NamespaceMultipleInjectionLabels

This message occurs when a namespace specifies Istio sidecar auto-injection using both the new and legacy style labels.

Example

You will receive this message:

Warning [IST0123] (Namespace busted) The namespace has both new and legacy injection labels. Run 'kubectl label namespace busted istio.io/rev-' or 'kubectl label namespace busted istio-injection-'

when your cluster has following namespace:

apiVersion: v1
kind: Namespace
metadata:
  name: busted
  labels:
    istio-injection: enabled
    istio.io/rev: canary

In this example, the namespace busted uses both old-style and new-style injection labels.

How to resolve

• Remove the istio-injection label
• Remove the istio.io/rev label