Save VM memory and cores as ansible variables

JIRA INFRA-640

app/network/views.py

@@ -180,9 +180,24 @@ def view_host(name):
                 flash(f"Only admin users are allowed to create a VM!", "info")
                 return redirect(url_for("network.view_host", name=name))
             else:
+                # Save the requested memory and cores as ansible variables
+                csentry_vars = {
+                    "csentry_vm_memory": int(form.memory.data) * 1024,
+                    "csentry_vm_cores": int(form.cores.data),
+                }
+                try:
+                    host.ansible_vars.update(csentry_vars)
+                    # If we don't flag the field as modified, it's not saved to the database
+                    # Might be because we update an existing directory
+                    sa.orm.attributes.flag_modified(host, "ansible_vars")
+                except AttributeError:
+                    host.ansible_vars = csentry_vars
                 interface = host.interfaces[0]
                 task = tasks.trigger_vm_creation(
-                    name, interface, int(form.memory.data) * 1000, form.cores.data
+                    name,
+                    interface,
+                    csentry_vars["csentry_vm_memory"],
+                    csentry_vars["csentry_vm_cores"],
                 )
                 db.session.commit()
                 current_app.logger.info(f"Creation of {name} requested: task {task.id}")