Add a basic e2e test for CI

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

.github/workflows/e2e.yml

@@ -0,0 +1,39 @@
+name: e2e
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+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
+
+      - name: checkout distribution
+        uses: actions/checkout@master
+        with:
+          path: main
+
+      - name: start distribution server
+        run: |
+          IP=`hostname -I | awk '{print $1}'`
+          echo "IP=$IP" >> $GITHUB_ENV
+          echo '{"insecure-registries" : ["'$IP':5000"]}' | sudo tee /etc/docker/daemon.json
+          sudo service docker restart
+          DISTRIBUTION_REF="local-distribution:v$(date +%Y%m%d%H%M%S)"
+          cd ./main
+          docker build -f ./Dockerfile -t "${DISTRIBUTION_REF}" .
+          docker run --rm -p 5000:5000 -p 5001:5001 -idt "${DISTRIBUTION_REF}"
+
+      - name: script
+        run: |
+          bash ./main/tests/push.sh $IP

Dockerfile

@@ -2,7 +2,7 @@ ARG GO_VERSION=1.13.8
 
 FROM golang:${GO_VERSION}-alpine3.11 AS build
 
-ENV DISTRIBUTION_DIR /go/src/github.com/docker/distribution
+ENV DISTRIBUTION_DIR /go/src/github.com/distribution/distribution
 ENV BUILDTAGS include_oss include_gcs
 
 ARG GOOS=linux
@@ -24,7 +24,7 @@ RUN set -ex \
     && apk add --no-cache ca-certificates apache2-utils
 
 COPY cmd/registry/config-dev.yml /etc/docker/registry/config.yml
-COPY --from=build /go/src/github.com/docker/distribution/bin/registry /bin/registry
+COPY --from=build /go/src/github.com/distribution/distribution/bin/registry /bin/registry
 VOLUME ["/var/lib/registry"]
 EXPOSE 5000
 ENTRYPOINT ["registry"]

tests/push.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+set +e
+
+TIMEOUT=5
+while [ $TIMEOUT -gt 0 ]; do
+    STATUS=$(curl --insecure -s -o /dev/null -w '%{http_code}' http://localhost:5001/debug/health)
+    echo $STATUS
+    if [ $STATUS -eq 200 ]; then
+		    break
+    fi
+    TIMEOUT=$(($TIMEOUT - 1))
+    sleep 5
+done
+
+if [ $TIMEOUT -eq 0 ]; then
+    echo "Distribution cannot be available within one minute."
+    exit 1
+fi
+
+set -e
+
+docker pull hello-world:latest
+docker tag hello-world:latest $1:5000/distribution/hello-world:latest
+docker push $1:5000/distribution/hello-world:latest
+docker pull $1:5000/distribution/hello-world:latest