What are the main components and functions of openstack?

The main components and functions of OpenStack: 1. Nova, responsible for computing resource management and virtual machine instances; 2. Neutron, providing network services; 3. Cinder, providing block storage services; 4. Glance, used for mirroring Management; 5. Swift, object storage service; 6. Keystone, identity authentication service; 7. Horizon, Web console; 8. Heat, orchestration service; 9. Ceilometer, providing metering and monitoring services; 10. Manila, shared files.

# Operating system for this tutorial: Windows 10 system, Dell G3 computer.

OpenStack is an open source cloud computing management platform that consists of multiple components, each component is responsible for different functions. The following are the main components of OpenStack and their functions:

1. Nova: Responsible for computing resource management and creation, scheduling and destruction of virtual machine instances.

2. Neutron: Provides network services, including management of virtual networks and security groups, as well as assigning IP addresses to virtual machine instances and connecting to external networks.

3. Cinder: Provides a block storage service that allows users to create and manage persistent block storage devices and attach them to virtual machine instances.

4. Glance: Used for image management, allowing users to upload, register and discover virtual machine images, and provide startup templates for virtual machine instances.

5. Swift: Object storage service for storing large-scale unstructured data with high scalability and redundancy.

6. Keystone: Identity authentication service provides management of users, roles and permissions to ensure that only authorized users can access the OpenStack environment.

7. Horizon: Web console that provides a graphical interface for users and administrators to manage and monitor OpenStack resources.

8. Heat: Orchestration service that allows users to define and automate the configuration and deployment of multiple resources, realizing infrastructure as code.

9. Ceilometer: Provides metering and monitoring services to collect and analyze usage and performance data of OpenStack resources and support billing and capacity planning.

10. Manila: Shared file system service, allows users to share file storage from virtual machine instances, and provides the creation and management of shared file systems.

These components together form a complete cloud computing platform that can provide infrastructure services such as computing, network, storage and identity authentication, allowing users to easily create and manage their own clouds environment. At the same time, OpenStack's openness and scalability also provide users with flexible deployment and customization options.

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