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https://github.com/vmware-tanzu/velero.git
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48792ece1f
* update import paths to github.com/vmware-tanzu/... Signed-off-by: Steve Kriss <krisss@vmware.com> * update other GH org refs to vmware-tanzu Signed-off-by: Steve Kriss <krisss@vmware.com> * site and docs: update GH org to vmware-tanzu Signed-off-by: Steve Kriss <krisss@vmware.com> * update travis badge links on docs readmes Signed-off-by: Steve Kriss <krisss@vmware.com>
101 lines
2.9 KiB
Go
101 lines
2.9 KiB
Go
/*
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Copyright 2018, 2019 the Velero 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 restic
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import (
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"fmt"
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"path"
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"strings"
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"github.com/pkg/errors"
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velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
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"github.com/vmware-tanzu/velero/pkg/cloudprovider/aws"
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"github.com/vmware-tanzu/velero/pkg/persistence"
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)
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type BackendType string
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const (
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AWSBackend BackendType = "velero.io/aws"
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AzureBackend BackendType = "velero.io/azure"
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GCPBackend BackendType = "velero.io/gcp"
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)
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// this func is assigned to a package-level variable so it can be
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// replaced when unit-testing
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var getAWSBucketRegion = aws.GetBucketRegion
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// getRepoPrefix returns the prefix of the value of the --repo flag for
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// restic commands, i.e. everything except the "/<repo-name>".
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func getRepoPrefix(location *velerov1api.BackupStorageLocation) (string, error) {
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var bucket, prefix string
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if location.Spec.ObjectStorage != nil {
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layout := persistence.NewObjectStoreLayout(location.Spec.ObjectStorage.Prefix)
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bucket = location.Spec.ObjectStorage.Bucket
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prefix = layout.GetResticDir()
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}
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var provider = location.Spec.Provider
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if !strings.Contains(provider, "/") {
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provider = "velero.io/" + provider
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}
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if repoPrefix := location.Spec.Config["resticRepoPrefix"]; repoPrefix != "" {
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return repoPrefix, nil
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}
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switch BackendType(provider) {
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case AWSBackend:
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var url string
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switch {
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// non-AWS, S3-compatible object store
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case location.Spec.Config["s3Url"] != "":
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url = location.Spec.Config["s3Url"]
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default:
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region, err := getAWSBucketRegion(bucket)
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if err != nil {
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url = "s3.amazonaws.com"
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break
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}
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url = fmt.Sprintf("s3-%s.amazonaws.com", region)
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}
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return fmt.Sprintf("s3:%s/%s", strings.TrimSuffix(url, "/"), path.Join(bucket, prefix)), nil
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case AzureBackend:
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return fmt.Sprintf("azure:%s:/%s", bucket, prefix), nil
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case GCPBackend:
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return fmt.Sprintf("gs:%s:/%s", bucket, prefix), nil
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}
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return "", errors.New("restic repository prefix (resticRepoPrefix) not specified in backup storage location's config")
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}
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// GetRepoIdentifier returns the string to be used as the value of the --repo flag in
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// restic commands for the given repository.
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func GetRepoIdentifier(location *velerov1api.BackupStorageLocation, name string) (string, error) {
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prefix, err := getRepoPrefix(location)
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if err != nil {
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return "", err
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}
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return fmt.Sprintf("%s/%s", strings.TrimSuffix(prefix, "/"), name), nil
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}
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