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
|
package cloud
import (
"code.laria.me/petrific/config"
"code.laria.me/petrific/storage"
"fmt"
"github.com/ncw/swift"
"time"
)
type SwiftCloudStorage struct {
con *swift.Connection
container string
}
type SwiftStorageConfigMandatoryError struct {
Key string
Err error
}
func (e SwiftStorageConfigMandatoryError) Error() string {
return fmt.Sprintf("Could not get mandatory key %s for swift storage: %s", e.Key, e.Err.Error())
}
func SwiftStorageCreator() storage.CreateStorageFromConfig {
return cloudStorageCreator(func(conf config.Config, name string) (CloudStorage, error) {
storage_conf := conf.Storage[name]
storage := SwiftCloudStorage{}
storage.con = new(swift.Connection)
// Mandatory options
if err := storage_conf.Get("container", &storage.container); err != nil {
return nil, SwiftStorageConfigMandatoryError{"container", err}
}
if err := storage_conf.Get("user_name", &storage.con.UserName); err != nil {
return nil, SwiftStorageConfigMandatoryError{"user_name", err}
}
if err := storage_conf.Get("api_key", &storage.con.ApiKey); err != nil {
return nil, SwiftStorageConfigMandatoryError{"api_key", err}
}
if err := storage_conf.Get("auth_url", &storage.con.AuthUrl); err != nil {
return nil, SwiftStorageConfigMandatoryError{"auth_url", err}
}
// Optional... options
storage_conf.Get("domain", &storage.con.Domain)
storage_conf.Get("domain_id", &storage.con.DomainId)
storage_conf.Get("user_id", &storage.con.UserId)
storage_conf.Get("retries", &storage.con.Retries)
storage_conf.Get("region", &storage.con.Region)
storage_conf.Get("auth_version", &storage.con.AuthVersion)
storage_conf.Get("tenant", &storage.con.Tenant)
storage_conf.Get("tenant_id", &storage.con.TenantId)
storage_conf.Get("tenant_domain", &storage.con.TenantDomain)
storage_conf.Get("tenant_domain_id", &storage.con.TenantDomainId)
storage_conf.Get("trust_id", &storage.con.TrustId)
var connect_timeout_str string
if storage_conf.Get("connect_timeout", &connect_timeout_str) == nil {
d, err := time.ParseDuration(connect_timeout_str)
if err != nil {
return nil, err
}
storage.con.ConnectTimeout = d
}
var timeout_str string
if storage_conf.Get("timeout", &timeout_str) == nil {
d, err := time.ParseDuration(timeout_str)
if err != nil {
return nil, err
}
storage.con.Timeout = d
}
if err := storage.con.Authenticate(); err != nil {
return nil, err
}
return storage, nil
})
}
func (scs SwiftCloudStorage) Get(key string) ([]byte, error) {
return scs.con.ObjectGetBytes(scs.container, key)
}
func (scs SwiftCloudStorage) Has(key string) (bool, error) {
switch _, _, err := scs.con.Object(scs.container, key); err {
case nil:
return true, nil
case swift.ObjectNotFound:
return false, nil
default:
return false, err
}
}
func (scs SwiftCloudStorage) Put(key string, content []byte) error {
err := scs.con.ObjectPutBytes(scs.container, key, content, "application/octet-stream")
return err
}
func (scs SwiftCloudStorage) Delete(key string) error {
return scs.con.ObjectDelete(scs.container, key)
}
func (scs SwiftCloudStorage) List(prefix string) ([]string, error) {
return scs.con.ObjectNamesAll(scs.container, &swift.ObjectsOpts{
Prefix: prefix,
})
}
func (scs SwiftCloudStorage) Close() error {
return nil
}
|