def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
# Get stack parameters: email and repo address
notification_email = core.CfnParameter(
self,
"Email Address",
type="String",
description="Specify an email to receive notifications about pipeline outcomes.",
allowed_pattern="^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$",
min_length=5,
max_length=320,
constraint_description="Please enter an email address with correct format ([email protected])",
)
git_address = core.CfnParameter(
self,
"CodeCommit Repo Address",
type="String",
description="AWS CodeCommit repository clone URL to connect to the framework.",
allowed_pattern=(
"^(((https:\/\/|ssh:\/\/)(git\-codecommit)\.[a-zA-Z0-9_.+-]+(amazonaws\.com\/)[a-zA-Z0-9-.]"
"+(\/)[a-zA-Z0-9-.]+(\/)[a-zA-Z0-9-.]+$)|^$)"
),
min_length=0,
max_length=320,
constraint_description=(
"CodeCommit address must follow the pattern: ssh or "
"https://git-codecommit.REGION.amazonaws.com/version/repos/REPONAME"
),
)
# Get the optional S3 assets bucket to use
existing_bucket = core.CfnParameter(
self,
"ExistingS3Bucket",
type="String",
description="Name of existing S3 bucket to be used for ML assests. S3 Bucket must be in the same region as the deployed stack, and has versioning enabled. If not provided, a new S3 bucket will be created.",
allowed_pattern="((?=^.{3,63}$)(?!^(\d+\.)+\d+$)(^(([a-z0-9]|[a-z0-9][a-z0-9\-]*[a-z0-9])\.)*([a-z0-9]|[a-z0-9][a-z0-9\-]*[a-z0-9])$)|^$)",
min_length=0,
max_length=63,
)
# Conditions
git_address_provided = core.CfnCondition(
self,
"GitAddressProvided",
expression=core.Fn.condition_not(core.Fn.condition_equals(git_address, "")),
)
# client provided an existing S3 bucket name, to be used for assets
existing_bucket_provided = core.CfnCondition(
self,
"S3BucketProvided",
expression=core.Fn.condition_not(core.Fn.condition_equals(existing_bucket.value_as_string.strip(), "")),
)
# S3 bucket needs to be created for assets
create_new_bucket = core.CfnCondition(
self,
"CreateS3Bucket",
expression=core.Fn.condition_equals(existing_bucket.value_as_string.strip(), ""),
)
# Constants
pipeline_stack_name = "MLOps-pipeline"
# CDK Resources setup
access_logs_bucket = s3.Bucket(
self,
"accessLogs",
encryption=s3.BucketEncryption.S3_MANAGED,
block_public_access=s3.BlockPublicAccess.BLOCK_ALL,
)
# Apply secure transfer bucket policy
apply_secure_bucket_policy(access_logs_bucket)
# This is a logging bucket.
access_logs_bucket.node.default_child.cfn_options.metadata = suppress_s3_access_policy()
# Import user provide S3 bucket, if any. s3.Bucket.from_bucket_arn is used instead of s3.Bucket.from_bucket_name to allow cross account bucket.
client_existing_bucket = s3.Bucket.from_bucket_arn(
self,
"ClientExistingBucket",
f"arn:aws:s3:::{existing_bucket.value_as_string.strip()}",
)
# Create the resource if existing_bucket_provided condition is True
core.Aspects.of(client_existing_bucket).add(ConditionalResources(existing_bucket_provided))
# Creating assets bucket so that users can upload ML Models to it.
assets_bucket = s3.Bucket(
self,
"pipeline-assets-" + str(uuid.uuid4()),
versioned=True,
encryption=s3.BucketEncryption.S3_MANAGED,
server_access_logs_bucket=access_logs_bucket,
server_access_logs_prefix="assets_bucket_access_logs",
block_public_access=s3.BlockPublicAccess.BLOCK_ALL,
)
# Apply secure transport bucket policy
apply_secure_bucket_policy(assets_bucket)
# Create the resource if create_new_bucket condition is True
core.Aspects.of(assets_bucket).add(ConditionalResources(create_new_bucket))
# Get assets S3 bucket's name/arn, based on the condition
assets_s3_bucket_name = core.Fn.condition_if(
existing_bucket_provided.logical_id,
client_existing_bucket.bucket_name,
assets_bucket.bucket_name,
).to_string()
blueprints_bucket_name = "blueprint-repository-" + str(uuid.uuid4())
blueprint_repository_bucket = s3.Bucket(
self,
blueprints_bucket_name,
encryption=s3.BucketEncryption.S3_MANAGED,
server_access_logs_bucket=access_logs_bucket,
server_access_logs_prefix=blueprints_bucket_name,
block_public_access=s3.BlockPublicAccess.BLOCK_ALL,
)
# Apply secure transport bucket policy
apply_secure_bucket_policy(blueprint_repository_bucket)
# Custom resource to copy source bucket content to blueprints bucket
custom_resource_lambda_fn = lambda_.Function(
self,
"CustomResourceLambda",
code=lambda_.Code.from_asset("lambdas/custom_resource"),
handler="index.on_event",
runtime=lambda_.Runtime.PYTHON_3_8,
environment={
"source_bucket": "https://%%BUCKET_NAME%%-"
+ core.Aws.REGION
+ ".s3.amazonaws.com/%%SOLUTION_NAME%%/%%VERSION%%",
"destination_bucket": blueprint_repository_bucket.bucket_name,
"LOG_LEVEL": "INFO",
},
timeout=core.Duration.seconds(60),
)
custom_resource_lambda_fn.node.default_child.cfn_options.metadata = {
"cfn_nag": {
"rules_to_suppress": [
{
"id": "W58",
"reason": "The lambda functions role already has permissions to write cloudwatch logs",
}
]
}
}
blueprint_repository_bucket.grant_write(custom_resource_lambda_fn)
custom_resource = core.CustomResource(
self,
"CustomResourceCopyAssets",
service_token=custom_resource_lambda_fn.function_arn,
)
custom_resource.node.add_dependency(blueprint_repository_bucket)
# IAM policies setup ###
cloudformation_role = iam.Role(
self,
"mlopscloudformationrole",
assumed_by=iam.ServicePrincipal("cloudformation.amazonaws.com"),
)
# Cloudformation policy setup
orchestrator_policy = iam.Policy(
self,
"lambdaOrchestratorPolicy",
statements=[
iam.PolicyStatement(
actions=[
"cloudformation:CreateStack",
"cloudformation:DeleteStack",
"cloudformation:UpdateStack",
"cloudformation:ListStackResources",
],
resources=[
(
f"arn:{core.Aws.PARTITION}:cloudformation:{core.Aws.REGION}:"
f"{core.Aws.ACCOUNT_ID}:stack/{pipeline_stack_name}*/*"
),
],
),
iam.PolicyStatement(
actions=[
"iam:CreateRole",
"iam:DeleteRole",
"iam:DeleteRolePolicy",
"iam:GetRole",
"iam:GetRolePolicy",
"iam:PassRole",
"iam:PutRolePolicy",
"iam:AttachRolePolicy",
"iam:DetachRolePolicy",
],
resources=[f"arn:{core.Aws.PARTITION}:iam::{core.Aws.ACCOUNT_ID}:role/{pipeline_stack_name}*"],
),
iam.PolicyStatement(
actions=[
"ecr:CreateRepository",
"ecr:DeleteRepository",
"ecr:DescribeRepositories",
],
resources=[
(
f"arn:{core.Aws.PARTITION}:ecr:{core.Aws.REGION}:"
f"{core.Aws.ACCOUNT_ID}:repository/awsmlopsmodels*"
)
],
),
iam.PolicyStatement(
actions=[
"codebuild:CreateProject",
"codebuild:DeleteProject",
"codebuild:BatchGetProjects",
],
resources=[
(
f"arn:{core.Aws.PARTITION}:codebuild:{core.Aws.REGION}:"
f"{core.Aws.ACCOUNT_ID}:project/ContainerFactory*"
),
(
f"arn:{core.Aws.PARTITION}:codebuild:{core.Aws.REGION}:"
f"{core.Aws.ACCOUNT_ID}:project/VerifySagemaker*"
),
(
f"arn:{core.Aws.PARTITION}:codebuild:{core.Aws.REGION}:"
f"{core.Aws.ACCOUNT_ID}:report-group/*"
),
],
),
iam.PolicyStatement(
actions=[
"lambda:CreateFunction",
"lambda:DeleteFunction",
"lambda:InvokeFunction",
"lambda:PublishLayerVersion",
"lambda:DeleteLayerVersion",
"lambda:GetLayerVersion",
"lambda:GetFunctionConfiguration",
"lambda:GetFunction",
"lambda:AddPermission",
"lambda:RemovePermission",
"lambda:UpdateFunctionConfiguration",
],
resources=[
f"arn:{core.Aws.PARTITION}:lambda:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:layer:*",
f"arn:{core.Aws.PARTITION}:lambda:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:function:*",
],
),
iam.PolicyStatement(
actions=["s3:GetObject"],
resources=[
blueprint_repository_bucket.bucket_arn,
blueprint_repository_bucket.arn_for_objects("*"),
f"arn:{core.Aws.PARTITION}:s3:::{assets_s3_bucket_name}/*",
],
),
iam.PolicyStatement(
actions=[
"codepipeline:CreatePipeline",
"codepipeline:DeletePipeline",
"codepipeline:GetPipeline",
"codepipeline:GetPipelineState",
],
resources=[
(
f"arn:{core.Aws.PARTITION}:codepipeline:{core.Aws.REGION}:"
f"{core.Aws.ACCOUNT_ID}:{pipeline_stack_name}*"
)
],
),
iam.PolicyStatement(
actions=[
"apigateway:POST",
"apigateway:PATCH",
"apigateway:DELETE",
"apigateway:GET",
"apigateway:PUT",
],
resources=[
f"arn:{core.Aws.PARTITION}:apigateway:{core.Aws.REGION}::/restapis/*",
f"arn:{core.Aws.PARTITION}:apigateway:{core.Aws.REGION}::/restapis",
f"arn:{core.Aws.PARTITION}:apigateway:{core.Aws.REGION}::/account",
f"arn:{core.Aws.PARTITION}:apigateway:{core.Aws.REGION}::/usageplans",
f"arn:{core.Aws.PARTITION}:apigateway:{core.Aws.REGION}::/usageplans/*",
],
),
iam.PolicyStatement(
actions=[
"logs:CreateLogGroup",
"logs:DescribeLogGroups",
],
resources=[
f"arn:{core.Aws.PARTITION}:logs:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:log-group:*",
],
),
iam.PolicyStatement(
actions=[
"s3:CreateBucket",
"s3:PutEncryptionConfiguration",
"s3:PutBucketVersioning",
"s3:PutBucketPublicAccessBlock",
"s3:PutBucketLogging",
],
resources=["arn:" + core.Aws.PARTITION + ":s3:::*"],
),
iam.PolicyStatement(
actions=[
"sns:CreateTopic",
"sns:DeleteTopic",
"sns:Subscribe",
"sns:Unsubscribe",
"sns:GetTopicAttributes",
"sns:SetTopicAttributes",
],
resources=[
(
f"arn:{core.Aws.PARTITION}:sns:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:"
f"{pipeline_stack_name}*-PipelineNotification*"
),
(
f"arn:{core.Aws.PARTITION}:sns:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:"
f"{pipeline_stack_name}*-ModelMonitorPipelineNotification*"
),
],
),
iam.PolicyStatement(
actions=[
"events:PutRule",
"events:DescribeRule",
"events:PutTargets",
"events:RemoveTargets",
"events:DeleteRule",
"events:PutEvents",
],
resources=[
f"arn:{core.Aws.PARTITION}:events:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:rule/*",
f"arn:{core.Aws.PARTITION}:events:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:event-bus/*",
],
),
],
)
orchestrator_policy.attach_to_role(cloudformation_role)
# Lambda function IAM setup
lambda_passrole_policy = iam.PolicyStatement(actions=["iam:passrole"], resources=[cloudformation_role.role_arn])
# API Gateway and lambda setup to enable provisioning pipelines through API calls
provisioner_apigw_lambda = aws_apigateway_lambda.ApiGatewayToLambda(
self,
"PipelineOrchestration",
lambda_function_props={
"runtime": lambda_.Runtime.PYTHON_3_8,
"handler": "index.handler",
"code": lambda_.Code.from_asset("lambdas/pipeline_orchestration"),
},
api_gateway_props={
"defaultMethodOptions": {
"authorizationType": apigw.AuthorizationType.IAM,
},
"restApiName": f"{core.Aws.STACK_NAME}-orchestrator",
"proxy": False,
"dataTraceEnabled": True,
},
)
provision_resource = provisioner_apigw_lambda.api_gateway.root.add_resource("provisionpipeline")
provision_resource.add_method("POST")
status_resource = provisioner_apigw_lambda.api_gateway.root.add_resource("pipelinestatus")
status_resource.add_method("POST")
blueprint_repository_bucket.grant_read(provisioner_apigw_lambda.lambda_function)
provisioner_apigw_lambda.lambda_function.add_to_role_policy(lambda_passrole_policy)
orchestrator_policy.attach_to_role(provisioner_apigw_lambda.lambda_function.role)
provisioner_apigw_lambda.lambda_function.add_to_role_policy(
iam.PolicyStatement(actions=["xray:PutTraceSegments"], resources=["*"])
)
lambda_node = provisioner_apigw_lambda.lambda_function.node.default_child
lambda_node.cfn_options.metadata = {
"cfn_nag": {
"rules_to_suppress": [
{
"id": "W12",
"reason": "The xray permissions PutTraceSegments is not able to be bound to resources.",
}
]
}
}
# Environment variables setup
provisioner_apigw_lambda.lambda_function.add_environment(
key="BLUEPRINT_BUCKET_URL",
value=str(blueprint_repository_bucket.bucket_regional_domain_name),
)
provisioner_apigw_lambda.lambda_function.add_environment(
key="BLUEPRINT_BUCKET", value=str(blueprint_repository_bucket.bucket_name)
)
provisioner_apigw_lambda.lambda_function.add_environment(
key="ACCESS_BUCKET", value=str(access_logs_bucket.bucket_name)
)
provisioner_apigw_lambda.lambda_function.add_environment(key="ASSETS_BUCKET", value=str(assets_s3_bucket_name))
provisioner_apigw_lambda.lambda_function.add_environment(
key="CFN_ROLE_ARN", value=str(cloudformation_role.role_arn)
)
provisioner_apigw_lambda.lambda_function.add_environment(key="PIPELINE_STACK_NAME", value=pipeline_stack_name)
provisioner_apigw_lambda.lambda_function.add_environment(
key="NOTIFICATION_EMAIL", value=notification_email.value_as_string
)
provisioner_apigw_lambda.lambda_function.add_environment(key="LOG_LEVEL", value="DEBUG")
cfn_policy_for_lambda = orchestrator_policy.node.default_child
cfn_policy_for_lambda.cfn_options.metadata = {
"cfn_nag": {
"rules_to_suppress": [
{
"id": "W76",
"reason": "A complex IAM policy is required for this resource.",
}
]
}
}
# Codepipeline with Git source definitions ###
source_output = codepipeline.Artifact()
# processing git_address to retrieve repo name
repo_name_split = core.Fn.split("/", git_address.value_as_string)
repo_name = core.Fn.select(5, repo_name_split)
# getting codecommit repo cdk object using 'from_repository_name'
repo = codecommit.Repository.from_repository_name(self, "AWSMLOpsFrameworkRepository", repo_name)
codebuild_project = codebuild.PipelineProject(
self,
"Take config file",
build_spec=codebuild.BuildSpec.from_object(
{
"version": "0.2",
"phases": {
"build": {
"commands": [
"ls -a",
"aws lambda invoke --function-name "
+ provisioner_apigw_lambda.lambda_function.function_name
+ " --payload fileb://mlops-config.json response.json"
+ " --invocation-type RequestResponse",
]
}
},
}
),
)
# Defining a Codepipeline project with CodeCommit as source
codecommit_pipeline = codepipeline.Pipeline(
self,
"MLOpsCodeCommitPipeline",
stages=[
codepipeline.StageProps(
stage_name="Source",
actions=[
codepipeline_actions.CodeCommitSourceAction(
action_name="CodeCommit",
repository=repo,
branch="main",
output=source_output,
)
],
),
codepipeline.StageProps(
stage_name="TakeConfig",
actions=[
codepipeline_actions.CodeBuildAction(
action_name="provision_pipeline",
input=source_output,
outputs=[],
project=codebuild_project,
)
],
),
],
cross_account_keys=False,
)
codecommit_pipeline.add_to_role_policy(
iam.PolicyStatement(
actions=["lambda:InvokeFunction"],
resources=[provisioner_apigw_lambda.lambda_function.function_arn],
)
)
codebuild_project.add_to_role_policy(
iam.PolicyStatement(
actions=["lambda:InvokeFunction"],
resources=[provisioner_apigw_lambda.lambda_function.function_arn],
)
)
pipeline_child_nodes = codecommit_pipeline.node.find_all()
pipeline_child_nodes[1].node.default_child.cfn_options.metadata = {
"cfn_nag": {
"rules_to_suppress": [
{
"id": "W35",
"reason": "This is a managed bucket generated by CDK for codepipeline.",
},
{
"id": "W51",
"reason": "This is a managed bucket generated by CDK for codepipeline.",
},
]
}
}
# custom resource for operational metrics###
metricsMapping = core.CfnMapping(self, "AnonymousData", mapping={"SendAnonymousData": {"Data": "Yes"}})
metrics_condition = core.CfnCondition(
self,
"AnonymousDatatoAWS",
expression=core.Fn.condition_equals(metricsMapping.find_in_map("SendAnonymousData", "Data"), "Yes"),
)
helper_function = lambda_.Function(
self,
"SolutionHelper",
code=lambda_.Code.from_asset("lambdas/solution_helper"),
handler="lambda_function.handler",
runtime=lambda_.Runtime.PYTHON_3_8,
timeout=core.Duration.seconds(60),
)
createIdFunction = core.CustomResource(
self,
"CreateUniqueID",
service_token=helper_function.function_arn,
properties={"Resource": "UUID"},
resource_type="Custom::CreateUUID",
)
sendDataFunction = core.CustomResource(
self,
"SendAnonymousData",
service_token=helper_function.function_arn,
properties={
"Resource": "AnonymousMetric",
"UUID": createIdFunction.get_att_string("UUID"),
"gitSelected": git_address.value_as_string,
"Region": core.Aws.REGION,
"SolutionId": "SO0136",
"Version": "%%VERSION%%",
},
resource_type="Custom::AnonymousData",
)
core.Aspects.of(helper_function).add(ConditionalResources(metrics_condition))
core.Aspects.of(createIdFunction).add(ConditionalResources(metrics_condition))
core.Aspects.of(sendDataFunction).add(ConditionalResources(metrics_condition))
helper_function.node.default_child.cfn_options.metadata = {
"cfn_nag": {
"rules_to_suppress": [
{
"id": "W58",
"reason": "The lambda functions role already has permissions to write cloudwatch logs",
}
]
}
}
# If user chooses Git as pipeline provision type, create codepipeline with Git repo as source
core.Aspects.of(repo).add(ConditionalResources(git_address_provided))
core.Aspects.of(codecommit_pipeline).add(ConditionalResources(git_address_provided))
core.Aspects.of(codebuild_project).add(ConditionalResources(git_address_provided))
# Create Template Interface
self.template_options.metadata = {
"AWS::CloudFormation::Interface": {
"ParameterGroups": [
{
"Label": {"default": "MLOps Framework Settings"},
"Parameters": [
notification_email.logical_id,
git_address.logical_id,
existing_bucket.logical_id,
],
}
],
"ParameterLabels": {
f"{notification_email.logical_id}": {"default": "Notification Email (Required)"},
f"{git_address.logical_id}": {"default": "CodeCommit Repo URL Address (Optional)"},
f"{existing_bucket.logical_id}": {"default": "Name of an Existing S3 Bucket (Optional)"},
},
}
}
# Outputs #
core.CfnOutput(
self,
id="BlueprintsBucket",
value=f"https://s3.console.aws.amazon.com/s3/buckets/{blueprint_repository_bucket.bucket_name}",
description="S3 Bucket to upload MLOps Framework Blueprints",
)
core.CfnOutput(
self,
id="AssetsBucket",
value=f"https://s3.console.aws.amazon.com/s3/buckets/{assets_s3_bucket_name}",
description="S3 Bucket to upload model artifact",
)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
# Get stack parameters: email and repo address
notification_email = core.CfnParameter(
self,
"Email Address",
type="String",
description=
"Specify an email to receive notifications about pipeline outcomes.",
allowed_pattern='^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$',
min_length=5,
max_length=320,
constraint_description=
"Please enter an email address with correct format ([email protected])"
)
git_address = core.CfnParameter(
self,
"CodeCommit Repo Address",
type="String",
description=
"AWS CodeCommit repository clone URL to connect to the framework.",
allowed_pattern=
'^(((https:\/\/|ssh:\/\/)(git\-codecommit)\.[a-zA-Z0-9_.+-]+(amazonaws\.com\/)[a-zA-Z0-9-.]+(\/)[a-zA-Z0-9-.]+(\/)[a-zA-Z0-9-.]+$)|)',
min_length=0,
max_length=320,
constraint_description=
"CodeCommit address must follow the pattern: ssh or https://git-codecommit.REGION.amazonaws.com/version/repos/REPONAME"
)
# Conditions
git_address_provided = core.CfnCondition(
self,
"GitAddressProvided",
expression=core.Fn.condition_not(
core.Fn.condition_equals(git_address, "")),
)
# Constants
pipeline_stack_name = "MLOps-pipeline"
# CDK Resources setup
access_logs_bucket = s3.Bucket(
self,
"accessLogs",
encryption=s3.BucketEncryption.S3_MANAGED,
block_public_access=s3.BlockPublicAccess.BLOCK_ALL)
access_logs_bucket.node.default_child.cfn_options.metadata = {
"cfn_nag": {
"rules_to_suppress": [
{
"id": "W35",
"reason": "This is the access bucket."
},
{
"id": "W51",
"reason":
"This S3 bucket does not need a bucket policy.",
},
]
}
}
source_bucket = s3.Bucket.from_bucket_name(self, "BucketByName",
"%%BUCKET_NAME%%")
blueprints_bucket_name = "blueprint-repository-" + str(uuid.uuid4())
blueprint_repository_bucket = s3.Bucket(
self,
blueprints_bucket_name,
encryption=s3.BucketEncryption.S3_MANAGED,
server_access_logs_bucket=access_logs_bucket,
server_access_logs_prefix=blueprints_bucket_name,
block_public_access=s3.BlockPublicAccess.BLOCK_ALL)
blueprint_repository_bucket.node.default_child.cfn_options.metadata = {
"cfn_nag": {
"rules_to_suppress": [{
"id":
"W51",
"reason":
"This S3 bucket does not need a bucket policy. All access to this bucket is restricted by IAM (CDK grant_read method)",
}]
}
}
# Custom resource to copy source bucket content to blueprints bucket
custom_resource_lambda_fn = lambda_.Function(
self,
"CustomResourceLambda",
code=lambda_.Code.from_asset("lambdas/custom_resource"),
handler="index.on_event",
runtime=lambda_.Runtime.PYTHON_3_8,
environment={
"source_bucket": "https://%%BUCKET_NAME%%-" + core.Aws.REGION +
".s3.amazonaws.com/%%SOLUTION_NAME%%/%%VERSION%%",
"destination_bucket": blueprint_repository_bucket.bucket_name,
"LOG_LEVEL": "INFO",
},
timeout=core.Duration.seconds(60),
)
custom_resource_lambda_fn.node.default_child.cfn_options.metadata = {
"cfn_nag": {
"rules_to_suppress": [{
"id":
"W58",
"reason":
"The lambda functions role already has permissions to write cloudwatch logs",
}]
}
}
blueprint_repository_bucket.grant_write(custom_resource_lambda_fn)
custom_resource = core.CustomResource(
self,
"CustomResourceCopyAssets",
service_token=custom_resource_lambda_fn.function_arn,
)
custom_resource.node.add_dependency(blueprint_repository_bucket)
### IAM policies setup ###
cloudformation_role = iam.Role(
self,
"mlopscloudformationrole",
assumed_by=iam.ServicePrincipal("cloudformation.amazonaws.com"),
)
# Cloudformation policy setup
orchestrator_policy = iam.Policy(
self,
"lambdaOrchestratorPolicy",
statements=[
iam.PolicyStatement(
actions=[
"cloudformation:CreateStack",
"cloudformation:DeleteStack",
"cloudformation:UpdateStack",
"cloudformation:ListStackResources",
],
resources=[
f"arn:{core.Aws.PARTITION}:cloudformation:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:stack/{pipeline_stack_name}*/*",
],
),
iam.PolicyStatement(
actions=[
"iam:CreateRole",
"iam:DeleteRole",
"iam:DeleteRolePolicy",
"iam:GetRole",
"iam:GetRolePolicy",
"iam:PassRole",
"iam:PutRolePolicy",
"iam:AttachRolePolicy",
"iam:DetachRolePolicy",
],
resources=[
f"arn:{core.Aws.PARTITION}:iam::{core.Aws.ACCOUNT_ID}:role/{pipeline_stack_name}*"
],
),
iam.PolicyStatement(
actions=[
"ecr:CreateRepository",
"ecr:DeleteRepository",
"ecr:DescribeRepositories",
],
resources=[
f"arn:{core.Aws.PARTITION}:ecr:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:repository/awsmlopsmodels*"
],
),
iam.PolicyStatement(
actions=[
"codebuild:CreateProject",
"codebuild:DeleteProject",
"codebuild:BatchGetProjects",
],
resources=[
f"arn:{core.Aws.PARTITION}:codebuild:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:project/ContainerFactory*",
f"arn:{core.Aws.PARTITION}:codebuild:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:project/VerifySagemaker*",
f"arn:{core.Aws.PARTITION}:codebuild:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:report-group/*",
],
),
iam.PolicyStatement(
actions=[
"lambda:CreateFunction",
"lambda:DeleteFunction",
"lambda:InvokeFunction",
"lambda:PublishLayerVersion",
"lambda:DeleteLayerVersion",
"lambda:GetLayerVersion",
"lambda:GetFunctionConfiguration",
"lambda:GetFunction",
"lambda:AddPermission",
"lambda:RemovePermission",
"lambda:UpdateFunctionConfiguration",
],
resources=[
f"arn:{core.Aws.PARTITION}:lambda:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:layer:*",
f"arn:{core.Aws.PARTITION}:lambda:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:function:*",
],
),
iam.PolicyStatement(
actions=["s3:GetObject"],
resources=[
blueprint_repository_bucket.bucket_arn,
blueprint_repository_bucket.arn_for_objects("*"),
f"arn:{core.Aws.PARTITION}:s3:::pipeline-assets-*",
],
),
iam.PolicyStatement(
actions=[
"codepipeline:CreatePipeline",
"codepipeline:DeletePipeline",
"codepipeline:GetPipeline",
"codepipeline:GetPipelineState",
],
resources=[
f"arn:{core.Aws.PARTITION}:codepipeline:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:{pipeline_stack_name}*"
],
),
iam.PolicyStatement(
actions=[
"apigateway:POST",
"apigateway:PATCH",
"apigateway:DELETE",
"apigateway:GET",
"apigateway:PUT",
],
resources=[
f"arn:{core.Aws.PARTITION}:apigateway:{core.Aws.REGION}::/restapis/*",
f"arn:{core.Aws.PARTITION}:apigateway:{core.Aws.REGION}::/restapis",
f"arn:{core.Aws.PARTITION}:apigateway:{core.Aws.REGION}::/account",
f"arn:{core.Aws.PARTITION}:apigateway:{core.Aws.REGION}::/usageplans",
f"arn:{core.Aws.PARTITION}:apigateway:{core.Aws.REGION}::/usageplans/*",
],
),
iam.PolicyStatement(
actions=[
"logs:CreateLogGroup",
"logs:DescribeLogGroups",
],
resources=[
f"arn:{core.Aws.PARTITION}:logs:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:log-group:*",
],
),
iam.PolicyStatement(
actions=[
"s3:CreateBucket",
"s3:PutEncryptionConfiguration",
"s3:PutBucketVersioning",
"s3:PutBucketPublicAccessBlock",
"s3:PutBucketLogging",
],
resources=["arn:" + core.Aws.PARTITION + ":s3:::*"],
),
iam.PolicyStatement(
actions=[
"sns:CreateTopic",
"sns:DeleteTopic",
"sns:Subscribe",
"sns:Unsubscribe",
"sns:GetTopicAttributes",
"sns:SetTopicAttributes",
],
resources=[
f"arn:{core.Aws.PARTITION}:sns:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:{pipeline_stack_name}*-PipelineNotification*",
],
),
iam.PolicyStatement(
actions=[
"events:PutRule",
"events:DescribeRule",
"events:PutTargets",
"events:RemoveTargets",
"events:DeleteRule",
"events:PutEvents",
],
resources=[
f"arn:{core.Aws.PARTITION}:events:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:rule/*",
f"arn:{core.Aws.PARTITION}:events:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:event-bus/*",
],
),
],
)
orchestrator_policy.attach_to_role(cloudformation_role)
# Lambda function IAM setup
lambda_passrole_policy = iam.PolicyStatement(
actions=["iam:passrole"], resources=[cloudformation_role.role_arn])
# API Gateway and lambda setup to enable provisioning pipelines through API calls
provisioner_apigw_lambda = aws_apigateway_lambda.ApiGatewayToLambda(
self,
"PipelineOrchestration",
lambda_function_props={
"runtime": lambda_.Runtime.PYTHON_3_8,
"handler": "index.handler",
"code":
lambda_.Code.from_asset("lambdas/pipeline_orchestration"),
},
api_gateway_props={
"defaultMethodOptions": {
"authorizationType": apigw.AuthorizationType.IAM,
},
"restApiName": f"{core.Aws.STACK_NAME}-orchestrator",
"proxy": False
},
)
provision_resource = provisioner_apigw_lambda.api_gateway.root.add_resource(
'provisionpipeline')
provision_resource.add_method('POST')
status_resource = provisioner_apigw_lambda.api_gateway.root.add_resource(
'pipelinestatus')
status_resource.add_method('POST')
blueprint_repository_bucket.grant_read(
provisioner_apigw_lambda.lambda_function)
provisioner_apigw_lambda.lambda_function.add_to_role_policy(
lambda_passrole_policy)
orchestrator_policy.attach_to_role(
provisioner_apigw_lambda.lambda_function.role)
provisioner_apigw_lambda.lambda_function.add_to_role_policy(
iam.PolicyStatement(actions=["xray:PutTraceSegments"],
resources=["*"]))
lambda_node = provisioner_apigw_lambda.lambda_function.node.default_child
lambda_node.cfn_options.metadata = {
"cfn_nag": {
"rules_to_suppress": [{
"id":
"W12",
"reason":
"The xray permissions PutTraceSegments is not able to be bound to resources.",
}]
}
}
# Environment variables setup
provisioner_apigw_lambda.lambda_function.add_environment(
key="BLUEPRINT_BUCKET_URL",
value=str(blueprint_repository_bucket.bucket_regional_domain_name),
)
provisioner_apigw_lambda.lambda_function.add_environment(
key="BLUEPRINT_BUCKET",
value=str(blueprint_repository_bucket.bucket_name))
provisioner_apigw_lambda.lambda_function.add_environment(
key="ACCESS_BUCKET", value=str(access_logs_bucket.bucket_name))
provisioner_apigw_lambda.lambda_function.add_environment(
key="CFN_ROLE_ARN", value=str(cloudformation_role.role_arn))
provisioner_apigw_lambda.lambda_function.add_environment(
key="PIPELINE_STACK_NAME", value=pipeline_stack_name)
provisioner_apigw_lambda.lambda_function.add_environment(
key="NOTIFICATION_EMAIL", value=notification_email.value_as_string)
provisioner_apigw_lambda.lambda_function.add_environment(
key="LOG_LEVEL", value="DEBUG")
cfn_policy_for_lambda = orchestrator_policy.node.default_child
cfn_policy_for_lambda.cfn_options.metadata = {
"cfn_nag": {
"rules_to_suppress": [{
"id":
"W76",
"reason":
"A complex IAM policy is required for this resource.",
}]
}
}
### Codepipeline with Git source definitions ###
source_output = codepipeline.Artifact()
# processing git_address to retrieve repo name
repo_name_split = core.Fn.split("/", git_address.value_as_string)
repo_name = core.Fn.select(5, repo_name_split)
# getting codecommit repo cdk object using 'from_repository_name'
repo = codecommit.Repository.from_repository_name(
self, "AWSMLOpsFrameworkRepository", repo_name)
codebuild_project = codebuild.PipelineProject(
self,
"Take config file",
build_spec=codebuild.BuildSpec.from_object({
"version": "0.2",
"phases": {
"build": {
"commands": [
"ls -a",
"aws lambda invoke --function-name " +
provisioner_apigw_lambda.lambda_function.
function_name +
" --payload fileb://mlops-config.json response.json"
+ " --invocation-type RequestResponse",
]
}
},
}),
)
# Defining a Codepipeline project with CodeCommit as source
codecommit_pipeline = codepipeline.Pipeline(
self,
"MLOpsCodeCommitPipeline",
stages=[
codepipeline.StageProps(
stage_name="Source",
actions=[
codepipeline_actions.CodeCommitSourceAction(
action_name="CodeCommit",
repository=repo,
output=source_output,
)
],
),
codepipeline.StageProps(
stage_name="TakeConfig",
actions=[
codepipeline_actions.CodeBuildAction(
action_name="provision_pipeline",
input=source_output,
outputs=[],
project=codebuild_project,
)
],
),
],
cross_account_keys=False,
)
codecommit_pipeline.add_to_role_policy(
iam.PolicyStatement(
actions=["lambda:InvokeFunction"],
resources=[
provisioner_apigw_lambda.lambda_function.function_arn
],
))
codebuild_project.add_to_role_policy(
iam.PolicyStatement(
actions=["lambda:InvokeFunction"],
resources=[
provisioner_apigw_lambda.lambda_function.function_arn
],
))
pipeline_child_nodes = codecommit_pipeline.node.find_all()
pipeline_child_nodes[1].node.default_child.cfn_options.metadata = {
"cfn_nag": {
"rules_to_suppress": [
{
"id":
"W35",
"reason":
"This is a managed bucket generated by CDK for codepipeline.",
},
{
"id":
"W51",
"reason":
"This is a managed bucket generated by CDK for codepipeline.",
},
]
}
}
###custom resource for operational metrics###
metricsMapping = core.CfnMapping(
self,
'AnonymousData',
mapping={'SendAnonymousData': {
'Data': 'Yes'
}})
metrics_condition = core.CfnCondition(
self,
'AnonymousDatatoAWS',
expression=core.Fn.condition_equals(
metricsMapping.find_in_map('SendAnonymousData', 'Data'),
'Yes'))
helper_function = lambda_.Function(
self,
"SolutionHelper",
code=lambda_.Code.from_asset("lambdas/solution_helper"),
handler="lambda_function.handler",
runtime=lambda_.Runtime.PYTHON_3_8,
timeout=core.Duration.seconds(60),
)
createIdFunction = core.CustomResource(
self,
'CreateUniqueID',
service_token=helper_function.function_arn,
properties={'Resource': 'UUID'},
resource_type='Custom::CreateUUID')
sendDataFunction = core.CustomResource(
self,
'SendAnonymousData',
service_token=helper_function.function_arn,
properties={
'Resource': 'AnonymousMetric',
'UUID': createIdFunction.get_att_string('UUID'),
'gitSelected': git_address.value_as_string,
'Region': core.Aws.REGION,
'SolutionId': 'SO0136',
'Version': '%%VERSION%%',
},
resource_type='Custom::AnonymousData')
core.Aspects.of(helper_function).add(
ConditionalResources(metrics_condition))
core.Aspects.of(createIdFunction).add(
ConditionalResources(metrics_condition))
core.Aspects.of(sendDataFunction).add(
ConditionalResources(metrics_condition))
helper_function.node.default_child.cfn_options.metadata = {
"cfn_nag": {
"rules_to_suppress": [{
"id":
"W58",
"reason":
"The lambda functions role already has permissions to write cloudwatch logs",
}]
}
}
# If user chooses Git as pipeline provision type, create codepipeline with Git repo as source
core.Aspects.of(repo).add(ConditionalResources(git_address_provided))
core.Aspects.of(codecommit_pipeline).add(
ConditionalResources(git_address_provided))
core.Aspects.of(codebuild_project).add(
ConditionalResources(git_address_provided))
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
if self.node.try_get_context('vpc_type'):
validate_cdk_json(self)
ES_LOADER_TIMEOUT = 600
######################################################################
# REGION mapping / ELB & Lambda Arch
######################################################################
elb_id_temp = region_info.FactName.ELBV2_ACCOUNT
elb_map_temp = region_info.RegionInfo.region_map(elb_id_temp)
region_dict = {}
for region in elb_map_temp:
# ELB account ID
region_dict[region] = {'ElbV2AccountId': elb_map_temp[region]}
# Lambda Arch
if region in ('us-east-1', 'us-east-2', 'us-west-2', 'ap-south-1',
'ap-southeast-1', 'ap-southeast-2', 'ap-northeast-1',
'eu-central-1', 'eu-west-1', 'eu-west-2'):
region_dict[region]['LambdaArch'] = (
aws_lambda.Architecture.ARM_64.name)
else:
region_dict[region]['LambdaArch'] = (
aws_lambda.Architecture.X86_64.name)
region_mapping = core.CfnMapping(
scope=self, id='RegionMap', mapping=region_dict)
######################################################################
# get params
######################################################################
allow_source_address = core.CfnParameter(
self, 'AllowedSourceIpAddresses', allowed_pattern=r'^[0-9./\s]*',
description='Space-delimited list of CIDR blocks',
default='10.0.0.0/8 172.16.0.0/12 192.168.0.0/16')
sns_email = core.CfnParameter(
self, 'SnsEmail', allowed_pattern=r'^[0-9a-zA-Z@_\-\+\.]*',
description=('Input your email as SNS topic, where Amazon '
'OpenSearch Service will send alerts to'),
default='*****@*****.**')
geoip_license_key = core.CfnParameter(
self, 'GeoLite2LicenseKey', allowed_pattern=r'^[0-9a-zA-Z]{16}$',
default='xxxxxxxxxxxxxxxx',
description=("If you wolud like to enrich geoip locaiton such as "
"IP address's country, get a license key form MaxMind"
" and input the key. If you not, keep "
"xxxxxxxxxxxxxxxx"))
reserved_concurrency = core.CfnParameter(
self, 'ReservedConcurrency', default=10, type='Number',
description=('Input reserved concurrency. Increase this value if '
'there are steady logs delay despite no errors'))
aes_domain_name = self.node.try_get_context('aes_domain_name')
bucket = f'{aes_domain_name}-{core.Aws.ACCOUNT_ID}'
s3bucket_name_geo = f'{bucket}-geo'
s3bucket_name_log = f'{bucket}-log'
s3bucket_name_snapshot = f'{bucket}-snapshot'
# organizations / multiaccount
org_id = self.node.try_get_context('organizations').get('org_id')
org_mgmt_id = self.node.try_get_context(
'organizations').get('management_id')
org_member_ids = self.node.try_get_context(
'organizations').get('member_ids')
no_org_ids = self.node.try_get_context(
'no_organizations').get('aws_accounts')
# Overwrite default S3 bucket name as customer name
temp_geo = self.node.try_get_context('s3_bucket_name').get('geo')
if temp_geo:
s3bucket_name_geo = temp_geo
else:
print('Using default bucket names')
temp_log = self.node.try_get_context('s3_bucket_name').get('log')
if temp_log:
s3bucket_name_log = temp_log
elif org_id or no_org_ids:
s3bucket_name_log = f'{aes_domain_name}-{self.account}-log'
else:
print('Using default bucket names')
temp_snap = self.node.try_get_context('s3_bucket_name').get('snapshot')
if temp_snap:
s3bucket_name_snapshot = temp_snap
else:
print('Using default bucket names')
kms_cmk_alias = self.node.try_get_context('kms_cmk_alias')
if not kms_cmk_alias:
kms_cmk_alias = 'aes-siem-key'
print('Using default key alais')
######################################################################
# deploy VPC when context is defined as using VPC
######################################################################
# vpc_type is 'new' or 'import' or None
vpc_type = self.node.try_get_context('vpc_type')
if vpc_type == 'new':
is_vpc = True
vpc_cidr = self.node.try_get_context('new_vpc_nw_cidr_block')
subnet_cidr_mask = int(
self.node.try_get_context('new_vpc_subnet_cidr_mask'))
is_vpc = True
# VPC
vpc_aes_siem = aws_ec2.Vpc(
self, 'VpcAesSiem', cidr=vpc_cidr,
max_azs=3, nat_gateways=0,
subnet_configuration=[
aws_ec2.SubnetConfiguration(
subnet_type=aws_ec2.SubnetType.ISOLATED,
name='aes-siem-subnet', cidr_mask=subnet_cidr_mask)])
subnet1 = vpc_aes_siem.isolated_subnets[0]
subnets = [{'subnet_type': aws_ec2.SubnetType.ISOLATED}]
vpc_subnets = aws_ec2.SubnetSelection(
subnet_type=aws_ec2.SubnetType.ISOLATED)
vpc_aes_siem_opt = vpc_aes_siem.node.default_child.cfn_options
vpc_aes_siem_opt.deletion_policy = core.CfnDeletionPolicy.RETAIN
for subnet in vpc_aes_siem.isolated_subnets:
subnet_opt = subnet.node.default_child.cfn_options
subnet_opt.deletion_policy = core.CfnDeletionPolicy.RETAIN
elif vpc_type == 'import':
vpc_id = self.node.try_get_context('imported_vpc_id')
vpc_aes_siem = aws_ec2.Vpc.from_lookup(
self, 'VpcAesSiem', vpc_id=vpc_id)
subnet_ids = get_subnet_ids(self)
subnets = []
for number, subnet_id in enumerate(subnet_ids, 1):
obj_id = 'Subenet' + str(number)
subnet = aws_ec2.Subnet.from_subnet_id(self, obj_id, subnet_id)
subnets.append(subnet)
subnet1 = subnets[0]
vpc_subnets = aws_ec2.SubnetSelection(subnets=subnets)
if vpc_type:
is_vpc = True
# Security Group
sg_vpc_noinbound_aes_siem = aws_ec2.SecurityGroup(
self, 'AesSiemVpcNoinboundSecurityGroup',
security_group_name='aes-siem-noinbound-vpc-sg',
vpc=vpc_aes_siem)
sg_vpc_aes_siem = aws_ec2.SecurityGroup(
self, 'AesSiemVpcSecurityGroup',
security_group_name='aes-siem-vpc-sg',
vpc=vpc_aes_siem)
sg_vpc_aes_siem.add_ingress_rule(
peer=aws_ec2.Peer.ipv4(vpc_aes_siem.vpc_cidr_block),
connection=aws_ec2.Port.tcp(443),)
sg_vpc_opt = sg_vpc_aes_siem.node.default_child.cfn_options
sg_vpc_opt.deletion_policy = core.CfnDeletionPolicy.RETAIN
# VPC Endpoint
vpc_aes_siem.add_gateway_endpoint(
'S3Endpoint', service=aws_ec2.GatewayVpcEndpointAwsService.S3,
subnets=subnets)
vpc_aes_siem.add_interface_endpoint(
'SQSEndpoint', security_groups=[sg_vpc_aes_siem],
service=aws_ec2.InterfaceVpcEndpointAwsService.SQS,)
vpc_aes_siem.add_interface_endpoint(
'KMSEndpoint', security_groups=[sg_vpc_aes_siem],
service=aws_ec2.InterfaceVpcEndpointAwsService.KMS,)
else:
is_vpc = False
is_vpc = core.CfnCondition(
self, 'IsVpc', expression=core.Fn.condition_equals(is_vpc, True))
"""
CloudFormation実行時の条件式の書き方
ClassのBasesが aws_cdk.core.Resource の時は、
node.default_child.cfn_options.condition = is_vpc
ClassのBasesが aws_cdk.core.CfnResource の時は、
cfn_options.condition = is_vpc
"""
######################################################################
# create cmk of KMS to encrypt S3 bucket
######################################################################
kms_aes_siem = aws_kms.Key(
self, 'KmsAesSiemLog', description='CMK for SIEM solution',
removal_policy=core.RemovalPolicy.RETAIN)
aws_kms.Alias(
self, 'KmsAesSiemLogAlias', alias_name=kms_cmk_alias,
target_key=kms_aes_siem,
removal_policy=core.RemovalPolicy.RETAIN)
kms_aes_siem.add_to_resource_policy(
aws_iam.PolicyStatement(
sid='Allow GuardDuty to use the key',
actions=['kms:GenerateDataKey'],
principals=[aws_iam.ServicePrincipal(
'guardduty.amazonaws.com')],
resources=['*'],),)
kms_aes_siem.add_to_resource_policy(
aws_iam.PolicyStatement(
sid='Allow VPC Flow Logs to use the key',
actions=['kms:Encrypt', 'kms:Decrypt', 'kms:ReEncrypt*',
'kms:GenerateDataKey*', 'kms:DescribeKey'],
principals=[aws_iam.ServicePrincipal(
'delivery.logs.amazonaws.com')],
resources=['*'],),)
# basic policy
key_policy_basic1 = aws_iam.PolicyStatement(
sid='Allow principals in the account to decrypt log files',
actions=['kms:DescribeKey', 'kms:ReEncryptFrom'],
principals=[aws_iam.AccountPrincipal(
account_id=core.Aws.ACCOUNT_ID)],
resources=['*'],)
kms_aes_siem.add_to_resource_policy(key_policy_basic1)
# for Athena
key_policy_athena = aws_iam.PolicyStatement(
sid='Allow Athena to query s3 objects with this key',
actions=['kms:Decrypt', 'kms:DescribeKey', 'kms:Encrypt',
'kms:GenerateDataKey*', 'kms:ReEncrypt*'],
principals=[aws_iam.AccountPrincipal(
account_id=core.Aws.ACCOUNT_ID)],
resources=['*'],
conditions={'ForAnyValue:StringEquals': {
'aws:CalledVia': 'athena.amazonaws.com'}})
kms_aes_siem.add_to_resource_policy(key_policy_athena)
# for CloudTrail
key_policy_trail1 = aws_iam.PolicyStatement(
sid='Allow CloudTrail to describe key',
actions=['kms:DescribeKey'],
principals=[aws_iam.ServicePrincipal('cloudtrail.amazonaws.com')],
resources=['*'],)
kms_aes_siem.add_to_resource_policy(key_policy_trail1)
key_policy_trail2 = aws_iam.PolicyStatement(
sid=('Allow CloudTrail to encrypt logs'),
actions=['kms:GenerateDataKey*'],
principals=[aws_iam.ServicePrincipal(
'cloudtrail.amazonaws.com')],
resources=['*'],
conditions={'StringLike': {
'kms:EncryptionContext:aws:cloudtrail:arn': [
f'arn:aws:cloudtrail:*:{core.Aws.ACCOUNT_ID}:trail/*']}})
kms_aes_siem.add_to_resource_policy(key_policy_trail2)
######################################################################
# create s3 bucket
######################################################################
block_pub = aws_s3.BlockPublicAccess(
block_public_acls=True,
ignore_public_acls=True,
block_public_policy=True,
restrict_public_buckets=True
)
s3_geo = aws_s3.Bucket(
self, 'S3BucketForGeoip', block_public_access=block_pub,
bucket_name=s3bucket_name_geo,
# removal_policy=core.RemovalPolicy.DESTROY,
)
# create s3 bucket for log collector
s3_log = aws_s3.Bucket(
self, 'S3BucketForLog', block_public_access=block_pub,
bucket_name=s3bucket_name_log, versioned=True,
encryption=aws_s3.BucketEncryption.S3_MANAGED,
# removal_policy=core.RemovalPolicy.DESTROY,
)
# create s3 bucket for aes snapshot
s3_snapshot = aws_s3.Bucket(
self, 'S3BucketForSnapshot', block_public_access=block_pub,
bucket_name=s3bucket_name_snapshot,
# removal_policy=core.RemovalPolicy.DESTROY,
)
######################################################################
# IAM Role
######################################################################
# delopyment policy for lambda deploy-aes
arn_prefix = f'arn:aws:logs:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}'
loggroup_aes = f'log-group:/aws/aes/domains/{aes_domain_name}/*'
loggroup_opensearch = (
f'log-group:/aws/OpenSearchService/domains/{aes_domain_name}/*')
loggroup_lambda = 'log-group:/aws/lambda/aes-siem-*'
policydoc_create_loggroup = aws_iam.PolicyDocument(
statements=[
aws_iam.PolicyStatement(
actions=[
'logs:PutResourcePolicy',
'logs:DescribeLogGroups',
'logs:DescribeLogStreams'
],
resources=[f'{arn_prefix}:*', ]
),
aws_iam.PolicyStatement(
actions=[
'logs:CreateLogGroup', 'logs:CreateLogStream',
'logs:PutLogEvents', 'logs:PutRetentionPolicy'],
resources=[
f'{arn_prefix}:{loggroup_aes}',
f'{arn_prefix}:{loggroup_opensearch}',
f'{arn_prefix}:{loggroup_lambda}',
],
)
]
)
policydoc_crhelper = aws_iam.PolicyDocument(
statements=[
aws_iam.PolicyStatement(
actions=[
'lambda:AddPermission',
'lambda:RemovePermission',
'events:ListRules',
'events:PutRule',
'events:DeleteRule',
'events:PutTargets',
'events:RemoveTargets'],
resources=['*']
)
]
)
# snaphot rule for AES
policydoc_snapshot = aws_iam.PolicyDocument(
statements=[
aws_iam.PolicyStatement(
actions=['s3:ListBucket'],
resources=[s3_snapshot.bucket_arn]
),
aws_iam.PolicyStatement(
actions=['s3:GetObject', 's3:PutObject',
's3:DeleteObject'],
resources=[s3_snapshot.bucket_arn + '/*']
)
]
)
aes_siem_snapshot_role = aws_iam.Role(
self, 'AesSiemSnapshotRole',
role_name='aes-siem-snapshot-role',
inline_policies=[policydoc_snapshot, ],
assumed_by=aws_iam.ServicePrincipal('es.amazonaws.com')
)
policydoc_assume_snapshrole = aws_iam.PolicyDocument(
statements=[
aws_iam.PolicyStatement(
actions=['iam:PassRole'],
resources=[aes_siem_snapshot_role.role_arn]
),
]
)
aes_siem_deploy_role_for_lambda = aws_iam.Role(
self, 'AesSiemDeployRoleForLambda',
role_name='aes-siem-deploy-role-for-lambda',
managed_policies=[
aws_iam.ManagedPolicy.from_aws_managed_policy_name(
'AmazonOpenSearchServiceFullAccess'),
aws_iam.ManagedPolicy.from_aws_managed_policy_name(
'service-role/AWSLambdaBasicExecutionRole'),
],
inline_policies=[policydoc_assume_snapshrole, policydoc_snapshot,
policydoc_create_loggroup, policydoc_crhelper],
assumed_by=aws_iam.ServicePrincipal('lambda.amazonaws.com')
)
if vpc_type:
aes_siem_deploy_role_for_lambda.add_managed_policy(
aws_iam.ManagedPolicy.from_aws_managed_policy_name(
'service-role/AWSLambdaVPCAccessExecutionRole')
)
# for alert from Amazon OpenSearch Service
aes_siem_sns_role = aws_iam.Role(
self, 'AesSiemSnsRole',
role_name='aes-siem-sns-role',
assumed_by=aws_iam.ServicePrincipal('es.amazonaws.com')
)
# EC2 role
aes_siem_es_loader_ec2_role = aws_iam.Role(
self, 'AesSiemEsLoaderEC2Role',
role_name='aes-siem-es-loader-for-ec2',
assumed_by=aws_iam.ServicePrincipal('ec2.amazonaws.com'),
)
aws_iam.CfnInstanceProfile(
self, 'AesSiemEsLoaderEC2InstanceProfile',
instance_profile_name=aes_siem_es_loader_ec2_role.role_name,
roles=[aes_siem_es_loader_ec2_role.role_name]
)
######################################################################
# in VPC
######################################################################
aes_role_exist = check_iam_role('/aws-service-role/es.amazonaws.com/')
if vpc_type and not aes_role_exist:
slr_aes = aws_iam.CfnServiceLinkedRole(
self, 'AWSServiceRoleForAmazonOpenSearchService',
aws_service_name='es.amazonaws.com',
description='Created by cloudformation of siem stack'
)
slr_aes.cfn_options.deletion_policy = core.CfnDeletionPolicy.RETAIN
######################################################################
# SQS for es-laoder's DLQ
######################################################################
sqs_aes_siem_dlq = aws_sqs.Queue(
self, 'AesSiemDlq', queue_name='aes-siem-dlq',
retention_period=core.Duration.days(14))
sqs_aes_siem_splitted_logs = aws_sqs.Queue(
self, 'AesSiemSqsSplitLogs',
queue_name='aes-siem-sqs-splitted-logs',
dead_letter_queue=aws_sqs.DeadLetterQueue(
max_receive_count=2, queue=sqs_aes_siem_dlq),
visibility_timeout=core.Duration.seconds(ES_LOADER_TIMEOUT),
retention_period=core.Duration.days(14))
######################################################################
# Setup Lambda
######################################################################
# setup lambda of es_loader
lambda_es_loader_vpc_kwargs = {}
if vpc_type:
lambda_es_loader_vpc_kwargs = {
'security_group': sg_vpc_noinbound_aes_siem,
'vpc': vpc_aes_siem,
'vpc_subnets': vpc_subnets,
}
lambda_es_loader = aws_lambda.Function(
self, 'LambdaEsLoader', **lambda_es_loader_vpc_kwargs,
function_name='aes-siem-es-loader',
description=f'{SOLUTION_NAME} / es-loader',
runtime=aws_lambda.Runtime.PYTHON_3_8,
architecture=aws_lambda.Architecture.X86_64,
# architecture=region_mapping.find_in_map(
# core.Aws.REGION, 'LambdaArm'),
# code=aws_lambda.Code.asset('../lambda/es_loader.zip'),
code=aws_lambda.Code.asset('../lambda/es_loader'),
handler='index.lambda_handler',
memory_size=2048,
timeout=core.Duration.seconds(ES_LOADER_TIMEOUT),
reserved_concurrent_executions=(
reserved_concurrency.value_as_number),
dead_letter_queue_enabled=True,
dead_letter_queue=sqs_aes_siem_dlq,
environment={
'GEOIP_BUCKET': s3bucket_name_geo, 'LOG_LEVEL': 'info',
'POWERTOOLS_LOGGER_LOG_EVENT': 'false',
'POWERTOOLS_SERVICE_NAME': 'es-loader',
'POWERTOOLS_METRICS_NAMESPACE': 'SIEM'})
es_loader_newver = lambda_es_loader.add_version(
name=__version__, description=__version__)
es_loader_opt = es_loader_newver.node.default_child.cfn_options
es_loader_opt.deletion_policy = core.CfnDeletionPolicy.RETAIN
# send only
# sqs_aes_siem_dlq.grant(lambda_es_loader, 'sqs:SendMessage')
# send and reieve. but it must be loop
sqs_aes_siem_dlq.grant(
lambda_es_loader, 'sqs:SendMessage', 'sqs:ReceiveMessage',
'sqs:DeleteMessage', 'sqs:GetQueueAttributes')
sqs_aes_siem_splitted_logs.grant(
lambda_es_loader, 'sqs:SendMessage', 'sqs:ReceiveMessage',
'sqs:DeleteMessage', 'sqs:GetQueueAttributes')
lambda_es_loader.add_event_source(
aws_lambda_event_sources.SqsEventSource(
sqs_aes_siem_splitted_logs, batch_size=1))
# es-loaer on EC2 role
sqs_aes_siem_dlq.grant(
aes_siem_es_loader_ec2_role, 'sqs:GetQueue*', 'sqs:ListQueues*',
'sqs:ReceiveMessage*', 'sqs:DeleteMessage*')
lambda_geo = aws_lambda.Function(
self, 'LambdaGeoipDownloader',
function_name='aes-siem-geoip-downloader',
description=f'{SOLUTION_NAME} / geoip-downloader',
runtime=aws_lambda.Runtime.PYTHON_3_8,
architecture=aws_lambda.Architecture.X86_64,
# architecture=region_mapping.find_in_map(
# core.Aws.REGION, 'LambdaArm'),
code=aws_lambda.Code.asset('../lambda/geoip_downloader'),
handler='index.lambda_handler',
memory_size=320,
timeout=core.Duration.seconds(300),
environment={
's3bucket_name': s3bucket_name_geo,
'license_key': geoip_license_key.value_as_string,
}
)
lambda_geo_newver = lambda_geo.add_version(
name=__version__, description=__version__)
lamba_geo_opt = lambda_geo_newver.node.default_child.cfn_options
lamba_geo_opt.deletion_policy = core.CfnDeletionPolicy.RETAIN
######################################################################
# setup OpenSearch Service
######################################################################
lambda_deploy_es = aws_lambda.Function(
self, 'LambdaDeployAES',
function_name='aes-siem-deploy-aes',
description=f'{SOLUTION_NAME} / opensearch domain deployment',
runtime=aws_lambda.Runtime.PYTHON_3_8,
architecture=aws_lambda.Architecture.X86_64,
# architecture=region_mapping.find_in_map(
# core.Aws.REGION, 'LambdaArm'),
# code=aws_lambda.Code.asset('../lambda/deploy_es.zip'),
code=aws_lambda.Code.asset('../lambda/deploy_es'),
handler='index.aes_domain_handler',
memory_size=128,
timeout=core.Duration.seconds(300),
environment={
'accountid': core.Aws.ACCOUNT_ID,
'aes_domain_name': aes_domain_name,
'aes_admin_role': aes_siem_deploy_role_for_lambda.role_arn,
'es_loader_role': lambda_es_loader.role.role_arn,
'allow_source_address': allow_source_address.value_as_string,
},
role=aes_siem_deploy_role_for_lambda,
)
lambda_deploy_es.add_environment(
's3_snapshot', s3_snapshot.bucket_name)
if vpc_type:
lambda_deploy_es.add_environment(
'vpc_subnet_id', subnet1.subnet_id)
lambda_deploy_es.add_environment(
'security_group_id', sg_vpc_aes_siem.security_group_id)
else:
lambda_deploy_es.add_environment('vpc_subnet_id', 'None')
lambda_deploy_es.add_environment('security_group_id', 'None')
deploy_es_newver = lambda_deploy_es.add_version(
name=__version__, description=__version__)
deploy_es_opt = deploy_es_newver.node.default_child.cfn_options
deploy_es_opt.deletion_policy = core.CfnDeletionPolicy.RETAIN
# execute lambda_deploy_es to deploy Amaozon ES Domain
aes_domain = aws_cloudformation.CfnCustomResource(
self, 'AesSiemDomainDeployedR2',
service_token=lambda_deploy_es.function_arn,)
aes_domain.add_override('Properties.ConfigVersion', __version__)
es_endpoint = aes_domain.get_att('es_endpoint').to_string()
lambda_es_loader.add_environment('ES_ENDPOINT', es_endpoint)
lambda_es_loader.add_environment(
'SQS_SPLITTED_LOGS_URL', sqs_aes_siem_splitted_logs.queue_url)
lambda_configure_es_vpc_kwargs = {}
if vpc_type:
lambda_configure_es_vpc_kwargs = {
'security_group': sg_vpc_noinbound_aes_siem,
'vpc': vpc_aes_siem,
'vpc_subnets': aws_ec2.SubnetSelection(subnets=[subnet1, ]), }
lambda_configure_es = aws_lambda.Function(
self, 'LambdaConfigureAES', **lambda_configure_es_vpc_kwargs,
function_name='aes-siem-configure-aes',
description=f'{SOLUTION_NAME} / opensearch configuration',
runtime=aws_lambda.Runtime.PYTHON_3_8,
architecture=aws_lambda.Architecture.X86_64,
# architecture=region_mapping.find_in_map(
# core.Aws.REGION, 'LambdaArm'),
code=aws_lambda.Code.asset('../lambda/deploy_es'),
handler='index.aes_config_handler',
memory_size=128,
timeout=core.Duration.seconds(300),
environment={
'accountid': core.Aws.ACCOUNT_ID,
'aes_domain_name': aes_domain_name,
'aes_admin_role': aes_siem_deploy_role_for_lambda.role_arn,
'es_loader_role': lambda_es_loader.role.role_arn,
'allow_source_address': allow_source_address.value_as_string,
'es_endpoint': es_endpoint,
},
role=aes_siem_deploy_role_for_lambda,
)
lambda_configure_es.add_environment(
's3_snapshot', s3_snapshot.bucket_name)
if vpc_type:
lambda_configure_es.add_environment(
'vpc_subnet_id', subnet1.subnet_id)
lambda_configure_es.add_environment(
'security_group_id', sg_vpc_aes_siem.security_group_id)
else:
lambda_configure_es.add_environment('vpc_subnet_id', 'None')
lambda_configure_es.add_environment('security_group_id', 'None')
configure_es_newver = lambda_configure_es.add_version(
name=__version__, description=__version__)
configure_es_opt = configure_es_newver.node.default_child.cfn_options
configure_es_opt.deletion_policy = core.CfnDeletionPolicy.RETAIN
aes_config = aws_cloudformation.CfnCustomResource(
self, 'AesSiemDomainConfiguredR2',
service_token=lambda_configure_es.function_arn,)
aes_config.add_override('Properties.ConfigVersion', __version__)
aes_config.add_depends_on(aes_domain)
aes_config.cfn_options.deletion_policy = core.CfnDeletionPolicy.RETAIN
es_arn = (f'arn:aws:es:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}'
f':domain/{aes_domain_name}')
# grant permission to es_loader role
inline_policy_to_load_entries_into_es = aws_iam.Policy(
self, 'aes-siem-policy-to-load-entries-to-es',
policy_name='aes-siem-policy-to-load-entries-to-es',
statements=[
aws_iam.PolicyStatement(
actions=['es:*'],
resources=[es_arn + '/*', ]),
]
)
lambda_es_loader.role.attach_inline_policy(
inline_policy_to_load_entries_into_es)
aes_siem_es_loader_ec2_role.attach_inline_policy(
inline_policy_to_load_entries_into_es)
# grant additional permission to es_loader role
additional_kms_cmks = self.node.try_get_context('additional_kms_cmks')
if additional_kms_cmks:
inline_policy_access_to_additional_cmks = aws_iam.Policy(
self, 'access_to_additional_cmks',
policy_name='access_to_additional_cmks',
statements=[
aws_iam.PolicyStatement(
actions=['kms:Decrypt'],
resources=sorted(set(additional_kms_cmks))
)
]
)
lambda_es_loader.role.attach_inline_policy(
inline_policy_access_to_additional_cmks)
aes_siem_es_loader_ec2_role.attach_inline_policy(
inline_policy_access_to_additional_cmks)
additional_buckets = self.node.try_get_context('additional_s3_buckets')
if additional_buckets:
buckets_list = []
for bucket in additional_buckets:
buckets_list.append(f'arn:aws:s3:::{bucket}')
buckets_list.append(f'arn:aws:s3:::{bucket}/*')
inline_policy_access_to_additional_buckets = aws_iam.Policy(
self, 'access_to_additional_buckets',
policy_name='access_to_additional_buckets',
statements=[
aws_iam.PolicyStatement(
actions=['s3:GetObject*', 's3:GetBucket*', 's3:List*'],
resources=sorted(set(buckets_list))
)
]
)
lambda_es_loader.role.attach_inline_policy(
inline_policy_access_to_additional_buckets)
aes_siem_es_loader_ec2_role.attach_inline_policy(
inline_policy_access_to_additional_buckets)
kms_aes_siem.grant_decrypt(lambda_es_loader)
kms_aes_siem.grant_decrypt(aes_siem_es_loader_ec2_role)
######################################################################
# s3 notification and grant permisssion
######################################################################
s3_geo.grant_read_write(lambda_geo)
s3_geo.grant_read(lambda_es_loader)
s3_geo.grant_read(aes_siem_es_loader_ec2_role)
s3_log.grant_read(lambda_es_loader)
s3_log.grant_read(aes_siem_es_loader_ec2_role)
# create s3 notification for es_loader
notification = aws_s3_notifications.LambdaDestination(lambda_es_loader)
# assign notification for the s3 PUT event type
# most log system use PUT, but also CLB use POST & Multipart Upload
s3_log.add_event_notification(
aws_s3.EventType.OBJECT_CREATED, notification,
aws_s3.NotificationKeyFilter(prefix='AWSLogs/'))
# For user logs, not AWS logs
s3_log.add_event_notification(
aws_s3.EventType.OBJECT_CREATED, notification,
aws_s3.NotificationKeyFilter(prefix='UserLogs/'))
# Download geoip to S3 once by executing lambda_geo
get_geodb = aws_cloudformation.CfnCustomResource(
self, 'ExecLambdaGeoipDownloader',
service_token=lambda_geo.function_arn,)
get_geodb.cfn_options.deletion_policy = core.CfnDeletionPolicy.RETAIN
# Download geoip every day at 6PM UTC
rule = aws_events.Rule(
self, 'CwlRuleLambdaGeoipDownloaderDilly',
schedule=aws_events.Schedule.rate(core.Duration.hours(12)))
rule.add_target(aws_events_targets.LambdaFunction(lambda_geo))
######################################################################
# bucket policy
######################################################################
s3_awspath = s3_log.bucket_arn + '/AWSLogs/' + core.Aws.ACCOUNT_ID
bucket_policy_common1 = aws_iam.PolicyStatement(
sid='ELB Policy',
principals=[aws_iam.AccountPrincipal(
account_id=region_mapping.find_in_map(
core.Aws.REGION, 'ElbV2AccountId'))],
actions=['s3:PutObject'], resources=[s3_awspath + '/*'],)
# NLB / ALB / R53resolver / VPC Flow Logs
bucket_policy_elb1 = aws_iam.PolicyStatement(
sid='AWSLogDeliveryAclCheck For ALB NLB R53Resolver Flowlogs',
principals=[aws_iam.ServicePrincipal(
'delivery.logs.amazonaws.com')],
actions=['s3:GetBucketAcl', 's3:ListBucket'],
resources=[s3_log.bucket_arn],)
bucket_policy_elb2 = aws_iam.PolicyStatement(
sid='AWSLogDeliveryWrite For ALB NLB R53Resolver Flowlogs',
principals=[aws_iam.ServicePrincipal(
'delivery.logs.amazonaws.com')],
actions=['s3:PutObject'], resources=[s3_awspath + '/*'],
conditions={
'StringEquals': {'s3:x-amz-acl': 'bucket-owner-full-control'}})
s3_log.add_to_resource_policy(bucket_policy_common1)
s3_log.add_to_resource_policy(bucket_policy_elb1)
s3_log.add_to_resource_policy(bucket_policy_elb2)
# CloudTrail
bucket_policy_trail1 = aws_iam.PolicyStatement(
sid='AWSLogDeliveryAclCheck For Cloudtrail',
principals=[aws_iam.ServicePrincipal('cloudtrail.amazonaws.com')],
actions=['s3:GetBucketAcl'], resources=[s3_log.bucket_arn],)
bucket_policy_trail2 = aws_iam.PolicyStatement(
sid='AWSLogDeliveryWrite For CloudTrail',
principals=[aws_iam.ServicePrincipal('cloudtrail.amazonaws.com')],
actions=['s3:PutObject'], resources=[s3_awspath + '/*'],
conditions={
'StringEquals': {'s3:x-amz-acl': 'bucket-owner-full-control'}})
s3_log.add_to_resource_policy(bucket_policy_trail1)
s3_log.add_to_resource_policy(bucket_policy_trail2)
# GuardDuty
bucket_policy_gd1 = aws_iam.PolicyStatement(
sid='Allow GuardDuty to use the getBucketLocation operation',
principals=[aws_iam.ServicePrincipal('guardduty.amazonaws.com')],
actions=['s3:GetBucketLocation'], resources=[s3_log.bucket_arn],)
bucket_policy_gd2 = aws_iam.PolicyStatement(
sid='Allow GuardDuty to upload objects to the bucket',
principals=[aws_iam.ServicePrincipal('guardduty.amazonaws.com')],
actions=['s3:PutObject'], resources=[s3_log.bucket_arn + '/*'],)
bucket_policy_gd5 = aws_iam.PolicyStatement(
sid='Deny non-HTTPS access', effect=aws_iam.Effect.DENY,
actions=['s3:*'], resources=[s3_log.bucket_arn + '/*'],
conditions={'Bool': {'aws:SecureTransport': 'false'}})
bucket_policy_gd5.add_any_principal()
s3_log.add_to_resource_policy(bucket_policy_gd1)
s3_log.add_to_resource_policy(bucket_policy_gd2)
s3_log.add_to_resource_policy(bucket_policy_gd5)
# Config
bucket_policy_config1 = aws_iam.PolicyStatement(
sid='AWSConfig BucketPermissionsCheck and BucketExistenceCheck',
principals=[aws_iam.ServicePrincipal('config.amazonaws.com')],
actions=['s3:GetBucketAcl', 's3:ListBucket'],
resources=[s3_log.bucket_arn],)
bucket_policy_config2 = aws_iam.PolicyStatement(
sid='AWSConfigBucketDelivery',
principals=[aws_iam.ServicePrincipal('config.amazonaws.com')],
actions=['s3:PutObject'], resources=[s3_awspath + '/Config/*'],
conditions={
'StringEquals': {'s3:x-amz-acl': 'bucket-owner-full-control'}})
s3_log.add_to_resource_policy(bucket_policy_config1)
s3_log.add_to_resource_policy(bucket_policy_config2)
# geoip
bucket_policy_geo1 = aws_iam.PolicyStatement(
sid='Allow geoip downloader and es-loader to read/write',
principals=[lambda_es_loader.role, lambda_geo.role],
actions=['s3:PutObject', 's3:GetObject', 's3:DeleteObject'],
resources=[s3_geo.bucket_arn + '/*'],)
s3_geo.add_to_resource_policy(bucket_policy_geo1)
# ES Snapshot
bucket_policy_snapshot = aws_iam.PolicyStatement(
sid='Allow ES to store snapshot',
principals=[aes_siem_snapshot_role],
actions=['s3:PutObject', 's3:GetObject', 's3:DeleteObject'],
resources=[s3_snapshot.bucket_arn + '/*'],)
s3_snapshot.add_to_resource_policy(bucket_policy_snapshot)
######################################################################
# for multiaccount / organizaitons
######################################################################
if org_id or no_org_ids:
##################################################################
# KMS key policy for multiaccount / organizaitons
##################################################################
# for CloudTrail
cond_tail2 = self.make_resource_list(
path='arn:aws:cloudtrail:*:', tail=':trail/*',
keys=self.list_without_none(org_mgmt_id, no_org_ids))
key_policy_mul_trail2 = aws_iam.PolicyStatement(
sid=('Allow CloudTrail to encrypt logs for multiaccounts'),
actions=['kms:GenerateDataKey*'],
principals=[aws_iam.ServicePrincipal(
'cloudtrail.amazonaws.com')],
resources=['*'],
conditions={'StringLike': {
'kms:EncryptionContext:aws:cloudtrail:arn': cond_tail2}})
kms_aes_siem.add_to_resource_policy(key_policy_mul_trail2)
# for replicaiton
key_policy_rep1 = aws_iam.PolicyStatement(
sid=('Enable cross account encrypt access for S3 Cross Region '
'Replication'),
actions=['kms:Encrypt'],
principals=self.make_account_principals(
org_mgmt_id, org_member_ids, no_org_ids),
resources=['*'],)
kms_aes_siem.add_to_resource_policy(key_policy_rep1)
##################################################################
# Buckdet Policy for multiaccount / organizaitons
##################################################################
s3_log_bucket_arn = 'arn:aws:s3:::' + s3bucket_name_log
# for CloudTrail
s3_mulpaths = self.make_resource_list(
path=f'{s3_log_bucket_arn}/AWSLogs/', tail='/*',
keys=self.list_without_none(org_id, org_mgmt_id, no_org_ids))
bucket_policy_org_trail = aws_iam.PolicyStatement(
sid='AWSCloudTrailWrite for Multiaccounts / Organizations',
principals=[
aws_iam.ServicePrincipal('cloudtrail.amazonaws.com')],
actions=['s3:PutObject'], resources=s3_mulpaths,
conditions={'StringEquals': {
's3:x-amz-acl': 'bucket-owner-full-control'}})
s3_log.add_to_resource_policy(bucket_policy_org_trail)
# config
s3_conf_multpaths = self.make_resource_list(
path=f'{s3_log_bucket_arn}/AWSLogs/', tail='/Config/*',
keys=self.list_without_none(org_id, org_mgmt_id, no_org_ids))
bucket_policy_mul_config2 = aws_iam.PolicyStatement(
sid='AWSConfigBucketDelivery',
principals=[aws_iam.ServicePrincipal('config.amazonaws.com')],
actions=['s3:PutObject'], resources=s3_conf_multpaths,
conditions={'StringEquals': {
's3:x-amz-acl': 'bucket-owner-full-control'}})
s3_log.add_to_resource_policy(bucket_policy_mul_config2)
# for replication
bucket_policy_rep1 = aws_iam.PolicyStatement(
sid='PolicyForDestinationBucket / Permissions on objects',
principals=self.make_account_principals(
org_mgmt_id, org_member_ids, no_org_ids),
actions=['s3:ReplicateDelete', 's3:ReplicateObject',
's3:ReplicateTags', 's3:GetObjectVersionTagging',
's3:ObjectOwnerOverrideToBucketOwner'],
resources=[f'{s3_log_bucket_arn}/*'])
bucket_policy_rep2 = aws_iam.PolicyStatement(
sid='PolicyForDestinationBucket / Permissions on bucket',
principals=self.make_account_principals(
org_mgmt_id, org_member_ids, no_org_ids),
actions=['s3:List*', 's3:GetBucketVersioning',
's3:PutBucketVersioning'],
resources=[f'{s3_log_bucket_arn}'])
s3_log.add_to_resource_policy(bucket_policy_rep1)
s3_log.add_to_resource_policy(bucket_policy_rep2)
######################################################################
# SNS topic for Amazon OpenSearch Service Alert
######################################################################
sns_topic = aws_sns.Topic(
self, 'SnsTopic', topic_name='aes-siem-alert',
display_name='AES SIEM')
sns_topic.add_subscription(aws_sns_subscriptions.EmailSubscription(
email_address=sns_email.value_as_string))
sns_topic.grant_publish(aes_siem_sns_role)
######################################################################
# output of CFn
######################################################################
kibanaurl = f'https://{es_endpoint}/_dashboards/'
kibanaadmin = aes_domain.get_att('kibanaadmin').to_string()
kibanapass = aes_domain.get_att('kibanapass').to_string()
core.CfnOutput(self, 'RoleDeploy', export_name='role-deploy',
value=aes_siem_deploy_role_for_lambda.role_arn)
core.CfnOutput(self, 'DashboardsUrl', export_name='dashboards-url',
value=kibanaurl)
core.CfnOutput(self, 'DashboardsPassword',
export_name='dashboards-pass', value=kibanapass,
description=('Please change the password in OpenSearch '
'Dashboards ASAP'))
core.CfnOutput(self, 'DashboardsAdminID',
export_name='dashboards-admin', value=kibanaadmin)
def __init__(self,
scope: core.Construct,
id: str,
*,
multi_account=False,
**kwargs) -> None:
super().__init__(scope, id, **kwargs)
# Get stack parameters:
notification_email = create_notification_email_parameter(self)
git_address = create_git_address_parameter(self)
# Get the optional S3 assets bucket to use
existing_bucket = create_existing_bucket_parameter(self)
# Get the optional S3 assets bucket to use
existing_ecr_repo = create_existing_ecr_repo_parameter(self)
# create only if multi_account template
if multi_account:
# create development parameters
account_type = "development"
dev_account_id = create_account_id_parameter(
self, "DEV_ACCOUNT_ID", account_type)
dev_org_id = create_org_id_parameter(self, "DEV_ORG_ID",
account_type)
# create staging parameters
account_type = "staging"
staging_account_id = create_account_id_parameter(
self, "STAGING_ACCOUNT_ID", account_type)
staging_org_id = create_org_id_parameter(self, "STAGING_ORG_ID",
account_type)
# create production parameters
account_type = "production"
prod_account_id = create_account_id_parameter(
self, "PROD_ACCOUNT_ID", account_type)
prod_org_id = create_org_id_parameter(self, "PROD_ORG_ID",
account_type)
# Conditions
git_address_provided = create_git_address_provided_condition(
self, git_address)
# client provided an existing S3 bucket name, to be used for assets
existing_bucket_provided = create_existing_bucket_provided_condition(
self, existing_bucket)
# client provided an existing Amazon ECR name
existing_ecr_provided = create_existing_ecr_provided_condition(
self, existing_ecr_repo)
# S3 bucket needs to be created for assets
create_new_bucket = create_new_bucket_condition(self, existing_bucket)
# Amazon ECR repo needs too be created for custom Algorithms
create_new_ecr_repo = create_new_ecr_repo_condition(
self, existing_ecr_repo)
# Constants
pipeline_stack_name = "mlops-pipeline"
# CDK Resources setup
access_logs_bucket = s3.Bucket(
self,
"accessLogs",
encryption=s3.BucketEncryption.S3_MANAGED,
block_public_access=s3.BlockPublicAccess.BLOCK_ALL,
)
# Apply secure transfer bucket policy
apply_secure_bucket_policy(access_logs_bucket)
# This is a logging bucket.
access_logs_bucket.node.default_child.cfn_options.metadata = suppress_s3_access_policy(
)
# Import user provide S3 bucket, if any. s3.Bucket.from_bucket_arn is used instead of
# s3.Bucket.from_bucket_name to allow cross account bucket.
client_existing_bucket = s3.Bucket.from_bucket_arn(
self,
"ClientExistingBucket",
f"arn:aws:s3:::{existing_bucket.value_as_string.strip()}",
)
# Create the resource if existing_bucket_provided condition is True
core.Aspects.of(client_existing_bucket).add(
ConditionalResources(existing_bucket_provided))
# Import user provided Amazon ECR repository
client_erc_repo = ecr.Repository.from_repository_name(
self, "ClientExistingECRReo", existing_ecr_repo.value_as_string)
# Create the resource if existing_ecr_provided condition is True
core.Aspects.of(client_erc_repo).add(
ConditionalResources(existing_ecr_provided))
# Creating assets bucket so that users can upload ML Models to it.
assets_bucket = s3.Bucket(
self,
"pipeline-assets-" + str(uuid.uuid4()),
versioned=True,
encryption=s3.BucketEncryption.S3_MANAGED,
server_access_logs_bucket=access_logs_bucket,
server_access_logs_prefix="assets_bucket_access_logs",
block_public_access=s3.BlockPublicAccess.BLOCK_ALL,
)
# Apply secure transport bucket policy
apply_secure_bucket_policy(assets_bucket)
s3_actions = ["s3:GetObject", "s3:ListBucket"]
# if multi account
if multi_account:
# add permissions for other accounts to access the assets bucket
assets_bucket.add_to_resource_policy(
iam.PolicyStatement(
effect=iam.Effect.ALLOW,
actions=s3_actions,
principals=[
iam.AccountPrincipal(dev_account_id.value_as_string),
iam.AccountPrincipal(
staging_account_id.value_as_string),
iam.AccountPrincipal(prod_account_id.value_as_string),
],
resources=[
assets_bucket.bucket_arn,
f"{assets_bucket.bucket_arn}/*"
],
))
# Create the resource if create_new_bucket condition is True
core.Aspects.of(assets_bucket).add(
ConditionalResources(create_new_bucket))
# Get assets S3 bucket's name/arn, based on the condition
assets_s3_bucket_name = core.Fn.condition_if(
existing_bucket_provided.logical_id,
client_existing_bucket.bucket_name,
assets_bucket.bucket_name,
).to_string()
# Creating Amazon ECR repository
ecr_repo = ecr.Repository(self, "ECRRepo", image_scan_on_push=True)
# if multi account
if multi_account:
# add permissios to other account to pull images
ecr_repo.add_to_resource_policy(
iam.PolicyStatement(
effect=iam.Effect.ALLOW,
actions=[
"ecr:DescribeImages",
"ecr:DescribeRepositories",
"ecr:GetDownloadUrlForLayer",
"ecr:BatchGetImage",
"ecr:BatchCheckLayerAvailability",
],
principals=[
iam.AccountPrincipal(dev_account_id.value_as_string),
iam.AccountPrincipal(
staging_account_id.value_as_string),
iam.AccountPrincipal(prod_account_id.value_as_string),
],
))
# Create the resource if create_new_ecr condition is True
core.Aspects.of(ecr_repo).add(
ConditionalResources(create_new_ecr_repo))
# Get ECR repo's name based on the condition
ecr_repo_name = core.Fn.condition_if(
existing_ecr_provided.logical_id,
client_erc_repo.repository_name,
ecr_repo.repository_name,
).to_string()
# Get ECR repo's arn based on the condition
ecr_repo_arn = core.Fn.condition_if(
existing_ecr_provided.logical_id,
client_erc_repo.repository_arn,
ecr_repo.repository_arn,
).to_string()
blueprints_bucket_name = "blueprint-repository-" + str(uuid.uuid4())
blueprint_repository_bucket = s3.Bucket(
self,
blueprints_bucket_name,
encryption=s3.BucketEncryption.S3_MANAGED,
server_access_logs_bucket=access_logs_bucket,
server_access_logs_prefix=blueprints_bucket_name,
block_public_access=s3.BlockPublicAccess.BLOCK_ALL,
)
# Apply secure transport bucket policy
apply_secure_bucket_policy(blueprint_repository_bucket)
# if multi account
if multi_account:
# add permissions for other accounts to access the blueprint bucket
blueprint_repository_bucket.add_to_resource_policy(
iam.PolicyStatement(
effect=iam.Effect.ALLOW,
actions=s3_actions,
principals=[
iam.AccountPrincipal(dev_account_id.value_as_string),
iam.AccountPrincipal(
staging_account_id.value_as_string),
iam.AccountPrincipal(prod_account_id.value_as_string),
],
resources=[
blueprint_repository_bucket.bucket_arn,
f"{blueprint_repository_bucket.bucket_arn}/*"
],
))
# Custom resource to copy source bucket content to blueprints bucket
custom_resource_lambda_fn = lambda_.Function(
self,
"CustomResourceLambda",
code=lambda_.Code.from_asset("lambdas/custom_resource"),
handler="index.on_event",
runtime=lambda_.Runtime.PYTHON_3_8,
environment={
"source_bucket": "https://%%BUCKET_NAME%%-" + core.Aws.REGION +
".s3.amazonaws.com/%%SOLUTION_NAME%%/%%VERSION%%",
"destination_bucket": blueprint_repository_bucket.bucket_name,
"LOG_LEVEL": "INFO",
},
timeout=core.Duration.seconds(60),
)
custom_resource_lambda_fn.node.default_child.cfn_options.metadata = suppress_lambda_policies(
)
blueprint_repository_bucket.grant_write(custom_resource_lambda_fn)
custom_resource = core.CustomResource(
self,
"CustomResourceCopyAssets",
service_token=custom_resource_lambda_fn.function_arn,
)
custom_resource.node.add_dependency(blueprint_repository_bucket)
# IAM policies setup ###
cloudformation_role = iam.Role(
self,
"mlopscloudformationrole",
assumed_by=iam.ServicePrincipal("cloudformation.amazonaws.com"),
)
lambda_invoke_action = "lambda:InvokeFunction"
# Cloudformation policy setup
orchestrator_policy = iam.Policy(
self,
"lambdaOrchestratorPolicy",
statements=[
iam.PolicyStatement(
actions=[
"cloudformation:CreateStack",
"cloudformation:DeleteStack",
"cloudformation:UpdateStack",
"cloudformation:ListStackResources",
],
resources=[
(f"arn:{core.Aws.PARTITION}:cloudformation:{core.Aws.REGION}:"
f"{core.Aws.ACCOUNT_ID}:stack/{pipeline_stack_name}*/*"
),
],
),
iam.PolicyStatement(
actions=[
"iam:CreateRole",
"iam:DeleteRole",
"iam:DeleteRolePolicy",
"iam:GetRole",
"iam:GetRolePolicy",
"iam:PassRole",
"iam:PutRolePolicy",
"iam:AttachRolePolicy",
"iam:DetachRolePolicy",
],
resources=[
f"arn:{core.Aws.PARTITION}:iam::{core.Aws.ACCOUNT_ID}:role/{pipeline_stack_name}*"
],
),
iam.PolicyStatement(
actions=[
"ecr:CreateRepository",
"ecr:DescribeRepositories",
],
resources=[
(f"arn:{core.Aws.PARTITION}:ecr:{core.Aws.REGION}:"
f"{core.Aws.ACCOUNT_ID}:repository/{ecr_repo_name}")
],
),
iam.PolicyStatement(
actions=[
"codebuild:CreateProject",
"codebuild:DeleteProject",
"codebuild:BatchGetProjects",
],
resources=[
(f"arn:{core.Aws.PARTITION}:codebuild:{core.Aws.REGION}:"
f"{core.Aws.ACCOUNT_ID}:project/ContainerFactory*"),
(f"arn:{core.Aws.PARTITION}:codebuild:{core.Aws.REGION}:"
f"{core.Aws.ACCOUNT_ID}:project/VerifySagemaker*"),
(f"arn:{core.Aws.PARTITION}:codebuild:{core.Aws.REGION}:"
f"{core.Aws.ACCOUNT_ID}:report-group/*"),
],
),
iam.PolicyStatement(
actions=[
"lambda:CreateFunction",
"lambda:DeleteFunction",
lambda_invoke_action,
"lambda:PublishLayerVersion",
"lambda:DeleteLayerVersion",
"lambda:GetLayerVersion",
"lambda:GetFunctionConfiguration",
"lambda:GetFunction",
"lambda:AddPermission",
"lambda:RemovePermission",
"lambda:UpdateFunctionConfiguration",
],
resources=[
f"arn:{core.Aws.PARTITION}:lambda:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:layer:*",
f"arn:{core.Aws.PARTITION}:lambda:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:function:*",
],
),
iam.PolicyStatement(
actions=s3_actions,
resources=[
blueprint_repository_bucket.bucket_arn,
blueprint_repository_bucket.arn_for_objects("*"),
f"arn:{core.Aws.PARTITION}:s3:::{assets_s3_bucket_name}/*",
],
),
iam.PolicyStatement(
actions=[
"codepipeline:CreatePipeline",
"codepipeline:UpdatePipeline",
"codepipeline:DeletePipeline",
"codepipeline:GetPipeline",
"codepipeline:GetPipelineState",
],
resources=
[(f"arn:{core.Aws.PARTITION}:codepipeline:{core.Aws.REGION}:"
f"{core.Aws.ACCOUNT_ID}:{pipeline_stack_name}*")],
),
iam.PolicyStatement(
actions=[
"apigateway:POST",
"apigateway:PATCH",
"apigateway:DELETE",
"apigateway:GET",
"apigateway:PUT",
],
resources=[
f"arn:{core.Aws.PARTITION}:apigateway:{core.Aws.REGION}::/restapis/*",
f"arn:{core.Aws.PARTITION}:apigateway:{core.Aws.REGION}::/restapis",
f"arn:{core.Aws.PARTITION}:apigateway:{core.Aws.REGION}::/account",
f"arn:{core.Aws.PARTITION}:apigateway:{core.Aws.REGION}::/usageplans",
f"arn:{core.Aws.PARTITION}:apigateway:{core.Aws.REGION}::/usageplans/*",
],
),
iam.PolicyStatement(
actions=[
"logs:CreateLogGroup",
"logs:DescribeLogGroups",
],
resources=[
f"arn:{core.Aws.PARTITION}:logs:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:log-group:*",
],
),
iam.PolicyStatement(
actions=[
"s3:CreateBucket",
"s3:PutEncryptionConfiguration",
"s3:PutBucketVersioning",
"s3:PutBucketPublicAccessBlock",
"s3:PutBucketLogging",
],
resources=[f"arn:{core.Aws.PARTITION}:s3:::*"],
),
iam.PolicyStatement(
actions=[
"s3:PutObject",
],
resources=[
f"arn:{core.Aws.PARTITION}:s3:::{assets_s3_bucket_name}/*"
],
),
iam.PolicyStatement(
actions=[
"sns:CreateTopic",
"sns:DeleteTopic",
"sns:Subscribe",
"sns:Unsubscribe",
"sns:GetTopicAttributes",
"sns:SetTopicAttributes",
],
resources=
[(f"arn:{core.Aws.PARTITION}:sns:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:"
f"{pipeline_stack_name}*-*PipelineNotification*")],
),
iam.PolicyStatement(
actions=[
"events:PutRule",
"events:DescribeRule",
"events:PutTargets",
"events:RemoveTargets",
"events:DeleteRule",
"events:PutEvents",
],
resources=[
f"arn:{core.Aws.PARTITION}:events:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:rule/*",
f"arn:{core.Aws.PARTITION}:events:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}:event-bus/*",
],
),
],
)
orchestrator_policy.attach_to_role(cloudformation_role)
# Lambda function IAM setup
lambda_passrole_policy = iam.PolicyStatement(
actions=["iam:passrole"], resources=[cloudformation_role.role_arn])
# create sagemaker layer
sm_layer = sagemaker_layer(self, blueprint_repository_bucket)
# make sure the sagemaker code is uploaded first to the blueprints bucket
sm_layer.node.add_dependency(custom_resource)
# API Gateway and lambda setup to enable provisioning pipelines through API calls
provisioner_apigw_lambda = aws_apigateway_lambda.ApiGatewayToLambda(
self,
"PipelineOrchestration",
lambda_function_props={
"runtime": lambda_.Runtime.PYTHON_3_8,
"handler": "index.handler",
"code":
lambda_.Code.from_asset("lambdas/pipeline_orchestration"),
"layers": [sm_layer],
"timeout": core.Duration.minutes(10),
},
api_gateway_props={
"defaultMethodOptions": {
"authorizationType": apigw.AuthorizationType.IAM,
},
"restApiName": f"{core.Aws.STACK_NAME}-orchestrator",
"proxy": False,
"dataTraceEnabled": True,
},
)
# add lambda supressions
provisioner_apigw_lambda.lambda_function.node.default_child.cfn_options.metadata = suppress_lambda_policies(
)
provision_resource = provisioner_apigw_lambda.api_gateway.root.add_resource(
"provisionpipeline")
provision_resource.add_method("POST")
status_resource = provisioner_apigw_lambda.api_gateway.root.add_resource(
"pipelinestatus")
status_resource.add_method("POST")
blueprint_repository_bucket.grant_read(
provisioner_apigw_lambda.lambda_function)
provisioner_apigw_lambda.lambda_function.add_to_role_policy(
lambda_passrole_policy)
orchestrator_policy.attach_to_role(
provisioner_apigw_lambda.lambda_function.role)
# Environment variables setup
provisioner_apigw_lambda.lambda_function.add_environment(
key="BLUEPRINT_BUCKET_URL",
value=str(blueprint_repository_bucket.bucket_regional_domain_name),
)
provisioner_apigw_lambda.lambda_function.add_environment(
key="BLUEPRINT_BUCKET",
value=str(blueprint_repository_bucket.bucket_name))
provisioner_apigw_lambda.lambda_function.add_environment(
key="ACCESS_BUCKET", value=str(access_logs_bucket.bucket_name))
provisioner_apigw_lambda.lambda_function.add_environment(
key="ASSETS_BUCKET", value=str(assets_s3_bucket_name))
provisioner_apigw_lambda.lambda_function.add_environment(
key="CFN_ROLE_ARN", value=str(cloudformation_role.role_arn))
provisioner_apigw_lambda.lambda_function.add_environment(
key="PIPELINE_STACK_NAME", value=pipeline_stack_name)
provisioner_apigw_lambda.lambda_function.add_environment(
key="NOTIFICATION_EMAIL", value=notification_email.value_as_string)
provisioner_apigw_lambda.lambda_function.add_environment(
key="REGION", value=core.Aws.REGION)
provisioner_apigw_lambda.lambda_function.add_environment(
key="IS_MULTI_ACCOUNT", value=str(multi_account))
# if multi account
if multi_account:
provisioner_apigw_lambda.lambda_function.add_environment(
key="DEV_ACCOUNT_ID", value=dev_account_id.value_as_string)
provisioner_apigw_lambda.lambda_function.add_environment(
key="DEV_ORG_ID", value=dev_org_id.value_as_string)
provisioner_apigw_lambda.lambda_function.add_environment(
key="STAGING_ACCOUNT_ID",
value=staging_account_id.value_as_string)
provisioner_apigw_lambda.lambda_function.add_environment(
key="STAGING_ORG_ID", value=staging_org_id.value_as_string)
provisioner_apigw_lambda.lambda_function.add_environment(
key="PROD_ACCOUNT_ID", value=prod_account_id.value_as_string)
provisioner_apigw_lambda.lambda_function.add_environment(
key="PROD_ORG_ID", value=prod_org_id.value_as_string)
provisioner_apigw_lambda.lambda_function.add_environment(
key="ECR_REPO_NAME", value=ecr_repo_name)
provisioner_apigw_lambda.lambda_function.add_environment(
key="ECR_REPO_ARN", value=ecr_repo_arn)
provisioner_apigw_lambda.lambda_function.add_environment(
key="LOG_LEVEL", value="DEBUG")
cfn_policy_for_lambda = orchestrator_policy.node.default_child
cfn_policy_for_lambda.cfn_options.metadata = {
"cfn_nag": {
"rules_to_suppress": [{
"id":
"W76",
"reason":
"A complex IAM policy is required for this resource.",
}]
}
}
# Codepipeline with Git source definitions ###
source_output = codepipeline.Artifact()
# processing git_address to retrieve repo name
repo_name_split = core.Fn.split("/", git_address.value_as_string)
repo_name = core.Fn.select(5, repo_name_split)
# getting codecommit repo cdk object using 'from_repository_name'
repo = codecommit.Repository.from_repository_name(
self, "AWSMLOpsFrameworkRepository", repo_name)
codebuild_project = codebuild.PipelineProject(
self,
"Take config file",
build_spec=codebuild.BuildSpec.from_object({
"version": "0.2",
"phases": {
"build": {
"commands": [
"ls -a",
"aws lambda invoke --function-name " +
provisioner_apigw_lambda.lambda_function.
function_name +
" --payload fileb://mlops-config.json response.json"
+ " --invocation-type RequestResponse",
]
}
},
}),
)
# Defining a Codepipeline project with CodeCommit as source
codecommit_pipeline = codepipeline.Pipeline(
self,
"MLOpsCodeCommitPipeline",
stages=[
codepipeline.StageProps(
stage_name="Source",
actions=[
codepipeline_actions.CodeCommitSourceAction(
action_name="CodeCommit",
repository=repo,
branch="main",
output=source_output,
)
],
),
codepipeline.StageProps(
stage_name="TakeConfig",
actions=[
codepipeline_actions.CodeBuildAction(
action_name="provision_pipeline",
input=source_output,
outputs=[],
project=codebuild_project,
)
],
),
],
cross_account_keys=False,
)
codecommit_pipeline.add_to_role_policy(
iam.PolicyStatement(
actions=[lambda_invoke_action],
resources=[
provisioner_apigw_lambda.lambda_function.function_arn
],
))
codebuild_project.add_to_role_policy(
iam.PolicyStatement(
actions=[lambda_invoke_action],
resources=[
provisioner_apigw_lambda.lambda_function.function_arn
],
))
pipeline_child_nodes = codecommit_pipeline.node.find_all()
pipeline_child_nodes[1].node.default_child.cfn_options.metadata = {
"cfn_nag": {
"rules_to_suppress": [
{
"id":
"W35",
"reason":
"This is a managed bucket generated by CDK for codepipeline.",
},
{
"id":
"W51",
"reason":
"This is a managed bucket generated by CDK for codepipeline.",
},
]
}
}
# custom resource for operational metrics###
metrics_mapping = core.CfnMapping(
self,
"AnonymousData",
mapping={"SendAnonymousData": {
"Data": "Yes"
}})
metrics_condition = core.CfnCondition(
self,
"AnonymousDatatoAWS",
expression=core.Fn.condition_equals(
metrics_mapping.find_in_map("SendAnonymousData", "Data"),
"Yes"),
)
helper_function = lambda_.Function(
self,
"SolutionHelper",
code=lambda_.Code.from_asset("lambdas/solution_helper"),
handler="lambda_function.handler",
runtime=lambda_.Runtime.PYTHON_3_8,
timeout=core.Duration.seconds(60),
)
helper_function.node.default_child.cfn_options.metadata = suppress_lambda_policies(
)
create_id_function = core.CustomResource(
self,
"CreateUniqueID",
service_token=helper_function.function_arn,
properties={"Resource": "UUID"},
resource_type="Custom::CreateUUID",
)
send_data_function = core.CustomResource(
self,
"SendAnonymousData",
service_token=helper_function.function_arn,
properties={
"Resource": "AnonymousMetric",
"UUID": create_id_function.get_att_string("UUID"),
"gitSelected": git_address.value_as_string,
"Region": core.Aws.REGION,
"SolutionId": "SO0136",
"Version": "%%VERSION%%",
},
resource_type="Custom::AnonymousData",
)
core.Aspects.of(helper_function).add(
ConditionalResources(metrics_condition))
core.Aspects.of(create_id_function).add(
ConditionalResources(metrics_condition))
core.Aspects.of(send_data_function).add(
ConditionalResources(metrics_condition))
# If user chooses Git as pipeline provision type, create codepipeline with Git repo as source
core.Aspects.of(repo).add(ConditionalResources(git_address_provided))
core.Aspects.of(codecommit_pipeline).add(
ConditionalResources(git_address_provided))
core.Aspects.of(codebuild_project).add(
ConditionalResources(git_address_provided))
# Create Template Interface
paramaters_list = [
notification_email.logical_id,
git_address.logical_id,
existing_bucket.logical_id,
existing_ecr_repo.logical_id,
]
# if multi account
if multi_account:
paramaters_list.extend([
dev_account_id.logical_id,
dev_org_id.logical_id,
staging_account_id.logical_id,
staging_org_id.logical_id,
prod_account_id.logical_id,
prod_org_id.logical_id,
])
paramaters_labels = {
f"{notification_email.logical_id}": {
"default": "Notification Email (Required)"
},
f"{git_address.logical_id}": {
"default": "CodeCommit Repo URL Address (Optional)"
},
f"{existing_bucket.logical_id}": {
"default": "Name of an Existing S3 Bucket (Optional)"
},
f"{existing_ecr_repo.logical_id}": {
"default":
"Name of an Existing Amazon ECR repository (Optional)"
},
}
if multi_account:
paramaters_labels.update({
f"{dev_account_id.logical_id}": {
"default": "Development Account ID (Required)"
},
f"{dev_org_id.logical_id}": {
"default":
"Development Account Organizational Unit ID (Required)"
},
f"{staging_account_id.logical_id}": {
"default": "Staging Account ID (Required)"
},
f"{staging_org_id.logical_id}": {
"default":
"Staging Account Organizational Unit ID (Required)"
},
f"{prod_account_id.logical_id}": {
"default": "Production Account ID (Required)"
},
f"{prod_org_id.logical_id}": {
"default":
"Production Account Organizational Unit ID (Required)"
},
})
self.template_options.metadata = {
"AWS::CloudFormation::Interface": {
"ParameterGroups": [{
"Label": {
"default": "MLOps Framework Settings"
},
"Parameters": paramaters_list,
}],
"ParameterLabels":
paramaters_labels,
}
}
# Outputs #
core.CfnOutput(
self,
id="BlueprintsBucket",
value=
f"https://s3.console.aws.amazon.com/s3/buckets/{blueprint_repository_bucket.bucket_name}",
description="S3 Bucket to upload MLOps Framework Blueprints",
)
core.CfnOutput(
self,
id="AssetsBucket",
value=
f"https://s3.console.aws.amazon.com/s3/buckets/{assets_s3_bucket_name}",
description="S3 Bucket to upload model artifact",
)
core.CfnOutput(
self,
id="ECRRepoName",
value=ecr_repo_name,
description="Amazon ECR repository's name",
)
core.CfnOutput(
self,
id="ECRRepoArn",
value=ecr_repo_arn,
description="Amazon ECR repository's arn",
)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
sns_principals_mapping = core.CfnMapping(
scope=self,
id="Inspector SNS Principals",
mapping={
"eu-central-1": {
"ARN": "arn:aws:iam::537503971621:root"
},
"us-east-1": {
"ARN": "arn:aws:iam::316112463485:root"
},
"eu-west-1": {
"ARN": "arn:aws:iam::357557129151:root"
},
"us-east-2": {
"ARN": "arn:aws:iam::646659390643:root"
},
}
)
inspector_rules_mapping = core.CfnMapping(
scope=self,
id="Inspector Rule packages",
mapping={
"eu-central-1": {
"CVE": "arn:aws:inspector:eu-central-1:537503971621:rulespackage/0-wNqHa8M9",
"CIS": "arn:aws:inspector:eu-central-1:537503971621:rulespackage/0-nZrAVuv8",
"securityBestPractices": "arn:aws:inspector:eu-central-1:537503971621:rulespackage/0-ZujVHEPB",
"runtimeBehaviorAnalysis": "arn:aws:inspector:eu-central-1:537503971621:rulespackage/0-0GMUM6fg"
},
"eu-west-1": {
"CVE": "arn:aws:inspector:eu-west-1:357557129151:rulespackage/0-ubA5XvBh",
"CIS": "arn:aws:inspector:eu-west-1:357557129151:rulespackage/0-sJBhCr0F",
"securityBestPractices": "arn:aws:inspector:eu-west-1:357557129151:rulespackage/0-SnojL3Z6",
"runtimeBehaviorAnalysis": "arn:aws:inspector:eu-west-1:357557129151:rulespackage/0-lLmwe1zd"
},
"us-east-1": {
"CVE": "arn:aws:inspector:us-east-1:316112463485:rulespackage/0-gEjTy7T7",
"CIS": "arn:aws:inspector:us-east-1:316112463485:rulespackage/0-rExsr2X8",
"securityBestPractices": "arn:aws:inspector:us-east-1:316112463485:rulespackage/0-R01qwB5Q",
"runtimeBehaviorAnalysis": "arn:aws:inspector:us-east-1:316112463485:rulespackage/0-gBONHN9h"
},
"us-east-2": {
"CVE": "arn:aws:inspector:us-east-2:646659390643:rulespackage/0-JnA8Zp85",
"CIS": "arn:aws:inspector:us-east-2:646659390643:rulespackage/0-m8r61nnh",
"securityBestPractices": "arn:aws:inspector:us-east-2:646659390643:rulespackage/0-AxKmMHPX",
"runtimeBehaviorAnalysis": "arn:aws:inspector:us-east-2:646659390643:rulespackage/0-UCYZFKPV"
},
}
)
resource_group = inspector.CfnResourceGroup(
scope=self,
id="CDK test resource group",
resource_group_tags=[core.CfnTag(key="Inspector", value="true")]
)
assessment_target = inspector.CfnAssessmentTarget(
scope=self,
id="CDK test assessment target",
resource_group_arn=resource_group.attr_arn
)
assessment_template = inspector.CfnAssessmentTemplate(
scope=self,
id="CDK test assessment template",
assessment_target_arn=assessment_target.attr_arn,
duration_in_seconds=300,
rules_package_arns=[
inspector_rules_mapping.find_in_map(self.region, package) for package in (
"CVE", "CIS", "securityBestPractices", "runtimeBehaviorAnalysis"
)
]
)
report_function = aws_lambda.Function(
scope=self,
id="CDK Inspector test report processor",
code=aws_lambda.Code.from_asset("report_function"),
handler="report.lambda_handler",
runtime=aws_lambda.Runtime.PYTHON_3_7
)
topic = sns.Topic(
scope=self,
id="CDK Inspector topic"
)
topic.add_to_resource_policy(
statement=iam.PolicyStatement(
actions=["SNS:Publish"],
principals=[iam.ArnPrincipal(arn=sns_principals_mapping.find_in_map(self.region, "ARN"))],
resources=[topic.topic_arn]
)
)
topic.add_subscription(
subscription=sns_subs.LambdaSubscription(fn=report_function)
)
subscriber = InspectorSubscriberCustomResource(
scope=self,
id="Inspector SNS Subscriber",
Template=assessment_template.attr_arn,
Topic=topic.topic_arn
)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
current_directory = os.path.realpath(
os.path.join(os.getcwd(), os.path.dirname(__file__)))
allowed_values = yaml.load(open(
os.path.join(current_directory, "..", "..",
"allowed_values.yaml")),
Loader=yaml.SafeLoader)
ami_mapping = {"AMI": {"OEJITSI": AMI_NAME}}
for region in generated_ami_ids.keys():
ami_mapping[region] = {"OEJITSI": generated_ami_ids[region]}
aws_ami_region_map = core.CfnMapping(self,
"AWSAMIRegionMap",
mapping=ami_mapping)
# utility function to parse the unique id from the stack id for
# shorter resource names using cloudformation functions
def append_stack_uuid(name):
return core.Fn.join("-", [
name,
core.Fn.select(
0,
core.Fn.split(
"-",
core.Fn.select(2, core.Fn.split(
"/", core.Aws.STACK_ID))))
])
#
# PARAMETERS
#
cidr_block_param = core.CfnParameter(
self,
"IngressCidrBlock",
allowed_pattern="((\d{1,3})\.){3}\d{1,3}/\d{1,2}",
default="0.0.0.0/0",
description=
"Required: A CIDR block to restrict access to the Jitsi application. Leave as 0.0.0.0/0 to allow public access from internet."
)
ec2_instance_type_param = core.CfnParameter(
self,
"InstanceType",
allowed_values=allowed_values["allowed_instance_types"],
default="t3.xlarge",
description=
"Required: The EC2 instance type for the application Auto Scaling Group."
)
jitsi_hostname_param = core.CfnParameter(
self,
"JitsiHostname",
description=
"Required: The hostname to access Jitsi. E.G. 'jitsi.internal.mycompany.com'"
)
jitsi_interface_app_name_param = core.CfnParameter(
self,
"JitsiInterfaceAppName",
default="Jitsi Meet",
description=
"Optional: Customize the app name on the Jitsi interface.")
jitsi_interface_default_remote_display_name_param = core.CfnParameter(
self,
"JitsiInterfaceDefaultRemoteDisplayName",
default="Fellow Jitster",
description=
"Optional: Customize the default display name for Jitsi users.")
jitsi_interface_native_app_name_param = core.CfnParameter(
self,
"JitsiInterfaceNativeAppName",
default="Jitsi Meet",
description=
"Optional: Customize the native app name on the Jitsi interface.")
jitsi_interface_show_brand_watermark_param = core.CfnParameter(
self,
"JitsiInterfaceShowBrandWatermark",
allowed_values=["true", "false"],
default="true",
description=
"Optional: Display the watermark logo image in the upper left corner."
)
jitsi_interface_show_watermark_for_guests_param = core.CfnParameter(
self,
"JitsiInterfaceShowWatermarkForGuests",
allowed_values=["true", "false"],
default="true",
description=
"Optional: Display the watermark logo image in the upper left corner for guest users. This can be set to override the general setting behavior for guest users."
)
jitsi_interface_brand_watermark_param = core.CfnParameter(
self,
"JitsiInterfaceBrandWatermark",
default="",
description=
"Optional: Provide a URL to a PNG image to be used as the brand watermark logo image in the upper right corner. File should be publically available for download."
)
jitsi_interface_brand_watermark_link_param = core.CfnParameter(
self,
"JitsiInterfaceBrandWatermarkLink",
default="http://jitsi.org",
description=
"Optional: Provide a link destination for the brand watermark logo image in the upper right corner."
)
jitsi_interface_watermark_param = core.CfnParameter(
self,
"JitsiInterfaceWatermark",
default="",
description=
"Optional: Provide a URL to a PNG image to be used as the watermark logo image in the upper left corner. File should be publically available for download."
)
jitsi_interface_watermark_link_param = core.CfnParameter(
self,
"JitsiInterfaceWatermarkLink",
default="http://jitsi.org",
description=
"Optional: Provide a link destination for the Jitsi watermark logo image in the upper left corner."
)
route_53_hosted_zone_name_param = core.CfnParameter(
self,
"Route53HostedZoneName",
description=
"Required: Route 53 Hosted Zone name in which a DNS record will be created by this template. Must already exist and be the domain part of the Jitsi Hostname parameter, without trailing dot. E.G. 'internal.mycompany.com'"
)
notification_email_param = core.CfnParameter(
self,
"NotificationEmail",
default="",
description=
"Optional: Specify an email address to get emails about deploys, Let's Encrypt, and other system events."
)
#
# CONDITIONS
#
notification_email_exists_condition = core.CfnCondition(
self,
"NotificationEmailExistsCondition",
expression=core.Fn.condition_not(
core.Fn.condition_equals(notification_email_param.value, "")))
#
# RESOURCES
#
# vpc
vpc = Vpc(self, "Vpc")
# sns
sns_notification_topic = aws_sns.CfnTopic(
self,
"NotificationTopic",
topic_name="{}-notifications".format(core.Aws.STACK_NAME))
sns_notification_subscription = aws_sns.CfnSubscription(
self,
"NotificationSubscription",
protocol="email",
topic_arn=sns_notification_topic.ref,
endpoint=notification_email_param.value_as_string)
sns_notification_subscription.cfn_options.condition = notification_email_exists_condition
iam_notification_publish_policy = aws_iam.PolicyDocument(statements=[
aws_iam.PolicyStatement(effect=aws_iam.Effect.ALLOW,
actions=["sns:Publish"],
resources=[sns_notification_topic.ref])
])
# cloudwatch
app_log_group = aws_logs.CfnLogGroup(
self, "JitsiAppLogGroup", retention_in_days=TWO_YEARS_IN_DAYS)
app_log_group.cfn_options.update_replace_policy = core.CfnDeletionPolicy.RETAIN
app_log_group.cfn_options.deletion_policy = core.CfnDeletionPolicy.RETAIN
system_log_group = aws_logs.CfnLogGroup(
self, "JitsiSystemLogGroup", retention_in_days=TWO_YEARS_IN_DAYS)
system_log_group.cfn_options.update_replace_policy = core.CfnDeletionPolicy.RETAIN
system_log_group.cfn_options.deletion_policy = core.CfnDeletionPolicy.RETAIN
# iam
iam_jitsi_instance_role = aws_iam.CfnRole(
self,
"JitsiInstanceRole",
assume_role_policy_document=aws_iam.PolicyDocument(statements=[
aws_iam.PolicyStatement(
effect=aws_iam.Effect.ALLOW,
actions=["sts:AssumeRole"],
principals=[aws_iam.ServicePrincipal("ec2.amazonaws.com")])
]),
policies=[
aws_iam.CfnRole.PolicyProperty(
policy_document=aws_iam.PolicyDocument(statements=[
aws_iam.PolicyStatement(
effect=aws_iam.Effect.ALLOW,
actions=[
"logs:CreateLogStream",
"logs:DescribeLogStreams", "logs:PutLogEvents"
],
resources=[
app_log_group.attr_arn,
system_log_group.attr_arn
])
]),
policy_name="AllowStreamLogsToCloudWatch"),
aws_iam.CfnRole.PolicyProperty(
policy_document=aws_iam.PolicyDocument(statements=[
aws_iam.PolicyStatement(
effect=aws_iam.Effect.ALLOW,
actions=[
"ec2:AssociateAddress", "ec2:DescribeVolumes",
"ec2:DescribeTags",
"cloudwatch:GetMetricStatistics",
"cloudwatch:ListMetrics",
"cloudwatch:PutMetricData"
],
resources=["*"])
]),
policy_name="AllowStreamMetricsToCloudWatch"),
aws_iam.CfnRole.PolicyProperty(
policy_document=aws_iam.PolicyDocument(statements=[
aws_iam.PolicyStatement(
effect=aws_iam.Effect.ALLOW,
actions=["autoscaling:Describe*"],
resources=["*"])
]),
policy_name="AllowDescribeAutoScaling"),
],
managed_policy_arns=[
"arn:aws:iam::aws:policy/AmazonSSMManagedInstanceCore"
])
# ec2
jitsi_sg = aws_ec2.CfnSecurityGroup(
self,
"JitsiSg",
group_description="Jitsi security group",
vpc_id=vpc.id())
eip = aws_ec2.CfnEIP(self, "Eip", domain="vpc")
core.Tags.of(eip).add("Name", "{}/Eip".format(core.Aws.STACK_NAME))
ec2_instance_profile = aws_iam.CfnInstanceProfile(
self, "JitsiInstanceProfile", roles=[iam_jitsi_instance_role.ref])
with open("jitsi/jitsi_launch_config_user_data.sh") as f:
jitsi_launch_config_user_data = f.read()
ec2_launch_config = aws_autoscaling.CfnLaunchConfiguration(
self,
"JitsiLaunchConfig",
image_id=core.Fn.find_in_map("AWSAMIRegionMap", core.Aws.REGION,
"OEJITSI"),
instance_type=ec2_instance_type_param.value_as_string,
iam_instance_profile=ec2_instance_profile.ref,
security_groups=[jitsi_sg.ref],
user_data=(core.Fn.base64(
core.Fn.sub(
jitsi_launch_config_user_data, {
"JitsiHostname":
jitsi_hostname_param.value_as_string,
"JitsiPublicIP":
eip.ref,
"LetsEncryptCertificateEmail":
notification_email_param.value_as_string
}))))
# autoscaling
asg = aws_autoscaling.CfnAutoScalingGroup(
self,
"JitsiAsg",
launch_configuration_name=ec2_launch_config.ref,
desired_capacity="1",
max_size="1",
min_size="1",
vpc_zone_identifier=vpc.public_subnet_ids())
asg.cfn_options.creation_policy = core.CfnCreationPolicy(
resource_signal=core.CfnResourceSignal(count=1, timeout="PT15M"))
asg.cfn_options.update_policy = core.CfnUpdatePolicy(
auto_scaling_rolling_update=core.CfnAutoScalingRollingUpdate(
max_batch_size=1,
min_instances_in_service=0,
pause_time="PT15M",
wait_on_resource_signals=True))
core.Tags.of(asg).add("Name",
"{}/JitsiAsg".format(core.Aws.STACK_NAME))
jitsi_http_ingress = aws_ec2.CfnSecurityGroupIngress(
self,
"JitsiHttpSgIngress",
cidr_ip=cidr_block_param.value_as_string,
from_port=80,
group_id=jitsi_sg.ref,
ip_protocol="tcp",
to_port=80)
jitsi_https_ingress = aws_ec2.CfnSecurityGroupIngress(
self,
"JitsiHttpsSgIngress",
cidr_ip=cidr_block_param.value_as_string,
from_port=443,
group_id=jitsi_sg.ref,
ip_protocol="tcp",
to_port=443)
jitsi_fallback_network_audio_video_ingress = aws_ec2.CfnSecurityGroupIngress(
self,
"JitsiFallbackNetworkAudioVideoSgIngress",
cidr_ip=cidr_block_param.value_as_string,
from_port=4443,
group_id=jitsi_sg.ref,
ip_protocol="tcp",
to_port=4443)
jitsi_general_network_audio_video_ingress = aws_ec2.CfnSecurityGroupIngress(
self,
"JitsiGeneralNetworkAudioVideoSgIngress",
cidr_ip=cidr_block_param.value_as_string,
from_port=10000,
group_id=jitsi_sg.ref,
ip_protocol="udp",
to_port=10000)
# route 53
record_set = aws_route53.CfnRecordSet(
self,
"RecordSet",
hosted_zone_name=
f"{route_53_hosted_zone_name_param.value_as_string}.",
name=jitsi_hostname_param.value_as_string,
resource_records=[eip.ref],
type="A")
# https://github.com/aws/aws-cdk/issues/8431
record_set.add_property_override("TTL", 60)
# AWS::CloudFormation::Interface
self.template_options.metadata = {
"OE::Patterns::TemplateVersion": template_version,
"AWS::CloudFormation::Interface": {
"ParameterGroups": [{
"Label": {
"default": "Infrastructure Config"
},
"Parameters": [
jitsi_hostname_param.logical_id,
route_53_hosted_zone_name_param.logical_id,
cidr_block_param.logical_id,
ec2_instance_type_param.logical_id,
notification_email_param.logical_id
]
}, {
"Label": {
"default": "Jitsi Config"
},
"Parameters": [
jitsi_interface_app_name_param.logical_id,
jitsi_interface_default_remote_display_name_param.
logical_id,
jitsi_interface_native_app_name_param.logical_id,
jitsi_interface_show_brand_watermark_param.logical_id,
jitsi_interface_show_watermark_for_guests_param.
logical_id,
jitsi_interface_brand_watermark_param.logical_id,
jitsi_interface_brand_watermark_link_param.logical_id,
jitsi_interface_watermark_param.logical_id,
jitsi_interface_watermark_link_param.logical_id,
]
}, *vpc.metadata_parameter_group()],
"ParameterLabels": {
cidr_block_param.logical_id: {
"default": "Ingress CIDR Block"
},
ec2_instance_type_param.logical_id: {
"default": "EC2 instance type"
},
jitsi_hostname_param.logical_id: {
"default": "Jitsi Hostname"
},
jitsi_interface_app_name_param.logical_id: {
"default": "Jitsi Interface App Name"
},
jitsi_interface_default_remote_display_name_param.logical_id:
{
"default":
"Jitsi Interface Default Remote Display Name"
},
jitsi_interface_native_app_name_param.logical_id: {
"default": "Jitsi Interface Native App Name"
},
jitsi_interface_show_brand_watermark_param.logical_id: {
"default": "Jitsi Interface Show Watermark"
},
jitsi_interface_show_watermark_for_guests_param.logical_id:
{
"default": "Jitsi Interface Show Watermark For Guests"
},
jitsi_interface_brand_watermark_param.logical_id: {
"default": "Jitsi Interface Watermark"
},
jitsi_interface_brand_watermark_link_param.logical_id: {
"default": "Jitsi Interface Watermark Link"
},
jitsi_interface_watermark_param.logical_id: {
"default": "Jitsi Interface Watermark"
},
jitsi_interface_watermark_link_param.logical_id: {
"default": "Jitsi Interface Watermark Link"
},
notification_email_param.logical_id: {
"default": "Notification Email"
},
route_53_hosted_zone_name_param.logical_id: {
"default": "AWS Route 53 Hosted Zone Name"
},
**vpc.metadata_parameter_labels()
}
}
}
#
# OUTPUTS
#
eip_output = core.CfnOutput(
self,
"EipOutput",
description=
"The Elastic IP address dynamically mapped to the autoscaling group instance.",
value=eip.ref)
endpoint_output = core.CfnOutput(
self,
"JitsiUrl",
description="The URL for the Jitsi instance.",
value=core.Fn.join(
"", ["https://", jitsi_hostname_param.value_as_string]))
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
######################################################################
# ELB mapping
######################################################################
elb_id_temp = region_info.FactName.ELBV2_ACCOUNT
elb_map_temp = region_info.RegionInfo.region_map(elb_id_temp)
elb_mapping = {}
for key in elb_map_temp:
elb_mapping[key] = {'accountid': elb_map_temp[key]}
elb_accounts = core.CfnMapping(scope=self,
id='ELBv2AccountMap',
mapping=elb_mapping)
######################################################################
# get params
######################################################################
allow_source_address = core.CfnParameter(
self,
'AllowedSourceIpAddresses',
allowed_pattern=r'^[0-9./\s]*',
description='Space-delimited list of CIDR blocks',
default='10.0.0.0/8 172.16.0.0/12 192.168.0.0/16')
sns_email = core.CfnParameter(
self,
'SnsEmail',
allowed_pattern=r'^[0-9a-zA-Z@_\-\+\.]*',
description=('Input your email as SNS topic, where Amazon ES will '
'send alerts to'),
default='*****@*****.**')
geoip_license_key = core.CfnParameter(
self,
'GeoLite2LicenseKey',
allowed_pattern=r'^[0-9a-zA-Z]{16}$',
default='xxxxxxxxxxxxxxxx',
description=("If you wolud like to enrich geoip locaiton such as "
"IP address's country, get a license key form MaxMind"
" and input the key. If you not, keep "
"xxxxxxxxxxxxxxxx"))
aes_domain_name = self.node.try_get_context('aes_domain_name')
bucket = f'{aes_domain_name}-{core.Aws.ACCOUNT_ID}'
s3bucket_name_geo = f'{bucket}-geo'
s3bucket_name_log = f'{bucket}-log'
s3bucket_name_snapshot = f'{bucket}-snapshot'
# organizations / multiaccount
org_id = self.node.try_get_context('organizations').get('org_id')
org_mgmt_id = self.node.try_get_context('organizations').get(
'management_id')
org_member_ids = self.node.try_get_context('organizations').get(
'member_ids')
no_org_ids = self.node.try_get_context('no_organizations').get(
'aws_accounts')
temp_geo = self.node.try_get_context('s3_bucket_name').get('geo')
if temp_geo:
s3bucket_name_geo = temp_geo
temp_log = self.node.try_get_context('s3_bucket_name').get('log')
if temp_log:
s3bucket_name_log = temp_log
elif org_id or no_org_ids:
s3bucket_name_log = f'{aes_domain_name}-{self.account}-log'
temp_snap = self.node.try_get_context('s3_bucket_name').get('snapshot')
if temp_snap:
s3bucket_name_snapshot = temp_snap
kms_cmk_alias = self.node.try_get_context('kms_cmk_alias')
if not kms_cmk_alias:
kms_cmk_alias = 'aes-siem-key'
######################################################################
# deploy VPC when context is defined as using VPC
######################################################################
# vpc_type is 'new' or 'import' or None
vpc_type = self.node.try_get_context('vpc_type')
if vpc_type == 'new':
is_vpc = True
vpc_cidr = self.node.try_get_context('new_vpc_nw_cidr_block')
subnet_cidr_mask = int(
self.node.try_get_context('new_vpc_subnet_cidr_mask'))
is_vpc = True
# VPC
vpc_aes_siem = aws_ec2.Vpc(
self,
'VpcAesSiem',
cidr=vpc_cidr,
max_azs=3,
nat_gateways=0,
subnet_configuration=[
aws_ec2.SubnetConfiguration(
subnet_type=aws_ec2.SubnetType.ISOLATED,
name='aes-siem-subnet',
cidr_mask=subnet_cidr_mask)
])
subnet1 = vpc_aes_siem.isolated_subnets[0]
subnets = [{'subnet_type': aws_ec2.SubnetType.ISOLATED}]
vpc_subnets = aws_ec2.SubnetSelection(
subnet_type=aws_ec2.SubnetType.ISOLATED)
vpc_aes_siem_opt = vpc_aes_siem.node.default_child.cfn_options
vpc_aes_siem_opt.deletion_policy = core.CfnDeletionPolicy.RETAIN
for subnet in vpc_aes_siem.isolated_subnets:
subnet_opt = subnet.node.default_child.cfn_options
subnet_opt.deletion_policy = core.CfnDeletionPolicy.RETAIN
elif vpc_type == 'import':
vpc_id = self.node.try_get_context('imported_vpc_id')
_sbunet1 = self.node.try_get_context('imported_vpc_subnet1')
_sbunet2 = self.node.try_get_context('imported_vpc_subnet2')
_sbunet3 = self.node.try_get_context('imported_vpc_subnet3')
vpc_aes_siem = aws_ec2.Vpc.from_lookup(self,
'VpcAesSiem',
vpc_id=vpc_id)
subnet1 = aws_ec2.Subnet.from_subnet_attributes(
self, 'Subenet1', **_sbunet1)
subnet2 = aws_ec2.Subnet.from_subnet_attributes(
self, 'Subenet2', **_sbunet2)
subnet3 = aws_ec2.Subnet.from_subnet_attributes(
self, 'Subenet3', **_sbunet3)
subnets = [subnet1, subnet2, subnet3]
vpc_subnets = aws_ec2.SubnetSelection(subnets=subnets)
if vpc_type:
is_vpc = True
# Security Group
sg_vpc_noinbound_aes_siem = aws_ec2.SecurityGroup(
self,
'AesSiemVpcNoinboundSecurityGroup',
security_group_name='aes-siem-noinbound-vpc-sg',
vpc=vpc_aes_siem)
sg_vpc_aes_siem = aws_ec2.SecurityGroup(
self,
'AesSiemVpcSecurityGroup',
security_group_name='aes-siem-vpc-sg',
vpc=vpc_aes_siem)
sg_vpc_aes_siem.add_ingress_rule(
peer=aws_ec2.Peer.ipv4(vpc_aes_siem.vpc_cidr_block),
connection=aws_ec2.Port.tcp(443),
)
sg_vpc_opt = sg_vpc_aes_siem.node.default_child.cfn_options
sg_vpc_opt.deletion_policy = core.CfnDeletionPolicy.RETAIN
# VPC Endpoint
vpc_aes_siem.add_gateway_endpoint(
'S3Endpoint',
service=aws_ec2.GatewayVpcEndpointAwsService.S3,
subnets=subnets)
vpc_aes_siem.add_interface_endpoint(
'SQSEndpoint',
security_groups=[sg_vpc_aes_siem],
service=aws_ec2.InterfaceVpcEndpointAwsService.SQS,
)
vpc_aes_siem.add_interface_endpoint(
'KMSEndpoint',
security_groups=[sg_vpc_aes_siem],
service=aws_ec2.InterfaceVpcEndpointAwsService.KMS,
)
vpc_aes_siem.add_interface_endpoint(
'SNSEndpoint',
security_groups=[sg_vpc_aes_siem],
service=aws_ec2.InterfaceVpcEndpointAwsService.SNS,
)
else:
is_vpc = False
is_vpc = core.CfnCondition(self,
'IsVpc',
expression=core.Fn.condition_equals(
is_vpc, True))
"""
CloudFormation実行時の条件式の書き方
ClassのBasesが aws_cdk.core.Resource の時は、
node.default_child.cfn_options.condition = is_vpc
ClassのBasesが aws_cdk.core.CfnResource の時は、
cfn_options.condition = is_vpc
"""
######################################################################
# create cmk of KMS to encrypt S3 bucket
######################################################################
kms_aes_siem = aws_kms.Key(self,
'KmsAesSiemLog',
description='CMK for SIEM solution',
removal_policy=core.RemovalPolicy.RETAIN)
aws_kms.Alias(self,
'KmsAesSiemLogAlias',
alias_name=kms_cmk_alias,
target_key=kms_aes_siem,
removal_policy=core.RemovalPolicy.RETAIN)
kms_aes_siem.add_to_resource_policy(
aws_iam.PolicyStatement(
sid='Allow GuardDuty to use the key',
actions=['kms:GenerateDataKey'],
principals=[
aws_iam.ServicePrincipal('guardduty.amazonaws.com')
],
resources=['*'],
), )
kms_aes_siem.add_to_resource_policy(
aws_iam.PolicyStatement(
sid='Allow VPC Flow Logs to use the key',
actions=[
'kms:Encrypt', 'kms:Decrypt', 'kms:ReEncrypt*',
'kms:GenerateDataKey*', 'kms:DescribeKey'
],
principals=[
aws_iam.ServicePrincipal('delivery.logs.amazonaws.com')
],
resources=['*'],
), )
# basic policy
key_policy_basic1 = aws_iam.PolicyStatement(
sid='Allow principals in the account to decrypt log files',
actions=['kms:DescribeKey', 'kms:ReEncryptFrom'],
principals=[
aws_iam.AccountPrincipal(account_id=core.Aws.ACCOUNT_ID)
],
resources=['*'],
)
kms_aes_siem.add_to_resource_policy(key_policy_basic1)
# for CloudTrail
key_policy_trail1 = aws_iam.PolicyStatement(
sid='Allow CloudTrail to describe key',
actions=['kms:DescribeKey'],
principals=[aws_iam.ServicePrincipal('cloudtrail.amazonaws.com')],
resources=['*'],
)
kms_aes_siem.add_to_resource_policy(key_policy_trail1)
key_policy_trail2 = aws_iam.PolicyStatement(
sid=('Allow CloudTrail to encrypt logs'),
actions=['kms:GenerateDataKey*'],
principals=[aws_iam.ServicePrincipal('cloudtrail.amazonaws.com')],
resources=['*'],
conditions={
'StringLike': {
'kms:EncryptionContext:aws:cloudtrail:arn':
[f'arn:aws:cloudtrail:*:{core.Aws.ACCOUNT_ID}:trail/*']
}
})
kms_aes_siem.add_to_resource_policy(key_policy_trail2)
######################################################################
# create s3 bucket
######################################################################
block_pub = aws_s3.BlockPublicAccess(block_public_acls=True,
ignore_public_acls=True,
block_public_policy=True,
restrict_public_buckets=True)
s3_geo = aws_s3.Bucket(
self,
'S3BucketForGeoip',
block_public_access=block_pub,
bucket_name=s3bucket_name_geo,
# removal_policy=core.RemovalPolicy.DESTROY,
)
# create s3 bucket for log collector
s3_log = aws_s3.Bucket(
self,
'S3BucketForLog',
block_public_access=block_pub,
bucket_name=s3bucket_name_log,
versioned=True,
encryption=aws_s3.BucketEncryption.S3_MANAGED,
# removal_policy=core.RemovalPolicy.DESTROY,
)
# create s3 bucket for aes snapshot
s3_snapshot = aws_s3.Bucket(
self,
'S3BucketForSnapshot',
block_public_access=block_pub,
bucket_name=s3bucket_name_snapshot,
# removal_policy=core.RemovalPolicy.DESTROY,
)
######################################################################
# IAM Role
######################################################################
# snaphot rule for AES
policydoc_snapshot = aws_iam.PolicyDocument(statements=[
aws_iam.PolicyStatement(actions=['s3:ListBucket'],
resources=[s3_snapshot.bucket_arn]),
aws_iam.PolicyStatement(
actions=['s3:GetObject', 's3:PutObject', 's3:DeleteObject'],
resources=[s3_snapshot.bucket_arn + '/*'])
])
aes_siem_snapshot_role = aws_iam.Role(
self,
'AesSiemSnapshotRole',
role_name='aes-siem-snapshot-role',
inline_policies=[
policydoc_snapshot,
],
assumed_by=aws_iam.ServicePrincipal('es.amazonaws.com'))
policydoc_assume_snapshrole = aws_iam.PolicyDocument(statements=[
aws_iam.PolicyStatement(
actions=['iam:PassRole'],
resources=[aes_siem_snapshot_role.role_arn]),
])
aes_siem_deploy_role_for_lambda = aws_iam.Role(
self,
'AesSiemDeployRoleForLambda',
role_name='aes-siem-deploy-role-for-lambda',
managed_policies=[
aws_iam.ManagedPolicy.from_aws_managed_policy_name(
'AmazonESFullAccess'),
aws_iam.ManagedPolicy.from_aws_managed_policy_name(
'service-role/AWSLambdaBasicExecutionRole'),
],
inline_policies=[policydoc_assume_snapshrole, policydoc_snapshot],
assumed_by=aws_iam.ServicePrincipal('lambda.amazonaws.com'))
if vpc_type:
aes_siem_deploy_role_for_lambda.add_managed_policy(
aws_iam.ManagedPolicy.from_aws_managed_policy_name(
'service-role/AWSLambdaVPCAccessExecutionRole'))
# for alert from Amazon ES
aes_siem_sns_role = aws_iam.Role(
self,
'AesSiemSnsRole',
role_name='aes-siem-sns-role',
assumed_by=aws_iam.ServicePrincipal('es.amazonaws.com'))
######################################################################
# in VPC
######################################################################
if vpc_type:
slr_aes = aws_iam.CfnServiceLinkedRole(
self,
'AWSServiceRoleForAmazonElasticsearchService',
aws_service_name='es.amazonaws.com',
description='Created by cloudformation of aes-siem stack')
slr_aes.cfn_options.deletion_policy = core.CfnDeletionPolicy.RETAIN
######################################################################
# SQS for es-laoder's DLQ
######################################################################
sqs_aes_siem_dlq = aws_sqs.Queue(
self,
'AesSiemDlq',
queue_name='aes-siem-dlq',
retention_period=core.Duration.days(14))
######################################################################
# Setup Lambda
######################################################################
# setup lambda of es_loader
lambda_es_loader_vpc_kwargs = {}
if vpc_type:
lambda_es_loader_vpc_kwargs = {
'security_group': sg_vpc_noinbound_aes_siem,
'vpc': vpc_aes_siem,
'vpc_subnets': vpc_subnets,
}
lambda_es_loader = aws_lambda.Function(
self,
'LambdaEsLoader',
**lambda_es_loader_vpc_kwargs,
function_name='aes-siem-es-loader',
runtime=aws_lambda.Runtime.PYTHON_3_8,
# code=aws_lambda.Code.asset('../lambda/es_loader.zip'),
code=aws_lambda.Code.asset('../lambda/es_loader'),
handler='index.lambda_handler',
memory_size=512,
timeout=core.Duration.seconds(600),
dead_letter_queue_enabled=True,
dead_letter_queue=sqs_aes_siem_dlq,
environment={'GEOIP_BUCKET': s3bucket_name_geo})
es_loader_newver = lambda_es_loader.add_version(
name=__version__, description=__version__)
es_loader_opt = es_loader_newver.node.default_child.cfn_options
es_loader_opt.deletion_policy = core.CfnDeletionPolicy.RETAIN
# send only
# sqs_aes_siem_dlq.grant(lambda_es_loader, 'sqs:SendMessage')
# send and reieve. but it must be loop
sqs_aes_siem_dlq.grant(lambda_es_loader, 'sqs:SendMessage',
'sqs:ReceiveMessage', 'sqs:DeleteMessage',
'sqs:GetQueueAttributes')
lambda_geo = aws_lambda.Function(
self,
'LambdaGeoipDownloader',
function_name='aes-siem-geoip-downloader',
runtime=aws_lambda.Runtime.PYTHON_3_8,
code=aws_lambda.Code.asset('../lambda/geoip_downloader'),
handler='index.lambda_handler',
memory_size=320,
timeout=core.Duration.seconds(300),
environment={
's3bucket_name': s3bucket_name_geo,
'license_key': geoip_license_key.value_as_string,
})
lambda_geo_newver = lambda_geo.add_version(name=__version__,
description=__version__)
lamba_geo_opt = lambda_geo_newver.node.default_child.cfn_options
lamba_geo_opt.deletion_policy = core.CfnDeletionPolicy.RETAIN
######################################################################
# setup elasticsearch
######################################################################
lambda_deploy_es = aws_lambda.Function(
self,
'LambdaDeployAES',
function_name='aes-siem-deploy-aes',
runtime=aws_lambda.Runtime.PYTHON_3_8,
# code=aws_lambda.Code.asset('../lambda/deploy_es.zip'),
code=aws_lambda.Code.asset('../lambda/deploy_es'),
handler='index.aes_domain_handler',
memory_size=128,
timeout=core.Duration.seconds(720),
environment={
'accountid': core.Aws.ACCOUNT_ID,
'aes_domain_name': aes_domain_name,
'aes_admin_role': aes_siem_deploy_role_for_lambda.role_arn,
'es_loader_role': lambda_es_loader.role.role_arn,
'allow_source_address': allow_source_address.value_as_string,
},
role=aes_siem_deploy_role_for_lambda,
)
if vpc_type:
lambda_deploy_es.add_environment('vpc_subnet_id',
subnet1.subnet_id)
lambda_deploy_es.add_environment('security_group_id',
sg_vpc_aes_siem.security_group_id)
else:
lambda_deploy_es.add_environment('vpc_subnet_id', 'None')
lambda_deploy_es.add_environment('security_group_id', 'None')
deploy_es_newver = lambda_deploy_es.add_version(
name=__version__, description=__version__)
deploy_es_opt = deploy_es_newver.node.default_child.cfn_options
deploy_es_opt.deletion_policy = core.CfnDeletionPolicy.RETAIN
# execute lambda_deploy_es to deploy Amaozon ES Domain
aes_domain = aws_cloudformation.CfnCustomResource(
self,
'AesSiemDomainDeployedR2',
service_token=lambda_deploy_es.function_arn,
)
aes_domain.add_override('Properties.ConfigVersion', __version__)
aes_domain.cfn_options.deletion_policy = core.CfnDeletionPolicy.RETAIN
es_endpoint = aes_domain.get_att('es_endpoint').to_string()
lambda_es_loader.add_environment('ES_ENDPOINT', es_endpoint)
lambda_configure_es_vpc_kwargs = {}
if vpc_type:
lambda_configure_es_vpc_kwargs = {
'security_group': sg_vpc_noinbound_aes_siem,
'vpc': vpc_aes_siem,
'vpc_subnets': aws_ec2.SubnetSelection(subnets=[
subnet1,
]),
}
lambda_configure_es = aws_lambda.Function(
self,
'LambdaConfigureAES',
**lambda_configure_es_vpc_kwargs,
function_name='aes-siem-configure-aes',
runtime=aws_lambda.Runtime.PYTHON_3_8,
code=aws_lambda.Code.asset('../lambda/deploy_es'),
handler='index.aes_config_handler',
memory_size=128,
timeout=core.Duration.seconds(300),
environment={
'accountid': core.Aws.ACCOUNT_ID,
'aes_domain_name': aes_domain_name,
'aes_admin_role': aes_siem_deploy_role_for_lambda.role_arn,
'es_loader_role': lambda_es_loader.role.role_arn,
'allow_source_address': allow_source_address.value_as_string,
'es_endpoint': es_endpoint,
},
role=aes_siem_deploy_role_for_lambda,
)
if vpc_type:
lambda_configure_es.add_environment('vpc_subnet_id',
subnet1.subnet_id)
lambda_configure_es.add_environment(
'security_group_id', sg_vpc_aes_siem.security_group_id)
else:
lambda_configure_es.add_environment('vpc_subnet_id', 'None')
lambda_configure_es.add_environment('security_group_id', 'None')
configure_es_newver = lambda_configure_es.add_version(
name=__version__, description=__version__)
configure_es_opt = configure_es_newver.node.default_child.cfn_options
configure_es_opt.deletion_policy = core.CfnDeletionPolicy.RETAIN
aes_config = aws_cloudformation.CfnCustomResource(
self,
'AesSiemDomainConfiguredR2',
service_token=lambda_configure_es.function_arn,
)
aes_config.add_override('Properties.ConfigVersion', __version__)
aes_config.add_depends_on(aes_domain)
aes_config.cfn_options.deletion_policy = core.CfnDeletionPolicy.RETAIN
es_arn = (f'arn:aws:es:{core.Aws.REGION}:{core.Aws.ACCOUNT_ID}'
f':domain/{aes_domain_name}')
# grant permission to es_loader role
lambda_es_loader.role.attach_inline_policy(
aws_iam.Policy(self,
'aes-siem-policy-to-load-entries-to-es',
policy_name='aes-siem-policy-to-load-entries-to-es',
statements=[
aws_iam.PolicyStatement(actions=['es:*'],
resources=[
es_arn + '/*',
]),
]))
# grant additional permission to es_loader role
additional_kms_cmks = self.node.try_get_context('additional_kms_cmks')
if additional_kms_cmks:
lambda_es_loader.role.attach_inline_policy(
aws_iam.Policy(self,
'access_to_additional_cmks',
policy_name='access_to_additional_cmks',
statements=[
aws_iam.PolicyStatement(
actions=['kms:Decrypt'],
resources=sorted(
set(additional_kms_cmks)))
]))
additional_buckets = self.node.try_get_context('additional_s3_buckets')
if additional_buckets:
buckets_list = []
for bucket in additional_buckets:
buckets_list.append(f'arn:aws:s3:::{bucket}')
buckets_list.append(f'arn:aws:s3:::{bucket}/*')
lambda_es_loader.role.attach_inline_policy(
aws_iam.Policy(self,
'access_to_additional_buckets',
policy_name='access_to_additional_buckets',
statements=[
aws_iam.PolicyStatement(
actions=[
's3:GetObject*', 's3:GetBucket*',
's3:List*'
],
resources=sorted(set(buckets_list)))
]))
kms_aes_siem.grant_decrypt(lambda_es_loader)
######################################################################
# s3 notification and grant permisssion
######################################################################
s3_geo.grant_read_write(lambda_geo)
s3_geo.grant_read(lambda_es_loader)
s3_log.grant_read(lambda_es_loader)
# create s3 notification for es_loader
notification = aws_s3_notifications.LambdaDestination(lambda_es_loader)
# assign notification for the s3 PUT event type
# most log system use PUT, but also CLB use POST & Multipart Upload
s3_log.add_event_notification(
aws_s3.EventType.OBJECT_CREATED, notification,
aws_s3.NotificationKeyFilter(prefix='AWSLogs/'))
# For user logs, not AWS logs
s3_log.add_event_notification(
aws_s3.EventType.OBJECT_CREATED, notification,
aws_s3.NotificationKeyFilter(prefix='UserLogs/'))
# Download geoip to S3 once by executing lambda_geo
get_geodb = aws_cloudformation.CfnCustomResource(
self,
'ExecLambdaGeoipDownloader',
service_token=lambda_geo.function_arn,
)
get_geodb.cfn_options.deletion_policy = core.CfnDeletionPolicy.RETAIN
# Download geoip every day at 6PM UTC
rule = aws_events.Rule(
self,
'CwlRuleLambdaGeoipDownloaderDilly',
schedule=aws_events.Schedule.cron(minute='20',
hour='0',
month='*',
week_day='*',
year='*'),
)
rule.add_target(aws_events_targets.LambdaFunction(lambda_geo))
######################################################################
# bucket policy
######################################################################
s3_awspath = s3_log.bucket_arn + '/AWSLogs/' + core.Aws.ACCOUNT_ID
bucket_policy_common1 = aws_iam.PolicyStatement(
sid='ELB Policy',
principals=[
aws_iam.AccountPrincipal(account_id=elb_accounts.find_in_map(
core.Aws.REGION, 'accountid'))
],
actions=['s3:PutObject'],
resources=[s3_awspath + '/*'],
)
# NLB / ALB / R53resolver / VPC Flow Logs
bucket_policy_elb1 = aws_iam.PolicyStatement(
sid='AWSLogDeliveryAclCheck For ALB NLB R53Resolver Flowlogs',
principals=[
aws_iam.ServicePrincipal('delivery.logs.amazonaws.com')
],
actions=['s3:GetBucketAcl', 's3:ListBucket'],
resources=[s3_log.bucket_arn],
)
bucket_policy_elb2 = aws_iam.PolicyStatement(
sid='AWSLogDeliveryWrite For ALB NLB R53Resolver Flowlogs',
principals=[
aws_iam.ServicePrincipal('delivery.logs.amazonaws.com')
],
actions=['s3:PutObject'],
resources=[s3_awspath + '/*'],
conditions={
'StringEquals': {
's3:x-amz-acl': 'bucket-owner-full-control'
}
})
s3_log.add_to_resource_policy(bucket_policy_common1)
s3_log.add_to_resource_policy(bucket_policy_elb1)
s3_log.add_to_resource_policy(bucket_policy_elb2)
# CloudTrail
bucket_policy_trail1 = aws_iam.PolicyStatement(
sid='AWSLogDeliveryAclCheck For Cloudtrail',
principals=[aws_iam.ServicePrincipal('cloudtrail.amazonaws.com')],
actions=['s3:GetBucketAcl'],
resources=[s3_log.bucket_arn],
)
bucket_policy_trail2 = aws_iam.PolicyStatement(
sid='AWSLogDeliveryWrite For CloudTrail',
principals=[aws_iam.ServicePrincipal('cloudtrail.amazonaws.com')],
actions=['s3:PutObject'],
resources=[s3_awspath + '/*'],
conditions={
'StringEquals': {
's3:x-amz-acl': 'bucket-owner-full-control'
}
})
s3_log.add_to_resource_policy(bucket_policy_trail1)
s3_log.add_to_resource_policy(bucket_policy_trail2)
# GuardDuty
bucket_policy_gd1 = aws_iam.PolicyStatement(
sid='Allow GuardDuty to use the getBucketLocation operation',
principals=[aws_iam.ServicePrincipal('guardduty.amazonaws.com')],
actions=['s3:GetBucketLocation'],
resources=[s3_log.bucket_arn],
)
bucket_policy_gd2 = aws_iam.PolicyStatement(
sid='Allow GuardDuty to upload objects to the bucket',
principals=[aws_iam.ServicePrincipal('guardduty.amazonaws.com')],
actions=['s3:PutObject'],
resources=[s3_log.bucket_arn + '/*'],
)
bucket_policy_gd5 = aws_iam.PolicyStatement(
sid='Deny non-HTTPS access',
effect=aws_iam.Effect.DENY,
actions=['s3:*'],
resources=[s3_log.bucket_arn + '/*'],
conditions={'Bool': {
'aws:SecureTransport': 'false'
}})
bucket_policy_gd5.add_any_principal()
s3_log.add_to_resource_policy(bucket_policy_gd1)
s3_log.add_to_resource_policy(bucket_policy_gd2)
s3_log.add_to_resource_policy(bucket_policy_gd5)
# Config
bucket_policy_config1 = aws_iam.PolicyStatement(
sid='AWSConfig BucketPermissionsCheck and BucketExistenceCheck',
principals=[aws_iam.ServicePrincipal('config.amazonaws.com')],
actions=['s3:GetBucketAcl', 's3:ListBucket'],
resources=[s3_log.bucket_arn],
)
bucket_policy_config2 = aws_iam.PolicyStatement(
sid='AWSConfigBucketDelivery',
principals=[aws_iam.ServicePrincipal('config.amazonaws.com')],
actions=['s3:PutObject'],
resources=[s3_awspath + '/Config/*'],
conditions={
'StringEquals': {
's3:x-amz-acl': 'bucket-owner-full-control'
}
})
s3_log.add_to_resource_policy(bucket_policy_config1)
s3_log.add_to_resource_policy(bucket_policy_config2)
# geoip
bucket_policy_geo1 = aws_iam.PolicyStatement(
sid='Allow geoip downloader and es-loader to read/write',
principals=[lambda_es_loader.role, lambda_geo.role],
actions=['s3:PutObject', 's3:GetObject', 's3:DeleteObject'],
resources=[s3_geo.bucket_arn + '/*'],
)
s3_geo.add_to_resource_policy(bucket_policy_geo1)
# ES Snapshot
bucket_policy_snapshot = aws_iam.PolicyStatement(
sid='Allow ES to store snapshot',
principals=[aes_siem_snapshot_role],
actions=['s3:PutObject', 's3:GetObject', 's3:DeleteObject'],
resources=[s3_snapshot.bucket_arn + '/*'],
)
s3_snapshot.add_to_resource_policy(bucket_policy_snapshot)
######################################################################
# for multiaccount / organizaitons
######################################################################
if org_id or no_org_ids:
##################################################################
# KMS key policy for multiaccount / organizaitons
##################################################################
# for CloudTrail
cond_tail2 = self.make_resource_list(
path='arn:aws:cloudtrail:*:',
tail=':trail/*',
keys=[org_mgmt_id, no_org_ids])
key_policy_mul_trail2 = aws_iam.PolicyStatement(
sid=('Allow CloudTrail to encrypt logs for multiaccounts'),
actions=['kms:GenerateDataKey*'],
principals=[
aws_iam.ServicePrincipal('cloudtrail.amazonaws.com')
],
resources=['*'],
conditions={
'StringLike': {
'kms:EncryptionContext:aws:cloudtrail:arn': cond_tail2
}
})
kms_aes_siem.add_to_resource_policy(key_policy_mul_trail2)
# for replicaiton
key_policy_rep1 = aws_iam.PolicyStatement(
sid=('Enable cross account encrypt access for S3 Cross Region '
'Replication'),
actions=['kms:Encrypt'],
principals=self.make_account_plincipals(
org_mgmt_id, org_member_ids, no_org_ids),
resources=['*'],
)
kms_aes_siem.add_to_resource_policy(key_policy_rep1)
##################################################################
# Buckdet Policy for multiaccount / organizaitons
##################################################################
s3_log_bucket_arn = 'arn:aws:s3:::' + s3bucket_name_log
# for CloudTrail
s3_mulpaths = self.make_resource_list(
path=f'{s3_log_bucket_arn}/AWSLogs/',
tail='/*',
keys=[org_id, org_mgmt_id, no_org_ids])
bucket_policy_org_trail = aws_iam.PolicyStatement(
sid='AWSCloudTrailWrite for Multiaccounts / Organizations',
principals=[
aws_iam.ServicePrincipal('cloudtrail.amazonaws.com')
],
actions=['s3:PutObject'],
resources=s3_mulpaths,
conditions={
'StringEquals': {
's3:x-amz-acl': 'bucket-owner-full-control'
}
})
s3_log.add_to_resource_policy(bucket_policy_org_trail)
# config
s3_conf_multpaths = self.make_resource_list(
path=f'{s3_log_bucket_arn}/AWSLogs/',
tail='/Config/*',
keys=[org_id, org_mgmt_id, no_org_ids])
bucket_policy_mul_config2 = aws_iam.PolicyStatement(
sid='AWSConfigBucketDelivery',
principals=[aws_iam.ServicePrincipal('config.amazonaws.com')],
actions=['s3:PutObject'],
resources=s3_conf_multpaths,
conditions={
'StringEquals': {
's3:x-amz-acl': 'bucket-owner-full-control'
}
})
s3_log.add_to_resource_policy(bucket_policy_mul_config2)
# for replication
bucket_policy_rep1 = aws_iam.PolicyStatement(
sid='PolicyForDestinationBucket / Permissions on objects',
principals=self.make_account_plincipals(
org_mgmt_id, org_member_ids, no_org_ids),
actions=[
's3:ReplicateDelete', 's3:ReplicateObject',
's3:ReplicateTags', 's3:GetObjectVersionTagging',
's3:ObjectOwnerOverrideToBucketOwner'
],
resources=[f'{s3_log_bucket_arn}/*'])
bucket_policy_rep2 = aws_iam.PolicyStatement(
sid='PolicyForDestinationBucket / Permissions on bucket',
principals=self.make_account_plincipals(
org_mgmt_id, org_member_ids, no_org_ids),
actions=[
's3:List*', 's3:GetBucketVersioning',
's3:PutBucketVersioning'
],
resources=[f'{s3_log_bucket_arn}'])
s3_log.add_to_resource_policy(bucket_policy_rep1)
s3_log.add_to_resource_policy(bucket_policy_rep2)
######################################################################
# SNS topic for Amazon ES Alert
######################################################################
sns_topic = aws_sns.Topic(self,
'SnsTopic',
topic_name='aes-siem-alert',
display_name='AES SIEM')
sns_topic.add_subscription(
aws_sns_subscriptions.EmailSubscription(
email_address=sns_email.value_as_string))
sns_topic.grant_publish(aes_siem_sns_role)
######################################################################
# output of CFn
######################################################################
kibanaurl = f'https://{es_endpoint}/_plugin/kibana/'
kibanaadmin = aes_domain.get_att('kibanaadmin').to_string()
kibanapass = aes_domain.get_att('kibanapass').to_string()
core.CfnOutput(self,
'RoleDeploy',
export_name='role-deploy',
value=aes_siem_deploy_role_for_lambda.role_arn)
core.CfnOutput(self,
'KibanaUrl',
export_name='kibana-url',
value=kibanaurl)
core.CfnOutput(self,
'KibanaPassword',
export_name='kibana-pass',
value=kibanapass,
description='Please change the password in Kibana ASAP')
core.CfnOutput(self,
'KibanaAdmin',
export_name='kibana-admin',
value=kibanaadmin)