mmastoras/netcat to check if service up

## netcat to check if service up
#!/bin/bash

echo "waiting for elasticsearch"
for i in {1..60}; do
  nc_output=$(nc -zv localhost 9200 2>&1 >/dev/null)
  [[ $nc_output == *"open"* ]] && break
  sleep 1
  echo -n "."
done

if [[ $nc_output == *"open"* ]]; then
  echo 'elasticsearch up'
else
  echo 'elasticseach not up and giving up'
fi
	#!/bin/bash

	echo "waiting for elasticsearch"
	for i in {1..60}; do
	nc_output=$(nc -zv localhost 9200 2>&1 >/dev/null)
	[[ $nc_output == "open" ]] && break
	sleep 1
	echo -n "."
	done

	if [[ $nc_output == "open" ]]; then
	echo 'elasticsearch up'
	else
	echo 'elasticseach not up and giving up'
	fi