Generating a list of URL patterns for OpenStack services.

Last year at the Boston OpenStack summit, I presented on an Idea of using URL patterns to enforce RBAC. While this idea is on hold for the time being, a related approach is moving forward building on top of application credentials. In this approach, the set of acceptable URLs is added to the role, so it is an additional check. This is a lower barrier to entry approach.
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OpenStack Role Assignment Inheritance for CloudForms

Operators expect to use CloudForms to perform administrative tasks. For this reason, the documentation for OpenStack states that the Keystone user must have an ‘admin’ role. We found at least one case, however, where this was not sufficient. Fortunately, we have a better approach, and one that can lead to success in a wider array of deployments.

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Matching Create and Teardown in an Ansible Role

Nothing lasts forever. Except some developer setups that no-one seems to know who owns, and no one is willing to tear down. I’ve tried to build the code to clean up after myself into my provisioning systems. One pattern I’ve noticed is that the same data is required for building and for cleaning up a cluster. When I built Ossipee, each task had both a create and a teardown stage. I want the same from Ansible. Here is how I’ve made it work thus far.

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Deploying an image on OpenStack that is bigger than the available flavors.

Today I tried to use our local OpenStack instance to deploy CloudForms Management Engine (CFME). Our OpenStack deployment has a set of flavors that all are defined with 20 GB Disks. The CFME image is larger than this, and will not deploy on the set of flavors. Here is how I worked around it.
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