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get_group_list.py
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get_group_list.py
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#
# _author_ = Raajeev Kalyanaraman <Raajeev.Kalyanaraman@Dell.com>
#
# 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 the list of groups managed by OM Enterprise
#### Description
This script uses the OME REST API to get a list of groups
currently being managed by that instance. For authentication X-Auth
is used over Basic Authentication
Note that the credentials entered are not stored to disk.
#### Python Example
`python get_group_list.py --ip <xx> --user <username> --password <pwd>`
"""
import argparse
import json
import pprint
import sys
from argparse import RawTextHelpFormatter
from getpass import getpass
import requests
import urllib3
def get_group_list(ome_ip_address, user_name, ome_password):
""" Authenticate with OME and enumerate groups """
try:
session_url = 'https://%s/api/SessionService/Sessions' % ome_ip_address
headers = {'content-type': 'application/json'}
user_details = {'UserName': user_name,
'Password': ome_password,
'SessionType': 'API'}
group_data = None
next_link_url = 'https://%s/api/GroupService/Groups' % ome_ip_address
session_info = requests.post(session_url, verify=False,
data=json.dumps(user_details),
headers=headers)
if session_info.status_code == 201:
headers['X-Auth-Token'] = session_info.headers['X-Auth-Token']
while next_link_url is not None:
group_response = requests.get(next_link_url, headers=headers, verify=False)
next_link_url = None
if group_response.status_code == 200:
data = group_response.json()
if data['@odata.count'] <= 0:
print("No subgroups of static groups found on OME server: " + ome_ip_address)
return 0
if '@odata.nextLink' in data:
next_link_url = "https://%s" + data['@odata.nextLink']
if group_data is None:
group_data = data["value"]
else:
group_data += data["value"]
else:
print("Unable to retrieve group list from %s" % ome_ip_address)
sys.exit(1)
pprint.pprint(group_data)
except Exception as error:
print("Encountered an error: " + str(error))
sys.exit(1)
if __name__ == '__main__':
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
parser = argparse.ArgumentParser(description=__doc__, formatter_class=RawTextHelpFormatter)
parser.add_argument("--ip", "-i", required=True, help="OME Appliance IP")
parser.add_argument("--user", "-u", required=False,
help="Username for OME Appliance", default="admin")
parser.add_argument("--password", "-p", required=False,
help="Password for OME Appliance")
args = parser.parse_args()
if not args.password:
if not sys.stdin.isatty():
# notify user that they have a bad terminal
# perhaps if os.name == 'nt': , prompt them to use winpty?
print("Your terminal is not compatible with Python's getpass module. You will need to provide the"
" --password argument instead. See https://stackoverflow.com/a/58277159/4427375")
sys.exit(0)
else:
password = getpass()
else:
password = args.password
get_group_list(args.ip, args.user, password)