python-redfish/redfish-client/redfish-client.py

331 lines
11 KiB
Python
Executable File

#!/usr/bin/python
# coding=utf-8
'''
redfish-client
Usage:
redfish-client.py [options] config add <manager_name> <manager_url> [<login>] [<password>]
redfish-client.py [options] config del <manager_name>
redfish-client.py [options] config modify <manager_name> (manager_name | url | login | password) <changed_value>
redfish-client.py [options] config show
redfish-client.py [options] config showall
redfish-client.py [options] manager getinfo [<manager_name>]
redfish-client.py (-h | --help)
redfish-client.py --version
Options:
-h --help Show this screen.
--version Show version.
--conf_file FILE Configuration file [default: ~/.redfish.conf].
--insecure Check SSL certificats
config commands : manage the configuration file.
manager commands : manage the manager (Ligh out management). If <manager_name>
is not provided use the 'default' entry
'''
import os
import sys
import json
import pprint
import docopt
import logging
from logging.handlers import RotatingFileHandler
import redfish
class ConfigFile(object):
'''redfisht-client configuration file management'''
def __init__(self, config_file):
'''Initialize the configuration file
Open and load configuration file data.
If the file does not exist create an empty one ready to receive data
:param config_file: File name of the configuration file
default: ~/.redfish.conf
:type str
:returns: Nothing
'''
self._config_file = config_file
# read json file
try:
with open(self._config_file) as json_data:
self.data = json.load(json_data)
json_data.close()
except (ValueError, IOError):
self.data = {'Managers': {}}
def save(self):
'''Save the configuration file data'''
try:
with open(self._config_file, 'w') as json_data:
json.dump(self.data, json_data)
json_data.close()
except IOError as e:
print(e.msg)
sys.exit(1)
def manager_incorect(self, exception):
''' Log and exit if manager name is incorect'''
logger.error('Incorect manager name : %s' % exception.args)
sys.exit(1)
def check_manager(self, manager_name):
'''Check if the manager exists in configuration file
:param manager_name: Name of the manager
:type str
'''
try:
if manager_name not in self.get_managers():
raise KeyError(manager_name)
except KeyError as e:
self.manager_incorect(e)
def add_manager(self, manager_name, url, login, password):
'''Add a manager to the configuration file
:param manager_name: Name of the manager
:type str
:param url: Url of the manager
:type str
:param login: Login of the manager
:type str
:param password: Password of the manager
:type str
'''
self.data['Managers'][manager_name] = {}
self.data['Managers'][manager_name]['url'] = url
if login is not None:
self.data['Managers'][manager_name]['login'] = login
if password is not None:
self.data['Managers'][manager_name]['password'] = password
def modify_manager(self, manager_name, parameter, parameter_value):
'''Modify the manager settings
:param manager name: Name of the manager
:type str
:param parameter: url | login | password
:type str
:param parameter_value: Value of the parameter
:type str
:returns: Nothing
'''
if parameter == 'url':
try:
self.data['Managers'][manager_name]['url'] = parameter_value
except KeyError as e:
self.manager_incorect(e)
elif parameter == 'login':
try:
self.data['Managers'][manager_name]['login'] = parameter_value
except KeyError as e:
self.manager_incorect(e)
elif parameter == 'password':
try:
self.data['Managers'][manager_name]['password'] = parameter_value
except KeyError as e:
self.manager_incorect(e)
elif parameter == 'manager_name':
# Create a new entry with the new name
self.add_manager(parameter_value,
self.data['Managers'][manager_name]['url'],
self.data['Managers'][manager_name]['login'],
self.data['Managers'][manager_name]['password'],
)
# Remove the previous one
self.delete_manager(manager_name)
def delete_manager(self, manager_name):
'''Delete manager
:param manager name: Name of the manager
:type str
:returns: Nothing
'''
try:
del self.data['Managers'][manager_name]
except KeyError as e:
self.manager_incorect(e)
def get_managers(self):
'''Get manager configured
:returns: Managers
:type list
'''
managers = []
for manager in self.data['Managers']:
managers += [manager]
return(managers)
def get_manager_info(self, manager):
'''Show manager info (url, login, password)
:param manager: Name of the manager
:type str
:returns: info containing url, login, password
:type dict
'''
info = {}
url = self.data['Managers'][manager]['url']
login = self.data['Managers'][manager]['login']
password = self.data['Managers'][manager]['password']
info = {'url': url, 'login': login, 'password': password}
return(info)
class RedfishClientException(Exception):
'''Base class for redfish client exceptions'''
def __init__(self, message=None, **kwargs):
self.kwargs = kwargs
self.message = message
if __name__ == '__main__':
'''Main application redfish-client'''
# Functions
def initialize_logger(redfish_logfile, logger_level):
'''Initialize a global loggeer to track application behaviour
:param redfish_logfile: log file name
:type str
:param logger_level: log level (logging.DEBUG, logging.ERROR, ...)
:type logging constant
:returns: True
'''
global logger
logger = logging.getLogger()
logger.setLevel(logger_level)
formatter = logging.Formatter(
'%(asctime)s :: %(levelname)s :: %(message)s'
)
file_handler = RotatingFileHandler(redfish_logfile, 'a', 1000000, 1)
# First logger to file
file_handler.setLevel(logger_level)
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
# Second logger to console
steam_handler = logging.StreamHandler()
steam_handler.setLevel(logger_level)
logger.addHandler(steam_handler)
return True
def show_manager(all=False):
'''Display manager info
:param all: Add login and password info
:type bool
:returns: Nothing
'''
print('Managers configured :')
for manager in conf_file.get_managers():
print(manager)
if all is True:
info = conf_file.get_manager_info(manager)
print('\tUrl : {}'.format(info['url']))
print('\tLogin : {}'.format(info['login']))
print('\tPassword : {}'.format(info['password']))
def get_manager_info(manager_name, check_SSL):
connection_parameters = conf_file.get_manager_info(manager_name)
remote_mgmt = redfish.connect(connection_parameters['url'],
connection_parameters['login'],
connection_parameters['password'],
verify_cert=check_SSL
)
print ('Redfish API version : %s \n' % remote_mgmt.get_api_version())
# Initialize logger
logger = None
initialize_logger('redfish-client.log', logging.DEBUG)
# Get $HOME environment.
HOME = os.getenv('HOME')
if HOME == '':
print('$HOME environment variable not set, please check your system')
sys.exit(1)
# Parse and manage arguments
arguments = docopt.docopt(__doc__, version='redfish-client 0.1')
logger.debug(arguments)
arguments['--conf_file'] = arguments['--conf_file'].replace('~', HOME)
conf_file = ConfigFile(arguments['--conf_file'])
if arguments['config'] is True:
if arguments['show'] is True:
show_manager()
elif arguments['showall'] is True:
show_manager(True)
elif arguments['add'] is True:
conf_file.add_manager(arguments['<manager_name>'],
arguments['<manager_url>'],
arguments['<login>'],
arguments['<password>'])
logger.debug(pprint.pprint(conf_file.data))
conf_file.save()
elif arguments['del'] is True:
conf_file.delete_manager(arguments['<manager_name>'])
logger.debug(pprint.pprint(conf_file.data))
conf_file.save()
elif arguments['modify'] is True:
if arguments['url'] is not False:
conf_file.modify_manager(arguments['<manager_name>'],
'url',
arguments['<changed_value>'])
elif arguments['login'] is not False:
conf_file.modify_manager(arguments['<manager_name>'],
'login',
arguments['<changed_value>'])
elif arguments['password'] is not False:
conf_file.modify_manager(arguments['<manager_name>'],
'password',
arguments['<changed_value>'])
elif arguments['manager_name'] is not False:
conf_file.modify_manager(arguments['<manager_name>'],
'manager_name',
arguments['<changed_value>'])
logger.debug(pprint.pprint(conf_file.data))
conf_file.save()
if arguments['manager'] is True:
if arguments['getinfo'] is True:
# If manager is not defined set it to 'default'
if not arguments['<manager_name>']:
manager_name = 'default'
# Check if the default section is available in our conf file
conf_file.check_manager(manager_name)
if arguments['--insecure'] is True:
get_manager_info(manager_name, False)
else:
get_manager_info(manager_name, True)
sys.exit(0)