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Introduction

Updated on 2025-01-16 GMT+08:00

Scenario

You can use APIG to selectively expose your workloads and microservices in Cloud Container Engine (CCE).

Expose CCE workloads using either of the following methods. Method 1 is recommended.

  • Method 1

    Create a load balance channel on APIG to access pod IP addresses in CCE workloads, dynamically monitoring the changes of these addresses. When opening APIs of a containerized application, specify a load balance channel to access the backend service.

  • Method 2

    Import a CCE workload to APIG. APIs and a load balance channel are generated and associated with each other to dynamically monitor pod IP address changes. Expose workloads and microservices in CCE using these APIs.

Solution Architecture

Figure 1 Accessing CCE workloads (composed of pods) through APIG

Advantages

  • You do not need to set elastic IP addresses, reducing network bandwidth costs.

    Workload addresses in CCE can be accessed through a load balance channel that is manually created or generated by importing a workload.

  • Workload pod addresses in CCE can be dynamically monitored and automatically updated by a load balance channel that is manually created or generated by importing a workload.
  • CCE workloads can be released by tag for testing and version switching.
  • Multiple authentication modes keep access secure.
  • Request throttling policies ensure secure access to your backend service.

    Instead of direct access to containerized applications, APIG provides request throttling to ensure that your backend service runs stably.

  • Pod load balancing improves resource utilization and system reliability.

Restrictions

  • Only CCE Turbo clusters and CCE clusters using the VPC network model are supported.
  • The CCE cluster and your gateway must be in the same VPC or connected.
  • If you select a CCE cluster that uses the VPC network model, add the container CIDR block of the cluster in the Routes area of the gateway details page.

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