def build_template(keyPair, instanceType):
''' Builds the CloudFormation template which will create EC2 and supporting resources. '''
print
print '################ 2. Template Build Phase ################'
print 'Starting CloudFormation template build.'
### Template Info ###
mini_template = Template()
# Define template version and description
mini_template.add_version('2010-09-09')
mini_template.add_description(
'Provisions VPC, IGW, Route Table, Subnet, and EC2 instance in AWS to support a static website.'
)
### Parameters ###
instance_type = mini_template.add_parameter(
Parameter(
'InstanceType',
Type='String',
Description='EC2 instance type',
Default=instanceType,
AllowedValues=[
't1.micro', 't2.micro', 't2.small', 't2.medium', 'm1.small',
'm1.medium', 'm1.large', 'm1.xlarge', 'm2.xlarge',
'm2.2xlarge', 'm2.4xlarge', 'm3.medium', 'm3.large',
'm3.xlarge', 'm3.2xlarge', 'm4.large', 'm4.xlarge',
'm4.2xlarge', 'm4.4xlarge', 'm4.10xlarge', 'c1.medium',
'c1.xlarge', 'c3.large', 'c3.xlarge', 'c3.2xlarge',
'c3.4xlarge', 'c3.8xlarge', 'c4.large', 'c4.xlarge',
'c4.2xlarge', 'c4.4xlarge', 'c4.8xlarge', 'g2.2xlarge',
'r3.large', 'r3.xlarge', 'r3.2xlarge', 'r3.4xlarge',
'r3.8xlarge', 'i2.xlarge', 'i2.2xlarge', 'i2.4xlarge',
'i2.8xlarge', 'd2.xlarge', 'd2.2xlarge', 'd2.4xlarge',
'd2.8xlarge', 'hi1.4xlarge', 'hs1.8xlarge', 'cr1.8xlarge',
'cc2.8xlarge', 'cg1.4xlarge'
],
ConstraintDescription='must be a valid EC2 instance type.',
))
### Mappings ###
# AMI Mapping for Amazon Linux AMI as of 03-Jan-2017
mini_template.add_mapping(
'AWSRegionArch2AMI', {
'us-east-1': {
'HVM64': 'ami-9be6f38c'
},
'us-east-2': {
'HVM64': 'ami-38cd975d'
},
'us-west-1': {
'HVM64': 'ami-b73d6cd7'
},
'us-west-2': {
'HVM64': 'ami-1e299d7e'
},
'ca-central-1': {
'HVM64': 'ami-eb20928f'
},
'eu-west-1': {
'HVM64': 'ami-c51e3eb6'
},
'eu-west-2': {
'HVM64': 'ami-bfe0eadb'
},
'eu-central-1': {
'HVM64': 'ami-211ada4e'
},
'ap-southeast-1': {
'HVM64': 'ami-4dd6782e'
},
'ap-southeast-2': {
'HVM64': 'ami-28cff44b'
},
'ap-northeast-1': {
'HVM64': 'ami-9f0c67f8'
},
'ap-northeast-2': {
'HVM64': 'ami-94bb6dfa'
},
'ap-south-1': {
'HVM64': 'ami-9fc7b0f0'
},
'sa-east-1': {
'HVM64': 'ami-bb40d8d7'
}
})
### Resources ###
# VPC
vpc = mini_template.add_resource(
VPC('VPC',
CidrBlock='172.16.0.0/16',
EnableDnsSupport='True',
EnableDnsHostnames='True',
Tags=Tags(Name=stack_name + '-vpc', Project=stack_name)))
# Internet Gateway
igw = mini_template.add_resource(
InternetGateway('InternetGateway',
Tags=Tags(Name=stack_name + '-igw',
Project=stack_name)))
# Attach IGW to VPC
attach_gateway = mini_template.add_resource(
VPCGatewayAttachment('AttachGateway',
VpcId=Ref(vpc),
InternetGatewayId=Ref(igw)))
# Route Table
route_table = mini_template.add_resource(
RouteTable('RouteTable',
VpcId=Ref(vpc),
Tags=Tags(Name=stack_name + '-routetable',
Project=stack_name)))
# Route 0.0.0.0 -> IGW
route01 = mini_template.add_resource(
Route('Route',
DependsOn='AttachGateway',
GatewayId=Ref(igw),
DestinationCidrBlock='0.0.0.0/0',
RouteTableId=Ref(route_table)))
# Subnet
subnet = mini_template.add_resource(
Subnet('Subnet',
CidrBlock='172.16.10.0/24',
VpcId=Ref(vpc),
MapPublicIpOnLaunch='True',
Tags=Tags(Name=stack_name + '-subnet', Project=stack_name)))
# Subnet -> Route Table
subnet_route_associate = mini_template.add_resource(
SubnetRouteTableAssociation('SubnetRouteTableAssociation',
SubnetId=Ref(subnet),
RouteTableId=Ref(route_table)))
# Security Group allowing access via SSH and HTTP
web_security_group = mini_template.add_resource(
SecurityGroup('WebSecurityGroup',
GroupDescription=
'Enable access to the web server on ports 80 and 22.',
VpcId=Ref(vpc),
Tags=Tags(Name=stack_name + '-securitygroup',
Project=stack_name),
SecurityGroupIngress=[
SecurityGroupRule(IpProtocol='tcp',
FromPort='22',
ToPort='22',
CidrIp='0.0.0.0/0'),
SecurityGroupRule(IpProtocol='tcp',
FromPort='80',
ToPort='80',
CidrIp='0.0.0.0/0')
]))
# Metadata to install Apache
ec2_metadata = Metadata(
Init({
'config':
InitConfig(
packages={'yum': {
'httpd': []
}},
files=InitFiles({
'/var/www/html/index.html':
InitFile(
content=
'<html><body><h2>Automation for the People!</h2></body></html>',
mode='000644',
owner='root',
group='root')
}),
services={
'sysvinit':
InitServices({
'httpd':
InitService(enabled=True, ensureRunning=True)
})
})
}))
# EC2 Instance
ec2 = mini_template.add_resource(
Instance('Ec2Instance',
ImageId=FindInMap('AWSRegionArch2AMI', Ref('AWS::Region'),
'HVM64'),
Metadata=ec2_metadata,
InstanceType=Ref(instance_type),
KeyName=keyPair,
SecurityGroupIds=[
Ref(web_security_group),
],
SubnetId=Ref(subnet),
Tags=Tags(Name=stack_name + '-ec2', Project=stack_name),
CreationPolicy=CreationPolicy(ResourceSignal=ResourceSignal(
Timeout='PT15M')),
UserData=Base64(
Join('', [
'#!/bin/bash -x\n',
'yum update -y\n',
'yum update -y aws-cfn-bootstrap\n',
'/opt/aws/bin/cfn-init -v ',
' --stack ',
Ref('AWS::StackName'),
' --resource Ec2Instance ',
' --region ',
Ref('AWS::Region'),
'\n',
'/opt/aws/bin/cfn-signal -e $? ',
' --stack ',
Ref('AWS::StackName'),
' --resource Ec2Instance ',
' --region ',
Ref('AWS::Region'),
'\n',
]))))
### Outputs ###
# Output the Public DNS address for the EC2 instance
mini_template.add_output(
Output('URL',
Description='HTTP Server URL',
Value=Join('',
['http://',
GetAtt('Ec2Instance', 'PublicDnsName')])))
print 'CloudFormation template build is completed.'
return mini_template
def main():
'''Function: Generates the Cloudformation template'''
template = Template()
template.add_description("A target server for CI/CD tests.")
keyname_param = template.add_parameter(
Parameter(
'KeyName',
Description='An existing EC2 KeyPair.',
ConstraintDescription='An existing EC2 KeyPair.',
Type='AWS::EC2::KeyPair::KeyName',
))
template.add_mapping(
'RegionMap', {
'ap-south-1': {
'ami': 'ami-0dba8796fe499ae48'
},
'eu-west-3': {
'ami': 'ami-07b2287c6776361c8'
},
'eu-north-1': {
'ami': 'ami-34c14f4a'
},
'eu-west-2': {
'ami': 'ami-0573b1dbbd809d6c3'
},
'eu-west-1': {
'ami': 'ami-001b0e20a92d8db1e'
},
'ap-northeast-2': {
'ami': 'ami-0dc961dd0c2c83bdd'
},
'ap-northeast-1': {
'ami': 'ami-0f2c38ac2e37197be'
},
'sa-east-1': {
'ami': 'ami-04ab6be036f8635bd'
},
'ca-central-1': {
'ami': 'ami-0de195e1958cc0d52'
},
'ap-southeast-1': {
'ami': 'ami-08540b8d2f7fa85a5'
},
'ap-southeast-2': {
'ami': 'ami-0bbcf853aaf6ca4a6'
},
'eu-central-1': {
'ami': 'ami-0332a5c40cf835528'
},
'us-east-1': {
'ami': 'ami-0edd3706ab2e952c4'
},
'us-east-2': {
'ami': 'ami-050553a7784d00d21'
},
'us-west-1': {
'ami': 'ami-065ebd3e6b63c75d5'
},
'us-west-2': {
'ami': 'ami-00f13b45242aff065'
}
})
ec2_security_group = template.add_resource(
ec2.SecurityGroup(
'EC2SecurityGroup',
Tags=[
{
'Key': 'Name',
'Value': Ref('AWS::StackName')
},
],
GroupDescription='EC2 Security Group',
SecurityGroupIngress=[
ec2.SecurityGroupRule(IpProtocol='tcp',
FromPort='22',
ToPort='22',
CidrIp='0.0.0.0/0',
Description='SSH'),
ec2.SecurityGroupRule(IpProtocol='tcp',
FromPort='80',
ToPort='80',
CidrIp='0.0.0.0/0',
Description='HTTP'),
ec2.SecurityGroupRule(IpProtocol='tcp',
FromPort='443',
ToPort='443',
CidrIp='0.0.0.0/0',
Description='HTTPS'),
],
))
ec2_instance = template.add_resource(
ec2.Instance(
'Instance',
Metadata=Metadata(
Init({
"config":
InitConfig(files=InitFiles({
"/tmp/instance.txt":
InitFile(content=Ref('AWS::StackName'),
mode="000644",
owner="root",
group="root")
}), )
}), ),
CreationPolicy=CreationPolicy(ResourceSignal=ResourceSignal(
Timeout='PT15M')),
Tags=[
{
'Key': 'Name',
'Value': Ref('AWS::StackName')
},
],
ImageId=FindInMap('RegionMap', Ref('AWS::Region'), 'ami'),
InstanceType='t2.micro',
KeyName=Ref(keyname_param),
SecurityGroups=[Ref(ec2_security_group)],
UserData=Base64(
Join('', [
'#!/bin/bash -x\n',
'exec > /tmp/user-data.log 2>&1\n',
'unset UCF_FORCE_CONFFOLD\n',
'export UCF_FORCE_CONFFNEW=YES\n',
'ucf --purge /boot/grub/menu.lst\n',
'export DEBIAN_FRONTEND=noninteractive\n',
'apt-get update\n',
'apt-get -o Dpkg::Options::="--force-confnew" --force-yes -fuy upgrade\n',
'apt-get install -y nginx supervisor build-essential libssl-dev libffi-dev python-pip python3-pip python3-dev python3-setuptools python3-venv\n',
'pip install https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz\n',
'# Signal Cloudformation when set up is complete\n',
'/usr/local/bin/cfn-signal -e $? --resource=Instance --region=',
Ref('AWS::Region'),
' --stack=',
Ref('AWS::StackName'),
'\n',
]))))
template.add_output([
Output(
'InstanceDnsName',
Description='PublicDnsName',
Value=GetAtt(ec2_instance, 'PublicDnsName'),
),
])
print(template.to_yaml())
"config": InitConfig(
packages={"yum": {"httpd": []}},
files=InitFiles(
{
"/var/www/html/index.html": InitFile(
content=Join(
"\n",
[
'<img \
src="https://s3.amazonaws.com/cloudformation-examples/\
cloudformation_graphic.png" alt="AWS CloudFormation Logo"/>',
"<h1>\
Congratulations, you have successfully launched the AWS CloudFormation sample.\
</h1>",
],
),
mode="000644",
owner="root",
group="root",
),
"/etc/cfn/cfn-hup.conf": InitFile(
content=Join(
"",
[
"[main]\n",
"stack=",
ref_stack_id,
"\n",
"region=",
ref_region,
"\n",
],
),
mode="000400",
owner="root",
group="root",
),
"/etc/cfn/hooks.d/cfn-auto-reloader.conf": InitFile(
content=Join(
"",
[
"[cfn-auto-reloader-hook]\n",
"triggers=post.update\n",
"path=Resources.WebServerInstance.\
Metadata.AWS::CloudFormation::Init\n",
"action=/opt/aws/bin/cfn-init -v ",
" --stack ",
ref_stack_name,
" --resource WebServerInstance ",
" --region ",
ref_region,
"\n",
"runas=root\n",
],
)
),
}
),
services={
"sysvinit": InitServices(
{
"httpd": InitService(enabled=True, ensureRunning=True),
"cfn-hup": InitService(
enabled=True,
ensureRunning=True,
files=[
"/etc/cfn/cfn-hup.conf",
"/etc/cfn/hooks.d/cfn-auto-reloader.conf",
],
),
}
)
},
)
"config": InitConfig(
files=InitFiles(
{
"/etc/cfn/cfn-hup.conf": InitFile(
content=Join(
"",
[
"[main]\n",
"stack=",
Ref("AWS::StackId"), # NOQA
"\n",
"region=",
Ref("AWS::Region"),
"\n",
],
), # NOQA
mode="000400",
owner="root",
group="root",
),
"/etc/cfn/hooks.d/cfn-auto-reloader.conf": InitFile(
content=Join(
"",
[
"[cfn-auto-reloader-hook]\n",
"triggers=post.update\n",
"path=Resources.ContainerInstances.Metadata.AWS::CloudFormation::Init\n", # NOQA
"action=/opt/aws/bin/cfn-init -v ",
"--stack ",
Ref("AWS::StackName"), # NOQA
" --resource ContainerInstances ",
" --region ",
Ref("AWS::Region"),
"\n", # NOQA
"runas=root\n",
],
),
mode="000400",
owner="root",
group="root",
),
},
),
services=InitServices(
{
"cfn-hup": InitService(
ensureRunning="true",
enabled="true",
files=[
"/etc/cfn/cfn-hup.conf",
"/etc/cfn/hooks.d/cfn-auto-reloader.conf",
],
)
}
),
commands={
"01_add_instance_to_cluster": {
"command": Join(
"",
[
"#!/bin/bash\n", # NOQA
"echo ECS_CLUSTER=", # NOQA
Ref("ECSCluster"), # NOQA
" >> /etc/ecs/ecs.config",
],
)
}, # NOQA
"02_install_ssm_agent": {
"command": Join(
"",
[
"#!/bin/bash\n",
"yum -y update\n", # NOQA
"curl https://amazon-ssm-eu-west-1.s3.amazonaws.com/latest/linux_amd64/amazon-ssm-agent.rpm -o amazon-ssm-agent.rpm\n", # NOQA
"yum install -y amazon-ssm-agent.rpm", # NOQA
],
)
},
},
)
def main():
'''Function: Generates the Cloudformation template'''
template = Template()
keyname_param = template.add_parameter(
Parameter(
'KeyName',
Description='Name of an existing EC2 KeyPair for SSH access',
ConstraintDescription='must be the name of an existing EC2 KeyPair.',
Type='AWS::EC2::KeyPair::KeyName',
)
)
password_param = template.add_parameter(
Parameter(
'PassWord',
Type='String',
NoEcho=True,
MinLength=8,
MaxLength=64,
Description='Password for the admin account',
ConstraintDescription='A complex password at least eight chars long with alphanumeric characters, dashes and underscores.',
AllowedPattern="[-_a-zA-Z0-9]*",
)
)
ec2_security_group = template.add_resource(
ec2.SecurityGroup(
'SecurityGroup',
GroupDescription='SSH, HTTP/HTTPS open for 0.0.0.0/0',
SecurityGroupIngress=[
ec2.SecurityGroupRule(
IpProtocol='tcp',
FromPort='22',
ToPort='22',
CidrIp='0.0.0.0/0'),
ec2.SecurityGroupRule(
IpProtocol='tcp',
FromPort='80',
ToPort='80',
CidrIp='0.0.0.0/0'),
],
)
)
ec2_instance = template.add_resource(
ec2.Instance(
'Instance',
Metadata=Metadata(
Init({
"config": InitConfig(
files=InitFiles({
"/etc/nginx/conf.d/app.conf": InitFile(
content='server { listen 80 default_server; listen [::]:80 default_server; location / { proxy_pass http://localhost:8080; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; } }',
mode="000644",
owner="root",
group="root"
)
}),
)
}),
),
CreationPolicy=CreationPolicy(
ResourceSignal=ResourceSignal(
Timeout='PT15M')),
Tags=[{'Key':'Name', 'Value':'Simple Stack Instance {}'.format(time.strftime('%c'))},],
ImageId='ami-39c28c41',
InstanceType='t2.micro',
KeyName=Ref(keyname_param),
SecurityGroups=[Ref(ec2_security_group)],
UserData=Base64(
Join(
'',
[
'#!/bin/bash -x\n',
'exec > /tmp/user-data.log 2>&1\n'
'apt-get update\n',
'apt-get install -y python-pip\n',
'pip install https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz\n',
'apt-get install -y nginx\n',
'apt-get install -y openjdk-8-jdk\n',
'/usr/local/bin/cfn-init --verbose --resource=Instance --region=', Ref('AWS::Region'), ' --stack=', Ref('AWS::StackName'), '\n',
'unlink /etc/nginx/sites-enabled/default\n'
'systemctl reload nginx\n',
'/usr/local/bin/cfn-signal -e 0 --resource Instance --region us-west-2 --stack simple\n',
]
)
)
)
)
template.add_output([
Output(
'PublicDnsName',
Description='PublicDnsName',
Value=GetAtt(ec2_instance, 'PublicDnsName'),
),
])
print(template.to_yaml())
InitConfig(
commands={'update_yum_packages': {
'command': 'yum update -y'
}},
files=InitFiles({
# setup .bashrc ec2-user
'/home/ec2-user/.bashrc':
InitFile(content=Join(
'',
['export PATH="/home/ec2-user/miniconda/bin:$PATH"\n']),
owner='ec2-user',
mode='000400',
group='ec2-user'),
# setup .bashrc root
'/root/.bashrc':
InitFile(content=Join('', [
'export PATH="/home/ec2-user/miniconda/bin:$PATH"\n'
f'export STREAM_NAME="{STREAM_NAME}"\n',
f'export PRODUCER_NAME="{SERVER_NAME}"\n',
f'export TWITTER_KEYWORDS="{TWITTER_KEYWORDS}"\n',
'export ENV="production"\n'
]),
owner='root',
mode='000400',
group='root'),
# configure cfn-hup
'/etc/cfn/cfn-hup.conf':
InitFile(content=Join('', [
'[main]\n',
'stack=',
Ref('AWS::StackId'),
'\n',
'region=',
Ref('AWS::Region'),
'\n',
'interval=2',
'\n',
]),
mode='000400',
owner='root',
group='root'),
# setup cfn-auto-reloader
'/etc/cfn/hooks.d/cfn-auto-reloader.conf':
InitFile(content=Join('', [
'[cfn-auto-reloader-hook]\n',
'triggers=post.update\n',
f'path=Resources.{SERVER_NAME}.Metadata.AWS::CloudFormation::Init\n',
'action=/opt/aws/bin/cfn-init -v',
' --stack ',
Ref('AWS::StackId'),
f' --resource {SERVER_NAME}',
' --region ',
Ref('AWS::Region'),
'\n'
'runas=root\n',
]))
}),
services={
'sysvinit':
InitServices({
'cfn-hup':
InitService(enabled=True,
ensureRunning=True,
files=[
'/etc/cfn/cfn-hup.conf',
'/etc/cfn/hooks.d/cfn-auto-reloader.conf'
])
})
})
InitConfig(
files=InitFiles(
{
'/etc/cfn/cfn-hup.conf':
InitFile(
content=Join(
'',
[
'[main]\n',
'stack=',
Ref('AWS::StackId'), # NOQA
'\n',
'region=',
Ref('AWS::Region'),
'\n'
]), # NOQA
mode='000400',
owner='root',
group='root'),
'/etc/cfn/hooks.d/cfn-auto-reloader.conf':
InitFile(
content=Join(
'',
[
'[cfn-auto-reloader-hook]\n',
'triggers=post.update\n',
'path=Resources.ContainerInstances.Metadata.AWS::CloudFormation::Init\n', # NOQA
'action=/opt/aws/bin/cfn-init -v ',
'--stack ',
Ref( # NOQA
'AWS::StackName'),
' --resource ContainerInstances ',
' --region ',
Ref('AWS::Region'),
'\n', # NOQA
'runas=root\n'
]),
mode='000400',
owner='root',
group='root')
}, ),
services=InitServices({
'cfn-hup':
InitService(
ensureRunning='true',
enabled='true',
files=[
'/etc/cfn/cfn-hup.conf',
'/etc/cfn/hooks.d/cfn-auto-reloader.conf'
])
}),
commands={
'01_add_instance_to_cluster': {
'command':
Join(
'',
[
'#!/bin/bash\n', # NOQA
'echo ECS_CLUSTER=', # NOQA
Ref('ECSCluster'), # NOQA
' >> /etc/ecs/ecs.config'
])
}, # NOQA
'02_install_ssm_agent': {
'command':
Join(
'',
[
'#!/bin/bash\n',
'yum -y update\n', # NOQA
'curl https://amazon-ssm-eu-west-1.s3.amazonaws.com/latest/linux_amd64/amazon-ssm-agent.rpm -o amazon-ssm-agent.rpm\n', # NOQA
'yum install -y amazon-ssm-agent.rpm' # NOQA
])
}
})
def main():
'''Function: Generates the Cloudformation template'''
template = Template()
template.set_description("Server Stack")
keyname_param = template.add_parameter(
Parameter(
'KeyName',
Description='An existing EC2 KeyPair.',
ConstraintDescription='An existing EC2 KeyPair.',
Type='AWS::EC2::KeyPair::KeyName',
)
)
template.add_mapping('RegionMap', {'eu-north-1': {'ami': 'ami-a536bedb'}, 'ap-south-1': {'ami': 'ami-00b2a5e29f669c903'}, 'eu-west-3': {'ami': 'ami-0d8581d2794d7df68'}, 'eu-west-2': {'ami': 'ami-02369579484abae2e'}, 'eu-west-1': {'ami': 'ami-0c17a2bccea3e36f9'}, 'ap-northeast-2': {'ami': 'ami-05daa9d0230f30d79'}, 'ap-northeast-1': {'ami': 'ami-03a90fe15b63befea'}, 'sa-east-1': {'ami': 'ami-0c04bf4cfbf3e9dbe'}, 'ca-central-1': {'ami': 'ami-013d2a414e834a144'}, 'ap-southeast-1': {'ami': 'ami-07ed1f021e2eea7cb'}, 'ap-southeast-2': {'ami': 'ami-068e6346d66ed62c8'}, 'eu-central-1': {'ami': 'ami-00aa61be0e9a8f948'}, 'us-east-1': {'ami': 'ami-0dd925351e231e8c7'}, 'us-east-2': {'ami': 'ami-06cb7cbcc0e8e90e8'}, 'us-west-1': {'ami': 'ami-0d8e4e7b60cd5f225'}, 'us-west-2': {'ami': 'ami-06ad92f74f2c20787'}})
ec2_security_group = template.add_resource(
ec2.SecurityGroup(
'EC2SecurityGroup',
Tags=[{'Key':'Name', 'Value':Ref('AWS::StackName')},],
GroupDescription='EC2 Security Group',
SecurityGroupIngress=[
ec2.SecurityGroupRule(
IpProtocol='tcp',
FromPort='22',
ToPort='22',
CidrIp='0.0.0.0/0',
Description='SSH'),
ec2.SecurityGroupRule(
IpProtocol='tcp',
FromPort='80',
ToPort='80',
CidrIp='0.0.0.0/0',
Description='HTTP'),
ec2.SecurityGroupRule(
IpProtocol='tcp',
FromPort='443',
ToPort='443',
CidrIp='0.0.0.0/0',
Description='HTTPS'),
],
)
)
ec2_instance = template.add_resource(
ec2.Instance(
'Instance',
Metadata=Metadata(
Init({
"config": InitConfig(
files=InitFiles({
"/tmp/instance.txt": InitFile(
content=Ref('AWS::StackName'),
mode="000644",
owner="root",
group="root"
)
}),
)
}),
),
CreationPolicy=CreationPolicy(
ResourceSignal=ResourceSignal(Timeout='PT15M')
),
Tags=[{'Key':'Name', 'Value':Ref('AWS::StackName')},],
ImageId=FindInMap('RegionMap', Ref('AWS::Region'), 'ami'),
InstanceType='t2.2xlarge',
KeyName=Ref(keyname_param),
SecurityGroups=[Ref(ec2_security_group)],
UserData=Base64(
Join(
'',
[
'#!/bin/bash -x\n',
'exec > /tmp/user-data.log 2>&1\n',
'unset UCF_FORCE_CONFFOLD\n',
'export UCF_FORCE_CONFFNEW=YES\n',
'ucf --purge /boot/grub/menu.lst\n',
'export DEBIAN_FRONTEND=noninteractive\n',
'apt-get update\n',
'apt-get -o Dpkg::Options::="--force-confnew" --force-yes -fuy upgrade\n',
'apt-get install -y python-pip\n',
'pip install https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz\n',
'# Signal Cloudformation when set up is complete\n',
'/usr/local/bin/cfn-signal -e $? --resource=Instance --region=', Ref('AWS::Region'), ' --stack=', Ref('AWS::StackName'), '\n',
]
)
)
)
)
template.add_resource(
ec2.EIP(
'ElasticIP',
InstanceId=Ref(ec2_instance),
Domain='vpc'
)
)
template.add_output([
Output(
'InstanceDnsName',
Description='PublicDnsName',
Value=GetAtt(ec2_instance, 'PublicDnsName'),
),
])
print(template.to_yaml())
InitConfig(
commands={
'update_yum_packages': {
'command': 'yum update -y'
},
'download_miniconda': {
'command':
'su - ec2-user -c "wget http://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O /home/ec2-user/miniconda.sh"',
},
'install_miniconda': {
'command':
'su - ec2-user -c "bash /home/ec2-user/miniconda.sh -b -p /home/ec2-user/miniconda"',
},
'remove_installer': {
'command': 'rm -rf /home/ec2-user/miniconda.sh',
}
},
files=InitFiles({
# setup .bashrc
'/home/ec2-user/.ssh/authorized_keys':
InitFile(content=Join('', [
'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCjKxODWLSrmQAemYnpvYchmy7bwWvIKNWpHtfRiD7UKqnUV0euoFWIr9j+OwiNyMp/iopZQh7A8c+B4TYI8pd///J7ZWPSipndJkWc4HrnU37X66mKInGYIaPZAfek69eeUkl5cekqkEd6l6WsBUlrjPvMYtyGdDtd42M+aNQoy1TWq2C/6x0gBQaY/CUvHFBrMHr5ObhZvN7ou6PSyBCGgQxFf5jmnwSzeBRc/iWxMBltM/SQSTAgyKWdolcgBNTOTre5z8R8FCv/CIsfLoqUFuWthrT3YfpG1iOWlL3GBm8XxXlgrmvMUhV1qvcO/1no6ZeSp8VQMiTYkvAOQ7Hd\n'
]),
owner='ec2-user',
mode='000400',
group='ec2-user'),
# setup .bashrc
'/home/ec2-user/.bashrc':
InitFile(content=Join(
'',
['export PATH="/home/ec2-user/miniconda/bin:$PATH"\n']),
owner='ec2-user',
mode='000400',
group='ec2-user'),
# configure cfn-hup
'/etc/cfn/cfn-hup.conf':
InitFile(content=Join('', [
'[main]\n',
'stack=',
Ref('AWS::StackId'),
'\n',
'region=',
Ref('AWS::Region'),
'\n',
'interval=2',
'\n',
]),
mode='000400',
owner='root',
group='root'),
# setup cfn-auto-reloader
'/etc/cfn/hooks.d/cfn-auto-reloader.conf':
InitFile(content=Join('', [
'[cfn-auto-reloader-hook]\n',
'triggers=post.update\n',
'path=Resources.Bastion.Metadata.AWS::CloudFormation::Init\n',
'action=/opt/aws/bin/cfn-init -v',
' --stack ',
Ref('AWS::StackId'),
' --resource Bastion',
' --region ',
Ref('AWS::Region'),
'\n'
'runas=root\n',
]))
}),
services={
'sysvinit':
InitServices({
'cfn-hup':
InitService(enabled=True,
ensureRunning=True,
files=[
'/etc/cfn/cfn-hup.conf',
'/etc/cfn/hooks.d/cfn-auto-reloader.conf'
])
})
})
IamInstanceProfile=Ref(netkan_profile),
KeyName='techman83_alucard',
SecurityGroups=['ckan-bot'],
UserData=Base64(netkan_userdata),
# t3 instances are unlimited by default
CreditSpecification=CreditSpecification(CPUCredits='standard'),
Tags=[
Tag(Key='Name', Value='NetKAN Indexer'),
Tag(Key='Service', Value='Indexer'),
],
Metadata=Metadata(
Init({
'config':
InitConfig(
files=InitFiles({
'/etc/cfn/cfn-hup.conf': cfn_hup,
'/etc/cfn/hooks.d/cfn-auto-reloader.conf': reloader,
'/etc/docker/daemon.json': docker,
})),
'services': {
'sysvinit': {
'cfn': cfn_service,
'docker': docker_service,
}
},
})),
BlockDeviceMappings=[
BlockDeviceMapping(DeviceName='/dev/xvdh',
Ebs=EBSBlockDevice(
VolumeSize='50',
VolumeType='standard',
))
template.add_resource(target_group)
template.add_resource(listener)
# Setup the ASG & launch config
launch_config = LaunchConfiguration(
"LaunchConfig",
ImageId=image_id,
IamInstanceProfile=Ref(example_instance_profile),
InstanceType=instance_type,
Metadata=Metadata(
Init({
'config':
InitConfig(
commands={
"01_run_container": {
"command":
"docker run -d -p 80:8000 --name whoami -t jwilder/whoami"
}
})
})),
SecurityGroups=[Ref(ec2_security_group)])
auto_scale_group = AutoScalingGroup(
"AutoscaleGroup",
MinSize=autoscaling_min,
MaxSize=autoscaling_max,
DesiredCapacity=autoscaling_desired,
LaunchConfigurationName=Ref(launch_config),
TargetGroupARNs=[GetAtt(target_group, "LoadBalancerArns")],
VPCZoneIdentifier=subnet_ids)
template.add_resource(launch_config)
template.add_resource(auto_scale_group)
'config': InitConfig(
packages={'yum': {'httpd': []}},
commands={
'copytest': {'command': 'cp /home/ec2-user/test.txt /var/www/html/'}
},
files=InitFiles({
'/etc/cfn/cfn-hup.conf': InitFile(content=Join('',
['[main]\n',
'stack=',
ref_stack_id,
'\n',
'region=',
ref_region,
'\n',
]),
mode='000400',
owner='root',
group='root'),
'/etc/cfn/hooks.d/cfn-auto-reloader.conf': InitFile(
content=Join('',
['[cfn-auto-reloader-hook]\n',
'triggers=post.update\n',
'path=Resources.WebServerInstance.\
Metadata.AWS::CloudFormation::Init\n',
'action=/opt/aws/bin/cfn-init -v ',
' --stack ',
ref_stack_name,
' --resource WebServerInstance ',
' --region ',
ref_region,
'\n',
'runas=root\n',
]))}),
services={
'sysvinit': InitServices({
'httpd': InitService(
enabled=True,
ensureRunning=True),
'cfn-hup': InitService(
enabled=True,
ensureRunning=True,
files=[
'/etc/cfn/cfn-hup.conf',
'/etc/cfn/hooks.d/cfn-auto-reloader.conf'
])})})}))
def test_using_load_balancer(self):
test_stack_name = "TestALB"
init_cf_env(test_stack_name)
###
t = Template()
load_balancer_sg = ts_add_security_group(
t, name="LoadBalancerSecurityGroup")
instance_sg = ts_add_security_group(t)
load_balancer = t.add_resource(
LoadBalancer(
"MyLoadBalancer",
SecurityGroups=[Ref(load_balancer_sg)],
# The ALB is publicly accessible.
# (use `internal` instead of `internet-facing` to define a load balancer reachable from private network only)
Scheme='internet-facing',
Subnets=[get_subnet(index=0),
get_subnet(index=1)
], # Attaches the ALB to the subnets
Type='application'))
target_group = t.add_resource(
TargetGroup(
"MyTargetGroup",
HealthCheckIntervalSeconds=10,
HealthCheckProtocol='HTTP',
HealthCheckPath='/index.html',
HealthCheckTimeoutSeconds=5,
HealthyThresholdCount=3,
UnhealthyThresholdCount=2,
Matcher=Matcher(
HttpCode='200-299'
), # If HTTP status code is 2XX, the backend is considered healthy.
Port=
80, # The web server on the EC2 instances listens on port 80.
Protocol='HTTP',
VpcId=get_default_vpc(),
))
listener = t.add_resource(
Listener(
"MyListener",
LoadBalancerArn=Ref(load_balancer),
Port=80,
Protocol=
'HTTP', # The load balancer listens on port 80 for HTTP requests.
DefaultActions=[
Action(
Type='forward',
# TargetGroupARN is the connection between the ALB and the auto-scaling group
TargetGroupArn=Ref(target_group),
)
]))
launch_config = t.add_resource(
LaunchConfiguration(
"MyLaunchConfiguration",
ImageId=get_linux2_image_id(),
InstanceType='m4.xlarge',
KeyName=KEY,
SecurityGroups=[Ref(instance_sg)],
AssociatePublicIpAddress=True,
InstanceMonitoring=False,
UserData=Base64(
Join('', [
'#!/bin/bash -xe\n',
'/opt/aws/bin/cfn-init -v --stack ',
Ref('AWS::StackName'),
' --resource MyLaunchConfiguration ',
' --region ',
Ref('AWS::Region'), '\n'
])),
Metadata=Metadata(
Init({
'config':
InitConfig(
packages={'yum': {
'httpd': []
}},
files={
'/tmp/config': {
'content':
Join('\n', [
'#!/bin/bash -ex',
'PRIVATE_IP=`curl -s http://169.254.169.254/latest/meta-data/local-ipv4`',
'echo "$PRIVATE_IP" > index.html',
]),
'mode':
'000500',
'owner':
'root',
'group':
'root',
}
},
commands={
'01_config': {
'command': "/tmp/config",
'cwd': '/var/www/html'
}
},
services={
'sysvinit': {
'httpd': {
'enabled': True,
'ensureRunning': True
}
}
})
}))))
auto_scaling_group = t.add_resource(
AutoScalingGroup(
"MyAutoScalingGroup",
LaunchConfigurationName=Ref(launch_config),
DesiredCapacity=2,
MinSize=2,
MaxSize=2,
VPCZoneIdentifier=[get_subnet(index=0),
get_subnet(index=1)],
TargetGroupARNs=[
Ref(target_group)
], # Registers new EC2 instances with the default target group.
Tags=[
Tag(
"Name", test_stack_name, True
) # 'True' means: Attaches the same tags to the virtual machine started by this auto-scaling group
]))
t.add_output([
Output("URL", Value=Sub('http://${MyLoadBalancer.DNSName}')),
])
dump_template(t, True)
create_stack(test_stack_name, t)
outputs = get_stack_outputs(test_stack_name)
lb_url = get_output_value(outputs, 'URL')
private_ips = set()
for i in range(10):
private_ips.add(run(f'curl {lb_url}', True))
self.assertEqual(len(private_ips), 2)
def create_env(name, overrides, key_name, region, vpc_id, build, internal_domain, base_stack=None):
t = Template()
t.add_description("""\
microservices stack""")
overrides = json.loads(overrides) if overrides else {}
# creating private hosted zone (dns)
hosted_zone = create_private_dns(t, internal_domain, vpc_id, region)
# creating codecommit repo (if not exists)
codecommit = boto3.client('codecommit', region_name=region)
try:
repo_res = codecommit.get_repository(
repositoryName=name
)
except botocore.exceptions.ClientError as e:
if e.response['Error']['Code'] == 'RepositoryDoesNotExistException':
repo_res = None
new_repo = repo_res is not None
if not repo_res:
repo_res = codecommit.create_repository(
repositoryName=name
)
repo = repo_res['repositoryMetadata']['cloneUrlSsh']
# creating config service
role_profile = create_ec2_instance_role(t, 'configserver')
instance_info = get_instance_info('configserver', build, 't2.micro', role_profile['profile'], region,
base_stack, overrides)
commands = {
"setappenvs": {
"command": "echo \"\nspring.cloud.config.server.git.uri={}\n\" >> /home/ubuntu/application.properties".format(repo)
}
}
if new_repo:
# restarting the git repo with values for app\default (required for config service health)
commands["initgit"] = {
"command": "git init && git remote add origin {} && git add . && git commit -m \"init\" && git push origin master".format(repo),
"cwd": "/home/ubuntu/gitinit"
}
metadata = Metadata(
Init({
"config": InitConfig(
commands=commands
)
}),
)
config_service = create_microservice_asg_with_elb(
t,
instance_info['ami'],
key_name,
instance_info['profile'],
instance_info['instanceType'],
'configserver',
vpc_id,
elb_port=8888,
instance_port=8888,
region=region,
min_size=2,
max_size=2,
metadata=metadata
)
create_private_dns_elb(t, internal_domain, 'config-service', config_service['elb']['name'], 'DnsRecordConfig')
# creating eureaka service
# creating avatars service
'''
avatars_service = create_microservice_asg_with_elb(
t,
services['avatars']['ami'],
key_name,
services['avatars']['profile'],
services['avatars']['instance_type'],
'AvatarsService',
vpc_id,
region=region,
min_size=2,
max_size=2,
depends_on=config_service['asg']
)
'''
return t
def main():
'''Function: Generates the Cloudformation template'''
template = Template()
keyname_param = template.add_parameter(
Parameter(
'KeyName',
Description='Name of an existing EC2 KeyPair for SSH access',
ConstraintDescription='Must be the name of an existing EC2 KeyPair.',
Type='AWS::EC2::KeyPair::KeyName',
)
)
password_param = template.add_parameter(
Parameter(
'PassWord',
Type='String',
NoEcho=True,
MinLength=8,
MaxLength=64,
Description='Password for the admin account',
ConstraintDescription='A complex password at least eight chars long with alphanumeric characters, dashes and underscores.',
AllowedPattern="[-_a-zA-Z0-9]*",
)
)
template.add_mapping('RegionMap', {'ap-south-1': {'ami': 'ami-ee8ea481'}, 'eu-west-3': {'ami': 'ami-daf040a7'}, 'eu-west-2': {'ami': 'ami-ddb950ba'}, 'eu-west-1': {'ami': 'ami-d2414e38'}, 'ap-northeast-2': {'ami': 'ami-65d86d0b'}, 'ap-northeast-1': {'ami': 'ami-e875a197'}, 'sa-east-1': {'ami': 'ami-ccd48ea0'}, 'ca-central-1': {'ami': 'ami-c3e567a7'}, 'ap-southeast-1': {'ami': 'ami-31e7e44d'}, 'ap-southeast-2': {'ami': 'ami-23c51c41'}, 'eu-central-1': {'ami': 'ami-3c635cd7'}, 'us-east-1': {'ami': 'ami-5cc39523'}, 'us-east-2': {'ami': 'ami-67142d02'}, 'us-west-1': {'ami': 'ami-d7b355b4'}, 'us-west-2': {'ami': 'ami-39c28c41'}})
ec2_security_group = template.add_resource(
ec2.SecurityGroup(
'SecurityGroup',
GroupDescription='SSH, HTTP/HTTPS open for 0.0.0.0/0',
SecurityGroupIngress=[
ec2.SecurityGroupRule(
IpProtocol='tcp',
FromPort='22',
ToPort='22',
CidrIp='0.0.0.0/0'),
ec2.SecurityGroupRule(
IpProtocol='tcp',
FromPort='80',
ToPort='80',
CidrIp='0.0.0.0/0'),
ec2.SecurityGroupRule(
IpProtocol='tcp',
FromPort='443',
ToPort='443',
CidrIp='0.0.0.0/0'),
],
)
)
ec2_role = template.add_resource(
Role('EC2Role',
AssumeRolePolicyDocument={ "Version" : "2012-10-17", "Statement": [ { "Effect": "Allow", "Principal": { "Service": [ "ec2.amazonaws.com" ] }, "Action": [ "sts:AssumeRole" ] } ] },
)
)
ec2_policy = template.add_resource(
ManagedPolicy(
'EC2Policy',
PolicyDocument={ "Version": "2012-10-17", "Statement": [ { "Action": "ec2:*", "Resource": "*", "Effect": "Allow" } ] }, Roles=[Ref(ec2_role)]
)
)
ec2_profile = template.add_resource(
InstanceProfile("EC2InstanceProfile", Roles=[Ref(ec2_role)])
)
ec2_instance = template.add_resource(
ec2.Instance(
'Instance',
Metadata=Metadata(
Init({
"config": InitConfig(
files=InitFiles({
"/etc/nginx/conf.d/jenkins.conf": InitFile(
content='server { listen 80 default_server; listen [::]:80 default_server; location / { proxy_pass http://localhost:8080; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; } }',
mode="000644",
owner="root",
group="root"
)
}),
)
}),
),
CreationPolicy=CreationPolicy(
ResourceSignal=ResourceSignal(Timeout='PT15M')
),
ImageId=FindInMap('RegionMap', Ref('AWS::Region'), 'ami'),
InstanceType='t2.micro',
IamInstanceProfile=Ref(ec2_profile),
KeyName=Ref(keyname_param),
SecurityGroups=[Ref(ec2_security_group)],
UserData=Base64(
Join(
'',
[
'#!/bin/bash -x\n',
'exec > /tmp/user-data.log 2>&1\n'
'unset UCF_FORCE_CONFFOLD\n',
'export UCF_FORCE_CONFFNEW=YES\n',
'ucf --purge /boot/grub/menu.lst\n',
'export DEBIAN_FRONTEND=noninteractive\n',
'echo "deb http://pkg.jenkins-ci.org/debian binary/" > /etc/apt/sources.list.d/jenkins.list\n',
'wget -q -O jenkins-ci.org.key http://pkg.jenkins-ci.org/debian-stable/jenkins-ci.org.key\n'
'apt-key add jenkins-ci.org.key\n',
'apt-get update\n',
'apt-get -o Dpkg::Options::="--force-confnew" --force-yes -fuy upgrade\n',
'apt-get install -y python-pip\n',
'pip install https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz\n',
'apt-get install -y nginx\n',
'apt-get install -y openjdk-8-jdk\n',
'apt-get install -y jenkins\n',
'# Wait for Jenkins to Set Up\n'
"until [ $(curl -o /dev/null --silent --head --write-out '%{http_code}\n' http://localhost:8080) -eq 403 ]; do sleep 1; done\n",
'sleep 10\n',
'# Change the password for the admin account\n',
"echo 'jenkins.model.Jenkins.instance.securityRealm.createAccount(\"admin\", \"",Ref(password_param),"\")' | java -jar /var/cache/jenkins/war/WEB-INF/jenkins-cli.jar -s \"http://localhost:8080/\" -auth \"admin:$(cat /var/lib/jenkins/secrets/initialAdminPassword)\" groovy =\n",
'/usr/local/bin/cfn-init --resource=Instance --region=', Ref('AWS::Region'), ' --stack=', Ref('AWS::StackName'), '\n',
'unlink /etc/nginx/sites-enabled/default\n',
'systemctl reload nginx\n',
'/usr/local/bin/cfn-signal -e $? --resource=Instance --region=', Ref('AWS::Region'),
' --stack=', Ref('AWS::StackName'), '\n',
]
)
)
)
)
template.add_output([
Output(
'PublicDnsName',
Description='PublicDnsName',
Value=Join('',['http://', GetAtt(ec2_instance, 'PublicDnsName'),])
),
])
print(template.to_yaml())
Init({'config': InitConfig(
commands={
'update_yum_packages': {
'command': 'yum update -y'
},
'download_miniconda': {
'command': 'su - ec2-user -c "wget http://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O /home/ec2-user/miniconda.sh"',
},
'install_miniconda': {
'command': 'su - ec2-user -c "bash /home/ec2-user/miniconda.sh -b -p /home/ec2-user/miniconda"',
},
'remove_installer': {
'command': 'rm -rf /home/ec2-user/miniconda.sh',
}
},
files=InitFiles({
# setup .bashrc
'/home/ec2-user/.bashrc': InitFile(
content=Join('', [
'export PATH="/home/ec2-user/miniconda/bin:$PATH"\n'
]),
owner='ec2-user',
mode='000400',
group='ec2-user'),
# configure cfn-hup
'/etc/cfn/cfn-hup.conf': InitFile(
content=Join('',
['[main]\n',
'stack=', Ref('AWS::StackId'),
'\n',
'region=', Ref('AWS::Region'),
'\n',
'interval=2',
'\n',
]),
mode='000400',
owner='root',
group='root'),
# setup cfn-auto-reloader
'/etc/cfn/hooks.d/cfn-auto-reloader.conf': InitFile(
content=Join('',
['[cfn-auto-reloader-hook]\n',
'triggers=post.update\n',
'path=Resources.DevServer.Metadata.AWS::CloudFormation::Init\n',
'action=/opt/aws/bin/cfn-init -v',
' --stack ', Ref('AWS::StackId'),
' --resource DevServer',
' --region ', Ref('AWS::Region'),
'\n'
'runas=root\n',
]
)
)
}),
services={
'sysvinit': InitServices({
'cfn-hup': InitService(
enabled=True,
ensureRunning=True,
files=[
'/etc/cfn/cfn-hup.conf',
'/etc/cfn/hooks.d/cfn-auto-reloader.conf'
])
})}
)
'config': InitConfig(
packages={'yum': {'httpd': []}},
files=InitFiles({
'/var/www/html/index.html': InitFile(content=Join('\n',
[
'<img \
src="https://s3.amazonaws.com/cloudformation-examples/\
cloudformation_graphic.png" alt="AWS CloudFormation Logo"/>',
'<h1>\
Congratulations, you have successfully launched the AWS CloudFormation sample.\
</h1>']),
mode='000644',
owner='root',
group='root'),
'/etc/cfn/cfn-hup.conf': InitFile(content=Join('',
['[main]\n',
'stack=',
ref_stack_id,
'\n',
'region=',
ref_region,
'\n',
]),
mode='000400',
owner='root',
group='root'),
'/etc/cfn/hooks.d/cfn-auto-reloader.conf': InitFile(
content=Join('',
['[cfn-auto-reloader-hook]\n',
'triggers=post.update\n',
'path=Resources.WebServerInstance.\
Metadata.AWS::CloudFormation::Init\n',
'action=/opt/aws/bin/cfn-init -v ',
' --stack ',
ref_stack_name,
' --resource WebServerInstance ',
' --region ',
ref_region,
'\n',
'runas=root\n',
]))}),
services={
'sysvinit': InitServices({
'httpd': InitService(
enabled=True,
ensureRunning=True),
'cfn-hup': InitService(
enabled=True,
ensureRunning=True,
files=[
'/etc/cfn/cfn-hup.conf',
'/etc/cfn/hooks.d/cfn-auto-reloader.conf'
])})})}))
def generate_template():
template = Template()
ref_stack_id = Ref('AWS::StackId')
ref_region = Ref('AWS::Region')
ref_stack_name = Ref('AWS::StackName')
template.add_description(
'Counter Strike Source Dedicated Server instances Stack implementing a linux '
+ 'server and installing the dedicated server on it')
aws_access_key = template.add_parameter(
Parameter('AWSAccessKey', Type='String', Description='AWS Access Key'))
aws_secret_key = template.add_parameter(
Parameter('AWSSecretKey', Type='String', Description='AWS Secret Key'))
css_instance_name = template.add_parameter(
Parameter('CSSInstanceName',
Default='css-server',
Type='String',
Description='The Name tag for the CSS Server instance.'))
ami_id_linux = template.add_parameter(
Parameter('AmiIdLinux',
Default='ami-82f4dae7',
Type='AWS::EC2::Image::Id',
Description='Instances in the DMZ will use this AMI.'))
instance_type = template.add_parameter(
Parameter(
'InstanceType',
Type='String',
Description='Instances launched will use this EC2 Instance type.',
AllowedValues=[
't2.nano', 't2.micro', 't2.small', 't2.medium', 'c3.large',
'c3.xlarge', 'c3.2xlarge', 'c4.large', 'c4.xlarge',
'c4.2xlarge', 'm4.large'
],
ConstraintDescription='must be a supported EC2 Instance type'))
vpc_id = template.add_parameter(Parameter(
'VPCId',
Type='String',
))
public_subnet = template.add_parameter(
Parameter(
'PublicSubnet1',
Type='String',
))
iam_role = template.add_parameter(
Parameter('IAMRole',
Type='String',
Description='The IAM role associated with the instances.'))
keyname = template.add_parameter(
Parameter(
'KeyName',
Type='AWS::EC2::KeyPair::KeyName',
Description=
'Instances in the Auto Scaling Group will use this ssh key.'))
css_init_config_script = template.add_parameter(
Parameter("CSSInitConfigScript",
Type="String",
Description="File containing initial configuration script"))
css_install_script = template.add_parameter(
Parameter(
"CSSInstallScript",
Type="String",
Description="File containing installation script for CSS server"))
css_mods_tgz = template.add_parameter(
Parameter("CSSModsTgz",
Type="String",
Description="File containing mods of the CSS server"))
css_mapcycle_txt = template.add_parameter(
Parameter("CSSMapcycleTxt",
Type="String",
Description="mapcycle.txt of the CSS server"))
css_server_cfg = template.add_parameter(
Parameter("CSSServerCfg",
Type="String",
Description="server.cfg of the CSS server"))
css_rcon_password = template.add_parameter(
Parameter("CSSRconPassword",
Type="String",
Description="RCON password of the CSS server"))
bucket_name = template.add_parameter(
Parameter("BucketName",
Type="String",
Description="Name of the S3 Bucket"))
# Create Security Groups
sshlocation_param = template.add_parameter(
Parameter(
'SSHLocation',
Description=
' The IP address range that can be used to SSH to the EC2 instances',
Type='String',
MinLength='9',
MaxLength='18',
Default='0.0.0.0/0',
AllowedPattern=
"(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/(\d{1,2})",
ConstraintDescription=(
"must be a valid IP CIDR range of the form x.x.x.x/x."),
))
public_security_group = template.add_resource(
SecurityGroup(
'PublicSecurityGroup',
GroupDescription='Security group for instances in the DMZ',
SecurityGroupIngress=[
SecurityGroupRule(IpProtocol='icmp',
FromPort='8',
ToPort='-1',
CidrIp='0.0.0.0/0'),
SecurityGroupRule(IpProtocol='tcp',
FromPort='22',
ToPort='22',
CidrIp=Ref(sshlocation_param)),
SecurityGroupRule(IpProtocol='tcp',
FromPort='1200',
ToPort='1200',
CidrIp='0.0.0.0/0'),
SecurityGroupRule(IpProtocol='udp',
FromPort='1200',
ToPort='1200',
CidrIp='0.0.0.0/0'),
SecurityGroupRule(IpProtocol='udp',
FromPort='27005',
ToPort='27005',
CidrIp='0.0.0.0/0'),
SecurityGroupRule(IpProtocol='tcp',
FromPort='27015',
ToPort='27015',
CidrIp='0.0.0.0/0'),
SecurityGroupRule(IpProtocol='udp',
FromPort='27015',
ToPort='27015',
CidrIp='0.0.0.0/0'),
SecurityGroupRule(IpProtocol='udp',
FromPort='27020',
ToPort='27020',
CidrIp='0.0.0.0/0'),
SecurityGroupRule(IpProtocol='udp',
FromPort='26901',
ToPort='26901',
CidrIp='0.0.0.0/0'),
SecurityGroupRule(IpProtocol='icmpv6',
FromPort='-1',
ToPort='-1',
CidrIpv6='::/0'),
SecurityGroupRule(IpProtocol='tcp',
FromPort='22',
ToPort='22',
CidrIpv6='::/0'),
SecurityGroupRule(IpProtocol='tcp',
FromPort='1200',
ToPort='1200',
CidrIpv6='::/0'),
SecurityGroupRule(IpProtocol='udp',
FromPort='1200',
ToPort='1200',
CidrIpv6='::/0'),
SecurityGroupRule(IpProtocol='udp',
FromPort='27005',
ToPort='27005',
CidrIpv6='::/0'),
SecurityGroupRule(IpProtocol='tcp',
FromPort='27015',
ToPort='27015',
CidrIpv6='::/0'),
SecurityGroupRule(IpProtocol='udp',
FromPort='27015',
ToPort='27015',
CidrIpv6='::/0'),
SecurityGroupRule(IpProtocol='udp',
FromPort='27020',
ToPort='27020',
CidrIpv6='::/0'),
SecurityGroupRule(IpProtocol='udp',
FromPort='26901',
ToPort='26901',
CidrIpv6='::/0')
],
SecurityGroupEgress=[
SecurityGroupRule(IpProtocol='icmp',
FromPort='8',
ToPort='-1',
CidrIp='0.0.0.0/0'),
SecurityGroupRule(IpProtocol='tcp',
FromPort='80',
ToPort='80',
CidrIp='0.0.0.0/0'),
SecurityGroupRule(IpProtocol='tcp',
FromPort='443',
ToPort='443',
CidrIp='0.0.0.0/0'),
SecurityGroupRule(IpProtocol='icmpv6',
FromPort='-1',
ToPort='-1',
CidrIpv6='::/0'),
SecurityGroupRule(IpProtocol='tcp',
FromPort='80',
ToPort='80',
CidrIpv6='::/0'),
SecurityGroupRule(IpProtocol='tcp',
FromPort='443',
ToPort='443',
CidrIpv6='::/0')
],
VpcId=Ref(vpc_id),
))
# Create CSS Server instance in the public subnet
css_server_instance = template.add_resource(
Instance(
'CSSServerInstance',
ImageId=Ref(ami_id_linux),
InstanceType=Ref(instance_type),
KeyName=Ref(keyname),
IamInstanceProfile=Ref(iam_role),
NetworkInterfaces=[
NetworkInterfaceProperty(GroupSet=[Ref(public_security_group)],
AssociatePublicIpAddress='false',
DeviceIndex='0',
DeleteOnTermination='true',
SubnetId=Ref(public_subnet))
],
Tags=Tags(Name=Ref(css_instance_name), Application=ref_stack_id),
UserData=Base64(
Join('', [
'#!/bin/bash -xe\n',
'echo LC_ALL="en_US.UTF-8" >> /etc/environment\n',
'export LC_ALL="en_US.UTF-8"\n', 'apt-get update\n',
'apt-get -y install python-minimal\n',
'echo -e "import sys\nreload(sys)\nsys.setdefaultencoding(\'utf8\')" > /usr/local/lib/python2.7/dist-packages/setEncoding.py\n'
'echo PYTHONSTARTUP=/usr/local/lib/python2.7/dist-packages/setEncoding.py >> /etc/environment\n',
'export PYTHONSTARTUP=/usr/local/lib/python2.7/dist-packages/setEncoding.py\n',
'curl https://bootstrap.pypa.io/get-pip.py > /tmp/get-pip.py\n',
'python /tmp/get-pip.py\n',
'pip install https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz\n',
'/usr/local/bin/cfn-init -v ', ' --stack ',
ref_stack_name, ' --resource CSSServerInstance ',
' --region ', ref_region, '\n'
])),
Metadata=Metadata(
Authentication({
"S3AccessCreds":
AuthenticationBlock(type="S3",
accessKeyId=Ref(aws_access_key),
secretKey=Ref(aws_secret_key),
buckets=Ref(bucket_name))
}),
Init({
"config":
InitConfig(
sources={
'/tmp/mods': Ref(css_mods_tgz),
},
files={
'/tmp/init-config.sh': {
'source': Ref(css_init_config_script),
'authentication': 'S3AccessCreds',
'mode': '000755',
'owner': 'root',
'group': 'root'
},
'/tmp/css-install-script.sh': {
'source': Ref(css_install_script),
'authentication': 'S3AccessCreds',
'mode': '000755',
'owner': 'root',
'group': 'root'
},
'/tmp/cfg/mapcycle.txt': {
'source': Ref(css_mapcycle_txt),
'authentication': 'S3AccessCreds'
},
'/tmp/cfg/server.cfg': {
'source': Ref(css_server_cfg),
'authentication': 'S3AccessCreds'
}
},
commands={
'1_run_init-config.sh': {
'command': '/tmp/init-config.sh',
'cwd': '~',
'env': {
'RCON_PASSWORD': Ref(css_rcon_password)
}
}
},
)
}))))
css_server_instance_ip_address = template.add_resource(
EIP('IPAddress', Domain='vpc', InstanceId=Ref(css_server_instance)))
template.add_output(
Output(
'InstanceIp',
Value=Ref(css_server_instance_ip_address),
Description='Linux Instance IP',
))
return template
def add_ec2_instance(self):
instance_metadata = Metadata(
Init({
'config':
InitConfig(
packages={'yum': {
'openvpn': []
}},
files=InitFiles({
'/etc/openvpn/server.conf':
InitFile(content=Join('\n', [
'port 1194',
'proto tcp-server',
'dev tun1',
'ifconfig 172.16.1.2 172.16.1.3',
'status server-tcp.log',
'verb 3',
'secret /etc/openvpn/static.key',
'keepalive 10 60',
'ping-timer-rem',
'persist-tun',
'persist-key',
'user nobody',
'group nobody',
'daemon',
]),
mode='000644',
owner='root',
group='root'),
'/etc/openvpn/client.ovpn':
InitFile(content=Join('\n', [
'proto tcp-client',
'remote {{public_ip}}',
'port 1194',
'dev tun',
'secret /tmp/secret.key',
'ifconfig 10.4.0.2 10.4.0.1',
]),
mode='000644',
owner='root',
group='root'),
'/etc/cfn/cfn-hup.conf':
InitFile(content=Join('', [
'[main]\n',
'stack=',
Ref('AWS::StackId'),
'\n',
'region=',
Ref('AWS::Region'),
'\n',
]),
mode='000400',
owner='root',
group='root'),
'/etc/cfn/hooks.d/cfn-auto-reloader.conf':
InitFile(content=Join('', [
'[cfn-auto-reloader-hook]\n',
'triggers=post.update\n',
'path=Resources.OpenVpn.Metadata.AWS::CloudFormation::Init\n',
'action=/opt/aws/bin/cfn-init -v --stack ',
Ref('AWS::StackName'),
'--resource OpenVpn ',
' --region ',
Ref('AWS::Region'),
'\n',
'runas=root\n',
]))
}),
services={
'sysvinit':
InitServices({
'openvpn':
InitService(enabled=True,
ensureRunning=True,
files=['/etc/openvpn/server.conf']),
'cfn-hup':
InitService(
enabled=True,
ensureRunning=True,
files=[
'/etc/cfn/cfn-hup.conf',
'/etc/cfn/hooks.d/cfn-auto-reloader.conf'
])
})
})
}))
self.ec2_instance = self.template.add_resource(
ec2.Instance(
"OpenVpn",
ImageId=FindInMap("RegionMap", Ref("AWS::Region"), "AMI"),
InstanceType="t2.micro",
KeyName=self.sceptre_user_data["keyname"],
SecurityGroupIds=[Ref(self.securityGroup)],
IamInstanceProfile=Ref(self.cfninstanceprofile),
SubnetId=ImportValue('deploy-dev-vpc-PublicSubnet'),
Metadata=instance_metadata,
UserData=Base64(
Join('', [
'#!/bin/bash -xe\n',
'yum install easy-rsa -y --enablerepo=epel\n',
'yum update -y aws-cfn-bootstrap\n',
'/opt/aws/bin/cfn-init -v --stack ',
Ref('AWS::StackName'),
' --resource OpenVpn --region ',
Ref('AWS::Region'),
'\n',
'/opt/aws/bin/cfn-signal -e $? --stack ',
Ref('AWS::StackName'),
' --resource OpenVpn --region ',
Ref('AWS::Region'),
'\n',
'cd /etc/openvpn\n',
'openvpn --genkey --secret static.key\n',
'aws s3 cp static.key s3://',
ImportValue('deploy-dev-s3bucket-s3bucketname'),
'/\n',
'sudo modprobe iptable_nat',
'\n',
'echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward',
'\n',
'sudo iptables -t nat -A POSTROUTING -s 10.4.0.1/2 -o eth0 -j MASQUERADE',
'\n',
'external_ip=`curl http://169.254.169.254/latest/meta-data/public-ipv4`',
'\n',
'sed -i "s|{{public_ip}}|$external_ip|g" /etc/openvpn/client.ovpn',
'\n',
'aws s3 cp client.ovpn s3://',
ImportValue('deploy-dev-s3bucket-s3bucketname'),
'\n',
])),
CreationPolicy=CreationPolicy(ResourceSignal=ResourceSignal(
Timeout='PT15M')),
Tags=Tags(Name="vpn-server"),
))
def main():
'''Function: Generates the Cloudformation template'''
template = Template()
template.add_description("Dev Stack")
keyname_param = template.add_parameter(
Parameter(
'KeyName',
Description='An existing EC2 KeyPair.',
ConstraintDescription='An existing EC2 KeyPair.',
Type='AWS::EC2::KeyPair::KeyName',
))
db_pass_param = template.add_parameter(
Parameter(
'DBPass',
NoEcho=True,
Type='String',
Description='The database admin account password',
ConstraintDescription='Must contain only alphanumeric characters',
AllowedPattern="[-_a-zA-Z0-9]*",
))
db_name_param = template.add_parameter(
Parameter(
'DBName',
Default='miramax',
Type='String',
Description='The database name',
ConstraintDescription=
'Must begin with a letter and contain only alphanumeric characters',
AllowedPattern="[-_a-zA-Z0-9]*",
))
db_user_param = template.add_parameter(
Parameter(
'DBUser',
Default='miramax',
Type='String',
Description='Username for MySQL database access',
ConstraintDescription=
'Must begin with a letter and contain only alphanumeric characters',
AllowedPattern="[-_a-zA-Z0-9]*",
))
template.add_mapping(
'RegionMap', {
'ap-south-1': {
'ami': 'ami-ee8ea481'
},
'eu-west-3': {
'ami': 'ami-daf040a7'
},
'eu-west-2': {
'ami': 'ami-ddb950ba'
},
'eu-west-1': {
'ami': 'ami-d2414e38'
},
'ap-northeast-2': {
'ami': 'ami-65d86d0b'
},
'ap-northeast-1': {
'ami': 'ami-e875a197'
},
'sa-east-1': {
'ami': 'ami-ccd48ea0'
},
'ca-central-1': {
'ami': 'ami-c3e567a7'
},
'ap-southeast-1': {
'ami': 'ami-31e7e44d'
},
'ap-southeast-2': {
'ami': 'ami-23c51c41'
},
'eu-central-1': {
'ami': 'ami-3c635cd7'
},
'us-east-1': {
'ami': 'ami-5cc39523'
},
'us-east-2': {
'ami': 'ami-67142d02'
},
'us-west-1': {
'ami': 'ami-d7b355b4'
},
'us-west-2': {
'ami': 'ami-39c28c41'
}
})
ec2_security_group = template.add_resource(
ec2.SecurityGroup(
'EC2SecurityGroup',
Tags=[
{
'Key': 'Name',
'Value': Ref('AWS::StackName')
},
],
GroupDescription='EC2 Security Group',
SecurityGroupIngress=[
ec2.SecurityGroupRule(IpProtocol='tcp',
FromPort='22',
ToPort='22',
CidrIp='0.0.0.0/0',
Description='SSH'),
ec2.SecurityGroupRule(IpProtocol='tcp',
FromPort='80',
ToPort='80',
CidrIp='0.0.0.0/0',
Description='HTTP'),
ec2.SecurityGroupRule(IpProtocol='tcp',
FromPort='443',
ToPort='443',
CidrIp='0.0.0.0/0',
Description='HTTPS'),
],
))
db_security_group = template.add_resource(
ec2.SecurityGroup('DBSecurityGroup',
Tags=[
{
'Key': 'Name',
'Value': Ref('AWS::StackName')
},
],
GroupDescription='DB Security Group',
SecurityGroupIngress=[
ec2.SecurityGroupRule(
IpProtocol='tcp',
FromPort='3306',
ToPort='3306',
SourceSecurityGroupId=GetAtt(
ec2_security_group, "GroupId"),
Description='MySQL'),
]))
ec2_instance = template.add_resource(
ec2.Instance(
'Instance',
Metadata=Metadata(
Init({
"config":
InitConfig(files=InitFiles({
"/tmp/instance.txt":
InitFile(content=Ref('AWS::StackName'),
mode="000644",
owner="root",
group="root")
}), )
}), ),
CreationPolicy=CreationPolicy(ResourceSignal=ResourceSignal(
Timeout='PT15M')),
Tags=[
{
'Key': 'Name',
'Value': Ref('AWS::StackName')
},
],
ImageId=FindInMap('RegionMap', Ref('AWS::Region'), 'ami'),
InstanceType='t2.micro',
KeyName=Ref(keyname_param),
SecurityGroups=[Ref(ec2_security_group),
Ref(db_security_group)],
DependsOn='Database',
UserData=Base64(
Join('', [
'#!/bin/bash -x\n',
'exec > /tmp/user-data.log 2>&1\n',
'unset UCF_FORCE_CONFFOLD\n',
'export UCF_FORCE_CONFFNEW=YES\n',
'ucf --purge /boot/grub/menu.lst\n',
'export DEBIAN_FRONTEND=noninteractive\n',
'apt-get update\n',
'apt-get -o Dpkg::Options::="--force-confnew" --force-yes -fuy upgrade\n',
'apt-get install -y python-pip apache2 libapache2-mod-wsgi\n',
'pip install https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz\n',
'# Signal Cloudformation when set up is complete\n',
'/usr/local/bin/cfn-signal -e $? --resource=Instance --region=',
Ref('AWS::Region'),
' --stack=',
Ref('AWS::StackName'),
'\n',
]))))
ip_association = template.add_resource(
ec2.EIPAssociation('IPAssociation',
InstanceId=Ref(ec2_instance),
AllocationId='eipalloc-aa755d96'))
db_instance = template.add_resource(
DBInstance(
'Database',
DBName=Ref(db_name_param),
AllocatedStorage=20,
DBInstanceClass='db.t2.micro',
Engine='MySQL',
EngineVersion='5.7.21',
MasterUsername=Ref(db_user_param),
MasterUserPassword=Ref(db_pass_param),
VPCSecurityGroups=[GetAtt(db_security_group, "GroupId")],
))
template.add_output([
Output(
'InstanceDnsName',
Description='PublicDnsName',
Value=GetAtt(ec2_instance, 'PublicDnsName'),
),
Output(
'DatabaseDnsName',
Description='DBEndpoint',
Value=GetAtt(db_instance, 'Endpoint.Address'),
),
])
print(template.to_yaml())
"Enable HTTP access via port 80 locked down to the ELB and SSH access",
))
# @alias component @app:@web_group to WebServerASGGroup
WebServerGroup = t.add_resource(
AutoScalingGroup(
"WebServerGroup",
DesiredCapacity=Ref(WebServerCapacity),
LaunchConfigurationName=Ref("LaunchConfig"),
MinSize="1",
MaxSize="5",
LoadBalancerNames=[Ref("ElasticLoadBalancer")],
AvailabilityZones=GetAZs(""),
))
init_config = {"config": InitConfig({})}
LaunchConfig = t.add_resource(
LaunchConfiguration(
"LaunchConfig",
Metadata=Init(init_config),
UserData=Base64(
Join("", [
"#!/bin/bash -xe\n", "yum update -y aws-cfn-bootstrap\n",
"# Install the files and packages from the metadata\n",
"/opt/aws/bin/cfn-init -v ", " --stack ",
Ref("AWS::StackName"), " --resource LaunchConfig ",
" --region ",
Ref("AWS::Region"), "\n",
"# Signal the status from cfn-init\n",
"/opt/aws/bin/cfn-signal -e $? ", " --stack ",
def main():
"""Generates the CloudFormation template"""
template = Template()
template.add_version('2010-09-09')
template.add_description(
'This template deploys an ECS cluster to the ' +
'provided VPC and subnets using an Auto Scaling Group')
# Parameters
# EnvironmentName
env_name_param = template.add_parameter(
Parameter(
'EnvironmentName',
Type='String',
Description=
'An environment name that will be prefixed to resource names',
))
# InstanceType
instance_type_param = template.add_parameter(
Parameter(
'InstanceType',
Type='String',
Default='t2.nano',
Description=
'Which instance type should we use to build the ECS cluster?',
AllowedValues=[
't2.nano',
't2.micro',
't2.small',
't2.medium',
't2.large',
't2.xlarge',
't2.2xlarge',
],
))
# ClusterSize
cluster_size_param = template.add_parameter(
Parameter(
'ClusterSize',
Type='Number',
Description='How many ECS hosts do you want to initially deploy?',
Default='1',
))
# VPC
template.add_parameter(
Parameter(
'VPC',
Type='AWS::EC2::VPC::Id',
Description=
'Choose which VPC this ECS cluster should be deployed to',
))
# Subnets
subnets_param = template.add_parameter(
Parameter(
'Subnets',
Type='List<AWS::EC2::Subnet::Id>',
Description=
'Choose which subnets this ECS cluster should be deployed to',
))
# SecurityGroup
sg_param = template.add_parameter(
Parameter(
'SecurityGroup',
Type='AWS::EC2::SecurityGroup::Id',
Description=
'Select the Security Group to use for the ECS cluster hosts',
))
# Mappings
# AWSRegionToAMI
template.add_mapping(
'AWSRegionToAMI',
{
'us-east-1': {
'AMI': 'ami-a58760b3'
},
'us-east-2': {
'AMI': 'ami-a6e4bec3'
},
'us-west-1': {
'AMI': 'ami-74cb9b14'
},
'us-west-2': {
'AMI': 'ami-5b6dde3b'
},
'eu-west-1': {
'AMI': 'ami-e3fbd290'
},
'eu-west-2': {
'AMI': 'ami-77f6fc13'
},
'eu-central-1': {
'AMI': 'ami-38dc1157'
},
'ap-northeast-1': {
'AMI': 'ami-30bdce57'
},
'ap-southeast-1': {
'AMI': 'ami-9f75ddfc'
},
'ap-southeast-2': {
'AMI': 'ami-cf393cac'
},
'ca-central-1': {
'AMI': 'ami-1b01b37f'
},
},
)
# Resources
ecs_role = template.add_resource(
Role(
'ECSRole',
Path='/',
RoleName=Sub('${EnvironmentName}-ECSRole-${AWS::Region}'),
AssumeRolePolicyDocument=awacs.aws.Policy(Statement=[
awacs.aws.Statement(
Effect=awacs.aws.Allow,
Action=[awacs.aws.Action('sts', 'AssumeRole')],
Principal=awacs.aws.Principal('Service',
['ec2.amazonaws.com']),
),
]),
Policies=[
Policy(
PolicyName='ecs-service',
PolicyDocument=awacs.aws.Policy(Statement=[
awacs.aws.Statement(
Effect=awacs.aws.Allow,
Action=[
awacs.aws.Action('ecs', 'CreateCluster'),
awacs.aws.Action(
'ecs', 'DeregisterContainerInstance'),
awacs.aws.Action('ecs',
'DiscoverPollEndpoint'),
awacs.aws.Action('ecs', 'Poll'),
awacs.aws.Action('ecs',
'RegisterContainerInstance'),
awacs.aws.Action('ecs',
'StartTelemetrySession'),
awacs.aws.Action('ecs', 'Submit*'),
awacs.aws.Action('logs', 'CreateLogStream'),
awacs.aws.Action(
'ecr', 'BatchCheckLayerAvailability'),
awacs.aws.Action('ecr', 'BatchGetImage'),
awacs.aws.Action('ecr',
'GetDownloadUrlForLayer'),
awacs.aws.Action('ecr',
'GetAuthorizationToken'),
],
Resource=['*'],
),
], ),
),
],
))
ecs_instance_profile = template.add_resource(
InstanceProfile(
'ECSInstanceProfile',
Path='/',
Roles=[Ref(ecs_role)],
))
# ECSCluster
ecs_cluster = template.add_resource(
Cluster(
'ECSCluster',
ClusterName=Ref(env_name_param),
))
instance_metadata = Metadata(
Init({
'config':
InitConfig(
commands={
'01_add_instance_to_cluster': {
'command':
Join('', [
'#!/bin/bash\n', 'echo ECS_CLUSTER=',
Ref(ecs_cluster), ' >> /etc/ecs/ecs.config'
])
},
},
files=InitFiles({
'/etc/cfn/cfn-hup.conf':
InitFile(
mode='000400',
owner='root',
group='root',
content=Join('', [
'[main]\n', 'stack=',
Ref('AWS::StackId'), '\n', 'region=',
Ref('AWS::Region'), '\n'
]),
),
'/etc/cfn/hooks.d/cfn-auto-reloader.conf':
InitFile(
mode='000400',
owner='root',
group='root',
content=Join('', [
'[cfn-auto-reloader-hook]\n',
'triggers=post.update\n',
'path=Resources.ContainerInstances.Metadata.AWS::CloudFormation::Init\n'
'action=/opt/aws/bin/cfn-init -v --region ',
Ref('AWS::Region'), ' --stack ',
Ref('AWS::StackId'),
' --resource ECSLaunchConfiguration\n'
]),
)
}),
services=InitServices({
'cfn-hup':
InitService(enabled='true',
ensureRunning='true',
files=[
'/etc/cfn/cfn-hup.conf',
'/etc/cfn/hooks.d/cfn-auto-reloader.conf'
])
}),
)
}))
ecs_launch_config = template.add_resource(
LaunchConfiguration(
'ECSLaunchConfiguration',
ImageId=FindInMap('AWSRegionToAMI', Ref('AWS::Region'), 'AMI'),
InstanceType=Ref(instance_type_param),
SecurityGroups=[Ref(sg_param)],
IamInstanceProfile=Ref(ecs_instance_profile),
UserData=Base64(
Join('', [
'#!/bin/bash\n',
'yum install -y aws-cfn-bootstrap\n',
'/opt/aws/bin/cfn-init -v --region ',
Ref('AWS::Region'),
' --stack ',
Ref('AWS::StackName'),
' --resource ECSLaunchConfiguration\n',
'/opt/aws/bin/cfn-signal -e $? --region ',
Ref('AWS::Region'),
' --stack ',
Ref('AWS::StackName'),
' --resource ECSAutoScalingGroup\n',
])),
Metadata=instance_metadata,
))
# ECSAutoScalingGroup:
template.add_resource(
AutoScalingGroup(
'ECSAutoScalingGroup',
VPCZoneIdentifier=Ref(subnets_param),
LaunchConfigurationName=Ref(ecs_launch_config),
MinSize=Ref(cluster_size_param),
MaxSize=Ref(cluster_size_param),
DesiredCapacity=Ref(cluster_size_param),
Tags=ASTags(Name=(Sub('${EnvironmentName} ECS host'), True)),
CreationPolicy=CreationPolicy(
ResourceSignal=ResourceSignal(Timeout='PT15M'), ),
UpdatePolicy=UpdatePolicy(
AutoScalingRollingUpdate=AutoScalingRollingUpdate(
MinInstancesInService='1',
MaxBatchSize='1',
PauseTime='PT15M',
WaitOnResourceSignals=True,
)),
))
# Output
template.add_output(
Output(
'Cluster',
Description='A reference to the ECS cluster',
Value=Ref(ecs_cluster),
))
print(template.to_json())
