forked from rook/rook
Rakshith R
71e011f731
This commit adds functionality to be able to rotate key encryption key of encrypted PVC backed OSDs. Necessary changes such as adding update functionality to kms and rbac changes are made as well. Signed-off-by: Rakshith R <rar@redhat.com>
69 lines
1.8 KiB
Go
69 lines
1.8 KiB
Go
/*
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Copyright 2019 The Rook Authors. All rights reserved.
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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 osd
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import (
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"encoding/base64"
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"fmt"
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"path"
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"github.com/pkg/errors"
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cephv1 "github.com/rook/rook/pkg/apis/ceph.rook.io/v1"
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"github.com/rook/rook/pkg/operator/ceph/cluster/mgr"
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opconfig "github.com/rook/rook/pkg/operator/ceph/config"
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)
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const (
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dmCryptKeySize = 128
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)
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func osdOnSDNFlag(network cephv1.NetworkSpec) []string {
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var args []string
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// OSD fails to find the right IP to bind to when running on SDN
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// for more details: https://github.com/rook/rook/issues/3140
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if !network.IsHost() {
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args = append(args, "--ms-learn-addr-from-peer=false")
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}
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return args
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}
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func encryptionKeyPath() string {
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return path.Join(opconfig.EtcCephDir, encryptionKeyFileName)
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}
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func EncryptionDMName(pvcName, blockType string) string {
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return fmt.Sprintf("%s-%s", pvcName, blockType)
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}
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func EncryptionDMPath(pvcName, blockType string) string {
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return path.Join("/dev/mapper", EncryptionDMName(pvcName, blockType))
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}
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func encryptionBlockDestinationCopy(mountPath, blockType string) string {
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return path.Join(mountPath, blockType) + "-tmp"
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}
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func GenerateDmCryptKey() (string, error) {
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key, err := mgr.GenerateRandomBytes(dmCryptKeySize)
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if err != nil {
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return "", errors.Wrap(err, "failed to generate random bytes")
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}
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return base64.StdEncoding.EncodeToString(key), nil
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}
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