api_ctl.j2

#!/bin/bash

set -e

PATH="/home/pgxn_api/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
export PERL5LIB="{{ app.deploy_dir }}/lib/perl5"

cd {{ app.deploy_dir }}

start() {
    if check_running; then
        echo "pgxn_api_server is already running"
        return
    fi
    bin/pgxn_api_server \
        -s Starman \
        -E prod \
        --workers {{ app.opt.workers }} \
        --preload-app \
        --max-requests {{ app.opt.maxreq }} \
        --listen {{ app.opt.listen }} \
        --daemonize \
        --pid {{ app.opt.pid }} \
        --doc-root {{ app.deploy_dir }}/www \
        --error-log {{ app.opt.log }} \
        --errors-to {{ app.opt.errors_to }} \
        --errors-from {{ app.opt.errors_from }}
}

stop() {
    if check_running; then
        kill $(getpid)
        return
    fi
    echo "pgxn_api_server is not running"
}

restart() {
    if check_running; then
        kill $(getpid)
        sleep 2
    else
        echo "pgxn_api_server is not running; skipping stop"
    fi
    start
}

getpid() {
    echo $(cat {{ app.opt.pid }})
}

check_running() {
    [ -s {{ app.opt.pid }} ] && kill -0 $(getpid) >/dev/null 2>&1
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart)
        restart
        ;;
    *)
        echo $"Usage: $0 {start|stop|restart}"
        exit 1
esac
exit $?