openstack
/
openstack-ansible-lxc_hosts
Code Issues Proposed changes

IRR for lxc_host 

The change moves the role out from the main repo lxc_host
repository and into its own standalone repository.

Items within this change:
  * The role has been updated to ensure it runs standalone.
  * Tests added to the role within tox.
  * Functional tests added to the role that can either be run
    via the run_tests.sh script or using tox.
  * dev requirements have been updated for testing usecases.
  * Docs added to both the README.rst file as well as the docs
    folder.

Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>
This commit is contained in:
Kevin Carter 2015-11-03 03:40:40 -06:00
commit eb9f3d858b
36 changed files with 2124 additions and 0 deletions
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OpenStack LXC host setup
########################
:tags: openstack, lxc, host, cloud, ansible
:category: \*nix
contributor guidelines
^^^^^^^^^^^^^^^^^^^^^^
Filing Bugs
-----------
Bugs should be filed on Launchpad, not GitHub: "https://bugs.launchpad.net/openstack-ansible"
When submitting a bug, or working on a bug, please ensure the following criteria are met:
* The description clearly states or describes the original problem or root cause of the problem.
* Include historical information on how the problem was identified.
* Any relevant logs are included.
* The provided information should be totally self-contained. External access to web services/sites should not be needed.
* Steps to reproduce the problem if possible.
Submitting Code
---------------
Changes to the project should be submitted for review via the Gerrit tool, following
the workflow documented at: "http://docs.openstack.org/infra/manual/developers.html#development-workflow"
Pull requests submitted through GitHub will be ignored and closed without regard.
Extra
-----
Tags:
If it's a bug that needs fixing in a branch in addition to Master, add a '\<release\>-backport-potential' tag (eg ``juno-backport-potential``). There are predefined tags that will autocomplete.
Status:
Please leave this alone, it should be New till someone triages the issue.
Importance:
Should only be touched if it is a Blocker/Gating issue. If it is, please set to High, and only use Critical if you have found a bug that can take down whole infrastructures.
Style guide
-----------
When creating tasks and other roles for use in Ansible please create then using the YAML dictionary format.
Example YAML dictionary format:
.. code-block:: yaml
- name: The name of the tasks
module_name:
thing1: "some-stuff"
thing2: "some-other-stuff"
tags:
- some-tag
- some-other-tag
Example **NOT** in YAML dictionary format:
.. code-block:: yaml
- name: The name of the tasks
module_name: thing1="some-stuff" thing2="some-other-stuff"
tags:
- some-tag
- some-other-tag
Usage of the ">" and "|" operators should be limited to Ansible conditionals and command modules such as the ansible ``shell`` module.
Issues
------
When submitting an issue, or working on an issue please ensure the following criteria are met:
* The description clearly states or describes the original problem or root cause of the problem.
* Include historical information on how the problem was identified.
* Any relevant logs are included.
* If the issue is a bug that needs fixing in a branch other than Master, add the ‘backport potential’ tag TO THE ISSUE (not the PR).
* The provided information should be totally self-contained. External access to web services/sites should not be needed.
* If the issue is needed for a hotfix release, add the 'expedite' label.
* Steps to reproduce the problem if possible.

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OpenStack LXC host setup
########################
:tags: openstack, lxc, host, cloud, ansible
:category: \*nix
Role for deployment and setup of an LXC host.
.. code-block:: yaml
- name: Basic lxc host setup
hosts: "hosts"
user: root
roles:
- { role: "lxc_hosts", tags: [ "lxc-host", "host-setup" ] }

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---
# Copyright 2014, Rackspace US, 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.
# lxc container rootfs directory and cache path
lxc_container_directory: "/var/lib/lxc"
lxc_container_cache_path: "/var/cache/lxc"
# lxc container net network
lxc_net_bridge: lxcbr0
lxc_net_bridge_port: none
lxc_net_address: 10.0.3.1
lxc_net_netmask: 255.255.255.0
lxc_net_gateway: none ## if "none" no gateway will on the LXC bridge, nat must be "false" to use a gateway.
# lxc container nat enabled
lxc_net_nat: true ## If "true" nat rules will be created with the lxc network.
# lxc container dhcp settings
lxc_net_dhcp_range: 10.0.3.2,10.0.3.253
lxc_net_dhcp_max: 253
lxc_net_dhcp_config: ''
lxc_net_dnsmasq_user: lxc-dnsmasq
lxc_net_domain: ''
# lxc_container_net_link variable should be set to the lxc-net bridge.
lxc_container_net_link: "{{ lxc_net_bridge }}" ## name of the host bridge to attach to
lxc_container_net_type: veth ## lxc network interface type (veth, phys, vlan, macvlan, empty)
lxc_container_net_name: eth0 ## name of the interface inside the container.
# System control kernel tuning
lxc_kernel_options:
- { key: 'fs.inotify.max_user_instances', value: 1024 }
# Default image to build from
lxc_container_release: trusty
lxc_container_user_name: ubuntu
lxc_container_user_password: "{{ lookup('pipe', 'date --rfc-3339=ns | sha512sum | base64 | head -c 32') }}"
lxc_container_template_options: >
--release {{ lxc_container_release }}
--user {{ lxc_container_user_name }}
--password {{ lxc_container_user_password }}
lxc_container_template_main_apt_repo: "https://mirror.rackspace.com/ubuntu"
lxc_container_template_security_apt_repo: "https://mirror.rackspace.com/ubuntu"
# Required apt packages.
lxc_apt_packages:
- apparmor-utils
- bridge-utils
- cgmanager
- cgroup-lite
- debootstrap
- dnsmasq
- git
- liblxc1
- lxc
- lxc-dev
- lxc-templates
- python-dev
- python3-lxc
# Commands to run against cached LXC image
lxc_cache_commands:
- apt-get update
- apt-get -y upgrade
- apt-get -y install python2.7
- rm -f /usr/bin/python
- ln -s /usr/bin/python2.7 /usr/bin/python
lxc_cache_resolvers:
- 'nameserver 8.8.8.8'
- 'nameserver 8.8.4.4'
lxc_cache_sshd_configuration:
- { regexp: "^PermitRootLogin", line: "PermitRootLogin yes" }
- { regexp: "^TCPKeepAlive", line: "TCPKeepAlive yes" }
- { regexp: "^UseDNS", line: "UseDNS no" }
- { regexp: "^X11Forwarding", line: "X11Forwarding no" }
- { regexp: "^PasswordAuthentication", line: "PasswordAuthentication no" }
# Prebuilt images to deploy onto hosts for use in containers.
# lxc_container_caches:
# - url: "https://rpc-repo.rackspace.com/container_images/rpc-trusty-container.tgz"
# name: "trusty.tgz"
# sha256sum: "56c6a6e132ea7d10be2f3e8104f47136ccf408b30e362133f0dc4a0a9adb4d0c"
# chroot_path: trusty/rootfs-amd64

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ansible-lint
ansible>=1.9.1,<2.0.0
# this is required for the docs build jobs
sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
oslosphinx>=2.5.0 # Apache-2.0

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# Makefile for Sphinx documentation
#
# You can set these variables from the command line.
SPHINXOPTS =
SPHINXBUILD = sphinx-build
PAPER =
BUILDDIR = build
# User-friendly check for sphinx-build
ifeq ($(shell which $(SPHINXBUILD) >/dev/null 2>&1; echo $$?), 1)
$(error The '$(SPHINXBUILD)' command was not found. Make sure you have Sphinx installed, then set the SPHINXBUILD environment variable to point to the full path of the '$(SPHINXBUILD)' executable. Alternatively you can add the directory with the executable to your PATH. If you don't have Sphinx installed, grab it from http://sphinx-doc.org/)
endif
# Internal variables.
PAPEROPT_a4 = -D latex_paper_size=a4
PAPEROPT_letter = -D latex_paper_size=letter
ALLSPHINXOPTS = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) source
# the i18n builder cannot share the environment and doctrees with the others
I18NSPHINXOPTS = $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) source
.PHONY: help clean html dirhtml singlehtml pickle json htmlhelp qthelp devhelp epub latex latexpdf text man changes linkcheck doctest coverage gettext
help:
@echo "Please use \`make <target>' where <target> is one of"
@echo " html to make standalone HTML files"
@echo " dirhtml to make HTML files named index.html in directories"
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@echo " pickle to make pickle files"
@echo " json to make JSON files"
@echo " htmlhelp to make HTML files and a HTML help project"
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@echo " applehelp to make an Apple Help Book"
@echo " devhelp to make HTML files and a Devhelp project"
@echo " epub to make an epub"
@echo " latex to make LaTeX files, you can set PAPER=a4 or PAPER=letter"
@echo " latexpdf to make LaTeX files and run them through pdflatex"
@echo " latexpdfja to make LaTeX files and run them through platex/dvipdfmx"
@echo " text to make text files"
@echo " man to make manual pages"
@echo " texinfo to make Texinfo files"
@echo " info to make Texinfo files and run them through makeinfo"
@echo " gettext to make PO message catalogs"
@echo " changes to make an overview of all changed/added/deprecated items"
@echo " xml to make Docutils-native XML files"
@echo " pseudoxml to make pseudoxml-XML files for display purposes"
@echo " linkcheck to check all external links for integrity"
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clean:
rm -rf $(BUILDDIR)/*
html:
$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
@echo
@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
dirhtml:
$(SPHINXBUILD) -b dirhtml $(ALLSPHINXOPTS) $(BUILDDIR)/dirhtml
@echo
@echo "Build finished. The HTML pages are in $(BUILDDIR)/dirhtml."
singlehtml:
$(SPHINXBUILD) -b singlehtml $(ALLSPHINXOPTS) $(BUILDDIR)/singlehtml
@echo
@echo "Build finished. The HTML page is in $(BUILDDIR)/singlehtml."
pickle:
$(SPHINXBUILD) -b pickle $(ALLSPHINXOPTS) $(BUILDDIR)/pickle
@echo
@echo "Build finished; now you can process the pickle files."
json:
$(SPHINXBUILD) -b json $(ALLSPHINXOPTS) $(BUILDDIR)/json
@echo
@echo "Build finished; now you can process the JSON files."
htmlhelp:
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@echo
@echo "Build finished; now you can run HTML Help Workshop with the" \
".hhp project file in $(BUILDDIR)/htmlhelp."
qthelp:
$(SPHINXBUILD) -b qthelp $(ALLSPHINXOPTS) $(BUILDDIR)/qthelp
@echo
@echo "Build finished; now you can run "qcollectiongenerator" with the" \
".qhcp project file in $(BUILDDIR)/qthelp, like this:"
@echo "# qcollectiongenerator $(BUILDDIR)/qthelp/openstack-ansible-apt_package_pinning.qhcp"
@echo "To view the help file:"
@echo "# assistant -collectionFile $(BUILDDIR)/qthelp/openstack-ansible-apt_package_pinning.qhc"
applehelp:
$(SPHINXBUILD) -b applehelp $(ALLSPHINXOPTS) $(BUILDDIR)/applehelp
@echo
@echo "Build finished. The help book is in $(BUILDDIR)/applehelp."
@echo "N.B. You won't be able to view it unless you put it in" \
"~/Library/Documentation/Help or install it in your application" \
"bundle."
devhelp:
$(SPHINXBUILD) -b devhelp $(ALLSPHINXOPTS) $(BUILDDIR)/devhelp
@echo
@echo "Build finished."
@echo "To view the help file:"
@echo "# mkdir -p $$HOME/.local/share/devhelp/openstack-ansible-apt_package_pinning"
@echo "# ln -s $(BUILDDIR)/devhelp $$HOME/.local/share/devhelp/openstack-ansible-apt_package_pinning"
@echo "# devhelp"
epub:
$(SPHINXBUILD) -b epub $(ALLSPHINXOPTS) $(BUILDDIR)/epub
@echo
@echo "Build finished. The epub file is in $(BUILDDIR)/epub."
latex:
$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
@echo
@echo "Build finished; the LaTeX files are in $(BUILDDIR)/latex."
@echo "Run \`make' in that directory to run these through (pdf)latex" \
"(use \`make latexpdf' here to do that automatically)."
latexpdf:
$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
@echo "Running LaTeX files through pdflatex..."
$(MAKE) -C $(BUILDDIR)/latex all-pdf
@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."
latexpdfja:
$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
@echo "Running LaTeX files through platex and dvipdfmx..."
$(MAKE) -C $(BUILDDIR)/latex all-pdf-ja
@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."
text:
$(SPHINXBUILD) -b text $(ALLSPHINXOPTS) $(BUILDDIR)/text
@echo
@echo "Build finished. The text files are in $(BUILDDIR)/text."
man:
$(SPHINXBUILD) -b man $(ALLSPHINXOPTS) $(BUILDDIR)/man
@echo
@echo "Build finished. The manual pages are in $(BUILDDIR)/man."
texinfo:
$(SPHINXBUILD) -b texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
@echo
@echo "Build finished. The Texinfo files are in $(BUILDDIR)/texinfo."
@echo "Run \`make' in that directory to run these through makeinfo" \
"(use \`make info' here to do that automatically)."
info:
$(SPHINXBUILD) -b texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
@echo "Running Texinfo files through makeinfo..."
make -C $(BUILDDIR)/texinfo info
@echo "makeinfo finished; the Info files are in $(BUILDDIR)/texinfo."
gettext:
$(SPHINXBUILD) -b gettext $(I18NSPHINXOPTS) $(BUILDDIR)/locale
@echo
@echo "Build finished. The message catalogs are in $(BUILDDIR)/locale."
changes:
$(SPHINXBUILD) -b changes $(ALLSPHINXOPTS) $(BUILDDIR)/changes
@echo
@echo "The overview file is in $(BUILDDIR)/changes."
linkcheck:
$(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) $(BUILDDIR)/linkcheck
@echo
@echo "Link check complete; look for any errors in the above output " \
"or in $(BUILDDIR)/linkcheck/output.txt."
doctest:
$(SPHINXBUILD) -b doctest $(ALLSPHINXOPTS) $(BUILDDIR)/doctest
@echo "Testing of doctests in the sources finished, look at the " \
"results in $(BUILDDIR)/doctest/output.txt."
coverage:
$(SPHINXBUILD) -b coverage $(ALLSPHINXOPTS) $(BUILDDIR)/coverage
@echo "Testing of coverage in the sources finished, look at the " \
"results in $(BUILDDIR)/coverage/python.txt."
xml:
$(SPHINXBUILD) -b xml $(ALLSPHINXOPTS) $(BUILDDIR)/xml
@echo
@echo "Build finished. The XML files are in $(BUILDDIR)/xml."
pseudoxml:
$(SPHINXBUILD) -b pseudoxml $(ALLSPHINXOPTS) $(BUILDDIR)/pseudoxml
@echo
@echo "Build finished. The pseudo-XML files are in $(BUILDDIR)/pseudoxml."
livehtml: html
sphinx-autobuild -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# openstack-ansible-apt_package_pinning documentation build configuration file, created by
# sphinx-quickstart on Mon Apr 13 20:42:26 2015.
#
# 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.
# 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',
'oslosphinx'
]
# The link to the browsable source code (for the left hand menu)
oslosphinx_cgit_link = 'http://git.openstack.org/cgit/openstack/openstack-ansible-apt_package_pinning'
# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']
# The suffix(es) of source filenames.
# You can specify multiple suffix as a list of string:
# source_suffix = ['.rst', '.md']
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 = 'openstack-ansible-apt_package_pinning'
copyright = '2015, openstack-ansible-apt_package_pinning contributors'
author = 'openstack-ansible-apt_package_pinning contributors'
# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#
# The short X.Y version.
version = 'master'
# The full version, including alpha/beta/rc tags.
release = 'master'
# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#
# This is also used if you do content translation via gettext catalogs.
# Usually you set "language" from the command line for these cases.
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 = []
# 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 = True
# 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 = []
# If true, keep warnings as "system message" paragraphs in the built documents.
# keep_warnings = False
# If true, `todo` and `todoList` produce output, else they produce nothing.
todo_include_todos = False
# -- 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 = 'alabaster'
# 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
# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ['_static']
# Add any extra paths that contain custom files (such as robots.txt or
# .htaccess) here, relative to this directory. These files are copied
# directly to the root of the documentation.
# html_extra_path = []
# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
# using the given strftime format.
# html_last_updated_fmt = '%b %d, %Y'
# 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 = True
# If false, no index is generated.
# html_use_index = True
# 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
# Language to be used for generating the HTML full-text search index.
# Sphinx supports the following languages:
# 'da', 'de', 'en', 'es', 'fi', 'fr', 'h', 'it', 'ja'
# 'nl', 'no', 'pt', 'ro', 'r', 'sv', 'tr'
# html_search_language = 'en'
# A dictionary with options for the search language support, empty by default.
# Now only 'ja' uses this config value
# html_search_options = {'type': 'default'}
# The name of a javascript file (relative to the configuration directory) that
# implements a search results scorer. If empty, the default will be used.
# html_search_scorer = 'scorer.js'
# Output file base name for HTML help builder.
htmlhelp_basename = 'openstack-ansible-apt_package_pinningdoc'
# -- 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': '',
# Latex figure (float) alignment
# 'figure_align': 'htbp',
}
# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title,
# author, documentclass [howto, manual, or own class]).
latex_documents = [
(master_doc, 'openstack-ansible-apt_package_pinning.tex',
'openstack-ansible-apt_package_pinning Documentation',
'openstack-ansible-apt_package_pinning contributors', '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 manual page output ---------------------------------------
# One entry per manual page. List of tuples
# (source start file, name, description, authors, manual section).
man_pages = [
(master_doc, 'openstack-ansible-apt_package_pinning',
'openstack-ansible-apt_package_pinning Documentation',
[author], 1)
]
# If true, show URL addresses after external links.
# man_show_urls = False
# -- 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 = [
(master_doc, 'openstack-ansible-apt_package_pinning',
'openstack-ansible-apt_package_pinning Documentation',
author, 'openstack-ansible-apt_package_pinning', 'One line description of 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'
# If true, do not generate a @detailmenu in the "Top" node's menu.
# texinfo_no_detailmenu = False

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lxc_host role docs
==================
The lxc_host role is used to setup hosts that will be running LXC
within them. The role will configure and build everything needed
for the environment to be successful in deploying LXC containers.
In the example the role is using an optional argument to create an
LXC cached image on the disk. The use of this extra variable will
download an image into place and update it.
Basic Role Example
^^^^^^^^^^^^^^^^^^
.. code-block:: yaml
- role: "lxc_host"
lxc_container_caches:
- url: "{{ repo_pip_default_index | netorigin }}/container_images/rpc-trusty-container.tgz"
name: "trusty.tgz"
sha256sum: "56c6a6e132ea7d10be2f3e8104f47136ccf408b30e362133f0dc4a0a9adb4d0c"
chroot_path: trusty/rootfs-amd64

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---
# Copyright 2014, Rackspace US, 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.
- name: Load lxc-openstack apparmor profile
command: apparmor_parser -Kr /etc/apparmor.d/lxc-containers
- name: Restart apparmor
service:
name: "apparmor"
state: "restarted"
- name: Init reload
command: "initctl reload-configuration"
- name: Restart irqbalance
service:
name: "irqbalance"
state: "restarted"
pattern: "irqbalance"
enabled: "yes"
- name: Bring bridge up
command: "ifup {{ lxc_net_bridge }}"

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---
# Copyright 2014, Rackspace US, 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.
galaxy_info:
author: rcbops
description: Deployment of LXC hosts for use in Rackspace Private Cloud
company: Rackspace
license: Apache2
min_ansible_version: 1.6.6
platforms:
- name: Ubuntu
versions:
- trusty
categories:
- cloud
- lxc
- development
- openstack
dependencies:
- apt_package_pinning
- pip_install

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#!/usr/bin/env bash
# Copyright 2015, Rackspace US, 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.
set -euov
ROLE_NAME=$(basename $(pwd))
FUNCTIONAL_TEST=${FUNCTIONAL_TEST:-true}
pushd tests
ansible-galaxy install \
--role-file=ansible-role-requirements.yml \
--ignore-errors \
--force
ansible-playbook -i inventory \
--syntax-check \
--list-tasks \
-e "rolename=${ROLE_NAME}" \
test.yml
ansible-lint test.yml
if ${FUNCTIONAL_TEST}; then
ansible-playbook -i inventory -e "rolename=${ROLE_NAME}" test.yml
fi
popd

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[metadata]
name = openstack-ansible-apt_package_pinning
summary = APT package pinning for OpenStack Ansible
description-file =
README.rst
author = OpenStack
author-email = openstack-dev@lists.openstack.org
home-page = http://www.openstack.org/
classifier =
Intended Audience :: Developers
Intended Audience :: System Administrators
License :: OSI Approved :: Apache Software License
Operating System :: POSIX :: Linux
[build_sphinx]
all_files = 1
build-dir = doc/build
source-dir = doc/source
[pbr]
warnerrors = True
[wheel]
universal = 1

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#!/usr/bin/env python
# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
#
# 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.
# THIS FILE IS MANAGED BY THE GLOBAL REQUIREMENTS REPO - DO NOT EDIT
import setuptools
setuptools.setup(
setup_requires=['pbr'],
pbr=True)

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---
# Copyright 2014, Rackspace US, 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.
- name: Download lxc cache(s)
get_url:
url: "{{ item.url }}"
dest: "/var/cache/lxc_{{ item.name }}"
mode: "0644"
force: no
sha256sum: "{{ item.sha256sum }}"
register: cache_download
retries: 3
delay: 10
until: cache_download|success
with_items: lxc_container_caches
tags:
- lxc-cache
- lxc-cache-download
- name: Move lxc cached image into place
unarchive:
src: "/var/cache/lxc_{{ item.name }}"
dest: "{{ lxc_container_cache_path }}/"
copy: "no"
with_items: lxc_container_caches
when: cache_download|changed
tags:
- lxc-cache
- lxc-cache-unarchive

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---
# Copyright 2015, Rackspace US, 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.
- name: Create apt repos in the cached container
template:
src: sources.list.j2
dest: "{{ lxc_container_cache_path }}/{{ item.chroot_path }}/etc/apt/sources.list"
with_items: lxc_container_caches
tags:
- lxc-cache
- lxc-cache-update
- name: Update container resolvers
template:
src: lxc-resolve-base.j2
dest: "{{ lxc_container_cache_path }}/{{ item.chroot_path }}/run/resolvconf/resolv.conf"
with_items: lxc_container_caches
tags:
- lxc-cache
- lxc-cache-update
- name: Update container resolvconf base
template:
src: lxc-resolve-base.j2
dest: "{{ lxc_container_cache_path }}/{{ item.chroot_path }}/etc/resolvconf/resolv.conf.d/base"
with_items: lxc_container_caches
tags:
- lxc-cache
- lxc-cache-update
- name: Update container resolvconf tail
copy:
content: "# Null Tail"
dest: "{{ lxc_container_cache_path }}/{{ item.chroot_path }}/etc/resolvconf/resolv.conf.d/tail"
with_items: lxc_container_caches
tags:
- lxc-cache
- lxc-cache-update
- name: Update container resolvconf original
copy:
content: "# Null original"
dest: "{{ lxc_container_cache_path }}/{{ item.chroot_path }}/etc/resolvconf/resolv.conf.d/original"
with_items: lxc_container_caches
tags:
- lxc-cache
- lxc-cache-update
# This task runs several commands against the cached image to speed up the
# lxc_container_create playbook.
- name: Prepare cached image
command: "chroot {{ lxc_container_cache_path }}/{{ item[0].chroot_path }} {{ item[1] }}"
with_nested:
- lxc_container_caches
- lxc_cache_commands
when: cache_download|changed
tags:
- lxc-cache
- lxc-cache-update
- name: Adjust sshd configuration in container
lineinfile:
dest: "{{ lxc_container_cache_path }}/{{ item[0].chroot_path }}/etc/ssh/sshd_config"
regexp: "{{ item[1].regexp }}"
line: "{{ item[1].line }}"
state: present
with_nested:
- lxc_container_caches
- lxc_cache_sshd_configuration
tags:
- lxc-cache
- lxc-cache-update
- name: Obtain the system's ssh public key
set_fact:
lxc_container_ssh_key: "{{ lookup('file', '/root/.ssh/id_rsa.pub') }}"
when: lxc_container_ssh_key is not defined
tags:
- lxc-cache
- lxc-cache-update
- name: Deploy ssh public key into the cached image
lineinfile:
dest: "{{ lxc_container_cache_path }}/{{ item.chroot_path }}/root/.ssh/authorized_keys"
line: "{{ lxc_container_ssh_key }}"
with_items: lxc_container_caches
tags:
- lxc-cache
- lxc-cache-update

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---
# Copyright 2014, Rackspace US, 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.
- name: Ensure dnsmasq stopped
service:
name: "dnsmasq"
state: "stopped"
enabled: "no"
- name: Remove dnsmasq file(s)
file:
path: "{{ item }}"
state: "absent"
with_items:
- /var/run/dnsmasq/resolv.conf
- /etc/dnsmasq.conf

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---
# Copyright 2014, Rackspace US, 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.
- name: Update apt sources
apt:
update_cache: yes
cache_valid_time: 600
register: apt_update
until: apt_update|success
retries: 5
delay: 2
tags:
- lxc-apt-packages
- name: Install apt packages
apt:
pkg: "{{ item }}"
state: present
register: install_packages
until: install_packages|success
retries: 5
delay: 2
with_items: lxc_apt_packages
tags:
- lxc-apt-packages
# The functionality with changing the container cache has been added into the
# upstream LXC templates with patch [ https://github.com/lxc/lxc/pull/558 ]
# TODO: remove the below patch and pass lxc_container_cache_path to lxc
# templates as appropriate once the lxc update goes mainstream
- name: Patch lxc-ubuntu cache path
replace:
dest: /usr/share/lxc/templates/lxc-ubuntu
regexp: '\$LOCALSTATEDIR/cache/lxc'
replace: "{{ lxc_container_cache_path }}"
backup: yes
tags:
- lxc-cache-path

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---
# Copyright 2014, Rackspace US, 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.
- name: Tuning kernel for lxc
sysctl:
name: "{{ item.key }}"
value: "{{ item.value }}"
sysctl_set: "{{ item.set|default('yes') }}"
state: "{{ item.state|default('present') }}"
reload: "{{ item.reload|default('yes') }}"
ignore_errors: true
with_items: lxc_kernel_options

50
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---
# Copyright 2014, Rackspace US, 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.
- name: Ensure networking includes interfaces.d
lineinfile:
dest: "/etc/network/interfaces"
line: "source /etc/network/interfaces.d/*.cfg"
backup: "yes"
tags:
- lxc-net
- lxc-interfaces
- name: Check Container Bridge exists
file:
state: "file"
path: "/sys/class/net/{{ lxc_net_bridge }}/bridge/bridge_id"
register: bridge_check
failed_when: false
changed_when: bridge_check.state == 'absent'
notify:
- Bring bridge up
tags:
- lxc-net
- lxc-bridge
- name: Drop lxc net bridge
template:
src: "{{ item.src }}"
dest: "{{ item.dest }}"
owner: "{{ item.owner|default('root') }}"
group: "{{ item.group|default('root') }}"
mode: "{{ item.mode|default('0644') }}"
with_items:
- { src: lxc-net-bridge.cfg.j2, dest: "/etc/network/interfaces.d/lxc-net-bridge.cfg" }
tags:
- lxc-files
- lxc-net
- lxc-bridge

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---
# Copyright 2014, Rackspace US, 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.
- name: Create base directories
file:
path: "{{ item }}"
state: "directory"
owner: "root"
group: "root"
with_items:
- /etc/lxc
- /usr/local/bin
- /etc/network/interfaces.d
- /etc/apparmor.d/lxc
- /usr/share/lxc/templates
- /openstack
- /openstack/backup
- "{{ lxc_container_directory }}"
- "{{ lxc_container_cache_path }}"
tags:
- lxc-directories
- name: Ensure the lxc dnsmasq user exists
user:
name: "{{ lxc_net_dnsmasq_user }}"
comment: "LXC dnsmasq"
system: "yes"
shell: "/bin/false"
home: "/var/lib/lxc"
tags:
- lxc-dnsmasq-user
- name: Drop base config file(s)
template:
src: "{{ item.src }}"
dest: "{{ item.dest }}"
owner: "{{ item.owner|default('root') }}"
group: "{{ item.group|default('root') }}"
mode: "{{ item.mode|default('0644') }}"
with_items:
- { src: lxc-openstack.conf.j2, dest: "/etc/lxc/lxc-openstack.conf" }
- { src: lxc.default.j2, dest: "/etc/default/lxc-net", mode: "0644" }
- { src: lxc-system-manage.j2, dest: "/usr/local/bin/lxc-system-manage", mode: "0755" }
- { src: manual-init.override.j2, dest: "/etc/init/lxc-net.override" }
tags:
- lxc-files
- lxc-config
- name: Drop irqbalance config
template:
src: "{{ item.src }}"
dest: "{{ item.dest }}"
owner: "{{ item.owner|default('root') }}"
group: "{{ item.group|default('root') }}"
mode: "{{ item.mode|default('0644') }}"
with_items:
- { src: irqbalance.j2, dest: "/etc/default/irqbalance" }
notify:
- Restart irqbalance
tags:
- lxc-files
- lxc-irqbalance
- name: Drop lxc-openstack app armor profile
template:
src: "{{ item.src }}"
dest: "{{ item.dest }}"
owner: "{{ item.owner|default('root') }}"
group: "{{ item.group|default('root') }}"
mode: "{{ item.mode|default('0644') }}"
with_items:
- { src: lxc-openstack.apparmor.j2, dest: "/etc/apparmor.d/lxc/lxc-openstack" }
notify:
- Load lxc-openstack apparmor profile
- Restart apparmor
tags:
- lxc-files
- lxc-apparmor
# Ensure apparmor reindex runs before other things that may fail
- meta: flush_handlers

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---
# Copyright 2014, Rackspace US, 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.
- include: lxc_pre_install.yml
- include: lxc_kernel_tuning.yml
- include: lxc_net.yml
- include: lxc_install.yml
- include: lxc_dnsmasq_cleanup.yml
- include: lxc_cache.yml
- include: lxc_cache_preparation.yml
when: lxc_container_caches is defined
- name: Flush handlers
meta: flush_handlers

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# {{ ansible_managed }}
#Configuration for the irqbalance daemon
#Should irqbalance be enabled?
ENABLED="1"
#Balance the IRQs only once?
ONESHOT="0"
# Ignore hints
OPTIONS="--hintpolicy=ignore"

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# {{ ansible_managed }}
auto {{ lxc_net_bridge }}
iface {{ lxc_net_bridge }} inet static
address {{ lxc_net_address }}
netmask {{ lxc_net_netmask }}
{% if lxc_net_nat == "true" %}
{% if lxc_net_gateway != "none" %}
gateway {{ lxc_net_gateway }}
{% endif %}
# nat rules start and stop
post-up /usr/local/bin/lxc-system-manage iptables-create
post-down /usr/local/bin/lxc-system-manage iptables-remove
{% endif %}
# dnsmasq start and stop
post-up /usr/local/bin/lxc-system-manage dnsmasq-start || true
post-up /usr/local/bin/lxc-system-manage iptables-create
post-down /usr/local/bin/lxc-system-manage dnsmasq-stop
post-down /usr/local/bin/lxc-system-manage iptables-remove
bridge_fd 0
bridge_maxwait 0
bridge_ports {{ lxc_net_bridge_port }}
bridge_hello 2
bridge_maxage 12
bridge_stp off

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# Do not load this file. Rather, load /etc/apparmor.d/lxc-containers, which
# will source all profiles under /etc/apparmor.d/lxc
profile lxc-openstack flags=(attach_disconnected,mediate_deleted) {
#include <abstractions/lxc/container-base>
# allow standard blockdevtypes.
# The concern here is in-kernel superblock parsers bringing down the
# host with bad data. However, we continue to disallow proc, sys, securityfs,
# etc to nonstandard locations.
mount fstype=ext* -> /**,
mount fstype=nbd* -> /**,
mount fstype=xfs -> /**,
mount fstype=btrfs -> /**,
mount fstype=vfat* -> /**,
mount fstype=fuseblk -> /**,
mount fstype=nbd* -> /**,
mount fstype=nfs* -> /**,
mount fstype=devpts,
# allow System access.
mount fstype=cgroup -> /sys/fs/cgroup/**,
mount fstype=proc -> {{ lxc_container_cache_path }}/**,
mount fstype=sysfs -> {{ lxc_container_cache_path }}/**,
mount options=(rw,bind) {{ lxc_container_cache_path }}/**/dev/shm/ -> {{ lxc_container_cache_path }}/**/run/shm/,
}

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# {{ ansible_managed }}
lxc.start.auto = 1
lxc.start.delay = 15
lxc.group = onboot
lxc.group = openstack
# Default LXC network
lxc.network.type = {{ lxc_container_net_type }}
lxc.network.name = {{ lxc_container_net_name }}
lxc.network.link = {{ lxc_container_net_link }}
lxc.network.flags = up
lxc.network.hwaddr = 00:16:3e:xx:xx:xx

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{% for item in lxc_cache_resolvers %}
{{ item }}
{% endfor %}

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#!/usr/bin/env bash
# Copyright 2014, Rackspace US, 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.
# This script was built for the express purpose of managing LXC on a
# host. The functions within this script provide for common operations
# that may be required when working with LXC in production.
# {{ ansible_managed }}
export USE_LXC_BRIDGE="true"
export LXC_BRIDGE="{{ lxc_net_bridge }}"
export LXC_ADDR="{{ lxc_net_address }}"
export LXC_NETMASK="{{ lxc_net_netmask }}"
export LXC_NETWORK="${LXC_ADDR}/${LXC_NETMASK}"
export LXC_DHCP_RANGE="{{ lxc_net_dhcp_range }}"
export LXC_DHCP_MAX="{{ lxc_net_dhcp_max }}"
export LXC_DHCP_CONFILE="{{ lxc_net_dhcp_config }}"
export LXC_DNSMASQ_USER="{{ lxc_net_dnsmasq_user }}"
export VARRUN="/run/lxc"
export LXC_DOMAIN="{{ lxc_net_domain }}"
function warn {
echo -e "\e[0;35m${@}\e[0m"
}
function info {
echo -e "\e[0;33m${@}\e[0m"
}
function success {
echo -e "\e[0;32m${@}\e[0m"
}
function remove_rules {
info "Removing LXC IPtables rules."
# Remove rules from the INPUT chain
iptables ${USE_IPTABLES_LOCK} -D INPUT -i "${LXC_BRIDGE}" -p udp --dport 67 -j ACCEPT
iptables ${USE_IPTABLES_LOCK} -D INPUT -i "${LXC_BRIDGE}" -p tcp --dport 67 -j ACCEPT
iptables ${USE_IPTABLES_LOCK} -D INPUT -i "${LXC_BRIDGE}" -p udp --dport 53 -j ACCEPT
iptables ${USE_IPTABLES_LOCK} -D INPUT -i "${LXC_BRIDGE}" -p tcp --dport 53 -j ACCEPT
# Remove rules from the FORWARDING chain
iptables ${USE_IPTABLES_LOCK} -D FORWARD -i "${LXC_BRIDGE}" -j ACCEPT
iptables ${USE_IPTABLES_LOCK} -D FORWARD -o "${LXC_BRIDGE}" -j ACCEPT
# Remove rules from the nat POSTROUTING chain
iptables ${USE_IPTABLES_LOCK} -t nat \
-D POSTROUTING \
-s "${LXC_NETWORK}" ! \
-d "${LXC_NETWORK}" \
-j MASQUERADE || true
# Remove rules from the mangle POSTROUTING chain
iptables ${USE_IPTABLES_LOCK} -t mangle \
-D POSTROUTING \
-s "${LXC_NETWORK}" \
-o "${LXC_BRIDGE}" \
-p udp \
-m udp \
--dport 68 \
-j CHECKSUM \
--checksum-fill
success "IPtables rules removed."
}
function add_rules {
info "Creating LXC IPtables rules."
set -e
# Set ip_prwarding
sysctl -w net.ipv4.ip_forward=1 > /dev/null 2>&1
# Add rules from the INPUT chain
iptables ${USE_IPTABLES_LOCK} -I INPUT -i "${LXC_BRIDGE}" -p udp --dport 67 -j ACCEPT
iptables ${USE_IPTABLES_LOCK} -I INPUT -i "${LXC_BRIDGE}" -p tcp --dport 67 -j ACCEPT
iptables ${USE_IPTABLES_LOCK} -I INPUT -i "${LXC_BRIDGE}" -p udp --dport 53 -j ACCEPT
iptables ${USE_IPTABLES_LOCK} -I INPUT -i "${LXC_BRIDGE}" -p tcp --dport 53 -j ACCEPT
# Add rules from the FORWARDING chain
iptables ${USE_IPTABLES_LOCK} -I FORWARD -i "${LXC_BRIDGE}" -j ACCEPT
iptables ${USE_IPTABLES_LOCK} -I FORWARD -o "${LXC_BRIDGE}" -j ACCEPT
# Add rules from the nat POSTROUTING chain
iptables ${USE_IPTABLES_LOCK} -t nat \
-A POSTROUTING \
-s "${LXC_NETWORK}" ! \
-d "${LXC_NETWORK}" \
-j MASQUERADE
# Add rules from the mangle POSTROUTING chain
iptables ${USE_IPTABLES_LOCK} -t mangle \
-A POSTROUTING \
-s "${LXC_NETWORK}" \
-o "${LXC_BRIDGE}" \
-p udp \
-m udp \
--dport 68 \
-j CHECKSUM \
--checksum-fill
success "IPtables rules created."
}
function cleanup {
# Clean up everything
remove_rules
# Set the lxc bridge interface down
ip link set "${LXC_BRIDGE}" down || true
# Remove the lxc bridge interface
brctl delbr "${LXC_BRIDGE}" || true
}
function pre_up {
# Create the run directory if needed.
if [[ ! -d "${VARRUN}" ]];then
mkdir -p "${VARRUN}"
fi
# Source the lxc defaults
if [[ -f "/etc/default/lxc" ]]; then
source "/etc/default/lxc"
fi
# Set the lock type where applicable
use_iptables_lock="-w"
iptables -w -L -n > /dev/null 2>&1 || use_iptables_lock=""
}
function start_dnsmasq {
set -e
info "Starting LXC dnsmasq."
dnsmasq "${LXC_DOMAIN_ARG}" --user="${LXC_DNSMASQ_USER}" \
--pid-file="${VARRUN}/dnsmasq.pid" \
--conf-file="${LXC_DHCP_CONFILE}" \
--listen-address="${LXC_ADDR}" \
--dhcp-range="${LXC_DHCP_RANGE}" \
--dhcp-lease-max="${LXC_DHCP_MAX}" \
--except-interface="lo" \
--interface="${LXC_BRIDGE}" \
--dhcp-leasefile="${DHCP_LEASE_FILE}" \
--dhcp-no-override \
--strict-order \
--bind-interfaces \
--dhcp-authoritative
success "dnsmasq started."
}
function start_containers_nicely {
set -e
# Stop all containers on a host
success "Starting all containers."
for container in $(lxc-ls); do
lxc-start -d -n "${container}"
done
}
function stop_containers_nicely {
# Stop all containers on a host
warn "Stopping all containers."
for container in $(lxc-ls); do
lxc-stop -n "${container}"
done
}
function stop_containers_with_fire {
# Stop all containers on a host
warn "Stopping all containers with fire."
for container in $(lxc-ls); do
lxc-stop -k -n "${container}"
done
}
function start_networks {
set -e
if [ -f "/sys/class/net/${LXC_BRIDGE}/bridge/bridge_id" ];then
success "LXC container network is already online."
else
if [ ! "$(ifup ${LXC_BRIDGE})" ];then
info "Building the LXC container network."
# Create lxc bridge
brctl addbr "${LXC_BRIDGE}" || true
# Set the lxc bridge up
ip link set "${LXC_BRIDGE}" up || true
# Assign an address to the lxc bridge
ip addr add "${LXC_ADDR}"/"${LXC_NETMASK}" dev "${LXC_BRIDGE}"
add_rules
LXC_DOMAIN_ARG=""
if [ -n "$LXC_DOMAIN" ]; then
LXC_DOMAIN_ARG="-s $LXC_DOMAIN -S /$LXC_DOMAIN/"
fi
# Start DNS mask
DHCP_LEASE_FILE="/var/lib/misc/dnsmasq.${LXC_BRIDGE}.leases"
start_dnsmasq
success "LXC container network has been created."
fi
fi
}
function stop_dnsmasq {
if [[ -f "${VARRUN}/dnsmasq.pid" ]];then
PID="$(cat ${VARRUN}/dnsmasq.pid)"
if [[ "${PID}" ]];then
warn "Stopping LXC dnsmasq."
kill -9 "${PID}" || true
fi
rm -f "${VARRUN}/dnsmasq.pid"
fi
}
function stop_networks {
warn "Destroying the LXC container network."
cleanup
stop_dnsmasq
}
function remove_down_veth {
info "Getting a list of all DOWN veth interfaces"
VETHPAIRS="$(ip link list | grep veth | grep "state DOWN" | awk '/veth/ {print $2}' | sed 's/\://g')"
if [[ "$VETHPAIRS" ]];then
warn "Removing all DOWN veth interfaces"
for veth in $VETHPAIRS; do
ip link delete dev "${veth}"
done
else
success "No DOWN veth interfaces to remove"
fi
}
function flush_cache {
warn "Flushing network cache"
ip -s -s neigh flush all
}
# Run through the base app setup
pre_up
# Check function
case "$1" in
containers-start)
start_containers_nicely
;;
containers-stop)
stop_containers_nicely
;;
containers-force-stop)
stop_containers_with_fire
;;
containers-restart)
stop_containers_nicely
start_containers_nicely
;;
containers-force-restart)
stop_containers_with_fire
start_containers_nicely
;;
system-tear-down)
stop_containers_nicely
remove_down_veth
stop_networks
flush_cache
;;
system-force-tear-down)
stop_containers_with_fire
remove_down_veth
stop_networks
flush_cache
;;
system-start-up)
start_networks
start_containers_nicely
;;
system-rebuild)
stop_containers_nicely
remove_down_veth
stop_networks
flush_cache
start_networks
start_containers_nicely
;;
system-force-rebuild)
stop_containers_with_fire
remove_down_veth
stop_networks
flush_cache
start_networks
start_containers_nicely
;;
dnsmasq-start)
start_dnsmasq
;;
dnsmasq-stop)
stop_dnsmasq
;;
dnsmasq-restart)
stop_dnsmasq
start_dnsmasq
;;
iptables-create)
add_rules
;;
iptables-remove)
remove_rules
;;
iptables-recreate)
remove_rules
add_rules
;;
veth-cleanup)
remove_down_veth
;;
flush-net-cache)
flush_cache
;;
*)
info 'Management of internal LXC systems and processes:'
echo '
containers-start Start all containers.
containers-stop Stop all containers.
containers-restart Stop all containers and then Start them.
containers-force-stop Force Stop all containers.
containers-force-restart Force Stop all containers and then Start them.
system-start-up Start up everything that LXC needs to
operate, including the containers, dnsmasq,
LXC bridge, and IPtables.
system-tear-down Tear down everything LXC on this system.
This will remove all all IPtables rules, kill
dnsmasq, remove the LXC bridge, stops all
containers, removes DOWN veth interfaces,
and flushes the net cache.
system-force-tear-down Force tear down everything LXC on this system.
This will remove all all IPtables rules, kill
dnsmasq, remove the LXC bridge, stops all
containers, removes DOWN veth interfaces,
and flushes the net cache.
system-rebuild Rebuild the LXC network, IPtables, dnsmasq,
removes DOWN veth interfaces, flushes the
net cache, and restarts all conatiners.
system-force-rebuild Force rebuild the LXC network, IPtables, dnsmasq,
removes DOWN veth interfaces, flushes the
net cache, and restarts all conatiners.
dnsmasq-start Start the LXC dnsmasq process.
dnsmasq-stop Stop the LXC dnsmasq process.
dnsmasq-restart Restart the LXC dnsmasq process.
iptables-create Create the LXC IPtables rules for NAT.
iptables-remove Remove the LXC IPtables rules for NAT.
iptables-recreate Recreate the LXC IPtables rules for NAT.
veth-cleanup Remove all DOWN veth interfaces from a system.
flush-net-cache Flush the hosts network cache. This is useful if
IP addresses are being recycled on to containers
from other hosts.
'
;;
esac

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# {{ ansible_managed }}
USE_LXC_BRIDGE="true"
LXC_BRIDGE="{{ lxc_net_bridge }}"
LXC_ADDR="{{ lxc_net_address }}"
LXC_NETMASK="{{ lxc_net_netmask }}"
LXC_NETWORK="${LXC_ADDR}/${LXC_NETMASK}"
LXC_DHCP_RANGE="{{ lxc_net_dhcp_range }}"
LXC_DHCP_MAX="{{ lxc_net_dhcp_max }}"
LXC_DNSMASQ_USER="{{ lxc_net_dnsmasq_user }}"
LXC_DHCP_CONFILE="{{ lxc_net_dhcp_config }}"
LXC_DOMAIN="{{ lxc_net_domain }}"

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# {{ ansible_managed }}
pre-start script
echo "pass"
end script
post-stop script
echo "pass"
end script

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# Sources created by the ansible
deb {{ lxc_container_template_main_apt_repo }} {{ lxc_container_release }} main restricted universe multiverse
deb {{ lxc_container_template_main_apt_repo }} {{ lxc_container_release }}-updates main restricted universe multiverse
deb {{ lxc_container_template_main_apt_repo }} {{ lxc_container_release }}-backports main restricted universe multiverse
deb {{ lxc_container_template_security_apt_repo }} {{ lxc_container_release }}-security main restricted universe multiverse

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- name: apt_package_pinning
src: https://github.com/os-cloud/openstack-ansible-apt_package_pinning
version: master
- name: pip_install
src: https://github.com/os-cloud/openstack-ansible-pip_install
version: master

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[defaults]
roles_path = ../../

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[all]
localhost ansible_connection=local

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---
# Copyright 2015, Rackspace US, 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.
- name: Playbook for role testing
hosts: localhost
connection: local
roles:
- role: "{{ rolename | basename }}"
lxc_net_bridge: lxcbr0
lxc_kernel_options:
- { key: 'fs.inotify.max_user_instances', value: 1024 }
lxc_container_caches:
- url: "https://rpc-repo.rackspace.com/container_images/rpc-trusty-container.tgz"
name: "trusty.tgz"
sha256sum: "56c6a6e132ea7d10be2f3e8104f47136ccf408b30e362133f0dc4a0a9adb4d0c"
chroot_path: trusty/rootfs-amd64
# The $HOME directory is mocked to work with tox
# by defining the 'ansible_env' hash. This should
# NEVER be done outside of testing.
ansible_env: ## NEVER DO THIS OUTSIDE OF TESTING
HOME: "/tmp"
post_tasks:
- name: Open sysctl file
slurp:
src: /etc/sysctl.conf
register: sysctl_file
- name: Read files
set_fact:
sysctl_content: "{{ sysctl_file.content | b64decode }}"
- name: Check for container tar
stat:
path: /var/cache/lxc_trusty.tgz
register: container_tar_file
- name: Check for container cache dir
stat:
path: /var/cache/lxc/trusty/rootfs-amd64/
register: container_cache_dir
- name: Check for lxc bridge
stat:
path: /sys/class/net/lxcbr0/bridge/bridge_id
register: lxc_bridge_file
- name: Check dnsmasq is running
shell: ps auxfww | grep -w 'dnsmasq -u lxc-dnsmasq'
- name: Check role functions
assert:
that:
- "'fs.inotify.max_user_instances' in sysctl_content"
- "lxc_bridge_file.stat.exists"
- "container_cache_dir.stat.isdir"
- "container_tar_file.stat.exists"

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[tox]
minversion = 1.6
skipsdist = True
envlist = docs,pep8,bashate,ansible-syntax,ansible-lint
[testenv]
usedevelop = True
install_command = pip install -U {opts} {packages}
setenv = VIRTUAL_ENV={envdir}
deps = -r{toxinidir}/dev-requirements.txt
commands =
/usr/bin/find . -type f -name "*.pyc" -delete
ansible-galaxy install \
--role-file=ansible-role-requirements.yml \
--ignore-errors \
--force
[testenv:docs]
commands = python setup.py build_sphinx
# environment used by the -infra templated docs job
[testenv:venv]
deps = -r{toxinidir}/dev-requirements.txt
commands = {posargs}
# Run hacking/flake8 check for all python files
[testenv:pep8]
deps = flake8
whitelist_externals = bash
commands =
bash -c "grep -Irl \
-e '!/usr/bin/env python' \
-e '!/bin/python' \
-e '!/usr/bin/python' \
--exclude-dir '.*' \
--exclude-dir 'doc' \
--exclude-dir '*.egg' \
--exclude-dir '*.egg-info' \
--exclude 'tox.ini' \
--exclude '*.sh' \
{toxinidir} | xargs flake8 --verbose"
[flake8]
# Ignores the following rules due to how ansible modules work in general
# F403 'from ansible.module_utils.basic import *' used; unable to detect undefined names
# H303 No wildcard (*) import.
ignore=F403,H303
# Run bashate check for all bash scripts
# Ignores the following rules:
# E003: Indent not multiple of 4 (we prefer to use multiples of 2)
[testenv:bashate]
deps = bashate
whitelist_externals = bash
commands =
bash -c "grep -Irl \
-e '!/usr/bin/env bash' \
-e '!/bin/bash' \
-e '!/bin/sh' \
--exclude-dir '.*' \
--exclude-dir '*.egg' \
--exclude-dir '*.egg-info' \
--exclude 'tox.ini' \
{toxinidir} | xargs bashate --verbose --ignore=E003"
[testenv:ansible-syntax]
changedir = tests
commands =
ansible-galaxy install \
--role-file=ansible-role-requirements.yml \
--ignore-errors \
--force
ansible-playbook -i inventory \
--syntax-check \
--list-tasks \
-e "rolename={toxinidir}" \
test.yml
[testenv:ansible-lint]
changedir = tests
commands =
ansible-galaxy install \
--role-file=ansible-role-requirements.yml \
--ignore-errors \
--force
ansible-lint test.yml
[testenv:ansible-functional]
changedir = tests
commands =
ansible-galaxy install \
--role-file=ansible-role-requirements.yml \
--ignore-errors \
--force
ansible-playbook -i inventory \
-e "rolename={toxinidir}" \
test.yml