B OpenNebula/one#6716: Correct instances amount when instantiate (#3223)

* Now instantiates the correct number of instances specified for a
  service ServiceTemplate
* Default number of instances set to 1

Signed-off-by: Victor Hansson <vhansson@opennebula.io>
(cherry picked from commit 212aa91a3c59a5a9fa351d1be6fbd9e3d0f10a33)

src/fireedge/src/client/components/Forms/ServiceTemplate/InstantiateForm/Steps/General/schema.js

@@ -36,7 +36,9 @@ const INSTANCE_FIELD = {
   name: 'INSTANCES',
   label: T.NumberOfInstances,
   type: INPUT_TYPES.TEXT,
-  validation: number().required(),
+  validation: number()
+    .required()
+    .default(() => 1),
   fieldProps: {
     type: 'number',
   },

src/fireedge/src/client/components/Forms/ServiceTemplate/InstantiateForm/Steps/index.js

@@ -120,6 +120,7 @@ const Steps = createSteps([General, UserInputs, Network, Charter], {
         ),
       })),
       name: generalData?.NAME,
+      instances: generalData?.INSTANCES,
     }
 
     return formatTemplate

src/fireedge/src/client/containers/ServiceTemplates/Instantiate.js

@@ -62,11 +62,18 @@ function CreateServiceTemplate() {
   useGetDatastoresQuery(undefined, { refetchOnMountOrArgChange: false })
 
   const onSubmit = async (jsonTemplate) => {
+    const { instances = 1 } = jsonTemplate
+
     try {
-      await instantiate({
-        id: templateId,
-        template: jsonTemplate,
-      }).unwrap()
+      await Promise.all(
+        Array.from({ length: instances }, async () =>
+          instantiate({
+            id: templateId,
+            template: jsonTemplate,
+          }).unwrap()
+        )
+      )
+
       history.push(PATH.INSTANCE.SERVICES.LIST)
       enqueueSuccess(T.SuccessServiceTemplateInitiated, [templateId, NAME])
     } catch {}