Class: Actions::RemoteExecution::RunHostJob

Inherits:
EntryAction
  • Object
show all
Extended by:
ApipieDSL::Class
Includes:
Helpers::WithContinuousOutput, Helpers::WithDelegatedAction, ObservableAction, EventHelpers, TemplateInvocationProgressLogging
Defined in:
app/lib/actions/remote_execution/run_host_job.rb

Defined Under Namespace

Classes: Jail

Class Method Summary collapse

Instance Method Summary collapse

Methods included from EventHelpers

#emit_event, included

Methods included from TemplateInvocationProgressLogging

#log_template_invocation_exception, #template_invocation, #with_template_invocation_error_logging

Class Method Details

.event_states ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 83

def self.event_states
  [:success, :failure]
end

Instance Method Details

#check_exit_status ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 95

def check_exit_status
  error! ForemanTasks::Task::TaskCancelledException.new(_('Task cancelled')) if delegated_action && delegated_action.output[:cancel_sent]
  error! _('Job execution failed') if exit_status.to_s != '0'
end

#continuous_output_from_template_invocation_events(continuous_output) ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 155

def continuous_output_from_template_invocation_events(continuous_output)
  begin
    # Trigger reload
    delegated_output unless task.state == 'stopped'
  rescue => e
    # This is enough, the error will get shown using add_exception at the end of the method
  end

  task.template_invocation.template_invocation_events.order(:sequence_id).find_each do |output|
    if output.event_type == 'exit'
      continuous_output.add_output(_('Exit status: %s') % output.event, 'stdout', output.timestamp)
    else
      continuous_output.add_raw_output(output.as_raw_continuous_output)
    end
  end
  continuous_output.add_exception(_('Error loading data from proxy'), e) if e
end

#continuous_output_providers ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 125

def continuous_output_providers
  super << self
end

#exit_status ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 173

def exit_status
  input[:with_event_logging] ? task.template_invocation.template_invocation_events.find_by(event_type: 'exit')&.event : delegated_output[:exit_status]
end

#fill_continuous_output(continuous_output) ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 129

def fill_continuous_output(continuous_output)
  if input[:with_event_logging]
    continuous_output_from_template_invocation_events(continuous_output)
    return
  end

  delegated_output.fetch('result', []).each do |raw_output|
    continuous_output.add_raw_output(raw_output)
  end

  final_timestamp = (continuous_output.last_timestamp || task.ended_at).to_f + 1

  if task.state == 'stopped' && task.result == 'cancelled'
    continuous_output.add_output(_('Job cancelled by user'), 'debug', final_timestamp)
  else
    fill_planning_errors_to_continuous_output(continuous_output) unless exit_status
  end
  if exit_status
    continuous_output.add_output(_('Exit status: %s') % exit_status, 'stdout', final_timestamp)
  elsif run_step&.error
    continuous_output.add_output(_('Job finished with error') + ": #{run_step.error.exception_class} - #{run_step.error.message}", 'debug', final_timestamp)
  end
rescue => e
  continuous_output.add_exception(_('Error loading data from proxy'), e)
end

#finalize(*args) ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 76

def finalize(*args)
  with_template_invocation_error_logging do
    update_host_status
    check_exit_status
  end
end

#host ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 193

def host
  @host ||= ::Host.authorized.find(host_id)
end

#host_id ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 177

def host_id
  input['host']['id']
end

#host_name ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 181

def host_name
  input['host']['name']
end

#humanized_input ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 104

def humanized_input
  return unless input.present?

  N_('%{description} on %{host}') % {
    host: input[:host_display_name],
    description: input[:description].try(:capitalize) || input[:job_category],
  }
end

#humanized_name ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 113

def humanized_name
  N_('Remote action:')
end

#humanized_output ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 121

def humanized_output
  continuous_output.humanize
end

#inner_plan(job_invocation, host, template_invocation, proxy_selector, options) ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 27

def inner_plan(job_invocation, host, template_invocation, proxy_selector, options)
  raise _('Could not use any template used in the job invocation') if template_invocation.blank?
  features = template_invocation.template.remote_execution_features.pluck(:label).uniq
  action_subject(host,
    :host_display_name => host.to_label,
    :job_category => job_invocation.job_category,
    :description => job_invocation.description,
    :job_invocation_id => job_invocation.id,
    :job_features => features)

  template_invocation.host_id = host.id
  template_invocation.run_host_job_task_id = task.id
  template_invocation.save!

  link!(job_invocation)
  link!(template_invocation)

  verify_permissions(host, template_invocation)

  provider = template_invocation.template.provider
  proxy_selector = provider.required_proxy_selector_for(template_invocation.template) || proxy_selector

  provider_type = provider.proxy_feature
  proxy = determine_proxy!(proxy_selector, provider_type, host)
  link!(proxy)
  template_invocation.smart_proxy_id = proxy.id
  template_invocation.save!

  renderer = InputTemplateRenderer.new(template_invocation.template, host, template_invocation)
  script = renderer.render
  raise _('Failed rendering template: %s') % renderer.error_message unless script

  first_execution = host.executed_through_proxies.where(:id => proxy.id).none?
  host.executed_through_proxies << proxy if first_execution

  additional_options = { :hostname => provider.find_ip_or_hostname(host),
                         :script => script,
                         :execution_timeout_interval => job_invocation.execution_timeout_interval,
                         :secrets => secrets(host, job_invocation, provider),
                         :use_batch_triggering => true,
                         :first_execution => first_execution,
                         :alternative_names => provider.alternative_names(host) }
  action_options = provider.proxy_command_options(template_invocation, host)
                           .merge(additional_options)

  plan_delegated_action(proxy, provider.proxy_action_class, action_options, proxy_action_class: ::Actions::RemoteExecution::ProxyAction)
  plan_self :with_event_logging => true
end

#job_invocation ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 189

def job_invocation
  @job_invocation ||= ::JobInvocation.authorized.find(job_invocation_id)
end

#job_invocation_id ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 185

def job_invocation_id
  input['job_invocation_id']
end

#live_output ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 100

def live_output
  continuous_output.sort!
end

#plan(job_invocation, host, template_invocation, proxy_selector = ::RemoteExecutionProxySelector.new, options = {}) ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 21

def plan(job_invocation, host, template_invocation, proxy_selector = ::RemoteExecutionProxySelector.new, options = {})
  with_template_invocation_error_logging do
    inner_plan(job_invocation, host, template_invocation, proxy_selector, options)
  end
end

#queue ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 13

def queue
  ForemanRemoteExecution::DYNFLOW_QUEUE
end

#rescue_strategy ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 117

def rescue_strategy
  ::Dynflow::Action::Rescue::Fail
end

#resource_locks ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 17

def resource_locks
  :link
end

#secrets(host, job_invocation, provider) ⇒ Object 



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# File 'app/lib/actions/remote_execution/run_host_job.rb', line 87

def secrets(host, job_invocation, provider)
  job_secrets = { :ssh_password => job_invocation.password,
                  :key_passphrase => job_invocation.key_passphrase,
                  :effective_user_password => job_invocation.effective_user_password }

  job_secrets.merge(provider.secrets(host)) { |_key, job_secret, provider_secret| job_secret || provider_secret }
end