Sync oslo imports to the latest version.
Change-Id: I36193d00930e5c82c46841b64650863c811b95a4
This commit is contained in:
Michael Still
parent
e549be82ac
commit
f09c52c8b0
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@ -0,0 +1,82 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack Foundation.
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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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# 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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"""
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Simple class that stores security context information in the web request.
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Projects should subclass this class if they wish to enhance the request
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context or provide additional information in their specific WSGI pipeline.
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"""
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import itertools
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from glance.openstack.common import uuidutils
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def generate_request_id():
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return 'req-%s' % uuidutils.generate_uuid()
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class RequestContext(object):
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"""
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Stores information about the security context under which the user
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accesses the system, as well as additional request information.
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"""
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def __init__(self, auth_token=None, user=None, tenant=None, is_admin=False,
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read_only=False, show_deleted=False, request_id=None):
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self.auth_token = auth_token
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self.user = user
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self.tenant = tenant
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self.is_admin = is_admin
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self.read_only = read_only
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self.show_deleted = show_deleted
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if not request_id:
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request_id = generate_request_id()
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self.request_id = request_id
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def to_dict(self):
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return {'user': self.user,
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'tenant': self.tenant,
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'is_admin': self.is_admin,
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'read_only': self.read_only,
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'show_deleted': self.show_deleted,
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'auth_token': self.auth_token,
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'request_id': self.request_id}
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def get_admin_context(show_deleted="no"):
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context = RequestContext(None,
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tenant=None,
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is_admin=True,
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show_deleted=show_deleted)
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return context
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def get_context_from_function_and_args(function, args, kwargs):
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"""Find an arg of type RequestContext and return it.
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This is useful in a couple of decorators where we don't
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know much about the function we're wrapping.
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"""
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for arg in itertools.chain(kwargs.values(), args):
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if isinstance(arg, RequestContext):
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return arg
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return None
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@ -0,0 +1,89 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (c) 2012 OpenStack Foundation.
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# Administrator of the National Aeronautics and Space Administration.
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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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# 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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from __future__ import print_function
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import gc
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import pprint
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import sys
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import traceback
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import eventlet
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import eventlet.backdoor
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import greenlet
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from oslo.config import cfg
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eventlet_backdoor_opts = [
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cfg.IntOpt('backdoor_port',
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default=None,
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help='port for eventlet backdoor to listen')
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]
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CONF = cfg.CONF
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CONF.register_opts(eventlet_backdoor_opts)
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def _dont_use_this():
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print("Don't use this, just disconnect instead")
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def _find_objects(t):
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return filter(lambda o: isinstance(o, t), gc.get_objects())
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def _print_greenthreads():
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for i, gt in enumerate(_find_objects(greenlet.greenlet)):
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print(i, gt)
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traceback.print_stack(gt.gr_frame)
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print()
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def _print_nativethreads():
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for threadId, stack in sys._current_frames().items():
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print(threadId)
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traceback.print_stack(stack)
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print()
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def initialize_if_enabled():
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backdoor_locals = {
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'exit': _dont_use_this, # So we don't exit the entire process
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'quit': _dont_use_this, # So we don't exit the entire process
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'fo': _find_objects,
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'pgt': _print_greenthreads,
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'pnt': _print_nativethreads,
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}
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if CONF.backdoor_port is None:
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return None
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# NOTE(johannes): The standard sys.displayhook will print the value of
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# the last expression and set it to __builtin__._, which overwrites
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# the __builtin__._ that gettext sets. Let's switch to using pprint
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# since it won't interact poorly with gettext, and it's easier to
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# read the output too.
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def displayhook(val):
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if val is not None:
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pprint.pprint(val)
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sys.displayhook = displayhook
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sock = eventlet.listen(('localhost', CONF.backdoor_port))
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port = sock.getsockname()[1]
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eventlet.spawn_n(eventlet.backdoor.backdoor_server, sock,
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locals=backdoor_locals)
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return port
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@ -0,0 +1,51 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack Foundation.
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# Copyright 2012, Red Hat, Inc.
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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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"""
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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 traceback
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from glance.openstack.common.gettextutils import _
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@contextlib.contextmanager
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def save_and_reraise_exception():
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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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being attempted to be re-raised after an exception handler is run. This
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can happen when eventlet switches greenthreads or when running an
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exception handler, code raises and catches an exception. In both
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cases the exception context will be cleared.
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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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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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@ -1,6 +1,6 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack LLC.
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# Copyright 2011 OpenStack Foundation.
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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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@ -38,13 +38,21 @@ import functools
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import inspect
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import itertools
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import json
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import logging
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import types
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import xmlrpclib
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from glance.openstack.common.gettextutils import _
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import six
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from glance.openstack.common import timeutils
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LOG = logging.getLogger(__name__)
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_nasty_type_tests = [inspect.ismodule, inspect.isclass, inspect.ismethod,
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inspect.isfunction, inspect.isgeneratorfunction,
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inspect.isgenerator, inspect.istraceback, inspect.isframe,
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inspect.iscode, inspect.isbuiltin, inspect.isroutine,
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inspect.isabstract]
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_simple_types = (types.NoneType, int, basestring, bool, float, long)
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def to_primitive(value, convert_instances=False, convert_datetime=True,
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@ -62,19 +70,32 @@ def to_primitive(value, convert_instances=False, convert_datetime=True,
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Therefore, convert_instances=True is lossy ... be aware.
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"""
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nasty = [inspect.ismodule, inspect.isclass, inspect.ismethod,
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inspect.isfunction, inspect.isgeneratorfunction,
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inspect.isgenerator, inspect.istraceback, inspect.isframe,
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inspect.iscode, inspect.isbuiltin, inspect.isroutine,
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inspect.isabstract]
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for test in nasty:
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if test(value):
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return unicode(value)
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# handle obvious types first - order of basic types determined by running
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# full tests on nova project, resulting in the following counts:
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# 572754 <type 'NoneType'>
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# 460353 <type 'int'>
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# 379632 <type 'unicode'>
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# 274610 <type 'str'>
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# 199918 <type 'dict'>
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# 114200 <type 'datetime.datetime'>
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# 51817 <type 'bool'>
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# 26164 <type 'list'>
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# 6491 <type 'float'>
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# 283 <type 'tuple'>
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# 19 <type 'long'>
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if isinstance(value, _simple_types):
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return value
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# value of itertools.count doesn't get caught by inspects
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# above and results in infinite loop when list(value) is called.
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if isinstance(value, datetime.datetime):
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if convert_datetime:
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return timeutils.strtime(value)
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else:
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return value
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# value of itertools.count doesn't get caught by nasty_type_tests
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# and results in infinite loop when list(value) is called.
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if type(value) == itertools.count:
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return unicode(value)
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return six.text_type(value)
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# FIXME(vish): Workaround for LP bug 852095. Without this workaround,
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# tests that raise an exception in a mocked method that
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@ -85,8 +106,6 @@ def to_primitive(value, convert_instances=False, convert_datetime=True,
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return 'mock'
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if level > max_depth:
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LOG.error(_('Max serialization depth exceeded on object: %d %s'),
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level, value)
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return '?'
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# The try block may not be necessary after the class check above,
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@ -97,17 +116,18 @@ def to_primitive(value, convert_instances=False, convert_datetime=True,
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convert_datetime=convert_datetime,
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level=level,
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max_depth=max_depth)
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if isinstance(value, dict):
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return dict((k, recursive(v)) for k, v in value.iteritems())
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elif isinstance(value, (list, tuple)):
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return [recursive(lv) for lv in value]
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# It's not clear why xmlrpclib created their own DateTime type, but
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# for our purposes, make it a datetime type which is explicitly
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# handled
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if isinstance(value, xmlrpclib.DateTime):
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value = datetime.datetime(*tuple(value.timetuple())[:6])
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if isinstance(value, (list, tuple)):
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return [recursive(v) for v in value]
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elif isinstance(value, dict):
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return dict((k, recursive(v)) for k, v in value.iteritems())
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elif convert_datetime and isinstance(value, datetime.datetime):
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if convert_datetime and isinstance(value, datetime.datetime):
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return timeutils.strtime(value)
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elif hasattr(value, 'iteritems'):
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return recursive(dict(value.iteritems()), level=level + 1)
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@ -118,11 +138,13 @@ def to_primitive(value, convert_instances=False, convert_datetime=True,
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# Ignore class member vars.
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return recursive(value.__dict__, level=level + 1)
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else:
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if any(test(value) for test in _nasty_type_tests):
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return six.text_type(value)
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return value
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except TypeError:
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# Class objects are tricky since they may define something like
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# __iter__ defined but it isn't callable as list().
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return unicode(value)
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return six.text_type(value)
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def dumps(value, default=to_primitive, **kwargs):
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|
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@ -1,6 +1,6 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack LLC.
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# Copyright 2011 OpenStack Foundation.
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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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|
|
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|
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@ -1,6 +1,6 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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|
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# Copyright 2011 OpenStack LLC.
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# Copyright 2011 OpenStack Foundation.
|
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
|
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|
|
@ -29,6 +29,7 @@ It also allows setting of formatting information through conf.
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"""
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import ConfigParser
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import cStringIO
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import inspect
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import itertools
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@ -36,7 +37,6 @@ import logging
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import logging.config
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import logging.handlers
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import os
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import stat
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import sys
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import traceback
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|
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@ -48,7 +48,6 @@ from glance.openstack.common import local
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from glance.openstack.common import notifier
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_DEFAULT_LOG_FORMAT = "%(asctime)s %(levelname)8s [%(name)s] %(message)s"
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_DEFAULT_LOG_DATE_FORMAT = "%Y-%m-%d %H:%M:%S"
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common_cli_opts = [
|
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|
|
@ -73,11 +72,13 @@ logging_cli_opts = [
|
|||
'documentation for details on logging configuration '
|
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'files.'),
|
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cfg.StrOpt('log-format',
|
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default=_DEFAULT_LOG_FORMAT,
|
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default=None,
|
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metavar='FORMAT',
|
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help='A logging.Formatter log message format string which may '
|
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'use any of the available logging.LogRecord attributes. '
|
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'Default: %(default)s'),
|
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'This option is deprecated. Please use '
|
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'logging_context_format_string and '
|
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'logging_default_format_string instead.'),
|
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cfg.StrOpt('log-date-format',
|
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default=_DEFAULT_LOG_DATE_FORMAT,
|
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metavar='DATE_FORMAT',
|
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|
|
@ -87,11 +88,11 @@ logging_cli_opts = [
|
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metavar='PATH',
|
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deprecated_name='logfile',
|
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help='(Optional) Name of log file to output to. '
|
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'If not set, logging will go to stdout.'),
|
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'If no default is set, logging will go to stdout.'),
|
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cfg.StrOpt('log-dir',
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deprecated_name='logdir',
|
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help='(Optional) The directory to keep log files in '
|
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'(will be prepended to --log-file)'),
|
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help='(Optional) The base directory used for relative '
|
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'--log-file paths'),
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cfg.BoolOpt('use-syslog',
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default=False,
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help='Use syslog for logging.'),
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|
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@ -103,17 +104,14 @@ logging_cli_opts = [
|
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generic_log_opts = [
|
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cfg.BoolOpt('use_stderr',
|
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default=True,
|
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help='Log output to standard error'),
|
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cfg.StrOpt('logfile_mode',
|
||||
default='0644',
|
||||
help='Default file mode used when creating log files'),
|
||||
help='Log output to standard error')
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||||
]
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||||
|
||||
log_opts = [
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cfg.StrOpt('logging_context_format_string',
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default='%(asctime)s.%(msecs)03d %(levelname)s %(name)s '
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||||
'[%(request_id)s %(user)s %(tenant)s] %(instance)s'
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'%(message)s',
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default='%(asctime)s.%(msecs)03d %(process)d %(levelname)s '
|
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'%(name)s [%(request_id)s %(user)s %(tenant)s] '
|
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'%(instance)s%(message)s',
|
||||
help='format string to use for log messages with context'),
|
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cfg.StrOpt('logging_default_format_string',
|
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default='%(asctime)s.%(msecs)03d %(process)d %(levelname)s '
|
||||
|
|
@ -210,7 +208,27 @@ def _get_log_file_path(binary=None):
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return '%s.log' % (os.path.join(logdir, binary),)
|
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|
||||
|
||||
class ContextAdapter(logging.LoggerAdapter):
|
||||
class BaseLoggerAdapter(logging.LoggerAdapter):
|
||||
|
||||
def audit(self, msg, *args, **kwargs):
|
||||
self.log(logging.AUDIT, msg, *args, **kwargs)
|
||||
|
||||
|
||||
class LazyAdapter(BaseLoggerAdapter):
|
||||
def __init__(self, name='unknown', version='unknown'):
|
||||
self._logger = None
|
||||
self.extra = {}
|
||||
self.name = name
|
||||
self.version = version
|
||||
|
||||
@property
|
||||
def logger(self):
|
||||
if not self._logger:
|
||||
self._logger = getLogger(self.name, self.version)
|
||||
return self._logger
|
||||
|
||||
|
||||
class ContextAdapter(BaseLoggerAdapter):
|
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warn = logging.LoggerAdapter.warning
|
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|
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def __init__(self, logger, project_name, version_string):
|
||||
|
|
@ -218,8 +236,9 @@ class ContextAdapter(logging.LoggerAdapter):
|
|||
self.project = project_name
|
||||
self.version = version_string
|
||||
|
||||
def audit(self, msg, *args, **kwargs):
|
||||
self.log(logging.AUDIT, msg, *args, **kwargs)
|
||||
@property
|
||||
def handlers(self):
|
||||
return self.logger.handlers
|
||||
|
||||
def deprecated(self, msg, *args, **kwargs):
|
||||
stdmsg = _("Deprecated: %s") % msg
|
||||
|
|
@ -323,12 +342,32 @@ def _create_logging_excepthook(product_name):
|
|||
return logging_excepthook
|
||||
|
||||
|
||||
class LogConfigError(Exception):
|
||||
|
||||
message = _('Error loading logging config %(log_config)s: %(err_msg)s')
|
||||
|
||||
def __init__(self, log_config, err_msg):
|
||||
self.log_config = log_config
|
||||
self.err_msg = err_msg
|
||||
|
||||
def __str__(self):
|
||||
return self.message % dict(log_config=self.log_config,
|
||||
err_msg=self.err_msg)
|
||||
|
||||
|
||||
def _load_log_config(log_config):
|
||||
try:
|
||||
logging.config.fileConfig(log_config)
|
||||
except ConfigParser.Error as exc:
|
||||
raise LogConfigError(log_config, str(exc))
|
||||
|
||||
|
||||
def setup(product_name):
|
||||
"""Setup logging."""
|
||||
if CONF.log_config:
|
||||
logging.config.fileConfig(CONF.log_config)
|
||||
_load_log_config(CONF.log_config)
|
||||
else:
|
||||
_setup_logging_from_conf(product_name)
|
||||
_setup_logging_from_conf()
|
||||
sys.excepthook = _create_logging_excepthook(product_name)
|
||||
|
||||
|
||||
|
|
@ -362,8 +401,8 @@ def _find_facility_from_conf():
|
|||
return facility
|
||||
|
||||
|
||||
def _setup_logging_from_conf(product_name):
|
||||
log_root = getLogger(product_name).logger
|
||||
def _setup_logging_from_conf():
|
||||
log_root = getLogger(None).logger
|
||||
for handler in log_root.handlers:
|
||||
log_root.removeHandler(handler)
|
||||
|
||||
|
|
@ -378,11 +417,6 @@ def _setup_logging_from_conf(product_name):
|
|||
filelog = logging.handlers.WatchedFileHandler(logpath)
|
||||
log_root.addHandler(filelog)
|
||||
|
||||
mode = int(CONF.logfile_mode, 8)
|
||||
st = os.stat(logpath)
|
||||
if st.st_mode != (stat.S_IFREG | mode):
|
||||
os.chmod(logpath, mode)
|
||||
|
||||
if CONF.use_stderr:
|
||||
streamlog = ColorHandler()
|
||||
log_root.addHandler(streamlog)
|
||||
|
|
@ -396,12 +430,17 @@ def _setup_logging_from_conf(product_name):
|
|||
if CONF.publish_errors:
|
||||
log_root.addHandler(PublishErrorsHandler(logging.ERROR))
|
||||
|
||||
datefmt = CONF.log_date_format
|
||||
for handler in log_root.handlers:
|
||||
datefmt = CONF.log_date_format
|
||||
# NOTE(alaski): CONF.log_format overrides everything currently. This
|
||||
# should be deprecated in favor of context aware formatting.
|
||||
if CONF.log_format:
|
||||
handler.setFormatter(logging.Formatter(fmt=CONF.log_format,
|
||||
datefmt=datefmt))
|
||||
handler.setFormatter(LegacyFormatter(datefmt=datefmt))
|
||||
log_root.info('Deprecated: log_format is now deprecated and will '
|
||||
'be removed in the next release')
|
||||
else:
|
||||
handler.setFormatter(ContextFormatter(datefmt=datefmt))
|
||||
|
||||
if CONF.debug:
|
||||
log_root.setLevel(logging.DEBUG)
|
||||
|
|
@ -410,14 +449,11 @@ def _setup_logging_from_conf(product_name):
|
|||
else:
|
||||
log_root.setLevel(logging.WARNING)
|
||||
|
||||
level = logging.NOTSET
|
||||
for pair in CONF.default_log_levels:
|
||||
mod, _sep, level_name = pair.partition('=')
|
||||
level = logging.getLevelName(level_name)
|
||||
logger = logging.getLogger(mod)
|
||||
logger.setLevel(level)
|
||||
for handler in log_root.handlers:
|
||||
logger.addHandler(handler)
|
||||
|
||||
_loggers = {}
|
||||
|
||||
|
|
@ -430,6 +466,15 @@ def getLogger(name='unknown', version='unknown'):
|
|||
return _loggers[name]
|
||||
|
||||
|
||||
def getLazyLogger(name='unknown', version='unknown'):
|
||||
"""
|
||||
create a pass-through logger that does not create the real logger
|
||||
until it is really needed and delegates all calls to the real logger
|
||||
once it is created
|
||||
"""
|
||||
return LazyAdapter(name, version)
|
||||
|
||||
|
||||
class WritableLogger(object):
|
||||
"""A thin wrapper that responds to `write` and logs."""
|
||||
|
||||
|
|
@ -441,7 +486,7 @@ class WritableLogger(object):
|
|||
self.logger.log(self.level, msg)
|
||||
|
||||
|
||||
class LegacyFormatter(logging.Formatter):
|
||||
class ContextFormatter(logging.Formatter):
|
||||
"""A context.RequestContext aware formatter configured through flags.
|
||||
|
||||
The flags used to set format strings are: logging_context_format_string
|
||||
|
|
|
|||
|
|
@ -0,0 +1,147 @@
|
|||
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
||||
|
||||
# Copyright 2010 United States Government as represented by the
|
||||
# Administrator of the National Aeronautics and Space Administration.
|
||||
# Copyright 2011 Justin Santa Barbara
|
||||
# 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.
|
||||
|
||||
import sys
|
||||
|
||||
from eventlet import event
|
||||
from eventlet import greenthread
|
||||
|
||||
from glance.openstack.common.gettextutils import _
|
||||
from glance.openstack.common import log as logging
|
||||
from glance.openstack.common import timeutils
|
||||
|
||||
LOG = logging.getLogger(__name__)
|
||||
|
||||
|
||||
class LoopingCallDone(Exception):
|
||||
"""Exception to break out and stop a LoopingCall.
|
||||
|
||||
The poll-function passed to LoopingCall can raise this exception to
|
||||
break out of the loop normally. This is somewhat analogous to
|
||||
StopIteration.
|
||||
|
||||
An optional return-value can be included as the argument to the exception;
|
||||
this return-value will be returned by LoopingCall.wait()
|
||||
|
||||
"""
|
||||
|
||||
def __init__(self, retvalue=True):
|
||||
""":param retvalue: Value that LoopingCall.wait() should return."""
|
||||
self.retvalue = retvalue
|
||||
|
||||
|
||||
class LoopingCallBase(object):
|
||||
def __init__(self, f=None, *args, **kw):
|
||||
self.args = args
|
||||
self.kw = kw
|
||||
self.f = f
|
||||
self._running = False
|
||||
self.done = None
|
||||
|
||||
def stop(self):
|
||||
self._running = False
|
||||
|
||||
def wait(self):
|
||||
return self.done.wait()
|
||||
|
||||
|
||||
class FixedIntervalLoopingCall(LoopingCallBase):
|
||||
"""A fixed interval looping call."""
|
||||
|
||||
def start(self, interval, initial_delay=None):
|
||||
self._running = True
|
||||
done = event.Event()
|
||||
|
||||
def _inner():
|
||||
if initial_delay:
|
||||
greenthread.sleep(initial_delay)
|
||||
|
||||
try:
|
||||
while self._running:
|
||||
start = timeutils.utcnow()
|
||||
self.f(*self.args, **self.kw)
|
||||
end = timeutils.utcnow()
|
||||
if not self._running:
|
||||
break
|
||||
delay = interval - timeutils.delta_seconds(start, end)
|
||||
if delay <= 0:
|
||||
LOG.warn(_('task run outlasted interval by %s sec') %
|
||||
-delay)
|
||||
greenthread.sleep(delay if delay > 0 else 0)
|
||||
except LoopingCallDone as e:
|
||||
self.stop()
|
||||
done.send(e.retvalue)
|
||||
except Exception:
|
||||
LOG.exception(_('in fixed duration looping call'))
|
||||
done.send_exception(*sys.exc_info())
|
||||
return
|
||||
else:
|
||||
done.send(True)
|
||||
|
||||
self.done = done
|
||||
|
||||
greenthread.spawn_n(_inner)
|
||||
return self.done
|
||||
|
||||
|
||||
# TODO(mikal): this class name is deprecated in Havana and should be removed
|
||||
# in the I release
|
||||
LoopingCall = FixedIntervalLoopingCall
|
||||
|
||||
|
||||
class DynamicLoopingCall(LoopingCallBase):
|
||||
"""A looping call which sleeps until the next known event.
|
||||
|
||||
The function called should return how long to sleep for before being
|
||||
called again.
|
||||
"""
|
||||
|
||||
def start(self, initial_delay=None, periodic_interval_max=None):
|
||||
self._running = True
|
||||
done = event.Event()
|
||||
|
||||
def _inner():
|
||||
if initial_delay:
|
||||
greenthread.sleep(initial_delay)
|
||||
|
||||
try:
|
||||
while self._running:
|
||||
idle = self.f(*self.args, **self.kw)
|
||||
if not self._running:
|
||||
break
|
||||
|
||||
if periodic_interval_max is not None:
|
||||
idle = min(idle, periodic_interval_max)
|
||||
LOG.debug(_('Dynamic looping call sleeping for %.02f '
|
||||
'seconds'), idle)
|
||||
greenthread.sleep(idle)
|
||||
except LoopingCallDone as e:
|
||||
self.stop()
|
||||
done.send(e.retvalue)
|
||||
except Exception:
|
||||
LOG.exception(_('in dynamic looping call'))
|
||||
done.send_exception(*sys.exc_info())
|
||||
return
|
||||
else:
|
||||
done.send(True)
|
||||
|
||||
self.done = done
|
||||
|
||||
greenthread.spawn(_inner)
|
||||
return self.done
|
||||
|
|
@ -0,0 +1,69 @@
|
|||
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
||||
|
||||
# Copyright 2012 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.
|
||||
|
||||
"""
|
||||
Network-related utilities and helper functions.
|
||||
"""
|
||||
|
||||
from glance.openstack.common import log as logging
|
||||
|
||||
|
||||
LOG = logging.getLogger(__name__)
|
||||
|
||||
|
||||
def parse_host_port(address, default_port=None):
|
||||
"""
|
||||
Interpret a string as a host:port pair.
|
||||
An IPv6 address MUST be escaped if accompanied by a port,
|
||||
because otherwise ambiguity ensues: 2001:db8:85a3::8a2e:370:7334
|
||||
means both [2001:db8:85a3::8a2e:370:7334] and
|
||||
[2001:db8:85a3::8a2e:370]:7334.
|
||||
|
||||
>>> parse_host_port('server01:80')
|
||||
('server01', 80)
|
||||
>>> parse_host_port('server01')
|
||||
('server01', None)
|
||||
>>> parse_host_port('server01', default_port=1234)
|
||||
('server01', 1234)
|
||||
>>> parse_host_port('[::1]:80')
|
||||
('::1', 80)
|
||||
>>> parse_host_port('[::1]')
|
||||
('::1', None)
|
||||
>>> parse_host_port('[::1]', default_port=1234)
|
||||
('::1', 1234)
|
||||
>>> parse_host_port('2001:db8:85a3::8a2e:370:7334', default_port=1234)
|
||||
('2001:db8:85a3::8a2e:370:7334', 1234)
|
||||
|
||||
"""
|
||||
if address[0] == '[':
|
||||
# Escaped ipv6
|
||||
_host, _port = address[1:].split(']')
|
||||
host = _host
|
||||
if ':' in _port:
|
||||
port = _port.split(':')[1]
|
||||
else:
|
||||
port = default_port
|
||||
else:
|
||||
if address.count(':') == 1:
|
||||
host, port = address.split(':')
|
||||
else:
|
||||
# 0 means ipv4, >1 means ipv6.
|
||||
# We prohibit unescaped ipv6 addresses with port.
|
||||
host = address
|
||||
port = default_port
|
||||
|
||||
return (host, None if port is None else int(port))
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
# Copyright 2011 OpenStack LLC.
|
||||
# Copyright 2011 OpenStack Foundation.
|
||||
# All Rights Reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
# Copyright 2011 OpenStack LLC.
|
||||
# Copyright 2011 OpenStack Foundation.
|
||||
# All Rights Reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
|
|
@ -30,7 +30,6 @@ LOG = logging.getLogger(__name__)
|
|||
notifier_opts = [
|
||||
cfg.MultiStrOpt('notification_driver',
|
||||
default=[],
|
||||
deprecated_name='list_notifier_drivers',
|
||||
help='Driver or drivers to handle sending notifications'),
|
||||
cfg.StrOpt('default_notification_level',
|
||||
default='INFO',
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
# Copyright 2011 OpenStack LLC.
|
||||
# Copyright 2011 OpenStack Foundation.
|
||||
# All Rights Reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
# Copyright 2011 OpenStack LLC.
|
||||
# Copyright 2011 OpenStack Foundation.
|
||||
# All Rights Reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
# Copyright 2011 OpenStack LLC.
|
||||
# Copyright 2011 OpenStack Foundation.
|
||||
# All Rights Reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
# Copyright 2011 OpenStack LLC.
|
||||
# Copyright 2011 OpenStack Foundation.
|
||||
# All Rights Reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
# Copyright 2011 OpenStack LLC.
|
||||
# Copyright 2011 OpenStack Foundation.
|
||||
# All Rights Reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
||||
|
||||
# Copyright (c) 2012 OpenStack, LLC.
|
||||
# Copyright (c) 2012 OpenStack Foundation.
|
||||
# All Rights Reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
|
|
@ -57,14 +57,15 @@ as it allows particular rules to be explicitly disabled.
|
|||
"""
|
||||
|
||||
import abc
|
||||
import logging
|
||||
import re
|
||||
import urllib
|
||||
|
||||
import six
|
||||
import urllib2
|
||||
|
||||
from glance.openstack.common.gettextutils import _
|
||||
from glance.openstack.common import jsonutils
|
||||
from glance.openstack.common import log as logging
|
||||
|
||||
|
||||
LOG = logging.getLogger(__name__)
|
||||
|
|
@ -436,7 +437,7 @@ def _parse_list_rule(rule):
|
|||
or_list.append(AndCheck(and_list))
|
||||
|
||||
# If we have only one check, omit the "or"
|
||||
if len(or_list) == 0:
|
||||
if not or_list:
|
||||
return FalseCheck()
|
||||
elif len(or_list) == 1:
|
||||
return or_list[0]
|
||||
|
|
@ -775,5 +776,5 @@ class GenericCheck(Check):
|
|||
# TODO(termie): do dict inspection via dot syntax
|
||||
match = self.match % target
|
||||
if self.kind in creds:
|
||||
return match == unicode(creds[self.kind])
|
||||
return match == six.text_type(creds[self.kind])
|
||||
return False
|
||||
|
|
|
|||
|
|
@ -0,0 +1,247 @@
|
|||
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
||||
|
||||
# Copyright 2011 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.
|
||||
|
||||
"""
|
||||
System-level utilities and helper functions.
|
||||
"""
|
||||
|
||||
import os
|
||||
import random
|
||||
import shlex
|
||||
import signal
|
||||
|
||||
from eventlet.green import subprocess
|
||||
from eventlet import greenthread
|
||||
|
||||
from glance.openstack.common.gettextutils import _
|
||||
from glance.openstack.common import log as logging
|
||||
|
||||
|
||||
LOG = logging.getLogger(__name__)
|
||||
|
||||
|
||||
class InvalidArgumentError(Exception):
|
||||
def __init__(self, message=None):
|
||||
super(InvalidArgumentError, self).__init__(message)
|
||||
|
||||
|
||||
class UnknownArgumentError(Exception):
|
||||
def __init__(self, message=None):
|
||||
super(UnknownArgumentError, self).__init__(message)
|
||||
|
||||
|
||||
class ProcessExecutionError(Exception):
|
||||
def __init__(self, stdout=None, stderr=None, exit_code=None, cmd=None,
|
||||
description=None):
|
||||
self.exit_code = exit_code
|
||||
self.stderr = stderr
|
||||
self.stdout = stdout
|
||||
self.cmd = cmd
|
||||
self.description = description
|
||||
|
||||
if description is None:
|
||||
description = "Unexpected error while running command."
|
||||
if exit_code is None:
|
||||
exit_code = '-'
|
||||
message = ("%s\nCommand: %s\nExit code: %s\nStdout: %r\nStderr: %r"
|
||||
% (description, cmd, exit_code, stdout, stderr))
|
||||
super(ProcessExecutionError, self).__init__(message)
|
||||
|
||||
|
||||
class NoRootWrapSpecified(Exception):
|
||||
def __init__(self, message=None):
|
||||
super(NoRootWrapSpecified, self).__init__(message)
|
||||
|
||||
|
||||
def _subprocess_setup():
|
||||
# Python installs a SIGPIPE handler by default. This is usually not what
|
||||
# non-Python subprocesses expect.
|
||||
signal.signal(signal.SIGPIPE, signal.SIG_DFL)
|
||||
|
||||
|
||||
def execute(*cmd, **kwargs):
|
||||
"""
|
||||
Helper method to shell out and execute a command through subprocess with
|
||||
optional retry.
|
||||
|
||||
:param cmd: Passed to subprocess.Popen.
|
||||
:type cmd: string
|
||||
:param process_input: Send to opened process.
|
||||
:type proces_input: string
|
||||
:param check_exit_code: Single bool, int, or list of allowed exit
|
||||
codes. Defaults to [0]. Raise
|
||||
:class:`ProcessExecutionError` unless
|
||||
program exits with one of these code.
|
||||
:type check_exit_code: boolean, int, or [int]
|
||||
:param delay_on_retry: True | False. Defaults to True. If set to True,
|
||||
wait a short amount of time before retrying.
|
||||
:type delay_on_retry: boolean
|
||||
:param attempts: How many times to retry cmd.
|
||||
:type attempts: int
|
||||
:param run_as_root: True | False. Defaults to False. If set to True,
|
||||
the command is prefixed by the command specified
|
||||
in the root_helper kwarg.
|
||||
:type run_as_root: boolean
|
||||
:param root_helper: command to prefix to commands called with
|
||||
run_as_root=True
|
||||
:type root_helper: string
|
||||
:param shell: whether or not there should be a shell used to
|
||||
execute this command. Defaults to false.
|
||||
:type shell: boolean
|
||||
:returns: (stdout, stderr) from process execution
|
||||
:raises: :class:`UnknownArgumentError` on
|
||||
receiving unknown arguments
|
||||
:raises: :class:`ProcessExecutionError`
|
||||
"""
|
||||
|
||||
process_input = kwargs.pop('process_input', None)
|
||||
check_exit_code = kwargs.pop('check_exit_code', [0])
|
||||
ignore_exit_code = False
|
||||
delay_on_retry = kwargs.pop('delay_on_retry', True)
|
||||
attempts = kwargs.pop('attempts', 1)
|
||||
run_as_root = kwargs.pop('run_as_root', False)
|
||||
root_helper = kwargs.pop('root_helper', '')
|
||||
shell = kwargs.pop('shell', False)
|
||||
|
||||
if isinstance(check_exit_code, bool):
|
||||
ignore_exit_code = not check_exit_code
|
||||
check_exit_code = [0]
|
||||
elif isinstance(check_exit_code, int):
|
||||
check_exit_code = [check_exit_code]
|
||||
|
||||
if kwargs:
|
||||
raise UnknownArgumentError(_('Got unknown keyword args '
|
||||
'to utils.execute: %r') % kwargs)
|
||||
|
||||
if run_as_root and os.geteuid() != 0:
|
||||
if not root_helper:
|
||||
raise NoRootWrapSpecified(
|
||||
message=('Command requested root, but did not specify a root '
|
||||
'helper.'))
|
||||
cmd = shlex.split(root_helper) + list(cmd)
|
||||
|
||||
cmd = map(str, cmd)
|
||||
|
||||
while attempts > 0:
|
||||
attempts -= 1
|
||||
try:
|
||||
LOG.debug(_('Running cmd (subprocess): %s'), ' '.join(cmd))
|
||||
_PIPE = subprocess.PIPE # pylint: disable=E1101
|
||||
|
||||
if os.name == 'nt':
|
||||
preexec_fn = None
|
||||
close_fds = False
|
||||
else:
|
||||
preexec_fn = _subprocess_setup
|
||||
close_fds = True
|
||||
|
||||
obj = subprocess.Popen(cmd,
|
||||
stdin=_PIPE,
|
||||
stdout=_PIPE,
|
||||
stderr=_PIPE,
|
||||
close_fds=close_fds,
|
||||
preexec_fn=preexec_fn,
|
||||
shell=shell)
|
||||
result = None
|
||||
if process_input is not None:
|
||||
result = obj.communicate(process_input)
|
||||
else:
|
||||
result = obj.communicate()
|
||||
obj.stdin.close() # pylint: disable=E1101
|
||||
_returncode = obj.returncode # pylint: disable=E1101
|
||||
if _returncode:
|
||||
LOG.debug(_('Result was %s') % _returncode)
|
||||
if not ignore_exit_code and _returncode not in check_exit_code:
|
||||
(stdout, stderr) = result
|
||||
raise ProcessExecutionError(exit_code=_returncode,
|
||||
stdout=stdout,
|
||||
stderr=stderr,
|
||||
cmd=' '.join(cmd))
|
||||
return result
|
||||
except ProcessExecutionError:
|
||||
if not attempts:
|
||||
raise
|
||||
else:
|
||||
LOG.debug(_('%r failed. Retrying.'), cmd)
|
||||
if delay_on_retry:
|
||||
greenthread.sleep(random.randint(20, 200) / 100.0)
|
||||
finally:
|
||||
# NOTE(termie): this appears to be necessary to let the subprocess
|
||||
# call clean something up in between calls, without
|
||||
# it two execute calls in a row hangs the second one
|
||||
greenthread.sleep(0)
|
||||
|
||||
|
||||
def trycmd(*args, **kwargs):
|
||||
"""
|
||||
A wrapper around execute() to more easily handle warnings and errors.
|
||||
|
||||
Returns an (out, err) tuple of strings containing the output of
|
||||
the command's stdout and stderr. If 'err' is not empty then the
|
||||
command can be considered to have failed.
|
||||
|
||||
:discard_warnings True | False. Defaults to False. If set to True,
|
||||
then for succeeding commands, stderr is cleared
|
||||
|
||||
"""
|
||||
discard_warnings = kwargs.pop('discard_warnings', False)
|
||||
|
||||
try:
|
||||
out, err = execute(*args, **kwargs)
|
||||
failed = False
|
||||
except ProcessExecutionError, exn:
|
||||
out, err = '', str(exn)
|
||||
failed = True
|
||||
|
||||
if not failed and discard_warnings and err:
|
||||
# Handle commands that output to stderr but otherwise succeed
|
||||
err = ''
|
||||
|
||||
return out, err
|
||||
|
||||
|
||||
def ssh_execute(ssh, cmd, process_input=None,
|
||||
addl_env=None, check_exit_code=True):
|
||||
LOG.debug(_('Running cmd (SSH): %s'), cmd)
|
||||
if addl_env:
|
||||
raise InvalidArgumentError(_('Environment not supported over SSH'))
|
||||
|
||||
if process_input:
|
||||
# This is (probably) fixable if we need it...
|
||||
raise InvalidArgumentError(_('process_input not supported over SSH'))
|
||||
|
||||
stdin_stream, stdout_stream, stderr_stream = ssh.exec_command(cmd)
|
||||
channel = stdout_stream.channel
|
||||
|
||||
# NOTE(justinsb): This seems suspicious...
|
||||
# ...other SSH clients have buffering issues with this approach
|
||||
stdout = stdout_stream.read()
|
||||
stderr = stderr_stream.read()
|
||||
stdin_stream.close()
|
||||
|
||||
exit_status = channel.recv_exit_status()
|
||||
|
||||
# exit_status == -1 if no exit code was returned
|
||||
if exit_status != -1:
|
||||
LOG.debug(_('Result was %s') % exit_status)
|
||||
if check_exit_code and exit_status != 0:
|
||||
raise ProcessExecutionError(exit_code=exit_status,
|
||||
stdout=stdout,
|
||||
stderr=stderr,
|
||||
cmd=cmd)
|
||||
|
||||
return (stdout, stderr)
|
||||
|
|
@ -0,0 +1,332 @@
|
|||
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
||||
|
||||
# Copyright 2010 United States Government as represented by the
|
||||
# Administrator of the National Aeronautics and Space Administration.
|
||||
# Copyright 2011 Justin Santa Barbara
|
||||
# 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.
|
||||
|
||||
"""Generic Node base class for all workers that run on hosts."""
|
||||
|
||||
import errno
|
||||
import os
|
||||
import random
|
||||
import signal
|
||||
import sys
|
||||
import time
|
||||
|
||||
import eventlet
|
||||
import logging as std_logging
|
||||
from oslo.config import cfg
|
||||
|
||||
from glance.openstack.common import eventlet_backdoor
|
||||
from glance.openstack.common.gettextutils import _
|
||||
from glance.openstack.common import importutils
|
||||
from glance.openstack.common import log as logging
|
||||
from glance.openstack.common import threadgroup
|
||||
|
||||
|
||||
rpc = importutils.try_import('glance.openstack.common.rpc')
|
||||
CONF = cfg.CONF
|
||||
LOG = logging.getLogger(__name__)
|
||||
|
||||
|
||||
class Launcher(object):
|
||||
"""Launch one or more services and wait for them to complete."""
|
||||
|
||||
def __init__(self):
|
||||
"""Initialize the service launcher.
|
||||
|
||||
:returns: None
|
||||
|
||||
"""
|
||||
self._services = threadgroup.ThreadGroup()
|
||||
eventlet_backdoor.initialize_if_enabled()
|
||||
|
||||
@staticmethod
|
||||
def run_service(service):
|
||||
"""Start and wait for a service to finish.
|
||||
|
||||
:param service: service to run and wait for.
|
||||
:returns: None
|
||||
|
||||
"""
|
||||
service.start()
|
||||
service.wait()
|
||||
|
||||
def launch_service(self, service):
|
||||
"""Load and start the given service.
|
||||
|
||||
:param service: The service you would like to start.
|
||||
:returns: None
|
||||
|
||||
"""
|
||||
self._services.add_thread(self.run_service, service)
|
||||
|
||||
def stop(self):
|
||||
"""Stop all services which are currently running.
|
||||
|
||||
:returns: None
|
||||
|
||||
"""
|
||||
self._services.stop()
|
||||
|
||||
def wait(self):
|
||||
"""Waits until all services have been stopped, and then returns.
|
||||
|
||||
:returns: None
|
||||
|
||||
"""
|
||||
self._services.wait()
|
||||
|
||||
|
||||
class SignalExit(SystemExit):
|
||||
def __init__(self, signo, exccode=1):
|
||||
super(SignalExit, self).__init__(exccode)
|
||||
self.signo = signo
|
||||
|
||||
|
||||
class ServiceLauncher(Launcher):
|
||||
def _handle_signal(self, signo, frame):
|
||||
# Allow the process to be killed again and die from natural causes
|
||||
signal.signal(signal.SIGTERM, signal.SIG_DFL)
|
||||
signal.signal(signal.SIGINT, signal.SIG_DFL)
|
||||
|
||||
raise SignalExit(signo)
|
||||
|
||||
def wait(self):
|
||||
signal.signal(signal.SIGTERM, self._handle_signal)
|
||||
signal.signal(signal.SIGINT, self._handle_signal)
|
||||
|
||||
LOG.debug(_('Full set of CONF:'))
|
||||
CONF.log_opt_values(LOG, std_logging.DEBUG)
|
||||
|
||||
status = None
|
||||
try:
|
||||
super(ServiceLauncher, self).wait()
|
||||
except SignalExit as exc:
|
||||
signame = {signal.SIGTERM: 'SIGTERM',
|
||||
signal.SIGINT: 'SIGINT'}[exc.signo]
|
||||
LOG.info(_('Caught %s, exiting'), signame)
|
||||
status = exc.code
|
||||
except SystemExit as exc:
|
||||
status = exc.code
|
||||
finally:
|
||||
if rpc:
|
||||
rpc.cleanup()
|
||||
self.stop()
|
||||
return status
|
||||
|
||||
|
||||
class ServiceWrapper(object):
|
||||
def __init__(self, service, workers):
|
||||
self.service = service
|
||||
self.workers = workers
|
||||
self.children = set()
|
||||
self.forktimes = []
|
||||
|
||||
|
||||
class ProcessLauncher(object):
|
||||
def __init__(self):
|
||||
self.children = {}
|
||||
self.sigcaught = None
|
||||
self.running = True
|
||||
rfd, self.writepipe = os.pipe()
|
||||
self.readpipe = eventlet.greenio.GreenPipe(rfd, 'r')
|
||||
|
||||
signal.signal(signal.SIGTERM, self._handle_signal)
|
||||
signal.signal(signal.SIGINT, self._handle_signal)
|
||||
|
||||
def _handle_signal(self, signo, frame):
|
||||
self.sigcaught = signo
|
||||
self.running = False
|
||||
|
||||
# Allow the process to be killed again and die from natural causes
|
||||
signal.signal(signal.SIGTERM, signal.SIG_DFL)
|
||||
signal.signal(signal.SIGINT, signal.SIG_DFL)
|
||||
|
||||
def _pipe_watcher(self):
|
||||
# This will block until the write end is closed when the parent
|
||||
# dies unexpectedly
|
||||
self.readpipe.read()
|
||||
|
||||
LOG.info(_('Parent process has died unexpectedly, exiting'))
|
||||
|
||||
sys.exit(1)
|
||||
|
||||
def _child_process(self, service):
|
||||
# Setup child signal handlers differently
|
||||
def _sigterm(*args):
|
||||
signal.signal(signal.SIGTERM, signal.SIG_DFL)
|
||||
raise SignalExit(signal.SIGTERM)
|
||||
|
||||
signal.signal(signal.SIGTERM, _sigterm)
|
||||
# Block SIGINT and let the parent send us a SIGTERM
|
||||
signal.signal(signal.SIGINT, signal.SIG_IGN)
|
||||
|
||||
# Reopen the eventlet hub to make sure we don't share an epoll
|
||||
# fd with parent and/or siblings, which would be bad
|
||||
eventlet.hubs.use_hub()
|
||||
|
||||
# Close write to ensure only parent has it open
|
||||
os.close(self.writepipe)
|
||||
# Create greenthread to watch for parent to close pipe
|
||||
eventlet.spawn_n(self._pipe_watcher)
|
||||
|
||||
# Reseed random number generator
|
||||
random.seed()
|
||||
|
||||
launcher = Launcher()
|
||||
launcher.run_service(service)
|
||||
|
||||
def _start_child(self, wrap):
|
||||
if len(wrap.forktimes) > wrap.workers:
|
||||
# Limit ourselves to one process a second (over the period of
|
||||
# number of workers * 1 second). This will allow workers to
|
||||
# start up quickly but ensure we don't fork off children that
|
||||
# die instantly too quickly.
|
||||
if time.time() - wrap.forktimes[0] < wrap.workers:
|
||||
LOG.info(_('Forking too fast, sleeping'))
|
||||
time.sleep(1)
|
||||
|
||||
wrap.forktimes.pop(0)
|
||||
|
||||
wrap.forktimes.append(time.time())
|
||||
|
||||
pid = os.fork()
|
||||
if pid == 0:
|
||||
# NOTE(johannes): All exceptions are caught to ensure this
|
||||
# doesn't fallback into the loop spawning children. It would
|
||||
# be bad for a child to spawn more children.
|
||||
status = 0
|
||||
try:
|
||||
self._child_process(wrap.service)
|
||||
except SignalExit as exc:
|
||||
signame = {signal.SIGTERM: 'SIGTERM',
|
||||
signal.SIGINT: 'SIGINT'}[exc.signo]
|
||||
LOG.info(_('Caught %s, exiting'), signame)
|
||||
status = exc.code
|
||||
except SystemExit as exc:
|
||||
status = exc.code
|
||||
except BaseException:
|
||||
LOG.exception(_('Unhandled exception'))
|
||||
status = 2
|
||||
finally:
|
||||
wrap.service.stop()
|
||||
|
||||
os._exit(status)
|
||||
|
||||
LOG.info(_('Started child %d'), pid)
|
||||
|
||||
wrap.children.add(pid)
|
||||
self.children[pid] = wrap
|
||||
|
||||
return pid
|
||||
|
||||
def launch_service(self, service, workers=1):
|
||||
wrap = ServiceWrapper(service, workers)
|
||||
|
||||
LOG.info(_('Starting %d workers'), wrap.workers)
|
||||
while self.running and len(wrap.children) < wrap.workers:
|
||||
self._start_child(wrap)
|
||||
|
||||
def _wait_child(self):
|
||||
try:
|
||||
# Don't block if no child processes have exited
|
||||
pid, status = os.waitpid(0, os.WNOHANG)
|
||||
if not pid:
|
||||
return None
|
||||
except OSError as exc:
|
||||
if exc.errno not in (errno.EINTR, errno.ECHILD):
|
||||
raise
|
||||
return None
|
||||
|
||||
if os.WIFSIGNALED(status):
|
||||
sig = os.WTERMSIG(status)
|
||||
LOG.info(_('Child %(pid)d killed by signal %(sig)d'),
|
||||
dict(pid=pid, sig=sig))
|
||||
else:
|
||||
code = os.WEXITSTATUS(status)
|
||||
LOG.info(_('Child %(pid)s exited with status %(code)d'),
|
||||
dict(pid=pid, code=code))
|
||||
|
||||
if pid not in self.children:
|
||||
LOG.warning(_('pid %d not in child list'), pid)
|
||||
return None
|
||||
|
||||
wrap = self.children.pop(pid)
|
||||
wrap.children.remove(pid)
|
||||
return wrap
|
||||
|
||||
def wait(self):
|
||||
"""Loop waiting on children to die and respawning as necessary"""
|
||||
|
||||
LOG.debug(_('Full set of CONF:'))
|
||||
CONF.log_opt_values(LOG, std_logging.DEBUG)
|
||||
|
||||
while self.running:
|
||||
wrap = self._wait_child()
|
||||
if not wrap:
|
||||
# Yield to other threads if no children have exited
|
||||
# Sleep for a short time to avoid excessive CPU usage
|
||||
# (see bug #1095346)
|
||||
eventlet.greenthread.sleep(.01)
|
||||
continue
|
||||
|
||||
while self.running and len(wrap.children) < wrap.workers:
|
||||
self._start_child(wrap)
|
||||
|
||||
if self.sigcaught:
|
||||
signame = {signal.SIGTERM: 'SIGTERM',
|
||||
signal.SIGINT: 'SIGINT'}[self.sigcaught]
|
||||
LOG.info(_('Caught %s, stopping children'), signame)
|
||||
|
||||
for pid in self.children:
|
||||
try:
|
||||
os.kill(pid, signal.SIGTERM)
|
||||
except OSError as exc:
|
||||
if exc.errno != errno.ESRCH:
|
||||
raise
|
||||
|
||||
# Wait for children to die
|
||||
if self.children:
|
||||
LOG.info(_('Waiting on %d children to exit'), len(self.children))
|
||||
while self.children:
|
||||
self._wait_child()
|
||||
|
||||
|
||||
class Service(object):
|
||||
"""Service object for binaries running on hosts."""
|
||||
|
||||
def __init__(self, threads=1000):
|
||||
self.tg = threadgroup.ThreadGroup(threads)
|
||||
|
||||
def start(self):
|
||||
pass
|
||||
|
||||
def stop(self):
|
||||
self.tg.stop()
|
||||
|
||||
def wait(self):
|
||||
self.tg.wait()
|
||||
|
||||
|
||||
def launch(service, workers=None):
|
||||
if workers:
|
||||
launcher = ProcessLauncher()
|
||||
launcher.launch_service(service, workers=workers)
|
||||
else:
|
||||
launcher = ServiceLauncher()
|
||||
launcher.launch_service(service)
|
||||
return launcher
|
||||
|
|
@ -20,6 +20,8 @@
|
|||
Utilities with minimum-depends for use in setup.py
|
||||
"""
|
||||
|
||||
from __future__ import print_function
|
||||
|
||||
import email
|
||||
import os
|
||||
import re
|
||||
|
|
@ -125,11 +127,9 @@ def _run_shell_command(cmd, throw_on_error=False):
|
|||
out = output.communicate()
|
||||
if output.returncode and throw_on_error:
|
||||
raise Exception("%s returned %d" % cmd, output.returncode)
|
||||
if len(out) == 0:
|
||||
if not out:
|
||||
return None
|
||||
if len(out[0].strip()) == 0:
|
||||
return None
|
||||
return out[0].strip()
|
||||
return out[0].strip() or None
|
||||
|
||||
|
||||
def _get_git_directory():
|
||||
|
|
@ -232,7 +232,7 @@ def get_cmdclass():
|
|||
builders = ['html', 'man']
|
||||
|
||||
def generate_autoindex(self):
|
||||
print "**Autodocumenting from %s" % os.path.abspath(os.curdir)
|
||||
print("**Autodocumenting from %s" % os.path.abspath(os.curdir))
|
||||
modules = {}
|
||||
option_dict = self.distribution.get_option_dict('build_sphinx')
|
||||
source_dir = os.path.join(option_dict['source_dir'][1], 'api')
|
||||
|
|
@ -257,7 +257,7 @@ def get_cmdclass():
|
|||
values = dict(module=module, heading=heading,
|
||||
underline=underline)
|
||||
|
||||
print "Generating %s" % output_filename
|
||||
print("Generating %s" % output_filename)
|
||||
with open(output_filename, 'w') as output_file:
|
||||
output_file.write(_rst_template % values)
|
||||
autoindex.write(" %s.rst\n" % module)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,114 @@
|
|||
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
||||
|
||||
# Copyright 2012 Red Hat, Inc.
|
||||
#
|
||||
# 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.
|
||||
|
||||
from eventlet import greenlet
|
||||
from eventlet import greenpool
|
||||
from eventlet import greenthread
|
||||
|
||||
from glance.openstack.common import log as logging
|
||||
from glance.openstack.common import loopingcall
|
||||
|
||||
|
||||
LOG = logging.getLogger(__name__)
|
||||
|
||||
|
||||
def _thread_done(gt, *args, **kwargs):
|
||||
""" Callback function to be passed to GreenThread.link() when we spawn()
|
||||
Calls the :class:`ThreadGroup` to notify if.
|
||||
|
||||
"""
|
||||
kwargs['group'].thread_done(kwargs['thread'])
|
||||
|
||||
|
||||
class Thread(object):
|
||||
""" Wrapper around a greenthread, that holds a reference to the
|
||||
:class:`ThreadGroup`. The Thread will notify the :class:`ThreadGroup` when
|
||||
it has done so it can be removed from the threads list.
|
||||
"""
|
||||
def __init__(self, thread, group):
|
||||
self.thread = thread
|
||||
self.thread.link(_thread_done, group=group, thread=self)
|
||||
|
||||
def stop(self):
|
||||
self.thread.kill()
|
||||
|
||||
def wait(self):
|
||||
return self.thread.wait()
|
||||
|
||||
|
||||
class ThreadGroup(object):
|
||||
""" The point of the ThreadGroup classis to:
|
||||
|
||||
* keep track of timers and greenthreads (making it easier to stop them
|
||||
when need be).
|
||||
* provide an easy API to add timers.
|
||||
"""
|
||||
def __init__(self, thread_pool_size=10):
|
||||
self.pool = greenpool.GreenPool(thread_pool_size)
|
||||
self.threads = []
|
||||
self.timers = []
|
||||
|
||||
def add_timer(self, interval, callback, initial_delay=None,
|
||||
*args, **kwargs):
|
||||
pulse = loopingcall.FixedIntervalLoopingCall(callback, *args, **kwargs)
|
||||
pulse.start(interval=interval,
|
||||
initial_delay=initial_delay)
|
||||
self.timers.append(pulse)
|
||||
|
||||
def add_thread(self, callback, *args, **kwargs):
|
||||
gt = self.pool.spawn(callback, *args, **kwargs)
|
||||
th = Thread(gt, self)
|
||||
self.threads.append(th)
|
||||
|
||||
def thread_done(self, thread):
|
||||
self.threads.remove(thread)
|
||||
|
||||
def stop(self):
|
||||
current = greenthread.getcurrent()
|
||||
for x in self.threads:
|
||||
if x is current:
|
||||
# don't kill the current thread.
|
||||
continue
|
||||
try:
|
||||
x.stop()
|
||||
except Exception as ex:
|
||||
LOG.exception(ex)
|
||||
|
||||
for x in self.timers:
|
||||
try:
|
||||
x.stop()
|
||||
except Exception as ex:
|
||||
LOG.exception(ex)
|
||||
self.timers = []
|
||||
|
||||
def wait(self):
|
||||
for x in self.timers:
|
||||
try:
|
||||
x.wait()
|
||||
except greenlet.GreenletExit:
|
||||
pass
|
||||
except Exception as ex:
|
||||
LOG.exception(ex)
|
||||
current = greenthread.getcurrent()
|
||||
for x in self.threads:
|
||||
if x is current:
|
||||
continue
|
||||
try:
|
||||
x.wait()
|
||||
except greenlet.GreenletExit:
|
||||
pass
|
||||
except Exception as ex:
|
||||
LOG.exception(ex)
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
||||
|
||||
# Copyright 2011 OpenStack LLC.
|
||||
# Copyright 2011 OpenStack Foundation.
|
||||
# All Rights Reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
|
|
@ -25,18 +25,22 @@ import datetime
|
|||
import iso8601
|
||||
|
||||
|
||||
TIME_FORMAT = "%Y-%m-%dT%H:%M:%S"
|
||||
PERFECT_TIME_FORMAT = "%Y-%m-%dT%H:%M:%S.%f"
|
||||
# ISO 8601 extended time format with microseconds
|
||||
_ISO8601_TIME_FORMAT_SUBSECOND = '%Y-%m-%dT%H:%M:%S.%f'
|
||||
_ISO8601_TIME_FORMAT = '%Y-%m-%dT%H:%M:%S'
|
||||
PERFECT_TIME_FORMAT = _ISO8601_TIME_FORMAT_SUBSECOND
|
||||
|
||||
|
||||
def isotime(at=None):
|
||||
def isotime(at=None, subsecond=False):
|
||||
"""Stringify time in ISO 8601 format"""
|
||||
if not at:
|
||||
at = utcnow()
|
||||
str = at.strftime(TIME_FORMAT)
|
||||
st = at.strftime(_ISO8601_TIME_FORMAT
|
||||
if not subsecond
|
||||
else _ISO8601_TIME_FORMAT_SUBSECOND)
|
||||
tz = at.tzinfo.tzname(None) if at.tzinfo else 'UTC'
|
||||
str += ('Z' if tz == 'UTC' else tz)
|
||||
return str
|
||||
st += ('Z' if tz == 'UTC' else tz)
|
||||
return st
|
||||
|
||||
|
||||
def parse_isotime(timestr):
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
||||
|
||||
# Copyright 2013 OpenStack, LLC
|
||||
# Copyright 2013 OpenStack Foundation
|
||||
# Copyright 2013 IBM Corp.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
|
|
@ -18,10 +18,15 @@
|
|||
"""Provides methods needed by installation script for OpenStack development
|
||||
virtual environments.
|
||||
|
||||
Since this script is used to bootstrap a virtualenv from the system's Python
|
||||
environment, it should be kept strictly compatible with Python 2.6.
|
||||
|
||||
Synced in from openstack-common
|
||||
"""
|
||||
|
||||
import argparse
|
||||
from __future__ import print_function
|
||||
|
||||
import optparse
|
||||
import os
|
||||
import subprocess
|
||||
import sys
|
||||
|
|
@ -39,7 +44,7 @@ class InstallVenv(object):
|
|||
self.project = project
|
||||
|
||||
def die(self, message, *args):
|
||||
print >> sys.stderr, message % args
|
||||
print(message % args, file=sys.stderr)
|
||||
sys.exit(1)
|
||||
|
||||
def check_python_version(self):
|
||||
|
|
@ -86,20 +91,20 @@ class InstallVenv(object):
|
|||
virtual environment.
|
||||
"""
|
||||
if not os.path.isdir(self.venv):
|
||||
print 'Creating venv...',
|
||||
print('Creating venv...', end=' ')
|
||||
if no_site_packages:
|
||||
self.run_command(['virtualenv', '-q', '--no-site-packages',
|
||||
self.venv])
|
||||
else:
|
||||
self.run_command(['virtualenv', '-q', self.venv])
|
||||
print 'done.'
|
||||
print 'Installing pip in venv...',
|
||||
print('done.')
|
||||
print('Installing pip in venv...', end=' ')
|
||||
if not self.run_command(['tools/with_venv.sh', 'easy_install',
|
||||
'pip>1.0']).strip():
|
||||
self.die("Failed to install pip.")
|
||||
print 'done.'
|
||||
print('done.')
|
||||
else:
|
||||
print "venv already exists..."
|
||||
print("venv already exists...")
|
||||
pass
|
||||
|
||||
def pip_install(self, *args):
|
||||
|
|
@ -108,7 +113,7 @@ class InstallVenv(object):
|
|||
redirect_output=False)
|
||||
|
||||
def install_dependencies(self):
|
||||
print 'Installing dependencies with pip (this can take a while)...'
|
||||
print('Installing dependencies with pip (this can take a while)...')
|
||||
|
||||
# First things first, make sure our venv has the latest pip and
|
||||
# distribute.
|
||||
|
|
@ -131,12 +136,12 @@ class InstallVenv(object):
|
|||
|
||||
def parse_args(self, argv):
|
||||
"""Parses command-line arguments."""
|
||||
parser = argparse.ArgumentParser()
|
||||
parser.add_argument('-n', '--no-site-packages',
|
||||
action='store_true',
|
||||
help="Do not inherit packages from global Python "
|
||||
"install")
|
||||
return parser.parse_args(argv[1:])
|
||||
parser = optparse.OptionParser()
|
||||
parser.add_option('-n', '--no-site-packages',
|
||||
action='store_true',
|
||||
help="Do not inherit packages from global Python "
|
||||
"install")
|
||||
return parser.parse_args(argv[1:])[0]
|
||||
|
||||
|
||||
class Distro(InstallVenv):
|
||||
|
|
@ -150,12 +155,12 @@ class Distro(InstallVenv):
|
|||
return
|
||||
|
||||
if self.check_cmd('easy_install'):
|
||||
print 'Installing virtualenv via easy_install...',
|
||||
print('Installing virtualenv via easy_install...', end=' ')
|
||||
if self.run_command(['easy_install', 'virtualenv']):
|
||||
print 'Succeeded'
|
||||
print('Succeeded')
|
||||
return
|
||||
else:
|
||||
print 'Failed'
|
||||
print('Failed')
|
||||
|
||||
self.die('ERROR: virtualenv not found.\n\n%s development'
|
||||
' requires virtualenv, please install it using your'
|
||||
|
|
@ -180,19 +185,16 @@ class Fedora(Distro):
|
|||
return self.run_command_with_code(['rpm', '-q', pkg],
|
||||
check_exit_code=False)[1] == 0
|
||||
|
||||
def yum_install(self, pkg, **kwargs):
|
||||
print "Attempting to install '%s' via yum" % pkg
|
||||
self.run_command(['sudo', 'yum', 'install', '-y', pkg], **kwargs)
|
||||
|
||||
def apply_patch(self, originalfile, patchfile):
|
||||
self.run_command(['patch', originalfile, patchfile])
|
||||
self.run_command(['patch', '-N', originalfile, patchfile],
|
||||
check_exit_code=False)
|
||||
|
||||
def install_virtualenv(self):
|
||||
if self.check_cmd('virtualenv'):
|
||||
return
|
||||
|
||||
if not self.check_pkg('python-virtualenv'):
|
||||
self.yum_install('python-virtualenv', check_exit_code=False)
|
||||
self.die("Please install 'python-virtualenv'.")
|
||||
|
||||
super(Fedora, self).install_virtualenv()
|
||||
|
||||
|
|
@ -205,12 +207,13 @@ class Fedora(Distro):
|
|||
This can be removed when the fix is applied upstream.
|
||||
|
||||
Nova: https://bugs.launchpad.net/nova/+bug/884915
|
||||
Upstream: https://bitbucket.org/which_linden/eventlet/issue/89
|
||||
Upstream: https://bitbucket.org/eventlet/eventlet/issue/89
|
||||
RHEL: https://bugzilla.redhat.com/958868
|
||||
"""
|
||||
|
||||
# Install "patch" program if it's not there
|
||||
if not self.check_pkg('patch'):
|
||||
self.yum_install('patch')
|
||||
self.die("Please install 'patch'.")
|
||||
|
||||
# Apply the eventlet patch
|
||||
self.apply_patch(os.path.join(self.venv, 'lib', self.py_version,
|
||||
|
|
|
|||
|
|
@ -37,3 +37,6 @@ passlib
|
|||
jsonschema
|
||||
python-keystoneclient>=0.2.0
|
||||
pyOpenSSL
|
||||
|
||||
# Required by openstack.common libraries
|
||||
six
|
||||
|
|
|
|||
Loading…
Reference in New Issue