mirror of
https://github.com/ceph/ceph-csi.git
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7b2aef0d81
add support to run rbd map and mount -t commands with the nsenter. complete design of pod/multus network is added here https://github.com/rook/rook/ blob/master/design/ceph/multus-network.md#csi-pods Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
/*
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Copyright 2021 The Ceph-CSI 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 mounter
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import (
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"context"
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"fmt"
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"github.com/ceph/ceph-csi/internal/cephfs/store"
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"github.com/ceph/ceph-csi/internal/util"
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)
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const (
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volumeMounterKernel = "kernel"
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netDev = "_netdev"
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)
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type KernelMounter struct{}
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func mountKernel(ctx context.Context, mountPoint string, cr *util.Credentials, volOptions *store.VolumeOptions) error {
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if err := execCommandErr(ctx, "modprobe", "ceph"); err != nil {
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return err
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}
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args := []string{
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"-t", "ceph",
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fmt.Sprintf("%s:%s", volOptions.Monitors, volOptions.RootPath),
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mountPoint,
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}
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optionsStr := fmt.Sprintf("name=%s,secretfile=%s", cr.ID, cr.KeyFile)
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mdsNamespace := ""
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if volOptions.FsName != "" {
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mdsNamespace = fmt.Sprintf("mds_namespace=%s", volOptions.FsName)
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}
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optionsStr = util.MountOptionsAdd(optionsStr, mdsNamespace, volOptions.KernelMountOptions, netDev)
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args = append(args, "-o", optionsStr)
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var (
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stderr string
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err error
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)
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if volOptions.NetNamespaceFilePath != "" {
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_, stderr, err = util.ExecuteCommandWithNSEnter(ctx, volOptions.NetNamespaceFilePath, "mount", args[:]...)
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} else {
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_, stderr, err = util.ExecCommand(ctx, "mount", args[:]...)
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}
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if err != nil {
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return fmt.Errorf("%w stderr: %s", err, stderr)
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}
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return err
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}
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func (m *KernelMounter) Mount(
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ctx context.Context,
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mountPoint string,
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cr *util.Credentials,
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volOptions *store.VolumeOptions) error {
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if err := util.CreateMountPoint(mountPoint); err != nil {
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return err
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}
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return mountKernel(ctx, mountPoint, cr, volOptions)
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}
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func (m *KernelMounter) Name() string { return "Ceph kernel client" }
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