Retrieve an Amazon S3 Glacier vault inventory using an Amazon SDK

    public static String createJob(GlacierClient glacier, String vaultName, String accountId) {

        try {

            JobParameters job = JobParameters.builder()
                .type("inventory-retrieval")
                .build();

            InitiateJobRequest initJob = InitiateJobRequest.builder()
                .jobParameters(job)
                .accountId(accountId)
                .vaultName(vaultName)
                .build();

            InitiateJobResponse response = glacier.initiateJob(initJob);
            System.out.println("The job ID is: " +response.jobId()) ;
            System.out.println("The relative URI path of the job is: " +response.location()) ;
            return response.jobId();

        } catch(GlacierException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);

        }
        return "";
    }

    //  Poll S3 Glacier = Polling a Job may take 4-6 hours according to the Documentation.
    public static void checkJob(GlacierClient glacier, String jobId, String name, String account, String path) {

       try{
           boolean finished = false;
           String jobStatus;
           int yy=0;

           while (!finished) {
               DescribeJobRequest jobRequest = DescribeJobRequest.builder()
                   .jobId(jobId)
                   .accountId(account)
                   .vaultName(name)
                   .build();

                DescribeJobResponse response = glacier.describeJob(jobRequest);
                jobStatus = response.statusCodeAsString();

               if (jobStatus.compareTo("Succeeded") == 0)
                   finished = true;
               else {
                   System.out.println(yy + " status is: " + jobStatus);
                   Thread.sleep(1000);
               }
               yy++;
           }

           System.out.println("Job has Succeeded");
           GetJobOutputRequest jobOutputRequest = GetJobOutputRequest.builder()
               .jobId(jobId)
               .vaultName(name)
               .accountId(account)
               .build();

           ResponseBytes<GetJobOutputResponse> objectBytes = glacier.getJobOutputAsBytes(jobOutputRequest);
           // Write the data to a local file.
           byte[] data = objectBytes.asByteArray();
           File myFile = new File(path);
           OutputStream os = new FileOutputStream(myFile);
           os.write(data);
           System.out.println("Successfully obtained bytes from a Glacier vault");
           os.close();

       } catch(GlacierException | InterruptedException | IOException e) {
           System.out.println(e.getMessage());
           System.exit(1);

       }
    }

class GlacierWrapper:
    """Encapsulates Amazon S3 Glacier API operations."""

    def __init__(self, glacier_resource):
        """
        :param glacier_resource: A Boto3 Amazon S3 Glacier resource.
        """
        self.glacier_resource = glacier_resource


    @staticmethod
    def initiate_inventory_retrieval(vault):
        """
        Initiates an inventory retrieval job. The inventory describes the contents
        of the vault. Standard retrievals typically complete within 3—5 hours.
        When the job completes, you can get the inventory by calling get_output().

        :param vault: The vault to inventory.
        :return: The inventory retrieval job.
        """
        try:
            job = vault.initiate_inventory_retrieval()
            logger.info("Started %s job with ID %s.", job.action, job.id)
        except ClientError:
            logger.exception("Couldn't start job on vault %s.", vault.name)
            raise
        else:
            return job