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ecsdeploytoProdBlueWestApi.py
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ecsdeploytoProdBlueWestApi.py
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import boto3
import json
import datetime
import os
ecs_client = boto3.client('ecs')
alb = boto3.client('elbv2')
sts = boto3.client('sts')
#CROSSACCOUNT DYNAMO ACCESS TO SHARED ACCOUNT
stsrolearn = os.environ['STSROLEARN']
response = sts.assume_role(RoleArn=stsrolearn, RoleSessionName='CrossAccountECSDynamoTableAccess')
aws_access_key_id=response['Credentials']['AccessKeyId']
aws_secret_access_key=response['Credentials']['SecretAccessKey']
aws_session_token=response['Credentials']['SessionToken']
dynamo_client = boto3.client('dynamodb', aws_access_key_id=aws_access_key_id,aws_secret_access_key=aws_secret_access_key,aws_session_token=aws_session_token)
resource = boto3.resource('dynamodb', aws_access_key_id=aws_access_key_id,aws_secret_access_key=aws_secret_access_key,aws_session_token=aws_session_token)
table = resource.Table('ECS_Inventory_Production')
#CROSS ACCOUNT ECS ACCESS TO NONPROD ACCOUNT
stsrole_prod = os.environ['STSROLE_PROD']
resp = sts.assume_role(RoleArn=stsrole_prod, RoleSessionName='crossAccountEcsTaskExecutionRole')
aws_access_key_id_prod=resp['Credentials']['AccessKeyId']
aws_secret_access_key_prod=resp['Credentials']['SecretAccessKey']
aws_session_token_prod=resp['Credentials']['SessionToken']
ecsclient_prod = boto3.client('ecs', aws_access_key_id=aws_access_key_id_prod,aws_secret_access_key=aws_secret_access_key_prod,aws_session_token=aws_session_token_prod,region_name='us-west-2')
elbclient_prod = boto3.client('elbv2', aws_access_key_id=aws_access_key_id_prod,aws_secret_access_key=aws_secret_access_key_prod,aws_session_token=aws_session_token_prod,region_name='us-west-2')
sns_prod = boto3.client('sns', aws_access_key_id=aws_access_key_id_prod,aws_secret_access_key=aws_secret_access_key_prod,aws_session_token=aws_session_token_prod,region_name='us-west-2')
#CROSS ACCOUNT ALB ACCESS TO NONPROD ACCOUNT
#alb_stsrole_prod = os.environ['ALB_STSROLE_PROD']
#resp = sts.assume_role(RoleArn=alb_stsrole_prod, RoleSessionName='crossAccountEcsTaskExecutionRole')
#aws_access_key_id_prod=resp['Credentials']['AccessKeyId']
#aws_secret_access_key_prod=resp['Credentials']['SecretAccessKey']
#aws_session_token_prod=resp['Credentials']['SessionToken']
#elbclient_prod = boto3.client('elbv2', aws_access_key_id=aws_access_key_id_prod,aws_secret_access_key=aws_secret_access_key_prod,aws_session_token=aws_session_token_prod)
#RETURN BODY FOR API
def return_body(status_code, message):
body = {
'statusCode': str(status_code),
'body': json.dumps(message),
'headers': {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
}
}
return body
def getstageenv_image(appname, task_env):
taskdef = appname + '-' + task_env
response = ecsclient_prod.describe_task_definition(taskDefinition=taskdef)
image_uri = response['taskDefinition']['containerDefinitions'][0]['image']
print image_uri
return image_uri
# GET PROD ENVIRONMENT NAME #
def getprodblueEnv(appname):
albname = appname + '-prod'
resp = elbclient_prod.describe_load_balancers(Names=[albname])
alb_arn = resp['LoadBalancers'][0]['LoadBalancerArn']
response = elbclient_prod.describe_listeners(LoadBalancerArn=alb_arn)
listener_arn = response['Listeners'][0]['ListenerArn']
res = elbclient_prod.describe_rules(ListenerArn=listener_arn)
for rule in res['Rules']:
rule_arn = rule['RuleArn']
print rule_arn
priority = rule['Priority']
if priority == '2':
hostheader_value = rule['Conditions'][0]['Values']
print hostheader_value[0]
rule_arn_blue = rule_arn
targetgrp_arn_blue = rule['Actions'][0]['TargetGroupArn']
print targetgrp_arn_blue
if 'prod1' in targetgrp_arn_blue:
env = "prod1"
else:
env = "prod2"
return env
### SEND SNS NOTIFICATION ###
def sendnotification(appname, env, prod_acc, version):
env_name = appname + "-" + env
sns_arn = "arn:aws:sns:us-west-2:" + prod_acc + ":ECSNotifications-" + env_name
sns_message = "New Version " + version + " is getting deployed to Blue Environment " + env_name + " in West Region"
subject = "Deploying Version " + version + " to Environment " + env_name + " in West Region"
response = sns_prod.publish(TopicArn=sns_arn, Message=sns_message, Subject=subject)
print response
# CREATING ECS TASK DEFINITION
def create_taskdefinitions(apiname, repo_uri, env):
try:
container = {
'name': apiname + '-' + env,
'environment': [
{
'name': 'ASPNETCORE_ENVIRONMENT',
'value': 'prod'
}
],
'image': repo_uri,
'portMappings': [
{
"containerPort": 80,
"hostPort": 80,
"protocol": "tcp"
}
],
'essential': True
}
resp = ecsclient_prod.register_task_definition(
family = apiname + '-' + env,
taskRoleArn = stsrole_prod,
executionRoleArn = stsrole_prod,
networkMode = 'awsvpc',
containerDefinitions=[container],
requiresCompatibilities=['FARGATE'],
cpu= "256",
memory= "512"
)
print resp
message = "Created Task Definiton " + apiname + '-' + env
print message
#time = datetime.datetime.now()
#resp = dynamo_client.put_item(TableName="DevOpsLogsTable", Item={'ResourceName':{'S': 'ecs_deployapi'}, 'Time':{'S': str(time)}, 'Message': {'S': message}})
#print resp
except Exception as e:
message = e
print message
#time = datetime.datetime.now()
#resp = dynamo_client.put_item(TableName="DevOpsLogsTable", Item={'ResourceName':{'S': 'ecs_deployapi'}, 'Time':{'S': str(time)}, 'Message': {'S': message}})
#print resp
# CREATING ECS SERVICE
def update_service(apiname, env, techteam):
try:
ecs_resp = ecsclient_prod.update_service(
cluster=apiname,
service=apiname + '-' + env,
taskDefinition=apiname + '-' + env,
desiredCount=2,
forceNewDeployment=True,
healthCheckGracePeriodSeconds=30
)
print ecs_resp
#message = "Updating Service " + apiname + '-' + env + ' for new taskDefinition '
#time = datetime.datetime.now()
#resp = dynamo_client.put_item(TableName="DevOpsLogsTable", Item={'ResourceName': {'S': 'ecs_deployapi'}, 'Time': {'S': str(time)}, 'Message': {'S': message}})
#print resp
except Exception as e:
message = e
print message
#time = datetime.datetime.now()
#resp = dynamo_client.put_item(TableName="DevOpsLogsTable", Item={'ResourceName':{'S': 'ecs_deployapi'}, 'Time':{'S': str(time)}, 'Message': {'S': message}})
#print resp
def lambda_handler(event, context):
body = json.loads(event['body'])
try:
appname = body['applicationName']
if appname == "":
status_code = 400
message = {"errorMessage": "applicationName cannot be empty"}
return_message = return_body(status_code, message)
return return_message
except KeyError:
status_code = 400
message = {"errorMessage": "applicationName needs to be mentioned"}
return_message = return_body(status_code, message)
return return_message
try:
dynamo_response = dynamo_client.get_item(TableName="ECS_Inventory_Production", Key={'ApplicationName': {'S': appname}, 'Environment': {'S': 'PROD1'}}, AttributesToGet=['TechnicalTeam', 'Version', 'URL'])
url = dynamo_response['Item']['URL']['S']
if "prod-blue" not in url:
task_env = 'prod1'
print task_env
techteam = dynamo_response['Item']['TechnicalTeam']['S']
version = dynamo_response['Item']['Version']['S']
dynamo_response = dynamo_client.get_item(TableName="ECS_Inventory_Production", Key={'ApplicationName': {'S': appname}, 'Environment': {'S': 'PROD2'}}, AttributesToGet=['TechnicalTeam', 'Version', 'URL'])
url = dynamo_response['Item']['URL']['S']
if "prod-blue" not in url:
task_env = 'prod2'
print tak_env
techteam = dynamo_response['Item']['TechnicalTeam']['S']
version = dynamo_response['Item']['Version']['S']
except Exception as e:
print e
status_code = 409
message = {'errorMessage': appname + " does not exist. You must create the Stack first"}
return_message = return_body(status_code, message)
return return_message
prod_vpc = os.environ['PROD_WEST_VPC']
prod_subnet = os.environ['PROD_WEST_SUBNET']
prod_sg = os.environ['PROD_WEST_SG']
prod_acc = os.environ['PROD_ACC']
repo_uri = getstageenv_image(appname, task_env)
env = getprodblueEnv(appname)
create_taskdefinitions(appname, repo_uri, env)
update_service(appname, env, techteam)
sendnotification(appname, env, prod_acc, version)
time = datetime.datetime.now()
resp = dynamo_client.update_item(TableName="ECS_Inventory_Production_West", Key={'ApplicationName': {'S': appname}, 'Environment': {'S': env.upper()}}, AttributeUpdates={'Version':{'Value':{'S': version}}, 'Time':{'Value':{'S': str(time)}}})
print resp
status_code = 200
message = {'message': "Deployed version " + version + " to " + appname + " in ProdBlue West Environment"}
return_message = return_body(status_code, message)
return return_message