Set env vars correctly in workflow steps

Signed-off-by: Juraci Paixão Kröhling <juraci@kroehling.de>

.github/workflows/publish-images.yaml

@@ -54,6 +54,11 @@ jobs:
 
       - name: Build and push Operator image
         uses: docker/build-push-action@v2
+        env:
+          VERSION_PKG: github.com/open-telemetry/opentelemetry-operator/internal/version
+          VERSION: ${{ env.VERSION }}
+          VERSION_DATE: ${{ env.VERSION_DATE }}
+          OTELCOL_VERSION: ${{ env.OTELCOL_VERSION }}
         with:
           context: .
           file: ./Dockerfile
@@ -62,7 +67,7 @@ jobs:
           tags: ${{ steps.docker_meta.outputs.tags }}
           labels: ${{ steps.docker_meta.outputs.labels }}
           build-args: |
-            VERSION_PKG=github.com/open-telemetry/opentelemetry-operator/internal/version
+            VERSION_PKG=${VERSION_PKG}
             VERSION=${VERSION}
             VERSION_DATE=${VERSION_DATE}
             OTELCOL_VERSION=${OTELCOL_VERSION}

.github/workflows/remove-me.yaml

@@ -0,0 +1,71 @@
+name: "Remove me before merging"
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  publish-containers:
+    name: Publish container images
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set env vars for the job
+        run: |
+          grep -v '\#' versions.txt | grep opentelemetry-collector | awk -F= '{print "OTELCOL_VERSION="$2}' >> $GITHUB_ENV
+          echo "VERSION_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_ENV
+          echo "VERSION=$(git describe --tags | sed 's/^v//')" >> $GITHUB_ENV
+
+      - name: Docker meta
+        id: docker_meta
+        uses: crazy-max/ghaction-docker-meta@v1
+        with:
+          images: quay.io/opentelemetry/opentelemetry-operator
+          tag-semver: |
+            {{raw}}
+            {{version}}
+            {{major}}.{{minor}}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Cache Docker layers
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
+
+      - name: Login to Quay
+        uses: docker/login-action@v1 
+        with:
+          registry: quay.io
+          username: ${{ secrets.QUAY_USERNAME }}
+          password: ${{ secrets.QUAY_PASSWORD }}
+
+      - name: Build and push Operator image
+        uses: docker/build-push-action@v2
+        env:
+          VERSION_PKG: github.com/open-telemetry/opentelemetry-operator/internal/version
+          VERSION: ${{ env.VERSION }}
+          VERSION_DATE: ${{ env.VERSION_DATE }}
+          OTELCOL_VERSION: ${{ env.OTELCOL_VERSION }}
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}
+          build-args: |
+            VERSION_PKG=${VERSION_PKG}
+            VERSION=${VERSION}
+            VERSION_DATE=${VERSION_DATE}
+            OTELCOL_VERSION=${OTELCOL_VERSION}
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache