Class: Opsup::StackOperator

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/opsup/stack_operator.rb,
lib/opsup/stack_operator/command_deployer.rb

Defined Under Namespace

Classes: CommandDeployer

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opsworks:, logger:) ⇒ StackOperator

Returns a new instance of StackOperator.



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# File 'lib/opsup/stack_operator.rb', line 19

def initialize(opsworks:, logger:)
  @opsworks = T.let(opsworks, Aws::OpsWorks::Client)
  @logger = T.let(logger, ::Logger)
end

Class Method Details

.create(opsworks:) ⇒ Object 



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# File 'lib/opsup/stack_operator.rb', line 11

def self.create(opsworks:)
  new(
    opsworks: opsworks,
    logger: Opsup::Logger.instance,
  )
end

Instance Method Details

#new_deployer(stack_name:, mode:, dryrun: false) ⇒ Object

Raises:



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# File 'lib/opsup/stack_operator.rb', line 31

def new_deployer(stack_name:, mode:, dryrun: false)
  # Find the target stack.
  @logger.debug('Verifying the specified stack exists...')
  stacks = @opsworks.describe_stacks.stacks
  stack = stacks.find { |s| s.name == stack_name }
  raise Opsup::Error, "Stack #{stack_name} does not exist" if stack.nil?

  # Find the stack's apps.
  @logger.debug('Verifying the stack has at least one app...')
  apps = @opsworks.describe_apps(stack_id: stack.stack_id).apps
  raise Opsup::Error, "#{stack_name} has no apps" if apps.empty?

  # Find the instances to be updated.
  @logger.debug('Finding all working instances in the stack...')
  instances = @opsworks.describe_instances(stack_id: stack.stack_id).instances
  instances = instances.reject { |inst| inst.status == 'stopped' }

  raise Opsup::Error, 'No available instances found' if instances.empty?

  @logger.debug(
    "#{instances.size} #{instances.size == 1 ? 'instance is' : 'instances are'} found",
  )

  config = StackOperator::CommandDeployer::Config.new(
    stack: stack,
    mode: mode,
    # Currently Opsup deploys only the first app by default.
    app: apps.first,
    instance_ids: instances.map(&:instance_id),
    dryrun: dryrun,
  )
  StackOperator::CommandDeployer.create(
    config: config,
    opsworks: @opsworks,
    logger: @logger,
  )
end