Invalid metadata label

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Metadata

Id: 1123031a-f921-4c5b-bd86-ef354ecfd37a

Cloud Provider: Kubernetes

Platform: Kubernetes

Severity: Low

Category: Best Practices

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Description

Metadata labels must be valid and conform to the pattern ^(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])?$. This requires label values to start and end with an alphanumeric character and may include dashes, underscores, or dots in the middle; labels that do not match this pattern are reported as IncorrectValue with the resource and label details.

Compliant Code Examples

apiVersion: v1
kind: Pod
metadata:
  name: goproxy
  labels:
    app: goproxy
spec:
  containers:
  - name: goproxy
    image: k8s.gcr.io/goproxy:0.1
    ports:
    - containerPort: 8080
    readinessProbe:
      tcpSocket:
        port: 8080
      initialDelaySeconds: 5
      periodSeconds: 10
    livenessProbe:
      tcpSocket:
        port: 8080
      initialDelaySeconds: 15
      periodSeconds: 20

Non-Compliant Code Examples

apiVersion: v1
kind: Pod
metadata:
  name: goproxy
  labels:
    app: g**dy.l+bel.
spec:
  containers:
  - name: goproxy
    image: k8s.gcr.io/goproxy:0.1
    ports:
    - containerPort: 8080
    livenessProbe:
      tcpSocket:
        port: 8080
      initialDelaySeconds: 15
      periodSeconds: 20