Google Cloud has released a new open-source tool that visualises cluster logs chronologically to simplify troubleshooting in Kubernetes environments.
Kubernetes History Inspector (KHI) is intended to help administrators to debug problems inside Kubernetes clusters and identify root causes. According to Kakeru Ishii and Takeie Torinomi in the launch blog post for KHI, putting together a comprehensive view of a problem in a Kubernetes deployment can be very complex and daunting, especially in consideration of the huge amount of log data that even a moderately-sized Kubernetes cluster can generate:
The real challenge lies in analysing [logs] effectively. Many issues you’ll encounter in a Kubernetes deployment are not revealed by a single, obvious error message….