110 lines
3.5 KiB
Python
110 lines
3.5 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
import netaddr
|
|
import os
|
|
import uuid
|
|
|
|
from .utils import ScriptRunner, force_ip
|
|
from .exceptions import ParamProcessingError, NetworkError
|
|
|
|
|
|
__all__ = ('ParamProcessingError', 'process_cidr', 'process_host',
|
|
'process_ssh_key')
|
|
|
|
|
|
def process_cidr(param, param_name, config=None):
|
|
"""
|
|
Corrects given CIDR if necessary.
|
|
"""
|
|
if '/' not in param:
|
|
# we need to skip this if single IP address has been given
|
|
return param
|
|
try:
|
|
return str(netaddr.IPNetwork(param).cidr)
|
|
except Exception as ex:
|
|
raise ParamProcessingError(str(ex))
|
|
|
|
|
|
def process_host(param, param_name, config=None):
|
|
"""
|
|
Tries to change given parameter to IP address, if it is in hostname
|
|
format
|
|
"""
|
|
try:
|
|
return force_ip(param, allow_localhost=True)
|
|
except NetworkError as ex:
|
|
raise ParamProcessingError(str(ex))
|
|
|
|
|
|
def process_ssh_key(param, param_name, config=None):
|
|
"""
|
|
Generates SSH key if given key in param doesn't exist. In case param
|
|
is an empty string it generates default SSH key ($HOME/.ssh/id_rsa).
|
|
"""
|
|
def create_key(path):
|
|
# make path absolute
|
|
path = os.path.expanduser(path)
|
|
path = os.path.abspath(path)
|
|
# create new ssh key
|
|
local = ScriptRunner()
|
|
local.append('ssh-keygen -f "%s" -N ""' % path)
|
|
local.execute()
|
|
|
|
if not param:
|
|
key_file = '%s/.ssh/id_rsa' % os.environ["HOME"]
|
|
param = '%s.pub' % key_file
|
|
if not os.path.isfile(param):
|
|
create_key(key_file)
|
|
elif not os.path.isfile(param):
|
|
key_file = param.endswith('.pub') and param[:-4] or param
|
|
param = param.endswith('.pub') and param or ('%s.pub' % param)
|
|
create_key(key_file)
|
|
return param
|
|
|
|
|
|
def process_add_quotes_around_values(param, param_name, config=None):
|
|
"""
|
|
Add a single quote character around each element of a comma
|
|
separated list of values
|
|
"""
|
|
params_list = param.split(',')
|
|
for index, elem in enumerate(params_list):
|
|
if not elem.startswith("'"):
|
|
elem = "'" + elem
|
|
if not elem.endswith("'"):
|
|
elem = elem + "'"
|
|
params_list[index] = elem
|
|
param = ','.join(params_list)
|
|
return param
|
|
|
|
|
|
def process_password(param, param_name, config=None):
|
|
"""
|
|
Process passwords, checking the following:
|
|
1- If there is a user-entered password, use it
|
|
2- Otherwise, check for a global default password, and use it if available
|
|
3- As a last resort, generate a random password
|
|
"""
|
|
if not hasattr(process_password, "pw_dict"):
|
|
process_password.pw_dict = {}
|
|
|
|
if param == "PW_PLACEHOLDER":
|
|
if config["CONFIG_DEFAULT_PASSWORD"] != "":
|
|
param = config["CONFIG_DEFAULT_PASSWORD"]
|
|
else:
|
|
# We need to make sure we store the random password we provide
|
|
# and return it once we are asked for it again
|
|
if param_name.endswith("_CONFIRMED"):
|
|
unconfirmed_param = param_name[:-10]
|
|
if unconfirmed_param in process_password.pw_dict:
|
|
param = process_password.pw_dict[unconfirmed_param]
|
|
else:
|
|
param = uuid.uuid4().hex[:16]
|
|
process_password.pw_dict[unconfirmed_param] = param
|
|
elif not param_name in process_password.pw_dict:
|
|
param = uuid.uuid4().hex[:16]
|
|
process_password.pw_dict[param_name] = param
|
|
else:
|
|
param = process_password.pw_dict[param_name]
|
|
return param
|