F #5731: create a vCenter template for app (#1819)

src/oca/ruby/opennebula/marketplaceapp_ext.rb

@@ -185,9 +185,34 @@ module OpenNebula::MarketPlaceAppExt
                 #---------------------------------------------------------------
                 # Created an associated VMTemplate if needed
                 #---------------------------------------------------------------
-                if (self['TEMPLATE/VMTEMPLATE64'].nil? && !is_vcenter) ||
-                    options[:notemplate] ||
-                    options[:template] == -1
+                if is_vcenter
+                    ret = create_vcenter_template(ds)
+
+                    tmpl = <<-EOT
+                    NAME   = "#{options[:vmtemplate_name] || options[:name]}"
+                    DISK   = [ IMAGE_ID = "#{image.id}" ]
+                    CPU    = "1"
+                    VCPU   = "1"
+                    MEMORY = "128"
+                    HYPERVISOR = "vcenter"
+                    EOT
+
+                    ret.each do |key, value|
+                        tmpl << "#{key}=\"#{value}\"\n"
+                    end
+
+                    vmtpl = Template.new(Template.build_xml, @client)
+
+                    rc = vmtpl.allocate(tmpl)
+                    rc = vmtpl.id unless OpenNebula.is_error?(rc)
+
+                    rc_info[:vmtemplate] = [rc]
+                    return rc_info
+                end
+
+                if self['TEMPLATE/VMTEMPLATE64'].nil? ||
+                   options[:notemplate] ||
+                   options[:template] == -1
                     return rc_info
                 end
 
@@ -286,6 +311,88 @@ module OpenNebula::MarketPlaceAppExt
                 rc
             end
 
+            # Create a VM template in vCenter in order to use it when
+            # deploying an app from the marketplace
+            #
+            # @param ds [OpenNebula::Datastore] Datastore information
+            def create_vcenter_template(ds)
+                ret  = {}
+                keys = %w[VCENTER_TEMPLATE_REF
+                          VCENTER_CCR_REF
+                          VCENTER_INSTANCE_ID]
+
+                if ds['//VCENTER_TEMPLATE_REF']
+                    keys.each do |key|
+                        ret[key] = ds["//#{key}"]
+                    end
+
+                    return ret
+                end
+
+                require 'vcenter_driver'
+
+                # Get vi client for current datastore
+                vi_client = VCenterDriver::VIClient.new_from_datastore(ds.id)
+
+                # Get datastore object
+                ds_ref    = ds['//VCENTER_DS_REF']
+                datastore = VCenterDriver::Datastore.new_from_ref(
+                    ds_ref,
+                    vi_client
+                )
+
+                # Get resource pool
+                host_ref          = datastore['host'].first.key.parent._ref
+                vi_client.ccr_ref = host_ref
+
+                host = VCenterDriver::ClusterComputeResource.new_from_ref(
+                    host_ref,
+                    vi_client
+                )
+
+                rp = host.resource_pools.first
+
+                # Get vCentrer instance ID
+                uuid = vi_client.vim.serviceContent.about.instanceUuid
+
+                # Create VM folder it not exists
+                dc        = datastore.obtain_dc.item
+                vm_folder = dc.find_folder('one_default_template')
+
+                if vm_folder.nil?
+                    dc.vmFolder.CreateFolder(:name => 'one_default_template')
+                    vm_folder = dc.find_folder('one_default_template')
+                end
+
+                # Define default VM config
+                vm_cfg = { :name     => "one_app_template-#{ds.id}",
+                           :guestId  => 'otherGuest',
+                           :numCPUs  => 1,
+                           :memoryMB => 128,
+                           :files    => {
+                               :vmPathName => "[#{datastore.item.name}]"
+                           } }
+
+                # Create the VM
+                vm = vm_folder.CreateVM_Task(
+                    :config => vm_cfg,
+                    :pool   => rp
+                ).wait_for_completion
+
+                # Create the VM template
+                vm.MarkAsTemplate
+
+                ret['VCENTER_TEMPLATE_REF'] = vm._ref
+                ret['VCENTER_CCR_REF']      = host_ref
+                ret['VCENTER_INSTANCE_ID']  = uuid
+
+                ret.each do |key, value|
+                    ds.update("#{key}=\"#{value}\"", true)
+                end
+
+                ret
+            end
+
             def update_options_with_template(options, _validate = false)
                 vcenterrc_path =
                     "#{VAR_LOCATION}/remotes/etc/vmm/vcenter/vcenterrc"