add oci conformance test gitaction

Signed-off-by: Wang Yan <wangyan@vmware.com>

.github/workflows/conformance.yml

@@ -0,0 +1,40 @@
+name: conformance
+
+on:
+  pull_request:
+  push:
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - name: set up docker
+        uses: docker-practice/actions-setup-docker@0.0.1
+        with:
+          docker_version: 18.09
+          docker_channel: stable
+
+      - uses: actions/checkout@v2
+        with:
+          path: src/github.com/distribution/distribution
+
+      - name: start distribution server
+        working-directory: ./src/github.com/distribution/distribution
+        run: |
+          IP=`hostname -I | awk '{print $1}'`
+          echo "IP=$IP" >> $GITHUB_ENV
+          echo "OCI_ROOT_URL=http://$IP:5000" >> $GITHUB_ENV
+          DISTRIBUTION_REF="local-distribution:v$(date +%Y%m%d%H%M%S)"
+          docker build -f ./Dockerfile -t "${DISTRIBUTION_REF}" .
+          docker run --rm -p 5000:5000 -idt "${DISTRIBUTION_REF}"
+
+      - name: Run OCI Distribution Spec conformance tests
+        uses: opencontainers/distribution-spec@main
+        env:
+          OCI_ROOT_URL: ${{ env.OCI_ROOT_URL }}
+          OCI_NAMESPACE: oci-conformance/distribution-test
+          OCI_TEST_PULL: 1
+          OCI_TEST_PUSH: 1
+          OCI_TEST_CONTENT_DISCOVERY: 1
+          OCI_TEST_CONTENT_MANAGEMENT: 1
+          OCI_HIDE_SKIPPED_WORKFLOWS: 1

README.md

@@ -18,6 +18,7 @@ Project, and VMware Harbor Registry.
 [![License: Apache-2.0](https://img.shields.io/badge/License-Apache--2.0-blue.svg)](LICENSE)
 [![codecov](https://codecov.io/gh/distribution/distribution/branch/main/graph/badge.svg)](https://codecov.io/gh/distribution/distribution)
 [![FOSSA Status](https://app.fossa.com/api/projects/custom%2B162%2Fgithub.com%2Fdistribution%2Fdistribution.svg?type=shield)](https://app.fossa.com/projects/custom%2B162%2Fgithub.com%2Fdistribution%2Fdistribution?ref=badge_shield)
+[![Conformance_Status](https://github.com/distribution/distribution/workflows/CONFORMANCE/badge.svg?branch=main&event=push)](https://github.com/distribution/distribution/actions?query=workflow%3Aconformance)
 
 This repository contains the following components: