public DownloadSnapshotStep( final String daemon, final CassandraState cassandraState, final CassandraOfferRequirementProvider provider, final BackupRestoreContext context) { super(daemon, DownloadSnapshotTask.nameForDaemon(daemon), cassandraState, provider); this.context = context; }
@Override public DownloadSnapshotTask updateId() { return new DownloadSnapshotTask( getBuilder().setTaskId(createId(getName())) .build()); }
/** * Constructs a DownloadSnapshot. * * @param driver The ExecutorDriver used to send task status. * @param task The DownloadSnapshotTask that will be executed. * @param backupStorageDriver The BackupStorageDriver that implements * downloading the snapshot. */ public DownloadSnapshot(ExecutorDriver driver, DownloadSnapshotTask task, BackupStorageDriver backupStorageDriver) { this.driver = driver; this.backupStorageDriver = backupStorageDriver; this.cassandraTask = task; this.context = task.getBackupRestoreContext(); }
@Override public DownloadSnapshotTask update(Protos.TaskState state) { return new DownloadSnapshotTask(getBuilder().setData( getData().withState(state).getBytes()).build()); }
public static DownloadSnapshotTask create( final Protos.TaskInfo template, final CassandraDaemonTask daemon, final BackupRestoreContext context) { CassandraData data = CassandraData.createSnapshotDownloadData( "", context .forNode(daemon.getName()) .withLocalLocation(daemon.getVolumePath() + "/data")); String name = nameForDaemon(daemon); Protos.TaskInfo completedTemplate = Protos.TaskInfo.newBuilder(template) .setName(name) .setTaskId(TaskUtils.toTaskId(name)) .setData(data.getBytes()) .build(); completedTemplate = org.apache.mesos.offer.TaskUtils.clearTransient(completedTemplate); return new DownloadSnapshotTask(completedTemplate); }
Map<String, DownloadSnapshotTask> previousDownloadTasks = new HashMap<String, DownloadSnapshotTask>(); previousDownloadTasks.put("hey", DownloadSnapshotTask.parse(TaskInfo.getDefaultInstance())); Map<String, RestoreSnapshotTask> previousRestoreTasks = new HashMap<String, RestoreSnapshotTask>();
public static DownloadSnapshotTask parse(final Protos.TaskInfo info){ return new DownloadSnapshotTask(info); }
public BackupRestoreContext getBackupRestoreContext() { return getData().getBackupRestoreContext(); } }
public DownloadSnapshotTask createDownloadSnapshotTask( CassandraDaemonTask daemon, BackupRestoreContext context) throws PersistenceException { Optional<Protos.TaskInfo> template = getTemplate(daemon); if (template.isPresent()) { return DownloadSnapshotTask.create(template.get(), daemon, context); } else { throw new PersistenceException("Failed to retrieve ClusterTask Template."); } }
private void sendStatus(ExecutorDriver driver, Protos.TaskState state, String message) { Protos.TaskStatus status = cassandraTask.createStatus(state, Optional.of(message)).getTaskStatus(); driver.sendStatusUpdate(status); }
@Override public DownloadSnapshotTask update(Protos.Offer offer) { return new DownloadSnapshotTask(getBuilder() .setSlaveId(offer.getSlaveId()) .setData(getData().withHostname(offer.getHostname()).getBytes()) .build()); }
return BackupUploadTask.parse(info); case SNAPSHOT_DOWNLOAD: return DownloadSnapshotTask.parse(info); case SNAPSHOT_RESTORE: return RestoreSnapshotTask.parse(info);
/** * Gets the name of a DownloadSnapshotTask for a CassandraDaemonTask. * * @param daemon The CassandraDaemonTask for which the snapshot will be * uploaded. * @return The name of the DownloadSnapshotTask for daemon. */ public static final String nameForDaemon(final CassandraDaemonTask daemon) { return nameForDaemon(daemon.getName()); }
public static BackupStorageDriver createStorageDriver(CassandraTask cassandraTask) { String externalLocation = null; switch (cassandraTask.getType()) { case BACKUP_SNAPSHOT: externalLocation = ((BackupUploadTask)cassandraTask).getBackupRestoreContext().getExternalLocation(); break; case BACKUP_SCHEMA: externalLocation = ((BackupSchemaTask)cassandraTask).getBackupRestoreContext().getExternalLocation(); break; case SCHEMA_RESTORE: externalLocation = ((RestoreSchemaTask)cassandraTask).getBackupRestoreContext().getExternalLocation(); break; case SNAPSHOT_DOWNLOAD: externalLocation = ((DownloadSnapshotTask)cassandraTask).getBackupRestoreContext().getExternalLocation(); break; } return getBackupStorageDriver(externalLocation); }
public DownloadSnapshotTask getOrCreateSnapshotDownload( CassandraDaemonTask daemon, BackupRestoreContext context) throws PersistenceException { String name = DownloadSnapshotTask.nameForDaemon(daemon); Map<String, DownloadSnapshotTask> snapshots = getDownloadSnapshotTasks(); if (snapshots.containsKey(name)) { return snapshots.get(name); } else { return createDownloadSnapshotTask(daemon, context); } }