Nightly on schedule, use nexus-base for integration tests

Signed-off-by: Aaron Chong <aaronchongth@gmail.com>

.github/workflows/nexus_integration_tests.yaml

@@ -11,23 +11,16 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        docker_image: ['ros:jazzy-ros-base']
+        docker_image: ['ghcr.io/osrf/nexus/nexus-base:jazzy-latest']
     container:
       image: ${{ matrix.docker_image }}
     timeout-minutes: 60
     steps:
-    - name: Install deps for Rust
-      run: |
-        apt update && apt install -y git curl libclang-dev
     - uses: actions/checkout@v2
     - uses: actions/cache@v3
       with:
         path: ~/.cache/ccache
         key: ccache
-    - name: vcs
-      run: |
-        vcs import . < abb.repos
-        vcs import . < rmf.repos
     - name: rosdep
       run: |
         apt update
@@ -37,8 +30,8 @@ jobs:
         rosdep update
         rosdep install --from-paths . -yir
     - name: build
-      run: /ros_entrypoint.sh colcon build --packages-up-to nexus_calibration nexus_gazebo nexus_integration_tests nexus_motion_planner --mixin release lld --cmake-args -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
+      run: . /opt/nexus_base/setup.bash colcon build --packages-up-to nexus_calibration nexus_gazebo nexus_integration_tests nexus_motion_planner --mixin release lld --cmake-args -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
     - name: Test - Unit Tests
-      run: . ./install/setup.bash && RMW_IMPLEMENTATION=rmw_cyclonedds_cpp /ros_entrypoint.sh colcon test --packages-select nexus_motion_planner --event-handlers=console_direct+
+      run: . ./install/setup.bash && RMW_IMPLEMENTATION=rmw_cyclonedds_cpp colcon test --packages-select nexus_motion_planner --event-handlers=console_direct+
     - name: Test - Integration Test
-      run: . ./install/setup.bash && cd nexus_integration_tests && RMW_IMPLEMENTATION=rmw_cyclonedds_cpp /ros_entrypoint.sh python3 -m unittest
+      run: . ./install/setup.bash && cd nexus_integration_tests && RMW_IMPLEMENTATION=rmw_cyclonedds_cpp python3 -m unittest

.github/workflows/nightly.yaml

@@ -1,11 +1,9 @@
 name: nightly
 
-# on:
-#   schedule:
-#     # 2am SGT
-#     - cron: '0 18 * * *'
-
-on: [push]
+on:
+  schedule:
+    # 2am SGT
+    - cron: '0 18 * * *'
 
 jobs:
   build-nexus-base-image: