Poseidon is a plug-in provided by Container Service for Kubernetes (ACK) to support Kubernetes network policies in ACK clusters. This topic introduces Poseidon and describes the usages notes and releases notes for Poseidon.
Introduction
Poseidon is a plug-in that ACK provides to support Kubernetes network policies in ACK clusters.
Usage notes
For more information about how to use network policies in ACK Serverless clusters, see Use network policies.
Limits
You can use NetworkPolicy only in ACK Serverless clusters and on elastic container instances in ACK clusters.
You can use ACK NetworkPolicy only on Elastic Compute Service (ECS) instances in ACK clusters. You must select Terway as the network plug-in and enable the NetworkPolicy feature.
Release notes
July 2024
Version number | Release date | Description | Impact |
v0.5.2 | 2024-07-29 | The compatibility issue of ACK Serverless clusters is fixed. | No impact on workloads. |
v0.5.1 | 2024-07-09 | The issue that the namespace selector may not be working is fixed. | No impact on workloads. |
v0.5.0 | 2024-07-01 | ACK NetworkPolicy is supported | No impact on workloads. |
September 2023
Version number | Release date | Description | Impact |
v0.3.0 | 2023-09-08 | Named ports are supported by network policies. | No impact on workloads. |
July 2023
Version | Release date | Description | Impact |
v0.1.0 | 2023-07-06 | Network policies are supported in ACK Serverless clusters. | No impact on workloads. |