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# Copyright 2020 Hewlett Packard Enterprise Development LP
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
# -*- coding: utf-8 -*-
"""
An example of gathering the power metrics average on HPE iLO systems
"""
import sys
import json
from redfish import RedfishClient
from redfish.rest.v1 import ServerDownOrUnreachableError
#from get_resource_directory import get_resource_directory
def get_powermetrics_average(_redfishobj):
power_metrics_uri = None
resource_instances = _redfishobj.get_resource_directory()
if DISABLE_RESOURCE_DIR or not resource_instances:
#if we do not have a resource directory or want to force it's non use to find the
#relevant URI
chassis_uri = _redfishobj.root.obj['Chassis']['@odata.id']
chassis_response = _redfishobj.get(chassis_uri)
chassis_members_uri = next(iter(chassis_response.obj['Members']))['@odata.id']
chassis_members_response = _redfishobj.get(chassis_members_uri)
power_metrics_uri = chassis_members_response.obj.Oem.Hpe['Power']['@odata.id']
else:
for instance in resource_instances:
#Use Resource directory to find the relevant URI
if '#Power.' in instance['@odata.type']:
power_metrics_uri = instance['@odata.id']
break
if power_metrics_uri:
power_metrics_data = _redfishobj.get(power_metrics_uri).obj.Oem.Hpe
print("\n\nPower Data:\n\n")
print(json.dumps(power_metrics_data, indent=4, sort_keys=True))
if __name__ == "__main__":
# When running on the server locally use the following commented values
#SYSTEM_URL = None
#LOGIN_ACCOUNT = None
#LOGIN_PASSWORD = None
# When running remotely connect using the secured (https://) address,
# account name, and password to send https requests
# SYSTEM_URL acceptable examples:
# "https://10.0.0.100"
# "https://ilo.hostname"
SYSTEM_URL = input("Enter iLO IP address: ")
LOGIN_ACCOUNT = input("Enter Username: ")
LOGIN_PASSWORD = input("Enter password: ")
# flag to force disable resource directory. Resource directory and associated operations are
# intended for HPE servers.
DISABLE_RESOURCE_DIR = False
try:
# Create a Redfish client object
REDFISHOBJ = RedfishClient(base_url=SYSTEM_URL, username=LOGIN_ACCOUNT, \
password=LOGIN_PASSWORD)
# Login with the Redfish client
REDFISHOBJ.login()
except ServerDownOrUnreachableError as excp:
sys.stderr.write("ERROR: server not reachable or does not support RedFish.\n")
sys.exit()
get_powermetrics_average(REDFISHOBJ)
REDFISHOBJ.logout()
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