59 lines
2.0 KiB
Markdown
59 lines
2.0 KiB
Markdown
# Heat resources for working with the Rackspace Cloud
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The resources and configuration in this module are for using Heat with the Rackspace Cloud. These resources either
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allow using Rackspace services that don't have equivalent services in OpenStack or account for differences between
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a generic OpenStack deployment and Rackspace Cloud.
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This package also includes a Keystone V2 compatible client plugin, that can be used in place of the default client
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for clouds running older versions of Keystone.
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## Installation
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### 1. Install the Rackspace plugins in Heat
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NOTE: These instructions assume the value of heat.conf plugin_dirs includes the
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default directory /usr/lib/heat.
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- To install the plugin, from this directory run:
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sudo python ./setup.py install
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- (Optional) If you want to enable the Keystone V2 client plugin, set the `keystone_backend` option to
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`heat.engine.plugins.heat_keystoneclient_v2.client.KeystoneClientV2`
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### 2. Restart heat
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Only the process "heat-engine" needs to be restarted to load the newly installed
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plugin.
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## Resources
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The following resources are provided for compatibility:
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* `Rackspace::Cloud::Server`:
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>Provide compatibility with `OS::Nova::Server` and allow for working `user_data` and `Metadata`. This is deprecated and should be replaced with `OS::Nova::Server` once service compatibility is implemented by Rackspace.
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* `Rackspace::Cloud::LoadBalancer`:
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>Use the Rackspace Cloud Loadbalancer service; not compatible with `OS::Neutron::LoadBalancer`.
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### Usage
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#### Templates
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#### Configuration
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## Heat Keystone V2
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Note that some forward compatibility decisions had to be made for the Keystone V2 client plugin:
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* Stack domain users are created as users on the stack owner's tenant
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rather than the stack's domain
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* Trusts are not supported
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### How it works
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By setting the `keystone_backend` option, the KeystoneBackend class in
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`heat/common/heat_keystoneclient.py` will instantiate the plugin
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KeystoneClientV2 class and use that instead of the default client in
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`heat/common/heat_keystoneclient.py`.
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