OpenStack
What components/projects of OpenStack are you familiar with?
Can you tell me what each of the following services/projects is responsible for?:
- Nova
- Neutron
- Cinder
- Glance
- Keystone
Identify the service/project used for each of the following:
- Copy or snapshot instances
- GUI for viewing and modifying resources
- Block Storage
- Manage virtual instances
What is a tenant/project?
Determine true or false:
- OpenStack is free to use
- The service responsible for networking is Glance
- The purpose of tenant/project is to share resources between different projects and users of OpenStack
- Describe in detail how you bring up an instance with a floating IP
- 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, …)
OpenStack Deployment & TripleO
Have you deployed OpenStack in the past? If yes, can you describe how you did it?
Are you familiar with TripleO? How is it different from Devstack or Packstack?
OpenStack Compute
Can you describe Nova in detail?
What do you know about Nova architecture and components?
OpenStack Networking (Neutron)
Explain Neutron in detail
Explain each of the following components:
- neutron-dhcp-agent
- neutron-l3-agent
- neutron-metering-agent
- neutron-*-agtent
- neutron-server
Explain these network types:
- Management Network
- Guest Network
- API Network
- External Network
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 does it works and what is it responsible for?
What is the L3 agent? How does 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, …)
OpenStack – Glance
Explain Glance in detail
Describe Glance architecture
OpenStack – Swift
Explain Swift in detail
Can users store by default an object of 100GB in size?
Explain the following in regards to Swift:
Container
Account
Object
True or False? there can be two objects with the same name in the same container but not in two different containers
OpenStack – Cinder
Explain Cinder in detail
Describe Cinder’s components
OpenStack – Keystone
Can you describe the following concepts in regards to Keystone?
Role
Tenant/Project
Service
Endpoint
Token
What are the properties of a service? In other words, how a service is identified?
Explain the following: * PublicURL * InternalURL * AdminURL
What is a service catalog?
OpenStack Advanced – Services
Describe each of the following services
- Swift
- Sahara
- Ironic
- Trove
- Aodh
- Ceilometer
Identify the service/project used for each of the following:
- Database as a service which runs on OpenStack
- Bare Metal Provisioning
- Track and monitor usage
- Alarms Service
- Manage Hadoop Clusters
- highly available, distributed, eventually consistent object/blob store
OpenStack Advanced – Keystone
Can you describe Keystone service in detail?
Describe Keystone architecture
Describe the Keystone authentication process
OpenStack Advanced – Compute (Nova)
What each of the following does?:
- nova-api
- nova-compuate
- nova-conductor
- nova-cert
- nova-consoleauth
- nova-scheduler
What types of Nova proxies are you familiar with?
OpenStack Advanced – Networking (Neutron)
Explain BGP dynamic routing
What is the role of network namespaces in OpenStack?
OpenStack Advanced – Horizon
Can you describe Horizon in detail?
What can you tell about Horizon architecture?
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