#!/bin/bash -e
# (C) 2011-2024 Gandi.
# Redistribution or use outside of Gandi's platform is prohibited.

echo "cmdline: $*"

export PAAS='lamp0'
export PATH="/usr/sbin:/usr/bin:/sbin/:/bin"

source /lib/start-lib.sh
parse_arguments "$@"
parse_json /srv/data/.paas

umask 002

if [ ! -L "$HOME" ]; then
    ln -s "${CUSTOMER_DIR}/home" "$HOME"
fi

go_console

case "$WWW_ENGINE" in
    php   ) DAEMONS="$DB_ENGINE php-fpm          apache2" ;;
    nodejs) DAEMONS="$DB_ENGINE php-admin nodejs apache2" ;;
    python) DAEMONS="$DB_ENGINE php-admin python apache2" ;;
    ruby  ) DAEMONS="$DB_ENGINE php-admin ruby   apache2" ;;
    *)
        echo "$WWW_ENGINE: invalid engine"
        exit 1
        ;;
esac

cd "$HOME"

# PATH /srv/admin present
source /srv/admin/scripts/kill-lib.sh

# job control enabled
set -o monitor
trap on_exit EXIT
trap 'on_err $? ${BASH_SOURCE[0]} ${LINENO}' ERR
trap on_sigterm TERM
trap on_sigusr1 USR1
# Allow to receive SIGUSR2 from dumb-init. If the trap is not defined bash will
# exit.
trap 'echo SIGUSR2 received' USR2

sysctl -p

echo "Calling /srv/admin/scripts/init.sh"
source /srv/admin/scripts/init.sh
echo "Services started"

# Makes sure all services are running
check_daemons

do_as "${SYS_USER}" touch /srv/data/.bootstrapped

if [[ "${SHELL_START}" ]]; then
	/srv/admin/scripts/init.d/shell start
fi

# load sleep builtin in order to catch further signals
enable -f /usr/lib/bash/sleep sleep

unset LD_PRELOAD
while true; do
    LAST=$SECONDS
    on_cron
    # This is a non interruptible sleep to let the anacron user process finish
    # in order to avoid receiving a SIGUSR2 from dumb-init that would interrupt
    # the sleep builtin. This would lead to an infinite recursion.
    /bin/sleep 2
    SLEEP=$(( LAST + 3600 - SECONDS ))
    if [ $SLEEP -ge 0 ]; then
        # This is interrupted when we receive SIGUSR2 from dumb-init
        # dumb-init is patched to send SIGUSR2 when some of its child terminates
        #
        # Note: we don't use SIGCHLD anymore because the sleep builtin of bash
        # 5.x no longer handle it correctly.
        sleep $SLEEP
        # This is run:
        # - every hour
        # - when builtin sleep is interrupted by SIGUSR2
        check_daemons
    fi
done