Esempio n. 1
0
// getObjectReaders -
func (b bucket) getObjectReaders(objectName, objectMeta string) (map[int]io.ReadCloser, *probe.Error) {
	readers := make(map[int]io.ReadCloser)
	var disks map[int]disk.Disk
	var err *probe.Error
	nodeSlice := 0
	for _, node := range b.nodes {
		disks, err = node.ListDisks()
		if err != nil {
			return nil, err.Trace()
		}
		for order, disk := range disks {
			var objectSlice io.ReadCloser
			bucketSlice := fmt.Sprintf("%s$%d$%d", b.name, nodeSlice, order)
			objectPath := filepath.Join(b.donutName, bucketSlice, objectName, objectMeta)
			objectSlice, err = disk.Open(objectPath)
			if err == nil {
				readers[order] = objectSlice
			}
		}
		nodeSlice = nodeSlice + 1
	}
	if err != nil {
		return nil, err.Trace()
	}
	return readers, nil
}
Esempio n. 2
0
// getBucketMetadataReaders - readers are returned in map rather than slice
func (donut API) getBucketMetadataReaders() (map[int]io.ReadCloser, *probe.Error) {
	readers := make(map[int]io.ReadCloser)
	disks := make(map[int]disk.Disk)
	var err *probe.Error
	for _, node := range donut.nodes {
		nDisks := make(map[int]disk.Disk)
		nDisks, err = node.ListDisks()
		if err != nil {
			return nil, err.Trace()
		}
		for k, v := range nDisks {
			disks[k] = v
		}
	}
	var bucketMetaDataReader io.ReadCloser
	for order, disk := range disks {
		bucketMetaDataReader, err = disk.Open(filepath.Join(donut.config.DonutName, bucketMetadataConfig))
		if err != nil {
			continue
		}
		readers[order] = bucketMetaDataReader
	}
	if err != nil {
		return nil, err.Trace()
	}
	return readers, nil
}
Esempio n. 3
0
// getBucketMetadataReaders -
func (b bucket) getBucketMetadataReaders() (map[int]io.ReadCloser, *probe.Error) {
	readers := make(map[int]io.ReadCloser)
	var disks map[int]disk.Disk
	var err *probe.Error
	for _, node := range b.nodes {
		disks, err = node.ListDisks()
		if err != nil {
			return nil, err.Trace()
		}
	}
	var bucketMetaDataReader io.ReadCloser
	for order, disk := range disks {
		bucketMetaDataReader, err = disk.Open(filepath.Join(b.donutName, bucketMetadataConfig))
		if err != nil {
			continue
		}
		readers[order] = bucketMetaDataReader
	}
	if err != nil {
		return nil, err.Trace()
	}
	return readers, nil
}