
timeout=core.Duration.seconds(10),
memory_size=256,
environment={
'OUTPUTBUCKET': webBucket.bucket_name,
'OUTPUTPREFIX': 'images/'
})
# Grant permissions to read from the source and write to the desination
imageBucket.grant_read(createThumbnailFunc)
webBucket.grant_write(createThumbnailFunc)
# Store page information
pageTable = aws_dynamodb.Table(
self,
'pageTable',
partition_key={
'name': 'pageName',
'type': aws_dynamodb.AttributeType.STRING
},
billing_mode=aws_dynamodb.BillingMode.PAY_PER_REQUEST,
stream=aws_dynamodb.StreamViewType.NEW_IMAGE)
# Save page and image information
updatePageInfoFunc = aws_lambda.Function(
self,
"updatePageInfoFunc",
code=aws_lambda.AssetCode('functions/updatePageInfoFunc'),
handler="lambda.handler",
runtime=aws_lambda.Runtime.PYTHON_3_6,
layers=[boto3Layer],
environment={
'PAGETABLE': pageTable.table_name,
'PAGEPREFIX': 'posts/'
})
# Grant permissions to write to the page table
pageTable.grant_write_data(updatePageInfoFunc)
imagePipelineDone = aws_stepfunctions.Succeed(self,
"Done processing image")
updatePageInfoJob = aws_stepfunctions.Task(
self,
'Update page info',
task=aws_stepfunctions_tasks.InvokeFunction(updatePageInfoFunc))
updatePageInfoJob.next(imagePipelineDone)
copyImageJob = aws_stepfunctions.Task(
self,
'Copy image',
task=aws_stepfunctions_tasks.InvokeFunction(copyImageFunc))
createThumbnailJob = aws_stepfunctions.Task(
self,
'Create thumbnail',
task=aws_stepfunctions_tasks.InvokeFunction(createThumbnailFunc))
# These tasks can be done in parallel
processImage = aws_stepfunctions.Parallel(self,
'Process image',
result_path="$.images")
processImage.branch(copyImageJob)
processImage.branch(createThumbnailJob)
processImage.next(updatePageInfoJob)
# Results of file extension check
notPng = aws_stepfunctions.Succeed(self, "Not a PNG")
# Verify the file extension
checkForPng = aws_stepfunctions.Choice(self, 'Is a PNG?')
checkForPng.when(
aws_stepfunctions.Condition.string_equals('$.extension', 'png'),
processImage)
checkForPng.otherwise(notPng)
# A single image pipeline job for testing
getImageInfoJob = aws_stepfunctions.Task(
self,
'Get image info',
task=aws_stepfunctions_tasks.InvokeFunction(getImageInfoFunc))
getImageInfoJob.next(checkForPng)
# Configure the image pipeline and starting state
imagePipeline = aws_stepfunctions.StateMachine(
self, "imagePipeline", definition=getImageInfoJob)
# Matching events start the image pipline
imageBucketRule.add_target(
aws_events_targets.SfnStateMachine(
imagePipeline,
input=aws_events.RuleTargetInput.from_event_path(
"$.detail.requestParameters")))
def test_emr_create_cluster_task():
default_task_json = {
'End': True,
'Parameters': {
'AdditionalInfo.$':
'$.ClusterConfiguration.Cluster.AdditionalInfo',
'AmiVersion.$':
'$.ClusterConfiguration.Cluster.AmiVersion',
'Applications.$':
'$.ClusterConfiguration.Cluster.Applications',
'AutoScalingRole.$':
'$.ClusterConfiguration.Cluster.AutoScalingRole',
'BootstrapActions.$':
'$.ClusterConfiguration.Cluster.BootstrapActions',
'Configurations.$':
'$.ClusterConfiguration.Cluster.Configurations',
'CustomAmiId.$':
'$.ClusterConfiguration.Cluster.CustomAmiId',
'EbsRootVolumeSize.$':
'$.ClusterConfiguration.Cluster.EbsRootVolumeSize',
'Instances': {
'AdditionalMasterSecurityGroups.$':
'$.ClusterConfiguration.Cluster.Instances.AdditionalMasterSecurityGroups',
'AdditionalSlaveSecurityGroups.$':
'$.ClusterConfiguration.Cluster.Instances.AdditionalSlaveSecurityGroups',
'Ec2KeyName.$':
'$.ClusterConfiguration.Cluster.Instances.Ec2KeyName',
'Ec2SubnetId.$':
'$.ClusterConfiguration.Cluster.Instances.Ec2SubnetId',
'Ec2SubnetIds.$':
'$.ClusterConfiguration.Cluster.Instances.Ec2SubnetIds',
'EmrManagedMasterSecurityGroup.$':
'$.ClusterConfiguration.Cluster.Instances.EmrManagedMasterSecurityGroup',
'EmrManagedSlaveSecurityGroup.$':
'$.ClusterConfiguration.Cluster.Instances.EmrManagedSlaveSecurityGroup',
'HadoopVersion.$':
'$.ClusterConfiguration.Cluster.Instances.HadoopVersion',
'InstanceCount.$':
'$.ClusterConfiguration.Cluster.Instances.InstanceCount',
'InstanceFleets.$':
'$.ClusterConfiguration.Cluster.Instances.InstanceFleets',
'InstanceGroups.$':
'$.ClusterConfiguration.Cluster.Instances.InstanceGroups',
'KeepJobFlowAliveWhenNoSteps':
True,
'MasterInstanceType.$':
'$.ClusterConfiguration.Cluster.Instances.MasterInstanceType',
'Placement.$':
'$.ClusterConfiguration.Cluster.Instances.Placement',
'ServiceAccessSecurityGroup.$':
'$.ClusterConfiguration.Cluster.Instances.ServiceAccessSecurityGroup',
'SlaveInstanceType.$':
'$.ClusterConfiguration.Cluster.Instances.SlaveInstanceType',
'TerminationProtected.$':
'$.ClusterConfiguration.Cluster.Instances.TerminationProtected'
},
'JobFlowRole.$':
'$.ClusterConfiguration.Cluster.JobFlowRole',
'KerberosAttributes.$':
'$.ClusterConfiguration.Cluster.KerberosAttributes',
'LogUri.$':
'$.ClusterConfiguration.Cluster.LogUri',
'ManagedScalingPolicy.$':
'$.ClusterConfiguration.Cluster.ManagedScalingPolicy',
'Name.$':
'$.ClusterConfiguration.Cluster.Name',
'NewSupportedProducts.$':
'$.ClusterConfiguration.Cluster.NewSupportedProducts',
'ReleaseLabel.$':
'$.ClusterConfiguration.Cluster.ReleaseLabel',
'RepoUpgradeOnBoot.$':
'$.ClusterConfiguration.Cluster.RepoUpgradeOnBoot',
'ScaleDownBehavior.$':
'$.ClusterConfiguration.Cluster.ScaleDownBehavior',
'SecurityConfiguration.$':
'$.ClusterConfiguration.Cluster.SecurityConfiguration',
'ServiceRole.$':
'$.ClusterConfiguration.Cluster.ServiceRole',
'StepConcurrencyLevel.$':
'$.ClusterConfiguration.Cluster.StepConcurrencyLevel',
'SupportedProducts.$':
'$.ClusterConfiguration.Cluster.SupportedProducts',
'Tags.$':
'$.ClusterConfiguration.Cluster.Tags',
'VisibleToAllUsers.$':
'$.ClusterConfiguration.Cluster.VisibleToAllUsers'
},
'Resource': {
'Fn::Join': [
'',
[
'arn:', {
'Ref': 'AWS::Partition'
}, ':states:::elasticmapreduce:createCluster.sync'
]
]
},
'Type': 'Task'
}
stack = core.Stack(core.App(), 'test-stack')
task = sfn.Task(
stack,
'test-task',
task=emr_tasks.EmrCreateClusterTask(
roles=emr_profile.EMRRoles(stack,
'test-emr-roles',
role_name_prefix='test-roles'),
cluster_configuration_path='$.ClusterConfiguration.Cluster',
))
print_and_assert(default_task_json, task)
