Improve README file and add an initial Sphinx environment
Change-Id: I06e892f2259ab29698b100145e57c9410fba8eea
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Christian Berendt
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README.rst
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README.rst
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ospurge: OpenStack project resources cleaner
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********************************************
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OpenStack project resources cleaner
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===================================
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``ospurge`` is a standalone, client-side, Python script that aims at
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deleting all resources (taking into account their interdependencies)
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in a specified OpenStack project. OSPurge ensures in a quick and
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automated way that no resource is left behind when a project is
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deleted.
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* ``ospurge`` is a standalone, client-side, operators tool that aims at
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deleting all resources, taking into account their interdependencies,
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in a specified OpenStack project.
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* ``ospurge`` ensures in a quick and automated way that no resource is
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left behind when a project is deleted.
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* ``ospurge`` can be used by a cloud administrator, this means a user with the
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admin role, to cleanup any project or by a non-privileged user to cleanup his
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own project.
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Supported resources
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-------------------
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At the moment it is possible to purge the following resources from a project:
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* Ceilometer alarms
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* floating IP addresses
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* images / snapshots
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* instances
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* networks
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* routers
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* security groups
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* Swift containers
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* Swift objects
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* volumes / snapshots
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Error codes
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-----------
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The following error codes are returned when ``ospurge`` encounters
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an error:
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* ``Code 0``: Process exited sucessfully
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* ``Code 1``: Unknown error
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* ``Code 2``: Project doesn't exist
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* ``Code 3``: Authentication failed (e.g. bad username or password)
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* ``Code 4``: Resource deletion failed
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* ``Code 5``: Connection error while deleting a resource (e.g. service not
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available)
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* ``Code 6``: Connection to endpoint failed (e.g. wrong authentication URL)
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``ospurge`` can be used by a cloud administrator (with the admin role)
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to cleanup any project or by a non-privileged user to cleanup his own
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project.
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Installation
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============
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------------
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Create a Python virtual environment (requires package virtualenvwrapper)::
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Create a Python virtual environment (requires the
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`virtualenvwrapper <https://virtualenvwrapper.readthedocs.org/>`_):
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.. code-block:: console
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$ mkvirtualenv ospurge
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Install ``ospurge``::
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Install ``ospurge`` with ``pip``:
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.. code-block:: console
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$ pip install ospurge
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The script is installed and can be launched::
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Available options can be displayed by using ``ospurge -h``:
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$ ospurge -h
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Usage
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=====
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Available options can be displayed by using ``ospurge -h``::
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.. code-block:: console
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$ ospurge -h
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usage: ospurge [-h] [--verbose] [--dry-run] [--dont-delete-project]
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@ -80,23 +114,8 @@ Available options can be displayed by using ``ospurge -h``::
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with caution.
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Error codes
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===========
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The following error codes are returned when ``ospurge`` encounters
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an error:
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* Code 2: Project doesn't exist
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* Code 3: Authentication failed (e.g. Bad username or password)
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* Code 4: Resource deletion failed
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* Code 5: Connection error while deleting a resource (e.g. Service not available)
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* Code 6: Connection to endpoint failed (e.g. authentication url)
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* Code 1: Unknown error
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* Code 0: Process exited sucessfully
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Example
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=======
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Example usage
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-------------
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To remove a project, credentials have to be
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provided. The usual OpenStack environment variables can be used. When
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@ -105,16 +124,20 @@ to be provided, by using either the ``--cleanup-project`` option or the
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``--own-project`` option. When the command returns, any resources associated
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to the project will have been definitively deleted.
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Setting OpenStack credentials::
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* Setting OpenStack credentials:
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.. code-block:: console
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$ export OS_USERNAME=admin
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$ export OS_PASSWORD=password
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$ export OS_TENANT_NAME=admin
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$ export OS_AUTH_URL=http://localhost:5000/v2.0
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Checking resources of the target project::
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* Checking resources of the target project:
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$ ./ospurge --dry-run --cleanup-project florent-demo
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.. code-block:: console
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$ ./ospurge --dry-run --cleanup-project demo
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* Resources type: CinderSnapshots
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* Resources type: NovaServers
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@ -142,11 +165,13 @@ Checking resources of the target project::
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* Resources type: CeilometerAlarms
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Removing resources without deleting the project::
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* Removing resources without deleting the project:
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$ ./ospurge --verbose --dont-delete-project --cleanup-project florent-demo
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.. code-block:: console
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$ ./ospurge --verbose --dont-delete-project --cleanup-project demo
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INFO:requests.packages.urllib3.connectionpool:Starting new HTTP connection (1): keystone.usr.lab0.aub.cw-labs.net
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INFO:root:* Granting role admin to user e7f562a29da3492baba2cc7c5a1f2d84 on project florent-demo.
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INFO:root:* Granting role admin to user e7f562a29da3492baba2cc7c5a1f2d84 on project demo.
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INFO:requests.packages.urllib3.connectionpool:Starting new HTTP connection (1): keystone-admin.usr.lab0.aub.cw-labs.net
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INFO:requests.packages.urllib3.connectionpool:Starting new HTTP connection (1): keystone-admin.usr.lab0.aub.cw-labs.net
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INFO:requests.packages.urllib3.connectionpool:Starting new HTTP connection (1): keystone-admin.usr.lab0.aub.cw-labs.net
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@ -174,9 +199,11 @@ Removing resources without deleting the project::
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INFO:requests.packages.urllib3.connectionpool:Starting new HTTP connection (1): cinder.usr.lab0.aub.cw-labs.net
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INFO:root:* Purging CeilometerAlarms
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Checking that resources have been correctly removed::
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* Checking that resources have been correctly removed:
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$ ./ospurge --dry-run --cleanup-project florent-demo
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.. code-block:: console
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$ ./ospurge --dry-run --cleanup-project demo
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* Resources type: CinderSnapshots
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* Resources type: NovaServers
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@ -201,41 +228,26 @@ Checking that resources have been correctly removed::
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* Resources type: CeilometerAlarms
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Removing project::
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* Removing project:
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$ ./ospurge --cleanup-project florent-demo
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$ ./ospurge --cleanup-project florent-demo
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Project florent-demo doesn't exist
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.. code-block:: console
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$ ./ospurge --cleanup-project demo
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$ ./ospurge --cleanup-project demo
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Project demo doesn't exist
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Deleted resources
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=================
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* Users can be deleted by using the ``python-keystoneclient`` command-line
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interface:
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The following resources will be removed:
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* ceilometer alarms
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* floating IPs
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* images / snapshots
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* instances
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* networks
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* routers
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* security groups
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* swift containers
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* swift objects
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* volumes / snapshots
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Notes
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=====
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Users can be deleted by using the ``python-keystoneclient`` CLI::
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.. code-block:: console
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$ keystone user-delete <username_or_userid>
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How to contribute
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=================
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-----------------
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Ospurge is hosted on Stackforge and is using Gerrit to manage
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contributions. You can contribute to the project by following the
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following workflow: http://docs.openstack.org/infra/manual/developers.html#development-workflow
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OSpurge is hosted on the OpenStack infrastructure and is using
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`Gerrit <https://review.openstack.org>`_ to manage contributions. You can
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contribute to the project by following the
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`OpenStack Development workflow <http://docs.openstack.org/infra/manual/developers.html#development-workflow>`_.
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@ -0,0 +1,28 @@
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import sys
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import openstackdocstheme
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copyright = u'2015, OpenStack contributors'
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html_copy_source = False
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html_last_updated_fmt = '%Y-%m-%d %H:%M'
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html_show_sourcelink = False
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html_theme = 'openstackdocs'
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html_theme_path = [openstackdocstheme.get_html_theme_path()]
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html_use_index = False
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master_doc = 'index'
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project = u'OpenStack project resources cleaner'
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pygments_style = 'sphinx'
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source_suffix = '.rst'
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@ -0,0 +1 @@
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.. include:: ../../README.rst
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@ -0,0 +1 @@
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.. include:: ../../README.rst
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@ -4,3 +4,6 @@ testtools
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nose
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requests
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testrepository
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sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3
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doc8
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openstackdocstheme>=1.0.3
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10
tox.ini
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tox.ini
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commands = python setup.py testr --testr-args='{posargs}'
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whitelist_externals = flake8
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[testenv:pep8]
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commands = flake8
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[testenv:venv]
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commands = {posargs}
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[testenv:pep8]
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commands = flake8
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[flake8]
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# E501 line too long
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ignore = E501
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show-source = True
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exclude = .venv,.tox,dist,doc,*egg,build
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[testenv:docs]
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commands =
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doc8 -e .rst doc README.rst
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python setup.py build_sphinx -b html
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