#!/usr/bin/bash

# Reusable function, which waits for a given host to respond to SSH
function _instanceWaitSSH() {
  local HOST="$1"

  for LOOP_COUNTER in {0..30}; do
      if ssh-keyscan "$HOST" > /dev/null 2>&1; then
          echo "SSH is up!"
          ssh-keyscan "$HOST" | sudo tee -a /root/.ssh/known_hosts
          break
      fi
      echo "Retrying in 5 seconds... $LOOP_COUNTER"
      sleep 5
  done
}

function _instanceCheck() {
  echo "✔️ Instance checking"
  local _ssh="$1"

  # Check if postgres is installed
  $_ssh rpm -q postgresql dummy

  # Verify subscribe status. Loop check since the system may not be registered such early(RHEL only)
  if [[ "$ID" == "rhel" ]]; then
    set +eu
    for LOOP_COUNTER in {1..10}; do
        subscribe_org_id=$($_ssh sudo subscription-manager identity | grep 'org ID')
        if [[ "$subscribe_org_id" == "org ID: $API_TEST_SUBSCRIPTION_ORG_ID" ]]; then
            echo "System is subscribed."
            break
        else
            echo "System is not subscribed. Retrying in 30 seconds...($LOOP_COUNTER/10)"
            sleep 30
        fi
    done
    set -eu
    [[ "$subscribe_org_id" == "org ID: $API_TEST_SUBSCRIPTION_ORG_ID" ]]

    # Unregister subscription
    $_ssh sudo subscription-manager unregister
  else
    echo "Not RHEL OS. Skip subscription check."
  fi
}