Adds openstack-powervm blueprint
Blueprint template to configure OpenStack services with PowerVM support Change-Id: I16646d590c109ad11deb80540eef6b9d9d9eabb8 Implements: blueprint openstack-powervm
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Dominique Clain
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This work is licensed under a Creative Commons Attribution 3.0 Unported
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License.
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http://creativecommons.org/licenses/by/3.0/legalcode
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=================================================
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Configure openstack services with PowerVM support
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=================================================
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Include the URL of your launchpad blueprint:
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https://blueprints.launchpad.net/openstack-chef/+spec/openstack-powervm
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IBM PowerVM is a hypervisor that the POWER platform supports.
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PowerVM admins can see benefits in their environments by making use of OpenStack.
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The nova driver (along with a Neutron ML2 compatible agent and ceilometer
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agent) will provide capability for admins of PowerVM to use OpenStack natively.
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The PowerVM drivers are opensource and currently being worked in the StackForge
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community.
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For Nova, the PowerVM compute driver is on the openstack base incubation track.
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For Neutron the driver will follow the BYOD model set forth in the Neutron extension
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decomposition. There is a blueprint for supporting a PowerVM compute
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inspector in Ceilometer at least for the L release.
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In a later release it's been expressed that the Ceilometer compute notifications model may change.
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For PowerVM systems this ML2 agent would replace the default openvswitch agent for compute nodes
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with the PowerVM SEA ML2 agent.
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Refer [OPENSTACK_NOVA_POWERVM]_.
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Refer [OPENSTACK_NEUTRON_POWERVM]_.
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Refer [OPENSTACK_CEILOMETER_POWERVM]_.
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Refer [POWERVM_CEILOMETER_COMPUTE]_.
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This new change proposed will enable deployment and configuration of the
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PowerVM Nova compute driver, Neutron ML2 agent and Ceilometer compute inspector.
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Similar to VMWare, this is an addition to support another type of hypervisor.
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Problem description
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===================
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* Currently, cookbook-openstack-compute does not support the deployment and
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configuration of the PowerVM Nova compute driver.
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* Currently, cookbook-openstack-network does not support the deployment and
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configuration of the PowerVM Neutron ML2 agent.
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* Currently, cookbook-openstack-telemetry does not support the deployment and
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configuration of the PowerVM Ceilometer compute inspector.
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Proposed change
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===============
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Add support in cookbook-openstack-* cookbooks to configure the PowerVM Nova
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compute driver, Neutron ML2 agent and Ceilometer compute inspector.
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* A new configuration attribute will be added in order to deploy PowerVM drivers
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* If the new attribute is enabled, it will auto set other attributes and
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automatically include the PowerVM recipes
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* By default, PowerVM drivers will be downloaded from source code on Stackforge
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* A new configuration attribute will allow to download from either source code
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or public package repository
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* A new configuration attribute will allow to override the package repository url
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Alternatives
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------------
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* User manually downloads code from Stackforge and deploy/configure the PowerVM
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Nova compute driver, Neutron ML2 agent and Ceilometer compute inspector.
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* User extends the existing OpenStack Puppet modules to deploy and configure
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the PowerVM Nova compute driver, Neutron ML2 agent and Ceilometer compute inspector.
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Refer [OPENSTACK_PUPPET_NOVA]_.
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Refer [OPENSTACK_PUPPET_NEUTRON]_.
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Refer [OPENSTACK_PUPPET_CEILOMETER]_.
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Data model impact
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-----------------
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None
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REST API impact
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---------------
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None
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Security impact
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---------------
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None
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Notifications impact
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--------------------
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None
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Other end user impact
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---------------------
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None
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Performance Impact
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------------------
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None
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Other deployer impact
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---------------------
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* Deployment of PowerVM drivers has to be explicitly enabled
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* As of now, we're considering the use of configuration attributes rather than
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roles to deploy PowerVM drivers since its usage is not considered generic yet.
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* The deployer will be able to deploy the PowerVM drivers from different sources
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(github, public or private package repositories) by overidding
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configuration attributes.
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Developer impact
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----------------
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None
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Implementation
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==============
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Assignee(s)
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-----------
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Primary assignee:
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dclain
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Other contributors:
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thorst
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Work Items
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----------
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* Work with the PowerVM Driver team to fully understand all of the
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configuration options
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* Add new attributes to openstack-compute, openstack-network,
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openstack-telemetry to support PowerVM
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* Change openstack-compute / nova.conf.erb template for including
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configuration specific to the PowerVM Nova compute driver
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* Change openstack-compute / rootwrap.conf.erb template for including filters
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specific to the PowerVM Nova compute driver
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* Add new recipe for PowerVM configuration in openstack-compute
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* Change openstack-net work / ml2_conf.ini.erb in openstack-network for
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including configuration specific to the PowerVM Neutron ML2 agent
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* Add new recipe for the PowerVM Neutron ML2 agent configuration in
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openstack-network
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* Add new recipe for the PowerVM Ceilometer inspector configuration in
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openstack-telemetry
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* Add Unit Tests for each new recipe
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* Extend openstack-chef-repo to test all-in-one PowerVM nova-network
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Dependencies
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============
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* TBD
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Testing
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=======
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* Add unit tests for the recipes
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* Add new test, environment to support all-in-one PowerVM nova compute using
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openstack-chef-repo
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* We will report our function and CI integration test results (using
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openstack-chef-repo) back to the Chef team.
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Documentation Impact
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====================
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* Update README.md in openstack-compute, openstack-network, openstack-telemetry
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cookbooks to expose the PowerVM configuration attributes and how to enable it
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* Update README.md in openstack-chef-repo cookbook to explain
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* Add documentation in openstack-chef-repo/doc to explain how to test a PowerVM
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specific all-in-one compute configuration
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References
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==========
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.. [OPENSTACK_NOVA_POWERVM] `PowerVM driver for OpenStack Nova compute driver
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<https://github.com/stackforge/nova-powervm>`_
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.. [OPENSTACK_NEUTRON_POWERVM] `PowerVM driver for OpenStack Neutron ML2 agent
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<https://github.com/stackforge/neutron-powervm>`_
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.. [OPENSTACK_CEILOMETER_POWERVM] `PowerVM driver for OpenStack Ceilometer
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compute inspector <https://github.com/stackforge/ceilometer-powervm>`_
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.. [OPENSTACK_PUPPET_NOVA] `OpenStack Nova Puppet Module
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<https://github.com/openstack/puppet-nova>`_
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.. [OPENSTACK_PUPPET_NEUTRON] `OpenStack Neutron Puppet Module
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<https://github.com/openstack/puppet-neutron>`_
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.. [OPENSTACK_PUPPET_CEILOMETER] `OpenStack Ceilometer Puppet Module
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<https://github.com/openstack/puppet-ceilometer>`_
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.. [POWERVM_CEILOMETER_COMPUTE] `PowerVM Ceilometer Compute Launchpad
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<https://launchpad.net/ceilometer-powervm>`_
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