forked from rook/rook
Travis Nielsen
0298d1fb29
move core rados packages under cluster folder move daemons under daemon pkg rename flex crd package to attachment pin dep to k8s 1.8.2
104 lines
2.7 KiB
Go
104 lines
2.7 KiB
Go
/*
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Copyright 2016 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 block
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import (
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"bytes"
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"fmt"
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"os"
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"runtime"
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"strings"
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"github.com/rook/rook/cmd/rookctl/rook"
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"github.com/rook/rook/pkg/daemon/ceph/util"
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"github.com/rook/rook/pkg/rook/client"
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"github.com/rook/rook/pkg/util/display"
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"github.com/rook/rook/pkg/util/exec"
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"github.com/rook/rook/pkg/util/flags"
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"github.com/rook/rook/pkg/util/sys"
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"github.com/spf13/cobra"
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)
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var listCmd = &cobra.Command{
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Use: "list",
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Short: "Gets a listing with details of all block images in the cluster and their locally mapped devices",
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Aliases: []string{"ls"},
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}
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func init() {
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listCmd.RunE = listBlocksEntry
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}
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func listBlocksEntry(cmd *cobra.Command, args []string) error {
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rook.SetupLogging()
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if err := flags.VerifyRequiredFlags(cmd, []string{}); err != nil {
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return err
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}
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c := rook.NewRookNetworkRestClient()
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e := &exec.CommandExecutor{}
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out, err := listBlocks(util.RBDSysBusPathDefault, c, e)
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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fmt.Print(out)
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return nil
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}
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func listBlocks(rbdSysBusPath string, c client.RookRestClient, executor exec.Executor) (string, error) {
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images, err := c.GetBlockImages()
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if err != nil {
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return "", fmt.Errorf("failed to get block images: %+v", err)
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}
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if len(images) == 0 {
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return "", nil
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}
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if runtime.GOOS == "linux" {
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// for each image returned from the client API call, look up local details
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for i := range images {
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image := &(images[i])
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// look up local device and mount point, ignoring errors
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imageFile, _ := util.FindRBDMappedFile(image.Name, image.PoolName, rbdSysBusPath)
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devPath := util.RBDDevicePathPrefix + imageFile
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dev := strings.TrimPrefix(devPath, devicePathPrefix)
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var mountPoint string
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if dev != "" {
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mountPoint, _ = sys.GetDeviceMountPoint(dev, executor)
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}
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image.Device = dev
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image.MountPoint = mountPoint
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}
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}
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var buffer bytes.Buffer
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w := rook.NewTableWriter(&buffer)
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fmt.Fprintln(w, "NAME\tPOOL\tSIZE\tDEVICE\tMOUNT")
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for _, i := range images {
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fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\n", i.Name, i.PoolName, display.BytesToString(i.Size), i.Device, i.MountPoint)
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}
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w.Flush()
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return buffer.String(), nil
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}
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