Edge

2 minute read

The edge template represents an edge in the mesh graph.

Template

The edge template represents an edge in the mesh graph

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

Example config:

apiVersion: "config.istio.io/v1alpha2"
kind: instance
metadata:
  name: default
  namespace: istio-system
spec:
  compiledTemplate: edge
  params:
    timestamp: request.time
    sourceUid: source.uid | "Unknown"
    sourceOwner: source.owner | "Unknown"
    sourceWorkloadName: source.workload.name | "Unknown"
    sourceWorkloadNamespace: source.workload.namespace | "Unknown"
    destinationUid: destination.uid | "Unknown"
    destinationOwner: destination.owner | "Unknown"
    destinationWorkloadName: destination.workload.name | "Unknown"
    destinationWorkloadNamespace: destination.workload.namespace | "Unknown"
    destinationServiceName: destination.service.name | "Unknown"
    destinationServiceNamespace: destination.service.namespace | "Unknown"
    apiProtocol: api.protocol | "Unknown"
    contextProtocol: context.protocol | "Unknown"

Field	Type	Description	Required
`timestamp`	`TimeStamp²`	Timestamp of the edge	No
`sourceWorkloadNamespace`	`string`	Namespace of the source workload	No
`sourceWorkloadName`	`string`	Name of the source workload	No
`sourceOwner`	`string`	Owner of the source workload (often k8s deployment)	No
`sourceUid`	`string`	UID of the source workload	No
`destinationWorkloadNamespace`	`string`	Namespace of the destination workload	No
`destinationWorkloadName`	`string`	Name of the destination workload	No
`destinationOwner`	`string`	Owner of the destination workload (often k8s deployment)	No
`destinationUid`	`string`	UID of the destination workload	No
`destinationServiceNamespace`	`string`	Namespace of the destination Service	No
`destinationServiceName`	`string`	Name of the destination Service	No
`contextProtocol`	`string`	Protocol used for communication (http, tcp)	No
`apiProtocol`	`string`	The protocol type of the API call (http, https, grpc)	No

Was this information useful?

Do you have any suggestions for improvement?

Thanks for your feedback!