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>
---
 app/discover/link_finders/find_links_for_vedges.py | 128 +++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 app/discover/link_finders/find_links_for_vedges.py

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

diff --git a/app/discover/link_finders/find_links_for_vedges.py b/app/discover/link_finders/find_links_for_vedges.py
new file mode 100644
index 0000000..f9719b4
--- /dev/null
+++ b/app/discover/link_finders/find_links_for_vedges.py
@@ -0,0 +1,128 @@
+###############################################################################
+# 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 FindLinksForVedges(FindLinks):
+    def __init__(self):
+        super().__init__()
+
+    def add_links(self):
+        self.log.info("adding link types: " +
+                      "vnic-vedge, vconnector-vedge, vedge-host_pnic")
+        vedges = self.inv.find_items({
+            "environment": self.get_env(),
+            "type": "vedge"
+        })
+        for vedge in vedges:
+            ports = vedge["ports"]
+            for p in ports.values():
+                self.add_link_for_vedge(vedge, p)
+
+    def add_link_for_vedge(self, vedge, port):
+        vnic = self.inv.get_by_id(self.get_env(),
+                                  vedge['host'] + '-' + port["name"])
+        if not vnic:
+            self.find_matching_vconnector(vedge, port)
+            self.find_matching_pnic(vedge, port)
+            return
+        source = vnic["_id"]
+        source_id = vnic["id"]
+        target = vedge["_id"]
+        target_id = vedge["id"]
+        link_type = "vnic-vedge"
+        link_name = vnic["name"] + "-" + vedge["name"]
+        if "tag" in port:
+            link_name += "-" + port["tag"]
+        state = "up"  # TBD
+        link_weight = 0  # TBD
+        source_label = vnic["mac_address"]
+        target_label = port["id"]
+        self.create_link(self.get_env(),
+                         source, source_id, target, target_id,
+                         link_type, link_name, state, link_weight,
+                         host=vedge["host"],
+                         extra_attributes={"source_label": source_label,
+                                           "target_label": target_label})
+
+    def find_matching_vconnector(self, vedge, port):
+        if self.configuration.has_network_plugin('VPP'):
+            vconnector_interface_name = port['name']
+        else:
+            if not port["name"].startswith("qv"):
+                return
+            base_id = port["name"][3:]
+            vconnector_interface_name = "qvb" + base_id
+        vconnector = self.inv.find_items({
+            "environment": self.get_env(),
+            "type": "vconnector",
+            "host": vedge['host'],
+            'interfaces_names': vconnector_interface_name},
+            get_single=True)
+        if not vconnector:
+            return
+        source = vconnector["_id"]
+        source_id = vconnector["id"]
+        target = vedge["_id"]
+        target_id = vedge["id"]
+        link_type = "vconnector-vedge"
+        link_name = "port-" + port["id"]
+        if "tag" in port:
+            link_name += "-" + port["tag"]
+        state = "up"  # TBD
+        link_weight = 0  # TBD
+        source_label = vconnector_interface_name
+        target_label = port["name"]
+        mac_address = "Unknown"
+        attributes = {'mac_address': mac_address, 'source_label': source_label,
+                      'target_label': target_label}
+        for interface in vconnector['interfaces'].values():
+            if vconnector_interface_name != interface['name']:
+                continue
+            if 'mac_address' not in interface:
+                continue
+            mac_address = interface['mac_address']
+            attributes['mac_address'] = mac_address
+            break
+        if 'network' in vconnector:
+            attributes['network'] = vconnector['network']
+        self.create_link(self.get_env(),
+                         source, source_id, target, target_id,
+                         link_type, link_name, state, link_weight,
+                         host=vedge["host"],
+                         extra_attributes=attributes)
+
+    def find_matching_pnic(self, vedge, port):
+        pname = port["name"]
+        if "pnic" in vedge:
+            if pname != vedge["pnic"]:
+                return
+        elif self.configuration.has_network_plugin('VPP'):
+            pass
+        pnic = self.inv.find_items({
+            "environment": self.get_env(),
+            "type": "host_pnic",
+            "host": vedge["host"],
+            "name": pname
+        }, get_single=True)
+        if not pnic:
+            return
+        source = vedge["_id"]
+        source_id = vedge["id"]
+        target = pnic["_id"]
+        target_id = pnic["id"]
+        link_type = "vedge-host_pnic"
+        link_name = "Port-" + port["id"]
+        state = "up" if pnic["Link detected"] == "yes" else "down"
+        link_weight = 0  # TBD
+        self.create_link(self.get_env(),
+                         source, source_id, target, target_id,
+                         link_type, link_name, state, link_weight,
+                         host=vedge["host"])
-- 
cgit 1.2.3-korg