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glance

Table of Contents

  1. Overview - What is the glance module?
  2. Module Description - What does the module do?
  3. Setup - The basics of getting started with glance
  4. Implementation - An under-the-hood peek at what the module is doing
  5. Limitations - OS compatibility, etc.
  6. Development - Guide for contributing to the module
  7. Contributors - Those with commits
  8. Release Notes - Notes on the most recent updates to the module

Overview

The glance module is a part of Stackforge, an effort by the Openstack infrastructure team to provide continuous integration testing and code review for Openstack and Openstack community projects not part of the core software. The module its self is used to flexibly configure and manage the image service for Openstack.

Module Description

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.

This module is tested in combination with other modules needed to build and leverage an entire Openstack software stack. These modules can be found, all pulled together in the openstack module.

Setup

What the glance module affects

  • glance, the image service for Openstack.

Installing glance

example% puppet module install puppetlabs/glance

Beginning with glance

To utilize the glance module's functionality you will need to declare multiple resources. The following is a modified excerpt from the openstack module. This is not an exhaustive list of all the components needed, we recommend you consult and understand the openstack module and the core openstack documentation.

Define a glance node

class { 'glance::api':
  verbose           => 'True',
  keystone_tenant   => 'services',
  keystone_user     => 'glance',
  keystone_password => '12345',
  sql_connection    => 'mysql://glance:12345@127.0.0.1/glance',
}

class { 'glance::registry':
  verbose           => 'True',
  keystone_tenant   => 'services',
  keystone_user     => 'glance',
  keystone_password => '12345',
  sql_connection    => 'mysql://glance:12345@127.0.0.1/glance',
}

class { 'glance::backend::file': }

Setup postgres node glance

class { 'glance::db::postgresql':
  password => '12345',
}

Setup mysql node for glance

class { 'glance::db::mysql':
  password      => '12345',
  allowed_hosts => '%',
}

Setup up keystone endpoints for glance on keystone node

class { 'glance::keystone::auth':
  password         => '12345'
  public_address   => '172.17.0.3',
  admin_address    => 'admin@example.com',
  internal_address => '172.17.1.3',
  region           => 'example-west-1',
}

Implementation

glance

glance is a combination of Puppet manifest and ruby code to deliver configuration and extra functionality through types and providers.

Limitations

  • Only supports configuring the file and swift storage backends.

Development

Developer documentation for the entire puppet-openstack project.

Contributors

Release Notes

2.0.0

  • Upstream is now part of stackfoge.
  • Added postgresql support.
  • Various cleanups and bug fixes.