Infrastructure as Code: Manage your Architecture with Git
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This document discusses managing infrastructure as code using tools like AWS CloudFormation and AWS Elastic Beanstalk. It explains how infrastructure as code allows treating infrastructure configurations as code that can be version controlled, tested, and treated similarly to application code. Examples are provided of using templates to define cloud resources and automating provisioning and deployment of infrastructure.
![{
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "Infrastructure as Code - CloudFormation Demo",
"Parameters": {
"InstanceType": {
"Type": "String",
"AllowedValues": [
"t2.micro", "t2.small", “t2.medium", "m3.medium", "m3.large", "m3.xlarge", “m3.2xlarge”, "c3.large", “c3.xlarge",
"c3.2xlarge", "c3.4xlarge", “c3.8xlarge", "r3.large", "r3.xlarge", "r3.2xlarge", "r3.4xlarge", "r3.8xlarge",
"i2.xlarge", "i2.2xlarge", "i2.4xlarge", "i2.8xlarge"
],
"ConstraintDescription": "must be a valid EC2 instance type.",
"Default": "t2.micro",
"Description": "WebServer EC2 instance type"
},
"KeyName": {
"Type": "AWS::EC2::KeyPair::KeyName",
"ConstraintDescription": "must be the name of an existing EC2 KeyPair.",
"Description": "Name of an existing EC2 KeyPair to enable SSH access to the instances",
"Default": "danilop-keypair-eu-central-1"
},
"SSHLocation": {
"Type": "String",
"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.",
"Default": "0.0.0.0/0",
"Description": "The IP address range that can be used to SSH to the EC2 instances",
"MaxLength": "18",
"MinLength": "9"
}
},
"Resources": {
"ElasticLoadBalancer": {
"Type": "AWS::ElasticLoadBalancing::LoadBalancer",
"Properties": {
"AvailabilityZones": { "Fn::GetAZs": “" },
"CrossZone": "true",
"HealthCheck": { "HealthyThreshold": "2", "Interval": "10", "Target": "HTTP:80/", "Timeout": “5", "UnhealthyThreshold": “3" },
"Listeners": [ { "InstancePort": "80", "LoadBalancerPort": "80", "Protocol": “HTTP" } ],
"Tags": [ { "Key" : "Name", "Value" : “CFDemo" } ]
}
},
"InstanceSecurityGroup": {
"Type": "AWS::EC2::SecurityGroup",
"Properties": {
"GroupDescription": "Enable SSH access and HTTP access on the inbound port",
"SecurityGroupIngress": [
{
"FromPort": "80",
"IpProtocol": "tcp",
"SourceSecurityGroupName": { "Fn::GetAtt": [ "ElasticLoadBalancer", “SourceSecurityGroup.GroupName" ] },
"SourceSecurityGroupOwnerId": {"Fn::GetAtt": [ "ElasticLoadBalancer", “SourceSecurityGroup.OwnerAlias" ] },
"ToPort": "80"
},
{
"CidrIp": { "Ref": “SSHLocation" }, "FromPort": "22", "IpProtocol": "tcp", "ToPort": "22"
}
]
}
},
"LaunchConfig": {
"Type": "AWS::AutoScaling::LaunchConfiguration",
"Properties": {
"ImageId": "ami-a88bb6b5",
"InstanceType": { "Ref": “InstanceType" },
"KeyName": { "Ref": “KeyName" },
"SecurityGroups": [ { "Ref": “InstanceSecurityGroup" } ]
}
},
"WebServerGroup": {
"Type": "AWS::AutoScaling::AutoScalingGroup",
"Properties": {
"AvailabilityZones": { "Fn::GetAZs": “" },
"LaunchConfigurationName": { "Ref": “LaunchConfig" },
"LoadBalancerNames": [ { "Ref": “ElasticLoadBalancer" } ],
"MinSize": "1",
"MaxSize": "4",
"DesiredCapacity": "1",
"Tags": [ { "Key" : "Name", "Value" : "CFDemo", "PropagateAtLaunch" : true } ]
}
}
},
"Outputs": {
"URL": {
"Description": "URL of the website",
"Value": { "Fn::Join": [ "", [ "http://", { "Fn::GetAtt": [ "ElasticLoadBalancer", "DNSName" ] } ] ] }
}
}
}
CloudFormation
Template
JSON Syntax
Parameters
Mappings
Resources
Outputs](https://image.slidesharecdn.com/20150717-nyc-infrastructureascode-150721151418-lva1-app6892/85/Infrastructure-as-Code-Manage-your-Architecture-with-Git-39-320.jpg)
!["AWS::CloudFormation::Init"
:
{
"config"
:
{
"packages"
:
{
"yum"
:
{
"mysql"
:
[],
"mysql-‐server"
:
[],
"httpd"
:
[],
"php"
:
[],
"php-‐mysql"
:
[]
}},
"sources"
:
{
"/var/www/html"
:
"https://my-‐builds.s3.amazonaws.com/build-‐v4.zip"
}}}](https://image.slidesharecdn.com/20150717-nyc-infrastructureascode-150721151418-lva1-app6892/85/Infrastructure-as-Code-Manage-your-Architecture-with-Git-41-320.jpg)
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Infrastructure as Code: Manage your Architecture with Git
- 1. Infrastructure as Code: Manage your Architecture with Git Danilo Poccia ‒ AWS Technical Evangelist @danilop danilop
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- 12. “something that could be rewritten in two weeks”
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- 35. <demo> … </demo>
- 37. AWS CloudFormation Create and Manage a Collection of Related AWS Resources
- 39. { "AWSTemplateFormatVersion": "2010-09-09", "Description": "Infrastructure as Code - CloudFormation Demo", "Parameters": { "InstanceType": { "Type": "String", "AllowedValues": [ "t2.micro", "t2.small", “t2.medium", "m3.medium", "m3.large", "m3.xlarge", “m3.2xlarge”, "c3.large", “c3.xlarge", "c3.2xlarge", "c3.4xlarge", “c3.8xlarge", "r3.large", "r3.xlarge", "r3.2xlarge", "r3.4xlarge", "r3.8xlarge", "i2.xlarge", "i2.2xlarge", "i2.4xlarge", "i2.8xlarge" ], "ConstraintDescription": "must be a valid EC2 instance type.", "Default": "t2.micro", "Description": "WebServer EC2 instance type" }, "KeyName": { "Type": "AWS::EC2::KeyPair::KeyName", "ConstraintDescription": "must be the name of an existing EC2 KeyPair.", "Description": "Name of an existing EC2 KeyPair to enable SSH access to the instances", "Default": "danilop-keypair-eu-central-1" }, "SSHLocation": { "Type": "String", "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.", "Default": "0.0.0.0/0", "Description": "The IP address range that can be used to SSH to the EC2 instances", "MaxLength": "18", "MinLength": "9" } }, "Resources": { "ElasticLoadBalancer": { "Type": "AWS::ElasticLoadBalancing::LoadBalancer", "Properties": { "AvailabilityZones": { "Fn::GetAZs": “" }, "CrossZone": "true", "HealthCheck": { "HealthyThreshold": "2", "Interval": "10", "Target": "HTTP:80/", "Timeout": “5", "UnhealthyThreshold": “3" }, "Listeners": [ { "InstancePort": "80", "LoadBalancerPort": "80", "Protocol": “HTTP" } ], "Tags": [ { "Key" : "Name", "Value" : “CFDemo" } ] } }, "InstanceSecurityGroup": { "Type": "AWS::EC2::SecurityGroup", "Properties": { "GroupDescription": "Enable SSH access and HTTP access on the inbound port", "SecurityGroupIngress": [ { "FromPort": "80", "IpProtocol": "tcp", "SourceSecurityGroupName": { "Fn::GetAtt": [ "ElasticLoadBalancer", “SourceSecurityGroup.GroupName" ] }, "SourceSecurityGroupOwnerId": {"Fn::GetAtt": [ "ElasticLoadBalancer", “SourceSecurityGroup.OwnerAlias" ] }, "ToPort": "80" }, { "CidrIp": { "Ref": “SSHLocation" }, "FromPort": "22", "IpProtocol": "tcp", "ToPort": "22" } ] } }, "LaunchConfig": { "Type": "AWS::AutoScaling::LaunchConfiguration", "Properties": { "ImageId": "ami-a88bb6b5", "InstanceType": { "Ref": “InstanceType" }, "KeyName": { "Ref": “KeyName" }, "SecurityGroups": [ { "Ref": “InstanceSecurityGroup" } ] } }, "WebServerGroup": { "Type": "AWS::AutoScaling::AutoScalingGroup", "Properties": { "AvailabilityZones": { "Fn::GetAZs": “" }, "LaunchConfigurationName": { "Ref": “LaunchConfig" }, "LoadBalancerNames": [ { "Ref": “ElasticLoadBalancer" } ], "MinSize": "1", "MaxSize": "4", "DesiredCapacity": "1", "Tags": [ { "Key" : "Name", "Value" : "CFDemo", "PropagateAtLaunch" : true } ] } } }, "Outputs": { "URL": { "Description": "URL of the website", "Value": { "Fn::Join": [ "", [ "http://", { "Fn::GetAtt": [ "ElasticLoadBalancer", "DNSName" ] } ] ] } } } } CloudFormation Template JSON Syntax Parameters Mappings Resources Outputs
- 40. { "Description" : "Create RDS with username and password", "Resources" : { "MyDB" : { "Type" : "AWS::RDS::DBInstance", "Properties" : { "AllocatedStorage" : "500", "DBInstanceClass" : "db.t2.micro", "Engine" : "MySQL", "EngineVersion" : "5.6", "MasterUsername" : "MyName", "MasterUserPassword" : "MyPassword" } }}}
- 41. "AWS::CloudFormation::Init" : { "config" : { "packages" : { "yum" : { "mysql" : [], "mysql-‐server" : [], "httpd" : [], "php" : [], "php-‐mysql" : [] }}, "sources" : { "/var/www/html" : "https://my-‐builds.s3.amazonaws.com/build-‐v4.zip" }}}
- 43. Template Same for Multiple Stacks (different environments)
- 44. Parameters Specific for a Stack (configuration management)
- 45. CloudFormer Template Creation Tool (from existing AWS resources)
- 49. <demo> … </demo>
- 52. Amazon EC2 Container Service Highly scalable, high performance container management service
- 54. AWS CodeCommit AWS CodeDeploy AWS CodePipeline Fully-managed source control, deployments and continuous delivery
- 56. Application + Infrastructure Data + Code
- 57. 350 West Broadway, New York, NY
- 58. Building Server-less and Event-driven Applications Monday, July 20, 3:00pm - 6:00pm
- 60. @danilop danilop