Golang IJobs.PollTillFinished方法代碼示例

func CmdBackup(databaseName string, skipPoll bool, id IDb, is services.IServices, ij jobs.IJobs) error {
	service, err := is.RetrieveByLabel(databaseName)
	if err != nil {
		return err
	}
	if service == nil {
		return fmt.Errorf("Could not find a service with the label \"%s\". You can list services with the \"catalyze services\" command.", databaseName)
	}
	job, err := id.Backup(service)
	if err != nil {
		return err
	}
	logrus.Printf("Backup started (job ID = %s)", job.ID)
	if !skipPoll {
		// all because logrus treats print, println, and printf the same
		logrus.StandardLogger().Out.Write([]byte("Polling until backup finishes."))
		status, err := ij.PollTillFinished(job.ID, service.ID)
		if err != nil {
			return err
		}
		job.Status = status
		logrus.Printf("\nEnded in status '%s'", job.Status)
		err = id.DumpLogs("backup", job, service)
		if err != nil {
			return err
		}
		if job.Status != "finished" {
			return fmt.Errorf("Job finished with invalid status %s", job.Status)
		}
	}
	logrus.Printf("You can download your backup with the \"catalyze db download %s %s ./output_file_path\" command", databaseName, job.ID)
	return nil
}

func CmdImport(databaseName, filePath, mongoCollection, mongoDatabase string, id IDb, is services.IServices, ij jobs.IJobs) error {
	if _, err := os.Stat(filePath); os.IsNotExist(err) {
		return fmt.Errorf("A file does not exist at path '%s'", filePath)
	}
	service, err := is.RetrieveByLabel(databaseName)
	if err != nil {
		return err
	}
	if service == nil {
		return fmt.Errorf("Could not find a service with the label \"%s\". You can list services with the \"catalyze services\" command.", databaseName)
	}
	logrus.Printf("Backing up \"%s\" before performing the import", databaseName)
	job, err := id.Backup(service)
	if err != nil {
		return err
	}
	logrus.Printf("Backup started (job ID = %s)", job.ID)

	// all because logrus treats print, println, and printf the same
	logrus.StandardLogger().Out.Write([]byte("Polling until backup finishes."))
	status, err := ij.PollTillFinished(job.ID, service.ID)
	if err != nil {
		return err
	}
	job.Status = status
	logrus.Printf("\nEnded in status '%s'", job.Status)
	err = id.DumpLogs("backup", job, service)
	if err != nil {
		return err
	}
	if job.Status != "finished" {
		return fmt.Errorf("Job finished with invalid status %s", job.Status)
	}
	logrus.Printf("Importing '%s' into %s (ID = %s)", filePath, databaseName, service.ID)
	job, err = id.Import(filePath, mongoCollection, mongoDatabase, service)
	if err != nil {
		return err
	}
	// all because logrus treats print, println, and printf the same
	logrus.StandardLogger().Out.Write([]byte(fmt.Sprintf("Processing import (job ID = %s).", job.ID)))

	status, err = ij.PollTillFinished(job.ID, service.ID)
	if err != nil {
		return err
	}
	job.Status = status
	logrus.Printf("\nImport complete (end status = '%s')", job.Status)
	err = id.DumpLogs("restore", job, service)
	if err != nil {
		return err
	}
	if job.Status != "finished" {
		return fmt.Errorf("Finished with invalid status %s", job.Status)
	}
	return nil
}

func CmdExport(databaseName, filePath string, force bool, id IDb, ip prompts.IPrompts, is services.IServices, ij jobs.IJobs) error {
	err := ip.PHI()
	if err != nil {
		return err
	}
	if !force {
		if _, err := os.Stat(filePath); err == nil {
			return fmt.Errorf("File already exists at path '%s'. Specify `--force` to overwrite", filePath)
		}
	} else {
		os.Remove(filePath)
	}
	service, err := is.RetrieveByLabel(databaseName)
	if err != nil {
		return err
	}
	if service == nil {
		return fmt.Errorf("Could not find a service with the label \"%s\". You can list services with the \"catalyze services\" command.", databaseName)
	}
	job, err := id.Backup(service)
	if err != nil {
		return err
	}
	logrus.Printf("Export started (job ID = %s)", job.ID)
	// all because logrus treats print, println, and printf the same
	logrus.StandardLogger().Out.Write([]byte("Polling until export finishes."))
	status, err := ij.PollTillFinished(job.ID, service.ID)
	if err != nil {
		return err
	}
	job.Status = status
	logrus.Printf("\nEnded in status '%s'", job.Status)
	if job.Status != "finished" {
		id.DumpLogs("backup", job, service)
		return fmt.Errorf("Job finished with invalid status %s", job.Status)
	}

	err = id.Export(filePath, job, service)
	if err != nil {
		return err
	}
	err = id.DumpLogs("backup", job, service)
	if err != nil {
		return err
	}
	logrus.Printf("%s exported successfully to %s", service.Name, filePath)
	return nil
}