build: disable internet access during the build step (#241)

Signed-off-by: Esteve Fernandez <esteve.fernandez@tier4.jp>
autowarefoundation · Sep 20, 2023 · 9ca3518 · 9ca3518
1 parent 781cd4e
commit 9ca3518
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/colcon-build/action.yaml b/colcon-build/action.yaml
@@ -71,10 +71,17 @@ runs:
     - name: Build
       run: |
         . /opt/ros/${{ inputs.rosdistro }}/setup.sh
+        # Cannot use unshare inside a Docker container, so we just disable
+        # DNS lookups instead.
+        cat /etc/nsswitch.conf
+        sed -e 's#hosts:\(.*\)dns\(.*\)#hosts:\1\2#g' -i.bak /etc/nsswitch.conf
+        cat /etc/nsswitch.conf
         colcon build --event-handlers console_cohesion+ \
           --packages-above-and-dependencies ${{ inputs.target-packages }} \
           --cmake-args -DCMAKE_BUILD_TYPE=${{ inputs.cmake-build-type }} \
           --mixin coverage-gcc coverage-pytest compile-commands
+        mv /etc/nsswitch.conf.bak /etc/nsswitch.conf
+        cat /etc/nsswitch.conf
       shell: bash
 
     - name: Cache build artifacts