OpenStack

Tell me about your experience with OpenStack. What do you think are the advantages and disadvantages of OpenStack?

What components/projects of OpenStack are you familiar with?

Can you tell me what each of the following components/projects is responsible for?:

Describe in detail how you bring up an instance with an IP you can reach from outside the cloud

You get a call from a customer saying: "I can ping my instance but can't connect (ssh) it". What might be the problem?

What types of networks OpenStack supports?

How do you debug OpenStack storage issues? (tools, logs, ...)

How do you debug OpenStack compute issues? (tools, logs, ...)

Are you familiar with TripleO? What benefits it has?

What is a provider network?

What components and services exist for L2 and L3?

What is the ML2 plug-in? Explain its architecture

What is the L2 agent? How it works and what is it responsible for?

What is the L3 agent? How it works and what is it responsible for?

Explain what the Metadata agent is responsible for

What networking entities Neutron supports?

How do you debug OpenStack networking issues? (tools, logs, ...)

Explain BGP dynamic routing

What is the role of network namespaces in OpenStack?

Provide feedback