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Steve Lewis 3d1b45ea4c Configure DB addresses for each service

To enable partitioning of DB traffic by-service, each service needs to
use a custom connection string. Defaulting the service address to a
common galera_address makes things continue to work by default.

While the galera_address could be overridden on a container or host
basis this requires repeating that behavior across each infra node in
the inventory. Providing service-specific connection address variables
simplifies the management somewhat for large deployments and may reduce
error rates.

The service install playbooks now default the service-specific variables
instead of galera_address to the internal lb vip from inventory to
maintain the ease-of-use currently available.

Any value for a service-specific variable set in user_variables.yml will
override the value in the playbook's vars to provide selective
customization as needed.

Change-Id: I4c98bf906a0c1cb11ddd41277a855dce22ff646a
Closes-Bug: 1462529

2015-06-10 02:07:38 +00:00

doc

Add an extension section to the developer docs.

2015-06-01 13:56:33 -04:00

etc

Moved all of group_vars into a variable file

2015-06-02 14:02:38 +01:00

playbooks

Configure DB addresses for each service

2015-06-10 02:07:38 +00:00

scripts

Updated all of master to the latest SHAs

2015-06-08 17:18:14 -05:00

.gitignore

Add Sphinx machinery and initial docs.

2015-05-14 10:50:05 -04:00

.gitreview

Adds .gitreview file to repo

2014-12-02 17:22:12 -06:00

ansible-role-requirements.yml.example

Convert existing roles into galaxy roles

2015-02-18 10:56:25 +00:00

CONTRIBUTING.rst

Updating CONTRIBUTING for commit messages

2015-04-06 10:38:40 -05:00

dev-requirements.txt

Add Sphinx machinery and initial docs.

2015-05-14 10:50:05 -04:00

development-stack.rst

fix bash/curl command in development-stack.rst

2015-05-27 11:21:27 +01:00

LICENSE.txt

Convert existing roles into galaxy roles

2015-02-18 10:56:25 +00:00

README.rst

Updated ansible to use the latest stable release

2015-04-08 08:29:53 +01:00

requirements.txt

Bump requirements in preparation for kilo

2015-04-03 18:02:48 +00:00

README.rst

OpenStack Ansible Deployment

date: 2015-02-02 22:00
tags: lxc, openstack, cloud, ansible
category: *nix

Playbooks

There are several playbooks within that will setup hosts for use in OpenStack Cloud. The playbooks will enable LXC on hosts and provides the ability to deploy LXC containers for use within openstack.

Plays:

setup-hosts.yml Performs host setup for use with LXC in the OpenStack hosts.
setup-infrastructure.yml Performs all of the setup for all infrastructure components.
setup-openstack.yml Performs all of the setup for all of the OpenStack components.

If you dont want to run plays individually you can simply run setup-everything.yml which will perform all of the setup and installation for you.

Basic Setup:

If you have any roles that you'd like to have pulled in that are outside the scope and or replace modules within this repository please add them to the ansible-role-requirements.yml file. In this file you will want to fill in the details for the role you want to pull in using standard ansible galaxy format.

- name: SuperAwesomeModule
  src: https://github.com/super-user/SuperAwesomeModule
  version: master

Run the ./scripts/bootstrap-ansible.sh script, which will install, pip, ansible 1.9.x, all of the required python packages, and bring in any third part ansible roles that you may want to add to the deployment.
Copy the etc/openstack_deploy directory to /etc/openstack_deploy.
Fill in your openstack_deploy/openstack_user_config.yml, openstack_deploy/user_secrets.yml and openstack_deploy/user_variables.yml files which you've just copied to your /etc/ directory.
Generate all of your random passwords executing scripts/pw-token-gen.py --file /etc/openstack_deploy/user_secrets.yml.
Accomplish all of the host networking that you want to use within the deployment. See the etc/network directory in this repository for an example network setup.
When ready change to the playbooks/ directory and execute your desired plays. IE:

openstack-ansible setup-everything.yml

Notes

If you run the ./scripts/bootstrap-ansible.sh script a wrapper script will be added to your system that wraps the ansible-playbook command to simplify the arguments required to run openstack ansible plays. The name of the wrapper script is openstack-ansible.
The lxc network is created within the lxcbr0 interface. This supports both NAT networks as well as more traditional networking. If NAT is enabled (default) the IPtables rules will be created along with the interface as a post-up processes. If you ever need to recreate the rules and or restart the dnsmask process you can bounce the interface IE: ifdown lxcb0; ifup lxcbr0 or you can use the lxc-system-manage command.
The tool lxc-system-manage is available on all lxc hosts and can assist in recreating parts of the LXC system whenever its needed.
Inventory is generated by executing the playbooks/inventory/dynamic_inventory.py script. This is configured in the playbooks/ansible.cfg file.

Bugs and Blueprints

Everything we do is in launchpad and gerrit. If you'd like to raise a bug, feature request, or are looking for ways to contribute please go to "https://launchpad.net/openstack-ansible".

Documentation

While no os-ansible-deployment community documentation exists (yet), other than the .rst files present in this repository, comprehensive installation guides for Rackspace Private Cloud (an opinionated version of os-ansible-deployment) are available at "http://www.rackspace.com/knowledge_center/getting-started/rackspace-private-cloud".

Note:: These docs may not be up-to-date with the current release of this repository however they are still a good source of documentation.