cyberark/conjur-api-ruby

#!/usr/bin/env bash

SERVER_HEALTH_CHECK_URL="http://localhost:8080/"
SERVER_IS_READY="N0"

function print_help() {
  cat << EOF
Wait for keycloak server to start, the script should run from inside keycloak container
Example:
./wait_for_server <service-name>
EOF
}

function input_validation() {
  local args_number="$#"
  if [[ ${args_number} -ne 0 ]] ; then
    echo "Error: invalid arguments"
    print_help
    exit 1
  fi
}

function wait_for_keycloak() {
  for i in {1..40}; do
    sleep=5
    set_server_readiness

    if [[ "${SERVER_IS_READY}" == "YES" ]] ; then
      echo "Keycloak server is up and ready"
      return 0
    fi

    echo "Keycloak not ready yet sleep number $i for $sleep seconds"
    sleep "$sleep"
  done

  echo "Error with keycloak server start or it is too slow"
  exit 1
}

function set_server_readiness()
{
  curl --silent --output /dev/null "${SERVER_HEALTH_CHECK_URL}"
  local ret_code=$?
  echo "Return code of accessing ${SERVER_HEALTH_CHECK_URL} is: ${ret_code}"
  if [[ "${ret_code}" -eq 0 ]] ; then
    SERVER_IS_READY="YES"
  fi
}

function main() {
  input_validation "$@"
  wait_for_keycloak
}

main "$@"