mirror of
https://github.com/vmware-tanzu/velero.git
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54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
/*
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Copyright 2018 the Heptio Ark contributors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package aws
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import (
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"context"
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"github.com/pkg/errors"
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"github.com/aws/aws-sdk-go/aws/endpoints"
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"github.com/aws/aws-sdk-go/aws/session"
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"github.com/aws/aws-sdk-go/service/s3/s3manager"
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)
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// GetBucketRegion returns the AWS region that a bucket is in, or an error
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// if the region cannot be determined.
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func GetBucketRegion(bucket string) (string, error) {
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var region string
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session, err := session.NewSession()
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if err != nil {
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return "", errors.WithStack(err)
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}
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for _, partition := range endpoints.DefaultPartitions() {
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for regionHint := range partition.Regions() {
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region, _ = s3manager.GetBucketRegion(context.Background(), session, bucket, regionHint)
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// we only need to try a single region hint per partition, so break after the first
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break
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}
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if region != "" {
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return region, nil
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}
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}
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return "", errors.New("unable to determine bucket's region")
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}
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