List Entry

The listentry template is used to verify the presence/absence of a string within a list.

When writing the configuration, the value for the fields associated with this template can either be a literal or an expression. Please note that if the datatype of a field is not istio.mixer.v1.template.Value, then the expression’s inferred type must match the datatype of the field.

Example config:

apiVersion: "config.istio.io/v1alpha2"
kind: listentry
metadata:
  name: appversion
  namespace: istio-system
spec:
  value: source.labels["version"]