diff options
Diffstat (limited to 'app/discover/fetchers/aci/aci_fetch_switch_pnic.py')
-rw-r--r-- | app/discover/fetchers/aci/aci_fetch_switch_pnic.py | 215 |
1 files changed, 107 insertions, 108 deletions
diff --git a/app/discover/fetchers/aci/aci_fetch_switch_pnic.py b/app/discover/fetchers/aci/aci_fetch_switch_pnic.py index 09157b6..cd82d7e 100644 --- a/app/discover/fetchers/aci/aci_fetch_switch_pnic.py +++ b/app/discover/fetchers/aci/aci_fetch_switch_pnic.py @@ -1,108 +1,107 @@ -###############################################################################
-# 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 re
-
-from discover.fetchers.aci.aci_access import AciAccess, aci_config_required
-from utils.inventory_mgr import InventoryMgr
-from utils.util import encode_aci_dn, get_object_path_part
-
-
-# Fetches and adds to database:
-# 1. ACI Switch
-#
-# Returns:
-# 1. ACI Switch pnic that belongs to the ACI Switch (mentioned above)
-# and is connected to Calipso host pnic.
-class AciFetchSwitchPnic(AciAccess):
-
- def __init__(self):
- super().__init__()
- self.inv = InventoryMgr()
-
- def fetch_pnics_by_mac_address(self, mac_address):
- mac_filter = "eq(epmMacEp.addr,\"{}\")".format(mac_address)
- # We are only interested in Ethernet interfaces
- pnic_filter = "wcard(epmMacEp.ifId, \"eth\")"
- query_filter = {"query-target-filter":
- "and({},{})".format(mac_filter, pnic_filter)}
-
- pnics = self.fetch_objects_by_class("epmMacEp", query_filter)
-
- return [pnic["attributes"] for pnic in pnics]
-
- def fetch_switch_by_id(self, switch_id):
- dn = "/".join((switch_id, "sys"))
- response = self.fetch_mo_data(dn)
- # Unwrap switches
- switch_data = self.get_objects_by_field_names(response, "topSystem",
- "attributes")
- return switch_data[0] if switch_data else None
-
- @aci_config_required(default=[])
- def get(self, pnic_id):
- environment = self.get_env()
- pnic = self.inv.get_by_id(environment=environment, item_id=pnic_id)
- if not pnic:
- return []
- mac_address = pnic.get("mac_address")
- if not mac_address:
- return []
-
- # Query ACI for related switch pnic
- leaf_pnics = self.fetch_pnics_by_mac_address(mac_address)
- if not leaf_pnics:
- return []
- leaf_pnic = leaf_pnics[0]
-
- # Prepare and save switch data in inventory
- leaf_id_match = re.match("topology/(.+)/sys", leaf_pnic["dn"])
- if not leaf_id_match:
- raise ValueError("Failed to fetch leaf switch id from pnic dn: {}"
- .format(leaf_pnic["dn"]))
-
- aci_leaf_id = leaf_id_match.group(1)
- leaf_data = self.fetch_switch_by_id(aci_leaf_id)
- if not leaf_data:
- self.log.warning("No switch found for switch pnic dn: {}"
- .format(leaf_pnic["dn"]))
- return []
-
- db_leaf_id = "-".join(("switch", encode_aci_dn(aci_leaf_id),
- leaf_data["role"]))
- if not self.inv.get_by_id(environment, db_leaf_id):
- leaf_json = {
- "id": db_leaf_id,
- "ip_address": leaf_data["address"],
- "type": "switch",
- "host": db_leaf_id,
- "aci_document": leaf_data
- }
- # Region name is the same as region id
- region_id = get_object_path_part(pnic["name_path"], "Regions")
- region = self.inv.get_by_id(environment, region_id)
- self.inv.save_inventory_object(o=leaf_json, parent=region,
- environment=environment)
-
- # Prepare pnic json for results list
- db_pnic_id = "-".join((db_leaf_id,
- encode_aci_dn(leaf_pnic["ifId"]),
- mac_address))
- pnic_json = {
- "id": db_pnic_id,
- "type": "pnic",
- "role": "hostlink",
- "parent_id": db_leaf_id,
- "parent_type": "switch",
- "pnic_type": "switch",
- "mac_address": mac_address,
- "switch": db_leaf_id,
- "aci_document": leaf_pnic
- }
- return [pnic_json]
+############################################################################### +# 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 re + +from discover.fetchers.aci.aci_access import AciAccess, aci_config_required +from utils.inventory_mgr import InventoryMgr +from utils.util import encode_aci_dn, get_object_path_part + + +# Fetches and adds to database: +# 1. ACI Switch +# +# Returns: +# 1. ACI Switch pnic that belongs to the ACI Switch (mentioned above) +# and is connected to Calipso host pnic. +class AciFetchSwitchPnic(AciAccess): + + def __init__(self): + super().__init__() + self.inv = InventoryMgr() + + def fetch_pnics_by_mac_address(self, mac_address): + mac_filter = "eq(epmMacEp.addr,\"{}\")".format(mac_address) + # We are only interested in Ethernet interfaces + pnic_filter = "wcard(epmMacEp.ifId, \"eth\")" + query_filter = {"query-target-filter": + "and({},{})".format(mac_filter, pnic_filter)} + + pnics = self.fetch_objects_by_class("epmMacEp", query_filter) + + return [pnic["attributes"] for pnic in pnics] + + def fetch_switch_by_id(self, switch_id): + dn = "/".join((switch_id, "sys")) + response = self.fetch_mo_data(dn) + # Unwrap switches + switch_data = self.get_objects_by_field_names(response, "topSystem", + "attributes") + return switch_data[0] if switch_data else None + + @aci_config_required(default=[]) + def get(self, pnic_id): + environment = self.get_env() + pnic = self.inv.get_by_id(environment=environment, item_id=pnic_id) + if not pnic: + return [] + mac_address = pnic.get("mac_address") + if not mac_address: + return [] + + # Query ACI for related switch pnic + leaf_pnics = self.fetch_pnics_by_mac_address(mac_address) + if not leaf_pnics: + return [] + leaf_pnic = leaf_pnics[0] + + # Prepare and save switch data in inventory + leaf_id_match = re.match("topology/(.+)/sys", leaf_pnic["dn"]) + if not leaf_id_match: + raise ValueError("Failed to fetch leaf switch id from pnic dn: {}" + .format(leaf_pnic["dn"])) + + aci_leaf_id = leaf_id_match.group(1) + leaf_data = self.fetch_switch_by_id(aci_leaf_id) + if not leaf_data: + self.log.warning("No switch found for switch pnic dn: {}" + .format(leaf_pnic["dn"])) + return [] + + db_leaf_id = "-".join(("switch", encode_aci_dn(aci_leaf_id), + leaf_data["role"])) + if not self.inv.get_by_id(environment, db_leaf_id): + leaf_json = { + "id": db_leaf_id, + "ip_address": leaf_data["address"], + "type": "switch", + "host": db_leaf_id, + "aci_document": leaf_data + } + # Region name is the same as region id + region_id = get_object_path_part(pnic["name_path"], "Regions") + region = self.inv.get_by_id(environment, region_id) + self.inv.save_inventory_object(o=leaf_json, parent=region, + environment=environment) + + # Prepare pnic json for results list + db_pnic_id = "-".join((db_leaf_id, + encode_aci_dn(leaf_pnic["ifId"]), + mac_address)) + pnic_json = { + "id": db_pnic_id, + "type": "switch_pnic", + "role": "hostlink", + "parent_id": db_leaf_id, + "parent_type": "switch", + "mac_address": mac_address, + "switch": db_leaf_id, + "aci_document": leaf_pnic + } + return [pnic_json] |