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# Copyright (C) 2015 Canonical Ltd.
# Copyright (C) 2015 VMware Inc.
#
# Author: Sankar Tanguturi <[email protected]>
#
# This file is part of cloud-init. See LICENSE file for license information.
import configparser
import logging
from cloudinit.sources.helpers.vmware.imc.config_source import ConfigSource
logger = logging.getLogger(__name__)
class ConfigFile(ConfigSource, dict):
"""ConfigFile module to load the content from a specified source."""
def __init__(self, filename):
self._loadConfigFile(filename)
def _insertKey(self, key, val):
"""
Inserts a Key Value pair.
Keyword arguments:
key -- The key to insert
val -- The value to insert for the key
"""
key = key.strip()
val = val.strip()
if key.startswith("-") or "|-" in key:
canLog = False
else:
canLog = True
# "sensitive" settings shall not be logged
if canLog:
logger.debug("ADDED KEY-VAL :: '%s' = '%s'", key, val)
else:
logger.debug("ADDED KEY-VAL :: '%s' = '*****************'", key)
self[key] = val
def _loadConfigFile(self, filename):
"""
Parses properties from the specified config file.
Any previously available properties will be removed.
Sensitive data will not be logged in case the key starts
from '-'.
Keyword arguments:
filename - The full path to the config file.
"""
logger.info("Parsing the config file %s.", filename)
config = configparser.ConfigParser()
config.optionxform = str
config.read(filename)
self.clear()
for category in config.sections():
logger.debug("FOUND CATEGORY = '%s'", category)
for (key, value) in config.items(category):
self._insertKey(category + "|" + key, value)
def get_count_with_prefix(self, prefix):
"""
Return the total count of keys that start with the specified prefix.
Keyword arguments:
prefix -- prefix of the key
"""
return len([key for key in self if key.startswith(prefix)])
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