Class: Shiprails::Ship::Deploy

Inherits:
Thor::Group
  • Object
show all
Includes:
Thor::Actions
Defined in:
lib/shiprails/ship/deploy.rb

Instance Method Summary collapse

Instance Method Details

#build_docker_images ⇒ Object 



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# File 'lib/shiprails/ship/deploy.rb', line 24

def build_docker_images
  perform_callbacks :before_build_docker_images
  say "Building images..."
  s3_config_bucket = configuration[:config_s3_bucket].to_s
  commands = []
  configuration[:services].each do |service_name, service|
    image_name = "#{compose_project_name}_#{service[:image]}"
    service[:regions].each do |region_name, region|
      region[:environments].each do |environment_name|
        next unless args.empty? or args.include?(environment_name)
        s3 = Aws::S3::Client.new(region: region_name.to_s)
        objects = s3.list_objects_v2(bucket: s3_config_bucket, prefix: environment_name)
        s3_config_revision = objects.contents.map{ |object| object.key[/\d+/].to_i }.max || 0
        ecr = Aws::ECR::Client.new({ region: region_name.to_s })
        authorization_data = ecr.get_authorization_token.authorization_data.first
        credentials = Base64.decode64(authorization_data.authorization_token).split(':')
        exit(1) unless run "docker login -u #{credentials.first} -p #{credentials.last} #{authorization_data.proxy_endpoint}"
        repository_name = region[:repository_url].split('/').drop(1).join('/')
        images = ecr.describe_images(repository_name: repository_name).image_details
        tags = images.map(&:image_tags).flatten
        shas = git.log(1000).map(&:sha) # get last 1000 commits
        last_built_sha = nil
        shas.each do |sha|
          if tags.include?(sha)
            last_built_sha = sha
            break
          end
        end
        unless last_built_sha.nil?
          exit(1) unless run "docker pull #{region[:repository_url]}:#{last_built_sha}"
        end
        commands << "docker build -t #{image_name}_#{environment_name} --build-arg AWS_ACCESS_KEY_ID='#{aws_access_key_id}' --build-arg AWS_SECRET_ACCESS_KEY='#{aws_access_key_secret}' --build-arg AWS_REGION='#{region_name.to_s}' --build-arg S3_CONFIG_BUCKET='#{s3_config_bucket}' --build-arg S3_CONFIG_ENVIRONMENT='#{environment_name}' --build-arg S3_CONFIG_REVISION='#{s3_config_revision}' -f #{dockerfile_path} ."
      end
    end
  end
  commands.uniq!
  commands.each do |c|
    exit(1) unless run c
  end
  say "Build complete", :green
  perform_callbacks :after_build_docker_images
end

#check_git_status ⇒ Object 



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# File 'lib/shiprails/ship/deploy.rb', line 17

def check_git_status
  if git.status.added.any? or git.status.changed.any? or git.status.deleted.any?
    say "You have uncommitted changes. Commit and try again.", :red
    exit
  end
end

#done ⇒ Object 



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# File 'lib/shiprails/ship/deploy.rb', line 198

def done
  say "Deploy complete!", :green
end

#push_docker_images ⇒ Object 



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# File 'lib/shiprails/ship/deploy.rb', line 89

def push_docker_images
  perform_callbacks :before_push_docker_images
  say "Pushing images..."
  repository_urls_to_regions = {}
  configuration[:services].each do |service_name, service|
    service[:regions].each do |region, values|
      repository_urls_to_regions[values[:repository_url]] = region
    end
  end
  repository_urls_to_regions.each do |repository_url, region|
    ecr = Aws::ECR::Client.new({ region: region.to_s })
    authorization_data = ecr.get_authorization_token.authorization_data.first
    credentials = Base64.decode64(authorization_data.authorization_token).split(':')
    exit(1) unless run "docker login -u #{credentials.first} -p #{credentials.last} #{authorization_data.proxy_endpoint}"
    exit(1) unless run "docker push #{repository_url}:#{git_sha}"
  end
  say "Push complete.", :green
  perform_callbacks :after_push_docker_images
end

#tag_docker_images ⇒ Object 



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# File 'lib/shiprails/ship/deploy.rb', line 67

def tag_docker_images
  perform_callbacks :before_tag_docker_images
  say "Tagging images..."
  commands = []
  configuration[:services].each do |service_name, service|
    image_name = "#{compose_project_name}_#{service[:image]}"
    service[:regions].each do |region_name, region|
      repository_url = region[:repository_url]
      region[:environments].each do |environment_name|
        next unless args.empty? or args.include?(environment_name)
        commands << "docker tag #{image_name}_#{environment_name} #{repository_url}:#{git_sha}"
      end
    end
  end
  commands.uniq!
  commands.each do |c|
    exit(1) unless run c
  end
  say "Tagging complete.", :green
  perform_callbacks :after_tag_docker_images
end

#update_ecs_services ⇒ Object 



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# File 'lib/shiprails/ship/deploy.rb', line 161

def update_ecs_services
  perform_callbacks :before_update_ecs_services
  say "Updating ECS services..."
  configuration[:services].each do |service_name, service|
    service[:regions].each do |region_name, region|
      ecs = Aws::ECS::Client.new(region: region_name.to_s)
      region[:environments].each do |environment_name|
        next unless args.empty? or args.include?(environment_name)
        cluster_name = "#{project_name}_#{environment_name}"
        task_name = "#{project_name}_#{service_name}_#{environment_name}"
        begin
          task_definition_response = ecs.describe_task_definition({task_definition: task_name})
          task_definition = task_definition_response.task_definition.to_hash
        rescue Aws::ECS::Errors::ClientException => e
          say "Missing ECS task for #{task_name}!", :red
          say "Run `ship setup`", :red
          exit
        end
        begin
          service_response = ecs.update_service({
            cluster: cluster_name,
            service: service_name,
            task_definition: task_definition_response.task_definition.task_definition_arn
          })
          say "Updated #{service_name}.", :green
        rescue Aws::ECS::Errors::ServiceNotFoundException, Aws::ECS::Errors::ServiceNotActiveException => e
          say "Missing ECS service for #{task_name}!", :red
          say "Run `ship setup`", :red
          exit
        end
      end
    end
  end
  say "ECS services updated.", :green
  perform_callbacks :after_update_ecs_services
end

#update_ecs_tasks ⇒ Object 



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# File 'lib/shiprails/ship/deploy.rb', line 109

def update_ecs_tasks
  perform_callbacks :before_update_ecs_tasks
  task_arn = nil
  say "Updating ECS tasks..."
  configuration[:services].each do |service_name, service|
    image_name = "#{project_name}_#{service_name}"
    service[:regions].each do |region_name, region|
      ecs = Aws::ECS::Client.new(region: region_name.to_s)
      region[:environments].each do |environment_name|
        next unless args.empty? or args.include?(environment_name)
        cluster_name = "#{project_name}_#{environment_name}"
        task_name = "#{project_name}_#{service_name}_#{environment_name}"
        image_name = "#{region[:repository_url]}:#{git_sha}"
        begin
          task_definition_description = ecs.describe_task_definition({task_definition: task_name})
          task_definition = task_definition_description.task_definition.to_hash
          task_definition.delete :task_definition_arn
          task_definition.delete :revision
          task_definition.delete :status
          task_definition.delete :requires_attributes
        rescue Aws::ECS::Errors::ClientException => e
          say "Missing ECS task for #{task_name}!", :red
          say "Run `ship setup`", :red
          exit
        end
        if container = task_definition[:container_definitions].find{ |container| container[:name] == service_name.to_s }
          container[:cpu] = service[:resources][:cpu_units]
          container[:image] = image_name
          container[:memory] = service[:resources][:memory_units]
          config_s3_version = container[:environment].find{|e| e[:name] == "S3_CONFIG_REVISION" }[:value]
          container[:environment] = [
            { name: "AWS_REGION", value: region_name.to_s },
            { name: "GIT_SHA", value: git_sha },
            { name: "RACK_ENV", value: environment_name },
            { name: "S3_CONFIG_BUCKET", value: config_s3_bucket },
            { name: "S3_CONFIG_ENVIRONMENT", value: environment_name },
            { name: "S3_CONFIG_REVISION", value: config_s3_version }
          ]
          say "Updated #{service_name} container (#{image_name})."
        end
        task_definition_response = ecs.register_task_definition(task_definition)
        if service_name == :app
          task_arn = task_definition_response.task_definition.task_definition_arn
        end
        say "Updated #{task_name}.", :green
      end
    end
  end
  say "ECS tasks updated.", :green
  perform_callbacks :after_update_ecs_tasks, task_arn
end