tekton - 是否可以在触发器模板中定义一个增加的数字或一些有意义的变量

Question

我正在使用 tekton 构建由 webhook（推送事件）触发的图像。我的问题是，是否可以定义一个变量来生成图像名称或标签，例如 v1.0/v1.1/v1.2，而不是 ${uid}

apiVersion: triggers.tekton.dev/v1alpha1
kind: TriggerTemplate
metadata:
  creationTimestamp: "2021-03-11T03:22:36Z"
  generation: 3
  name: trigger-template-common-pipeline-mtn2kw
  namespace: pipelines-tutorial
  resourceVersion: "228583354"
  selfLink: /apis/triggers.tekton.dev/v1alpha1/namespaces/pipelines-tutorial/triggertemplates/trigger-template-common-pipeline-mtn2kw
  uid: f08418b7-d253-4656-b27d-b136a48d0ba0
spec:
  params:
  - name: git-revision
  - name: git-repo-url
  resourcetemplates:
  - apiVersion: tekton.dev/v1beta1
    kind: PipelineRun
    metadata:
      annotations: {}
      generateName: common-pipeline-
      labels:
        tekton.dev/pipeline: common-pipeline
      namespace: pipelines-tutorial
    spec:
      params:
      - name: git-url
        value: $(tt.params.git-url)
      - name: image-name
        value: image-registry.openshift-image-registry.svc:5000/default/vote-ui:**{{v1.0}}**
      pipelineRef:
        name: common-pipeline
      resources: []
      serviceAccountName: build-bot-2
      workspaces:
      - name: shared-workspace
        persistentVolumeClaim:
          claimName: source-pvc

apiVersion: triggers.tekton.dev/v1alpha1
kind: TriggerBinding
metadata:
  creationTimestamp: "2021-03-18T06:43:07Z"
  generation: 1
  name: github-push-binding
  namespace: pipelines-tutorial
  resourceVersion: "117383551"
  selfLink: /apis/triggers.tekton.dev/v1alpha1/namespaces/pipelines-tutorial/triggerbindings/github-push-binding
  uid: a443dc79-d789-4d19-8460-d0741117cb51
spec:
  params:
  - name: git-revision
    value: $(body.head_commit.id)
  - name: git-url
    value: $(body.repository.url)