Build openpilot with webcam support in CI (#2070)

old-commit-hash: f4e18e0b74

.github/workflows/test.yaml

@@ -10,16 +10,13 @@ env:
   CI_RUN: docker run -e GITHUB_ACTION -e GITHUB_REF -e GITHUB_HEAD_REF -e GITHUB_SHA -e GITHUB_REPOSITORY -e GITHUB_RUN_ID --rm tmppilotci /bin/bash -c
   UNIT_TEST: coverage run --append -m unittest discover
   BUILD: |
-      # build the openpilot docker base image
       docker pull $(grep -ioP '(?<=^from)\s+\S+' Dockerfile.openpilot_base) || true
       docker pull docker.io/commaai/openpilot-base:latest || true
       docker build --cache-from docker.io/commaai/openpilot-base:latest -t commaai/openpilot-base:latest -f Dockerfile.openpilot_base .
 
-      # build the final CI image
       docker pull docker.io/commaai/openpilotci:latest || true
       docker build --cache-from docker.io/commaai/openpilotci:latest -t tmppilot -f Dockerfile.openpilotci .
 
-
 jobs:
   build_release:
     name: build release
@@ -78,6 +75,27 @@ jobs:
     - name: Brew cleanup
       run: brew cleanup || true # keeps our cache small
 
+  build_webcam:
+    name: build webcam
+    runs-on: ubuntu-16.04
+    timeout-minutes: 90
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        submodules: true
+    - name: Build Docker image
+      run: |
+        docker pull docker.io/commaai/openpilotwebcamci:latest
+        docker build --cache-from docker.io/commaai/openpilotwebcamci:latest -t tmppilotwebcam -f tools/webcam/Dockerfile .
+    - name: Build openpilot
+      run: docker run --shm-size 1G --rm tmppilotwebcam /bin/sh -c "cd /tmp/openpilot && USE_WEBCAM=1 scons -j$(nproc)"
+    - name: Push to dockerhub
+      if: github.ref == 'refs/heads/master' && github.event_name != 'pull_request' && github.repository == 'commaai/openpilot'
+      run: |
+          docker login -u wmelching -p ${{ secrets.COMMA_DOCKERHUB_TOKEN}}
+          docker tag tmppilotwebcam docker.io/commaai/openpilotwebcamci:latest
+          docker push docker.io/commaai/openpilotwebcamci:latest
+  
   docker_push:
     name: docker push
     runs-on: ubuntu-16.04