JAVA J2EE 4 U

 - type: javascript

  name: resolve_replica_hostnames

  script: |

    const ips = REPLICA_IP_LIST.stdout.trim().split(/\s+/);

    let hostnameList = [];

    let pending = ips.length;

    if (pending === 0) {

      fail("❌ No replica IPs found.");

    }

    for (const ip of ips) {

      const cmd = `nslookup ${ip} | grep "name =" | sed 's/.*name = //g' | sed -r 's/\\.$//'`;

      Amelia.host.runCommand(cmd, function(result) {

        if (result.code === 0 && result.stdout.trim()) {

          hostnameList.push(result.stdout.trim());

        } else {

          hostnameList.push(`⚠️ lookup_failed_for_${ip}`);

        }

        pending--;

        if (pending === 0) {

          const joined = hostnameList.join(" ");

          proceed({

            message: `🧭 Replica hostnames resolved:\n${joined}`,

            REPLICA_LIST: joined

          });

        }

      });

    }