Class: Nomade::Deployer

Inherits:
Object
  • Object
show all
Defined in:
lib/nomade/deployer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(nomad_endpoint, opts = {}) ⇒ Deployer

Returns a new instance of Deployer.



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# File 'lib/nomade/deployer.rb', line 7

def initialize(nomad_endpoint, opts = {})
  @nomad_endpoint = nomad_endpoint
  @http = Nomade::Http.new(@nomad_endpoint)
  @job_builder = Nomade::JobBuilder.new(@http)
  @logger = opts.fetch(:logger, Nomade.logger)

  @timeout = opts.fetch(:timeout, 60 * 3)

  @hooks = {
    Nomade::Hooks::DEPLOY_RUNNING => [],
    Nomade::Hooks::DEPLOY_FINISHED => [],
    Nomade::Hooks::DEPLOY_FAILED => [],

    Nomade::Hooks::DISPATCH_RUNNING => [],
    Nomade::Hooks::DISPATCH_FINISHED => [],
    Nomade::Hooks::DISPATCH_FAILED => [],
  }
  add_hook(Nomade::Hooks::DEPLOY_FAILED, lambda {|hook_type, nomad_job, messages|
    @logger.error "Failing deploy:"
    messages.each do |message|
      @logger.error "- #{message}"
    end
  })
  add_hook(Nomade::Hooks::DISPATCH_FAILED, lambda {|hook_type, nomad_job, messages|
    @logger.error "Failing dispatch:"
    messages.each do |message|
      @logger.error "- #{message}"
    end
  })

  self
end

Instance Attribute Details

#nomad_job ⇒ Object (readonly)

Returns the value of attribute nomad_job.



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# File 'lib/nomade/deployer.rb', line 5

def nomad_job
  @nomad_job
end

Instance Method Details

#add_hook(hook, hook_method) ⇒ Object 



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# File 'lib/nomade/deployer.rb', line 57

def add_hook(hook, hook_method)
  if Nomade::Hooks::DEPLOY_RUNNING == hook
    @hooks[Nomade::Hooks::DEPLOY_RUNNING] << hook_method
  elsif Nomade::Hooks::DEPLOY_FINISHED == hook
    @hooks[Nomade::Hooks::DEPLOY_FINISHED] << hook_method
  elsif Nomade::Hooks::DEPLOY_FAILED == hook
    @hooks[Nomade::Hooks::DEPLOY_FAILED] << hook_method
  elsif Nomade::Hooks::DISPATCH_RUNNING == hook
    @hooks[Nomade::Hooks::DISPATCH_RUNNING] << hook_method
  elsif Nomade::Hooks::DISPATCH_FINISHED == hook
    @hooks[Nomade::Hooks::DISPATCH_FINISHED] << hook_method
  elsif Nomade::Hooks::DISPATCH_FAILED == hook
    @hooks[Nomade::Hooks::DISPATCH_FAILED] << hook_method
  else
    raise "#{hook} not supported!"
  end
end

#deploy! ⇒ Object 



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# File 'lib/nomade/deployer.rb', line 75

def deploy!
  check_for_job_init

  run_hooks(Nomade::Hooks::DEPLOY_RUNNING, @nomad_job, nil)
  _plan
  _deploy
  run_hooks(Nomade::Hooks::DEPLOY_FINISHED, @nomad_job, nil)
rescue Nomade::NoModificationsError => e
  run_hooks(Nomade::Hooks::DEPLOY_FAILED, @nomad_job, [e.class.to_s, e.message, "No modifications to make, exiting!"].compact.uniq)
rescue Nomade::GeneralError => e
  run_hooks(Nomade::Hooks::DEPLOY_FAILED, @nomad_job, [e.class.to_s, e.message, "GeneralError hit, exiting!"].compact.uniq)
  exit(1)
rescue Nomade::AllocationFailedError => e
  run_hooks(Nomade::Hooks::DEPLOY_FAILED, @nomad_job, [e.class.to_s, e.message, "Allocation failed with errors, exiting!"].compact.uniq)
  exit(3)
rescue Nomade::UnsupportedDeploymentMode => e
  run_hooks(Nomade::Hooks::DEPLOY_FAILED, @nomad_job, [e.class.to_s, e.message, "Deployment failed with errors, exiting!"].compact.uniq)
  exit(4)
rescue Nomade::FailedTaskGroupPlan => e
  run_hooks(Nomade::Hooks::DEPLOY_FAILED, @nomad_job, [e.class.to_s, e.message, "Couldn't plan correctly, exiting!"].compact.uniq)
  exit(5)
rescue Nomade::DeploymentFailedError => e
  run_hooks(Nomade::Hooks::DEPLOY_FAILED, @nomad_job, [e.class.to_s, e.message, "Couldn't deploy succesfully, exiting!"].compact.uniq)
  exit(6)
rescue Nomade::HttpConnectionError => e
  run_hooks(Nomade::Hooks::DEPLOY_FAILED, @nomad_job, [e.class.to_s, e.message, "Http connection error, exiting!"].compact.uniq)
  exit(7)
rescue Nomade::HttpBadResponse => e
  run_hooks(Nomade::Hooks::DEPLOY_FAILED, @nomad_job, [e.class.to_s, e.message, "Http bad response, exiting!"].compact.uniq)
  exit(8)
rescue Nomade::HttpBadContentType => e
  run_hooks(Nomade::Hooks::DEPLOY_FAILED, @nomad_job, [e.class.to_s, e.message, "Http unexpected content type!"].compact.uniq)
  exit(9)
end

#dispatch!(payload_data: nil, payload_metadata: {}) ⇒ Object 



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# File 'lib/nomade/deployer.rb', line 110

def dispatch!(payload_data: nil, payload_metadata: {})
  check_for_job_init

  run_hooks(Nomade::Hooks::DISPATCH_RUNNING, @nomad_job, nil)
  _dispatch(payload_data, payload_metadata)
  run_hooks(Nomade::Hooks::DISPATCH_FINISHED, @nomad_job, nil)
rescue Nomade::DispatchMetaDataFormattingError => e
  run_hooks(Nomade::Hooks::DISPATCH_FAILED, @nomad_job, [e.class.to_s, e.message, "Metadata wrongly formatted, exiting!"].compact.uniq)
  exit(10)
rescue Nomade::DispatchMissingMetaData => e
  run_hooks(Nomade::Hooks::DISPATCH_FAILED, @nomad_job, [e.class.to_s, e.message, "Required metadata missing, exiting!"].compact.uniq)
  exit(11)
rescue Nomade::DispatchUnknownMetaData => e
  run_hooks(Nomade::Hooks::DISPATCH_FAILED, @nomad_job, [e.class.to_s, e.message, "Unknown metadata sent to server, exiting!"].compact.uniq)
  exit(12)
rescue Nomade::DispatchMissingPayload => e
  run_hooks(Nomade::Hooks::DISPATCH_FAILED, @nomad_job, [e.class.to_s, e.message, "Job requires payload, but payload isn't set!"].compact.uniq)
  exit(20)
rescue Nomade::DispatchPayloadNotAllowed => e
  run_hooks(Nomade::Hooks::DISPATCH_FAILED, @nomad_job, [e.class.to_s, e.message, "Job does not allow payload!"].compact.uniq)
  exit(21)
rescue Nomade::DispatchPayloadUnknown => e
  run_hooks(Nomade::Hooks::DISPATCH_FAILED, @nomad_job, [e.class.to_s, e.message, "API error!"].compact.uniq)
  exit(22)
rescue Nomade::DispatchWrongJobType => e
  run_hooks(Nomade::Hooks::DISPATCH_FAILED, @nomad_job, [e.class.to_s, e.message, "Job has wrong job-type"].compact.uniq)
  exit(30)
rescue Nomade::DispatchNotParamaterized => e
  run_hooks(Nomade::Hooks::DISPATCH_FAILED, @nomad_job, [e.class.to_s, e.message, "Job is not paramaterized"].compact.uniq)
  exit(31)
rescue Nomade::AllocationFailedError => e
  run_hooks(Nomade::Hooks::DISPATCH_FAILED, @nomad_job, [e.class.to_s, e.message, "Allocation failed with errors, exiting!"].compact.uniq)
  exit(40)
rescue Nomade::GeneralError => e
  run_hooks(Nomade::Hooks::DISPATCH_FAILED, @nomad_job, [e.class.to_s, e.message, "GeneralError hit, exiting!"].compact.uniq)
  exit(1)
rescue Nomade::HttpConnectionError => e
  run_hooks(Nomade::Hooks::DISPATCH_FAILED, @nomad_job, [e.class.to_s, e.message, "Http connection error, exiting!"].compact.uniq)
  exit(7)
rescue Nomade::HttpBadResponse => e
  run_hooks(Nomade::Hooks::DISPATCH_FAILED, @nomad_job, [e.class.to_s, e.message, "Http bad response, exiting!"].compact.uniq)
  exit(8)
rescue Nomade::HttpBadContentType => e
  run_hooks(Nomade::Hooks::DISPATCH_FAILED, @nomad_job, [e.class.to_s, e.message, "Http unexpected content type!"].compact.uniq)
  exit(9)
end

#init_job(template_file, image_full_name, template_variables = {}) ⇒ Object 



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# File 'lib/nomade/deployer.rb', line 40

def init_job(template_file, image_full_name, template_variables = {})
  @nomad_job = @job_builder.build(template_file, image_full_name, template_variables)
  @evaluation_id = nil
  @deployment_id = nil

  self
rescue Nomade::HttpConnectionError => e
  [e.class.to_s, e.message, "Http connection error, exiting!"].compact.uniq.map{|l| @logger.error(l)}
  exit(7)
rescue Nomade::HttpBadResponse => e
  [e.class.to_s, e.message, "Http bad response, exiting!"].compact.uniq.map{|l| @logger.error(l)}
  exit(8)
rescue Nomade::HttpBadContentType => e
  [e.class.to_s, e.message, "Http unexpected content type!"].compact.uniq.map{|l| @logger.error(l)}
  exit(9)
end

#stop!(purge = false) ⇒ Object 



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# File 'lib/nomade/deployer.rb', line 157

def stop!(purge = false)
  @http.stop_job(@nomad_job, purge)
end