daemon

#!/bin/bash

#-----------
# Configurations
#-----------

DAEMON_NAME=${DAEMON_NAME-ping}
DAEMON_LOG=${DAEMON_LOG-/var/log/$DAEMON_NAME.log}
DAEMON_PID=${DAEMON_PID-/var/log/$DAEMON_NAME.pid}
DAEMON_COMMAND=${DAEMON_COMMAND-ping localhost}
DAEMON_SCRIPT=${DAEMON_SCRIPT-/usr/local/$DAEMON_NAME.d}
DAEMON_STOP_SCRIPT=${DAEMON_STOP_SCRIPT-${DAEMON_SCRIPT}_stop}

MONIT_CONF_DIR=${MONIT_CONF_DIR-/etc/monit/conf.d}
MONIT_TIMEOUT=${MONIT_TIMEOUT-30}
MONIT_USER=${MONIT_USER-root}
MONIT_HOME=${MONIT_HOME-/root}

#-----------
# Install Script
#-----------

if [[ ! -e $MONIT_CONF_DIR ]]; then
  mkdir -p $MONIT_CONF_DIR
  chown $MONIT_USER $MONIT_CONF_DIR
  echo "  -- Created $MONIT_CONF_DIR"
fi

printf "%b" "#!/bin/bash
logfile=$DAEMON_LOG
nohup $DAEMON_COMMAND > \$logfile &
pid=\$!
echo \"Detached $DAEMON_NAME on pid \$pid (watch it by running the following script)\"
echo \"tail -f \$logfile\"
echo \$pid > $DAEMON_PID
" > $DAEMON_SCRIPT

printf "%b" "
#!/bin/
kill -9 \`cat $DAEMON_PID\`
echo "" > $DAEMON_PID
" > $DAEMON_STOP_SCRIPT

chmod 755 $DAEMON_SCRIPT
chmod 755 $DAEMON_STOP_SCRIPT

echo "  -- Created $DAEMON_SCRIPT"
echo "  -- Created $DAEMON_STOP_SCRIPT"

MONIT_NAME=$DAEMON_NAME \
  MONIT_PID=$DAEMON_PID \
  MONIT_START=$DAEMON_SCRIPT \
  MONIT_STOP=$DAEMON_STOP_SCRIPT \
  MONIT_TIMEOUT=$MONIT_TIMEOUT \
  MONIT_CFG_FILE=$MONIT_CONF_DIR/$DAEMON_NAME.cnf \
  MONIT_USER=$MONIT_USER \
  MONIT_HOME=$MONIT_HOME \
  ./bits/monit/checkpid