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86 lines
2.2 KiB
86 lines
2.2 KiB
/*
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* Minimalist Object Storage, (C) 2015 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package donut
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import (
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"errors"
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"fmt"
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"path"
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"strings"
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"github.com/minio-io/minio/pkg/iodine"
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)
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func (d donut) makeDonutBucket(bucketName string) error {
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err := d.getDonutBuckets()
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if err != nil {
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return iodine.New(err, nil)
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}
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if _, ok := d.buckets[bucketName]; ok {
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return iodine.New(errors.New("bucket exists"), nil)
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}
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bucket, err := NewBucket(bucketName, d.name, d.nodes)
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if err != nil {
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return iodine.New(err, nil)
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}
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nodeNumber := 0
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d.buckets[bucketName] = bucket
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for _, node := range d.nodes {
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disks, err := node.ListDisks()
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if err != nil {
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return iodine.New(err, nil)
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}
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for _, disk := range disks {
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bucketSlice := fmt.Sprintf("%s$%d$%d", bucketName, nodeNumber, disk.GetOrder())
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err := disk.MakeDir(path.Join(d.name, bucketSlice))
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if err != nil {
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return iodine.New(err, nil)
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}
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}
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nodeNumber = nodeNumber + 1
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}
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return nil
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}
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func (d donut) getDonutBuckets() error {
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for _, node := range d.nodes {
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disks, err := node.ListDisks()
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if err != nil {
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return iodine.New(err, nil)
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}
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for _, disk := range disks {
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dirs, err := disk.ListDir(d.name)
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if err != nil {
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return iodine.New(err, nil)
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}
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for _, dir := range dirs {
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splitDir := strings.Split(dir.Name(), "$")
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if len(splitDir) < 3 {
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return iodine.New(errors.New("corrupted backend"), nil)
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}
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bucketName := splitDir[0]
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// we dont need this NewBucket once we cache from makeDonutBucket()
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bucket, err := NewBucket(bucketName, d.name, d.nodes)
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if err != nil {
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return iodine.New(err, nil)
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}
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d.buckets[bucketName] = bucket
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}
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}
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}
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return nil
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}
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