lambdad

# #!/bin/sh
#
# PROVIDE: lambdad
# REQUIRE: NETWORKING
# BEFORE:  LOGIN
# KEYWORD: shutdown

. /etc/rc.subr

name=lambdad
rcvar=lambdad_enable
desc="Official API for the Lambda utility mod."

load_rc_config $name

: ${lambdad_enable:=NO}
: ${lambdad_command="/usr/local/bin/lambda-api"}
: ${lambdad_directory="/usr/local/etc/lambdad"}
: ${lambdad_key="${lambdad_directory}/key.pem"}
: ${lambdad_flags="--online=true --debug=true --port=8091 --redis=localhost:6379 --key=${lambdad_key}"}
: ${lambdad_logdir="/var/log/${name}"}
: ${lambdad_logfile="${lambdad_logdir}/${name}.log"}
: ${lambdad_user:="root"}
: ${lambdad_group:="wheel"}

command="${lambdad_command}"
pidfile="/var/run/${name}/${name}.pid"

start_precmd="lambdad_precmd"
start_cmd="lambdad_start"

extra_commands="keygen"
keygen_cmd="openssl genpkey -algorithm RSA -out ${lambdad_key} -pkeyopt rsa_keygen_bits:2048"

lambdad_precmd()
{
    /usr/bin/install -d -m 755 -o "${lambdad_user}" -g "${lambdad_group}" ${lambdad_logdir}
    /usr/bin/install -d -m 700 -o "${lambdad_user}" -g "${lambdad_group}" /var/run/lambdad
    if [ -e ${lambdad_logfile} ]; then
        /bin/chmod 644 ${lambdad_logfile}
        /usr/sbin/chown "${lambdad_user}:${lambdad_group}" ${lambdad_logfile}
    else
        /usr/bin/install -m 644 -o "${lambdad_user}" -g "${lambdad_group}" /dev/null ${lambdad_logfile}
    fi

    /usr/bin/install -d -m 755 -o "${lambdad_user}" -g "${lambdad_group}" ${lambdad_directory}

    if [ -e ${lambdad_key} ]; then
        /bin/chmod 600 ${lambdad_key}
        /usr/sbin/chown "${lambdad_user}:${lambdad_group}" ${lambdad_key}
    else
        /usr/bin/install -m 600 -o "${lambdad_user}" -g "${lambdad_group}" ${lambdad_key}
    fi
}

lambdad_start() {
  /usr/bin/su -m "${lambdad_user}" -c "${lambdad_command} ${lambdad_flags} >> ${lambdad_logfile} 2>&1 &"
  sleep 1
  pid=$(pgrep -f "${lambdad_command}")
  if [ -n "$pid" ]; then
    echo $pid > ${pidfile}
    echo "pid: $pid"
    echo "Log: ${lambdad_logfile}"
  else
    echo "Error: lambdad failed to start"
    echo "Check the log: ${lambdad_logfile}"
    return 1
  fi
}

lambdad_stop() {
  if [ -f ${pidfile} ]; then
    pid=$(cat ${pidfile})
    if kill -TERM $pid; then
      echo "lambdad stopped successfully"
      rm -f ${pidfile}
    else
      echo "unable to stop lambdad"
    fi
  else
    echo "pid file not found, is lambdad running?"
  fi
}

run_rc_command "$1"