This topic introduces the cloud controller manager (CCM) and provides usage notes and release notes for the component.
Introduction
The CCM allows you to integrate Kubernetes with Alibaba Cloud services, such as Classic Load Balancer (CLB) and Virtual Private Cloud (VPC). CLB is formerly known as Server Load Balancer (SLB). The CCM provides the following features:
Manage CLB instances
If you set
Type=LoadBalancer
for a Service, the CCM automatically creates a CLB instance for the Service, and configures listeners and backend server groups. When the endpoint of an Elastic Compute Service (ECS) instance in a vServer group for a Service is changed or the cluster nodes are changed, the CCM automatically updates the vServer groups of the CLB instance.Enable cross-node communication
If Flannel is used as the network plug-in of a Kubernetes cluster, the CCM can enable network connections between containers and nodes. This allows you to implement cross-node communication. The CCM adds the pod CIDR block to the route table of the VPC where the cluster is deployed. This enables cross-node communication. This feature is ready for use after the CCM is installed.
Usage notes
The CCM automatically creates CLB instances for Services, and configures listeners and backend server groups. For more information, see Considerations for configuring a LoadBalancer type Service.
The CCM allows you to add annotations in Service configurations to customize load balancing. For more information, see Add annotations to the YAML file of a Service to configure CLB instances.
If your cluster fails to pass a precheck before you update the CCM, refer to How Can I Troubleshoot a Check Failure That Occurs Before I Update the CCM?to fix the issue.
Release notes
June 2023
Version | Image address | Release date | Description | Impact |
v2.7.0 | registry-cn-hangzhou.ack.aliyuncs.com/acs/cloud-controller-manager-amd64:v2.7.0 | 2023-06-21 |
| No impact on workloads |
March 2023
Version | Image address | Release date | Description | Impact |
v2.6.0 | registry-cn-hangzhou.ack.aliyuncs.com/acs/cloud-controller-manager-amd64:v2.6.0 | 2023-03-02 |
| No impact on workloads |
October 2022, March 2023, and August 2023
Version | Image address | Release date | Description | Impact |
v2.5.1 | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v2.5.1 | 2022-10-12 |
| No impact on workloads |
v2.4.4 | registry-cn-hangzhou.ack.aliyuncs.com/acs/cloud-controller-manager-amd64:v2.4.4 | 2023-08-07 | Improvements:
| No impact on workloads |
v2.4.3 | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v2.4.3 | 2023-03-02 | The issue that ready nodes are occasionally recognized as NotReady is fixed. | No impact on workloads |
v2.4.2 | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v2.4.2 | 2022-10-12 | Improvements:
| No impact on workloads |
June 2022
Version | Image address | Release date | Description | Impact |
v2.4.0 | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v2.4.0 | 2022-06-20 |
| No impact on workloads |
March 2022
Version | Image address | Release date | Description | Impact |
v2.3.0 | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v2.3.0 | 2022-03-21 |
| No impact on workloads |
November 2021
Version | Image address | Release date | Description | Impact |
v2.1.0 | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v2.1.0 | 2021-11-22 |
| No impact on workloads |
September 2021
Version | Image address | Release date | Description | Impact |
v2.0.1 | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v2.0.1 | 2021-09-02 |
| No impact on workloads |
April 2021
Version | Image address | Release date | Description | Impact |
v1.9.3.380-gd6d0962-aliyun | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v1.9.3.380-gd6d0962-aliyun | 2021-04-20 |
| No impact on workloads |
March 2021
Version | Image address | Release date | Description | Impact |
v1.9.3.378-g42eac35-aliyun | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v1.9.3.378-g42eac35-aliyun | 2021-03-08 | New features:
Improvements:
Fixed issues:
| No impact on workloads |
December 2020
Version | Image address | Release date | Description | Impact |
v1.9.3.339-g9830b58-aliyun | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v1.9.3.339-g9830b58-aliyun | 2020-12-18 |
| No impact on workloads |
September 2020
Version | Image address | Release date | Description | Impact |
v1.9.3.316-g8daf1a9-aliyun | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v1.9.3.316-g8daf1a9-aliyun | 2020-09-29 |
| No impact on workloads |
August 2020
Version | Image address | Release date | Description | Impact |
v1.9.3.313-g748f81e-aliyun | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v1.9.3.313-g748f81e-aliyun | 2020-08-10 |
| No impact on workloads |
June 2020
Version | Image address | Release date | Description | Impact |
v1.9.3.276-g372aa98-aliyun | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64: v1.9.3.276-g372aa98-aliyun | 2020-06-11 |
| No impact on workloads |
March 2020
Version | Image address | Release date | Description | Impact |
v1.9.3.239-g40d97e1-aliyun | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64: v1.9.3.239-g40d97e1-aliyun | 2020-03-05 |
| No impact on workloads |
December 2019
Version | Image address | Release date | Description | Impact |
v1.9.3.220-g24b1885-aliyun | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64: v1.9.3.220-g24b1885-aliyun | 2019-12-31 |
| No impact on workloads |
November 2019
Version | Image address | Release date | Description | Impact |
v1.9.3.193-g6cddde4-aliyun | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v1.9.3.193-g6cddde4-aliyun | 2019-11-19 |
| No impact on workloads |
September 2019
Version | Image address | Release date | Description | Impact |
v1.9.3.164-g2105d2e-aliyun | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v1.9.3-164-g2105d2e-aliyun | 2019-09-11 |
| No impact on workloads |
April 2019
Version | Image address | Release date | Description | Impact |
v1.9.3.105-gfd4e547-aliyun | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v1.9.3.105-gfd4e547-aliyun | 2019-04-15 |
| No impact on workloads |
March 2019
Version | Image address | Release date | Description | Impact |
v1.9.3.81-gca19cd4-aliyun | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v1.9.3.81-gca19cd4-aliyun | 2019-03-20 |
| No impact on workloads |
December 2018
Version | Image address | Release date | Description | Impact |
v1.9.3.59-ge3bc999-aliyun | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v1.9.3.59-ge3bc999-aliyun | 2018-12-26 |
| No impact on workloads |
August 2018
Version | Image address | Release date | Description | Impact |
v1.9.3.10-gfb99107-aliyun | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v1.9.3.10-gfb99107-aliyun | 2018-08-15 |
| No impact on workloads |
June 2018
Version | Image address | Release date | Description | Impact |
v1.9.3 | registry.cn-hangzhou.aliyuncs.com/acs/cloud-controller-manager-amd64:v1.9.3 | 2018-06-25 |
| No impact on workloads |