Method: Mortar::Command::Validate#index

Defined in:
lib/mortar/command/validate.rb

#index ⇒ Object

validate [PIGSCRIPT]

Validate a pig script. Checks script for problems with:

* Pig syntax
* Python syntax
* S3 data access

-p, –parameter NAME=VALUE # Set a pig parameter value in your script. -f, –param-file PARAMFILE # Load pig parameter values from a file. -g, –pigversion PIG_VERSION # Set pig version. Options are <PIG_VERSION_OPTIONS>.



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# File 'lib/mortar/command/validate.rb', line 34

def index
  pigscript_name = shift_argument
  unless pigscript_name
    error("Usage: mortar validate PIGSCRIPT\nMust specify PIGSCRIPT.")
  end
  validate_arguments!
  pigscript = validate_script!(pigscript_name)
  
  if pigscript.is_a? Mortar::Project::ControlScript
    error "Currently Mortar does not support validating control scripts"
  end
  
  git_ref = sync_code_with_cloud()
  
  validate_id = nil
  action("Starting validate") do
    validate_id = api.post_validate(project.name, pigscript.name, git_ref, 
      :pig_version => pig_version.version, 
      :project_script_path => pigscript.rel_path,
      :parameters => pig_parameters).body["validate_id"]
  end
      
  validate_result = nil
  display
  ticking(polling_interval) do |ticks|
    validate_result = api.get_validate(validate_id).body
    is_finished =
      Mortar::API::Validate::STATUSES_COMPLETE.include?(validate_result["status_code"])
     
    redisplay("[#{(ticks)}] Checking your script for problems with: Pig syntax, Python syntax, and S3 data access",
      is_finished) # only display newline on last message
    if is_finished
      display
      break
    end
  end
  
  case validate_result['status_code']
  when Mortar::API::Validate::STATUS_FAILURE
    error_message = "Validate failed with #{validate_result['error_type'] || 'error'}"
    if line_number = validate_result["line_number"]
      error_message += " at Line #{line_number}"
      if column_number = validate_result["column_number"]
        error_message += ", Column #{column_number}"
      end
    end
    error_context = get_error_message_context(validate_result['error_message'])
    error_message += ":\n\n#{validate_result['error_message']}\n\n#{error_context}"
    error(error_message)
  when Mortar::API::Validate::STATUS_KILLED
    error("Validate killed by user.")
  when Mortar::API::Validate::STATUS_SUCCESS
    display("Your script is valid.")
  else
    raise RuntimeError, "Unknown validate status: #{validate_result['status']} for validate_id: #{validate_id}"
  end
end