kubernetes validation ai_generated true

Invalid value: must be no more than 63 characters

ID: kubernetes/invalid-value-metadata-name

Also available as: JSON · Markdown
96%Fix Rate
97%Confidence
50Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
8 active — — —

Root Cause

Kubernetes resource names must follow DNS label rules — max 63 characters, lowercase, alphanumeric and hyphens.

generic

Workarounds

  1. 95% success Shorten the name to 63 characters or fewer while keeping it identifiable 
    Use abbreviations: 'prod' not 'production', 'svc' not 'service'
  2. 88% success Use generateName for automatic suffix: metadata.generateName: 'my-prefix-' 
    Kubernetes adds a random suffix; ensures uniqueness within 63 chars

    Sources: https://kubernetes.io/docs/reference/using-api/api-concepts/#generated-values

Dead Ends

Common approaches that don't work:

  1. Truncating the name arbitrarily 50% fail

    May cause duplicate names or lose identifying information

  2. Using underscores instead of hyphens 85% fail

    Underscores are not valid in Kubernetes resource names

Error Chain

Frequently confused with: