Return what is supported by a compute node

Ref https://github.com/GNS3/gns3-gui/issues/1448

gns3server/schemas/capabilities.py

@@ -0,0 +1,37 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2015 GNS3 Technologies Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from .node import NODE_TYPE_SCHEMA
+
+
+CAPABILITIES_SCHEMA = {
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "description": "Get what a server support",
+    "type": "object",
+    "required": ["version", "node_types"],
+    "properties": {
+        "version": {
+            "description": "Version number",
+            "type": ["string", "null"],
+        },
+        "node_types": {
+            "type": "array",
+            "items": NODE_TYPE_SCHEMA
+        }
+    },
+    "additionalProperties": False
+}

gns3server/schemas/compute.py

@@ -15,6 +15,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+from .capabilities import CAPABILITIES_SCHEMA
 
 COMPUTE_CREATE_SCHEMA = {
     "$schema": "http://json-schema.org/draft-04/schema#",
@@ -102,10 +103,7 @@ COMPUTE_OBJECT_SCHEMA = {
             "maximum": 100,
             "minimum": 0
         },
-        "version": {
-            "description": "Version of the GNS3 remote compute server",
-            "type": ["string", "null"]
-        }
+        "capabilities": CAPABILITIES_SCHEMA
     },
     "additionalProperties": False,
     "required": ["compute_id", "protocol", "host", "port", "name"]

gns3server/schemas/node.py

@@ -17,6 +17,25 @@
 
 from .label import LABEL_OBJECT_SCHEMA
 
+NODE_TYPE_SCHEMA = {
+    "description": "Type of node",
+    "enum": [
+        "cloud",
+        "nat",
+        "ethernet_hub",
+        "ethernet_switch",
+        "frame_relay_switch",
+        "atm_switch",
+        "docker",
+        "dynamips",
+        "vpcs",
+        "virtualbox",
+        "vmware",
+        "iou",
+        "qemu"
+    ]
+}
+
 NODE_LIST_IMAGES_SCHEMA = {
     "$schema": "http://json-schema.org/draft-04/schema#",
     "description": "List of binary images",
@@ -87,22 +106,7 @@ NODE_OBJECT_SCHEMA = {
             "maxLength": 36,
             "pattern": "^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$"
         },
-        "node_type": {
-            "description": "Type of node",
-            "enum": ["cloud",
-                     "nat",
-                     "ethernet_hub",
-                     "ethernet_switch",
-                     "frame_relay_switch",
-                     "atm_switch",
-                     "docker",
-                     "dynamips",
-                     "vpcs",
-                     "virtualbox",
-                     "vmware",
-                     "iou",
-                     "qemu"]
-        },
+        "node_type": NODE_TYPE_SCHEMA,
         "node_directory": {
             "description": "Working directory of the node. Read only",
             "type": ["null", "string"]