50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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from devstack import log as logging
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TRUE_VALUES = ['yes', 'true', 't', '1', 'on']
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LOG = logging.getLogger("devstack.environment")
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def _str2bool(value_str):
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if(value_str.lower().strip() in TRUE_VALUES):
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return True
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return False
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def get():
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return dict(os.environ)
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def get_key(key, default_value=None):
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LOG.debug("Looking up environment variable \"%s\"" % (key))
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value = get().get(key)
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if(value == None):
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LOG.debug("Could not find anything in environment variable \"%s\"" % (key))
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value = default_value
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else:
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LOG.debug("Found \"%s\" in environment variable \"%s\"" % (value, key))
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return value
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def get_bool(key, default_value=False):
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value = get_key(key, None)
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if(value == None):
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return default_value
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return _str2bool(value)
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