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package build
import (
"io"
"os"
"cloud.google.com/go/storage"
"golang.org/x/net/context"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
)
type GCPOption struct {
CredentialPath string
}
// GCPFileUpload upload file to GCP storage
func GCPFileUpload(path, bucket, name string, opt GCPOption) error {
ctx := context.Background()
client, err := storage.NewClient(ctx, option.WithCredentialsFile(opt.CredentialPath))
if err != nil {
return err
}
wc := client.Bucket(bucket).Object(name).NewWriter(ctx)
in, err := os.Open(path)
if err != nil {
return err
}
defer in.Close()
if _, err = io.Copy(wc, in); err != nil {
return err
}
if err := wc.Close(); err != nil {
return err
}
return nil
}
// GCPFileList list files from GCP storage
func GCPFileList(bucket string, opt GCPOption) ([]*storage.ObjectAttrs, error) {
ctx := context.Background()
client, err := storage.NewClient(ctx, option.WithCredentialsFile(opt.CredentialPath))
if err != nil {
return nil, err
}
var list []*storage.ObjectAttrs
it := client.Bucket(bucket).Objects(ctx, nil)
for {
attrs, err := it.Next()
if err == iterator.Done {
break
}
if err != nil {
return nil, err
}
list = append(list, attrs)
}
return list, nil
}
// GCPFileDelete delete files from GCP storage
func GCPFileDelete(bucket string, objects []*storage.ObjectAttrs, opt GCPOption) error {
ctx := context.Background()
client, err := storage.NewClient(ctx, option.WithCredentialsFile(opt.CredentialPath))
if err != nil {
return err
}
for _, obj := range objects {
if err := client.Bucket(bucket).Object(obj.Name).Delete(ctx); err != nil {
return err
}
}
return nil
}
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