08e3b4f287
This patch adds the team's and repository's badges to the README file. The motivation behind this is to communicate the project status and features at first glance. For more information about this effort, please read this email thread: http://lists.openstack.org/pipermail/openstack-dev/2016-October/105562.html To see an example of how this would look like check: https://gist.github.com/37bf460dffab4fbadb4be981904b75ca Change-Id: I0db8b075872e17e1b8ce0c51a75384c73a6190f1
238 lines
6.3 KiB
Markdown
238 lines
6.3 KiB
Markdown
Team and repository tags
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========================
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[](http://governance.openstack.org/reference/tags/index.html)
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<!-- Change things from this point on -->
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glance
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=======
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#### Table of Contents
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1. [Overview - What is the glance module?](#overview)
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2. [Module Description - What does the module do?](#module-description)
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3. [Setup - The basics of getting started with glance](#setup)
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4. [Implementation - An under-the-hood peek at what the module is doing](#implementation)
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5. [Limitations - OS compatibility, etc.](#limitations)
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6. [Development - Guide for contributing to the module](#development)
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7. [Contributors - Those with commits](#contributors)
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Overview
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--------
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The glance module is a part of [OpenStack](https://github.com/openstack), an effort by the OpenStack infrastructure team to provide continuous integration testing and code review for OpenStack and OpenStack community projects as part of the core software. The module its self is used to flexibly configure and manage the image service for OpenStack.
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Module Description
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------------------
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The glance module is a thorough attempt to make Puppet capable of managing the entirety of glance. This includes manifests to provision such things as keystone endpoints, RPC configurations specific to glance, and database connections. Types are shipped as part of the glance module to assist in manipulation of configuration files.
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This module is tested in combination with other modules needed to build and leverage an entire OpenStack software stack.
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Setup
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-----
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**What the glance module affects**
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* [Glance](https://wiki.openstack.org/wiki/Glance), the image service for OpenStack.
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### Installing glance
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puppet module install openstack/glance
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### Beginning with glance
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To utilize the glance module's functionality you will need to declare multiple resources. This is not an exhaustive list of all the components needed, we recommend you consult and understand the [core openstack](http://docs.openstack.org) documentation.
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**Define a glance node**
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```puppet
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class { 'glance::api':
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keystone_tenant => 'services',
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keystone_user => 'glance',
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keystone_password => '12345',
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database_connection => 'mysql://glance:12345@127.0.0.1/glance',
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}
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class { 'glance::registry':
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keystone_tenant => 'services',
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keystone_user => 'glance',
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keystone_password => '12345',
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database_connection => 'mysql://glance:12345@127.0.0.1/glance',
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}
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class { 'glance::backend::file': }
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```
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**Setup postgres node glance**
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```puppet
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class { 'glance::db::postgresql':
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password => '12345',
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}
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```
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**Setup mysql node for glance**
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```puppet
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class { 'glance::db::mysql':
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password => '12345',
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allowed_hosts => '%',
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}
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```
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**Setup up keystone endpoints for glance on keystone node**
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```puppet
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class { 'glance::keystone::auth':
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password => '12345'
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email => 'glance@example.com',
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public_url => 'http://172.17.0.3:9292',
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admin_url => 'http://172.17.0.3:9292',
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internal_url => 'http://172.17.1.3:9292',
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region => 'example-west-1',
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}
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```
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**Setup up notifications for multiple RabbitMQ nodes**
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```puppet
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class { 'glance::notify::rabbitmq':
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rabbit_password => 'pass',
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rabbit_userid => 'guest',
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rabbit_hosts => [
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'localhost:5672', 'remotehost:5672'
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],
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rabbit_use_ssl => false,
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}
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```
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### Types
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#### glance_api_config
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The `glance_api_config` provider is a children of the ini_setting provider. It allows one to write an entry in the `/etc/glance/glance-api.conf` file.
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```puppet
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glance_api_config { 'DEFAULT/image_cache_dir' :
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value => /var/lib/glance/image-cache,
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}
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```
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This will write `image_cache_dir=/var/lib/glance/image-cache` in the `[DEFAULT]` section.
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##### name
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Section/setting name to manage from `glance-api.conf`
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##### value
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The value of the setting to be defined.
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##### secret
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Whether to hide the value from Puppet logs. Defaults to `false`.
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##### ensure_absent_val
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If value is equal to ensure_absent_val then the resource will behave as if `ensure => absent` was specified. Defaults to `<SERVICE DEFAULT>`
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#### glance_registry_config
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The `glance_registry_config` provider is a children of the ini_setting provider. It allows one to write an entry in the `/etc/glance/glance-registry.conf` file.
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```puppet
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glance_registry_config { 'DEFAULT/workers' :
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value => 1,
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}
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```
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This will write `workers=1` in the `[DEFAULT]` section.
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##### name
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Section/setting name to manage from `glance-registry.conf`
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##### value
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The value of the setting to be defined.
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##### secret
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Whether to hide the value from Puppet logs. Defaults to `false`.
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##### ensure_absent_val
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If value is equal to ensure_absent_val then the resource will behave as if `ensure => absent` was specified. Defaults to `<SERVICE DEFAULT>`
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#### glance_cache_config
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The `glance_cache_config` provider is a children of the ini_setting provider. It allows one to write an entry in the `/etc/glance/glance-cache.conf` file.
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```puppet
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glance_cache_config { 'DEFAULT/image_cache_stall_time' :
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value => 86400,
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}
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```
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This will write `image_cache_stall_time=86400` in the `[DEFAULT]` section.
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##### name
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Section/setting name to manage from `glance-cache.conf`
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##### value
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The value of the setting to be defined.
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##### secret
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Whether to hide the value from Puppet logs. Defaults to `false`.
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##### ensure_absent_val
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If value is equal to ensure_absent_val then the resource will behave as if `ensure => absent` was specified. Defaults to `<SERVICE DEFAULT>`
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Implementation
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--------------
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### glance
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glance is a combination of Puppet manifest and ruby code to deliver configuration and extra functionality through types and providers.
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Limitations
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------------
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* Only supports configuring the file, swift and rbd storage backends.
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Beaker-Rspec
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------------
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This module has beaker-rspec tests
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To run the tests on the default vagrant node:
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To run:
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```shell
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bundle install
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bundle exec rspec spec/acceptance
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```
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For more information on writing and running beaker-rspec tests visit the documentation:
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* https://github.com/puppetlabs/beaker-rspec/blob/master/README.md
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Development
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-----------
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Developer documentation for the entire puppet-openstack project.
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* http://docs.openstack.org/developer/puppet-openstack-guide/
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Contributors
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------------
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* https://github.com/openstack/puppet-glance/graphs/contributors
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