Module: DeepThought::Deployer

Defined in:
lib/deep_thought/deployer.rb,
lib/deep_thought/deployer/shell.rb,
lib/deep_thought/deployer/deployer.rb

Defined Under Namespace

Classes: Deployer, DeployerNotFoundError, DeployerSetupFailedError, DeploymentFailedError, DeploymentInProgressError, Shell

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.adapters ⇒ Object

Returns the value of attribute adapters.



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# File 'lib/deep_thought/deployer.rb', line 12

def adapters
  @adapters
end

Class Method Details

.create(project, user, via, options = {}) ⇒ Object 



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# File 'lib/deep_thought/deployer.rb', line 23

def self.create(project, user, via, options = {})
  branch = options[:branch] || 'master'
  actions = options[:actions] if options[:actions]
  environment = options[:environment] if options[:environment]
  box = options[:box] if options[:box]
  variables = options[:variables] if options[:variables]
  on_behalf_of = options[:on_behalf_of] if options[:on_behalf_of]

  if is_deploying?
    raise DeploymentInProgressError, "Sorry, but I'm currently in mid-deployment. Ask me again when I'm done."
  end

  project.setup

  hash = Git.get_latest_commit_for_branch(project, branch)

  project_config = YAML.load_file(".projects/#{project.name}/.deepthought.yml")

  if project_config['ci']
    uses_ci = project_config['ci']['enabled'] || false
  else
    uses_ci = false
  end

  if DeepThought::CIService.ci_service
    if uses_ci
      ci_project_name = project_config['ci']['name'] || project.name
      if !DeepThought::CIService.is_branch_green?(ci_project_name, branch, hash)
        raise DeepThought::CIService::CIBuildNotGreenError, "Commit #{hash} on project #{app} (in branch #{branch}) is not green. Fix it before deploying."
      end
    end
  end

  deploy = DeepThought::Deploy.new
  deploy.project_id = project.id
  deploy.user_id = user.id
  deploy.branch = branch
  deploy.commit = hash.to_s
  deploy.via = via
  deploy.actions = actions.to_yaml if actions
  deploy.environment = environment if environment
  deploy.box = box if environment && box
  deploy.variables = variables.to_yaml if variables
  deploy.on_behalf_of = on_behalf_of if on_behalf_of
  deploy.save!
end

.execute(deploy) ⇒ Object 



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# File 'lib/deep_thought/deployer.rb', line 70

def self.execute(deploy)
  if !is_deploying?
    Git.switch_to_branch(deploy.project, deploy.branch)

    deploy.project.setup

    project_config = YAML.load_file(".projects/#{deploy.project.name}/.deepthought.yml") || {}
    deploy_type = project_config['deploy_type'] || 'shell'

    if @adapters.keys.include?(deploy_type)
      lock_deployer

      deploy.started_at = DateTime.now
      deploy.in_progress = true
      deploy.save!

      klass = adapters[deploy_type]
      deployer = klass.new

      if !deployer.setup?(deploy.project, project_config)
        raise DeployerSetupFailedError, "Deployer setup failed - check the deployer and project settings."
      end

      deploy_status = deployer.execute?(deploy, project_config)

      unlock_deployer

      deploy.finished_at = DateTime.now
      deploy.in_progress = false

      deploy_summary = deploy.project.name

      if deploy.actions
        actions = YAML.load(deploy.actions)
        actions.each do |action|
          deploy_summary += "/#{action}"
        end
      end

      deploy_summary += " #{deploy.branch}"

      if deploy.environment
        deploy_summary += " to #{deploy.environment}"

        if deploy.box
          deploy_summary += "/#{deploy.box}"
        end
      end

      if deploy.variables
        variables = YAML.load(deploy.variables)
        variables.each do |k, v|
          deploy_summary += " #{k}=#{v}"
        end
      end

      if deploy_status
        deploy.was_successful = true
        deploy.save!

        DeepThought::Notifier.notify(deploy.user, "SUCCESS: #{deploy_summary}")

        true
      else
        deploy.was_successful = false
        deploy.save!

        DeepThought::Notifier.notify(deploy.user, "FAILED: #{deploy_summary}")

        raise DeploymentFailedError, "The deployment pondered its own short existence before hitting the ground with a sudden wet thud."
      end
    else
      raise DeployerNotFoundError, "I don't have a deployer called \"#{deploy_type}\"."
    end
  else
    raise DeploymentInProgressError, "Sorry, but I'm currently in mid-deployment. Ask me again when I'm done."
  end
end

.is_deploying? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/deep_thought/deployer.rb', line 149

def self.is_deploying?
  deployer_state = get_or_create_deployer_state

  if deployer_state.state == 'true'
    true
  else
    false
  end
end

.lock_deployer ⇒ Object 



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# File 'lib/deep_thought/deployer.rb', line 159

def self.lock_deployer
  deployer_state = get_or_create_deployer_state

  deployer_state.state = 'true'
  deployer_state.save
end

.register_adapter(name, service) ⇒ Object 



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# File 'lib/deep_thought/deployer.rb', line 19

def self.register_adapter(name, service)
  self.adapters[name] = service
end

.unlock_deployer ⇒ Object 



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# File 'lib/deep_thought/deployer.rb', line 166

def self.unlock_deployer
  deployer_state = get_or_create_deployer_state

  deployer_state.state = 'false'
  deployer_state.save
end