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get_power_manager_epr.py
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get_power_manager_epr.py
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#
# _author_ = Mahendran P <[email protected]>
#
# Copyright (c) 2022 Dell EMC Corporation
#
# 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.
#
"""
#### Synopsis
Script to get Power Manager EPR applied for either Devices/Groups with optional filters
#### Descriptiontion
This script exercises the Power Manager REST API to get Emergency Power Reductions policy enabled for devices or groups.
- For authentication X-Auth is used over Basic Authentication
- Note that the credentials entered are not stored to disk.
#### Python Example
python get_power_manager_epr.py --ip <xx> --username <username> --password <pwd> --filterBy <filter_name> --filterValue <filter_value>
Output:
================================================
Power Manager Emergency Reduction Policy
================================================
EPR_POLICY_ID EPR_TYPE IS_EPR_POWERDOWN/THROTTLE? EPR_ENABLED? EPR_EXECUTION_STATE IS_EPR_ON_GROUP/DEVICE? GROUP/DEVICE_ASSIGNED_TO CREATED_TIME
13 MANUAL Throttle True SUCCESS Device 6W92WV2 2020-03-22 15:14:15.111016
"""
# Import the modules required for this script
import argparse
import json
import sys
from argparse import RawTextHelpFormatter
# Import the modules required for this script
from requests.packages.urllib3.exceptions import InsecureRequestWarning
try:
import urllib3
import requests
from columnar import columnar
except ModuleNotFoundError:
print("This program requires urllib3, requests, and columnar. To install them on most systems run "
"`pip install requests urllib3`")
sys.exit(0)
from requests.packages.urllib3.exceptions import InsecureRequestWarning
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
# EPR Type dictonary to display the output for better reading
EPR_type_dictionary = {
1: "MANUAL",
2: "TEMPERATURE-TRIGGERED"}
# EPR Execution State dictonary to display the output for better reading
EPR_execution_state_dictionary = {
1: "NOSTATE",
2: "EXECUTING",
3: "SUCCESS",
4: "PARTIAL_SUCCESS",
5: "FAILED"}
# IsEprPowerDown dictonary to display the output for better reading
IsEprPowerDown_dictionary = {
"True": "ShutDown",
"False": "Throttle"}
# IsAssociatedToGroup dictonary to display the output for better reading
IsAssociatedToGroup_dictionary = {
"True": "Group",
"False": "Device"}
def get_power_manager_EPR(ip_address, user_name, password, filterBY, filterValue):
""" Authenticate with OpenManage Enterprise, get power manager emergency power reduction policies"""
try:
# Defining Session URL & its headers
session_url = 'https://%s/api/SessionService/Sessions' % ip_address
headers = {'content-type': 'application/json'}
# Define Payload for posting session API
user_details = {'UserName': user_name,
'Password': password,
'SessionType': 'API'}
# Define the EPR URL basis the filter existance & type
if filterBY and filterValue:
if filterBY in ('Enabled', 'Type'):
EPR_url = "https://%s/api/PowerService/EPR?$filter=%s eq %s" % (ip_address, filterBY, filterValue)
else:
EPR_url = "https://%s/api/PowerService/EPR?$filter=contains(%s,'%s')" % (
ip_address, filterBY, filterValue)
else:
EPR_url = "https://%s/api/PowerService/EPR" % ip_address
# Defining OUTPUT format
output_column_headers = ['EPR_Policy_ID', 'EPR_Type', 'Is_EPR_PowerDown/Throttle?', 'EPR_Enabled?',
"EPR_Execution_State", "Is_EPR_on_Group/Device?", "Group/Device_Assigned_To",
"Created_Time"]
output_column_data = []
# Create the session with OpenManage Enterprise
session_info = requests.post(session_url, verify=False,
data=json.dumps(user_details),
headers=headers)
# If session doesn't create, message the user with error
if session_info.status_code != 201 & session_info.status_code != 200:
session_json_data = session_info.json()
if 'error' in session_json_data:
error_content = session_json_data['error']
if '@Message.ExtendedInfo' not in error_content:
print("Unable to create a session with %s" % ip_address)
else:
extended_error_content = error_content['@Message.ExtendedInfo']
print(
"Unable to create a session with %s. See below ExtendedInfo for more information" % ip_address)
print(extended_error_content[0]['Message'])
else:
print("Unable to create a session with %s. Please try again later" % ip_address)
else:
headers['X-Auth-Token'] = session_info.headers['X-Auth-Token']
# Get Power Manager EPR API call with OpenManage Enterprise
EPR_response = requests.get(EPR_url, headers=headers, verify=False)
EPR_json_data = EPR_response.json()
# If EPR API doesn't respond or failed, message the user with error
if EPR_response.status_code != 201 & EPR_response.status_code != 200:
if 'error' in EPR_json_data:
error_content = EPR_json_data['error']
if '@Message.ExtendedInfo' not in error_content:
print(
"Unable to retrieve Power Manager Emergency Power Reduction Policies from %s" % ip_address)
else:
extended_error_content = error_content['@Message.ExtendedInfo']
print(
"Unable to retrieve Power Manager Emergency Power Reduction Policies from %s. See below ExtendedInfo for more information" % ip_address)
print(extended_error_content[0]['Message'])
else:
print("Unable to retrieve Power Manager Emergency Power Reduction Policies from %s" % ip_address)
else:
EPR_count = EPR_json_data['@odata.count']
# If the EPR count is 0, then error out immediately
if EPR_count <= 0:
print("No Power Manager Emergency Power Reduction Policies created in %s" % ip_address)
else:
EPR_content = json.loads(EPR_response.content)
if EPR_content:
# For every elements in the EPR policies response, store the details in the table
for EPR_elem in EPR_content["value"]:
EPR_data = [EPR_elem["PolicyId"], EPR_type_dictionary[int(EPR_elem["Type"])],
IsEprPowerDown_dictionary[str(EPR_elem["IsEprPowerDown"])], EPR_elem["Enabled"],
EPR_execution_state_dictionary[int(EPR_elem["ExecutionState"])],
IsAssociatedToGroup_dictionary[str(EPR_elem["IsAssociatedToGroup"])],
EPR_elem["AssignedTo"], EPR_elem["CreatedTime"]]
output_column_data.append(EPR_data)
table = columnar(output_column_data, output_column_headers, no_borders=True)
print("\n ================================================")
print(" Power Manager Emergency Reduction Policy ")
print(" ================================================")
print(table)
else:
print("No Power Manager Emergency Power Reduction Policies created in %s" % ip_address)
except Exception as error:
print("Unexpected error:", str(error))
if __name__ == '__main__':
parser = argparse.ArgumentParser(description=__doc__, formatter_class=RawTextHelpFormatter)
parser.add_argument("--ip", "-i", required=True, help="OpenManage Enterprise IP <- Mandatory")
parser.add_argument("--username", "-u", required=False,
help="Username for OpenManage Enterprise <- Optional; default = admin", default="admin")
parser.add_argument("--password", "-p", required=True, help="Password for OpenManage Enterprise <- Mandatory")
parser.add_argument("--filterBy", "-b", required=False, help=''' Applicable Filters are:
Enabled - EPR Enabled state
AssignedTo - Device service tag or Group Name
Type - EPR Type
''', default=None)
parser.add_argument("--filterValue", "-v", required=False, help=''' Input value for filtersBy:
Enabled - true or false
AssignedTo - String Value
Type - 1-Manual; 2-Temperature-Triggered
''', default=None)
args = parser.parse_args()
print("WARNING: THIS SCRIPT IS EXPERIMENTAL.")
print("The Power Manager scripts were originally internal Dell scripts we then published externally. If you see "
"this message and are using one of these scripts it would be very helpful if you open an issue on GitHub "
"at https://github.com/dell/OpenManage-Enterprise/issues and tell us you are using the script. We have not "
"dedicated any resources to optimizing them but are happy to do so if we know the community is using them. "
"Likewise if you find a bug in one of these scripts feel free to open an issue and we will investigate.")
get_power_manager_EPR(args.ip, args.username, args.password, args.filterBy, args.filterValue)
print("WARNING: THIS SCRIPT IS EXPERIMENTAL.")
print("The Power Manager scripts were originally internal Dell scripts we then published externally. If you see "
"this message and are using one of these scripts it would be very helpful if you open an issue on GitHub "
"at https://github.com/dell/OpenManage-Enterprise/issues and tell us you are using the script. We have not "
"dedicated any resources to optimizing them but are happy to do so if we know the community is using them. "
"Likewise if you find a bug in one of these scripts feel free to open an issue and we will investigate.")