Jenkinsfile

pipeline {
    agent {
        label 'windows-shared'
    }

    environment { 
        PROJECT_NAME 					= 'test-project'
        PROJECT_S3_BUCKET_REGION 		= 'us-east-1'
        PROJECT_S3_BUCKET_NAME 			= 'test-s3-bucket-name'
        PROJECT_BUILD_OUTPUT_FILE_NAME 	= 'testapp.zip'               # output zip file name to be created in this jenkins pipeline
        PROJECT_SOLUTION_NAME 			= 's3testapp.sln'
		AUTO_SCALING_GROUP_NAME			= 'terraform-asg-test-app'    # auto scaling group name which is created as part of Terraform in AWS
		ASG_MIN_SIZE					= 1
		ASG_MAX_SIZE					= 2
		ASG_DESIRED_SIZE				= 2
    }

    stages {
        stage('Cloning the project repository from BitBucket') {
            steps {
                checkout(
                    [
                        $class: 'GitSCM', 
                        branches: [[name: '*/master']], 
                        doGenerateSubmoduleConfigurations: false, 
                        extensions: [[$class: 'CleanBeforeCheckout']], 
                        submoduleCfg: [], 
                        userRemoteConfigs: [
                            [
                                credentialsId: 'git', 
                                url: 'https://github.com/sajjasgit/s3testapp.git'
                            ]
                        ]
                    ]
                )
            }
        }

        stage('Building the project') {
            steps {
                // bat 'nuget restore ${PROJECT_SOLUTION_NAME}'
		        bat "\"${tool 'MSBuild_VS2019community'}\\msbuild.exe\" ${PROJECT_SOLUTION_NAME} /p:DeployOnBuild=true /p:PublishProfile=FolderProfile /p:Configuration=Release /p:Platform=\"Any CPU\" /p:ProductVersion=1.0.0.${env.BUILD_NUMBER}"
            }
        }

        stage('Uploading application package to s3') {
            steps {
                withCredentials([[
                $class: 'AmazonWebServicesCredentialsBinding',
                accessKeyVariable: 'AWS_ACCESS_KEY_ID', // dev credentials
                credentialsId: 'AWSCRED',
                secretKeyVariable: 'AWS_SECRET_ACCESS_KEY'
                ]]){
                    powershell '''
                        Import-Module AWSPowerShell
                        Set-AWSCredentials -AccessKey "$($ENV:AWS_ACCESS_KEY_ID)" -SecretKey "$($ENV:AWS_SECRET_ACCESS_KEY)" -StoreAs "$($ENV:PROJECT_NAME)"
                        Write-S3Object -BucketName "$($ENV:PROJECT_S3_BUCKET_NAME)" -File "$($ENV:PROJECT_BUILD_OUTPUT_FILE_NAME)" -Region "$($ENV:PROJECT_S3_BUCKET_REGION)" -ProfileName "$($ENV:PROJECT_NAME)"
                    '''
                }
            }
        }

        stage('Update Autoscaling to pull latest artifact') {
            steps {
                withCredentials([[
                $class: 'AmazonWebServicesCredentialsBinding',
                accessKeyVariable: 'AWS_ACCESS_KEY_ID', // dev credentials
                credentialsId: 'AWSCRED',
                secretKeyVariable: 'AWS_SECRET_ACCESS_KEY'
                ]]){
                    powershell '''
						echo "Scaling down Autoscaling Group"
						Update-ASAutoScalingGroup -AutoScalingGroupName "$($ENV:AUTO_SCALING_GROUP_NAME)" -MinSize 0 -MaxSize 0 -DesiredCapacity 0 -Region "$($ENV:PROJECT_S3_BUCKET_REGION)" -ProfileName "$($ENV:PROJECT_NAME)"
                        Start-Sleep -s 30
						echo "Scaling up Autoscaling Group"
						Update-ASAutoScalingGroup -AutoScalingGroupName "$($ENV:AUTO_SCALING_GROUP_NAME)" -MinSize "$($ENV:ASG_MIN_SIZE)" -MaxSize "$($ENV:ASG_MAX_SIZE)" -DesiredCapacity "$($ENV:ASG_DESIRED_SIZE)" -Region "$($ENV:PROJECT_S3_BUCKET_REGION)" -ProfileName "$($ENV:PROJECT_NAME)"
						Remove-AWSCredentialProfile -ProfileName "$($ENV:PROJECT_NAME)" -Confirm:$false
					'''
                }
            }
        }
    }
}