Class: RightScaleSelfService::Cli::Template

Inherits:
Base
  • Object
show all
Defined in:
lib/rightscale_selfservice/cli/template.rb

Instance Method Summary collapse

Instance Method Details

#compile(filepath) ⇒ Object 



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# File 'lib/rightscale_selfservice/cli/template.rb', line 42

def compile(filepath)
  source_filepath = File.expand_path(filepath, Dir.pwd)
  source_filename = File.basename(source_filepath)
  source_dir = File.dirname(source_filepath)
  result = RightScaleSelfService::Utilities::Template.preprocess(source_filepath)
  client = get_api_client()
  logger.info("Uploading #{source_filepath} to validate syntax")
  begin
    client.designer.template.compile(:source => result)
    logger.info("#{source_filepath} compiled successfully!")
  rescue RestClient::ExceptionWithResponse => e
    shell = Thor::Shell::Color.new
    message = "Failed to compile template\n\n#{RightScaleSelfService::Api::Client.format_error(e)}"
    logger.error(shell.set_color message, :red)
  end
end

#execute(filepath) ⇒ Object 



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# File 'lib/rightscale_selfservice/cli/template.rb', line 161

def execute(filepath)
  source_filepath = File.expand_path(filepath, Dir.pwd)
  source_filename = File.basename(source_filepath)
  source_dir = File.dirname(source_filepath)
  result = RightScaleSelfService::Utilities::Template.preprocess(source_filepath)
  client = get_api_client()
  params = {:source => result}
  if @options["options_file"]
    options_filepath = File.expand_path(@options["options_file"], Dir.pwd)
    options_str = File.open(File.expand_path(options_filepath), 'r') { |f| f.read }
    params["options"] = options_str
  end

  begin
    exec_response = client.manager.execution.create(params)
    logger.info("Successfully started execution. Href: #{exec_response.headers[:location]}")
  rescue RestClient::ExceptionWithResponse => e
    shell = Thor::Shell::Color.new
    message = "Failed to create execution from template\n\n#{RightScaleSelfService::Api::Client.format_error(e)}"
    logger.error(shell.set_color message, :red)
  end
end

#list ⇒ Object 



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# File 'lib/rightscale_selfservice/cli/template.rb', line 141

def list
  client = get_api_client()
  begin
    list_response = client.designer.template.index()
    templates = JSON.parse(list_response.body)
    if @options["property"]
      templates.each do |template|
        template.delete_if{|k,v| !(@options["property"].include?(k))}
      end
    end
    puts JSON.pretty_generate(templates)
  rescue RestClient::ExceptionWithResponse => e
    shell = Thor::Shell::Color.new
    message = "Failed to list templates\n\n#{RightScaleSelfService::Api::Client.format_error(e)}"
    logger.error(shell.set_color message, :red)
  end
end

#preprocess(filepath) ⇒ Object 



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# File 'lib/rightscale_selfservice/cli/template.rb', line 28

def preprocess(filepath)
  source_filepath = File.expand_path(filepath, Dir.pwd)
  source_filename = File.basename(source_filepath)
  source_dir = File.dirname(source_filepath)
  dest_filepath = @options.has_key?('o') ? File.expand_path(@options['o'], Dir.pwd) : File.join(source_dir, "processed-#{source_filename}")

  logger.info("Preprocessing #{source_filepath} and writing result to #{dest_filepath}")

  result = RightScaleSelfService::Utilities::Template.preprocess(source_filepath)
  File.open(dest_filepath, 'w') {|f| f.write(result)}
  logger.info("Done! Find your file at #{dest_filepath}")
end

#publish(filepath) ⇒ Object 



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# File 'lib/rightscale_selfservice/cli/template.rb', line 105

def publish(filepath)
  shell = Thor::Shell::Color.new
  template_href = upsert(filepath)
  template_id = template_href.split("/").last
  client = get_api_client()
  logger.info("Publishing template Href: #{template_href}")
  publish_params = {:id => template_id}
  begin
    response = client.designer.template.publish(publish_params)
    logger.info("Successfully published template.")
  rescue RestClient::ExceptionWithResponse => e
    if e.http_code == 409 && @options["override"]
      logger.warn("Template id \"#{template_id}\" has already been published, but --override was set so we'll try to publish again with the overridden_application_href parameter.")
      begin
        app_response = client.catalog.application.index()
        applications = JSON.parse(app_response.body)
        matching_apps = applications.select{|a| a["template_info"]["href"] == template_href}
        if matching_apps == 0
          logger.error(shell.set_color "Unable to find the published application for template id \"#{template_id}\"")
        else
          publish_params[:overridden_application_href] = matching_apps.first["href"]
          retry
        end
      rescue RestClient::ExceptionWithResponse => e
        message = "Failed to get a list of existing published templates\n\n#{RightScaleSelfService::Api::Client.format_error(e)}"
        logger.error(shell.set_color message, :red)
      end
    else
      message = "Failed to publish template\n\n#{RightScaleSelfService::Api::Client.format_error(e)}"
      logger.error(shell.set_color message, :red)
    end
  end
end

#upsert(filepath) ⇒ Object 



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# File 'lib/rightscale_selfservice/cli/template.rb', line 60

def upsert(filepath)
  template_href = ""
  source_filepath = File.expand_path(filepath, Dir.pwd)
  source_filename = File.basename(source_filepath)
  source_dir = File.dirname(source_filepath)
  template = RightScaleSelfService::Utilities::Template.preprocess(source_filepath)
  client = get_api_client()

  matches = template.match(/^name\s*"(?<name>.*)"/)
  tmp_file = matches["name"].gsub("/","-").gsub(" ","-")
  name = matches["name"]

  logger.info("Fetching a list of existing templates to see if \"#{name}\" exists...")

  templates = JSON.parse(client.designer.template.index.body)
  existing_templates = templates.select{|t| t["name"] == name }

  tmpfile = Tempfile.new([tmp_file,".cat.rb"])
  begin
    tmpfile.write(template)
    tmpfile.rewind
    if existing_templates.length != 0
      logger.info("A template named \"#{name}\" already exists, updating it...")
      template_id = existing_templates.first()["id"]
      request = client.designer.template.update({:id => template_id, :source => tmpfile}, true)
      response = request.execute
      template_href = client.get_relative_href(request.url)
    else
      logger.info("Creating template \"#{name}\"...")
      response = client.designer.template.create({:source => tmpfile})
      template_href = response.headers[:location]
    end
    logger.info("Successfully upserted \"#{name}\".  Href: #{template_href}")
  rescue RestClient::ExceptionWithResponse => e
    shell = Thor::Shell::Color.new
    message = "Failed to update or create template\n\n#{RightScaleSelfService::Api::Client.format_error(e)}"
    logger.error(shell.set_color message, :red)
  ensure
    tmpfile.close!()
  end
  template_href
end