Add get_vlans()

Author: luqasz

README.md

@@ -39,3 +39,4 @@ order matter.
 * get_bgp_neighbors
 * get_bgp_neighbors_detail
 * get_config
+* get_vlans

napalm_ros/ros.py

@@ -499,6 +499,19 @@ def ping(
 
         return dict(success=ping_results)
 
+    def get_vlans(self):
+        result = dict()
+        for row in self.api('/interface/bridge/vlan/print'):
+            for vid in row['vlan-ids'].split(','):
+                untagged = filter(None, row['untagged'].split(','))
+                tagged = filter(None, row['tagged'].split(','))
+                ifs = set(chain(untagged, tagged))
+                result[vid] = {
+                    "name": "",
+                    "interfaces": list(ifs),
+                }
+        return result
+
 
 def find_rows(rows, key, value):
     """

tests/unit/mocked_data/test_get_vlans/multi/_interface_bridge_vlan_print.json

@@ -0,0 +1,14 @@
+{
+    "data":
+    [
+        {
+            "disabled": false,
+            "comment": "",
+            "tagged": "ether1,ether2",
+            "untagged": "",
+            "vlan-ids": "10,20",
+            "bridge": "bridge1"
+        }
+    ]
+}
+

tests/unit/mocked_data/test_get_vlans/multi/expected_result.json

@@ -0,0 +1,16 @@
+{
+    "10": {
+        "name": "",
+        "interfaces": [
+            "ether2",
+            "ether1"
+        ]
+    },
+    "20": {
+        "name": "",
+        "interfaces": [
+            "ether2",
+            "ether1"
+        ]
+    }
+}