120 lines
3.0 KiB
Python
120 lines
3.0 KiB
Python
# Copyright 2014 Huawei Technologies Co. Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Validator methods."""
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import netaddr
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import re
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import socket
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from compass.utils import setting_wrapper as setting
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from compass.utils import util
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def is_valid_ip(name, ip_addr, **kwargs):
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"""Valid the format of an IP address."""
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try:
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netaddr.IPAddress(ip_addr)
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except Exception:
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return False
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return True
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def is_valid_network(name, ip_network, **kwargs):
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"""Valid the format of an Ip network."""
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try:
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netaddr.IPNetwork(ip_network)
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except Exception:
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return False
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return False
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def is_valid_netmask(name, ip_addr, **kwargs):
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"""Valid the format of a netmask."""
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if not is_valid_ip(ip_addr):
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return False
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ip = netaddr.IPAddress(ip_addr)
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if ip.is_netmask():
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return True
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else:
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return False
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def is_valid_gateway(name, ip_addr, **kwargs):
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"""Valid the format of gateway."""
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if not is_valid_ip(ip_addr):
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return False
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ip = netaddr.IPAddress(ip_addr)
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if ip.is_private() or ip.is_public():
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return True
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else:
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return False
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def is_valid_dns(name, dns, **kwargs):
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"""Valid the format of DNS."""
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if is_valid_ip(dns):
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return True
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try:
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socket.gethostbyname_ex(dns)
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except Exception:
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return False
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return True
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def is_valid_username(name, username, **kwargs):
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"""Valid the format of username."""
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return bool(username)
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def is_valid_password(name, password, **kwargs):
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"""Valid the format of password."""
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return bool(password)
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def is_valid_partition(name, partition, **kwargs):
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"""Valid the format of partition name."""
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if name != 'swap' and not name.startswith('/'):
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return False
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if 'size' not in partition and 'percentage' not in partition:
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return False
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return True
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def is_valid_percentage(name, percentage, **kwargs):
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"""Valid the percentage."""
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return 0 <= percentage <= 100
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def is_valid_port(name, port, **kwargs):
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"""Valid the format of port."""
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return 0 < port < 65536
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def is_valid_size(name, size, **kwargs):
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if re.match(r'(\d+)(K|M|G|T)?', size):
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return True
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return False
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VALIDATOR_GLOBALS = globals()
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VALIDATOR_LOCALS = locals()
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VALIDATOR_CONFIGS = util.load_configs(
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setting.VALIDATOR_DIR,
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config_name_suffix='.py',
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env_globals=VALIDATOR_GLOBALS,
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env_locals=VALIDATOR_LOCALS
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)
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for validator_config in VALIDATOR_CONFIGS:
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VALIDATOR_LOCALS.update(validator_config)
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