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FusionCloud 6.3.0 Solution Description 05

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Implementation Principles

Implementation Principles

Architecture

Figure 19-3 Logical architecture of AS
Table 19-1 Component details

Type

Name

Description

Console layer

LVS

Provides level-1 load balancing.

Nginx

Provides level-2 load balancing.

ECS UI (AS)

ECS_UI (AS) is a console that manages resources based on AS.

Service/API layer

HAProxy

Provides ELB for AS.

AS

AS is a service which can be regarded as the server of the ECS UI (AS) and can invoke FusionSphere OpenStack components. Requests are forwarded to AS through the ECS UI (AS). After processing the requests, AS sends the result to the ECS UI (AS).

Common components

API Gateway

Third-party applications invoke AS APIs through API Gateway.

TaskCenter

Displays the task status.

Resource pool

Glance

Provides the image management service.

Nova

Manages the life cycle of computing instances in the FusionSphere OpenStack system, for example, creating instances in batches, and scheduling or stopping instances on demand.

Cinder

Provides persistent block storage for running instances. Its pluggable drives facilitate block storage creation and management.

Neutron

Provides APIs for network connectivity and addressing.

Management domain

IAM

Provides Identity and Access Management (IAM) service.

Service OM

Used to manage FusionSphere OpenStack and resource configurations.

Service Flow

Figure 19-4 Service flow diagram

The tasks in all steps are as follows:

  1. The VDC administrator or operator logs in to the ManageOne operation plane.
  2. The VDC administrator or operator performs the IAM authentication on the ManageOne operation plane.
  3. The VDC administrator or operator sets scaling management configuration on AS UI.
  4. AS binds or unbinds to ELB.
  5. Operations related to host groups and ECS specifications are performed on the Service OM.
  6. AS queries the information of Virtual Private Cloud (VPC), subnet, and security group from the VPC module.
  7. AS queries the information of the key pair, volume, image, and network in the FusionSphere OpenStack system.
  8. AS invokes the Combined API to manage VMs.
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Updated: 2019-04-23

Document ID: EDOC1100026685

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