Sync common utils from Oslo
Sync several common utils from oslo, and adjust test_images.py to account for a change in fileutils.py Change-Id: I418c9e691a95e2978ddbd91b22a174752edcb052
This commit is contained in:
parent
dc1c76dcd2
commit
b37ecd8f62
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@ -19,16 +19,17 @@
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Exception related utilities.
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"""
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import contextlib
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import logging
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import sys
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import time
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import traceback
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from ironic.openstack.common.gettextutils import _
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import six
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from ironic.openstack.common.gettextutils import _ # noqa
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@contextlib.contextmanager
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def save_and_reraise_exception():
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class save_and_reraise_exception(object):
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"""Save current exception, run some code and then re-raise.
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In some cases the exception context can be cleared, resulting in None
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@ -40,12 +41,61 @@ def save_and_reraise_exception():
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To work around this, we save the exception state, run handler code, and
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then re-raise the original exception. If another exception occurs, the
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saved exception is logged and the new exception is re-raised.
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"""
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type_, value, tb = sys.exc_info()
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try:
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yield
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In some cases the caller may not want to re-raise the exception, and
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for those circumstances this context provides a reraise flag that
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can be used to suppress the exception. For example:
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except Exception:
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logging.error(_('Original exception being dropped: %s'),
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traceback.format_exception(type_, value, tb))
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raise
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raise type_, value, tb
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with save_and_reraise_exception() as ctxt:
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decide_if_need_reraise()
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if not should_be_reraised:
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ctxt.reraise = False
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"""
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def __init__(self):
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self.reraise = True
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def __enter__(self):
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self.type_, self.value, self.tb, = sys.exc_info()
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return self
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def __exit__(self, exc_type, exc_val, exc_tb):
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if exc_type is not None:
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logging.error(_('Original exception being dropped: %s'),
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traceback.format_exception(self.type_,
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self.value,
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self.tb))
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return False
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if self.reraise:
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six.reraise(self.type_, self.value, self.tb)
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def forever_retry_uncaught_exceptions(infunc):
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def inner_func(*args, **kwargs):
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last_log_time = 0
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last_exc_message = None
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exc_count = 0
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while True:
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try:
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return infunc(*args, **kwargs)
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except Exception as exc:
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this_exc_message = six.u(str(exc))
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if this_exc_message == last_exc_message:
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exc_count += 1
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else:
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exc_count = 1
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# Do not log any more frequently than once a minute unless
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# the exception message changes
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cur_time = int(time.time())
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if (cur_time - last_log_time > 60 or
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this_exc_message != last_exc_message):
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logging.exception(
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_('Unexpected exception occurred %d time(s)... '
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'retrying.') % exc_count)
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last_log_time = cur_time
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last_exc_message = this_exc_message
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exc_count = 0
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# This should be a very rare event. In case it isn't, do
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# a sleep.
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time.sleep(1)
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return inner_func
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@ -19,9 +19,10 @@
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import contextlib
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import errno
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import os
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import tempfile
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from ironic.openstack.common import excutils
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from ironic.openstack.common.gettextutils import _
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from ironic.openstack.common.gettextutils import _ # noqa
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from ironic.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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@ -69,33 +70,34 @@ def read_cached_file(filename, force_reload=False):
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return (reloaded, cache_info['data'])
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def delete_if_exists(path):
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def delete_if_exists(path, remove=os.unlink):
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"""Delete a file, but ignore file not found error.
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:param path: File to delete
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:param remove: Optional function to remove passed path
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"""
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try:
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os.unlink(path)
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remove(path)
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except OSError as e:
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if e.errno == errno.ENOENT:
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return
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else:
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if e.errno != errno.ENOENT:
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raise
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@contextlib.contextmanager
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def remove_path_on_error(path):
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def remove_path_on_error(path, remove=delete_if_exists):
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"""Protect code that wants to operate on PATH atomically.
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Any exception will cause PATH to be removed.
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:param path: File to work with
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:param remove: Optional function to remove passed path
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"""
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try:
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yield
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except Exception:
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with excutils.save_and_reraise_exception():
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delete_if_exists(path)
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remove(path)
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def file_open(*args, **kwargs):
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@ -108,3 +110,30 @@ def file_open(*args, **kwargs):
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state at all (for unit tests)
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"""
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return file(*args, **kwargs)
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def write_to_tempfile(content, path=None, suffix='', prefix='tmp'):
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"""Create temporary file or use existing file.
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This util is needed for creating temporary file with
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specified content, suffix and prefix. If path is not None,
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it will be used for writing content. If the path doesn't
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exist it'll be created.
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:param content: content for temporary file.
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:param path: same as parameter 'dir' for mkstemp
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:param suffix: same as parameter 'suffix' for mkstemp
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:param prefix: same as parameter 'prefix' for mkstemp
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For example: it can be used in database tests for creating
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configuration files.
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"""
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if path:
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ensure_tree(path)
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(fd, path) = tempfile.mkstemp(suffix=suffix, dir=path, prefix=prefix)
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try:
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os.write(fd, content)
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finally:
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os.close(fd)
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return path
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@ -1,6 +1,7 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 Red Hat, Inc.
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# Copyright 2013 IBM Corp.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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@ -23,18 +24,48 @@ Usual usage in an openstack.common module:
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from ironic.openstack.common.gettextutils import _
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"""
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import copy
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import gettext
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import logging
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import os
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import re
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try:
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import UserString as _userString
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except ImportError:
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import collections as _userString
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from babel import localedata
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import six
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_localedir = os.environ.get('ironic'.upper() + '_LOCALEDIR')
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_t = gettext.translation('ironic', localedir=_localedir, fallback=True)
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_AVAILABLE_LANGUAGES = {}
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USE_LAZY = False
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def enable_lazy():
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"""Convenience function for configuring _() to use lazy gettext
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Call this at the start of execution to enable the gettextutils._
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function to use lazy gettext functionality. This is useful if
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your project is importing _ directly instead of using the
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gettextutils.install() way of importing the _ function.
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"""
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global USE_LAZY
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USE_LAZY = True
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def _(msg):
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return _t.ugettext(msg)
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if USE_LAZY:
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return Message(msg, 'ironic')
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else:
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if six.PY3:
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return _t.gettext(msg)
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return _t.ugettext(msg)
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def install(domain):
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def install(domain, lazy=False):
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"""Install a _() function using the given translation domain.
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Given a translation domain, install a _() function using gettext's
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overriding the default localedir (e.g. /usr/share/locale) using
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a translation-domain-specific environment variable (e.g.
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NOVA_LOCALEDIR).
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:param domain: the translation domain
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:param lazy: indicates whether or not to install the lazy _() function.
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The lazy _() introduces a way to do deferred translation
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of messages by installing a _ that builds Message objects,
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instead of strings, which can then be lazily translated into
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any available locale.
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"""
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gettext.install(domain,
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localedir=os.environ.get(domain.upper() + '_LOCALEDIR'),
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unicode=True)
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if lazy:
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# NOTE(mrodden): Lazy gettext functionality.
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#
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# The following introduces a deferred way to do translations on
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# messages in OpenStack. We override the standard _() function
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# and % (format string) operation to build Message objects that can
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# later be translated when we have more information.
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#
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# Also included below is an example LocaleHandler that translates
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# Messages to an associated locale, effectively allowing many logs,
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# each with their own locale.
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def _lazy_gettext(msg):
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"""Create and return a Message object.
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Lazy gettext function for a given domain, it is a factory method
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for a project/module to get a lazy gettext function for its own
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translation domain (i.e. nova, glance, cinder, etc.)
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Message encapsulates a string so that we can translate
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it later when needed.
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"""
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return Message(msg, domain)
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from six import moves
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moves.builtins.__dict__['_'] = _lazy_gettext
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else:
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localedir = '%s_LOCALEDIR' % domain.upper()
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if six.PY3:
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gettext.install(domain,
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localedir=os.environ.get(localedir))
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else:
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gettext.install(domain,
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localedir=os.environ.get(localedir),
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unicode=True)
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class Message(_userString.UserString, object):
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"""Class used to encapsulate translatable messages."""
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def __init__(self, msg, domain):
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# _msg is the gettext msgid and should never change
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self._msg = msg
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self._left_extra_msg = ''
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self._right_extra_msg = ''
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self._locale = None
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self.params = None
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self.domain = domain
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@property
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def data(self):
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# NOTE(mrodden): this should always resolve to a unicode string
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# that best represents the state of the message currently
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localedir = os.environ.get(self.domain.upper() + '_LOCALEDIR')
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if self.locale:
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lang = gettext.translation(self.domain,
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localedir=localedir,
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languages=[self.locale],
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fallback=True)
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else:
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# use system locale for translations
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lang = gettext.translation(self.domain,
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localedir=localedir,
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fallback=True)
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if six.PY3:
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ugettext = lang.gettext
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else:
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ugettext = lang.ugettext
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full_msg = (self._left_extra_msg +
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ugettext(self._msg) +
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self._right_extra_msg)
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if self.params is not None:
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full_msg = full_msg % self.params
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return six.text_type(full_msg)
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@property
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def locale(self):
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return self._locale
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@locale.setter
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def locale(self, value):
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self._locale = value
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if not self.params:
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return
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# This Message object may have been constructed with one or more
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# Message objects as substitution parameters, given as a single
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# Message, or a tuple or Map containing some, so when setting the
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# locale for this Message we need to set it for those Messages too.
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if isinstance(self.params, Message):
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self.params.locale = value
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return
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if isinstance(self.params, tuple):
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for param in self.params:
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if isinstance(param, Message):
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param.locale = value
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return
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if isinstance(self.params, dict):
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for param in self.params.values():
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if isinstance(param, Message):
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param.locale = value
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def _save_dictionary_parameter(self, dict_param):
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full_msg = self.data
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# look for %(blah) fields in string;
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# ignore %% and deal with the
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# case where % is first character on the line
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keys = re.findall('(?:[^%]|^)?%\((\w*)\)[a-z]', full_msg)
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# if we don't find any %(blah) blocks but have a %s
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if not keys and re.findall('(?:[^%]|^)%[a-z]', full_msg):
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# apparently the full dictionary is the parameter
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params = copy.deepcopy(dict_param)
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else:
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params = {}
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for key in keys:
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try:
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params[key] = copy.deepcopy(dict_param[key])
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except TypeError:
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# cast uncopyable thing to unicode string
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params[key] = six.text_type(dict_param[key])
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return params
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def _save_parameters(self, other):
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# we check for None later to see if
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# we actually have parameters to inject,
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# so encapsulate if our parameter is actually None
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if other is None:
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self.params = (other, )
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elif isinstance(other, dict):
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self.params = self._save_dictionary_parameter(other)
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else:
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# fallback to casting to unicode,
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# this will handle the problematic python code-like
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# objects that cannot be deep-copied
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try:
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self.params = copy.deepcopy(other)
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except TypeError:
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self.params = six.text_type(other)
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return self
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# overrides to be more string-like
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def __unicode__(self):
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return self.data
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def __str__(self):
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if six.PY3:
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return self.__unicode__()
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return self.data.encode('utf-8')
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def __getstate__(self):
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to_copy = ['_msg', '_right_extra_msg', '_left_extra_msg',
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'domain', 'params', '_locale']
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new_dict = self.__dict__.fromkeys(to_copy)
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for attr in to_copy:
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new_dict[attr] = copy.deepcopy(self.__dict__[attr])
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return new_dict
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def __setstate__(self, state):
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for (k, v) in state.items():
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setattr(self, k, v)
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# operator overloads
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def __add__(self, other):
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copied = copy.deepcopy(self)
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copied._right_extra_msg += other.__str__()
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return copied
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def __radd__(self, other):
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copied = copy.deepcopy(self)
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copied._left_extra_msg += other.__str__()
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return copied
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def __mod__(self, other):
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# do a format string to catch and raise
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# any possible KeyErrors from missing parameters
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self.data % other
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copied = copy.deepcopy(self)
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return copied._save_parameters(other)
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def __mul__(self, other):
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return self.data * other
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def __rmul__(self, other):
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return other * self.data
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def __getitem__(self, key):
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return self.data[key]
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def __getslice__(self, start, end):
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return self.data.__getslice__(start, end)
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def __getattribute__(self, name):
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# NOTE(mrodden): handle lossy operations that we can't deal with yet
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# These override the UserString implementation, since UserString
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# uses our __class__ attribute to try and build a new message
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# after running the inner data string through the operation.
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# At that point, we have lost the gettext message id and can just
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# safely resolve to a string instead.
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ops = ['capitalize', 'center', 'decode', 'encode',
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'expandtabs', 'ljust', 'lstrip', 'replace', 'rjust', 'rstrip',
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'strip', 'swapcase', 'title', 'translate', 'upper', 'zfill']
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if name in ops:
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return getattr(self.data, name)
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else:
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return _userString.UserString.__getattribute__(self, name)
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def get_available_languages(domain):
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"""Lists the available languages for the given translation domain.
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:param domain: the domain to get languages for
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"""
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if domain in _AVAILABLE_LANGUAGES:
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return copy.copy(_AVAILABLE_LANGUAGES[domain])
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localedir = '%s_LOCALEDIR' % domain.upper()
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find = lambda x: gettext.find(domain,
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localedir=os.environ.get(localedir),
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languages=[x])
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# NOTE(mrodden): en_US should always be available (and first in case
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# order matters) since our in-line message strings are en_US
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language_list = ['en_US']
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# NOTE(luisg): Babel <1.0 used a function called list(), which was
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# renamed to locale_identifiers() in >=1.0, the requirements master list
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# requires >=0.9.6, uncapped, so defensively work with both. We can remove
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# this check when the master list updates to >=1.0, and update all projects
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list_identifiers = (getattr(localedata, 'list', None) or
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getattr(localedata, 'locale_identifiers'))
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locale_identifiers = list_identifiers()
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for i in locale_identifiers:
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if find(i) is not None:
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language_list.append(i)
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_AVAILABLE_LANGUAGES[domain] = language_list
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return copy.copy(language_list)
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def get_localized_message(message, user_locale):
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"""Gets a localized version of the given message in the given locale.
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If the message is not a Message object the message is returned as-is.
|
||||
If the locale is None the message is translated to the default locale.
|
||||
|
||||
:returns: the translated message in unicode, or the original message if
|
||||
it could not be translated
|
||||
"""
|
||||
translated = message
|
||||
if isinstance(message, Message):
|
||||
original_locale = message.locale
|
||||
message.locale = user_locale
|
||||
translated = six.text_type(message)
|
||||
message.locale = original_locale
|
||||
return translated
|
||||
|
||||
|
||||
class LocaleHandler(logging.Handler):
|
||||
"""Handler that can have a locale associated to translate Messages.
|
||||
|
||||
A quick example of how to utilize the Message class above.
|
||||
LocaleHandler takes a locale and a target logging.Handler object
|
||||
to forward LogRecord objects to after translating the internal Message.
|
||||
"""
|
||||
|
||||
def __init__(self, locale, target):
|
||||
"""Initialize a LocaleHandler
|
||||
|
||||
:param locale: locale to use for translating messages
|
||||
:param target: logging.Handler object to forward
|
||||
LogRecord objects to after translation
|
||||
"""
|
||||
logging.Handler.__init__(self)
|
||||
self.locale = locale
|
||||
self.target = target
|
||||
|
||||
def emit(self, record):
|
||||
if isinstance(record.msg, Message):
|
||||
# set the locale and resolve to a string
|
||||
record.msg.locale = self.locale
|
||||
|
||||
self.target.emit(record)
|
||||
|
|
|
@ -24,7 +24,7 @@ import traceback
|
|||
|
||||
|
||||
def import_class(import_str):
|
||||
"""Returns a class from a string including module and class"""
|
||||
"""Returns a class from a string including module and class."""
|
||||
mod_str, _sep, class_str = import_str.rpartition('.')
|
||||
try:
|
||||
__import__(mod_str)
|
||||
|
@ -41,8 +41,9 @@ def import_object(import_str, *args, **kwargs):
|
|||
|
||||
|
||||
def import_object_ns(name_space, import_str, *args, **kwargs):
|
||||
"""
|
||||
Import a class and return an instance of it, first by trying
|
||||
"""Tries to import object from default namespace.
|
||||
|
||||
Imports a class and return an instance of it, first by trying
|
||||
to find the class in a default namespace, then failing back to
|
||||
a full path if not found in the default namespace.
|
||||
"""
|
||||
|
|
|
@ -38,13 +38,19 @@ import functools
|
|||
import inspect
|
||||
import itertools
|
||||
import json
|
||||
import types
|
||||
import xmlrpclib
|
||||
try:
|
||||
import xmlrpclib
|
||||
except ImportError:
|
||||
# NOTE(jd): xmlrpclib is not shipped with Python 3
|
||||
xmlrpclib = None
|
||||
|
||||
import six
|
||||
|
||||
from ironic.openstack.common import gettextutils
|
||||
from ironic.openstack.common import importutils
|
||||
from ironic.openstack.common import timeutils
|
||||
|
||||
netaddr = importutils.try_import("netaddr")
|
||||
|
||||
_nasty_type_tests = [inspect.ismodule, inspect.isclass, inspect.ismethod,
|
||||
inspect.isfunction, inspect.isgeneratorfunction,
|
||||
|
@ -52,7 +58,8 @@ _nasty_type_tests = [inspect.ismodule, inspect.isclass, inspect.ismethod,
|
|||
inspect.iscode, inspect.isbuiltin, inspect.isroutine,
|
||||
inspect.isabstract]
|
||||
|
||||
_simple_types = (types.NoneType, int, basestring, bool, float, long)
|
||||
_simple_types = (six.string_types + six.integer_types
|
||||
+ (type(None), bool, float))
|
||||
|
||||
|
||||
def to_primitive(value, convert_instances=False, convert_datetime=True,
|
||||
|
@ -124,11 +131,13 @@ def to_primitive(value, convert_instances=False, convert_datetime=True,
|
|||
# It's not clear why xmlrpclib created their own DateTime type, but
|
||||
# for our purposes, make it a datetime type which is explicitly
|
||||
# handled
|
||||
if isinstance(value, xmlrpclib.DateTime):
|
||||
if xmlrpclib and isinstance(value, xmlrpclib.DateTime):
|
||||
value = datetime.datetime(*tuple(value.timetuple())[:6])
|
||||
|
||||
if convert_datetime and isinstance(value, datetime.datetime):
|
||||
return timeutils.strtime(value)
|
||||
elif isinstance(value, gettextutils.Message):
|
||||
return value.data
|
||||
elif hasattr(value, 'iteritems'):
|
||||
return recursive(dict(value.iteritems()), level=level + 1)
|
||||
elif hasattr(value, '__iter__'):
|
||||
|
@ -137,6 +146,8 @@ def to_primitive(value, convert_instances=False, convert_datetime=True,
|
|||
# Likely an instance of something. Watch for cycles.
|
||||
# Ignore class member vars.
|
||||
return recursive(value.__dict__, level=level + 1)
|
||||
elif netaddr and isinstance(value, netaddr.IPAddress):
|
||||
return six.text_type(value)
|
||||
else:
|
||||
if any(test(value) for test in _nasty_type_tests):
|
||||
return six.text_type(value)
|
||||
|
|
|
@ -0,0 +1,100 @@
|
|||
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
||||
|
||||
# Copyright 2013 IBM Corp.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
# not use this file except in compliance with the License. You may obtain
|
||||
# a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
# License for the specific language governing permissions and limitations
|
||||
# under the License.
|
||||
|
||||
import os
|
||||
import ssl
|
||||
|
||||
from oslo.config import cfg
|
||||
|
||||
from ironic.openstack.common.gettextutils import _ # noqa
|
||||
|
||||
|
||||
ssl_opts = [
|
||||
cfg.StrOpt('ca_file',
|
||||
default=None,
|
||||
help="CA certificate file to use to verify "
|
||||
"connecting clients"),
|
||||
cfg.StrOpt('cert_file',
|
||||
default=None,
|
||||
help="Certificate file to use when starting "
|
||||
"the server securely"),
|
||||
cfg.StrOpt('key_file',
|
||||
default=None,
|
||||
help="Private key file to use when starting "
|
||||
"the server securely"),
|
||||
]
|
||||
|
||||
|
||||
CONF = cfg.CONF
|
||||
CONF.register_opts(ssl_opts, "ssl")
|
||||
|
||||
|
||||
def is_enabled():
|
||||
cert_file = CONF.ssl.cert_file
|
||||
key_file = CONF.ssl.key_file
|
||||
ca_file = CONF.ssl.ca_file
|
||||
use_ssl = cert_file or key_file
|
||||
|
||||
if cert_file and not os.path.exists(cert_file):
|
||||
raise RuntimeError(_("Unable to find cert_file : %s") % cert_file)
|
||||
|
||||
if ca_file and not os.path.exists(ca_file):
|
||||
raise RuntimeError(_("Unable to find ca_file : %s") % ca_file)
|
||||
|
||||
if key_file and not os.path.exists(key_file):
|
||||
raise RuntimeError(_("Unable to find key_file : %s") % key_file)
|
||||
|
||||
if use_ssl and (not cert_file or not key_file):
|
||||
raise RuntimeError(_("When running server in SSL mode, you must "
|
||||
"specify both a cert_file and key_file "
|
||||
"option value in your configuration file"))
|
||||
|
||||
return use_ssl
|
||||
|
||||
|
||||
def wrap(sock):
|
||||
ssl_kwargs = {
|
||||
'server_side': True,
|
||||
'certfile': CONF.ssl.cert_file,
|
||||
'keyfile': CONF.ssl.key_file,
|
||||
'cert_reqs': ssl.CERT_NONE,
|
||||
}
|
||||
|
||||
if CONF.ssl.ca_file:
|
||||
ssl_kwargs['ca_certs'] = CONF.ssl.ca_file
|
||||
ssl_kwargs['cert_reqs'] = ssl.CERT_REQUIRED
|
||||
|
||||
return ssl.wrap_socket(sock, **ssl_kwargs)
|
||||
|
||||
|
||||
_SSL_PROTOCOLS = {
|
||||
"tlsv1": ssl.PROTOCOL_TLSv1,
|
||||
"sslv23": ssl.PROTOCOL_SSLv23,
|
||||
"sslv3": ssl.PROTOCOL_SSLv3
|
||||
}
|
||||
|
||||
try:
|
||||
_SSL_PROTOCOLS["sslv2"] = ssl.PROTOCOL_SSLv2
|
||||
except AttributeError:
|
||||
pass
|
||||
|
||||
|
||||
def validate_ssl_version(version):
|
||||
key = version.lower()
|
||||
try:
|
||||
return _SSL_PROTOCOLS[key]
|
||||
except KeyError:
|
||||
raise RuntimeError(_("Invalid SSL version : %s") % version)
|
|
@ -25,7 +25,7 @@ import unicodedata
|
|||
|
||||
import six
|
||||
|
||||
from ironic.openstack.common.gettextutils import _
|
||||
from ironic.openstack.common.gettextutils import _ # noqa
|
||||
|
||||
|
||||
# Used for looking up extensions of text
|
||||
|
@ -101,7 +101,7 @@ def safe_decode(text, incoming=None, errors='strict'):
|
|||
values http://docs.python.org/2/library/codecs.html
|
||||
:returns: text or a unicode `incoming` encoded
|
||||
representation of it.
|
||||
:raises TypeError: If text is not an isntance of str
|
||||
:raises TypeError: If text is not an instance of str
|
||||
"""
|
||||
if not isinstance(text, six.string_types):
|
||||
raise TypeError("%s can't be decoded" % type(text))
|
||||
|
@ -144,7 +144,7 @@ def safe_encode(text, incoming=None,
|
|||
values http://docs.python.org/2/library/codecs.html
|
||||
:returns: text or a bytestring `encoding` encoded
|
||||
representation of it.
|
||||
:raises TypeError: If text is not an isntance of str
|
||||
:raises TypeError: If text is not an instance of str
|
||||
"""
|
||||
if not isinstance(text, six.string_types):
|
||||
raise TypeError("%s can't be encoded" % type(text))
|
||||
|
|
|
@ -21,8 +21,10 @@ Time related utilities and helper functions.
|
|||
|
||||
import calendar
|
||||
import datetime
|
||||
import time
|
||||
|
||||
import iso8601
|
||||
import six
|
||||
|
||||
|
||||
# ISO 8601 extended time format with microseconds
|
||||
|
@ -32,7 +34,7 @@ PERFECT_TIME_FORMAT = _ISO8601_TIME_FORMAT_SUBSECOND
|
|||
|
||||
|
||||
def isotime(at=None, subsecond=False):
|
||||
"""Stringify time in ISO 8601 format"""
|
||||
"""Stringify time in ISO 8601 format."""
|
||||
if not at:
|
||||
at = utcnow()
|
||||
st = at.strftime(_ISO8601_TIME_FORMAT
|
||||
|
@ -44,13 +46,13 @@ def isotime(at=None, subsecond=False):
|
|||
|
||||
|
||||
def parse_isotime(timestr):
|
||||
"""Parse time from ISO 8601 format"""
|
||||
"""Parse time from ISO 8601 format."""
|
||||
try:
|
||||
return iso8601.parse_date(timestr)
|
||||
except iso8601.ParseError as e:
|
||||
raise ValueError(e.message)
|
||||
raise ValueError(six.text_type(e))
|
||||
except TypeError as e:
|
||||
raise ValueError(e.message)
|
||||
raise ValueError(six.text_type(e))
|
||||
|
||||
|
||||
def strtime(at=None, fmt=PERFECT_TIME_FORMAT):
|
||||
|
@ -66,7 +68,7 @@ def parse_strtime(timestr, fmt=PERFECT_TIME_FORMAT):
|
|||
|
||||
|
||||
def normalize_time(timestamp):
|
||||
"""Normalize time in arbitrary timezone to UTC naive object"""
|
||||
"""Normalize time in arbitrary timezone to UTC naive object."""
|
||||
offset = timestamp.utcoffset()
|
||||
if offset is None:
|
||||
return timestamp
|
||||
|
@ -75,20 +77,25 @@ def normalize_time(timestamp):
|
|||
|
||||
def is_older_than(before, seconds):
|
||||
"""Return True if before is older than seconds."""
|
||||
if isinstance(before, basestring):
|
||||
if isinstance(before, six.string_types):
|
||||
before = parse_strtime(before).replace(tzinfo=None)
|
||||
return utcnow() - before > datetime.timedelta(seconds=seconds)
|
||||
|
||||
|
||||
def is_newer_than(after, seconds):
|
||||
"""Return True if after is newer than seconds."""
|
||||
if isinstance(after, basestring):
|
||||
if isinstance(after, six.string_types):
|
||||
after = parse_strtime(after).replace(tzinfo=None)
|
||||
return after - utcnow() > datetime.timedelta(seconds=seconds)
|
||||
|
||||
|
||||
def utcnow_ts():
|
||||
"""Timestamp version of our utcnow function."""
|
||||
if utcnow.override_time is None:
|
||||
# NOTE(kgriffs): This is several times faster
|
||||
# than going through calendar.timegm(...)
|
||||
return int(time.time())
|
||||
|
||||
return calendar.timegm(utcnow().timetuple())
|
||||
|
||||
|
||||
|
@ -103,19 +110,22 @@ def utcnow():
|
|||
|
||||
|
||||
def iso8601_from_timestamp(timestamp):
|
||||
"""Returns a iso8601 formated date from timestamp"""
|
||||
"""Returns a iso8601 formated date from timestamp."""
|
||||
return isotime(datetime.datetime.utcfromtimestamp(timestamp))
|
||||
|
||||
|
||||
utcnow.override_time = None
|
||||
|
||||
|
||||
def set_time_override(override_time=datetime.datetime.utcnow()):
|
||||
def set_time_override(override_time=None):
|
||||
"""Overrides utils.utcnow.
|
||||
|
||||
Make it return a constant time or a list thereof, one at a time.
|
||||
|
||||
:param override_time: datetime instance or list thereof. If not
|
||||
given, defaults to the current UTC time.
|
||||
"""
|
||||
Override utils.utcnow to return a constant time or a list thereof,
|
||||
one at a time.
|
||||
"""
|
||||
utcnow.override_time = override_time
|
||||
utcnow.override_time = override_time or datetime.datetime.utcnow()
|
||||
|
||||
|
||||
def advance_time_delta(timedelta):
|
||||
|
@ -141,7 +151,8 @@ def clear_time_override():
|
|||
def marshall_now(now=None):
|
||||
"""Make an rpc-safe datetime with microseconds.
|
||||
|
||||
Note: tzinfo is stripped, but not required for relative times."""
|
||||
Note: tzinfo is stripped, but not required for relative times.
|
||||
"""
|
||||
if not now:
|
||||
now = utcnow()
|
||||
return dict(day=now.day, month=now.month, year=now.year, hour=now.hour,
|
||||
|
@ -161,7 +172,8 @@ def unmarshall_time(tyme):
|
|||
|
||||
|
||||
def delta_seconds(before, after):
|
||||
"""
|
||||
"""Return the difference between two timing objects.
|
||||
|
||||
Compute the difference in seconds between two date, time, or
|
||||
datetime objects (as a float, to microsecond resolution).
|
||||
"""
|
||||
|
@ -174,8 +186,7 @@ def delta_seconds(before, after):
|
|||
|
||||
|
||||
def is_soon(dt, window):
|
||||
"""
|
||||
Determines if time is going to happen in the next window seconds.
|
||||
"""Determines if time is going to happen in the next window seconds.
|
||||
|
||||
:params dt: the time
|
||||
:params window: minimum seconds to remain to consider the time not soon
|
||||
|
|
|
@ -0,0 +1,45 @@
|
|||
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
||||
|
||||
# Copyright (c) 2013 OpenStack Foundation
|
||||
# All Rights Reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
# not use this file except in compliance with the License. You may obtain
|
||||
# a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
# License for the specific language governing permissions and limitations
|
||||
# under the License.
|
||||
|
||||
"""
|
||||
Helpers for comparing version strings.
|
||||
"""
|
||||
|
||||
import pkg_resources
|
||||
|
||||
|
||||
def is_compatible(requested_version, current_version, same_major=True):
|
||||
"""Determine whether `requested_version` is satisfied by
|
||||
`current_version`; in other words, `current_version` is >=
|
||||
`requested_version`.
|
||||
|
||||
:param requested_version: version to check for compatibility
|
||||
:param current_version: version to check against
|
||||
:param same_major: if True, the major version must be identical between
|
||||
`requested_version` and `current_version`. This is used when a
|
||||
major-version difference indicates incompatibility between the two
|
||||
versions. Since this is the common-case in practice, the default is
|
||||
True.
|
||||
:returns: True if compatible, False if not
|
||||
"""
|
||||
requested_parts = pkg_resources.parse_version(requested_version)
|
||||
current_parts = pkg_resources.parse_version(current_version)
|
||||
|
||||
if same_major and (requested_parts[0] != current_parts[0]):
|
||||
return False
|
||||
|
||||
return current_parts >= requested_parts
|
|
@ -16,10 +16,12 @@
|
|||
# License for the specific language governing permissions and limitations
|
||||
# under the License.
|
||||
|
||||
import contextlib
|
||||
import fixtures
|
||||
|
||||
from ironic.common import exception
|
||||
from ironic.common import images
|
||||
from ironic.openstack.common import excutils
|
||||
from ironic.tests import base
|
||||
|
||||
|
||||
|
@ -36,7 +38,15 @@ class IronicImagesTestCase(base.TestCase):
|
|||
def fake_unlink(path):
|
||||
self.executes.append(('rm', path))
|
||||
|
||||
def fake_rm_on_errror(path):
|
||||
@contextlib.contextmanager
|
||||
def fake_rm_on_error(path):
|
||||
try:
|
||||
yield
|
||||
except Exception:
|
||||
with excutils.save_and_reraise_exception():
|
||||
fake_del_if_exists(path)
|
||||
|
||||
def fake_del_if_exists(path):
|
||||
self.executes.append(('rm', '-f', path))
|
||||
|
||||
def fake_qemu_img_info(path):
|
||||
|
@ -66,9 +76,12 @@ class IronicImagesTestCase(base.TestCase):
|
|||
'ironic.common.images.fetch', lambda *_: None))
|
||||
self.useFixture(fixtures.MonkeyPatch(
|
||||
'ironic.common.images.qemu_img_info', fake_qemu_img_info))
|
||||
self.useFixture(fixtures.MonkeyPatch(
|
||||
'ironic.openstack.common.fileutils.remove_path_on_error',
|
||||
fake_rm_on_error))
|
||||
self.useFixture(fixtures.MonkeyPatch(
|
||||
'ironic.openstack.common.fileutils.delete_if_exists',
|
||||
fake_rm_on_errror))
|
||||
fake_del_if_exists))
|
||||
|
||||
context = 'opaque context'
|
||||
image_id = '4'
|
||||
|
|
Loading…
Reference in New Issue