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Try to recover the system if available size in critical #2325

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merged 2 commits into from
Jan 22, 2024
Merged

Try to recover the system if available size in critical #2325

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98b5e89
core: start-blueos-core: Detect critical disk space and try to recover
patrickelectric Jan 20, 2024
5513a47
core: services: commander: main: Use global BLUEOS_LOG_FOLDER_PATH ov…
patrickelectric Jan 20, 2024
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2 changes: 1 addition & 1 deletion core/services/commander/main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@
from loguru import logger

SERVICE_NAME = "commander"
LOG_FOLDER_PATH = "/var/logs/blueos"
LOG_FOLDER_PATH = os.environ.get("BLUEOS_LOG_FOLDER_PATH", "/var/logs/blueos")

limit_ram_usage()

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18 changes: 17 additions & 1 deletion core/start-blueos-core
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Expand Up @@ -15,6 +15,22 @@ MAV_COMPONENT_ID_ONBOARD_COMPUTER4=194
# Enable Rust backtrace for all programs
RUST_BACKTRACE=1

# Set BlueOS log folder
BLUEOS_LOG_FOLDER_PATH="/var/logs/blueos"

# The system may start with full disk, in this case resulting in an unstable behavior.
# As an attempt to recover the system, lets delete the log files before current boot
AVAILABLE_SPACE_MB=$(($(stat -f / --format="%a*%S/1024**2")))
CRITICAL_SPACE_LIMIT_MB=100
echo "Available disk space: ${AVAILABLE_SPACE_MB}MB"
(( AVAILABLE_SPACE_MB < CRITICAL_SPACE_LIMIT_MB )) && (
LOG_FOLDER_SIZE=$(($(du -sm ${BLUEOS_LOG_FOLDER_PATH} | awk '{print $1}')))
echo "Not enough free space for the system to run, limit is: ${CRITICAL_SPACE_LIMIT_MB}MB"
echo "Going to delete the logs folder as an attempt to recover: ${LOG_FOLDER_SIZE}MB"
rm -rf "$BLUEOS_LOG_FOLDER_PATH/*"
echo "Done!"
)

# Update docker binds, if we need to restart, exit!
blueos_startup_update

Expand Down Expand Up @@ -112,7 +128,7 @@ function create_service {
fi

# Set all necessary environment variables for the new tmux session
for NAME in $(compgen -v | grep MAV_); do
for NAME in $(compgen -v | grep -e MAV_ -e BLUEOS_); do
VALUE=${!NAME}
tmux setenv -t $SESSION_NAME -g $NAME $VALUE
done
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