openstack
/
octavia
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Populate repository with common initial files 

Every repo needs a first commit, eh? Most of this
is based on the neutron and neutron-specs project layouts.

Change-Id: I17a41fc30f8f8499c679afad14019c0755582bc6
changes/82/102482/9
Stephen Balukoff 8 years ago
parent
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  1. 5
      .gitignore
  2. 4
      .testr.conf
  3. 20
      HACKING.rst
  4. 176
      LICENSE
  5. 6
      MANIFEST.in
  6. 17
      README.rst
  7. 273
      doc/source/conf.py
  8. 27
      doc/source/index.rst
  9. 1
      doc/source/specs
  10. 0
      octavia/__init__.py
  11. 0
      octavia/tests/__init__.py
  12. 1
      octavia/tests/specs
  13. 13
      requirements.txt
  14. 29
      setup.cfg
  15. 21
      setup.py
  16. 0
      specs-tests/tests/__init__.py
  17. 106
      specs-tests/tests/test_titles.py
  18. 33
      specs/example.dot
  19. 82
      specs/skeleton.rst
  20. 465
      specs/template.rst
  21. 82
      specs/version1/design.rst
  22. 12
      test-requirements.txt
  23. 23
      tox.ini

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.gitignore vendored
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*.pyc
.tox
*.egg-info
AUTHORS
ChangeLog

4
.testr.conf
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[DEFAULT]
test_command=${PYTHON:-python} -m subunit.run discover octavia $LISTOPT $IDOPTION
test_id_option=--load-list $IDFILE
test_list_option=--list

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HACKING.rst
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Octavia Style Commandments
=======================
This project was ultimately spawned from work done on the Neutron project.
As such, we tend to follow Neutron conventions regarding coding style.
- We follow the OpenStack Style Commandments:
http://docs.openstack.org/developer/hacking/
Octavia Specific Commandments
--------------------------
- [N320] Validate that LOG messages, except debug ones, have translations
Creating Unit Tests
-------------------
For every new feature, unit tests should be created that both test and
(implicitly) document the usage of said feature. If submitting a patch for a
bug that had no unit test, a new passing unit test should be added. If a
submitted bug fix does have a unit test, be sure to add a new one that fails
without the patch and passes with the patch.

176
LICENSE
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
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8. Limitation of Liability. In no event and under no legal theory,
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unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
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9. Accepting Warranty or Additional Liability. While redistributing
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6
MANIFEST.in
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include README.rst
include LICENSE
exclude .gitignore
exclude .gitreview
global-exclude *.pyc

17
README.rst
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========
Octavia
========
Operator-grade open source scalable load balancer.
The Octavia project seeks to become the standard operator-grade load balancer
in use in large OpenStack deployments. Note that it is not competing with the
Neutron LBaaS extension and may never actually replace it. Rather, Octavia
should be seen as "yet another vendor" which is accessed via a driver for
Neutron LBaaS.
For more information on project direction and guiding principles for
contributors, please see the CONSTITUTION.rst file in this directory, or
specifications in the specs/ subdirectory. Other documentation can be
found in the docs/ directory.

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doc/source/conf.py
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# -*- coding: utf-8 -*-
#
# Tempest documentation build configuration file, created by
# sphinx-quickstart on Tue May 21 17:43:32 2013.
#
# This file is execfile()d with the current directory set to its containing dir.
#
# Note that not all possible configuration values are present in this
# autogenerated file.
#
# All configuration values have a default; values that are commented out
# serve to show the default.
import sys
import os
# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
#sys.path.insert(0, os.path.abspath('.'))
# -- General configuration -----------------------------------------------------
# If your documentation needs a minimal Sphinx version, state it here.
#needs_sphinx = '1.0'
# Add any Sphinx extension module names here, as strings. They can be extensions
# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
extensions = ['sphinx.ext.autodoc',
'sphinx.ext.intersphinx',
'sphinx.ext.todo',
'sphinx.ext.viewcode',
'sphinxcontrib.blockdiag',
'sphinxcontrib.actdiag',
'sphinxcontrib.seqdiag',
'sphinxcontrib.nwdiag',
'sphinxcontrib.googlechart.graphviz',
'oslosphinx'
]
todo_include_todos = True
# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']
# The suffix of source filenames.
source_suffix = '.rst'
# The encoding of source files.
#source_encoding = 'utf-8-sig'
# The master toctree document.
master_doc = 'index'
# General information about the project.
project = u'Octavia'
copyright = u'2014, OpenStack Octavia Team'
# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#language = None
# There are two options for replacing |today|: either, you set today to some
# non-false value, then it is used:
#today = ''
# Else, today_fmt is used as the format for a strftime call.
#today_fmt = '%B %d, %Y'
# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
exclude_patterns = ['_build']
# The reST default role (used for this markup: `text`) to use for all documents.
#default_role = None
# If true, '()' will be appended to :func: etc. cross-reference text.
#add_function_parentheses = True
# If true, the current module name will be prepended to all description
# unit titles (such as .. function::).
add_module_names = False
# If true, sectionauthor and moduleauthor directives will be shown in the
# output. They are ignored by default.
show_authors = False
# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'sphinx'
# A list of ignored prefixes for module index sorting.
modindex_common_prefix = ['octavia.']
# -- Options for man page output ----------------------------------------------
man_pages = []
# -- Options for HTML output ---------------------------------------------------
# The theme to use for HTML and HTML Help pages. See the documentation for
# a list of builtin themes.
html_theme = 'nature'
# Theme options are theme-specific and customize the look and feel of a theme
# further. For a list of options available for each theme, see the
# documentation.
#html_theme_options = {}
# Add any paths that contain custom themes here, relative to this directory.
#html_theme_path = []
# The name for this set of Sphinx documents. If None, it defaults to
# "<project> v<release> documentation".
#html_title = None
# A shorter title for the navigation bar. Default is the same as html_title.
#html_short_title = None
# The name of an image file (relative to this directory) to place at the top
# of the sidebar.
#html_logo = None
# The name of an image file (within the static path) to use as favicon of the
# docs. This file should be a Windows icon file (.ico) being 16x16 or 32x32
# pixels large.
#html_favicon = None
# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
# using the given strftime format.
git_cmd = "git log --pretty=format:'%ad, commit %h' --date=local -n1"
html_last_updated_fmt = os.popen(git_cmd).read()
# If true, SmartyPants will be used to convert quotes and dashes to
# typographically correct entities.
#html_use_smartypants = True
# Custom sidebar templates, maps document names to template names.
#html_sidebars = {}
# Additional templates that should be rendered to pages, maps page names to
# template names.
#html_additional_pages = {}
# If false, no module index is generated.
html_domain_indices = False
# If false, no index is generated.
html_use_index = False
# If true, the index is split into individual pages for each letter.
#html_split_index = False
# If true, links to the reST sources are added to the pages.
#html_show_sourcelink = True
# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
#html_show_sphinx = True
# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
#html_show_copyright = True
# If true, an OpenSearch description file will be output, and all pages will
# contain a <link> tag referring to it. The value of this option must be the
# base URL from which the finished HTML is served.
#html_use_opensearch = ''
# This is the file name suffix for HTML files (e.g. ".xhtml").
#html_file_suffix = None
# Output file base name for HTML help builder.
htmlhelp_basename = 'Octavia-Specsdoc'
# -- Options for LaTeX output --------------------------------------------------
latex_elements = {
# The paper size ('letterpaper' or 'a4paper').
#'papersize': 'letterpaper',
# The font size ('10pt', '11pt' or '12pt').
#'pointsize': '10pt',
# Additional stuff for the LaTeX preamble.
#'preamble': '',
}
# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title, author, documentclass [howto/manual]).
latex_documents = [
('index', 'Octavia-specs.tex', u'Octavia Specs',
u'OpenStack Octavia Team', 'manual'),
]
# The name of an image file (relative to this directory) to place at the top of
# the title page.
#latex_logo = None
# For "manual" documents, if this is true, then toplevel headings are parts,
# not chapters.
#latex_use_parts = False
# If true, show page references after internal links.
#latex_show_pagerefs = False
# If true, show URL addresses after external links.
#latex_show_urls = False
# Documents to append as an appendix to all manuals.
#latex_appendices = []
# If false, no module index is generated.
#latex_domain_indices = True
# -- Options for Texinfo output ------------------------------------------------
# Grouping the document tree into Texinfo files. List of tuples
# (source start file, target name, title, author,
# dir menu entry, description, category)
texinfo_documents = [
('index', 'Octavia-specs', u'Octavia Design Specs',
u'OpenStack Octavia Team', 'octavia-specs', 'Design specifications for the Octavia project.',
'Miscellaneous'),
]
# Documents to append as an appendix to all manuals.
#texinfo_appendices = []
# If false, no module index is generated.
#texinfo_domain_indices = True
# How to display URL addresses: 'footnote', 'no', or 'inline'.
#texinfo_show_urls = 'footnote'
# -- Options for Epub output ---------------------------------------------------
# Bibliographic Dublin Core info.
epub_title = u'Octavia Specs'
epub_author = u'OpenStack Octavia Team'
epub_publisher = u'OpenStack Octavia Team'
epub_copyright = u'2014, OpenStack Octavia Team'
# The language of the text. It defaults to the language option
# or en if the language is not set.
#epub_language = ''
# The scheme of the identifier. Typical schemes are ISBN or URL.
#epub_scheme = ''
# The unique identifier of the text. This can be a ISBN number
# or the project homepage.
#epub_identifier = ''
# A unique identification for the text.
#epub_uid = ''
# A tuple containing the cover image and cover page html template filenames.
#epub_cover = ()
# HTML files that should be inserted before the pages created by sphinx.
# The format is a list of tuples containing the path and title.
#epub_pre_files = []
# HTML files shat should be inserted after the pages created by sphinx.
# The format is a list of tuples containing the path and title.
#epub_post_files = []
# A list of files that should not be packed into the epub file.
#epub_exclude_files = []
# The depth of the table of contents in toc.ncx.
#epub_tocdepth = 3
# Allow duplicate toc entries.
#epub_tocdup = True

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doc/source/index.rst
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.. octavia-specs documentation master file
==============================
Octavia Project Specifications
==============================
Contents:
.. toctree::
:glob:
:maxdepth: 1
specs/*
Version 1 specs:
.. toctree::
:glob:
:maxdepth: 1
specs/version1/*
==================
Indices and tables
==================
* :ref:`search`

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doc/source/specs
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../../specs

0
octavia/__init__.py
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octavia/tests/__init__.py
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octavia/tests/specs
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../../specs-tests/tests

13
requirements.txt
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actdiag
blockdiag
docutils==0.11
nwdiag
oslosphinx
pbr>=0.6,<1.0
seqdiag
sphinx
sphinxcontrib-actdiag
sphinxcontrib-blockdiag
sphinxcontrib-nwdiag
sphinxcontrib-seqdiag
sphinxcontrib-googlechart

29
setup.cfg
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[metadata]
name = octavia
summary = OpenStack Octavia Scalable Load Balancer as as Service
description-file =
README.rst
author = OpenStack
author-email = openstack-dev@lists.openstack.org
home-page = http://www.openstack.org/
classifier =
Environment :: OpenStack
Intended Audience :: Developers
Intended Audience :: Information Technology
Intended Audience :: System Administrators
License :: OSI Approved :: Apache Software License
Operating System :: POSIX :: Linux
Programming Language :: Python
Programming Language :: Python :: 2.7
Programming Language :: Python :: 3.3
[build_sphinx]
all_files = 1
build-dir = doc/build
source-dir = doc/source
[pbr]
warnerrors = True
[wheel]
universal = 1

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setup.py
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#!/usr/bin/env python
# Copyright (c) 2014 eNovance
#
# 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 setuptools
setuptools.setup(
setup_requires=['pbr'],
pbr=True)

0
specs-tests/tests/__init__.py
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106
specs-tests/tests/test_titles.py
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# 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 glob
import docutils.core
from docutils.parsers import rst
from docutils.parsers.rst import directives
import testtools
class FakeDirective(rst.Directive):
has_content = True
def run(self):
return []
directives.register_directive('seqdiag', FakeDirective)
directives.register_directive('blockdiag', FakeDirective)
directives.register_directive('nwdiag', FakeDirective)
directives.register_directive('actdiag', FakeDirective)
directives.register_directive('graphviz', FakeDirective)
class TestTitles(testtools.TestCase):
def _get_title(self, section_tree):
section = {
'subtitles': [],
}
for node in section_tree:
if node.tagname == 'title':
section['name'] = node.rawsource
elif node.tagname == 'section':
subsection = self._get_title(node)
section['subtitles'].append(subsection['name'])
return section
def _get_titles(self, spec):
titles = {}
for node in spec:
if node.tagname == 'section':
section = self._get_title(node)
titles[section['name']] = section['subtitles']
return titles
def _check_titles(self, titles):
self.assertEqual(7, len(titles))
problem = 'Problem description'
self.assertIn(problem, titles)
self.assertEqual(0, len(titles[problem]))
proposed = 'Proposed change'
self.assertIn(proposed, titles)
self.assertIn('Alternatives', titles[proposed])
self.assertIn('Data model impact', titles[proposed])
self.assertIn('REST API impact', titles[proposed])
self.assertIn('Security impact', titles[proposed])
self.assertIn('Notifications impact', titles[proposed])
self.assertIn('Other end user impact', titles[proposed])
self.assertIn('Performance Impact', titles[proposed])
self.assertIn('Other deployer impact', titles[proposed])
self.assertIn('Developer impact', titles[proposed])
impl = 'Implementation'
self.assertIn(impl, titles)
self.assertEqual(2, len(titles[impl]))
self.assertIn('Assignee(s)', titles[impl])
self.assertIn('Work Items', titles[impl])
deps = 'Dependencies'
self.assertIn(deps, titles)
self.assertEqual(0, len(titles[deps]))
testing = 'Testing'
self.assertIn(testing, titles)
self.assertEqual(0, len(titles[testing]))
docs = 'Documentation Impact'
self.assertIn(docs, titles)
self.assertEqual(0, len(titles[docs]))
refs = 'References'
self.assertIn(refs, titles)
self.assertEqual(0, len(titles[refs]))
def test_template(self):
files = glob.glob('specs/*.rst') + glob.glob('specs/*/*')
for filename in files:
self.assertTrue(filename.endswith(".rst"),
"spec's file must uses 'rst' extension.")
with open(filename) as f:
data = f.read()
spec = docutils.core.publish_doctree(data)
titles = self._get_titles(spec)
self._check_titles(titles)

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specs/example.dot
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// This work is licensed under a Creative Commons Attribution 3.0
// Unported License.
//
// http://creativecommons.org/licenses/by/3.0/legalcode
digraph G {
label="Sample Graph"
subgraph cluster_0 {
style=filled;
color=lightgrey;
node [style=filled,color=white];
a0 -> a1 -> a2 -> a3;
label = "process #1";
}
subgraph cluster_1 {
node [style=filled];
b0 -> b1 -> b2 -> b3;
label = "process #2";
color=blue
}
start -> a0;
start -> b0;
a1 -> b3;
b2 -> a3;
a3 -> a0;
a3 -> end;
b3 -> end;
start [shape=Mdiamond];
end [shape=Msquare];
}

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..
This work is licensed under a Creative Commons Attribution 3.0 Unported
License.
http://creativecommons.org/licenses/by/3.0/legalcode
==========================================
Title of your blueprint
==========================================
Problem description
===================
Proposed change
===============
Alternatives
------------
Data model impact
-----------------
REST API impact
---------------
Security impact
---------------
Notifications impact
--------------------
Other end user impact
---------------------
Performance Impact
------------------
Other deployer impact
---------------------
Developer impact
----------------
Implementation
==============
Assignee(s)
-----------
Work Items
----------
Dependencies
============
Testing
=======
Documentation Impact
====================
References
==========

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specs/template.rst
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..
This work is licensed under a Creative Commons Attribution 3.0 Unported
License.
http://creativecommons.org/licenses/by/3.0/legalcode
==========================================
Example Spec - The title of your blueprint
==========================================
Include the URL of your launchpad blueprint:
https://blueprints.launchpad.net/octavia/+spec/example
Introduction paragraph -- why are we doing anything? A single paragraph of
prose that operators can understand.
Some notes about using this template:
* Your spec should be in ReSTructured text, like this template.
* Please wrap text at 80 columns.
* The filename in the git repository should match the launchpad URL, for
example a URL of: https://blueprints.launchpad.net/octavia/+spec/awesome-thing
should be named awesome-thing.rst
* Please do not delete any of the sections in this template. If you have
nothing to say for a whole section, just write: None
* For help with syntax, see http://sphinx-doc.org/rest.html
* To test out your formatting, build the docs using tox, or see:
http://rst.ninjs.org
* If you would like to provide a diagram with your spec, text representations
are preferred. http://asciiflow.com/ is a very nice tool to assist with
making ascii diagrams. blockdiag is another tool. These are described below.
For more complicated diagrams that need "real" graphics, yet still should
be in the git revision control system, GraphViz .dot files are acceptable.
If you require an image (screenshot) for your BP, attaching that to the BP
and checking it in is also accepted. However, text representations are prefered.
* Diagram examples
asciiflow::
+----------+ +-----------+ +----------+
| A | | B | | C |
| +-----+ +--------+ |
+----------+ +-----------+ +----------+
blockdiag
.. blockdiag::
blockdiag sample {
a -> b -> c;
}
actdiag
.. actdiag::
actdiag {
write -> convert -> image
lane user {
label = "User"
write [label = "Writing reST"];
image [label = "Get diagram IMAGE"];
}
lane actdiag {
convert [label = "Convert reST to Image"];
}
}
nwdiag
.. nwdiag::
nwdiag {
network dmz {
address = "210.x.x.x/24"
web01 [address = "210.x.x.1"];
web02 [address = "210.x.x.2"];
}
network internal {
address = "172.x.x.x/24";
web01 [address = "172.x.x.1"];
web02 [address = "172.x.x.2"];
db01;
db02;
}
}
seqdiag
.. seqdiag::
seqdiag {
browser -> webserver [label = "GET /index.html"];
browser <-- webserver;
browser -> webserver [label = "POST /blog/comment"];
webserver -> database [label = "INSERT comment"];
webserver <-- database;
browser <-- webserver;
}
graphviz
.. graphviz::
digraph G {
label="Sample Graph"
subgraph cluster_0 {
style=filled;
color=lightgrey;
node [style=filled,color=white];
a0 -> a1 -> a2 -> a3;
label = "process #1";
}
subgraph cluster_1 {
node [style=filled];
b0 -> b1 -> b2 -> b3;
label = "process #2";
color=blue
}
start -> a0;
start -> b0;
a1 -> b3;
b2 -> a3;
a3 -> a0;
a3 -> end;
b3 -> end;
start [shape=Mdiamond];
end [shape=Msquare];
}
graphviz (external file)
.. graphviz:: example.dot
Problem description
===================
A detailed description of the problem:
* For a new feature this might be use cases. Ensure you are clear about the
actors in each use case: End User vs Deployer
* For a major reworking of something existing it would describe the
problems in that feature that are being addressed.
Proposed change
===============
Here is where you cover the change you propose to make in detail. How do you
propose to solve this problem?
If this is one part of a larger effort make it clear where this piece ends. In
other words, what's the scope of this effort?
Alternatives
------------
What other ways could we do this thing? Why aren't we using those? This doesn't
have to be a full literature review, but it should demonstrate that thought has
been put into why the proposed solution is an appropriate one.
Data model impact
-----------------
Changes which require modifications to the data model often have a wider impact
on the system. The community often has strong opinions on how the data model
should be evolved, from both a functional and performance perspective. It is
therefore important to capture and gain agreement as early as possible on any
proposed changes to the data model.
Questions which need to be addressed by this section include:
* What new data objects and/or database schema changes is this going to require?
* What database migrations will accompany this change.
* How will the initial set of new data objects be generated, for example if you
need to take into account existing instances, or modify other existing data
describe how that will work.
REST API impact
---------------
Octavia includes several internal APIs (all of which should be versioned).
In defining how API(s) are affected by this change, make sure to
clearly indicate which API(s) specifically are being altered, which version
of the API(s) are being altered, and other pertinent details as described
below.
While we are not using Neutron's attribute map facility since Octavia is
not Neutron, following the tried-and-true guidelines Neutron uses around
API changes is a good idea, including defining attribute map tables. For
reference:
For each API resource to be implemented using Neutron's attribute map
facility (see the neutron.api.v2.attributes), describe the resource
collection and specify the name, type, and other essential details of
each new or modified attribute. A table similar to the following may
be used:
+----------+-------+---------+---------+------------+--------------+
|Attribute |Type |Access |Default |Validation/ |Description |
|Name | | |Value |Conversion | |
+==========+=======+=========+=========+============+==============+
|id |string |RO, all |generated|N/A |identity |
| |(UUID) | | | | |
+----------+-------+---------+---------+------------+--------------+
|name |string |RW, all |'' |string |human-readable|
| | | | | |name |
+----------+-------+---------+---------+------------+--------------+
|color |string |RW, admin|'red' |'red', |color |
| | | | |'yellow', or|indicating |
| | | | |'green' |state |
+----------+-------+---------+---------+------------+--------------+
Here is the other example of the table using csv-table
.. csv-table:: CSVTable
:header: Attribute Name,Type,Access,Default Value,Validation Conversion,Description
id,string (UUID),"RO, all",generated,N/A,identity
name,string,"RW, all","''",string,human-readable name
color,string,"RW, admin",red,"'red', 'yellow' or 'green'",color indicating state
Each API method which is either added or changed that does not use
Neutron's attribute map facility should have the following:
* Specification for the method
* A description of what the method does suitable for use in
user documentation
* Method type (POST/PUT/GET/DELETE)
* Normal http response code(s)
* Expected error http response code(s)
* A description for each possible error code should be included
describing semantic errors which can cause it such as
inconsistent parameters supplied to the method, or when an
instance is not in an appropriate state for the request to
succeed. Errors caused by syntactic problems covered by the JSON
schema defintion do not need to be included.
* URL for the resource
* Parameters which can be passed via the url
* JSON schema definition for the body data if allowed
* JSON schema definition for the response data if any
* Example use case including typical API samples for both data supplied
by the caller and the response
* Discuss any API policy changes, and discuss what things a deployer needs to
think about when defining their API policy. This is in reference to the
policy.json file.
Note that the schema should be defined as restrictively as
possible. Parameters which are required should be marked as such and
only under exceptional circumstances should additional parameters
which are not defined in the schema be permitted (eg
additionaProperties should be False).
Reuse of existing predefined parameter types such as regexps for
passwords and user defined names is highly encouraged.
Security impact
---------------
Describe any potential security impact on the system. Some of the items to
consider include:
* Does this change touch sensitive data such as tokens, keys, or user data?
* Does this change alter the API in a way that may impact security, such as
a new way to access sensitive information or a new way to login?
* Does this change involve cryptography or hashing?
* Does this change require the use of sudo or any elevated privileges?
* Does this change involve using or parsing user-provided data? This could
be directly at the API level or indirectly such as changes to a cache layer.
* Can this change enable a resource exhaustion attack, such as allowing a
single API interaction to consume significant server resources? Some examples
of this include launching subprocesses for each connection, or entity
expansion attacks in XML.
For more detailed guidance, please see the OpenStack Security Guidelines as
a reference (https://wiki.openstack.org/wiki/Security/Guidelines). These
guidelines are a work in progress and are designed to help you identify
security best practices. For further information, feel free to reach out
to the OpenStack Security Group at openstack-security@lists.openstack.org.
Notifications impact
--------------------
Please specify any changes to notifications. Be that an extra notification,
changes to an existing notification, or removing a notification.
Other end user impact
---------------------
Aside from the API, are there other ways a user will interact with this feature?
Keep in mind that 'user' in this context could mean either tenant or operator.
* Does this change have an impact on python-neutronclient? What does the user
interface there look like?
Performance Impact
------------------
Describe any potential performance impact on the system, for example
how often will new code be called, and is there a major change to the calling
pattern of existing code.
Examples of things to consider here include:
* A periodic task might look like a small addition but if it calls conductor or
another service the load is multiplied by the number of nodes in the system.
* A small change in a utility function or a commonly used decorator can have a
large impacts on performance.
* Calls which result in a database queries (whether direct or via conductor) can
have a profound impact on performance when called in critical sections of the
code.
* Will the change include any locking, and if so what considerations are there on
holding the lock?
Other deployer impact
---------------------
Discuss things that will affect how you deploy and configure OpenStack
that have not already been mentioned, such as:
* What config options are being added? Should they be more generic than
proposed (for example a flag that other hypervisor drivers might want to
implement as well)? Are the default values ones which will work well in
real deployments?
* Is this a change that takes immediate effect after its merged, or is it
something that has to be explicitly enabled?
* If this change is a new binary, how would it be deployed?
* Please state anything that those doing continuous deployment, or those
upgrading from the previous release, need to be aware of. Also describe
any plans to deprecate configuration values or features. For example, if we
change the directory name that instances are stored in, how do we handle
instance directories created before the change landed? Do we move them? Do
we have a special case in the code? Do we assume that the operator will
recreate all the instances in their cloud?
Developer impact
----------------
Discuss things that will affect other developers working on OpenStack,
such as:
* If the blueprint proposes a change to the API, discussion of how other
plugins would implement the feature is required.
Implementation
==============
Assignee(s)
-----------
Who is leading the writing of the code? Or is this a blueprint where you're
throwing it out there to see who picks it up?
If more than one person is working on the implementation, please designate the
primary author and contact.
Primary assignee:
<launchpad-id or None>
Other contributors:
<launchpad-id or None>
Work Items
----------
Work items or tasks -- break the feature up into the things that need to be
done to implement it. Those parts might end up being done by different people,
but we're mostly trying to understand the timeline for implementation.
Dependencies
============
* Include specific references to specs and/or blueprints in octavia, or in other
projects, that this one either depends on or is related to.
* If this requires functionality of another project that is not currently used
by Octavia document that fact.
* Does this feature require any new library dependencies or code otherwise not
included in OpenStack? Or does it depend on a specific version of library?
Testing
=======
Please discuss how the change will be tested. We especially want to know what
tempest tests will be added. It is assumed that unit test coverage will be
added so that doesn't need to be mentioned explicitly, but discussion of why
you think unit tests are sufficient and we don't need to add more tempest
tests would need to be included.
Is this untestable in gate given current limitations (specific hardware /
software configurations available)? If so, are there mitigation plans (3rd
party testing, gate enhancements, etc).
Documentation Impact
====================
What is the impact on the docs team of this change? Some changes might require
donating resources to the docs team to have the documentation updated. Don't
repeat details discussed above, but please reference them here.
References
==========
Please add any useful references here. You are not required to have any
reference. Moreover, this specification should still make sense when your
references are unavailable. Examples of what you could include are:
* Links to mailing list or IRC discussions
* Links to notes from a summit session
* Links to relevant research, if appropriate
* Related specifications as appropriate (e.g. link any vendor documentation)
* Anything else you feel it is worthwhile to refer to

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..
This work is licensed under a Creative Commons Attribution 3.0 Unported
License.
http://creativecommons.org/licenses/by/3.0/legalcode
==========================================
Title of your blueprint
==========================================
Problem description
===================
Proposed change
===============
Alternatives
------------
Data model impact
-----------------
REST API impact
---------------
Security impact
---------------
Notifications impact
--------------------
Other end user impact
---------------------
Performance Impact
------------------
Other deployer impact
---------------------
Developer impact
----------------
Implementation
==============
Assignee(s)
-----------
Work Items
----------
Dependencies
============
Testing
=======
Documentation Impact
====================
References
==========

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test-requirements.txt
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hacking>=0.9.1,<0.10
cliff>=1.6.0
coverage>=3.6
discover
fixtures>=0.3.14
mock>=1.0
python-subunit>=0.0.18
ordereddict
testrepository>=0.0.18
testtools>=0.9.34
WebTest>=2.0

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tox.ini
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[tox]
minversion = 1.6
envlist = docs,py27,py33,pep8
skipsdist = True
[testenv]
usedevelop = True
setenv = VIRTUAL_ENV={envdir}
install_command = pip install -U {opts} {packages}
deps = -r{toxinidir}/requirements.txt
-r{toxinidir}/test-requirements.txt
commands = python setup.py testr --slowest --testr-args='{posargs}'
[testenv:pep8]
commands = flake8
[testenv:docs]
commands = python setup.py build_sphinx
[flake8]
ignore = None
exclude = .tox,doc
show-source = true
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