/
blobservice.go
67 lines (54 loc) · 1.68 KB
/
blobservice.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
package updateblob
//go:generate go get github.com/golang/mock/mockgen
//go:generate mockgen -destination=../../util/mocks/mock_$GOPACKAGE/blobservice.go -package=mock_$GOPACKAGE -source blobservice.go
//go:generate gofmt -s -l -w ../../util/mocks/mock_$GOPACKAGE/blobservice.go
//go:generate go get golang.org/x/tools/cmd/goimports
//go:generate goimports -local=github.com/openshift/openshift-azure -e -w ../../util/mocks/mock_$GOPACKAGE/blobservice.go
import (
"bytes"
"encoding/json"
"github.com/openshift/openshift-azure/pkg/util/azureclient/storage"
)
// here follow well known container and blob names
const (
UpdateContainerName = "update"
UpdateBlobName = "update"
)
type blobService struct {
updateContainer storage.Container
}
type BlobService interface {
Read() (*UpdateBlob, error)
Write(*UpdateBlob) error
}
func NewBlobService(bsc storage.BlobStorageClient) BlobService {
return &blobService{updateContainer: bsc.GetContainerReference(UpdateContainerName)}
}
func (u *blobService) Write(blob *UpdateBlob) error {
data, err := json.Marshal(blob)
if err != nil {
return err
}
blobRef := u.updateContainer.GetBlobReference(UpdateBlobName)
return blobRef.CreateBlockBlobFromReader(bytes.NewReader(data), nil)
}
func (u *blobService) Read() (*UpdateBlob, error) {
blobRef := u.updateContainer.GetBlobReference(UpdateBlobName)
rc, err := blobRef.Get(nil)
if err != nil {
return nil, err
}
defer rc.Close()
d := json.NewDecoder(rc)
var b UpdateBlob
if err := d.Decode(&b); err != nil {
return nil, err
}
if b.ScalesetHashes == nil {
b.ScalesetHashes = ScalesetHashes{}
}
if b.HostnameHashes == nil {
b.HostnameHashes = HostnameHashes{}
}
return &b, nil
}