#!/bin/bash

##################################################
# Mount dir                                      #
# - /var/log/php7                                #
##################################################

set -euo pipefail
export LANG=en_US.UTF-8
trap Quit EXIT

PIDS=
GOT_SIGTERM=

function Print {
    local file=/dev/null
    [ '-f' = "$1" ] && file=$2 && shift && shift
    date +"[%F %T] $*" | tee -a $file
}

function Quit {
    Print killing php ...
    while :; do
        pkill -f php-fpm7 && Print killing php-fpm7 ... || break
        sleep 2
    done
    Print Container stopped.
    test -n "$GOT_SIGTERM"
}

function StartProc {
    Print Start php ...
    php-fpm7 -F -y /etc/php7/php-fpm.conf &
    PIDS="$PIDS $!"
    Print PHP started.
}

function Main {
    local pid=
    StartProc
    trap "GOT_SIGTERM=1; Print Got SIGTERM ..." SIGTERM
    while [ -z "$GOT_SIGTERM" ] && sleep 2; do
        for pid in $PIDS; do
            [ ! -e /proc/$pid ] && Print Unexpected error! && exit
        done
    done
}

# Start here
Main