Class: EcsDeploy::TaskDefinition

Inherits:
Object
  • Object
show all
Defined in:
lib/ecs_deploy/task_definition.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(task_definition_name:, region: nil, network_mode: "bridge", volumes: [], container_definitions: [], placement_constraints: [], task_role_arn: nil) ⇒ TaskDefinition

Returns a new instance of TaskDefinition.



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# File 'lib/ecs_deploy/task_definition.rb', line 12

def initialize(
  task_definition_name:, region: nil,
  network_mode: "bridge", volumes: [], container_definitions: [], placement_constraints: [],
  task_role_arn: nil
)
  @task_definition_name = task_definition_name
  @task_role_arn        = task_role_arn
  @region = region || EcsDeploy.config.default_region || ENV["AWS_DEFAULT_REGION"]

  @container_definitions = container_definitions.map do |cd|
    if cd[:docker_labels]
      cd[:docker_labels] = cd[:docker_labels].map { |k, v| [k.to_s, v] }.to_h
    end
    if cd[:log_configuration] && cd[:log_configuration][:options]
      cd[:log_configuration][:options] = cd[:log_configuration][:options].map { |k, v| [k.to_s, v] }.to_h
    end
    cd
  end
  @volumes = volumes
  @network_mode = network_mode
  @placement_constraints = placement_constraints

  @client = Aws::ECS::Client.new(region: @region)
end

Class Method Details

.deregister(arn, region: nil) ⇒ Object 



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# File 'lib/ecs_deploy/task_definition.rb', line 3

def self.deregister(arn, region: nil)
  region = region || EcsDeploy.config.default_region || ENV["AWS_DEFAULT_REGION"]
  client = Aws::ECS::Client.new(region: region)
  client.deregister_task_definition({
    task_definition: arn,
  })
  EcsDeploy.logger.info "deregister task definition [#{arn}] [#{region}] [#{Paint['OK', :green]}]"
end

Instance Method Details

#recent_task_definition_arns ⇒ Object 



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# File 'lib/ecs_deploy/task_definition.rb', line 37

def recent_task_definition_arns
  resp = @client.list_task_definitions(
    family_prefix: @task_definition_name,
    sort: "DESC"
  )
  resp.task_definition_arns
rescue
  []
end

#register ⇒ Object 



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# File 'lib/ecs_deploy/task_definition.rb', line 47

def register
  res = @client.register_task_definition({
    family: @task_definition_name,
    network_mode: @network_mode,
    container_definitions: @container_definitions,
    volumes: @volumes,
    placement_constraints: @placement_constraints,
    task_role_arn: @task_role_arn,
  })
  EcsDeploy.logger.info "register task definition [#{@task_definition_name}] [#{@region}] [#{Paint['OK', :green]}]"
  res.task_definition
end

#run(info) ⇒ Object 



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# File 'lib/ecs_deploy/task_definition.rb', line 60

def run(info)
  resp = @client.run_task({
    cluster: info[:cluster],
    task_definition: @task_definition_name,
    overrides: {
      container_overrides: info[:container_overrides] || []
    },
    count: info[:count] || 1,
    started_by: "capistrano",
  })
  unless resp.failures.empty?
    resp.failures.each do |f|
      raise "#{f.arn}: #{f.reason}"
    end
  end

  wait_targets = Array(info[:wait_stop])
  unless wait_targets.empty?
    @client.wait_until(:tasks_running, cluster: info[:cluster], tasks: resp.tasks.map { |t| t.task_arn })
    @client.wait_until(:tasks_stopped, cluster: info[:cluster], tasks: resp.tasks.map { |t| t.task_arn })

    resp = @client.describe_tasks(cluster: info[:cluster], tasks: resp.tasks.map { |t| t.task_arn })
    resp.tasks.each do |t|
      t.containers.each do |c|
        next unless wait_targets.include?(c.name)

        unless c.exit_code.zero?
          raise "Task has errors: #{c.reason}"
        end
      end
    end
  end

  EcsDeploy.logger.info "run task [#{@task_definition_name} #{info.inspect}] [#{@region}] [#{Paint['OK', :green]}]"
end