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Guide to the Pure Storage Cinder Plugin version 2.0.0 for Fuel

This document provides instructions for installing, configuring and using Pure Storage Cinder plugin for Fuel.

Pure Storage Cinder

The Pure Storage Cinder Fuel plugin provides an automated method to insert the necessary lines into the cinder.conf file. The plugin extends the Fuel Web UI to provide the necessary entry locations for the information for the configuration file. Thus, the plugin incorporates OpenStack Cinder Driver for Pure Storage Flash Array. Thus, the plugin provides the ability to create a configuration file stanza so that when multi-backend support is selected, the stanza is correct.

License

Component	License type
No Components are present

Requirements

Requirement	Version/Comment
Fuel	8.0

Limitations

No limitations are present

Installation Guide

Make sure your Pure Storage Flash Array is up and running. For more information on the Array configuration, follow the official documentation available on the Pure Storage Community Website.

Pure Storage Cinder Plugin installation --------------------------

Download the plugin from the Fuel Plugins Catalog.
Copy the plugin to an already installed Fuel Master node. If you do not have the Fuel Master node yet, please follow the instructions:
```
scp  fuel-plugin-purestorage-cinder-2.0-2.0.0.noarch.rpm root@:<the_Fuel_Master_node_IP>:/tmp
```
Log into the Fuel Master node.

Install the plugin

cd /tmp
fuel plugins --install fuel-plugin-purestorage-cinder-2.0-2.0.0.noarch.rpm

Check if the plugin was installed successfully

# fuel plugins
id | name                           | version | package_version
---|--------------------------------|---------|----------------
 1 | fuel-plugin-purestorage-cinder | 2.0.0   | 2.0.0

After the plugin is installed, create a new OpenStack environment using the Fuel UI Wizard.
Configure your environment.
Open the Settings tab of the Fuel Web UI and scroll down the page. Select the Fuel plugin to enable Pure Storage driver in Cinder plugin checkbox.

Enter the Purity API Token and the IP address of the management VIP of the Pure Storage FlashArray. Obtain the Purity API token from the Pure Storage GUI

(System->Users->API Tokens: Select User, click gear icon by use select 'Show API Token')

# pureadmin list --api-token --expose <USER>

Obtain the Pure Storage VIP from the Pure Storage GUI

 (System->System->Configuration->Networking: e IP addresses associated with 'vir0')

# purenetwork list vir0

Select the defaults for all other Pure Storage options. More details on these options can be found in the Pure Storage Fuel Plugin documentation.

User Guide

Once the OpenStack instance is deployed by Fuel the Pure Storage plugin provides no user configurable or maintainable options. As part of this installation a new multipath.conf file is provided to all nodes. Ensure that other device entries required for your local environment are added to these files and multipath is restarted to accept any changes.

The Pure Storage driver (Once configured by Fuel) will output all logs into the cinder-volume process log file with the 'Pure Storage' title.

Known issues

Ensure your controller nodes have access to the public internet to allow for correct Python module installation required by the Fuel plugin
If you environment is deployed with multiple controllers for HA, you cannot run all the Cinder Volume services at the same time in Active-Active mode
There are specific changes that need to be made to the local deb packages. More details can be found in the Pure Storage/Mirantis Reference Architecture.

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