forked from juicedata/juicefs
/
eos.go
95 lines (83 loc) · 2.38 KB
/
eos.go
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//go:build !nos3
// +build !nos3
/*
* JuiceFS, Copyright 2018 leonatone, Inc.
*
* 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 (
"fmt"
"net/url"
"os"
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3"
)
type eos struct {
s3client
}
func (s *eos) String() string {
return fmt.Sprintf("eos://%s/", s.s3client.bucket)
}
func (s *eos) Limits() Limits {
return Limits{
IsSupportMultipartUpload: true,
IsSupportUploadPartCopy: true,
MinPartSize: 4 << 20,
MaxPartSize: 5 << 30,
MaxPartCount: 10000,
}
}
func newEos(endpoint, accessKey, secretKey, token string) (ObjectStorage, error) {
if !strings.Contains(endpoint, "://") {
endpoint = fmt.Sprintf("https://%s", endpoint)
}
uri, err := url.ParseRequestURI(endpoint)
if err != nil {
return nil, fmt.Errorf("invalid endpoint %s: %s", endpoint, err)
}
ssl := strings.ToLower(uri.Scheme) == "https"
hostParts := strings.Split(uri.Host, ".")
bucket := hostParts[0]
endpoint = uri.Host[len(bucket)+1:]
region := "us-east-1"
if accessKey == "" {
accessKey = os.Getenv("EOS_ACCESS_KEY")
}
if secretKey == "" {
secretKey = os.Getenv("EOS_SECRET_KEY")
}
if token == "" {
token = os.Getenv("EOS_TOKEN")
}
awsConfig := &aws.Config{
Endpoint: &endpoint,
Region: ®ion,
DisableSSL: aws.Bool(!ssl),
S3ForcePathStyle: aws.Bool(true),
HTTPClient: httpClient,
Credentials: credentials.NewStaticCredentials(accessKey, secretKey, token),
}
ses, err := session.NewSession(awsConfig)
if err != nil {
return nil, fmt.Errorf("aws session: %s", err)
}
ses.Handlers.Build.PushFront(disableSha256Func)
return &eos{s3client{bucket: bucket, s3: s3.New(ses), ses: ses}}, nil
}
func init() {
Register("eos", newEos)
}