def __init__(self, scope: core.Stack, id: str, ecs_cluster, vpc,
services_3000_sec_group, desired_service_count, **kwargs):
super().__init__(scope, id, **kwargs)
self.ecs_cluster = ecs_cluster
self.vpc = vpc
self.services_3000_sec_group = services_3000_sec_group
self.desired_service_count = desired_service_count
# This will create an ALB with listener/target group, ecs task def, ecs fargate service, logging in cloudwatch
# and security group from ALB to containers. This essentially condenses 95 lines of code into 15.
self.fargate_load_balanced_service = aws_ecs_patterns.LoadBalancedFargateService(
self,
"FrontendFargateLBService",
cluster=self.ecs_cluster,
image=aws_ecs.ContainerImage.from_registry(
"brentley/ecsdemo-frontend"),
container_port=3000,
cpu=256,
memory_limit_mi_b=512,
enable_logging=True,
desired_count=self.desired_service_count,
load_balancer_type=aws_ecs_patterns.LoadBalancerType(
'APPLICATION'),
public_load_balancer=True,
environment={
"CRYSTAL_URL": "http://ecsdemo-crystal.service:3000/crystal",
"NODEJS_URL": "http://ecsdemo-nodejs.service:3000"
},
)
# There has to be a better way, but for now this is what we got.
# Allow inbound 3000 from Frontend Service to Backend
self.sec_grp_ingress_backend_to_frontend_3000 = aws_ec2.CfnSecurityGroupIngress(
self,
"InboundBackendSecGrp3000",
ip_protocol='TCP',
source_security_group_id=self.fargate_load_balanced_service.
service.connections.security_groups[0].security_group_id,
from_port=3000,
to_port=3000,
group_id=self.services_3000_sec_group.security_group_id)
# There has to be a better way, but for now this is what we got.
# Allow inbound 3000 Backend to Frontend Service
self.sec_grp_ingress_frontend_to_backend_3000 = aws_ec2.CfnSecurityGroupIngress(
self,
"InboundFrontendtoBackendSecGrp3000",
ip_protocol='TCP',
source_security_group_id=self.services_3000_sec_group.
security_group_id,
from_port=3000,
to_port=3000,
group_id=self.fargate_load_balanced_service.service.connections.
security_groups[0].security_group_id,
)
def __init__(self, scope: core.Stack, id=str, **kwargs):
super().__init__(scope, id, **kwargs)
self.vpc = ec2.Vpc(
self,
"BaseVPC",
cidr='10.0.0.0/24',
enable_dns_support=True,
enable_dns_hostnames=True,
)
self.services_3000_sec_group = ec2.SecurityGroup(
self,
"FrontendToBackendSecurityGroup",
allow_all_outbound=True,
description=
"Security group for frontend service to talk to backend services",
vpc=self.vpc)
self.sec_grp_ingress_self_3000 = ec2.CfnSecurityGroupIngress(
self,
"InboundSecGrp3000",
ip_protocol='TCP',
source_security_group_id=self.services_3000_sec_group.
security_group_id,
from_port=3000,
to_port=3000,
group_id=self.services_3000_sec_group.security_group_id)
def __init__(self, scope: core.Construct, id: str, vpc,
asg_security_groups, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
# Creat DB Low Level API - MySQL M-AZs
db_security_group = ec2.CfnSecurityGroup(
self,
"dbSG",
group_description="All EC2 access DB",
group_name="DB_SG",
vpc_id=vpc.vpc_id)
for asg_sg in asg_security_groups:
ec2.CfnSecurityGroupIngress(
self,
"SG_ingress",
ip_protocol="tcp",
description="ASG EC2 access DB",
to_port=3306,
from_port=3306,
group_id=db_security_group.attr_group_id,
source_security_group_id=asg_sg.security_group_id)
subnet_ids = []
for i in vpc.isolated_subnets:
subnet_ids.append(i.subnet_id)
db_subnet_group = rds.CfnDBSubnetGroup(
self,
"db_subnet",
db_subnet_group_description="DB_subnet",
db_subnet_group_name="db_subnet",
subnet_ids=subnet_ids)
db_mysql = rds.CfnDBInstance(
self,
"MyDB",
db_name="mysqldb",
db_instance_class="db.t2.small",
allocated_storage="100",
storage_type="gp2",
engine="MySQL",
engine_version="5.7.22",
master_username=db_master_username,
master_user_password=db_master_user_password,
multi_az=True,
vpc_security_groups=[db_security_group.attr_group_id],
db_subnet_group_name=db_subnet_group.db_subnet_group_name,
backup_retention_period=7,
allow_major_version_upgrade=False,
enable_cloudwatch_logs_exports=[
"audit", "error", "general", "slowquery"
],
delete_automated_backups=False)
db_mysql.add_depends_on(db_subnet_group)
db_mysql.add_depends_on(db_security_group)
def __init__(self, scope: core.Stack, id=str, **kwargs):
super().__init__(scope, id, **kwargs)
# This resource alone will create a private/public subnet in each AZ as well as nat/internet gateway(s)
self.vpc = aws_ec2.Vpc(
self,
"BaseVPC",
cidr='10.0.0.0/24',
enable_dns_support=True,
enable_dns_hostnames=True,
)
# Creating ECS Cluster in the VPC created above
self.ecs_cluster = aws_ecs.Cluster(self, "ECSCluster", vpc=self.vpc)
# Adding service discovery namespace to cluster
self.ecs_cluster.add_default_cloud_map_namespace(name="service", )
# Frontend security group frontend service to backend services
self.services_3000_sec_group = aws_ec2.SecurityGroup(
self,
"FrontendToBackendSecurityGroup",
allow_all_outbound=True,
description=
"Security group for frontend service to talk to backend services",
vpc=self.vpc)
# Allow inbound 3000 from ALB to Frontend Service
self.sec_grp_ingress_self_3000 = aws_ec2.CfnSecurityGroupIngress(
self,
"InboundSecGrp3000",
ip_protocol='TCP',
source_security_group_id=self.services_3000_sec_group.
security_group_id,
from_port=3000,
to_port=3000,
group_id=self.services_3000_sec_group.security_group_id)
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
# The code that defines your stack goes here
# instance role
# instance profile
# SecurityGroup
publicsecuritygroup01 = aws_ec2.CfnSecurityGroup(
self,
'publicsecuritygroup01',
group_description='publicsecuritygroup',
group_name='publicsecuritygroup01',
vpc_id=core.Fn.import_value('vpcid01'),
tags=[core.CfnTag(key='Name', value='publicsecuritygroup01')])
privatesecuritygroup01 = aws_ec2.CfnSecurityGroup(
self,
'privatesecuritygroup01',
group_description='privatesecuritygroup',
group_name='privatesecuritygroup01',
vpc_id=core.Fn.import_value('vpcid01'),
tags=[core.CfnTag(key='Name', value='privatesecuritygroup01')])
# public Ingress
aws_ec2.CfnSecurityGroupIngress(self,
'publicsecuritygroupingress01',
group_id=publicsecuritygroup01.ref,
ip_protocol='tcp',
cidr_ip='0.0.0.0/0',
description='for bastion',
from_port=22,
to_port=22)
# public Egress
aws_ec2.CfnSecurityGroupEgress(
self,
'publicsecuritygroupegress01',
group_id=publicsecuritygroup01.ref,
ip_protocol='tcp',
destination_security_group_id=privatesecuritygroup01.ref,
description='for private',
from_port=22,
to_port=22)
# private Ingress
aws_ec2.CfnSecurityGroupIngress(
self,
'privatesecuritygroupingress01',
group_id=privatesecuritygroup01.ref,
ip_protocol='tcp',
source_security_group_id=publicsecuritygroup01.ref,
description='for bastion',
from_port=22,
to_port=22)
# private Egress
aws_ec2.CfnSecurityGroupEgress(self,
'privatesecuritygroupegress01',
group_id=privatesecuritygroup01.ref,
ip_protocol='tcp',
cidr_ip='0.0.0.0/0',
description='for 443',
from_port=443,
to_port=443)
aws_ec2.CfnSecurityGroupEgress(self,
'privatesecuritygroupegress02',
group_id=privatesecuritygroup01.ref,
ip_protocol='tcp',
cidr_ip='0.0.0.0/0',
description='for 80',
from_port=80,
to_port=80)
# aws_ec2.CfnSecurityGroupEgress(self, 'privatesecuritygroupegress03', group_id=privatesecuritygroup01.ref, ip_protocol='tcp', cidr_ip='0.0.0.0/0', description='for 22', from_port=22, to_port=22)
core.CfnOutput(self,
'output01',
value=publicsecuritygroup01.ref,
description='publicsecuritygroup',
export_name='publicsecuritygroup01')
core.CfnOutput(self,
'output02',
value=privatesecuritygroup01.ref,
description='privatesecuritygroup',
export_name='privatesecuritygroup01')
def __init__(self, scope: core.Stack, id: str, cluster: ecs.ICluster, vpc,
sec_group, desired_service_count, **kwargs):
super().__init__(scope, id, **kwargs)
self.cluster = cluster
self.vpc = vpc
self.sec_group = sec_group
self.desired_service_count = desired_service_count
self.fargate_load_balanced_service = ecs_patterns.ApplicationLoadBalancedFargateService(
self,
"FrontendFargateLBService",
cluster=self.cluster,
desired_count=self.desired_service_count,
service_name="Fargate-Frontend",
cpu=256,
memory_limit_mib=512,
public_load_balancer=True,
task_image_options={
"image":
ecs.ContainerImage.from_registry("brentley/ecsdemo-frontend"),
"container_port":
3000,
"enable_logging":
True,
"environment": {
"CRYSTAL_URL":
"http://ecsdemo-crystal.service:3000/crystal",
"NODEJS_URL": "http://ecsdemo-nodejs.service:3000"
}
},
)
self.fargate_load_balanced_service.service.connections.security_groups[
0].add_ingress_rule(peer=ec2.Peer.ipv4(self.vpc.vpc_cidr_block),
connection=ec2.Port.tcp(3000),
description="Allow http inbound from VPC")
self.sec_grp_ingress_backend_to_frontend_3000 = ec2.CfnSecurityGroupIngress(
self,
"InboundBackendSecGrp3000",
ip_protocol='TCP',
source_security_group_id=self.fargate_load_balanced_service.
service.connections.security_groups[0].security_group_id,
from_port=3000,
to_port=3000,
group_id=self.sec_group.security_group_id)
self.sec_grp_ingress_frontend_to_backend_3000 = ec2.CfnSecurityGroupIngress(
self,
"InboundFrontendtoBackendSecGrp3000",
ip_protocol='TCP',
source_security_group_id=self.sec_group.security_group_id,
from_port=3000,
to_port=3000,
group_id=self.fargate_load_balanced_service.service.connections.
security_groups[0].security_group_id,
)
scaling = self.fargate_load_balanced_service.service.auto_scale_task_count(
min_capacity=3, max_capacity=6)
scaling.scale_on_cpu_utilization(
"CpuScaling",
target_utilization_percent=30,
scale_in_cooldown=core.Duration.seconds(60),
scale_out_cooldown=core.Duration.seconds(60),
)
core.CfnOutput(self,
"LoadBalancerDNS",
value=self.fargate_load_balanced_service.load_balancer.
load_balancer_dns_name)
def __init__(self, scope: core.Construct, id: str, vpc: aws_ec2.Vpc,
**kwargs) -> None:
super().__init__(scope, id, **kwargs)
# ECS Cluster
# https://docs.aws.amazon.com/cdk/api/latest/python/aws_cdk.aws_ecs.README.html#clusters
self.ecs_cluster = aws_ecs.Cluster(
self, "ECSCluster", vpc=vpc, cluster_name="Fargate-microservices")
# ECS Enable Cloud map
self.ecs_cluster.add_default_cloud_map_namespace(name="service", )
# ECS adding capacity
self.asg = self.ecs_cluster.add_capacity(
"ECSEC2Capacity",
instance_type=aws_ec2.InstanceType(
instance_type_identifier='t3.small'),
min_capacity=0,
max_capacity=10)
core.CfnOutput(self,
"EC2AutoScalingGroupName",
value=self.asg.auto_scaling_group_name,
export_name="EC2ASGName")
# Namespace details as CFN output
self.namespace_outputs = {
'ARN':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_arn,
'NAME':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_name,
'ID':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_id,
}
# Cluster Attributes
self.cluster_outputs = {
'NAME': self.ecs_cluster.cluster_name,
'SECGRPS': str(self.ecs_cluster.connections.security_groups)
}
# When enabling EC2, we need the security groups "registered" to the cluster for imports in other service stacks
if self.ecs_cluster.connections.security_groups:
self.cluster_outputs['SECGRPS'] = str([
x.security_group_id
for x in self.ecs_cluster.connections.security_groups
][0])
# Allow inbound 80 from ALB to Frontend Service
self.services_80_sec_group = aws_ec2.SecurityGroup(
self,
"FrontendToBackendSecurityGroup",
allow_all_outbound=True,
description=
"Security group to allow inbound 80 from ALB to Frontend Service",
vpc=vpc)
self.sec_grp_ingress_self_80 = aws_ec2.CfnSecurityGroupIngress(
self,
"InboundSecGrp3000",
ip_protocol='TCP',
source_security_group_id=self.services_80_sec_group.
security_group_id,
from_port=80,
to_port=80,
group_id=self.services_80_sec_group.security_group_id)
# All Outputs required for other stacks to build
core.CfnOutput(self,
"NSArn",
value=self.namespace_outputs['ARN'],
export_name="NSARN")
core.CfnOutput(self,
"NSName",
value=self.namespace_outputs['NAME'],
export_name="NSNAME")
core.CfnOutput(self,
"NSId",
value=self.namespace_outputs['ID'],
export_name="NSID")
core.CfnOutput(self,
"FE2BESecGrp",
value=self.services_80_sec_group.security_group_id,
export_name="SecGrpId")
core.CfnOutput(self,
"ECSClusterName",
value=self.cluster_outputs['NAME'],
export_name="ECSClusterName")
core.CfnOutput(self,
"ECSClusterSecGrp",
value=self.cluster_outputs['SECGRPS'],
export_name="ECSSecGrpList")
core.CfnOutput(self,
"ServicesSecGrp",
value=self.services_80_sec_group.security_group_id,
export_name="ServicesSecGrp")
def __init__(self, scope: core.Construct, id: str, data, iam_vars) -> None:
super().__init__(scope, id)
# VPC
vpc = ec2.CfnVPC(self, "cdk-vpc", cidr_block=data["vpc"])
igw = ec2.CfnInternetGateway(self, id="igw")
ec2.CfnVPCGatewayAttachment(self,
id="igw-attach",
vpc_id=vpc.ref,
internet_gateway_id=igw.ref)
public_route_table = ec2.CfnRouteTable(self,
id="public_route_table",
vpc_id=vpc.ref)
ec2.CfnRoute(self,
id="public_route",
route_table_id=public_route_table.ref,
destination_cidr_block="0.0.0.0/0",
gateway_id=igw.ref)
public_subnets = []
for i, s in enumerate(data["subnets"]["public"]):
subnet = ec2.CfnSubnet(self,
id="public_{}".format(s),
cidr_block=s,
vpc_id=vpc.ref,
availability_zone=core.Fn.select(
i, core.Fn.get_azs()),
map_public_ip_on_launch=True)
public_subnets.append(subnet)
ec2.CfnSubnetRouteTableAssociation(
self,
id="public_{}_association".format(s),
route_table_id=public_route_table.ref,
subnet_id=subnet.ref)
eip = ec2.CfnEIP(self, id="natip")
nat = ec2.CfnNatGateway(self,
id="nat",
allocation_id=eip.attr_allocation_id,
subnet_id=public_subnets[0].ref)
private_route_table = ec2.CfnRouteTable(self,
id="private_route_table",
vpc_id=vpc.ref)
ec2.CfnRoute(self,
id="private_route",
route_table_id=private_route_table.ref,
destination_cidr_block="0.0.0.0/0",
nat_gateway_id=nat.ref)
private_subnets = []
for i, s in enumerate(data["subnets"]["private"]):
subnet = ec2.CfnSubnet(self,
id="private_{}".format(s),
cidr_block=s,
vpc_id=vpc.ref,
availability_zone=core.Fn.select(
i, core.Fn.get_azs()),
map_public_ip_on_launch=False)
private_subnets.append(subnet)
ec2.CfnSubnetRouteTableAssociation(
self,
id="private_{}_association".format(s),
route_table_id=private_route_table.ref,
subnet_id=subnet.ref)
# Security groups
lb_sg = ec2.CfnSecurityGroup(self,
id="lb",
group_description="LB SG",
vpc_id=vpc.ref)
lambda_sg = ec2.CfnSecurityGroup(self,
id="lambda",
group_description="Lambda SG",
vpc_id=vpc.ref)
public_prefix = ec2.CfnPrefixList(self,
id="cidr_prefix",
address_family="IPv4",
max_entries=1,
prefix_list_name="public",
entries=[{
"cidr": "0.0.0.0/0",
"description": "Public"
}])
_sg_rules = [{
'sg':
lb_sg.attr_group_id,
'rules': [{
"direction": "ingress",
"description": "HTTP from Internet",
"from_port": 80,
"to_port": 80,
"protocol": "tcp",
"cidr_blocks": public_prefix.ref
}, {
"direction": "egress",
"description": "LB to Lambda",
"from_port": 80,
"to_port": 80,
"protocol": "tcp",
"source_security_group_id": lambda_sg.attr_group_id
}]
}, {
"sg":
lambda_sg.attr_group_id,
"rules": [{
"direction": "ingress",
"description": "HTTP from LB",
"from_port": 80,
"to_port": 80,
"protocol": "tcp",
"source_security_group_id": lb_sg.attr_group_id
}, {
"direction": "egress",
"description": "All to Internet",
"from_port": 0,
"to_port": 65535,
"protocol": "tcp",
"cidr_blocks": public_prefix.ref
}]
}]
for ruleset in _sg_rules:
for rule in ruleset["rules"]:
if rule["direction"] == "ingress":
ec2.CfnSecurityGroupIngress(
self,
id=rule["description"].replace(" ", "_"),
description=rule["description"],
to_port=rule["to_port"],
from_port=rule["from_port"],
ip_protocol=rule["protocol"],
group_id=ruleset["sg"],
source_prefix_list_id=rule["cidr_blocks"]
if "cidr_blocks" in rule else None,
source_security_group_id=rule[
"source_security_group_id"]
if "source_security_group_id" in rule else None)
else:
ec2.CfnSecurityGroupEgress(
self,
id=rule["description"].replace(" ", "_"),
description=rule["description"],
to_port=rule["to_port"],
from_port=rule["from_port"],
ip_protocol=rule["protocol"],
group_id=ruleset["sg"],
destination_prefix_list_id=rule["cidr_blocks"]
if "cidr_blocks" in rule else None,
destination_security_group_id=rule[
"source_security_group_id"]
if "source_security_group_id" in rule else None)
# IAM
assume_policy_doc = iam.PolicyDocument()
for statement in iam_vars["assume"]["Statement"]:
_statement = iam.PolicyStatement(actions=[statement["Action"]], )
_statement.add_service_principal(statement["Principal"]["Service"])
assume_policy_doc.add_statements(_statement)
role = iam.CfnRole(self,
id="iam_role",
path="/",
assume_role_policy_document=assume_policy_doc)
role_policy_doc = iam.PolicyDocument()
for statement in iam_vars["policy"]["Statement"]:
_statement = iam.PolicyStatement(actions=statement["Action"],
resources=["*"])
role_policy_doc.add_statements(_statement)
policy = iam.CfnPolicy(self,
id="iam_policy",
policy_document=role_policy_doc,
policy_name="cdkPolicy",
roles=[role.ref])
# Lambda
shutil.make_archive("../lambda", 'zip', "../lambda/")
s3_client = boto3.client('s3')
s3_client.upload_file("../lambda.zip", "cloudevescops-zdays-demo",
"cdk.zip")
function = lmd.CfnFunction(self,
id="lambda_function",
handler="lambda.lambda_handler",
role=role.attr_arn,
runtime="python3.7",
code={
"s3Bucket": "cloudevescops-zdays-demo",
"s3Key": "cdk.zip"
},
vpc_config={
"securityGroupIds": [lambda_sg.ref],
"subnetIds":
[s.ref for s in private_subnets]
},
environment={"variables": {
"TOOL": "CDK"
}})
# LB
lb = alb.CfnLoadBalancer(self,
id="alb",
name="lb-cdk",
scheme="internet-facing",
type="application",
subnets=[s.ref for s in public_subnets],
security_groups=[lb_sg.ref])
lmd.CfnPermission(self,
id="lambda_permis",
action="lambda:InvokeFunction",
function_name=function.ref,
principal="elasticloadbalancing.amazonaws.com")
tg = alb.CfnTargetGroup(self,
id="alb_tg",
name="lambda-cdk",
target_type="lambda",
health_check_enabled=True,
health_check_interval_seconds=40,
health_check_path="/",
health_check_timeout_seconds=30,
targets=[{
"id":
function.get_att("Arn").to_string()
}],
matcher={"httpCode": "200"})
alb.CfnListener(self,
id="listener",
default_actions=[{
"type": "forward",
"targetGroupArn": tg.ref
}],
load_balancer_arn=lb.ref,
port=80,
protocol="HTTP")
core.CfnOutput(self, id="fqdn", value=lb.attr_dns_name)
def __init__(self, scope: core.Construct, construct_id: str,
**kwargs) -> None:
super().__init__(scope, construct_id, **kwargs)
vpc = ec2.Vpc(self,
id="MyVPC",
nat_gateways=0,
cidr="192.168.0.0/20",
max_azs=3,
subnet_configuration=[])
pub_subnet = ec2.PublicSubnet(self,
id="PublicSubnet",
availability_zone="eu-central-1c",
cidr_block="192.168.0.0/24",
vpc_id=vpc.vpc_id,
map_public_ip_on_launch=True)
igw = ec2.CfnInternetGateway(
self, id="MyIGW", tags=[core.CfnTag(key="Name", value="IGW")])
ec2.CfnVPCGatewayAttachment(self,
id="IGW_Assoc",
vpc_id=vpc.vpc_id,
internet_gateway_id=igw.ref)
pub_subnet.add_route(id="default_route-sub01",
router_id=igw.ref,
router_type=ec2.RouterType('GATEWAY'),
destination_cidr_block="0.0.0.0/0",
enables_internet_connectivity=True)
# Elastic IP
eip_01 = ec2.CfnEIP(self, id="EIP01")
# NAT gateway
ngw = ec2.CfnNatGateway(self,
id="NAT_GW",
allocation_id=eip_01.attr_allocation_id,
subnet_id=pub_subnet.subnet_id,
tags=[core.CfnTag(key="Name", value="NAT_GW")])
subnet01 = ec2.Subnet(self,
id="Subnet01",
availability_zone="eu-central-1a",
cidr_block="192.168.1.0/24",
vpc_id=vpc.vpc_id,
map_public_ip_on_launch=False)
subnet02 = ec2.Subnet(self,
id="Subnet02",
availability_zone="eu-central-1b",
cidr_block="192.168.2.0/24",
vpc_id=vpc.vpc_id,
map_public_ip_on_launch=False)
subnet01.add_route(id="default_route-sub01",
router_id=ngw.ref,
router_type=ec2.RouterType('NAT_GATEWAY'),
destination_cidr_block="0.0.0.0/0",
enables_internet_connectivity=True)
subnet02.add_route(id="default_route-sub02",
router_id=ngw.ref,
router_type=ec2.RouterType('NAT_GATEWAY'),
destination_cidr_block="0.0.0.0/0",
enables_internet_connectivity=True)
sg_lb = ec2.CfnSecurityGroup(
self,
id="SG_ALB",
group_description="SG for the APP LB",
group_name="SG_ALB",
vpc_id=vpc.vpc_id,
tags=[core.CfnTag(key="Name", value="SG_ALB")])
sg_ec2i = ec2.CfnSecurityGroup(
self,
id="SG_Instances",
group_description="SG for the Instances",
group_name="SG_Instances",
vpc_id=vpc.vpc_id,
tags=[core.CfnTag(key="Name", value="SG_Instances")])
# my_home_ip = requests.get("https://api.ipify.org").text
my_home_ip = "94.112.113.195"
ports_pub = {'tcp': [22, 80], 'icmp': [-1]}
for protocol, ports_list in ports_pub.items():
for port in ports_list:
ec2.CfnSecurityGroupIngress(
self,
id=f"sg_alb_in_{protocol}_{port}",
group_id=sg_lb.attr_group_id,
ip_protocol=protocol,
cidr_ip=f"{my_home_ip}/32",
to_port=port,
from_port=port,
description=f"{protocol.upper()} {port} from home IP")
ec2.CfnSecurityGroupIngress(
self,
id=f"sg_ec2i_in_{protocol}_{port}",
group_id=sg_ec2i.attr_group_id,
ip_protocol=protocol,
to_port=port,
from_port=port,
source_security_group_id=sg_lb.ref,
description=f"{protocol.upper()} {port} from the ALB SG")
with open(
"/home/dragos/Documents/AWS_CDK/app_lb_sample/app_lb_sample/configure.sh",
'r') as config_file:
ud = core.Fn.base64(config_file.read())
bastion_host = ec2.CfnInstance(
self,
id="bastion",
image_id="ami-0de9f803fcac87f46",
instance_type="t2.micro",
subnet_id=pub_subnet.subnet_id,
key_name="proton_mail_kp",
security_group_ids=[sg_lb.ref],
tags=[core.CfnTag(key="Name", value="bastion")])
instance01 = ec2.CfnInstance(
self,
id="WebServer01",
image_id="ami-0de9f803fcac87f46",
instance_type="t2.micro",
subnet_id=subnet01.subnet_id,
key_name="proton_mail_kp",
security_group_ids=[sg_ec2i.ref],
user_data=ud,
tags=[core.CfnTag(key="Name", value="WebServer01")])
instance02 = ec2.CfnInstance(
self,
id="WebServer02",
image_id="ami-0de9f803fcac87f46",
instance_type="t2.micro",
subnet_id=subnet02.subnet_id,
key_name="proton_mail_kp",
security_group_ids=[sg_ec2i.ref],
user_data=ud,
tags=[core.CfnTag(key="Name", value="WebServer02")])
# health_check = elbv2.HealthCheck(enabled=True,
# healthy_http_codes="200",
# path="/index.html",
# protocol=elbv2.Protocol("HTTP"))
target01 = elbv2.CfnTargetGroup.TargetDescriptionProperty(
id=instance01.ref)
target02 = elbv2.CfnTargetGroup.TargetDescriptionProperty(
id=instance02.ref)
tg = elbv2.CfnTargetGroup(
self,
id="TG-WEB-HTTP",
name="TG-WEB-HTTP",
health_check_enabled=True,
health_check_path="/index.html",
health_check_port="80",
matcher=elbv2.CfnTargetGroup.MatcherProperty(http_code="200"),
port=80,
protocol="HTTP", # CASE SENSITIVE
target_type="instance", # CASE SENSITIVE
targets=[target01, target02],
vpc_id=vpc.vpc_id)
alb = elbv2.CfnLoadBalancer(
self,
id="MyALB-HTTP",
ip_address_type="ipv4",
name="MyALB-HTTP",
scheme="internet-facing",
security_groups=[sg_lb.ref],
type="application",
subnets=[subnet01.subnet_id, subnet02.subnet_id])
def_act = Listener.ActionProperty(type="forward",
authenticate_cognito_config=None,
authenticate_oidc_config=None,
fixed_response_config=None,
forward_config=None,
order=50000,
redirect_config=None,
target_group_arn=tg.ref)
listener = elbv2.CfnListener(self,
id="Listener01",
load_balancer_arn=alb.ref,
port=80,
protocol="HTTP",
default_actions=[def_act])
def __init__(self, scope: core.Construct, id: str, vpc, subnet_id,
**kwargs) -> None:
super().__init__(scope, id, **kwargs)
prefix = self.node.try_get_context("project_name")
env_name = self.node.try_get_context("env")
volumne_size = self.node.try_get_context("volumne_size")
ec2_type = self.node.try_get_context("ec2_type")
self.security_group = ec2.CfnSecurityGroup(
self,
id="web_server_sg",
vpc_id=vpc.ref,
group_name=env_name + '-' + prefix + '-www01',
group_description="Web server security group",
# security_group_ingress=[ingress_ssh],
# security_group_egress=[egress_all],
tags=[
core.CfnTag(key="Name",
value=env_name + '-' + prefix + '-www01')
])
# public Ingress
ec2.CfnSecurityGroupIngress(self,
'publicsecuritygroupingress01',
group_id=self.security_group.ref,
ip_protocol='tcp',
cidr_ip='0.0.0.0/0',
description='http',
from_port=80,
to_port=80)
ec2.CfnSecurityGroupIngress(self,
'publicsecuritygroupingress02',
group_id=self.security_group.ref,
ip_protocol='tcp',
cidr_ip='0.0.0.0/0',
description='ssh',
from_port=22,
to_port=22)
# public Egress
ec2.CfnSecurityGroupEgress(
self,
'publicsecuritygroupegress01',
group_id=self.security_group.ref,
ip_protocol='-1',
cidr_ip='0.0.0.0/0'
# destination_security_group_id=privatesecuritygroup01.ref,
# description='for private',
# from_port=22, to_port=22
)
# private Ingress
image_id = ec2.AmazonLinuxImage(
generation=ec2.AmazonLinuxGeneration.AMAZON_LINUX_2).get_image(
self).image_id
self.host = ec2.CfnInstance(
self,
env_name + '-' + prefix,
# availability_zone="ap-northeast-1a",
image_id=image_id,
instance_type=ec2_type,
key_name=key_name,
# credit_specification= { "cpu_credits" : "standard" },
credit_specification=ec2.CfnInstance.CreditSpecificationProperty(
cpu_credits="standard"),
disable_api_termination=False,
security_group_ids=[self.security_group.ref],
subnet_id=subnet_id.ref,
block_device_mappings=[{
"deviceName": "/dev/xvda",
"ebs": {
"volumeSize": volumne_size,
}
}],
tags=[{
"key": "Name",
"value": env_name + '-' + prefix + '-www01'
}])
def __init__(self, scope: core.Construct, construct_id: str, **kwargs) -> None:
super().__init__(scope, construct_id, **kwargs)
vpc = ec2.Vpc(self, id="MyVPC",
nat_gateways=0,
cidr="192.168.0.0/20",
max_azs=1,
subnet_configuration=[])
subnet = ec2.Subnet(self, id="MySubnet",
availability_zone="eu-central-1a",
cidr_block="192.168.1.0/24",
vpc_id=vpc.vpc_id,
map_public_ip_on_launch=True)
igw = ec2.CfnInternetGateway(self, id="MyIGW",
tags=[core.CfnTag(key="Name", value="IGW")])
ec2.CfnVPCGatewayAttachment(self, id="IGW_Assoc",
vpc_id=vpc.vpc_id,
internet_gateway_id=igw.ref)
subnet.add_route(id="default_route",
router_id=igw.ref,
router_type=ec2.RouterType('GATEWAY'),
destination_cidr_block="0.0.0.0/0",
enables_internet_connectivity=True)
sg_public = ec2.CfnSecurityGroup(self, id="SG_PUBLIC",
group_description="SG for the Public Subnet",
group_name="SG_PUBLIC",
vpc_id=vpc.vpc_id,
tags=[core.CfnTag(key="Name", value="SG_Public")])
my_home_ip = requests.get("https://api.ipify.org").text
ports_pub = {'tcp': [22, 80],
'icmp': [-1]
}
for protocol, ports_list in ports_pub.items():
for port in ports_list:
ec2.CfnSecurityGroupIngress(self, id=f"sg_pub_in_{protocol}_{port}",
group_id=sg_public.attr_group_id,
ip_protocol=protocol,
cidr_ip=f"{my_home_ip}/32",
to_port=port,
from_port=port,
description=f"{protocol.upper()} {port} from home IP")
with open("/home/dragos/Documents/AWS_CDK/instance_creation/instance_creation/configure.sh", 'r') as config_file:
ud = core.Fn.base64(config_file.read())
instance = ec2.CfnInstance(self, id="MyInstance",
image_id="ami-0de9f803fcac87f46",
instance_type="t2.micro",
subnet_id=subnet.subnet_id,
key_name="proton_mail_kp",
security_group_ids=[sg_public.ref],
tags=[core.CfnTag(key="Name", value="MyInstance")])
# COMMENT
instance.user_data = ud
def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
az1 = core.Fn.select(0, core.Fn.get_azs(region=core.Aws.REGION))
az2 = core.Fn.select(1, core.Fn.get_azs(region=core.Aws.REGION))
##########
# VPC
##########
# VPC
vpc = ec2.Vpc(self, "vpc", cidr="10.0.0.0/16", subnet_configuration=[])
# Internet gateway
internet_gateway = ec2.CfnInternetGateway(self, "internet-gateway")
ec2.CfnVPCGatewayAttachment(self,
"internet_gateway_attatchment",
vpc_id=vpc.vpc_id,
internet_gateway_id=internet_gateway.ref)
# Public Subnet az1
public_subnet_az1 = ec2.PublicSubnet(self,
"subnet-public-1a",
availability_zone=az1,
cidr_block="10.0.0.0/24",
vpc_id=vpc.vpc_id,
map_public_ip_on_launch=True)
public_subnet_az1.add_route("internet-gateway-route",
router_id=internet_gateway.ref,
router_type=ec2.RouterType.GATEWAY)
# Public Subnet az2
public_subnet_az2 = ec2.PublicSubnet(self,
"subnet-public-1c",
availability_zone=az2,
cidr_block="10.0.1.0/24",
vpc_id=vpc.vpc_id,
map_public_ip_on_launch=True)
public_subnet_az2.add_route("internet-gateway-route",
router_id=internet_gateway.ref,
router_type=ec2.RouterType.GATEWAY)
# Private Subnet az1
private_subnet_az1 = ec2.PrivateSubnet(self,
"subnet-private-1a",
availability_zone=az1,
cidr_block="10.0.2.0/24",
vpc_id=vpc.vpc_id)
# Private Subnet az2
private_subnet_az2 = ec2.PrivateSubnet(self,
"subnet-private-1c",
availability_zone=az2,
cidr_block="10.0.3.0/24",
vpc_id=vpc.vpc_id)
##########
# EC2
##########
# # EC2 Security Group
ec2_security_group = ec2.SecurityGroup(self,
"ec2-security-group",
vpc=vpc)
# ec2_security_group.add_ingress_rule(peer=ec2.Peer.any_ipv4(),connection=ec2.Port.tcp(80))
# User Data
user_data = ec2.UserData.for_linux()
user_data.add_commands(
"yum -y update", "amazon-linux-extras install php7.2 -y",
"yum -y install mysql httpd php-mbstring php-xml",
"wget http://ja.wordpress.org/latest-ja.tar.gz -P /tmp/",
"tar zxvf /tmp/latest-ja.tar.gz -C /tmp",
"cp -r /tmp/wordpress/* /var/www/html/",
"chown apache:apache -R /var/www/html",
"systemctl enable httpd.service", "systemctl start httpd.service")
# EC2 Instance
instance_az1 = ec2.CfnInstance(
self,
"wordpress-instance-az1",
subnet_id=public_subnet_az1.subnet_id,
image_id=ec2.AmazonLinuxImage(
generation=ec2.AmazonLinuxGeneration.AMAZON_LINUX_2).get_image(
self).image_id,
instance_type=ec2.InstanceType.of(
instance_class=ec2.InstanceClass.BURSTABLE3,
instance_size=ec2.InstanceSize.MICRO).to_string(),
security_group_ids=[ec2_security_group.security_group_id],
user_data=core.Fn.base64(user_data.render()))
core.CfnOutput(self,
"EC2 PublicDnsName",
value=instance_az1.attr_public_dns_name)
##########
# RDS
##########
# RDS Security Group
rds_security_group = ec2.SecurityGroup(self,
"rds-security-group",
vpc=vpc)
ec2.CfnSecurityGroupIngress(
self,
"rds-security-group-ingress",
group_id=rds_security_group.security_group_id,
ip_protocol="tcp",
from_port=3306,
to_port=3306,
source_security_group_id=ec2_security_group.security_group_id)
# RDS Subnet Group
rds_subnet_group = rds.CfnDBSubnetGroup(
self,
"rds-subnet-group",
db_subnet_group_description="rds-subnet-group",
subnet_ids=[
private_subnet_az1.subnet_id, private_subnet_az2.subnet_id
])
# RDS Instance
rds_instance = rds.CfnDBInstance(
self,
"rds-instance",
db_instance_identifier="wordpress-rds",
engine=rds.DatabaseInstanceEngine.mysql(
version=rds.MysqlEngineVersion.VER_8_0_20).engine_type,
db_instance_class="db.t3.micro",
master_username="******",
master_user_password="******",
db_name="wordpress",
multi_az=False,
vpc_security_groups=[rds_security_group.security_group_id],
db_subnet_group_name=rds_subnet_group.ref,
allocated_storage="20")
core.CfnOutput(self,
"RDS EndpointAddress",
value=rds_instance.attr_endpoint_address)
core.CfnOutput(self,
"RDS EndpointPort",
value=rds_instance.attr_endpoint_port)
##########
# ALB
##########
# ALB Security Group
alb_security_group = ec2.SecurityGroup(self,
"alb-security-group",
vpc=vpc)
alb_security_group.add_ingress_rule(peer=ec2.Peer.any_ipv4(),
connection=ec2.Port.tcp(80))
# ALB Instance
alb_instance = elb.ApplicationLoadBalancer(
self,
"alb",
vpc=vpc,
vpc_subnets=ec2.SubnetSelection(
subnets=[public_subnet_az1, public_subnet_az2]),
internet_facing=True,
security_group=alb_security_group)
# ALB Target Group
alb_target_group = elb.ApplicationTargetGroup(
self,
"alb-target-group",
vpc=vpc,
target_type=elb.TargetType.INSTANCE,
targets=[elb.InstanceTarget(instance_az1.ref)],
protocol=elb.ApplicationProtocol.HTTP,
port=80,
health_check=elb.HealthCheck(protocol=elb.ApplicationProtocol.HTTP,
path="/wp-includes/images/blank.gif"))
# ALB Listener
alb_listener = elb.ApplicationListener(
self,
"alb-listener",
load_balancer=alb_instance,
default_target_groups=[alb_target_group],
protocol=elb.ApplicationProtocol.HTTP,
port=80)
core.CfnOutput(self,
"ALB DNS Name",
value=alb_instance.load_balancer_dns_name)
# EC2 Security Group Ingress
ec2.CfnSecurityGroupIngress(
self,
"ec2-security-group-ingress",
group_id=ec2_security_group.security_group_id,
ip_protocol="tcp",
from_port=80,
to_port=80,
source_security_group_id=alb_security_group.security_group_id)
def __init__(self, scope: core.Stack, id: str, **kwargs):
super().__init__(scope, id, **kwargs)
# This resource alone will create a private/public subnet in each AZ as well as nat/internet gateway(s)
self.vpc = aws_ec2.Vpc(
self,
"BaseVPC",
cidr='10.0.0.0/24',
)
# Creating ECS Cluster in the VPC created above
self.ecs_cluster = aws_ecs.Cluster(self,
"ECSCluster",
vpc=self.vpc,
cluster_name="container-demo",
container_insights=True)
# Adding service discovery namespace to cluster
self.ecs_cluster.add_default_cloud_map_namespace(
name="service.local", )
###### CAPACITY PROVIDERS SECTION #####
# Adding EC2 capacity to the ECS Cluster
#self.asg = self.ecs_cluster.add_capacity(
# "ECSEC2Capacity",
# instance_type=aws_ec2.InstanceType(instance_type_identifier='t3.small'),
# min_capacity=0,
# max_capacity=10
#)
#core.CfnOutput(self, "EC2AutoScalingGroupName", value=self.asg.auto_scaling_group_name, export_name="EC2ASGName")
##### END CAPACITY PROVIDER SECTION #####
###### EC2 SPOT CAPACITY PROVIDER SECTION ######
## As of today, AWS CDK doesn't support Launch Templates on the AutoScaling construct, hence it
## doesn't support Mixed Instances Policy to combine instance types on Auto Scaling and adhere to Spot best practices
## In the meantime, CfnLaunchTemplate and CfnAutoScalingGroup resources are used to configure Spot capacity
## https://github.com/aws/aws-cdk/issues/6734
#self.ecs_spot_instance_role = aws_iam.Role(
# self, "ECSSpotECSInstanceRole",
# assumed_by=aws_iam.ServicePrincipal("ec2.amazonaws.com"),
# managed_policies=[
# aws_iam.ManagedPolicy.from_aws_managed_policy_name("service-role/AmazonEC2ContainerServiceforEC2Role"),
# aws_iam.ManagedPolicy.from_aws_managed_policy_name("service-role/AmazonEC2RoleforSSM")
# ]
#)
#
#self.ecs_spot_instance_profile = aws_iam.CfnInstanceProfile(
# self, "ECSSpotInstanceProfile",
# roles = [
# self.ecs_spot_instance_role.role_name
# ]
# )
#
## This creates a Launch Template for the Auto Scaling group
#self.lt = aws_ec2.CfnLaunchTemplate(
# self, "ECSEC2SpotCapacityLaunchTemplate",
# launch_template_data={
# "instanceType": "m5.large",
# "imageId": aws_ssm.StringParameter.value_for_string_parameter(
# self,
# "/aws/service/ecs/optimized-ami/amazon-linux-2/recommended/image_id"),
# "securityGroupIds": [ x.security_group_id for x in self.ecs_cluster.connections.security_groups ],
# "iamInstanceProfile": {"arn": self.ecs_spot_instance_profile.attr_arn},
#
# # Here we configure the ECS agent to drain Spot Instances upon catching a Spot Interruption notice from instance metadata
# "userData": core.Fn.base64(
# core.Fn.sub(
# "#!/usr/bin/bash\n"
# "echo ECS_CLUSTER=${cluster_name} >> /etc/ecs/ecs.config\n"
# "sudo iptables --insert FORWARD 1 --in-interface docker+ --destination 169.254.169.254/32 --jump DROP\n"
# "sudo service iptables save\n"
# "echo ECS_ENABLE_SPOT_INSTANCE_DRAINING=true >> /etc/ecs/ecs.config\n"
# "echo ECS_AWSVPC_BLOCK_IMDS=true >> /etc/ecs/ecs.config\n"
# "cat /etc/ecs/ecs.config",
# variables = {
# "cluster_name":self.ecs_cluster.cluster_name
# }
# )
# )
# },
# launch_template_name="ECSEC2SpotCapacityLaunchTemplate")
#
#self.ecs_ec2_spot_mig_asg = aws_autoscaling.CfnAutoScalingGroup(
# self, "ECSEC2SpotCapacity",
# min_size = "0",
# max_size = "10",
# vpc_zone_identifier = [ x.subnet_id for x in self.vpc.private_subnets ],
# mixed_instances_policy = {
# "instancesDistribution": {
# "onDemandAllocationStrategy": "prioritized",
# "onDemandBaseCapacity": 0,
# "onDemandPercentageAboveBaseCapacity": 0,
# "spotAllocationStrategy": "capacity-optimized"
# },
# "launchTemplate": {
# "launchTemplateSpecification": {
# "launchTemplateId": self.lt.ref,
# "version": self.lt.attr_default_version_number
# },
# "overrides": [
# {"instanceType": "m5.large"},
# {"instanceType": "m5d.large"},
# {"instanceType": "m5a.large"},
# {"instanceType": "m5ad.large"},
# {"instanceType": "m5n.large"},
# {"instanceType": "m5dn.large"},
# {"instanceType": "m3.large"},
# {"instanceType": "m4.large"},
# {"instanceType": "t3.large"},
# {"instanceType": "t2.large"}
# ]
# }
# }
#)
#
#core.Tag.add(self.ecs_ec2_spot_mig_asg, "Name", self.ecs_ec2_spot_mig_asg.node.path)
#core.CfnOutput(self, "EC2SpotAutoScalingGroupName", value=self.ecs_ec2_spot_mig_asg.ref, export_name="EC2SpotASGName")
#
##### END EC2 SPOT CAPACITY PROVIDER SECTION #####
# Namespace details as CFN output
self.namespace_outputs = {
'ARN':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_arn,
'NAME':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_name,
'ID':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_id,
}
# Cluster Attributes
self.cluster_outputs = {
'NAME': self.ecs_cluster.cluster_name,
'SECGRPS': str(self.ecs_cluster.connections.security_groups)
}
# When enabling EC2, we need the security groups "registered" to the cluster for imports in other service stacks
if self.ecs_cluster.connections.security_groups:
self.cluster_outputs['SECGRPS'] = str([
x.security_group_id
for x in self.ecs_cluster.connections.security_groups
][0])
# Frontend service to backend services on 3000
self.services_3000_sec_group = aws_ec2.SecurityGroup(
self,
"FrontendToBackendSecurityGroup",
allow_all_outbound=True,
description=
"Security group for frontend service to talk to backend services",
vpc=self.vpc)
# Allow inbound 3000 from ALB to Frontend Service
self.sec_grp_ingress_self_3000 = aws_ec2.CfnSecurityGroupIngress(
self,
"InboundSecGrp3000",
ip_protocol='TCP',
source_security_group_id=self.services_3000_sec_group.
security_group_id,
from_port=3000,
to_port=3000,
group_id=self.services_3000_sec_group.security_group_id)
# Creating an EC2 bastion host to perform load test on private backend services
amzn_linux = aws_ec2.MachineImage.latest_amazon_linux(
generation=aws_ec2.AmazonLinuxGeneration.AMAZON_LINUX_2,
edition=aws_ec2.AmazonLinuxEdition.STANDARD,
virtualization=aws_ec2.AmazonLinuxVirt.HVM,
storage=aws_ec2.AmazonLinuxStorage.GENERAL_PURPOSE)
# Instance Role/profile that will be attached to the ec2 instance
# Enabling service role so the EC2 service can use ssm
role = aws_iam.Role(
self,
"InstanceSSM",
assumed_by=aws_iam.ServicePrincipal("ec2.amazonaws.com"))
# Attaching the SSM policy to the role so we can use SSM to ssh into the ec2 instance
role.add_managed_policy(
aws_iam.ManagedPolicy.from_aws_managed_policy_name(
"service-role/AmazonEC2RoleforSSM"))
# Reading user data, to install siege into the ec2 instance.
with open("stresstool_user_data.sh") as f:
user_data = f.read()
# Instance creation
self.instance = aws_ec2.Instance(
self,
"Instance",
instance_name="{}-stresstool".format(stack_name),
instance_type=aws_ec2.InstanceType("t3.medium"),
machine_image=amzn_linux,
vpc=self.vpc,
role=role,
user_data=aws_ec2.UserData.custom(user_data),
security_group=self.services_3000_sec_group)
# App Mesh Configuration
# self.appmesh()
# All Outputs required for other stacks to build
core.CfnOutput(self,
"NSArn",
value=self.namespace_outputs['ARN'],
export_name="NSARN")
core.CfnOutput(self,
"NSName",
value=self.namespace_outputs['NAME'],
export_name="NSNAME")
core.CfnOutput(self,
"NSId",
value=self.namespace_outputs['ID'],
export_name="NSID")
core.CfnOutput(self,
"FE2BESecGrp",
value=self.services_3000_sec_group.security_group_id,
export_name="SecGrpId")
core.CfnOutput(self,
"ECSClusterName",
value=self.cluster_outputs['NAME'],
export_name="ECSClusterName")
core.CfnOutput(self,
"ECSClusterSecGrp",
value=self.cluster_outputs['SECGRPS'],
export_name="ECSSecGrpList")
core.CfnOutput(self,
"ServicesSecGrp",
value=self.services_3000_sec_group.security_group_id,
export_name="ServicesSecGrp")
core.CfnOutput(self,
"StressToolEc2Id",
value=self.instance.instance_id)
core.CfnOutput(self,
"StressToolEc2Ip",
value=self.instance.instance_private_ip)
def __init__(self, scope: core.Construct, id: str, application_port,
ingress_security_group_ids, ssl_certificate_arn, ssl_policy,
subnet_ids, vpc_id):
super().__init__(scope, id)
# Use low level constructs to build security groups as it allows us to name the
# ingress rules properly. It's also easier to map the low level construct params
# to their cfn equivalent
app_sg = ec2.CfnSecurityGroup(
self,
id='SharedApplicationSecurityGroup',
group_description='Shared Fargate Security Group',
vpc_id=vpc_id)
app_lb_sg = ec2.CfnSecurityGroup(
self,
id='SharedApplicationLBSecurityGroup',
group_description='Shared ALB Security Group',
vpc_id=vpc_id,
security_group_egress=[{
'ipProtocol': 'tcp',
'fromPort': application_port,
'toPort': application_port,
'destinationSecurityGroupId': app_sg.ref
}])
app_sg_ingress = ec2.CfnSecurityGroupIngress(
self,
id='SharedApplicationSecurityGroupIngress',
group_id=app_sg.ref,
source_security_group_id=app_lb_sg.ref,
ip_protocol='tcp',
from_port=application_port,
to_port=application_port)
for index, sg in enumerate(ingress_security_group_ids):
ec2.CfnSecurityGroupIngress(
self,
id=f"SharedApplicationLBSecurityGroupIngress{index}",
group_id=app_lb_sg.ref,
source_security_group_id=sg,
ip_protocol='tcp',
from_port=443,
to_port=443)
lb = elbv2.CfnLoadBalancer(self,
id='SharedLoadBalancer',
scheme='internal',
security_groups=[app_lb_sg.ref],
subnets=subnet_ids)
listener = elbv2.CfnListener(
self,
id='SharedListener',
certificates=[{
'certificateArn': ssl_certificate_arn
}],
default_actions=[{
'type': 'fixed-response',
'fixedResponseConfig': {
'contentType': 'text/plain',
'messageBody':
'You have reached the the Load Balancer, but not matched any of the listener rules',
'statusCode': '200'
}
}],
load_balancer_arn=lb.ref,
port=443,
protocol='HTTPS',
ssl_policy=ssl_policy)
core.CfnOutput(
self,
id=SHARED_LB_DNS_NAME,
description='Shared Load Balancer DNS Name',
export_name=f"{core.Aws.STACK_NAME}:{SHARED_LB_DNS_NAME}",
value=lb.attr_dns_name)
core.CfnOutput(
self,
id=SHARED_LB_HOSTED_ZONE_ID,
description='Shared Load Balancer Canonical Hosted Zone ID',
export_name=f"{core.Aws.STACK_NAME}:{SHARED_LB_HOSTED_ZONE_ID}",
value=lb.attr_canonical_hosted_zone_id)
core.CfnOutput(
self,
id=SHARED_LB_LISTENER,
description='Shared Load Balancer Listener',
export_name=f"{core.Aws.STACK_NAME}:{SHARED_LB_LISTENER}",
value=listener.ref)
core.CfnOutput(
self,
id=SHARED_SERVICE_SECURITY_GROUP,
description='Shared Fargate Security Group',
export_name=
f"{core.Aws.STACK_NAME}:{SHARED_SERVICE_SECURITY_GROUP}",
value=app_sg.ref)
def __init__(self, scope: core.Stack, id: str, **kwargs):
super().__init__(scope, id, **kwargs)
environment = 'dev'
support_group_cluster_name = 'octank-support'
resource_name = support_group_cluster_name + '-' + environment
# This resource alone will create a private/public subnet in each AZ as well as nat/internet gateway(s)
self.vpc = aws_ec2.Vpc(self,
'OctankSupportVPC',
cidr='10.0.0.0/24',
max_azs=3)
# Creating ECS Cluster in the VPC created above
self.ecs_cluster = aws_ecs.Cluster(self,
resource_name,
vpc=self.vpc,
cluster_name=resource_name)
# Adding service discovery namespace to cluster
self.ecs_cluster.add_default_cloud_map_namespace(
name='support.octank.local',
# name=resource_name + '-services',
)
# Namespace details as CFN output
self.namespace_outputs = {
'ARN':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_arn,
'NAME':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_name,
'ID':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_id,
}
# Cluster Attributes
self.cluster_outputs = {
'NAME': self.ecs_cluster.cluster_name,
# 'SECGRPS': str(self.ecs_cluster.connections.security_groups)
}
# Security Group for port 8080 services
self.services_8080_sec_group = aws_ec2.SecurityGroup(
# self, 'FrontendToBackendSecurityGroup',
self,
'ELBToBackendSecurityGroup',
allow_all_outbound=True,
description=
'Security group for LB to talk to octicketing applicatoin',
vpc=self.vpc)
# Allow inbound 8080 from ALB to Frontend Service
self.sec_grp_ingress_self_8080 = aws_ec2.CfnSecurityGroupIngress(
self,
'InboundSecGrp8080',
ip_protocol='TCP',
source_security_group_id=self.services_8080_sec_group.
security_group_id,
from_port=8080,
to_port=8080,
group_id=self.services_8080_sec_group.security_group_id)
# All Outputs required for other stacks to build
core.CfnOutput(self,
'NSArn',
value=self.namespace_outputs['ARN'],
export_name='NSARN')
core.CfnOutput(self,
'NSName',
value=self.namespace_outputs['NAME'],
export_name='NSNAME')
core.CfnOutput(self,
'NSId',
value=self.namespace_outputs['ID'],
export_name='NSID')
# value=self.services_8080_sec_group.security_group_id, export_name='SecGrpId')
core.CfnOutput(self,
'ECSClusterName',
value=self.cluster_outputs['NAME'],
export_name='ECSClusterName')
core.CfnOutput(self,
'ServicesSecGrp',
value=self.services_8080_sec_group.security_group_id,
export_name='ServicesSecGrp')
def __init__(self, scope: core.Stack, id: str, **kwargs):
super().__init__(scope, id, **kwargs)
# This resource alone will create a private/public subnet in each AZ as well as nat/internet gateway(s)
self.vpc = aws_ec2.Vpc(
self,
"BaseVPC",
cidr='10.0.0.0/24',
)
# Creating ECS Cluster in the VPC created above
self.ecs_cluster = aws_ecs.Cluster(self, "ECSCluster", vpc=self.vpc)
# Adding service discovery namespace to cluster
self.ecs_cluster.add_default_cloud_map_namespace(name="service", )
# Namespace details as CFN output
self.namespace_outputs = {
'ARN':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_arn,
'NAME':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_name,
'ID':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_id,
}
# Cluster Attributes
self.cluster_outputs = {
'NAME': self.ecs_cluster.cluster_name,
'SECGRPS': str(self.ecs_cluster.connections.security_groups)
}
# Frontend service to backend services on 3000
self.services_3000_sec_group = aws_ec2.SecurityGroup(
self,
"FrontendToBackendSecurityGroup",
allow_all_outbound=True,
description=
"Security group for frontend service to talk to backend services",
vpc=self.vpc)
# Allow inbound 3000 from ALB to Frontend Service
self.sec_grp_ingress_self_3000 = aws_ec2.CfnSecurityGroupIngress(
self,
"InboundSecGrp3000",
ip_protocol='TCP',
source_security_group_id=self.services_3000_sec_group.
security_group_id,
from_port=3000,
to_port=3000,
group_id=self.services_3000_sec_group.security_group_id)
# All Outputs required for other stacks to build
core.CfnOutput(self,
"NSArn",
value=self.namespace_outputs['ARN'],
export_name="NSARN")
core.CfnOutput(self,
"NSName",
value=self.namespace_outputs['NAME'],
export_name="NSNAME")
core.CfnOutput(self,
"NSId",
value=self.namespace_outputs['ID'],
export_name="NSID")
core.CfnOutput(self,
"FE2BESecGrp",
value=self.services_3000_sec_group.security_group_id,
export_name="SecGrpId")
core.CfnOutput(self,
"ECSClusterName",
value=self.cluster_outputs['NAME'],
export_name="ECSClusterName")
core.CfnOutput(self,
"ECSClusterSecGrp",
value=self.cluster_outputs['SECGRPS'],
export_name="ECSSecGrpList")
core.CfnOutput(self,
"ServicesSecGrp",
value=self.services_3000_sec_group.security_group_id,
export_name="ServicesSecGrp")
def __init__(self, scope: core.Stack, id: str, **kwargs):
super().__init__(scope, id, **kwargs)
# This resource alone will create a private/public subnet in each AZ as well as nat/internet gateway(s)
self.vpc = aws_ec2.Vpc(
self,
"BaseVPC",
cidr='10.0.0.0/24',
)
# Creating ECS Cluster in the VPC created above
self.ecs_cluster = aws_ecs.Cluster(self,
"ECSCluster",
vpc=self.vpc,
cluster_name="container-demo")
# Adding service discovery namespace to cluster
self.ecs_cluster.add_default_cloud_map_namespace(name="service", )
###### CAPACITY PROVIDERS SECTION #####
# Adding EC2 capacity to the ECS Cluster
self.asg = self.ecs_cluster.add_capacity(
"ECSEC2Capacity",
instance_type=aws_ec2.InstanceType(
instance_type_identifier='t3.small'),
min_capacity=0,
max_capacity=10)
core.CfnOutput(self,
"EC2AutoScalingGroupName",
value=self.asg.auto_scaling_group_name,
export_name="EC2ASGName")
##### END CAPACITY PROVIDER SECTION #####
# Namespace details as CFN output
self.namespace_outputs = {
'ARN':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_arn,
'NAME':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_name,
'ID':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_id,
}
# Cluster Attributes
self.cluster_outputs = {
'NAME': self.ecs_cluster.cluster_name,
'SECGRPS': str(self.ecs_cluster.connections.security_groups)
}
# When enabling EC2, we need the security groups "registered" to the cluster for imports in other service stacks
if self.ecs_cluster.connections.security_groups:
self.cluster_outputs['SECGRPS'] = str([
x.security_group_id
for x in self.ecs_cluster.connections.security_groups
][0])
# Frontend service to backend services on 3000
self.services_3000_sec_group = aws_ec2.SecurityGroup(
self,
"FrontendToBackendSecurityGroup",
allow_all_outbound=True,
description=
"Security group for frontend service to talk to backend services",
vpc=self.vpc)
# Allow inbound 3000 from ALB to Frontend Service
self.sec_grp_ingress_self_3000 = aws_ec2.CfnSecurityGroupIngress(
self,
"InboundSecGrp3000",
ip_protocol='TCP',
source_security_group_id=self.services_3000_sec_group.
security_group_id,
from_port=3000,
to_port=3000,
group_id=self.services_3000_sec_group.security_group_id)
# Creating an EC2 bastion host to perform load test on private backend services
amzn_linux = aws_ec2.MachineImage.latest_amazon_linux(
generation=aws_ec2.AmazonLinuxGeneration.AMAZON_LINUX_2,
edition=aws_ec2.AmazonLinuxEdition.STANDARD,
virtualization=aws_ec2.AmazonLinuxVirt.HVM,
storage=aws_ec2.AmazonLinuxStorage.GENERAL_PURPOSE)
# Instance Role/profile that will be attached to the ec2 instance
# Enabling service role so the EC2 service can use ssm
role = aws_iam.Role(
self,
"InstanceSSM",
assumed_by=aws_iam.ServicePrincipal("ec2.amazonaws.com"))
# Attaching the SSM policy to the role so we can use SSM to ssh into the ec2 instance
role.add_managed_policy(
aws_iam.ManagedPolicy.from_aws_managed_policy_name(
"service-role/AmazonEC2RoleforSSM"))
# Reading user data, to install siege into the ec2 instance.
with open("stresstool_user_data.sh") as f:
user_data = f.read()
# Instance creation
self.instance = aws_ec2.Instance(
self,
"Instance",
instance_name="{}-stresstool".format(stack_name),
instance_type=aws_ec2.InstanceType("t3.medium"),
machine_image=amzn_linux,
vpc=self.vpc,
role=role,
user_data=aws_ec2.UserData.custom(user_data),
security_group=self.services_3000_sec_group)
# All Outputs required for other stacks to build
core.CfnOutput(self,
"NSArn",
value=self.namespace_outputs['ARN'],
export_name="NSARN")
core.CfnOutput(self,
"NSName",
value=self.namespace_outputs['NAME'],
export_name="NSNAME")
core.CfnOutput(self,
"NSId",
value=self.namespace_outputs['ID'],
export_name="NSID")
core.CfnOutput(self,
"FE2BESecGrp",
value=self.services_3000_sec_group.security_group_id,
export_name="SecGrpId")
core.CfnOutput(self,
"ECSClusterName",
value=self.cluster_outputs['NAME'],
export_name="ECSClusterName")
core.CfnOutput(self,
"ECSClusterSecGrp",
value=self.cluster_outputs['SECGRPS'],
export_name="ECSSecGrpList")
core.CfnOutput(self,
"ServicesSecGrp",
value=self.services_3000_sec_group.security_group_id,
export_name="ServicesSecGrp")
core.CfnOutput(self,
"StressToolEc2Id",
value=self.instance.instance_id)
core.CfnOutput(self,
"StressToolEc2Ip",
value=self.instance.instance_private_ip)
def __init__(self, scope: core.Construct, id: str, vpc_ip: str,
**kwargs) -> None:
super().__init__(scope, id, **kwargs)
if vpc_ip:
print("VPC_IP " + vpc_ip)
cidr = vpc_ip
else:
cidr = "10.0.0.0/16"
# 01. VPC 생성
cfVpc = ec2.CfnVPC(self,
"VPC",
cidr_block=cidr,
tags=[core.Tag(key="Name", value="CDKVPC")])
# 02. Subnet 생성
subnet_2a = ec2.CfnSubnet(
self,
id="subnet_2a",
availability_zone="ap-northeast-2a",
cidr_block="100.0.1.0/24",
map_public_ip_on_launch=True,
vpc_id=cfVpc.ref,
tags=[core.Tag(key="Name", value="subnet-2a")])
subnet_2c = ec2.CfnSubnet(
self,
id="subnet_2c",
availability_zone="ap-northeast-2c",
cidr_block="100.0.2.0/24",
map_public_ip_on_launch=True,
vpc_id=cfVpc.ref,
tags=[core.Tag(key="Name", value="subnet-2c")])
# 03. Internet Gateway 생성
internet_gateway = ec2.CfnInternetGateway(
self,
id="Internet_Gateway_DNS_Example",
tags=[core.Tag(key="Name", value="Internet_Gateway_for_DNS")])
# 04. Internat Gateway Attach
ec2.CfnVPCGatewayAttachment(self,
id="vpcgw",
vpc_id=cfVpc.ref,
internet_gateway_id=internet_gateway.ref)
#05. Route Table 생성
route_table = ec2.CfnRouteTable(
self,
id="dns_example_routetable",
vpc_id=cfVpc.ref,
tags=[core.Tag(key="Name", value="Route_for_DNS")])
#Route
ec2.CfnRoute(self,
id="IGW_Route",
route_table_id=route_table.ref,
destination_cidr_block="0.0.0.0/0",
gateway_id=internet_gateway.ref)
ec2.CfnSubnetRouteTableAssociation(self,
id="DnsSubnet_Associate_2a",
route_table_id=route_table.ref,
subnet_id=subnet_2a.ref)
ec2.CfnSubnetRouteTableAssociation(self,
id="DnsSubnet_Associate_2c",
route_table_id=route_table.ref,
subnet_id=subnet_2c.ref)
# 03. SG 생성
sg = ec2.CfnSecurityGroup(self,
id="sg-ssh",
vpc_id=cfVpc.ref,
group_description="Default Group",
tags=[core.Tag(key="Name", value="DNS_SG")])
#security_group_ingress=[ingress_ssh])
#security_group_egress=[egress_all])
ingress_ssh = ec2.CfnSecurityGroupIngress(self,
"SSH",
ip_protocol="tcp",
group_id=sg.ref,
from_port=22,
to_port=22,
cidr_ip="0.0.0.0/0")
egress_all = ec2.CfnSecurityGroupEgress(
self,
id="OUTBOUND",
group_id=sg.ref,
ip_protocol="-1",
#from_port=0,
#to_port=65535,
cidr_ip="0.0.0.0/0")
# 04. DNS Server EC2 생성
dns_server = ec2.MachineImage.generic_linux(
{"ap-northeast-2": "ami-00d293396a942208d"})
ec2.CfnInstance(self,
id="dns_master",
image_id=dns_server.get_image(self).image_id,
instance_type="t2.small",
key_name="SeoulRegion",
security_group_ids=[sg.ref],
subnet_id=subnet_2a.ref,
tags=[{
"key": "Name",
"value": "dns_master"
}])
ec2.CfnInstance(self,
id="dns_slave",
image_id=dns_server.get_image(self).image_id,
instance_type="t2.small",
key_name="SeoulRegion",
security_group_ids=[sg.ref],
subnet_id=subnet_2c.ref,
tags=[{
"key": "Name",
"value": "dns_slave"
}])
def __init__(self, scope: core.Construct, construct_id: str,
**kwargs) -> None:
super().__init__(scope, construct_id, **kwargs)
# Create an empty VPC
# If you don't specify any other resources EXCEPT the VPC, there's a standard template applied
vpc = ec2.Vpc(
self,
id="MyVPC",
nat_gateways=0,
cidr="192.168.0.0/20",
max_azs=1,
subnet_configuration=[],
)
# A couple of subnets
app_subnet = ec2.CfnSubnet(
self,
id="Application",
vpc_id=vpc.vpc_id,
availability_zone="eu-central-1a",
cidr_block="192.168.1.0/24",
map_public_ip_on_launch=False,
tags=[core.CfnTag(key="Name", value="Application")])
web_subnet = ec2.CfnSubnet(
self,
id="Webhost",
vpc_id=vpc.vpc_id,
availability_zone="eu-central-1b",
cidr_block="192.168.2.0/24",
map_public_ip_on_launch=True,
tags=[core.CfnTag(key="Name", value="WebHost")])
# A couple of route tables
private_rt = ec2.CfnRouteTable(
self,
id="Private_RT",
vpc_id=vpc.vpc_id,
tags=[core.CfnTag(key="Name", value="Private_RT")])
public_rt = ec2.CfnRouteTable(
self,
id="Public_RT",
vpc_id=vpc.vpc_id,
tags=[core.CfnTag(key="Name", value="Public_RT")])
# How to associate a subnet with a route table
ec2.CfnSubnetRouteTableAssociation(self,
id="WebHostRTAssoc",
subnet_id=web_subnet.ref,
route_table_id=public_rt.ref)
ec2.CfnSubnetRouteTableAssociation(self,
id="ApplicationRTAssoc",
subnet_id=app_subnet.ref,
route_table_id=private_rt.ref)
# A gateway (Internet Gateway in this case)
igw = ec2.CfnInternetGateway(
self, id="MyIGW", tags=[core.CfnTag(key="Name", value="IGW")])
# How to associate a gateway to a VPC (IGW in this case - for VGW use vpn_gateway_id=blablabla)
ec2.CfnVPCGatewayAttachment(self,
id="IGW_Assoc",
vpc_id=vpc.vpc_id,
internet_gateway_id=igw.ref)
# Elastic IP
eip_01 = ec2.CfnEIP(self, id="EIP01")
# NAT gateway
ngw = ec2.CfnNatGateway(self,
id="NAT_GW",
allocation_id=eip_01.attr_allocation_id,
subnet_id=web_subnet.ref,
tags=[core.CfnTag(key="Name", value="NAT_GW")])
ngw.add_depends_on(eip_01)
# Add a route to a route table
default_route_public = ec2.CfnRoute(self,
id="DefaultRoutePublic",
route_table_id=public_rt.ref,
destination_cidr_block="0.0.0.0/0",
gateway_id=igw.ref)
default_route_public.add_depends_on(igw)
default_route_private = ec2.CfnRoute(
self,
id="DefaultRouteprivate",
route_table_id=private_rt.ref,
destination_cidr_block="0.0.0.0/0",
nat_gateway_id=ngw.ref)
default_route_private.add_depends_on(ngw)
### Security Groups ###
# PUBLIC SUBNET SG
sg_public = ec2.CfnSecurityGroup(
self,
id="SG_PUBLIC",
group_description="SG for the Public Subnet",
group_name="SG_PUBLIC",
vpc_id=vpc.vpc_id,
tags=[core.CfnTag(key="Name", value="SG_Public")])
my_home_ip = requests.get("https://api.my-ip.io/ip.json").json()['ip']
ports_pub = {'tcp': [22, 80], 'icmp': [-1]}
for protocl, ports_list in ports_pub.items():
for port in ports_list:
ec2.CfnSecurityGroupIngress(
self,
id=f"sg_pub_in_{protocl}_{port}",
group_id=sg_public.attr_group_id,
ip_protocol=protocl,
cidr_ip=f"{my_home_ip}/32",
to_port=port,
from_port=port,
description=f"{protocl.upper()} {port} from home IP")
# SG INGRESS ENTRIES - ICMP - EXAMPLE
# sg_in_icmp = ec2.CfnSecurityGroupIngress(self, id="SG_PUB_IN_ICMP",
# group_id=sg_public.attr_group_id,
# ip_protocol = "icmp",
# cidr_ip = f"{my_home_ip}/32",
# to_port = -1,
# from_port = -1,
# description = "ICMP FROM HOME")
# SG EGRESS ENTRIES - AUTO-IMPLIED IF NOT CONFIGURED
# sg_out_all = ec2.CfnSecurityGroupEgress(self, id="SG_PUB_OUT_ALL",
# group_id=sg_public.attr_group_id,
# ip_protocol="-1",
# cidr_ip="0.0.0.0/0")
# PRIVATE SUBNET SG
sg_private = ec2.CfnSecurityGroup(
self,
id="SG_PRIVATE",
group_description="SG for the Private Subnet",
group_name="SG_PRIVATE",
vpc_id=vpc.vpc_id,
tags=[core.CfnTag(key="Name", value="SG_Private")])
sg_private.add_depends_on(sg_public)
ports_priv = {'tcp': [22, 21, 53, 3368, 80], 'icmp': [-1]}
for protocl, ports_list in ports_priv.items():
for port in ports_list:
ec2.CfnSecurityGroupIngress(
self,
id=f"sg_priv_in_{protocl}_{port}",
group_id=sg_private.attr_group_id,
description=
f"{protocl.upper()}:{port} from the public subnet only",
ip_protocol=protocl,
from_port=port,
to_port=port,
source_security_group_id=sg_public.ref)
### EC2 Instances ###
# Generate some user data _ WIP
# user_data = ec2.UserData.custom
# One in the public subnet
webserver01 = ec2.CfnInstance(
self,
id="WebServer01",
image_id="ami-0de9f803fcac87f46",
instance_type="t2.micro",
subnet_id=web_subnet.ref,
key_name="proton_mail_kp",
security_group_ids=[sg_public.ref],
tags=[core.CfnTag(key="Name", value="WebServer01")])
appserver01 = ec2.CfnInstance(
self,
id="AppServer01",
image_id="ami-0de9f803fcac87f46",
instance_type="t2.micro",
subnet_id=app_subnet.ref,
key_name="proton_mail_kp",
security_group_ids=[sg_private.ref],
tags=[core.CfnTag(key="Name", value="AppServer01")])
def __init__(self, scope: core.Stack, id: str, **kwargs):
super().__init__(scope, id, **kwargs)
# This resource alone will create a private/public subnet in each AZ as well as nat/internet gateway(s)
self.vpc = aws_ec2.Vpc(
self,
"BaseVPC",
cidr='10.0.0.0/24',
)
# Creating ECS Cluster in the VPC created above
self.ecs_cluster = aws_ecs.Cluster(self,
"ECSCluster",
vpc=self.vpc,
cluster_name="stang-ec2-cluster")
# Adding service discovery namespace to cluster
self.ecs_cluster.add_default_cloud_map_namespace(name="service", )
###### CAPACITY PROVIDERS SECTION #####
# Adding EC2 capacity to the ECS Cluster
self.asg = self.ecs_cluster.add_capacity(
"ECSEC2Capacity",
instance_type=aws_ec2.InstanceType(
instance_type_identifier='m5.large'),
key_name='stang-linux-us-west-2',
min_capacity=0,
max_capacity=10)
core.CfnOutput(self,
"EC2AutoScalingGroupName",
value=self.asg.auto_scaling_group_name,
export_name="EC2ASGName")
##### END CAPACITY PROVIDER SECTION #####
# Namespace details as CFN output
self.namespace_outputs = {
'ARN':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_arn,
'NAME':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_name,
'ID':
self.ecs_cluster.default_cloud_map_namespace.
private_dns_namespace_id,
}
# Cluster Attributes
self.cluster_outputs = {
'NAME': self.ecs_cluster.cluster_name,
'SECGRPS': str(self.ecs_cluster.connections.security_groups)
}
# When enabling EC2, we need the security groups "registered" to the cluster for imports in other service stacks
if self.ecs_cluster.connections.security_groups:
self.cluster_outputs['SECGRPS'] = str([
x.security_group_id
for x in self.ecs_cluster.connections.security_groups
][0])
# Frontend service to backend services on 3000
self.services_3000_sec_group = aws_ec2.SecurityGroup(
self,
"FrontendToBackendSecurityGroup",
allow_all_outbound=True,
description=
"Security group for frontend service to talk to backend services",
vpc=self.vpc)
# Allow inbound 3000 from ALB to Frontend Service
self.sec_grp_ingress_self_3000 = aws_ec2.CfnSecurityGroupIngress(
self,
"InboundSecGrp3000",
ip_protocol='TCP',
source_security_group_id=self.services_3000_sec_group.
security_group_id,
from_port=3000,
to_port=3000,
group_id=self.services_3000_sec_group.security_group_id)
# All Outputs required for other stacks to build
core.CfnOutput(self,
"NSArn",
value=self.namespace_outputs['ARN'],
export_name="NSARN")
core.CfnOutput(self,
"NSName",
value=self.namespace_outputs['NAME'],
export_name="NSNAME")
core.CfnOutput(self,
"NSId",
value=self.namespace_outputs['ID'],
export_name="NSID")
core.CfnOutput(self,
"FE2BESecGrp",
value=self.services_3000_sec_group.security_group_id,
export_name="SecGrpId")
core.CfnOutput(self,
"ECSClusterName",
value=self.cluster_outputs['NAME'],
export_name="ECSClusterName")
core.CfnOutput(self,
"ECSClusterSecGrp",
value=self.cluster_outputs['SECGRPS'],
export_name="ECSSecGrpList")
core.CfnOutput(self,
"ServicesSecGrp",
value=self.services_3000_sec_group.security_group_id,
export_name="ServicesSecGrp")
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]))
