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###############################################################################
# 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.fetchers.api.api_access import ApiAccess
from discover.fetchers.db.db_access import DbAccess
from discover.fetchers.db.db_fetch_instances import DbFetchInstances
from utils.inventory_mgr import InventoryMgr
from utils.singleton import Singleton
class ApiFetchHostInstances(ApiAccess, DbAccess, metaclass=Singleton):
def __init__(self):
super(ApiFetchHostInstances, self).__init__()
self.inv = InventoryMgr()
self.endpoint = ApiAccess.base_url.replace(":5000", ":8774")
self.projects = None
self.db_fetcher = DbFetchInstances()
def get_projects(self):
if not self.projects:
projects_list = self.inv.get(self.get_env(), "project", None)
self.projects = [p["name"] for p in projects_list]
def get(self, id):
self.get_projects()
host_id = id[:id.rindex("-")]
host = self.inv.get_by_id(self.get_env(), host_id)
if not host or "Compute" not in host.get("host_type", ""):
return []
instances_found = self.get_instances_from_api(host_id)
self.db_fetcher.get_instance_data(instances_found)
return instances_found
def get_instances_from_api(self, host_name):
token = self.v2_auth_pwd(self.admin_project)
if not token:
return []
tenant_id = token["tenant"]["id"]
req_url = self.endpoint + "/v2/" + tenant_id + \
"/os-hypervisors/" + host_name + "/servers"
response = self.get_url(req_url, {"X-Auth-Token": token["id"]})
ret = []
if not "hypervisors" in response:
return []
if not "servers" in response["hypervisors"][0]:
return []
for doc in response["hypervisors"][0]["servers"]:
doc["id"] = doc["uuid"]
doc["host"] = host_name
doc["local_name"] = doc.pop("name")
ret.append(doc)
self.log.info("found %s instances for host: %s", str(len(ret)), host_name)
return ret
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