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adding new application loadbalancer objects and properties, following…
… AWS announcement https://a… (cloudtools#544) * adding new objects and properties, followingAWS announcment https://aws.amazon.com/blogs/aws/new-aws-application-load-balancer/ * moved application load balancer resources to a separate module, following discussion * adding new property to AWS::AutoScaling::AutoScalingGroup tu allow targetting the new application load balancers * adding some tests for the new application elb objects * fixing inconsistent cloudformation output vs sample python code * mixed some resources names
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# Converted from ELBSample.template located at: | ||
# http://aws.amazon.com/cloudformation/aws-cloudformation-templates/ | ||
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from troposphere import Base64, FindInMap, GetAtt, Join, Output | ||
from troposphere import Parameter, Ref, Template | ||
import troposphere.ec2 as ec2 | ||
import troposphere.elasticloadbalancingv2 as elb | ||
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def AddAMI(template): | ||
template.add_mapping("RegionMap", { | ||
"us-east-1": {"AMI": "ami-6411e20d"}, | ||
"us-west-1": {"AMI": "ami-c9c7978c"}, | ||
"us-west-2": {"AMI": "ami-fcff72cc"}, | ||
"eu-west-1": {"AMI": "ami-37c2f643"}, | ||
"ap-southeast-1": {"AMI": "ami-66f28c34"}, | ||
"ap-northeast-1": {"AMI": "ami-9c03a89d"}, | ||
"sa-east-1": {"AMI": "ami-a039e6bd"} | ||
}) | ||
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def main(): | ||
template = Template() | ||
template.add_version("2010-09-09") | ||
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template.add_description( | ||
"AWS CloudFormation Sample Template: ELB with 2 EC2 instances") | ||
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AddAMI(template) | ||
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# Add the Parameters | ||
keyname_param = template.add_parameter(Parameter( | ||
"KeyName", | ||
Type="String", | ||
Default="mark", | ||
Description="Name of an existing EC2 KeyPair to " | ||
"enable SSH access to the instance", | ||
)) | ||
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template.add_parameter(Parameter( | ||
"InstanceType", | ||
Type="String", | ||
Description="WebServer EC2 instance type", | ||
Default="m1.small", | ||
AllowedValues=[ | ||
"t1.micro", "m1.small", "m1.medium", "m1.large", "m1.xlarge", | ||
"m2.xlarge", "m2.2xlarge", "m2.4xlarge", "c1.medium", "c1.xlarge", | ||
"cc1.4xlarge", "cc2.8xlarge", "cg1.4xlarge" | ||
], | ||
ConstraintDescription="must be a valid EC2 instance type.", | ||
)) | ||
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webport_param = template.add_parameter(Parameter( | ||
"WebServerPort", | ||
Type="String", | ||
Default="8888", | ||
Description="TCP/IP port of the web server", | ||
)) | ||
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apiport_param = template.add_parameter(Parameter( | ||
"ApiServerPort", | ||
Type="String", | ||
Default="8889", | ||
Description="TCP/IP port of the api server", | ||
)) | ||
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subnetA = template.add_parameter(Parameter( | ||
"subnetA", | ||
Type="String", | ||
Default="subnet-096fd06d" | ||
)) | ||
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subnetB = template.add_parameter(Parameter( | ||
"subnetB", | ||
Type="String", | ||
Default="subnet-1313ef4b" | ||
)) | ||
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VpcId = template.add_parameter(Parameter( | ||
"VpcId", | ||
Type="String", | ||
Default="vpc-82c514e6" | ||
)) | ||
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# Define the instance security group | ||
instance_sg = template.add_resource( | ||
ec2.SecurityGroup( | ||
"InstanceSecurityGroup", | ||
GroupDescription="Enable SSH and HTTP access on the inbound port", | ||
SecurityGroupIngress=[ | ||
ec2.SecurityGroupRule( | ||
IpProtocol="tcp", | ||
FromPort="22", | ||
ToPort="22", | ||
CidrIp="0.0.0.0/0", | ||
), | ||
ec2.SecurityGroupRule( | ||
IpProtocol="tcp", | ||
FromPort=Ref(webport_param), | ||
ToPort=Ref(webport_param), | ||
CidrIp="0.0.0.0/0", | ||
), | ||
ec2.SecurityGroupRule( | ||
IpProtocol="tcp", | ||
FromPort=Ref(apiport_param), | ||
ToPort=Ref(apiport_param), | ||
CidrIp="0.0.0.0/0", | ||
), | ||
] | ||
) | ||
) | ||
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# Add the web server instance | ||
WebInstance = template.add_resource(ec2.Instance( | ||
"WebInstance", | ||
SecurityGroups=[Ref(instance_sg)], | ||
KeyName=Ref(keyname_param), | ||
InstanceType=Ref("InstanceType"), | ||
ImageId=FindInMap("RegionMap", Ref("AWS::Region"), "AMI"), | ||
UserData=Base64(Ref(webport_param)), | ||
)) | ||
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# Add the api server instance | ||
ApiInstance = template.add_resource(ec2.Instance( | ||
"ApiInstance", | ||
SecurityGroups=[Ref(instance_sg)], | ||
KeyName=Ref(keyname_param), | ||
InstanceType=Ref("InstanceType"), | ||
ImageId=FindInMap("RegionMap", Ref("AWS::Region"), "AMI"), | ||
UserData=Base64(Ref(apiport_param)), | ||
)) | ||
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# Add the application ELB | ||
ApplicationElasticLB = template.add_resource(elb.LoadBalancer( | ||
"ApplicationElasticLB", | ||
Name="ApplicationElasticLB", | ||
Scheme="internet-facing", | ||
Subnets=[Ref(subnetA), Ref(subnetB)] | ||
)) | ||
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TargetGroupWeb = template.add_resource(elb.TargetGroup( | ||
"TargetGroupWeb", | ||
HealthCheckIntervalSeconds="30", | ||
HealthCheckProtocol="HTTP", | ||
HealthCheckTimeoutSeconds="10", | ||
HealthyThresholdCount="4", | ||
Matcher=elb.Matcher( | ||
HttpCode="200"), | ||
Name="WebTarget", | ||
Port=Ref(webport_param), | ||
Protocol="HTTP", | ||
Targets=[elb.TargetDescription( | ||
Id=Ref(WebInstance), | ||
Port=Ref(webport_param))], | ||
UnhealthyThresholdCount="3", | ||
VpcId=Ref(VpcId) | ||
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)) | ||
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TargetGroupApi = template.add_resource(elb.TargetGroup( | ||
"TargetGroupApi", | ||
HealthCheckIntervalSeconds="30", | ||
HealthCheckProtocol="HTTP", | ||
HealthCheckTimeoutSeconds="10", | ||
HealthyThresholdCount="4", | ||
Matcher=elb.Matcher( | ||
HttpCode="200"), | ||
Name="ApiTarget", | ||
Port=Ref(apiport_param), | ||
Protocol="HTTP", | ||
Targets=[elb.TargetDescription( | ||
Id=Ref(ApiInstance), | ||
Port=Ref(apiport_param))], | ||
UnhealthyThresholdCount="3", | ||
VpcId=Ref(VpcId) | ||
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)) | ||
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Listener = template.add_resource(elb.Listener( | ||
"Listener", | ||
Port="80", | ||
Protocol="HTTP", | ||
LoadBalancerArn=Ref(ApplicationElasticLB), | ||
DefaultActions=[elb.Action( | ||
Type="forward", | ||
TargetGroupArn=Ref(TargetGroupWeb) | ||
)] | ||
)) | ||
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template.add_resource(elb.ListenerRule( | ||
"ListenerRuleApi", | ||
ListenerArn=Ref(Listener), | ||
Conditions=[elb.Condition( | ||
Field="path-pattern", | ||
Values=["/api/*"])], | ||
Actions=[elb.Action( | ||
Type="forward", | ||
TargetGroupArn=Ref(TargetGroupApi) | ||
)], | ||
Priority="1" | ||
)) | ||
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template.add_output(Output( | ||
"URL", | ||
Description="URL of the sample website", | ||
Value=Join("", ["http://", GetAtt(ApplicationElasticLB, "DNSName")]) | ||
)) | ||
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print(template.to_json()) | ||
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if __name__ == '__main__': | ||
main() |
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