December 2016
Intermediate to advanced
280 pages
5h 11m
English
Content preview from Native Docker Clustering with SwarmBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Swarm on OpenStack
Speaking of private cloud, the most popular open source solution for IaaS is OpenStack. OpenStack is a great ecosystem of programs (formerly known as projects), with the goal of providing a so-called cloud operating system. The core OpenStack programs are:
- Keystone: The identity and authorization system
- Nova: The virtual machine abstraction layer. Nova can be plugged with virtualization modules, such as Libvirt, VMware
- Neutron: The network module, which handles tenant networks, instances ports, routing, and traffic
- Cinder: The storage module responsible for handling volumes
- Glance: The image storage
Everything is glued up by additional actors:
- A database system, such as MySQL, keeping the configurations
- An AMQP broker, such as Rabbit, ...
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