1 files changed, 68 insertions, 0 deletions
diff --git a/app/discover/fetchers/cli/cli_fetch_instance_vnics_base.py b/app/discover/fetchers/cli/cli_fetch_instance_vnics_base.py
new file mode 100644
index 0000000..4de1840
--- /dev/null
+++ b/app/discover/fetchers/cli/cli_fetch_instance_vnics_base.py
@@ -0,0 +1,68 @@
+###############################################################################
+# Copyright (c) 2017 Koren Lev (Cisco Systems), Yaron Yogev (Cisco Systems)   #
+# and others                                                                  #
+#                                                                             #
+# All rights reserved. This program and the accompanying materials            #
+# are made available under the terms of the Apache License, Version 2.0       #
+# which accompanies this distribution, and is available at                    #
+# http://www.apache.org/licenses/LICENSE-2.0                                  #
+###############################################################################
+import xmltodict
+
+from discover.fetchers.cli.cli_access import CliAccess
+from utils.inventory_mgr import InventoryMgr
+
+
+class CliFetchInstanceVnicsBase(CliAccess):
+    def __init__(self):
+        super().__init__()
+        self.inv = InventoryMgr()
+
+    def get(self, id):
+        instance_uuid = id[:id.rindex('-')]
+        instance = self.inv.get_by_id(self.get_env(), instance_uuid)
+        if not instance:
+            return []
+        host = self.inv.get_by_id(self.get_env(), instance["host"])
+        if not host or "Compute" not in host["host_type"]:
+            return []
+        lines = self.run_fetch_lines("virsh list", instance["host"])
+        del lines[:2]  # remove header
+        virsh_ids = [l.split()[0] for l in lines if l > ""]
+        results = []
+        # Note: there are 2 ids here of instances with local names, which are
+        # not connected to the data we have thus far for the instance
+        # therefore, we will decide whether the instance is the correct one
+        # based on comparison of the uuid in the dumpxml output
+        for id in virsh_ids:
+            results.extend(self.get_vnics_from_dumpxml(id, instance))
+        return results
+
+    def get_vnics_from_dumpxml(self, id, instance):
+        xml_string = self.run("virsh dumpxml " + id, instance["host"])
+        if not xml_string.strip():
+            return []
+        response = xmltodict.parse(xml_string)
+        if instance["uuid"] != response["domain"]["uuid"]:
+            # this is the wrong instance - skip it
+            return []
+        try:
+            vnics = response["domain"]["devices"]["interface"]
+        except KeyError:
+            return []
+        if isinstance(vnics, dict):
+            vnics = [vnics]
+        for v in vnics:
+            self.set_vnic_properties(v, instance)
+        return vnics
+
+    def set_vnic_properties(self, v, instance):
+        v["name"] = self.get_vnic_name(v, instance)
+        v["id"] = v["name"]
+        v["vnic_type"] = "instance_vnic"
+        v["host"] = instance["host"]
+        v["instance_id"] = instance["id"]
+        v["instance_db_id"] = instance["_id"]
+        v["mac_address"] = v["mac"]["@address"]
+        instance["mac_address"] = v["mac_address"]
+        self.inv.set(instance)