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Enabling Pipeline Resources to be marked as Optional
Pipeline inputs and outputs are considered required, there is no way today to mark them optional. This change introduces a new field called optional as part of the PipelineDeclaredResource similar to previous PR tektoncd#1601, by default optional is set to false and a resource is required. To mark any resource optional, set optional to true: apiVersion: tekton.dev/v1alpha1 kind: Pipeline metadata: name: pipeline-build-image spec: resources: - name: workspace type: git optional: true tasks: - name: check-workspace Closes tektoncd#1710
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Original file line number | Diff line number | Diff line change |
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apiVersion: tekton.dev/v1alpha1 | ||
kind: Condition | ||
metadata: | ||
name: check-git-pipeline-resource | ||
spec: | ||
params: | ||
- name: "path" | ||
resources: | ||
- name: git-repo | ||
type: git | ||
optional: true | ||
check: | ||
image: alpine | ||
script: 'test -f $(resources.git-repo.path)/$(params.path)' | ||
--- | ||
|
||
apiVersion: tekton.dev/v1alpha1 | ||
kind: Condition | ||
metadata: | ||
name: check-image-pipeline-resource | ||
spec: | ||
resources: | ||
- name: built-image | ||
type: image | ||
optional: true | ||
check: | ||
image: alpine | ||
script: 'test ! -z $(resources.built-image.url)' | ||
--- | ||
|
||
apiVersion: tekton.dev/v1alpha1 | ||
kind: Task | ||
metadata: | ||
name: build-an-image | ||
spec: | ||
inputs: | ||
resources: | ||
- name: git-repo | ||
type: git | ||
optional: true | ||
params: | ||
- name: DOCKERFILE | ||
description: The path to the dockerfile to build from GitHub Repo | ||
default: "Dockerfile" | ||
outputs: | ||
resources: | ||
- name: built-image | ||
type: image | ||
optional: true | ||
steps: | ||
- name: build-an-image | ||
image: "gcr.io/kaniko-project/executor:latest" | ||
command: | ||
- /kaniko/executor | ||
args: | ||
- --dockerfile=$(inputs.params.DOCKERFILE) | ||
- --destination=$(outputs.resources.built-image.url) | ||
--- | ||
|
||
apiVersion: tekton.dev/v1alpha1 | ||
kind: Pipeline | ||
metadata: | ||
name: demo-pipeline-to-build-an-image | ||
spec: | ||
resources: | ||
- name: source-repo | ||
type: git | ||
optional: true | ||
- name: web-image | ||
type: image | ||
optional: true | ||
params: | ||
- name: "path" | ||
default: "README.md" | ||
tasks: | ||
- name: build-an-image | ||
taskRef: | ||
name: build-an-image | ||
conditions: | ||
- conditionRef: "check-git-pipeline-resource" | ||
params: | ||
- name: "path" | ||
value: "$(params.path)" | ||
resources: | ||
- name: git-repo | ||
resource: source-repo | ||
- conditionRef: "check-image-pipeline-resource" | ||
resources: | ||
- name: built-image | ||
resource: web-image | ||
resources: | ||
inputs: | ||
- name: git-repo | ||
resource: source-repo | ||
outputs: | ||
- name: built-image | ||
resource: web-image | ||
|
||
--- | ||
|
||
apiVersion: tekton.dev/v1alpha1 | ||
kind: PipelineRun | ||
metadata: | ||
name: demo-pipeline-to-build-an-image-without-resources | ||
spec: | ||
pipelineRef: | ||
name: demo-pipeline-to-build-an-image | ||
serviceAccountName: 'default' | ||
--- | ||
|
||
apiVersion: tekton.dev/v1alpha1 | ||
kind: PipelineRun | ||
metadata: | ||
name: demo-pipeline-to-build-an-image-without-image-resource | ||
spec: | ||
pipelineRef: | ||
name: demo-pipeline-to-build-an-image | ||
serviceAccountName: 'default' | ||
resources: | ||
- name: source-repo | ||
resourceSpec: | ||
type: git | ||
params: | ||
- name: revision | ||
value: master | ||
- name: url | ||
value: https://github.com/tektoncd/pipeline | ||
--- |
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