mirror of
https://github.com/ceph/go-ceph
synced 2024-12-27 08:42:11 +00:00
274 lines
7.5 KiB
Go
274 lines
7.5 KiB
Go
//go:build !luminous && !mimic
|
|
// +build !luminous,!mimic
|
|
|
|
package admin
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
pathpkg "path"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/ceph/go-ceph/cephfs"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
var snapDir = ".snapshots"
|
|
|
|
func fsConnect(t *testing.T, configFile string) *cephfs.MountInfo {
|
|
mount, err := cephfs.CreateMount()
|
|
require.NoError(t, err)
|
|
require.NotNil(t, mount)
|
|
|
|
if configFile == "" {
|
|
err = mount.ReadDefaultConfigFile()
|
|
require.NoError(t, err)
|
|
} else {
|
|
err = mount.ReadConfigFile(configFile)
|
|
require.NoError(t, err)
|
|
}
|
|
err = mount.SetConfigOption("client_snapdir", snapDir)
|
|
require.NoError(t, err)
|
|
|
|
timeout := time.After(time.Second * 5)
|
|
ch := make(chan error)
|
|
go func(mount *cephfs.MountInfo) {
|
|
ch <- mount.Mount()
|
|
}(mount)
|
|
select {
|
|
case err = <-ch:
|
|
case <-timeout:
|
|
err = fmt.Errorf("timed out waiting for connect")
|
|
}
|
|
require.NoError(t, err)
|
|
return mount
|
|
}
|
|
|
|
func writeFile(t *testing.T, mount *cephfs.MountInfo, path string, content []byte) {
|
|
f1, err := mount.Open(path, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0700)
|
|
require.NoError(t, err)
|
|
defer f1.Close()
|
|
f1.WriteAt(content, 0)
|
|
}
|
|
|
|
func readFile(t *testing.T, mount *cephfs.MountInfo, path string) []byte {
|
|
f1, err := mount.Open(path, os.O_RDONLY, 0)
|
|
require.NoError(t, err)
|
|
defer f1.Close()
|
|
b, err := ioutil.ReadAll(f1)
|
|
require.NoError(t, err)
|
|
return b
|
|
}
|
|
|
|
func getSnapPath(t *testing.T, mount *cephfs.MountInfo, subvol, snapname string) string {
|
|
// I wish there was a nicer way to do this
|
|
snapPath := pathpkg.Join(subvol, snapDir, snapname)
|
|
_, err := mount.Statx(snapPath, cephfs.StatxBasicStats, 0)
|
|
if err == nil {
|
|
return snapPath
|
|
}
|
|
snapPath = pathpkg.Join(
|
|
pathpkg.Dir(subvol),
|
|
snapDir,
|
|
snapname,
|
|
pathpkg.Base(subvol))
|
|
_, err = mount.Statx(snapPath, cephfs.StatxBasicStats, 0)
|
|
if err == nil {
|
|
return snapPath
|
|
}
|
|
t.Fatalf("did not find a snap path for %s", snapname)
|
|
return ""
|
|
}
|
|
|
|
// TestWorkflow aims to do more than just exercise the API calls, but rather to
|
|
// also check that they do what they say on the tin. This means importing the
|
|
// cephfs lib in addition to the admin lib and reading and writing to the
|
|
// subvolume, snapshot, and clone as appropriate.
|
|
func TestWorkflow(t *testing.T) {
|
|
fsa := getFSAdmin(t)
|
|
volume := "cephfs"
|
|
group := "workflow1"
|
|
|
|
// verify the volume we want to use
|
|
l, err := fsa.ListVolumes()
|
|
require.NoError(t, err)
|
|
require.Contains(t, l, volume)
|
|
|
|
err = fsa.CreateSubVolumeGroup(volume, group, nil)
|
|
require.NoError(t, err)
|
|
defer func() {
|
|
err := fsa.RemoveSubVolumeGroup(volume, group)
|
|
assert.NoError(t, err)
|
|
}()
|
|
|
|
subname := "files1"
|
|
svopts := &SubVolumeOptions{
|
|
Mode: 0777,
|
|
Size: 2 * gibiByte,
|
|
}
|
|
err = fsa.CreateSubVolume(volume, group, subname, svopts)
|
|
require.NoError(t, err)
|
|
defer func() {
|
|
err := fsa.RemoveSubVolume(volume, group, subname)
|
|
assert.NoError(t, err)
|
|
}()
|
|
|
|
// getpath
|
|
subPath, err := fsa.SubVolumePath(volume, group, subname)
|
|
require.NoError(t, err)
|
|
require.NotEqual(t, "", subPath)
|
|
|
|
// connect to volume, cd to path (?)
|
|
mount := fsConnect(t, "")
|
|
defer func(mount *cephfs.MountInfo) {
|
|
assert.NoError(t, mount.Unmount())
|
|
assert.NoError(t, mount.Release())
|
|
}(mount)
|
|
|
|
err = mount.ChangeDir(subPath)
|
|
require.NoError(t, err)
|
|
|
|
// write some dirs & files
|
|
err = mount.MakeDir("content1", 0770)
|
|
require.NoError(t, err)
|
|
|
|
writeFile(t, mount, "content1/robots.txt",
|
|
[]byte("robbie\nr2\nbender\nclaptrap\n"))
|
|
writeFile(t, mount, "content1/songs.txt",
|
|
[]byte("none of them knew they were robots\n"))
|
|
assert.NoError(t, mount.MakeDir("content1/emptyDir1", 0770))
|
|
|
|
err = mount.MakeDir("content2", 0770)
|
|
require.NoError(t, err)
|
|
|
|
writeFile(t, mount, "content2/androids.txt",
|
|
[]byte("data\nmarvin\n"))
|
|
assert.NoError(t, mount.MakeDir("content2/docs", 0770))
|
|
writeFile(t, mount, "content2/docs/lore.txt",
|
|
[]byte("Compendium\nLegend\nLore\nDeadweight\nSpirit at Aphelion\n"))
|
|
|
|
assert.NoError(t, mount.SyncFs())
|
|
|
|
// take a snapshot
|
|
|
|
snapname1 := "hotSpans1"
|
|
err = fsa.CreateSubVolumeSnapshot(volume, group, subname, snapname1)
|
|
require.NoError(t, err)
|
|
defer func() {
|
|
err := fsa.RemoveSubVolumeSnapshot(volume, group, subname, snapname1)
|
|
assert.NoError(t, err)
|
|
}()
|
|
|
|
sinfo, err := fsa.SubVolumeSnapshotInfo(volume, group, subname, snapname1)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, sinfo)
|
|
|
|
time.Sleep(500 * time.Millisecond) // is there a race?
|
|
|
|
// examine the snapshot
|
|
snapPath := getSnapPath(t, mount, subPath, snapname1)
|
|
require.NotEqual(t, "", snapPath)
|
|
|
|
tempPath := pathpkg.Join(snapPath, "content1/robots.txt")
|
|
txt := readFile(t, mount, tempPath)
|
|
assert.Contains(t, string(txt), "robbie")
|
|
|
|
// original subvol can be manipulated
|
|
err = mount.Rename("content2/docs/lore.txt", "content1/lore.txt")
|
|
assert.NoError(t, err)
|
|
writeFile(t, mount, "content1/songs.txt",
|
|
[]byte("none of them knew they were robots\nars moriendi\n"))
|
|
|
|
// snapshot may not be modified
|
|
err = mount.Rename(
|
|
pathpkg.Join(snapPath, "content2/docs/lore.txt"),
|
|
pathpkg.Join(snapPath, "content1/lore.txt"))
|
|
assert.Error(t, err)
|
|
txt = readFile(t, mount, pathpkg.Join(snapPath, "content2/docs/lore.txt"))
|
|
assert.Contains(t, string(txt), "Spirit")
|
|
|
|
// make a clone
|
|
|
|
clonename := "files2"
|
|
err = fsa.CloneSubVolumeSnapshot(
|
|
volume, group, subname, snapname1, clonename,
|
|
&CloneOptions{TargetGroup: group})
|
|
var x NotProtectedError
|
|
if errors.As(err, &x) {
|
|
err = fsa.ProtectSubVolumeSnapshot(volume, group, subname, snapname1)
|
|
assert.NoError(t, err)
|
|
defer func() {
|
|
err := fsa.UnprotectSubVolumeSnapshot(volume, group, subname, snapname1)
|
|
assert.NoError(t, err)
|
|
}()
|
|
|
|
err = fsa.CloneSubVolumeSnapshot(
|
|
volume, group, subname, snapname1, clonename,
|
|
&CloneOptions{TargetGroup: group})
|
|
}
|
|
require.NoError(t, err)
|
|
defer func() {
|
|
err := fsa.ForceRemoveSubVolume(volume, group, clonename)
|
|
assert.NoError(t, err)
|
|
}()
|
|
|
|
// wait for cloning to complete
|
|
for done := false; !done; {
|
|
status, err := fsa.CloneStatus(volume, group, clonename)
|
|
assert.NoError(t, err)
|
|
assert.NotNil(t, status)
|
|
switch status.State {
|
|
case ClonePending, CloneInProgress:
|
|
time.Sleep(5 * time.Millisecond)
|
|
case CloneComplete:
|
|
done = true
|
|
case CloneFailed:
|
|
t.Fatal("clone failed")
|
|
default:
|
|
t.Fatalf("invalid status.State: %q", status.State)
|
|
}
|
|
}
|
|
|
|
// examine the clone
|
|
clonePath, err := fsa.SubVolumePath(volume, group, clonename)
|
|
require.NoError(t, err)
|
|
require.NotEqual(t, "", clonePath)
|
|
|
|
txt = readFile(t, mount, pathpkg.Join(clonePath, "content1/robots.txt"))
|
|
assert.Contains(t, string(txt), "robbie")
|
|
|
|
// clones are r/w
|
|
err = mount.Rename(
|
|
pathpkg.Join(clonePath, "content2/docs/lore.txt"),
|
|
pathpkg.Join(clonePath, "content1/lore.txt"))
|
|
assert.NoError(t, err)
|
|
txt = readFile(t, mount, pathpkg.Join(clonePath, "content1/lore.txt"))
|
|
assert.Contains(t, string(txt), "Spirit")
|
|
|
|
// it reflects what was in the snapshot
|
|
txt = readFile(t, mount, pathpkg.Join(clonePath, "content1/songs.txt"))
|
|
assert.Contains(t, string(txt), "robots")
|
|
assert.NotContains(t, string(txt), "moriendi")
|
|
|
|
// ... with it's own independent data
|
|
writeFile(t, mount, pathpkg.Join(clonePath, "content1/songs.txt"),
|
|
[]byte("none of them knew they were robots\nsweet charity\n"))
|
|
|
|
// (orig)
|
|
txt = readFile(t, mount, "content1/songs.txt")
|
|
assert.Contains(t, string(txt), "robots")
|
|
assert.Contains(t, string(txt), "moriendi")
|
|
assert.NotContains(t, string(txt), "charity")
|
|
|
|
// (clone)
|
|
txt = readFile(t, mount, pathpkg.Join(clonePath, "content1/songs.txt"))
|
|
assert.Contains(t, string(txt), "robots")
|
|
assert.NotContains(t, string(txt), "moriendi")
|
|
assert.Contains(t, string(txt), "charity")
|
|
}
|