added lambda info retrieval

inventory_provider/db/ims_data.py

@@ -25,6 +25,28 @@ interface_generators = {
 }
 
 
+def get_geant_lambdas(ds: IMS):
+    circuit_nav_props = [
+        ims.CIRCUIT_PROPERTIES['Customer'],
+    ]
+    for c in ds.get_filtered_entities(
+            'Circuit',
+            'product.name == "geant lambda"',
+            circuit_nav_props,
+            step_count=1000):
+        key = c['extrainfo'].rsplit(':')[-1].lower()
+        if not key:
+            continue
+        yield key, {
+            'id': c['id'],
+            'name': c['name'],
+            'status': IMS_OPSDB_STATUS_MAP.get(
+                    InventoryStatus(c['inventorystatusid']), 'unknown'),
+            'project': c['customer']['name'],
+            'original_name': c['extrainfo']
+        }
+
+
 def get_fibre_info(ds: IMS):
     # get all the wdm ots circuits where each node is in a different location