Question
What are the validations for cluster name in Kubernetes?
- Posted on December 16, 2019
- Kubernetes
Asked by patnalapriyanka96
Please tell me the minimum, maximum length of characters for Cluster name and what special characters are allowed for cluster name?
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Hi there!
We currently use the upstream kubernetes validation logic linked below.
TL;DR - 63 chars max + “a DNS-1035 label must consist of lower case alphanumeric characters or ‘-’, start with an alphabetic character, and end with an alphanumeric character”
https://github.com/kubernetes/kubernetes/blob/7f23a743e8c23ac6489340bbb34fa6f1d392db9d/staging/src/k8s.io/apimachinery/pkg/util/validation/validation.go#L145-L162
Regards,
John Kwiatkoski Senior Developer Support Engineer - Kubernetes