Module: OpenNebula::ServiceTemplateExt

Defined in:
lib/opennebula/flow/service_template_ext.rb

Overview

Module to decorate ServiceTemplate class with additional helpers not directly exposed through the OpenNebula XMLRPC API. The extensions include

- mp_import helper that imports a template into a marketplace

rubocop:disable Style/ClassAndModuleChildren

Class Method Summary collapse

Class Method Details

.extend_object(obj) ⇒ Object 



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# File 'lib/opennebula/flow/service_template_ext.rb', line 24

def self.extend_object(obj)
    if !obj.is_a?(OpenNebula::ServiceTemplate)
        raise StandardError, "Cannot extended #{obj.class} " \
                             'with MarketPlaceAppExt'
    end

    class << obj

        ####################################################################
        # Public extended interface
        ####################################################################
        # Imports service template into marketplace
        #
        # @param templates [Hash]    Service roles templates information
        # @param market_id [Integer] Marketplace ID to import app
        # @param name      [String]  Service Template App name
        def mp_import(templates, market_id, name)
            name   ||= "#{@body['name']}-#{SecureRandom.hex[0..9]}"

            template = <<-EOT
            NAME      = "#{name}"
            ORIGIN_ID = "-1"
            TYPE      = "SERVICE_TEMPLATE"
            APPTEMPLATE64 = "#{Base64.strict_encode64(@body.to_json)}"
            EOT

            # Add VM template name into roles information
            @body['roles'].each do |role|
                # Find role template into templates to get the name to use
                t = templates.find do |_, v|
                    v[:template]['ID'].to_i == role['vm_template']
                end

                next if t.nil? || t[1].nil? || t[1][:name].nil?

                app_name = t[1][:name]

                template << <<-EOT
                ROLE = [ NAME="#{role['name']}", APP="#{app_name}"]
                EOT

                role.delete('vm_template')
            end

            xml = MarketPlaceApp.build_xml
            app = MarketPlaceApp.new(xml, @client)
            rc  = app.allocate(template, market_id)

            if OpenNebula.is_error?(rc)
                [-1, rc]
            else
                [0, app.id]
            end
        end

    end
end