days to Istio 1.5

List Entry

The listentry template is designed to let you perform list check operations with the list adapter.

Example config:

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

Template

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.policy.v1beta1.Value, then the expression’s inferred type must match the datatype of the field.

FieldTypeDescriptionRequired
valueValue

Specifies the entry to verify in the list. This value can either be a string or an IP address.

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