User Guide added

Change-Id: I1b0a340caf24f25d7c08e2df180a67ae815bc51b
This commit is contained in:
Taras Kostyuk 2016-08-26 17:56:46 +03:00 committed by Oleksandr Martsyniuk
parent 9933adf045
commit bb5f63daf3
20 changed files with 830 additions and 0 deletions

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# IDE settings
.idea/*
# Documentation build files
doc/user_guide/_build

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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) .
# the i18n builder cannot share the environment and doctrees with the others
I18NSPHINXOPTS = $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
.PHONY: help clean html dirhtml singlehtml pickle json htmlhelp qthelp devhelp epub latex latexpdf text man changes linkcheck doctest 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"
@echo " singlehtml to make a single large HTML file"
@echo " pickle to make pickle files"
@echo " json to make JSON files"
@echo " htmlhelp to make HTML files and a HTML help project"
@echo " qthelp to make HTML files and a qthelp project"
@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"
@echo " doctest to run all doctests embedded in the documentation (if enabled)"
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:
$(SPHINXBUILD) -b htmlhelp $(ALLSPHINXOPTS) $(BUILDDIR)/htmlhelp
@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/FuelVMwareDVSplugin.qhcp"
@echo "To view the help file:"
@echo "# assistant -collectionFile $(BUILDDIR)/qthelp/FuelVMwareDVSplugin.qhc"
devhelp:
$(SPHINXBUILD) -b devhelp $(ALLSPHINXOPTS) $(BUILDDIR)/devhelp
@echo
@echo "Build finished."
@echo "To view the help file:"
@echo "# mkdir -p $$HOME/.local/share/devhelp/FuelVMwareDVSplugin"
@echo "# ln -s $(BUILDDIR)/devhelp $$HOME/.local/share/devhelp/FuelVMwareDVSplugin"
@echo "# devhelp"
epub:
$(SPHINXBUILD) -b epub $(ALLSPHINXOPTS) $(BUILDDIR)/epub
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@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) $(BUILDDIR)/latex
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$(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."
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."

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Useful links
------------
For more information about Google Cloud Storage(GCS) Fuel plugin
described in this document, see:
* `Specification <https://github.com/openstack/fuel-plugin-cinder-gcs/blob/master/specs/spec.rst>`_
* `GitHub project <https://github.com/openstack/fuel-plugin-cinder-gcs>`_
* `Launchpad project <https://launchpad.net/fuel-plugin-cinder-gcs>`_

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"""Copyright 2016 Mirantis, 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
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.
"""
# -*- coding: utf-8 -*- # noqa
#
# Google Cloud Storage(GCS) Fuel plugin documentation build configuration file, created by
# sphinx-quickstart on Fri Aug 14 12:14:29 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 = []
# 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'Google Cloud Storage(GCS) Fuel plugin'
copyright = u'2016, Mirantis Inc.' # noqa
# 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 = '1.0.0'
# The full version, including alpha/beta/rc tags.
release = '1.0-1.0.0-0'
# 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 = []
# 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
# -- 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 = 'default'
# 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
# Output file base name for HTML help builder.
htmlhelp_basename = 'GCSFuelplugindoc'
# -- Options for LaTeX output ---------------------------------------------
latex_elements = {
'classoptions': ',openany,oneside', 'babel': '\\usepackage[english]{babel}'
}
# 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 = [
('index', 'GCSFuelplugin.tex', u'Google Cloud Storage(GCS) Fuel Plugin\
Guide', u'Mirantis Inc.', '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 = [
('index', 'gcsfuelplugin', u'Google Cloud Storage(GCS) Fuel plugin user\
guide', [u'Mirantis Inc.'], 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 = [
('index', 'GCSFuelplugin', u'Google Cloud Storage(GCS) Fuel plugin user guide',
u'Mirantis Inc.', 'GCSFuelplugin',
'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
# Insert footnotes where they are defined instead of at the end.
pdf_inline_footnotes = True
# -- Options for Epub output ----------------------------------------------
# Bibliographic Dublin Core info.
epub_title = u'Google Cloud Storage(GCS) Plugin for Fuel'
epub_author = u'Mirantis Inc.'
epub_publisher = u'Mirantis Inc.'
epub_copyright = u'2016, Mirantis Inc.'
# The basename for the epub file. It defaults to the project name.
#epub_basename = u'fuel-plugin-openbook'
# The HTML theme for the epub output. Since the default themes are not optimized
# for small screen space, using the same theme for HTML and epub output is
# usually not wise. This defaults to 'epub', a theme designed to save visual
# space.
#epub_theme = 'epub'
# 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 = ()
# A sequence of (type, uri, title) tuples for the guide element of content.opf.
#epub_guide = ()
# 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 = ['search.html']
# The depth of the table of contents in toc.ncx.
#epub_tocdepth = 3
# Allow duplicate toc entries.
#epub_tocdup = True
# Choose between 'default' and 'includehidden'.
#epub_tocscope = 'default'
# Fix unsupported image types using the PIL.
#epub_fix_images = False
# Scale large images.
#epub_max_image_width = 0
# How to display URL addresses: 'footnote', 'no', or 'inline'.
#epub_show_urls = 'inline'
# If false, no index is generated.
#epub_use_index = True

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.. _configure:
Configure an environment with GCS Fuel plugin
---------------------------------------------
To create and configure environment with GCS Fuel plugin,
follow the steps below:
#. `Create a new OpenStack environment <http://docs.openstack.org/developer/fuel-docs/userdocs/fuel-user-guide.html>`_
in Fuel web UI.
#. Use Cinder with LVM backend or CEPH for block storage in
Storage Backends tab. Additional details on storage planning can be found in
`Mirantis OpenStack Planning guide <https://docs.mirantis.com/openstack/fuel/fuel-8.0/mos-planning-guide.html#plan-the-storage>`_.
.. image:: images/storage.png
#. Enable the Google Cloud Storage Fuel plugin in `Additional services` tab:
.. image:: images/plugin.png
#. Add nodes and assign them roles:
* in case if LVM backend for Cinder is enabled
* At least 1 Controller
* Desired number of Compute hosts
* At least 1 Cinder node, the Cinder role can also be added to Compute or
Controller node
* in case if CEPH backend is enabled for volumes
* At least 1 Controller
* Desired number of Compute hosts
* At least 3 CEPH OSD hosts, this role can be co-located with other roles
#. Navigate to the `Settings` tab to configure the Fuel GCS plugin parameters.
All of the plugin settings fields must be filled with correct values,
most of them do not have default values as they are environment-specific.
Google Cloud Storage(GCS) Fuel plugin settings are logically divided into
two parts:
* Mandatory settings
.. image:: images/settings.png
* The project ID
* The bucket name to store backup data
* The storage class for the bucket, can be selected from drop-down list
* Bucket location, a list of locations can be found in
`Google Cloud storage documentation <https://cloud.google.com/storage/docs/bucket-locations>`_
* Credentials related settings such as `GCS Account type`, `Private Key ID`,
`Private Key`, `Client E-mail`, `Client ID`, `Auth URI`, `Token URI`,
`Auth Provider X509 Cert URL`, `Client X509 Cert URL` should be copied from
corresponding fields of credentials JSON file. This file is downloaded from
`Google Cloud Console <https://console.cloud.google.com/apis/credentials>`_
on new service account creation at API management page.
* Advanced settings
.. image:: images/advanced_settings.png
This section is visible only when `Show advanced settings` checkbox is enabled.
Changing values here may be required to override the default settings for
Google Cloud Cinder backup driver.
The fields have reasonable default values, which correspond to driver defaults.
Please see `OpenStack documentation <http://docs.openstack.org/mitaka/config-reference/block-storage/backup/gcs-backup-driver.html>`_
for a list of GCS backup driver configuration options.
#. Press `Save Settings` button.
#. Make additional
`configuration adjustments <http://docs.openstack.org/developer/fuel-docs/userdocs/fuel-user-guide/configure-environment.html>`__.
#. Proceed to the
`environment deployment <http://docs.openstack.org/developer/fuel-docs/userdocs/fuel-user-guide/deploy-environment.html>`__.

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.. _definitions:
Key terms
---------
The table below lists the key terms, acronyms, and abbreviations that are used
in this document.
.. tabularcolumns:: |p{4cm}|p{12.5cm}|
====================== ========================================================
**Term/abbreviation** **Definition**
====================== ========================================================
Cinder `Block Storage service for OpenStack <https://github.com/openstack/cinder>`__
GCS `Google Cloud Storage <https://cloud.google.com/storage/>`__
GCS backup driver `Google Cloud Storage backup driver <http://docs.openstack.org/mitaka/config-reference/block-storage/backup/gcs-backup-driver.html>`__
Mistral `OpenStack workflow service <https://github.com/openstack/mistral>`__
====================== ========================================================
.. raw:: latex
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================================================
Google Cloud Storage(GCS) Fuel Plugin User Guide
================================================
Overview
~~~~~~~~
.. toctree::
:maxdepth: 2
intro
definitions
requirements
prerequisites
limitations
release_notes
license
appendix
Install and configure GCS Fuel Plugin
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. toctree::
:maxdepth: 2
install
config
Use GCS Fuel Plugin
~~~~~~~~~~~~~~~~~~~
.. toctree::
:maxdepth: 2
troubleshooting

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Install Google Cloud Storage(GCS) Fuel plugin
---------------------------------------------
Before you proceed with Google Cloud Storage(GCS) Fuel plugin installation, please verify next:
#. You have completed steps from :ref:`prerequisites` section.
#. All the nodes of your future environment are *DISCOVERED* by the Fuel Master node.
**To install the Google Cloud Storage(GCS) Fuel plugin:**
#. Download Google Cloud Storage(GCS) Fuel plugin from the
`Fuel Plugin Catalog <https://www.mirantis.com/products/openstack-drivers-and-plugins/fuel-plugins/>`__.
#. Copy the plugin ``.rpm`` package to the Fuel Master node:
.. code-block:: console
$ scp fuel-plugin-cinder-gcs-1.0-1.0.0-1.noarch.rpm <Fuel Master nodeip>:/tmp
#. Log in to the Fuel Master node CLI as root.
#. Install the plugin:
.. code-block:: console
# fuel plugins --install /tmp/fuel-plugin-cinder-gcs-1.0-1.0.0-1.noarch.rpm
#. Verify that the plugin was installed successfully:
.. code-block:: console
# fuel plugins
id | name | version | package_version | releases
---+------------------------+---------+-----------------+--------------------
2 | fuel-plugin-cinder-gcs | 1.0.0 | 4.0.0 | ubuntu (mitaka-9.0)
#. Proceed to :ref:`configure` section.

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Introduction
------------
The purpose of this document is to describe how to install, configure, and use
Google Cloud Storage(GCS) plugin 1.0.0 for Fuel 9.0.
Since Mitaka OpenStack release, Cinder supports Google Cloud Storage backup
driver. The plugin adds a possibility to Fuel to deploy OpenStack clouds with
Cinder configured for using GCS backup driver.

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Licenses
--------
===================================== ============
**Component** **License**
===================================== ============
Google Cloud Storage(GCS) Fuel plugin Apache 2.0
google-api-python-client Apache 2.0
===================================== ============

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Limitations
-----------
Google Cloud Storage(GCS) Fuel plugin 1.0.0 has the following limitations:
* Cinder does not support multiple backup backends at the same time so switching
backup backend for a cloud with some backups already created by another driver
may not be possible without losing access to previously created backups.
* A single GCS bucket can be used per OpenStack environment.

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#!/bin/bash
lsb_release -a 2>/dev/null | grep 'Distributor ID:' | grep -q Ubuntu || \
{ echo 'Not an Ubuntu'; exit 1; }
apt-cache policy texlive-latex-extra | grep 'Installed:' | grep -q '(none)' && \
{ echo 'Please install texlive-latex-extra package'; exit 1; }
rm -rf _build
make latexpdf
echo -e -n '\nCreated pdf : '
find _build/ | grep -e '.*\.pdf'
echo ''

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.. _prerequisites:
Prerequisites
-------------
Before you install and start using Google Cloud Storage(GCS) Fuel plugin,
complete the following steps:
#. Install and set up
`Fuel 9.0 <http://docs.openstack.org/developer/fuel-docs/userdocs/fuel-install-guide.html>`__.
#. Make sure Internet is available on Cinder nodes
#. Download JSON credentials file for service account from `Google Cloud Console <https://console.cloud.google.com/apis/credentials>`_.

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Release notes
-------------
The Google Cloud Storage(GCS) Fuel plugin 1.0.0 provides:
* A possibility of using Google Cloud Storage as a backup storage for Cinder backups.
* A sample Mistral workbook for backup process automation.

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Requirements
------------
Google Cloud Storage(GCS) Fuel plugin 1.0.0 has the following requirements:
* Fuel 9.0 with Mitaka support
* Internet connection to Cinder nodes
* Valid credentials for GCS service account
Check `Planning Guide <https://docs.mirantis.com/openstack/fuel/fuel-9.0/mos-planning-guide.html>`__
and `Planning hardware for your OpenStack cluster: the answers to your questions <https://www.mirantis.com/blog/planning-hardware-for-your-openstack-cluster-the-answers-to-your-questions/>`__
for additional requirements to consider.

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Troubleshooting
---------------
This section contains a guidance on how to verify Cinder is configured for using
Google Cloud Storage backup driver and where to look for logs.
Finding logs
^^^^^^^^^^^^
LVM as backend for Cinder volumes
"""""""""""""""""""""""""""""""""
Backup-related Cinder logs can be found in ``/var/log/cinder/cinder-backup.log``
on nodes with *cinder* role.
Ceph as backend for Cinder volumes
""""""""""""""""""""""""""""""""""
Backup-related Cinder logs can be found in ``/var/log/cinder/cinder-backup.log``
on nodes with *controller* role.
Finding configuration files
^^^^^^^^^^^^^^^^^^^^^^^^^^^
LVM as backend for Cinder volumes
"""""""""""""""""""""""""""""""""
Backup-related Cinder parameters are stored in /etc/cinder/cinder.conf on
*cinder* nodes.
Ceph as backend for Cinder volumes
""""""""""""""""""""""""""""""""""
Backup-related Cinder parameters are stored in /etc/cinder/cinder.conf on
*controller* nodes.
Verifying GCS Cinder backup driver is enabled
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
If GCS Cinder backup driver is enabled *[DEFAULT]* section of *cinder.conf*
should contain
``backup_driver = cinder.backup.drivers.google``
and
``backup_gcs_credential_file = /var/lib/cinder/credentials.json``
The file ``/var/lib/cinder/credentials.json`` should contain the same information as
the credentials file downloaded from Google Cloud Storage UI.