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# -*- coding: utf-8 -*-
import errno
import inspect
from ast import literal_eval
from typing import Any
from mgr_module import CLICheckNonemptyFileInput
from . import mgr
class Setting:
"""
Setting representation that allows to set a default value and a list of allowed data types.
:param default_value: The name of the bucket.
:param types: a list consisting of the primary/preferred type and, optionally,
secondary/legacy types for backward compatibility.
"""
def __init__(self, default_value: Any, types: list):
if not isinstance(types, list):
raise ValueError('Setting types must be a list.')
default_value_type = type(default_value)
if default_value_type not in types:
raise ValueError('Default value type not allowed.')
self.default_value = default_value
self.types = types
def types_as_str(self):
return ','.join([x.__name__ for x in self.types])
def cast(self, value):
for type_index, setting_type in enumerate(self.types):
try:
if setting_type.__name__ == 'bool' and str(value).lower() == 'false':
return False
elif setting_type.__name__ == 'dict':
return literal_eval(value)
return setting_type(value)
except (SyntaxError, TypeError, ValueError) as error:
if type_index == len(self.types) - 1:
raise error
class Options(object):
"""
If you need to store some configuration value please add the config option
name as a class attribute to this class.
Example::
GRAFANA_API_HOST = ('localhost', str)
GRAFANA_API_PORT = (3000, int)
"""
ENABLE_BROWSABLE_API = Setting(True, [bool])
REST_REQUESTS_TIMEOUT = Setting(45, [int])
# AUTHENTICATION ATTEMPTS
ACCOUNT_LOCKOUT_ATTEMPTS = Setting(10, [int])
# API auditing
AUDIT_API_ENABLED = Setting(False, [bool])
AUDIT_API_LOG_PAYLOAD = Setting(True, [bool])
# RGW settings
RGW_API_ACCESS_KEY = Setting('', [dict, str])
RGW_API_SECRET_KEY = Setting('', [dict, str])
RGW_API_ADMIN_RESOURCE = Setting('admin', [str])
RGW_API_SSL_VERIFY = Setting(True, [bool])
# Ceph Issue Tracker API Access Key
ISSUE_TRACKER_API_KEY = Setting('', [str])
# Grafana settings
GRAFANA_API_URL = Setting('', [str])
GRAFANA_FRONTEND_API_URL = Setting('', [str])
GRAFANA_API_USERNAME = Setting('admin', [str])
GRAFANA_API_PASSWORD = Setting('admin', [str])
GRAFANA_API_SSL_VERIFY = Setting(True, [bool])
GRAFANA_UPDATE_DASHBOARDS = Setting(False, [bool])
# NFS Ganesha settings
GANESHA_CLUSTERS_RADOS_POOL_NAMESPACE = Setting('', [str])
# Prometheus settings
PROMETHEUS_API_HOST = Setting('', [str])
PROMETHEUS_API_SSL_VERIFY = Setting(True, [bool])
ALERTMANAGER_API_HOST = Setting('', [str])
ALERTMANAGER_API_SSL_VERIFY = Setting(True, [bool])
# iSCSI management settings
ISCSI_API_SSL_VERIFICATION = Setting(True, [bool])
# user management settings
# Time span of user passwords to expire in days.
# The default value is '0' which means that user passwords are
# never going to expire.
USER_PWD_EXPIRATION_SPAN = Setting(0, [int])
# warning levels to notify the user that the password is going
# to expire soon
USER_PWD_EXPIRATION_WARNING_1 = Setting(10, [int])
USER_PWD_EXPIRATION_WARNING_2 = Setting(5, [int])
# Password policy
PWD_POLICY_ENABLED = Setting(True, [bool])
# Individual checks
PWD_POLICY_CHECK_LENGTH_ENABLED = Setting(True, [bool])
PWD_POLICY_CHECK_OLDPWD_ENABLED = Setting(True, [bool])
PWD_POLICY_CHECK_USERNAME_ENABLED = Setting(False, [bool])
PWD_POLICY_CHECK_EXCLUSION_LIST_ENABLED = Setting(False, [bool])
PWD_POLICY_CHECK_COMPLEXITY_ENABLED = Setting(False, [bool])
PWD_POLICY_CHECK_SEQUENTIAL_CHARS_ENABLED = Setting(False, [bool])
PWD_POLICY_CHECK_REPETITIVE_CHARS_ENABLED = Setting(False, [bool])
# Settings
PWD_POLICY_MIN_LENGTH = Setting(8, [int])
PWD_POLICY_MIN_COMPLEXITY = Setting(10, [int])
PWD_POLICY_EXCLUSION_LIST = Setting(','.join(['osd', 'host', 'dashboard', 'pool',
'block', 'nfs', 'ceph', 'monitors',
'gateway', 'logs', 'crush', 'maps']),
[str])
UNSAFE_TLS_v1_2 = Setting(False, [bool])
@staticmethod
def has_default_value(name):
return getattr(Settings, name, None) is None or \
getattr(Settings, name) == getattr(Options, name).default_value
class SettingsMeta(type):
def __getattr__(cls, attr):
setting = getattr(Options, attr)
return setting.cast(mgr.get_module_option(attr, setting.default_value))
def __setattr__(cls, attr, value):
if not attr.startswith('_') and hasattr(Options, attr):
mgr.set_module_option(attr, str(value))
else:
setattr(SettingsMeta, attr, value)
def __delattr__(cls, attr):
if not attr.startswith('_') and hasattr(Options, attr):
mgr.set_module_option(attr, None)
# pylint: disable=no-init
class Settings(object, metaclass=SettingsMeta):
pass
def _options_command_map():
def filter_attr(member):
return not inspect.isroutine(member)
cmd_map = {}
for option, setting in inspect.getmembers(Options, filter_attr):
if option.startswith('_'):
continue
key_get = 'dashboard get-{}'.format(option.lower().replace('_', '-'))
key_set = 'dashboard set-{}'.format(option.lower().replace('_', '-'))
key_reset = 'dashboard reset-{}'.format(option.lower().replace('_', '-'))
cmd_map[key_get] = {'name': option, 'type': None}
cmd_map[key_set] = {'name': option, 'type': setting.types_as_str()}
cmd_map[key_reset] = {'name': option, 'type': None}
return cmd_map
_OPTIONS_COMMAND_MAP = _options_command_map()
def options_command_list():
"""
This function generates a list of ``get`` and ``set`` commands
for each declared configuration option in class ``Options``.
"""
def py2ceph(pytype):
if pytype == str:
return 'CephString'
elif pytype == int:
return 'CephInt'
return 'CephString'
cmd_list = []
for cmd, opt in _OPTIONS_COMMAND_MAP.items():
if cmd.startswith('dashboard get'):
cmd_list.append({
'cmd': '{}'.format(cmd),
'desc': 'Get the {} option value'.format(opt['name']),
'perm': 'r'
})
elif cmd.startswith('dashboard set'):
cmd_entry = {
'cmd': '{} name=value,type={}'
.format(cmd, py2ceph(opt['type'])),
'desc': 'Set the {} option value'.format(opt['name']),
'perm': 'w'
}
if handles_secret(cmd):
cmd_entry['cmd'] = cmd
cmd_entry['desc'] = '{} read from -i <file>'.format(cmd_entry['desc'])
cmd_list.append(cmd_entry)
elif cmd.startswith('dashboard reset'):
desc = 'Reset the {} option to its default value'.format(
opt['name'])
cmd_list.append({
'cmd': '{}'.format(cmd),
'desc': desc,
'perm': 'w'
})
return cmd_list
def options_schema_list():
def filter_attr(member):
return not inspect.isroutine(member)
result = []
for option, setting in inspect.getmembers(Options, filter_attr):
if option.startswith('_'):
continue
result.append({'name': option, 'default': setting.default_value,
'type': setting.types_as_str()})
return result
def handle_option_command(cmd, inbuf):
if cmd['prefix'] not in _OPTIONS_COMMAND_MAP:
return -errno.ENOSYS, '', "Command not found '{}'".format(cmd['prefix'])
opt = _OPTIONS_COMMAND_MAP[cmd['prefix']]
if cmd['prefix'].startswith('dashboard reset'):
delattr(Settings, opt['name'])
return 0, 'Option {} reset to default value "{}"'.format(
opt['name'], getattr(Settings, opt['name'])), ''
elif cmd['prefix'].startswith('dashboard get'):
return 0, str(getattr(Settings, opt['name'])), ''
elif cmd['prefix'].startswith('dashboard set'):
if handles_secret(cmd['prefix']):
value, stdout, stderr = get_secret(inbuf=inbuf)
if stderr:
return value, stdout, stderr
else:
value = cmd['value']
setting = getattr(Options, opt['name'])
setattr(Settings, opt['name'], setting.cast(value))
return 0, 'Option {} updated'.format(opt['name']), ''
def handles_secret(cmd: str) -> bool:
return bool([cmd for secret_word in ['password', 'key'] if (secret_word in cmd)])
@CLICheckNonemptyFileInput(desc='password/secret')
def get_secret(inbuf=None):
return inbuf, None, None
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