source ./lib.sh

function wait_for_url () {
	assert_arg "$1" && url="$1" || error_and_exit "url not provided, exiting"
	assert_arg "$2" && iterations="$2" || iterations=3
	assert_arg "$3" && duration="$3" || duration=1

	debug "called wait_for_url(url=$url, duration=$duration, iterations=$iterations)"

	waiting=0
	cmd="curl --output /dev/null --silent --insecure --head --fail --max-time 2 $url"

	debug_inline "waiting for $url "
	until ($cmd); do
		if [ $waiting -eq $iterations ]; then
			let after=$duration*iterations
			debug_inline "failed, $url can not be reached after $after seconds\n"
			return 1
		fi
		debug_inline .
		let waiting=waiting+1
		sleep $duration
	done
	debug_inline " succeeded\n"
}