go-ceph/rbd/rbd_test.go

925 lines
19 KiB
Go

package rbd
import (
"bytes"
"encoding/json"
"sort"
"testing"
"time"
"github.com/ceph/go-ceph/rados"
"github.com/gofrs/uuid"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func GetUUID() string {
return uuid.Must(uuid.NewV4()).String()
}
func TestRBDError(t *testing.T) {
err := GetError(0)
assert.NoError(t, err)
err = GetError(-39) // NOTEMPTY (image still has a snapshot)
assert.Error(t, err)
assert.Equal(t, err.Error(), "rbd: ret=-39, Directory not empty")
err = GetError(345) // no such errno
assert.Error(t, err)
assert.Equal(t, err.Error(), "rbd: ret=345")
}
func TestVersion(t *testing.T) {
var major, minor, patch = Version()
assert.False(t, major < 0 || major > 1000, "invalid major")
assert.False(t, minor < 0 || minor > 1000, "invalid minor")
assert.False(t, patch < 0 || patch > 1000, "invalid patch")
}
func TestImageCreate(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
name := GetUUID()
image, err := Create(ioctx, name, 1<<22, 22)
assert.NoError(t, err)
err = image.Remove()
assert.NoError(t, err)
name = GetUUID()
image, err = Create(ioctx, name, 1<<22, 22,
RbdFeatureLayering|RbdFeatureStripingV2)
assert.NoError(t, err)
err = image.Remove()
assert.NoError(t, err)
name = GetUUID()
image, err = Create(ioctx, name, 1<<22, 22,
RbdFeatureLayering|RbdFeatureStripingV2, 4096, 2)
assert.NoError(t, err)
err = image.Remove()
assert.NoError(t, err)
// invalid order
name = GetUUID()
_, err = Create(ioctx, name, 1<<22, -1)
assert.Error(t, err)
// too many arguments
_, err = Create(ioctx, name, 1<<22, 22,
RbdFeatureLayering|RbdFeatureStripingV2, 4096, 2, 123)
assert.Error(t, err)
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestImageCreate2(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
assert.NoError(t, err)
name := GetUUID()
image, err := Create2(ioctx, name, 1<<22,
RbdFeatureLayering|RbdFeatureStripingV2, 22)
assert.NoError(t, err)
err = image.Remove()
assert.NoError(t, err)
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestImageCreate3(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
assert.NoError(t, err)
name := GetUUID()
image, err := Create3(ioctx, name, 1<<22,
RbdFeatureLayering|RbdFeatureStripingV2, 22, 4096, 2)
assert.NoError(t, err)
err = image.Remove()
assert.NoError(t, err)
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestCreateImageWithOptions(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
assert.NoError(t, err)
// nil options, causes a panic if not handled correctly
name := GetUUID()
image, err := Create4(ioctx, name, 1<<22, nil)
assert.Error(t, err)
options := NewRbdImageOptions()
// empty/default options
name = GetUUID()
image, err = Create4(ioctx, name, 1<<22, options)
assert.NoError(t, err)
err = image.Remove()
assert.NoError(t, err)
// create image with RbdImageOptionOrder
err = options.SetUint64(RbdImageOptionOrder, 22)
assert.NoError(t, err)
name = GetUUID()
image, err = Create4(ioctx, name, 1<<22, options)
assert.NoError(t, err)
err = image.Remove()
assert.NoError(t, err)
options.Clear()
// create image with a different data pool
datapool := GetUUID()
err = conn.MakePool(datapool)
assert.NoError(t, err)
err = options.SetString(RbdImageOptionDataPool, datapool)
assert.NoError(t, err)
name = GetUUID()
image, err = Create4(ioctx, name, 1<<22, options)
assert.NoError(t, err)
err = image.Remove()
assert.NoError(t, err)
conn.DeletePool(datapool)
// cleanup
options.Destroy()
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestGetImageNames(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
createdList := []string{}
for i := 0; i < 10; i++ {
name := GetUUID()
_, err := Create(ioctx, name, 1<<22, 22)
assert.NoError(t, err)
createdList = append(createdList, name)
}
imageNames, err := GetImageNames(ioctx)
assert.NoError(t, err)
sort.Strings(createdList)
sort.Strings(imageNames)
assert.Equal(t, createdList, imageNames)
for _, name := range createdList {
img := GetImage(ioctx, name)
err := img.Remove()
assert.NoError(t, err)
}
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestImageOpen(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
name := GetUUID()
image, err := Create(ioctx, name, 1<<22, 22)
assert.NoError(t, err)
// an integer is not a valid argument
err = image.Open(123)
assert.Error(t, err)
// open read-only
err = image.Open(true)
assert.NoError(t, err)
bytes_in := []byte("input data")
_, err = image.Write(bytes_in)
// writing should fail in read-only mode
assert.Error(t, err)
err = image.Close()
assert.NoError(t, err)
err = image.Remove()
assert.NoError(t, err)
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestImageResize(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
name := GetUUID()
reqSize := uint64(1024 * 1024 * 4) // 4MB
image, err := Create(ioctx, name, reqSize, 22)
assert.NoError(t, err)
err = image.Resize(reqSize * 2)
assert.Equal(t, err, ErrImageNotOpen)
err = image.Open()
assert.NoError(t, err)
size, err := image.GetSize()
assert.NoError(t, err)
assert.Equal(t, size, reqSize)
err = image.Resize(reqSize * 2)
assert.NoError(t, err)
size, err = image.GetSize()
assert.NoError(t, err)
assert.Equal(t, size, reqSize*2)
err = image.Close()
assert.NoError(t, err)
err = image.Remove()
assert.NoError(t, err)
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestImageProperties(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
require.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
name := GetUUID()
reqSize := uint64(1024 * 1024 * 4) // 4MB
img, err := Create3(ioctx, name, reqSize,
RbdFeatureLayering|RbdFeatureStripingV2, 22, 4096, 2)
require.NoError(t, err)
err = img.Open()
require.NoError(t, err)
format, err := img.IsOldFormat()
assert.NoError(t, err)
assert.Equal(t, format, false)
size, err := img.GetSize()
assert.NoError(t, err)
assert.Equal(t, size, reqSize)
features, err := img.GetFeatures()
assert.NoError(t, err)
// compare features with the two requested ones
assert.Equal(t, features&(RbdFeatureLayering|RbdFeatureStripingV2),
RbdFeatureLayering|RbdFeatureStripingV2)
stripeUnit, err := img.GetStripeUnit()
assert.NoError(t, err)
assert.Equal(t, stripeUnit, uint64(4096))
stripeCount, err := img.GetStripeCount()
assert.NoError(t, err)
assert.Equal(t, stripeCount, uint64(2))
_, err = img.GetOverlap()
assert.NoError(t, err)
err = img.Close()
assert.NoError(t, err)
err = img.Remove()
assert.NoError(t, err)
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestImageRename(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
name := GetUUID()
img, err := Create(ioctx, name, 1<<22, 22)
assert.NoError(t, err)
err = img.Rename(name)
assert.Error(t, err)
err = img.Rename(GetUUID())
assert.NoError(t, err)
img.Remove()
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestImageSeek(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
name := GetUUID()
img, err := Create(ioctx, name, 1<<22, 22)
assert.NoError(t, err)
err = img.Open()
assert.NoError(t, err)
_, err = img.Seek(0, SeekSet)
assert.NoError(t, err)
bytes_in := []byte("input data")
n_in, err := img.Write(bytes_in)
assert.NoError(t, err)
assert.Equal(t, n_in, len(bytes_in))
pos, err := img.Seek(0, SeekCur)
assert.NoError(t, err)
assert.Equal(t, pos, int64(n_in))
pos, err = img.Seek(0, SeekSet)
assert.NoError(t, err)
assert.Equal(t, pos, int64(0))
bytes_out := make([]byte, len(bytes_in))
n_out, err := img.Read(bytes_out)
assert.NoError(t, err)
assert.Equal(t, n_out, len(bytes_out))
assert.Equal(t, bytes_in, bytes_out)
pos, err = img.Seek(0, SeekCur)
assert.NoError(t, err)
assert.Equal(t, pos, int64(n_out))
pos, err = img.Seek(0, SeekSet)
assert.NoError(t, err)
assert.Equal(t, pos, int64(0))
pos, err = img.Seek(0, SeekEnd)
assert.NoError(t, err)
assert.Equal(t, pos, int64(1<<22))
_, err = img.Seek(0, -1)
assert.Error(t, err)
err = img.Close()
assert.NoError(t, err)
_, err = img.Seek(0, SeekEnd)
assert.Equal(t, err, ErrImageNotOpen)
err = img.Remove()
assert.NoError(t, err)
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestImageDiscard(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
name := GetUUID()
img, err := Create(ioctx, name, 1<<22, 22)
assert.NoError(t, err)
err = img.Open()
assert.NoError(t, err)
n, err := img.Discard(0, 1<<16)
assert.NoError(t, err)
assert.Equal(t, n, 1<<16)
err = img.Close()
assert.NoError(t, err)
err = img.Open(true)
assert.NoError(t, err)
// when read-only, discard should fail
_, err = img.Discard(0, 1<<16)
assert.Error(t, err)
err = img.Close()
assert.NoError(t, err)
_, err = img.Discard(0, 1<<16)
assert.Equal(t, err, ErrImageNotOpen)
err = img.Remove()
assert.NoError(t, err)
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestIOReaderWriter(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
name := GetUUID()
img, err := Create(ioctx, name, 1<<22, 22)
assert.NoError(t, err)
err = img.Open()
assert.NoError(t, err)
stats, err := img.Stat()
assert.NoError(t, err)
encoder := json.NewEncoder(img)
encoder.Encode(stats)
err = img.Flush()
assert.NoError(t, err)
_, err = img.Seek(0, SeekSet)
assert.NoError(t, err)
var stats2 *ImageInfo
decoder := json.NewDecoder(img)
decoder.Decode(&stats2)
assert.Equal(t, &stats, &stats2)
_, err = img.Seek(0, SeekSet)
bytes_in := []byte("input data")
_, err = img.Write(bytes_in)
assert.NoError(t, err)
_, err = img.Seek(0, SeekSet)
assert.NoError(t, err)
bytes_out := make([]byte, len(bytes_in))
n_out, err := img.Read(bytes_out)
assert.Equal(t, n_out, len(bytes_in))
assert.Equal(t, bytes_in, bytes_out)
err = img.Close()
assert.NoError(t, err)
img.Remove()
assert.NoError(t, err)
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestCreateSnapshot(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
name := GetUUID()
img, err := Create(ioctx, name, 1<<22, 22)
assert.NoError(t, err)
err = img.Open()
assert.NoError(t, err)
snapshot, err := img.CreateSnapshot("mysnap")
assert.NoError(t, err)
err = img.Close()
err = img.Open("mysnap")
assert.NoError(t, err)
snapshot.Remove()
assert.NoError(t, err)
err = img.Close()
assert.NoError(t, err)
img.Remove()
assert.NoError(t, err)
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestParentInfo(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
name := "parent"
img, err := Create(ioctx, name, 1<<22, 22, 1)
assert.NoError(t, err)
err = img.Open()
assert.NoError(t, err)
snapshot, err := img.CreateSnapshot("mysnap")
assert.NoError(t, err)
err = snapshot.Protect()
assert.NoError(t, err)
// create an image context with the parent+snapshot
snapImg := GetImage(ioctx, "parent")
err = snapImg.Open("mysnap")
assert.NoError(t, err)
// ensure no children prior to clone
pools, images, err := snapImg.ListChildren()
assert.NoError(t, err)
assert.Equal(t, len(pools), 0, "pools equal")
assert.Equal(t, len(images), 0, "children length equal")
imgNew, err := img.Clone("mysnap", ioctx, "child", 1, 22)
assert.NoError(t, err)
err = imgNew.Open()
assert.NoError(t, err)
parentPool := make([]byte, 128)
parentName := make([]byte, 128)
parentSnapname := make([]byte, 128)
err = imgNew.GetParentInfo(parentPool, parentName, parentSnapname)
assert.NoError(t, err)
n := bytes.Index(parentName, []byte{0})
pName := string(parentName[:n])
n = bytes.Index(parentSnapname, []byte{0})
pSnapname := string(parentSnapname[:n])
assert.Equal(t, pName, "parent", "they should be equal")
assert.Equal(t, pSnapname, "mysnap", "they should be equal")
pools, images, err = snapImg.ListChildren()
assert.NoError(t, err)
assert.Equal(t, len(pools), 1, "pools equal")
assert.Equal(t, len(images), 1, "children length equal")
err = imgNew.Close()
assert.NoError(t, err)
err = imgNew.Remove()
assert.NoError(t, err)
err = snapshot.Unprotect()
assert.NoError(t, err)
err = snapshot.Remove()
assert.NoError(t, err)
err = img.Close()
assert.NoError(t, err)
err = snapImg.Close()
assert.NoError(t, err)
err = img.Remove()
assert.NoError(t, err)
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestNoIOContext(t *testing.T) {
image := GetImage(nil, "nonexistent")
_, err := image.Clone("new snapshot", nil, "clone", 0, 0)
assert.Equal(t, err, ErrNoIOContext)
err = image.Remove()
assert.Equal(t, err, ErrNoIOContext)
err = image.Trash(15 * time.Second)
assert.Equal(t, err, ErrNoIOContext)
err = image.Rename("unknown")
assert.Equal(t, err, ErrNoIOContext)
err = image.Open()
assert.Equal(t, err, ErrNoIOContext)
}
func TestErrorNoName(t *testing.T) {
image := GetImage(nil, "")
err := image.Remove()
assert.Equal(t, err, ErrNoName)
err = image.Trash(15 * time.Second)
assert.Equal(t, err, ErrNoName)
err = image.Rename("unknown")
assert.Equal(t, err, ErrNoName)
err = image.Open()
assert.Equal(t, err, ErrNoName)
}
func TestErrorImageNotOpen(t *testing.T) {
image := GetImage(nil, "nonexistent")
err := image.Close()
assert.Equal(t, err, ErrImageNotOpen)
err = image.Resize(2 << 22)
assert.Equal(t, err, ErrImageNotOpen)
_, err = image.Stat()
assert.Equal(t, err, ErrImageNotOpen)
_, err = image.IsOldFormat()
assert.Equal(t, err, ErrImageNotOpen)
_, err = image.GetSize()
assert.Equal(t, err, ErrImageNotOpen)
_, err = image.GetFeatures()
assert.Equal(t, err, ErrImageNotOpen)
_, err = image.GetStripeUnit()
assert.Equal(t, err, ErrImageNotOpen)
_, err = image.GetStripeCount()
assert.Equal(t, err, ErrImageNotOpen)
_, err = image.GetOverlap()
assert.Equal(t, err, ErrImageNotOpen)
err = image.Flatten()
assert.Equal(t, err, ErrImageNotOpen)
_, _, err = image.ListChildren()
assert.Equal(t, err, ErrImageNotOpen)
_, _, err = image.ListLockers()
assert.Equal(t, err, ErrImageNotOpen)
err = image.LockExclusive("a magic cookie")
assert.Equal(t, err, ErrImageNotOpen)
err = image.LockShared("a magic cookie", "tasty")
assert.Equal(t, err, ErrImageNotOpen)
err = image.BreakLock("a magic cookie", "tasty")
assert.Equal(t, err, ErrImageNotOpen)
_, err = image.Read(nil)
assert.Equal(t, err, ErrImageNotOpen)
_, err = image.Write(nil)
assert.Equal(t, err, ErrImageNotOpen)
_, err = image.ReadAt(nil, 0)
assert.Equal(t, err, ErrImageNotOpen)
_, err = image.WriteAt(nil, 0)
assert.Equal(t, err, ErrImageNotOpen)
err = image.Flush()
assert.Equal(t, err, ErrImageNotOpen)
}
func TestNotFound(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
name := GetUUID()
img := GetImage(ioctx, name)
err = img.Open()
assert.Equal(t, err, ErrNotFound)
err = img.Remove()
assert.Equal(t, err, ErrNotFound)
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestErrorSnapshotNoName(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
name := GetUUID()
img, err := Create(ioctx, name, 1<<22, 22)
assert.NoError(t, err)
err = img.Open()
assert.NoError(t, err)
// this actually works for some reason?!
snapshot, err := img.CreateSnapshot("")
assert.NoError(t, err)
err = img.Close()
assert.NoError(t, err)
err = snapshot.Remove()
assert.Equal(t, err, ErrSnapshotNoName)
err = snapshot.Rollback()
assert.Equal(t, err, ErrSnapshotNoName)
err = snapshot.Protect()
assert.Equal(t, err, ErrSnapshotNoName)
err = snapshot.Unprotect()
assert.Equal(t, err, ErrSnapshotNoName)
_, err = snapshot.IsProtected()
assert.Equal(t, err, ErrSnapshotNoName)
err = snapshot.Set()
assert.Equal(t, err, ErrSnapshotNoName)
// image can not be removed as the snapshot still exists
// err = img.Remove()
// assert.NoError(t, err)
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}
func TestTrashImage(t *testing.T) {
conn, _ := rados.NewConn()
conn.ReadDefaultConfigFile()
conn.Connect()
poolname := GetUUID()
err := conn.MakePool(poolname)
assert.NoError(t, err)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
name := GetUUID()
image, err := Create(ioctx, name, 1<<22, 22)
assert.NoError(t, err)
err = image.Trash(time.Hour)
assert.NoError(t, err)
trashList, err := GetTrashList(ioctx)
assert.NoError(t, err)
assert.Equal(t, len(trashList), 1, "trashList length equal")
err = TrashRestore(ioctx, trashList[0].Id, name+"_restored")
assert.NoError(t, err)
image2 := GetImage(ioctx, name+"_restored")
err = image2.Trash(time.Hour)
assert.NoError(t, err)
trashList, err = GetTrashList(ioctx)
assert.NoError(t, err)
assert.Equal(t, len(trashList), 1, "trashList length equal")
err = TrashRemove(ioctx, trashList[0].Id, true)
assert.NoError(t, err)
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}