mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-29 17:50:23 +00:00
100 lines
2.5 KiB
Go
100 lines
2.5 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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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 cephfs
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import (
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"fmt"
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"os"
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)
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const (
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cephUserPrefix = "csi-user-"
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cephEntityClientPrefix = "client."
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)
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type cephEntityCaps struct {
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Mds string `json:"mds"`
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Mon string `json:"mon"`
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Osd string `json:"osd"`
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}
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type cephEntity struct {
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Entity string `json:"entity"`
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Key string `json:"key"`
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Caps cephEntityCaps `json:"caps"`
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}
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func getCephUserName(volUuid string) string {
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return cephUserPrefix + volUuid
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}
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func getCephUser(userId string) (*cephEntity, error) {
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entityName := cephEntityClientPrefix + userId
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var ents []cephEntity
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if err := execCommandJson(&ents, "ceph", "auth", "get", entityName); err != nil {
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return nil, err
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}
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if len(ents) != 1 {
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return nil, fmt.Errorf("error retrieving entity %s", entityName)
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}
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return &ents[0], nil
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}
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func createCephUser(volOptions *volumeOptions, cr *credentials, volUuid string) (*cephEntity, error) {
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caps := cephEntityCaps{
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Mds: fmt.Sprintf("allow rw path=%s", getVolumeRootPath_ceph(volUuid)),
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Mon: "allow r",
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Osd: fmt.Sprintf("allow rw pool=%s namespace=%s", volOptions.Pool, getVolumeNamespace(volUuid)),
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}
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var ents []cephEntity
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args := [...]string{
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"auth", "-f", "json", "-c", getCephConfPath(volUuid), "-n", cephEntityClientPrefix + cr.id,
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"get-or-create", cephEntityClientPrefix + getCephUserName(volUuid),
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"mds", caps.Mds,
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"mon", caps.Mon,
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"osd", caps.Osd,
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}
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if err := execCommandJson(&ents, "ceph", args[:]...); err != nil {
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return nil, fmt.Errorf("error creating ceph user: %v", err)
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}
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return &ents[0], nil
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}
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func deleteCephUser(cr *credentials, volUuid string) error {
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userId := getCephUserName(volUuid)
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args := [...]string{
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"-c", getCephConfPath(volUuid), "-n", cephEntityClientPrefix + cr.id,
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"auth", "rm", cephEntityClientPrefix + userId,
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}
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if err := execCommandAndValidate("ceph", args[:]...); err != nil {
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return err
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}
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os.Remove(getCephKeyringPath(volUuid, userId))
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os.Remove(getCephSecretPath(volUuid, userId))
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return nil
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}
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