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Traffic spec examples

The following example shows a traffic spec where 100% of traffic is routed to the latest revision of the service. Under status, you can see the name of the latest revision that latestRevision resolves to:

apiVersion: serving.knative.dev/v1
kind: Service
metadata:
  name: example-service
  namespace: default
spec:
...
  traffic:
  - latestRevision: true
    percent: 100
status:
  ...
  traffic:
  - percent: 100
    revisionName: example-service

The following example shows a traffic spec where 100% of traffic is routed to the revision tagged as current, and the name of that revision is specified as example-service. The revision tagged as latest is kept available, even though no traffic is routed to it:

apiVersion: serving.knative.dev/v1
kind: Service
metadata:
  name: example-service
  namespace: default
spec:
...
  traffic:
  - tag: current
    revisionName: example-service
    percent: 100
  - tag: latest
    latestRevision: true
    percent: 0

The following example shows how the list of revisions in the traffic spec can be extended so that traffic is split between multiple revisions. This example sends 50% of traffic to the revision tagged as current, and 50% of traffic to the revision tagged as candidate. The revision tagged as latest is kept available, even though no traffic is routed to it:

apiVersion: serving.knative.dev/v1
kind: Service
metadata:
  name: example-service
  namespace: default
spec:
...
  traffic:
  - tag: current
    revisionName: example-service-1
    percent: 50
  - tag: candidate
    revisionName: example-service-2
    percent: 50
  - tag: latest
    latestRevision: true
    percent: 0