spiffworkflow-backend/bin/wait_for_server_to_be_up

#!/usr/bin/env bash

function error_handler() {
  >&2 echo "Exited with BAD EXIT CODE '${2}' in ${0} script at line: ${1}."
  exit "$2"
}
trap 'error_handler ${LINENO} $?' ERR
set -o errtrace -o errexit -o nounset -o pipefail

max_attempts="${1:-}"
if [[ -z "$max_attempts" ]]; then
  max_attempts=100
fi

echo "waiting for backend to come up..."
attempts=0
while [[ "$(curl -s -o /dev/null -w '%{http_code}' http://localhost:7000/v1.0/status)" != "200" ]]; do
  if [[ "$attempts" -gt "$max_attempts" ]]; then
    >&2 echo "ERROR: Server not up after $max_attempts attempts. There is probably a problem"
    exit 1
  fi
  attempts=$(( attempts + 1 ))
  sleep 1
done