ECSJenkinsCluster.yaml

Description: >
    This template deploys a 
    Last Modified: 10th May 2017
    Author: Anupam
    
Parameters:

    CloudFormationTemplateS3UrlBasePath: 
        Description: Where are the CloudFormation Templates ?
        Type: String
        Default: https://s3.ca-central-1.amazonaws.com/anupamjenkinscloudformation   

############################### Master Cluster parameters

    JenkinsMasterclusterName:
        Description: An environment name that will be prefixed to resource names
        Type: String
        Default: ANUPAM_dev_Jenkins

    EnvironmentName:
        Description: An environment name that will be prefixed to resource names
        Type: String
        Default: dev

    MasterInstanceType: 
        Description: Which instance type should we use to build the ECS cluster?
        Type: String
        Default: t2.micro

    MasterClusterSize:
        Description: How many ECS hosts do you want to initially deploy?
        Type: Number
        Default: 1

    VPC:
        Description: Choose which VPC this ECS cluster should be deployed to
        Type: AWS::EC2::VPC::Id
        Default: vpc-e9513481

    Subnets:
        Description: Choose which subnets this ECS cluster should be deployed to
        Type: String
        Default: subnet-7183240b

    SecurityGroup:
        Description: Select the Security Group to use for the ECS cluster hosts
        Type: String
        Default: sg-122a8a78
        
    InfrastructureAMIId:
        Description: The AMI Fetched From Infrastructure (default redhat ami-49f0762d)
        Type: String
        Default: ami-06079a18c05730d40 

    KeyPair: 
        Description: Name of an existing EC2 KeyPair to enable SSH access to the ECS instances
        Type: AWS::EC2::KeyPair::KeyName
        Default: canada_key

    AvailabilityZones:
        Type: String
        Default: ca-central-1b
        
    Region:
        Type: String
        Default: 'ca-central-1'
        
############################### Slave cluster parameters

    SlaveInstanceType: 
        Description: Which instance type should we use to build the ECS cluster?
        Type: String
        Default: t2.medium

    SlaveClusterSize:
        Description: How many ECS hosts do you want to initially deploy?
        Type: Number
        Default: 1           

############################### Master Service parameters

    DesiredMasterCount: 
        Description: How many instances of this task should we run across our cluster?
        Type: Number
        Default: 1

############################## Lambda functions

    EnvName:
        Type: String
        Description: Name of an environment. 'dev', 'staging', 'prod' and any name.
        Default: dev
    
    LambdaServiceRole:
        Type: String
        Description: role of lambda for snapshotting
        Default: arn:aws:iam::952408268520:role/service-role/abs-snapshot-role-xznsj5je
    
    VolumeID: 
        Type: String
        Description: Volume to be snapshotted
        Default: vol-06ce286891e0e83a4
        
    numberOfSnapshotsToRetain:
       Type: Number
       Description: 'How many snapshots do you want to retain as backup'
       Default: 5
       
    applicationName: 
      Type: String
      Description: 'Name of the application to tag the volume snapshot with'
      Default: JenkinsMasterVolumeSnapshotBackup   
      
    rateOfMakingSnapshot:
       Type: String
       Description: 'what is the frequency of making snapshots'
       Default: 'rate(1 minute)'  
       
    rateOfDeletingSnapshot:
       Type: String
       Description: 'what is the frequency of checking for older snapshot'
       Default: 'rate(10 minutes)'                 
        
Resources:

    ECSClusterForJenkinsMaster:
        Type: AWS::CloudFormation::Stack
        Properties:
            TemplateURL: !Sub ${CloudFormationTemplateS3UrlBasePath}/JenkinsMasterCluster.yaml
            Parameters:
                  JenkinsMasterclusterName: !Ref JenkinsMasterclusterName
                  EnvironmentName: !Ref EnvironmentName
                  MasterInstanceType: !Ref MasterInstanceType
                  MasterClusterSize: !Ref MasterClusterSize
                  VPC: !Ref VPC
                  Subnets: !Join [ ":", [ !Ref Subnets ] ]
                  SecurityGroup: !Join [ ":", [ !Ref SecurityGroup ] ]
                  InfrastructureAMIId: !Ref InfrastructureAMIId
                  KeyPair: !Ref KeyPair
                  AvailabilityZones: !Ref AvailabilityZones
                  VolumeId: !Ref VolumeID

                  
                
                
    ECSClusterForJenkinsSlave:
        Type: AWS::CloudFormation::Stack
        Properties:
            TemplateURL: !Sub ${CloudFormationTemplateS3UrlBasePath}/JenkinsSlaveCluster.yaml
            Parameters:
                   EnvironmentName: !Ref EnvironmentName
                   SlaveInstanceType: !Ref SlaveInstanceType
                   SlaveClusterSize: !Ref SlaveClusterSize
                   VPC: !Ref VPC
                   Subnets: !Ref Subnets
                   SecurityGroup: !Ref SecurityGroup
                   InfrastructureAMIId: !Ref InfrastructureAMIId
                   KeyPair: !Ref KeyPair
                   AvailabilityZones: !Ref AvailabilityZones     
                   
                   
    ECSServiceDefinationForJenkinsMaster:
        DependsOn: ECSClusterForJenkinsMaster
        Type: AWS::CloudFormation::Stack
        Properties:
            TemplateURL: !Sub ${CloudFormationTemplateS3UrlBasePath}/JenkinsMasterService.yaml
            Parameters:
                       VPC: !Ref VPC    
                       Cluster: !Ref JenkinsMasterclusterName
                       DesiredMasterCount: !Ref DesiredMasterCount
                       DockerEnvironmentTag: !Ref EnvironmentName   
                       
    EBSVolumeSnapShoterLambda:
        DependsOn: ECSServiceDefinationForJenkinsMaster
        Type: AWS::CloudFormation::Stack
        Properties:
            TemplateURL: !Sub ${CloudFormationTemplateS3UrlBasePath}/LambdaSnapshooter.yaml
            Parameters:
                       EnvName: !Ref EnvironmentName    
                       LambdaServiceRole: !Ref LambdaServiceRole
                       VolumeID: !Ref VolumeID  
                       rateOfMakingSnapshot: !Ref rateOfMakingSnapshot
                       SnapshotRegion:  !Ref Region 
                       applicationName: !Ref applicationName    
                       
    EBSVolumeSnapShotDeleteLambda:
        DependsOn: ECSServiceDefinationForJenkinsMaster
        Type: AWS::CloudFormation::Stack
        Properties:
            TemplateURL: !Sub ${CloudFormationTemplateS3UrlBasePath}/LambdaSnapshotDelete.yaml
            Parameters:
                       EnvName: !Ref EnvironmentName    
                       LambdaServiceRole: !Ref LambdaServiceRole
                       VolumeID: !Ref VolumeID  
                       numberOfSnapshotsToRetain: !Ref numberOfSnapshotsToRetain
                       SnapshotRegion:  !Ref Region  
                       applicationName: !Ref applicationName   
                       rateOfDeletingSnapshot: !Ref rateOfDeletingSnapshot