b1da4f2dd4
Use oslo_messaging_notifications for mitaka or later releases including setting the transport_url to the value provided by the AMQP context. This removes use of deprecated configuration options for ceilometer notifications. Change-Id: Ia57f29abbbabf1712b2385c2d94ece12f9ce0861
98 lines
3.5 KiB
Python
98 lines
3.5 KiB
Python
# Copyright 2014-2015 Canonical Limited.
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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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# Bootstrap charm-helpers, installing its dependencies if necessary using
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# only standard libraries.
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from __future__ import print_function
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from __future__ import absolute_import
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import functools
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import inspect
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import subprocess
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import sys
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try:
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import six # flake8: noqa
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except ImportError:
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if sys.version_info.major == 2:
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subprocess.check_call(['apt-get', 'install', '-y', 'python-six'])
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else:
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subprocess.check_call(['apt-get', 'install', '-y', 'python3-six'])
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import six # flake8: noqa
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try:
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import yaml # flake8: noqa
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except ImportError:
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if sys.version_info.major == 2:
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subprocess.check_call(['apt-get', 'install', '-y', 'python-yaml'])
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else:
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subprocess.check_call(['apt-get', 'install', '-y', 'python3-yaml'])
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import yaml # flake8: noqa
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# Holds a list of mapping of mangled function names that have been deprecated
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# using the @deprecate decorator below. This is so that the warning is only
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# printed once for each usage of the function.
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__deprecated_functions = {}
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def deprecate(warning, date=None, log=None):
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"""Add a deprecation warning the first time the function is used.
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The date, which is a string in semi-ISO8660 format indicate the year-month
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that the function is officially going to be removed.
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usage:
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@deprecate('use core/fetch/add_source() instead', '2017-04')
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def contributed_add_source_thing(...):
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...
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And it then prints to the log ONCE that the function is deprecated.
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The reason for passing the logging function (log) is so that hookenv.log
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can be used for a charm if needed.
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:param warning: String to indicat where it has moved ot.
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:param date: optional sting, in YYYY-MM format to indicate when the
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function will definitely (probably) be removed.
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:param log: The log function to call to log. If not, logs to stdout
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"""
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def wrap(f):
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@functools.wraps(f)
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def wrapped_f(*args, **kwargs):
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try:
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module = inspect.getmodule(f)
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file = inspect.getsourcefile(f)
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lines = inspect.getsourcelines(f)
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f_name = "{}-{}-{}..{}-{}".format(
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module.__name__, file, lines[0], lines[-1], f.__name__)
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except (IOError, TypeError):
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# assume it was local, so just use the name of the function
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f_name = f.__name__
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if f_name not in __deprecated_functions:
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__deprecated_functions[f_name] = True
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s = "DEPRECATION WARNING: Function {} is being removed".format(
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f.__name__)
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if date:
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s = "{} on/around {}".format(s, date)
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if warning:
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s = "{} : {}".format(s, warning)
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if log:
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log(s)
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else:
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print(s)
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return f(*args, **kwargs)
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return wrapped_f
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return wrap
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