stop.sh

#!/bin/bash
#
# NIST-developed software is provided by NIST as a public service. You may use,
# copy, and distribute copies of the software in any medium, provided that you
# keep intact this entire notice. You may improve, modify, and create derivative
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APTVARS="NEEDRESTART_MODE=l NEEDRESTART_SUSPEND=1 DEBIAN_FRONTEND=noninteractive"
if ! command -v realpath &>/dev/null; then
    echo "Package \"coreutils\" not found, installing..."
    sudo env $APTVARS apt-get install -y coreutils
fi

SCRIPT_DIR=$(dirname "$(realpath "$0")")
cd "$SCRIPT_DIR"

# Upon exit, restore the terminal to a sane state
trap 'trap - EXIT SIGINT SIGTERM; stty sane || true; exit' EXIT SIGINT SIGTERM

# Check if the components are already stopped
if ! $(./is_running.sh | grep -q ": RUNNING"); then
    ./is_running.sh
    exit 0
fi

./additional_scripts/stop_xapps.sh

./additional_scripts/stop_grafana_and_python_server.sh

# Send a graceful shutdown signal to the FlexRIC process
sudo pkill -f "[n]earRT-RIC" >/dev/null 2>&1

# Wait for the process to terminate gracefully
COUNT=0
MAX_COUNT=10
sleep 1
while [ $COUNT -lt $MAX_COUNT ]; do
    IS_RUNNING=$(./is_running.sh)
    if echo "$IS_RUNNING" | grep -q "FlexRIC: NOT_RUNNING"; then
        echo "The FlexRIC has stopped gracefully."
        ./is_running.sh
        exit 0
    fi
    COUNT=$((COUNT + 1))
    echo "$IS_RUNNING [$((MAX_COUNT - COUNT + 1))]"
    sleep 2
done

# If the process is still running after 20 seconds, send a forceful kill signal
echo "The FlexRIC did not stop in time, sending forceful kill signal..."
sudo pkill -9 -f "[n]earRT-RIC" >/dev/null 2>&1

sleep 2
./is_running.sh