Add cron worker with journalctl cleaner

core/Dockerfile

@@ -79,6 +79,8 @@ COPY services /home/pi/services
 RUN /home/pi/services/install-services.sh
 COPY start-blueos-core /usr/bin/start-blueos-core
 COPY run-service.sh /usr/bin/run-service
+RUN rm -f /etc/cron.d/*
+COPY cron /etc/cron.d
 
 # Copy binaries and necessary folders from downloadBinaries to this stage
 COPY --from=downloadBinaries \

core/cron/waste-collector

@@ -0,0 +1 @@
+0 */4 * * * root journalctl-vacuum # Run every 4 hours

core/services/install-services.sh

@@ -6,13 +6,19 @@ set -e
 BUILD_PACKAGES=(
     g++
 )
+EXTERNAL_PROGRAMS=(
+    cron
+)
+
+apt update
 
 # Install build packages if not on armv7, which we have all pre-built wheels for
 if ! { [ "$TARGETARCH" == "arm" ] && [ "$TARGETVARIANT" == "v7" ]; }; then
-    apt update
     apt install -y --no-install-recommends ${BUILD_PACKAGES[*]}
 fi
 
+apt install -y --no-install-recommends ${EXTERNAL_PROGRAMS[*]}
+
 # Wifi service:
 ## Bind path for wpa
 mkdir -p /var/run/wpa_supplicant/

core/start-blueos-core

@@ -93,6 +93,9 @@ mkdir -p /usr/blueos/userdata/settings
 find /usr/blueos -type d -exec chmod a+rw {} \;
 find /usr/blueos -type f -exec chmod a+rw {} \;
 
+cron || echo "Failed to start cron service!"
+journalctl-vacuum || echo "Failed to run journalctl-vacuum service!"
+
 # These services have priority because they do the fundamental for the vehicle to work,
 # and by initializing them first we reduce the time users have to wait to control the vehicle.
 # From tests with QGC and Pi3, the reboot time was ~1min42s when not using this strategy,

core/tools/scripts/bootstrap.sh

@@ -5,3 +5,4 @@ set -e
 
 SCRIPTS_PATH="$( cd -- "$( dirname -- "${BASH_SOURCE[0]:-$0}"; )" &> /dev/null && pwd 2> /dev/null; )";
 cp $SCRIPTS_PATH/red-pill /usr/bin/
+cp $SCRIPTS_PATH/journalctl-vacuum /usr/bin/

core/tools/scripts/journalctl-vacuum

@@ -0,0 +1,8 @@
+#!/usr/local/bin/python
+from commonwealth.utils.commands import run_command
+from loguru import logger
+
+if __name__ == "__main__":
+    ret = run_command("sudo journalctl --vacuum-size=100M", False)
+    logger.add("/tmp/journal-vacuum.log")
+    logger.debug(f"Command output: {ret}")