Pylint and sanity_check

.github/workflows/pylint.yml

@@ -0,0 +1,42 @@
+name: ci
+
+on: [push, pull_request]
+jobs:
+  buildx:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          repository: tensorflow/tensorflow
+      - name: Fetch PR
+        run: | 
+          git fetch origin pull/48371/head:48371
+          git checkout 48371
+
+      -
+        uses: docker/setup-buildx-action@v1
+        id: buildx
+        with:
+          install: true
+      - 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: Build Image
+        run: |
+          docker buildx build \
+          --cache-from "type=local,src=/tmp/.buildx-cache" \
+          --cache-to "type=local,dest=/tmp/.buildx-cache" \
+          --output "type=docker" \
+          --platform linux/amd64 \
+          tensorflow/tools/dockerfiles/ -f tensorflow/tools/dockerfiles/dockerfiles/devel-cpu.Dockerfile \
+          --tag tensorflow:devel
+      - name: CI Santity
+        run: |
+          docker run -v ${PWD}:/tensorflow -w /tensorflow tensorflow:devel \
+          tensorflow/tools/ci_build/ci_sanity.sh