Jenkins deploy stage blue-green ecs

blue-green ecs

 52     stage('Deploy') {
 53       sh """#!/bin/bash -x
 54         export PATH=\${HOME}/bin:\${PATH}
 55         export AWS_DEFAULT_REGION=${REGION}
 56         [[ -d \${HOME}/bin ]] || mkdir \${HOME}/bin
 57         [[ -e \${HOME}/bin/ecs-deploy.sh ]] || ( curl --silent -L https://raw.githubusercontent.com/silinternational/ecs-deploy/develop/ecs-deploy >\${HOME}/bin/ecs-deploy.sh && chmod +x \${HOME}/bin/ecs-deploy.sh )
 58
 59         PREVIOUS_TASK_DEF_ARN=\$(aws ecs describe-services --services $ECS_SERVICE --cluster $ECS_CLUSTER | jq -r '.services[0].taskDefinition')
 60         ecs-deploy.sh -c $ECS_CLUSTER -n $ECS_SERVICE -i ${AWS_ACCTID}.dkr.ecr.${REGION}.amazonaws.com/${ECS_SERVICE}:latest
 61         NEW_TASK_DEF_ARN=\$(aws ecs describe-services --services $ECS_SERVICE --cluster $ECS_CLUSTER | jq -r '.services[0].taskDefinition')
 62         if [[ \$? -eq 0 ]] && [[ -n \$PREVIOUS_TASK_DEF_ARN ]]; then
 63           echo "Deregistering previous task definition"
 64           aws ecs deregister-task-definition --task-definition \$PREVIOUS_TASK_DEF_ARN >/dev/null
 65         else
 66           if [[ \$PREVIOUS_TASK_DEF_ARN != \$NEW_TASK_DEF_ARN ]] && [[ -n \$PREVIOUS_TASK_DEF_ARN ]] && [[ -n \$NEW_TASK_DEF_ARN ]]; then
 67             aws ecs update-service --cluster $ECS_CLUSTER --service $ECS_SERVICE --task-definition \$PREVIOUS_TASK_DEF_ARN
 68             aws ecs deregister-task-definition --task-definition \$NEW_TASK_DEF_ARN
 69           fi
 70         fi
 71       """
 72     }