def __init__(
self,
scope: core.Construct,
id: str, # pylint: disable=redefined-builtin
lambda_notifications: aws_lambda.IFunction,
social_log_group: aws_logs.ILogGroup,
pagespeed_table: aws_dynamodb.ITable,
**kwargs) -> None:
super().__init__(scope, id, **kwargs)
api_lambda = get_lambda(
self,
id,
code='lib/stacks/{id}/{id}'.format(id=id),
handler='main.handler',
environment={
'CORS_ALLOW_ORIGIN': env['CORS_ALLOW_ORIGIN'],
'PUSHOVER_TOKEN': env['PUSHOVER_TOKEN'],
'PUSHOVER_USERKEY': env['PUSHOVER_USERKEY'],
'LAMBDA_FUNCTIONS_LOG_LEVEL': 'INFO',
'LAMBDA_NOTIFICATIONS': lambda_notifications.function_name,
'PAGESPEED_TABLE': pagespeed_table.table_name,
'REPORT_LOG_GROUP_NAME': social_log_group.log_group_name,
},
)
lambda_notifications.grant_invoke(api_lambda)
social_log_group.grant(api_lambda, "logs:GetLogEvents",
"logs:DescribeLogStreams")
pagespeed_table.grant_read_data(api_lambda)
cert = aws_certificatemanager.Certificate(
self,
'{}-certificate'.format(id),
domain_name=env['API_DOMAIN'],
)
domain = aws_apigateway.DomainNameOptions(
certificate=cert,
domain_name=env['API_DOMAIN'],
)
cors = aws_apigateway.CorsOptions(
allow_methods=['POST'],
allow_origins=[env['CORS_ALLOW_ORIGIN']]
if "CORS_ALLOW_ORIGIN" in env else aws_apigateway.Cors.ALL_ORIGINS)
aws_apigateway.LambdaRestApi(
self,
'%s-gateway' % id,
handler=api_lambda,
domain_name=domain,
default_cors_preflight_options=cors,
)
def __init__(self, scope: core.Construct, construct_id: str,
**kwargs) -> None:
super().__init__(scope, construct_id, **kwargs)
# The code that defines your stack goes here
# Sorry, it's late
toots_function = _lambda.Function(self,
"Toots Function",
runtime=_lambda.Runtime.NODEJS_12_X,
code=_lambda.Code.asset('lambda'),
handler="index.handler")
apigw.LambdaRestApi(self, 'Endpoint', handler=toots_function)
def __init__(self, scope: core.Construct, id: str,
handler: lambda_.Function, context: InfraContext,
**kwargs) -> None:
super().__init__(scope, id, **kwargs)
self.rest_api = a.LambdaRestApi(self,
id,
options=a.RestApiProps(),
handler=handler,
proxy=True,
description='Frontend proxy for ' +
handler.function_name)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
lambda_lith = _lambda.Function(
self,
"lambdalithHandler",
runtime=_lambda.Runtime.PYTHON_3_8,
handler="lambdalith.handler",
code=_lambda.Code.from_asset("lambda_fns/the_lambda_lith/flask"))
# defines an API Gateway REST API resource backed by our "lambda_lith" function.
api_gw.LambdaRestApi(self, 'LambdalithAPI', handler=lambda_lith)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
testLambda: _lambda.Function = FfmpegLambdaStack.cdkResourcesCreate(
self)
projectPolicy = FfmpegLambdaStack.createPolicy(self, testLambda)
apigw.LambdaRestApi(self,
'Endpoint',
handler=testLambda,
binary_media_types=['multipart/form-data'])
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
my_lambda = _lambda.Function(
self,
'CatFactsHandler',
runtime=_lambda.Runtime.PYTHON_3_7,
code=_lambda.Code.asset('lambda/deployment.zip'),
handler='cat_facts.handler',
)
apigw.LambdaRestApi(self, 'Endpoint', handler=my_lambda)
def __init__(self,
scope: core.Construct,
id: str,
stage: Optional[str] = 'prod',
**kwargs) -> None:
super().__init__(scope, id + '-' + stage, **kwargs)
acct_table_name = id + '-accounts-table-' + stage
acct_table = ddb.Table(self,
id=acct_table_name,
table_name=acct_table_name,
partition_key=ddb.Attribute(
name='id', type=ddb.AttributeType.STRING),
billing_mode=ddb.BillingMode.PAY_PER_REQUEST)
events_table_name = id + '-events-table-' + stage
events_table = ddb.Table(self,
id=events_table_name,
table_name=events_table_name,
partition_key=ddb.Attribute(
name='id', type=ddb.AttributeType.STRING),
billing_mode=ddb.BillingMode.PAY_PER_REQUEST,
stream=ddb.StreamViewType.NEW_IMAGE)
self._table_stream_arn = events_table.table_stream_arn
# create our Lambda function for the bank account service
func_name = id + '-' + stage + '-' + 'bank-accounts'
handler = lambda_.Function(
self,
func_name,
code=lambda_.Code.from_asset('bank_account_service'),
runtime=lambda_.Runtime.NODEJS_10_X,
handler='handler.handler',
environment={
'ACCOUNTS_TABLE_NAME': acct_table.table_name,
'EVENTS_TABLE_NAME': events_table.table_name,
'REGION': core.Aws.REGION
})
self._bank_account_service = handler
gw.LambdaRestApi(self, id=stage + '-' + id, handler=handler)
# give EventBridge permission to invoke this Lambda
handler.add_permission(
id='EBPermission',
principal=iam.ServicePrincipal('events.amazonaws.com'),
action='lambda:InvokeFunction')
acct_table.grant_read_write_data(handler.role)
events_table.grant_read_write_data(handler.role)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
lambda_function = lb.Function(self,
'helloworldfunction',
runtime=lb.Runtime.PYTHON_3_8,
code=lb.Code.asset('lambda'),
handler='hello.handler')
api_gateway = apigw.LambdaRestApi(self,
'helloworld',
handler=lambda_function,
rest_api_name='mylambdaapi')
def __init__(self, scope: core.Construct, construct_id: str,
**kwargs) -> None:
super().__init__(scope, construct_id, **kwargs)
# The code that defines your stack goes here
lambda_function = _lambda.Function(
self,
'Valhalla-Bot',
runtime=_lambda.Runtime.PYTHON_3_8,
code=_lambda.AssetCode('lambda'),
handler='app.handler',
)
apigw.LambdaRestApi(self, 'Endpoint', handler=lambda_function)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
handler = aws_lambda.Function(
self,
"cdk-lambda-apigateway",
runtime=aws_lambda.Runtime.PYTHON_3_7,
handler="api.main",
code=aws_lambda.AssetCode(path="./lambda"))
api = aws_apigateway.LambdaRestApi(self,
"LambdawithAPIGateway",
handler=handler)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
user_info_collecter = UserCollecter(
self,
'UserInfoCollecter',
)
apigw.LambdaRestApi(
self,
'Endpoint',
handler=user_info_collecter.handler,
)
def create_rest_apis(self) -> None:
'''Rest API Gateway integrations with Lambda
'''
self.rest_api_blog = aws_apigateway.LambdaRestApi(
self,
'sls-blog-rest-api-gateway',
handler=self.lambda_blog,
deploy_options=aws_apigateway.StageOptions(
stage_name='api',
throttling_rate_limit=self.lambda_param_max_concurrency,
logging_level=aws_apigateway.MethodLoggingLevel('INFO'),
),
)
def __init__(self, app: core.App, id: str, props, **kwargs) -> None:
super().__init__(app, id, **kwargs)
handler = lambda_.Function(
self, "UrlShortenerFunction",
code=aws_lambda.Code.asset("./lambda"),
handler="lambda_function.lambda_handler",
timeout=Duration.minutes(5),
runtime=aws_lambda.Runtime.PYTHON_3_7)
# define the API endpoint and associate the handler
api = apig.LambdaRestApi(
self, "IoTPgControlPlaneApi",
handler=handler)
def __init__(self, scope: core.Construct, id: str, demo_table: dynamodb.Table, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
bundling_options = core.BundlingOptions(
image=_lambda.Runtime.NODEJS_12_X.bundling_docker_image,
user="******",
command=[
'bash', '-c',
'cp /asset-input/* /asset-output/ && cd /asset-output && npm test'
]
)
source_code = _lambda.Code.from_asset(
'./lambda',
bundling=bundling_options
)
# create lambda function
web_lambda = _lambda.Function(
self,
"dynamo-lambda-function",
runtime=_lambda.Runtime.NODEJS_12_X,
handler="dynamoFunction.handler",
code=source_code,
environment=dict(
TABLE_NAME=demo_table.table_name
)
)
# grant permission to lambda to write to demo table
demo_table.grant_full_access(
web_lambda
)
codedeploy.LambdaDeploymentGroup(
self,
"web-lambda-deployment",
alias=web_lambda.current_version.add_alias("live"),
deployment_config=codedeploy.LambdaDeploymentConfig.ALL_AT_ONCE
)
gw = _apigw.LambdaRestApi(
self,
"Gateway",
handler=web_lambda,
description="Endpoint for a simple Lambda-powered web service"
)
# add an output with a well-known name to read it from the integ tests
self.gw_url = gw.url
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
# DynamoDB Table
# This is standing in for what is RDS on the diagram due to simpler/cheaper setup
table = dynamo_db.Table(self,
"Messages",
partition_key=dynamo_db.Attribute(
name="id",
type=dynamo_db.AttributeType.STRING))
# Queue Setup
sqs_queue = sqs.Queue(self,
'RDSPublishQueue',
visibility_timeout=core.Duration.seconds(300))
# defines an AWS Lambda resource to publish to our sqs_queue
sqs_publish_lambda = _lambda.Function(
self,
"SQSPublishLambdaHandler",
runtime=_lambda.Runtime.NODEJS_12_X, # execution environment
handler="lambda.handler", # file is "lambda", function is "handler"
code=_lambda.Code.from_asset(
"lambda_fns/publish"
), # Code loaded from the lambda_fns/publish dir
environment={'queueURL': sqs_queue.queue_url})
sqs_queue.grant_send_messages(sqs_publish_lambda)
# defines an AWS Lambda resource to pull from our sqs_queue
sqs_subscribe_lambda = _lambda.Function(
self,
"SQSSubscribeLambdaHandler",
runtime=_lambda.Runtime.NODEJS_12_X, # execution environment
handler="lambda.handler", # file is "lambda", function is "handler"
code=_lambda.Code.from_asset(
"lambda_fns/subscribe"
), # Code loaded from the lambda_fns/subscribe dir
environment={
'queueURL': sqs_queue.queue_url,
'tableName': table.table_name
},
reserved_concurrent_executions=2)
sqs_queue.grant_consume_messages(sqs_subscribe_lambda)
sqs_subscribe_lambda.add_event_source(
lambda_event.SqsEventSource(sqs_queue))
table.grant_read_write_data(sqs_subscribe_lambda)
# defines an API Gateway REST API resource backed by our "sqs_publish_lambda" function.
api_gw.LambdaRestApi(self, 'Endpoint', handler=sqs_publish_lambda)
def __init__(self, scope: Construct, construct_id: str, **kwargs) -> None:
super().__init__(scope, construct_id, **kwargs)
my_lambda = _lambda.Function(self,
'HelloHandler',
runtime=_lambda.Runtime.PYTHON_3_7,
code=_lambda.Code.from_asset('lambda'),
handler='hello.handler')
hello_with_counter = HitCounter(self,
'HelloHitCounter',
downstream=my_lambda)
apigw.LambdaRestApi(self,
'Endpoint',
handler=hello_with_counter._handler)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
# Defines an AWS Lambda resource
my_lambda = _lambda.Function(self,
'HelloHandler',
runtime=_lambda.Runtime.PYTHON_3_7,
code=_lambda.Code.asset('lambda'),
handler='hello.handler')
apigw.LambdaRestApi(
self,
'Endpoint',
handler=my_lambda,
)
def __init__(self, scope: cdk.Construct, construct_id: str,
**kwargs) -> None:
super().__init__(scope, construct_id, **kwargs)
lambda_func = lambda_.DockerImageFunction(
scope=self,
id="tso-lambda-function",
code=lambda_.DockerImageCode.from_image_asset(
directory="../docker"),
memory_size=3000,
timeout=core.Duration.seconds(60))
api = apigateway.LambdaRestApi(self,
"tso-apigateway",
handler=lambda_func)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
role_arn = 'arn:aws:iam::315207712355:role/lbrole'
role = iam.Role.from_role_arn(self, id='role_id', role_arn=role_arn)
# The code that defines your stack goes here
this_dir = path.dirname(__file__)
handler = lmb.Function(self,
'Handler',
runtime=lmb.Runtime.PYTHON_3_7,
role=role,
handler='handler.handler',
code=lmb.Code.from_asset(
path.join(this_dir, 'lambda')))
alias = lmb.Alias(self,
'HandlerAlias',
alias_name='Current',
version=handler.current_version)
gw = apigw.LambdaRestApi(
self,
'Gateway',
description='Endpoint for a simple Lambda-powered web service',
handler=alias)
failure_alarm = cloudwatch.Alarm(self,
'FailureAlarm',
metric=cloudwatch.Metric(
metric_name='5XXError',
namespace='AWS/ApiGateway',
dimensions={
'ApiName': 'Gateway',
},
statistic='Sum',
period=core.Duration.minutes(1)),
threshold=1,
evaluation_periods=1)
codedeploy.LambdaDeploymentGroup(
self,
'DeploymentGroup',
alias=alias,
deployment_config=codedeploy.LambdaDeploymentConfig.
CANARY_10_PERCENT_10_MINUTES,
alarms=[failure_alarm])
self.url_output = core.CfnOutput(self, 'Url', value=gw.url)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
# The code that defines your stack goes here
'''
v0.1
The below line, with only one line of code, will create a DynamoDB table that is name "url-shortener-table"
as well as having one defined attribute of type String call "id"
'''
table = aws_dynamodb.Table(self, "url-shortner-table",
partition_key=aws_dynamodb.Attribute(name="id", type=aws_dynamodb.AttributeType.STRING))
'''
v0.2
As we did previously with creating DynamoDB, we now create a Lambda function.
Please take note of the following:
* the "runtime" is defined from the static class aws_lambda.Runtime.<Runtime>
* the handler is referencing the function "main" in the handler.py file
* Code refers to the bundling of code assets from the entire directory ./lambda
'''
function = aws_lambda.Function(self, 'backend',
runtime=aws_lambda.Runtime.PYTHON_3_7,
handler='handler.main',
code=aws_lambda.Code.asset('./lambda'))
'''
v0.3
The following creates the tie in between the lambda function and the dynamodb table by granting read and write
permissions to the function on the table itself
this also involves injecting environment variables - please refer to the file handler.py to see where the
environment variable is used
'''
# create the tie in between the lambda function and the DynamoDB table
table.grant_read_write_data(function)
# add the environment variable for the function to consume
function.add_environment("TABLE_NAME", table.table_name)
# create the API Gateway
'''
v0.4
The following is the entirety of the construct of creating the API Gateway and having it front the previously
created lambda function
'''
api = aws_apigateway.LambdaRestApi(self, 'api', handler=function)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
this_dir = path.dirname(__file__)
handler = lmb.Function(self, 'Handler',
runtime=lmb.Runtime.PYTHON_3_8,
handler='handler.handler',
code=lmb.Code.from_asset(path.join(this_dir, 'lambda')))
gw = apigw.LambdaRestApi(self, 'Gateway',
description='Endpoint for a simple Lambda-powered web service',
handler=handler.current_version)
self.url_output = core.CfnOutput(self, 'Url',
value=gw.url)
def __init__(self, scope: core.Construct, id: str,
lambda_echo: aws_lambda.Function, common_stack: CommonStack,
**kwargs) -> None:
super().__init__(scope, id, **kwargs)
self._supported_in_region = self.is_service_supported_in_region()
endpoint = aws_apigateway.LambdaRestApi(self,
"endpoint",
handler=lambda_echo)
self._parameters_to_save = {"endpointURL": endpoint.url}
self.save_parameters_in_parameter_store(platform=Platform.IOS)
common_stack.add_to_common_role_policies(self)
def create_apigateway(self):
apig = aws_apigateway.LambdaRestApi(self,
API_NAME,
handler=self.apig_handler,
proxy=False,
deploy=True)
users = apig.root.add_resource("users")
users.add_method("GET")
user = apig.root.add_resource("{userId}")
user.add_method("GET")
user.add_method("POST")
user.add_method("DELETE")
self.apig = apig
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
my_lambda = _lambda.Function(
self,
'vlan-game',
runtime=_lambda.Runtime.PYTHON_3_7,
code=_lambda.Code.asset('src'),
handler='game',
)
apigw.LambdaRestApi(
self,
'Endpoint',
handler=my_lambda,
)
def __init__(self, scope: Construct, id: str, **kwarg) -> None:
super().__init__(scope, id, **kwarg)
# define the table that maps short codes to URLs.
table = aws_dynamodb.Table(self, "Table",
partition_key=aws_dynamodb.Attribute(
name="id",
type=aws_dynamodb.AttributeType.STRING),
read_capacity=10,
write_capacity=5)
# define the API gateway request handler. all API requests will go to the same function.
handler = aws_lambda.Function(self, "UrlShortenerFunction",
code=aws_lambda.Code.asset("./lambda"),
handler="handler.main",
timeout=Duration.minutes(5),
runtime=aws_lambda.Runtime.PYTHON_3_7)
# generate the topic to publish to
topic = aws_sns.Topic(self, "Topic", display_name="Url created topic")
topic.add_subscription(aws_sns_subscriptions.EmailSubscription("*****@*****.**"))
# pass the table name to the handler through an environment variable and grant
# the handler read/write permissions on the table.
handler.add_environment('TABLE_NAME', table.table_name)
handler.add_environment('TOPIC_ARN', topic.topic_arn)
table.grant_read_write_data(handler)
topic.grant_publish(handler)
# define the API endpoint and associate the handler
api = aws_apigateway.LambdaRestApi(self, "UrlShortenerApi", handler=handler)
# define the static website hosting
frontendBucket = aws_s3.Bucket(self, "UrlShortenerWebsiteBucket",
public_read_access=True,
removal_policy=core.RemovalPolicy.DESTROY,
website_index_document="index.html")
deployment = aws_s3_deployment.BucketDeployment(self, "deployStaticWebsite",
sources=[aws_s3_deployment.Source.asset("./frontend")],
destination_bucket=frontendBucket)
# define a Watchful monitoring system and watch the entire scope
# this will automatically find all watchable resources and add
# them to our dashboard
wf = Watchful(self, 'watchful', alarm_email='*****@*****.**')
wf.watch_scope(self)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
lambda_function = lb.Function(self,
'streamlinkerfunction',
runtime=lb.Runtime.PYTHON_3_8,
code=lb.Code.asset('lambda'),
handler='streamlinker.handler',
timeout=core.Duration.seconds(30))
api_gateway = apigw.LambdaRestApi(
self,
'streamlinker',
handler=lambda_function,
rest_api_name='streamlinkerapi',
default_cors_preflight_options=apigw.CorsOptions(
allow_origins=apigw.Cors.ALL_ORIGINS))
def __init__(self, scope: core.Construct, id: str, *, alarm_email: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
functions_path = os.path.join(os.path.dirname(__file__), '../lambda')
backend = _lambda.Function(self,
'BackendFunction',
handler='backend.handler',
runtime=_lambda.Runtime.PYTHON_3_7,
code=_lambda.Code.from_asset(functions_path))
hit_count_handler = HitCounter(self, 'HitCountHandler', downstream_function=backend).handler
desc = 'A simple example REST API backed by lambda using CDK'
api = _apigw.LambdaRestApi(self,
'RestApi',
handler=hit_count_handler,
description=desc)
watch = Watchful(self, 'my-monitoring', alarm_email=alarm_email)
watch.watch_scope(self)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
###
# We have 3 separate lambda functions, all coming from separate files
###
add_lambda = _lambda.Function(
self,
"addLambdaHandler",
runtime=_lambda.Runtime.PYTHON_3_8,
handler="add.handler",
code=_lambda.Code.from_asset(
"lambda_fns/the_single_purpose_function"))
subtract_lambda = _lambda.Function(
self,
"subtractLambdaHandler",
runtime=_lambda.Runtime.PYTHON_3_8,
handler="subtract.handler",
code=_lambda.Code.from_asset(
"lambda_fns/the_single_purpose_function"))
multiply_lambda = _lambda.Function(
self,
"multiplyLambdaHandler",
runtime=_lambda.Runtime.PYTHON_3_8,
handler="multiply.handler",
code=_lambda.Code.from_asset(
"lambda_fns/the_single_purpose_function"))
###
# All functions have their own endpoint defined on our gateway
##
api = api_gw.LambdaRestApi(self,
'singlePurposeFunctionAPI',
handler=add_lambda,
proxy=False)
api.root.resource_for_path('add').add_method(
'GET', api_gw.LambdaIntegration(add_lambda))
api.root.resource_for_path('subtract').add_method(
'GET', api_gw.LambdaIntegration(subtract_lambda))
api.root.resource_for_path('multiply').add_method(
'GET', api_gw.LambdaIntegration(multiply_lambda))
def __init__(self, scope: cdk.Construct, construct_id: str,
**kwargs) -> None:
super().__init__(scope, construct_id, **kwargs)
my_lambda = _lambda.Function(
self,
'HelloHandler',
runtime=_lambda.Runtime.PYTHON_3_7,
code=_lambda.Code.asset('lambda'),
handler='hello.handler',
)
apigw.LambdaRestApi(
self,
'Endpoint',
handler=my_lambda,
)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
hello_lambda = _lambda.Function(
self,
'HelloHandler',
runtime=_lambda.Runtime.PYTHON_3_7,
code=_lambda.Code.asset('lambda'),
handler='hello.handler',
)
apigw.LambdaRestApi(
self,
'PycdkStackEndpoint',
handler=hello_lambda,
endpoint_types=[apigw.EndpointType.REGIONAL],
)