working taskrun

working_taskrun.yml

```---
apiVersion: tekton.dev/v1alpha1
kind: Task
metadata:
  name: ic-buildah1
spec:
  inputs:
    params:
    - name: BUILDER_IMAGE
      description: The location of the buildah builder image.
      default: quay.io/buildah/stable:v1.11.0
    - name: DOCKERFILE
      description: Path to the Dockerfile to build.
      default: ./Dockerfile.ubi7
    - name: TLSVERIFY
      description: Verify the TLS on the registry endpoint (for push/pull to a non-TLS registry)
      default: "false"

    resources:
    - name: source
      type: git

  outputs:
    resources:
    - name: build-image
      type: image

  steps:
  - name: ls
    image: busybox
    workingDir: /workspace/source
    command: ["ls"]
    volumeMounts:
    - name: varlibcontainers
      mountPath: /var/lib/containers
    securityContext:
      privileged: true
  - name: build
    image: $(inputs.params.BUILDER_IMAGE)
    workingDir: /workspace/source
    command: ["buildah", "bud", '--tls-verify=$(inputs.params.TLSVERIFY)', '--layers', '-f', '$(inputs.params.DOCKERFILE)', '-t', '$(outputs.resources.image.url)', '.']
    volumeMounts:
    - name: varlibcontainers
      mountPath: /var/lib/containers
    securityContext:
      privileged: true

  - name: push
    image: $(inputs.params.BUILDER_IMAGE)
    workingDir: /workspace/source
    command: ['buildah', 'push', '--tls-verify=$(inputs.params.TLSVERIFY)', '$(outputs.resources.image.url)', 'docker://$(outputs.resources.image.url)']
    volumeMounts:
    - name: varlibcontainers
      mountPath: /var/lib/containers
    securityContext:
      privileged: true

  volumes:
  - name: varlibcontainers
    emptyDir: {}

---
apiVersion: tekton.dev/v1alpha1
kind: PipelineResource
metadata:
  name: ic-repo1
spec:
  type: git
  params:
    - name: url
      value: https://github.com/sub-mod/manylinux-images.git
---
apiVersion: tekton.dev/v1alpha1
kind: PipelineResource
metadata:
  name: ic-build-image1
spec:
  type: image
  params:
    - name: url
      value: docker-registry.default.svc:5000/mlperf/build-image:latest
---
apiVersion: tekton.dev/v1alpha1
kind: TaskRun
metadata:
  name: ic-buildah-run1
  namespace: mlperf
spec:
  taskRef:
    name: ic-buildah1
  serviceAccount: mlperf
  inputs:
    resources:
      - name: source
        resourceRef:
          name: ic-repo1
  outputs:
    resources:
      - name: build-image
        resourceRef:
          name: ic-build-image1

---
```