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Viewing changes to nova/common/eventlet_backdoor.py

  • Committer: Package Import Robot
  • Author(s): Chuck Short
  • Date: 2012-05-24 13:12:53 UTC
  • mfrom: (1.1.55)
  • Revision ID: package-import@ubuntu.com-20120524131253-ommql08fg1en06ut
Tags: 2012.2~f1-0ubuntu1
https://launchpad.net/bugs/907197
* New upstream release.
* Prepare for quantal:
  - Dropped debian/patches/upstream/0006-Use-project_id-in-ec2.cloud._format_image.patch
  - Dropped debian/patches/upstream/0005-Populate-image-properties-with-project_id-again.patch
  - Dropped debian/patches/upstream/0004-Fixed-bug-962840-added-a-test-case.patch
  - Dropped debian/patches/upstream/0003-Allow-unprivileged-RADOS-users-to-access-rbd-volumes.patch
  - Dropped debian/patches/upstream/0002-Stop-libvirt-test-from-deleting-instances-dir.patch
  - Dropped debian/patches/upstream/0001-fix-bug-where-nova-ignores-glance-host-in-imageref.patch 
  - Dropped debian/patches/0001-fix-useexisting-deprecation-warnings.patch
* debian/control: Add python-keystone as a dependency. (LP: #907197)
* debian/patches/kombu_tests_timeout.patch: Refreshed.
* debian/nova.conf, debian/nova-common.postinst: Convert to new ini
  file configuration
* debian/patches/nova-manage_flagfile_location.patch: Refreshed

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nova/common/eventlet_backdoor.py
 
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
 
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# Copyright (c) 2012 Openstack, LLC.
 
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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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import gc
 
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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 nova import flags
 
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from nova.openstack.common 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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FLAGS = flags.FLAGS
 
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FLAGS.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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backdoor_locals = {
 
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    '_': None,                  # So it doesn't interfere with the global
 
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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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}
 
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def initialize_if_enabled():
 
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    if FLAGS.backdoor_port is None:
 
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        return
 
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    eventlet.spawn(eventlet.backdoor.backdoor_server,
 
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                   eventlet.listen(('localhost', FLAGS.backdoor_port)),
 
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                   locals=backdoor_locals)