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This article mainly explains "what are the main components and functions of openstack". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn what are the main components and functions of openstack.

The main components are: 1, keystone, authentication management services; 2, Nova, management of computing resources; 3, Glance, storage, query and retrieval functions of virtual machine images; 4, Swift, high availability distributed object storage services; 5, Cinder, management of all block storage devices.

The operating environment of this tutorial: windows7 system, Dell G3 computer.

Keystone (identity service module), its function is to provide authentication management service, provide authentication information / token management of all other components, create, modify, and so on.

Nova (Computing Service component), its function is to manage computing resources, manage instance life cycle (virtual machine), and provide Restful API communication to the outside.

Glance (Mirror Service component), its function is to provide virtual machine image storage, query and retrieval functions, to serve nova, relying on storage services (storage mirror itself) and database services (storage mirror-related data).

The function of Swift (object Storage Service Module) is to provide highly available distributed object storage services, which is characterized by no single point of failure for infinity and expansion.

The role of Cinder (Block Storage Service Module) is to manage all block storage devices and provide storage services for virtual machines.

The role of Neutorn (Network Services component) is to provide virtual network functions for cloud computing and to establish an independent network environment for each different tenant.

The function of Ceilometer (Monitoring Service component) is to provide unified resource usage data collection function for upper-level billing, settlement or monitoring applications.

The function of Horizon (console service) is to provide the management of all services of all nodes in the form of Web, which is usually called Dashboard.

Thank you for your reading, these are the contents of "what are the main components and functions of openstack". After the study of this article, I believe you have a deeper understanding of what the main components and functions of openstack are, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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