check-preboot

#!/bin/bash

source "$(dirname $0)/../dokku_common"
source "$(dirname $0)/../nginx-vhosts/vars"

verify_app_name "$1"
hostnames_for_app "$1"

cat

if config_get DOKKU_CHECKS_WAIT >/dev/null || 
    config_get DOKKU_CHECKS_TIMEOUT >/dev/null || 
    config_get DOKKU_CHECKS_RETRY >/dev/null
then
    CONTAINERID="$2"
    PORT="$3"
    HOSTNAME="${4:-localhost}"

    # Wait this many seconds (default 5) for server before retries.
    DOKKU_CHECKS_WAIT="$(config_get DOKKU_CHECKS_WAIT || true)"
    WAIT="${DOKKU_CHECKS_WAIT:-10}"

    # Wait this many seconds (default 30) for each response.
    DOKKU_CHECKS_TIMEOUT="$(config_get DOKKU_CHECKS_TIMEOUT || true)"
    TIMEOUT="${DOKKU_CHECKS_TIMEOUT:-20}"

    # Retry this many times (default 3) for each response.
    DOKKU_CHECKS_RETRY="$(config_get DOKKU_CHECKS_RETRY || true)"
    RETRY="${DOKKU_CHECKS_RETRY:-3}"

    # TODO: add support for CHECKS file
    verbose "Testing $hostname using http://$HOSTNAME:$PORT/"
    if curl -s -o /dev/null -q --compressed --fail -H "Host: $hostname" --retry "$RETRY" --retry-delay "$WAIT" --location --max-time "$TIMEOUT" "http://$HOSTNAME:$PORT/"; then
        info "Server responded in timely manner"
    else
        info "Server didn't respond in timely manner"
        exit 1
    fi
fi

exit 0