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setup_AWS.py
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setup_AWS.py
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import sys
import boto3
import json
iam = boto3.client("iam")
sns = boto3.client("sns")
lmbda = boto3.client("lambda")
ecsInstanceRole_policy_list = [
"arn:aws:iam::aws:policy/AmazonS3FullAccess",
"arn:aws:iam::aws:policy/CloudWatchFullAccess",
"arn:aws:iam::aws:policy/CloudWatchActionsEC2Access",
"arn:aws:iam::aws:policy/service-role/AmazonEC2ContainerServiceforEC2Role",
"arn:aws:iam::aws:policy/service-role/AmazonEC2ContainerServiceRole",
]
LambdaFullAccess_policy_list = [
"arn:aws:iam::aws:policy/AWSLambda_FullAccess",
"arn:aws:iam::aws:policy/AmazonSNSFullAccess",
"arn:aws:iam::aws:policy/service-role/AWSLambdaVPCAccessExecutionRole",
"arn:aws:iam::aws:policy/service-role/AWSLambdaSQSQueueExecutionRole",
"arn:aws:iam::aws:policy/AWSLambdaExecute",
"arn:aws:iam::aws:policy/AmazonECS_FullAccess",
"arn:aws:iam::aws:policy/service-role/AmazonEC2SpotFleetTaggingRole",
"arn:aws:iam::aws:policy/AmazonS3FullAccess",
"arn:aws:iam::aws:policy/AmazonSQSFullAccess",
"arn:aws:iam::aws:policy/CloudWatchFullAccess"
]
def setup():
# Create ECS Instance Role
assume_role_policy_document = json.dumps(
{
"Version": "2008-10-17",
"Statement": [
{
"Sid": "",
"Effect": "Allow",
"Principal": {"Service": "ec2.amazonaws.com"},
"Action": "sts:AssumeRole",
}
],
}
)
try:
iam.create_role(
RoleName="ecsInstanceRole",
AssumeRolePolicyDocument=assume_role_policy_document,
)
for arn in ecsInstanceRole_policy_list:
iam.attach_role_policy(
PolicyArn=arn,
RoleName="ecsInstanceRole",
)
print ('Created ecsInstanceRole.')
except iam.exceptions.EntityAlreadyExistsException:
print ('Skipping creation of ecsInstanceRole. Already exists.')
# Create EC2 Spot Fleet Tagging Role
assume_role_policy_document = json.dumps(
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "",
"Effect": "Allow",
"Principal": {"Service": "spotfleet.amazonaws.com"},
"Action": "sts:AssumeRole",
}
],
}
)
try:
iam.create_role(
RoleName="aws-ec2-spot-fleet-tagging-role",
AssumeRolePolicyDocument=assume_role_policy_document,
)
iam.attach_role_policy(
PolicyArn="arn:aws:iam::aws:policy/service-role/AmazonEC2SpotFleetTaggingRole",
RoleName="aws-ec2-spot-fleet-tagging-role",
)
print ('Created aws-ec2-spot-fleet-tagging-role.')
except iam.exceptions.EntityAlreadyExistsException:
print ('Skipping creation of aws-ec2-spot-fleet-tagging-role. Already exists.')
# Create Lambda Full Access Role
assume_role_policy_document = json.dumps(
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "",
"Effect": "Allow",
"Principal": {"Service": "lambda.amazonaws.com"},
"Action": "sts:AssumeRole",
}
],
}
)
try:
iam.create_role(
RoleName="LambdaFullAccess",
AssumeRolePolicyDocument=assume_role_policy_document,
)
for arn in LambdaFullAccess_policy_list:
iam.attach_role_policy(
PolicyArn=arn,
RoleName="LambdaFullAccess",
)
print ('Created LambdaFullAccess role.')
except iam.exceptions.EntityAlreadyExistsException:
print ('Skipping creation of LambdaFullAccess role. Already exists.')
# Create SNS Monitor topic
MonitorTopic = sns.create_topic(Name="Monitor")
print ('(Re-)Created Monitor SNS Topic.')
# Create Monitor Lambda function
LambdaFullAccess = iam.get_role(RoleName="LambdaFullAccess")
fxn = open("lambda_function.zip", "rb").read()
try:
MonitorFunction = lmbda.create_function(
FunctionName="Monitor",
Runtime="python3.9",
Role=LambdaFullAccess["Role"]["Arn"],
Handler="lambda_function.lambda_handler",
Code={
"ZipFile": fxn,
},
Description="Auto-monitor DS runs",
Timeout=900,
MemorySize=3008,
Publish=True,
PackageType="Zip",
TracingConfig={"Mode": "PassThrough"},
Architectures=["x86_64"],
EphemeralStorage={"Size": 512}
)
# Subscribe Monitor Lambda to Monitor Topic
sns.subscribe(
TopicArn=MonitorTopic["TopicArn"],
Protocol="lambda",
Endpoint=MonitorFunction["FunctionArn"],
)
print ('Created Monitor Lambda Function.')
except lmbda.exceptions.ResourceConflictException:
print ('Skipping creation of Monitor Lambda Function. Already exists.')
try:
lmbda.add_permission(
FunctionName='Monitor',
StatementId='InvokeBySNS',
Action='lambda:InvokeFunction',
Principal='sns.amazonaws.com')
except lmbda.exceptions.ResourceConflictException:
print ('Monitor Lambda Function already has SNS invoke permission.')
def destroy():
# Delete roles
for arn in ecsInstanceRole_policy_list:
iam.detach_role_policy(RoleName="ecsInstanceRole", PolicyArn=arn)
iam.delete_role(RoleName="ecsInstanceRole")
iam.detach_role_policy(
RoleName="aws-ec2-spot-fleet-tagging-role",
PolicyArn="arn:aws:iam::aws:policy/service-role/AmazonEC2SpotFleetTaggingRole",
)
iam.delete_role(RoleName="aws-ec2-spot-fleet-tagging-role")
for arn in LambdaFullAccess_policy_list:
iam.detach_role_policy(RoleName="LambdaFullAccess", PolicyArn=arn)
iam.delete_role(RoleName="LambdaFullAccess")
# Delete Monitor Lambda function
lmbda.delete_function(FunctionName="Monitor")
# Delete Monitor SNS topic
# create_topic is idempotent so we use it to return ARN since topic already exists
MonitorTopic = sns.create_topic(Name="Monitor")
sns.delete_topic(TopicArn=MonitorTopic["TopicArn"])
if __name__ == "__main__":
if len(sys.argv) == 1:
setup()
else:
if sys.argv[1] == "destroy":
destroy()
else:
print("Use: setup_AWS.py or setup_AWS.py destroy")
sys.exit()