forked from rook/rook
/
bucket.go
214 lines (169 loc) · 5.57 KB
/
bucket.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
/*
Copyright 2017 The Rook Authors. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package object
import (
"encoding/json"
"fmt"
"strings"
"time"
)
type ObjectBucketMetadata struct {
Owner string `json:"owner"`
CreatedAt time.Time `json:"createdAt"`
}
type ObjectBucketStats struct {
Size uint64 `json:"size"`
NumberOfObjects uint64 `json:"numberOfObjects"`
}
type ObjectBucket struct {
Name string `json:"name"`
ObjectBucketMetadata
ObjectBucketStats
}
type rgwBucketStats struct {
Bucket string `json:"bucket"`
Usage map[string]struct {
Size uint64 `json:"size"`
NumberOfObjects uint64 `json:"num_objects"`
}
}
type ObjectBuckets []ObjectBucket
func (slice ObjectBuckets) Len() int {
return len(slice)
}
func (slice ObjectBuckets) Less(i, j int) bool {
return slice[i].Name < slice[j].Name
}
func (slice ObjectBuckets) Swap(i, j int) {
slice[i], slice[j] = slice[j], slice[i]
}
func bucketStatsFromRGW(stats rgwBucketStats) ObjectBucketStats {
s := ObjectBucketStats{Size: 0, NumberOfObjects: 0}
for _, usage := range stats.Usage {
s.Size = s.Size + usage.Size
s.NumberOfObjects = s.NumberOfObjects + usage.NumberOfObjects
}
return s
}
func GetBucketStats(c *Context, bucketName string) (*ObjectBucketStats, bool, error) {
result, err := runAdminCommand(c,
"bucket",
"stats",
"--bucket", bucketName)
if err != nil {
if strings.Contains(err.Error(), "No such file or directory") {
return nil, true, fmt.Errorf("not found")
} else {
return nil, false, fmt.Errorf("failed to get bucket stats: %+v", err)
}
}
var rgwStats rgwBucketStats
if err := json.Unmarshal([]byte(result), &rgwStats); err != nil {
return nil, false, fmt.Errorf("failed to read buckets stats. %+v, result=%s", err, result)
}
stat := bucketStatsFromRGW(rgwStats)
return &stat, false, nil
}
func GetBucketsStats(c *Context) (map[string]ObjectBucketStats, error) {
result, err := runAdminCommand(c,
"bucket",
"stats")
if err != nil {
return nil, fmt.Errorf("failed to list buckets: %+v", err)
}
var rgwStats []rgwBucketStats
if err := json.Unmarshal([]byte(result), &rgwStats); err != nil {
return nil, fmt.Errorf("failed to read buckets stats. %+v, result=%s", err, result)
}
stats := map[string]ObjectBucketStats{}
for _, rgwStat := range rgwStats {
stats[rgwStat.Bucket] = bucketStatsFromRGW(rgwStat)
}
return stats, nil
}
func getBucketMetadata(c *Context, bucket string) (*ObjectBucketMetadata, bool, error) {
result, err := runAdminCommand(c,
"metadata",
"get",
"bucket:"+bucket)
if err != nil {
return nil, false, fmt.Errorf("failed to list buckets: %+v", err)
}
if strings.Contains(result, "can't get key") {
return nil, true, fmt.Errorf("not found")
}
var s struct {
Data struct {
Owner string `json:"owner"`
CreationTime string `json:"creation_time"`
} `json:"data"`
}
if err := json.Unmarshal([]byte(result), &s); err != nil {
return nil, false, fmt.Errorf("failed to read buckets list. %+v, result=%s", err, result)
}
createdAt, err := time.Parse("2006-01-02 15:04:05.999999999Z", s.Data.CreationTime)
if err != nil {
return nil, false, fmt.Errorf("Error parsing date (%s): %+v", s.Data.CreationTime, err)
}
return &ObjectBucketMetadata{Owner: s.Data.Owner, CreatedAt: createdAt}, false, nil
}
func ListBuckets(c *Context) ([]ObjectBucket, error) {
logger.Infof("Listing buckets")
stats, err := GetBucketsStats(c)
if err != nil {
return nil, fmt.Errorf("Failed to get bucket stats: %+v", err)
}
buckets := []ObjectBucket{}
for bucket, stat := range stats {
metadata, _, err := getBucketMetadata(c, bucket)
if err != nil {
return nil, err
}
buckets = append(buckets, ObjectBucket{Name: bucket, ObjectBucketMetadata: ObjectBucketMetadata{Owner: metadata.Owner, CreatedAt: metadata.CreatedAt}, ObjectBucketStats: stat})
}
return buckets, nil
}
func GetBucket(c *Context, bucket string) (*ObjectBucket, int, error) {
stat, notFound, err := GetBucketStats(c, bucket)
if notFound {
return nil, RGWErrorNotFound, fmt.Errorf("Bucket not found")
}
if err != nil {
return nil, RGWErrorUnknown, fmt.Errorf("Failed to get bucket stats: %+v", err)
}
metadata, notFound, err := getBucketMetadata(c, bucket)
if notFound {
return nil, RGWErrorNotFound, fmt.Errorf("Bucket not found")
}
if err != nil {
return nil, RGWErrorUnknown, err
}
return &ObjectBucket{Name: bucket, ObjectBucketMetadata: ObjectBucketMetadata{Owner: metadata.Owner, CreatedAt: metadata.CreatedAt}, ObjectBucketStats: *stat}, RGWErrorNone, nil
}
func DeleteBucket(c *Context, bucketName string, purge bool) (int, error) {
options := []string{"bucket", "rm", "--bucket", bucketName}
if purge {
options = append(options, "--purge-objects")
}
result, err := runAdminCommand(c, options...)
if err != nil {
return RGWErrorUnknown, fmt.Errorf("failed to delete bucket: %+v", err)
}
if result == "" {
return RGWErrorNone, nil
}
if strings.Contains(result, "could not get bucket info for bucket=") {
return RGWErrorNotFound, fmt.Errorf("Bucket not found")
}
return RGWErrorUnknown, fmt.Errorf("failed to delete bucket: %+v", err)
}