go-ceph/rbd/rbd_test.go
Noah Watkins 208695a8c1 fmt: apply gofmt updates
Signed-off-by: Noah Watkins <nwatkins@redhat.com>
2018-09-17 15:57:31 -07:00

362 lines
7.6 KiB
Go

package rbd_test
import (
"bytes"
"encoding/json"
"github.com/ceph/go-ceph/rados"
"github.com/ceph/go-ceph/rbd"
"github.com/stretchr/testify/assert"
"os/exec"
"sort"
"testing"
"time"
)
//Rdb feature
var RbdFeatureLayering = uint64(1 << 0)
var RbdFeatureStripingV2 = uint64(1 << 1)
func GetUUID() string {
out, _ := exec.Command("uuidgen").Output()
return string(out[:36])
}
func TestVersion(t *testing.T) {
var major, minor, patch = rbd.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 TestCreateImage(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 := rbd.Create(ioctx, name, 1<<22, 22)
assert.NoError(t, err)
err = image.Remove()
assert.NoError(t, err)
name = GetUUID()
image, err = rbd.Create(ioctx, name, 1<<22, 22,
RbdFeatureLayering|RbdFeatureStripingV2)
assert.NoError(t, err)
err = image.Remove()
assert.NoError(t, err)
name = GetUUID()
image, err = rbd.Create(ioctx, name, 1<<22, 22,
RbdFeatureLayering|RbdFeatureStripingV2, 4096, 2)
assert.NoError(t, err)
err = image.Remove()
assert.NoError(t, err)
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)
assert.NoError(t, err)
createdList := []string{}
for i := 0; i < 10; i++ {
name := GetUUID()
_, err := rbd.Create(ioctx, name, 1<<22, 22)
assert.NoError(t, err)
createdList = append(createdList, name)
}
imageNames, err := rbd.GetImageNames(ioctx)
assert.NoError(t, err)
sort.Strings(createdList)
sort.Strings(imageNames)
assert.Equal(t, createdList, imageNames)
for _, name := range createdList {
img := rbd.GetImage(ioctx, name)
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)
assert.NoError(t, err)
name := GetUUID()
img, err := rbd.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, 0)
assert.NoError(t, err)
var stats2 *rbd.ImageInfo
decoder := json.NewDecoder(img)
decoder.Decode(&stats2)
assert.Equal(t, &stats, &stats2)
_, err = img.Seek(0, 0)
bytes_in := []byte("input data")
_, err = img.Write(bytes_in)
assert.NoError(t, err)
_, err = img.Seek(0, 0)
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)
assert.NoError(t, err)
name := GetUUID()
img, err := rbd.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)
assert.NoError(t, err)
name := "parent"
img, err := rbd.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 := rbd.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 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)
assert.NoError(t, err)
name := GetUUID()
img := rbd.GetImage(ioctx, name)
err = img.Open()
assert.Equal(t, err, rbd.RbdErrorNotFound)
img.Remove()
assert.Equal(t, err, rbd.RbdErrorNotFound)
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)
assert.NoError(t, err)
name := GetUUID()
image, err := rbd.Create(ioctx, name, 1<<22, 22)
assert.NoError(t, err)
err = image.Trash(time.Hour)
assert.NoError(t, err)
trashList, err := rbd.GetTrashList(ioctx)
assert.NoError(t, err)
assert.Equal(t, len(trashList), 1, "trashList length equal")
err = rbd.TrashRestore(ioctx, trashList[0].Id, name+"_restored")
assert.NoError(t, err)
image2 := rbd.GetImage(ioctx, name+"_restored")
err = image2.Trash(time.Hour)
assert.NoError(t, err)
trashList, err = rbd.GetTrashList(ioctx)
assert.NoError(t, err)
assert.Equal(t, len(trashList), 1, "trashList length equal")
err = rbd.TrashRemove(ioctx, trashList[0].Id, true)
assert.NoError(t, err)
ioctx.Destroy()
conn.DeletePool(poolname)
conn.Shutdown()
}