Check a sysv init system to gather information about if tedge-agent can be run or not

check-sysvinit-status.sh

#!/bin/sh

echo "------------  System info ------------"
uname -a
echo "sysvinit version: $(/sbin/init --version)"

echo
echo "----------- Checking setup -----------"
command -V service || echo "FAIL: service does not exist"
command -V start-stop-daemon || echo "WARN: start-stop-daemon does not exist, this is used by the service definitions currently"

# Checking install folders
echo "Checking /etc/init.d folder"
ls -l /etc/init.d/

echo "Checking /etc/rc.d/ folder"
if [ -d /etc/rc.d ]; then
    ls -l /etc/rc.d
else
    echo "INFO: /etc/rc.d does not exist" 
fi

# Check if sysvinit is actually running
service --status-all || echo "FAIL: service --status-all does not work"

# Enable tedge-agent (so it will startup after boot, but it does not startup yet)
update-rc.d tedge-agent defaults || echo "FAIL: Could not set defaults of service"
update-rc.d tedge-agent enable 2>/dev/null ||:

# Start service
service tedge-agent start

# Check if the process is running (it should return a pid)
pgrep -fa tedge-agent || pgrep -f tedge-agent

# Check logs
tail -f /var/log/tedge-agent.log

# Stop service
service tedge-agent stop

# Check if the process is running (it should NOT return a pid)
pgrep -fa tedge-agent || pgrep -f tedge-agent