From 7b4235dced0c66096638bebd5cc98a631538b0e1 Mon Sep 17 00:00:00 2001
From: Ilia Abashin <abashinos@gmail.com>
Date: Fri, 1 Sep 2017 15:51:52 +0300
Subject: Refactored link finders

Mappings are now defined in a configuration file and fetched dynamically.

Change-Id: I250c22967fc66fc0aca173d4c9d65581d879b5d2
Signed-off-by: Ilia Abashin <abashinos@gmail.com>
---
 .../link_finders/find_links_for_vconnectors.py     | 91 ++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 app/discover/link_finders/find_links_for_vconnectors.py

(limited to 'app/discover/link_finders/find_links_for_vconnectors.py')

diff --git a/app/discover/link_finders/find_links_for_vconnectors.py b/app/discover/link_finders/find_links_for_vconnectors.py
new file mode 100644
index 0000000..edb351a
--- /dev/null
+++ b/app/discover/link_finders/find_links_for_vconnectors.py
@@ -0,0 +1,91 @@
+###############################################################################
+# 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                                  #
+###############################################################################
+from discover.link_finders.find_links import FindLinks
+
+
+class FindLinksForVconnectors(FindLinks):
+    def __init__(self):
+        super().__init__()
+
+    def add_links(self):
+        vconnectors = self.inv.find_items({
+            "environment": self.get_env(),
+            "type": "vconnector"
+        })
+        self.log.info("adding links of type: vnic-vconnector, "
+                      "vconnector-host_pnic")
+        for vconnector in vconnectors:
+            for interface in vconnector["interfaces_names"]:
+                self.add_vnic_vconnector_link(vconnector, interface)
+                self.add_vconnector_pnic_link(vconnector, interface)
+
+    def add_vnic_vconnector_link(self, vconnector, interface_name):
+        mechanism_drivers = self.configuration.environment['mechanism_drivers']
+        is_ovs = mechanism_drivers and mechanism_drivers[0] == 'OVS'
+        if is_ovs:
+            # interface ID for OVS
+            vnic = self.inv.get_by_id(self.get_env(), interface_name)
+        else:
+            # interface ID for VPP - match interface MAC address to vNIC MAC
+            interface = vconnector['interfaces'][interface_name]
+            if not interface or 'mac_address' not in interface:
+                return
+            vnic_mac = interface['mac_address']
+            vnic = self.inv.get_by_field(self.get_env(), 'vnic',
+                                         'mac_address', vnic_mac,
+                                         get_single=True)
+        if not vnic:
+            return
+        host = vnic["host"]
+        source = vnic["_id"]
+        source_id = vnic["id"]
+        target = vconnector["_id"]
+        target_id = vconnector["id"]
+        link_type = "vnic-vconnector"
+        link_name = vnic["mac_address"]
+        state = "up"  # TBD
+        link_weight = 0  # TBD
+        attributes = {}
+        if 'network' in vnic:
+            attributes = {'network': vnic['network']}
+            vconnector['network'] = vnic['network']
+            self.inv.set(vconnector)
+        self.create_link(self.get_env(),
+                         source, source_id, target, target_id,
+                         link_type, link_name, state, link_weight,
+                         host=host,
+                         extra_attributes=attributes)
+
+    def add_vconnector_pnic_link(self, vconnector, interface):
+        ifname = interface['name'] if isinstance(interface, dict) else interface
+        if "." in ifname:
+            ifname = ifname[:ifname.index(".")]
+        host = vconnector["host"]
+        pnic = self.inv.find_items({
+            "environment": self.get_env(),
+            "type": "host_pnic",
+            "host": vconnector["host"],
+            "name": ifname
+        }, get_single=True)
+        if not pnic:
+            return
+        source = vconnector["_id"]
+        source_id = vconnector["id"]
+        target = pnic["_id"]
+        target_id = pnic["id"]
+        link_type = "vconnector-host_pnic"
+        link_name = pnic["name"]
+        state = "up"  # TBD
+        link_weight = 0  # TBD
+        self.create_link(self.get_env(),
+                         source, source_id,
+                         target, target_id,
+                         link_type, link_name, state, link_weight,
+                         host=host)
-- 
cgit 1.2.3-korg