mirror of
https://github.com/ceph/go-ceph
synced 2024-12-30 02:02:06 +00:00
362 lines
7.6 KiB
Go
362 lines
7.6 KiB
Go
package rbd_test
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import (
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"bytes"
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"encoding/json"
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"github.com/ceph/go-ceph/rados"
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"github.com/ceph/go-ceph/rbd"
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"github.com/stretchr/testify/assert"
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"os/exec"
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"sort"
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"testing"
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"time"
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)
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//Rdb feature
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var RbdFeatureLayering = uint64(1 << 0)
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var RbdFeatureStripingV2 = uint64(1 << 1)
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func GetUUID() string {
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out, _ := exec.Command("uuidgen").Output()
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return string(out[:36])
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}
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func TestVersion(t *testing.T) {
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var major, minor, patch = rbd.Version()
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assert.False(t, major < 0 || major > 1000, "invalid major")
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assert.False(t, minor < 0 || minor > 1000, "invalid minor")
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assert.False(t, patch < 0 || patch > 1000, "invalid patch")
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}
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func TestCreateImage(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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poolname := GetUUID()
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err := conn.MakePool(poolname)
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assert.NoError(t, err)
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ioctx, err := conn.OpenIOContext(poolname)
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assert.NoError(t, err)
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name := GetUUID()
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image, err := rbd.Create(ioctx, name, 1<<22, 22)
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assert.NoError(t, err)
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err = image.Remove()
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assert.NoError(t, err)
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name = GetUUID()
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image, err = rbd.Create(ioctx, name, 1<<22, 22,
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RbdFeatureLayering|RbdFeatureStripingV2)
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assert.NoError(t, err)
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err = image.Remove()
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assert.NoError(t, err)
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name = GetUUID()
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image, err = rbd.Create(ioctx, name, 1<<22, 22,
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RbdFeatureLayering|RbdFeatureStripingV2, 4096, 2)
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assert.NoError(t, err)
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err = image.Remove()
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assert.NoError(t, err)
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ioctx.Destroy()
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conn.DeletePool(poolname)
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conn.Shutdown()
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}
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func TestGetImageNames(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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poolname := GetUUID()
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err := conn.MakePool(poolname)
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assert.NoError(t, err)
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ioctx, err := conn.OpenIOContext(poolname)
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assert.NoError(t, err)
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createdList := []string{}
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for i := 0; i < 10; i++ {
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name := GetUUID()
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_, err := rbd.Create(ioctx, name, 1<<22, 22)
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assert.NoError(t, err)
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createdList = append(createdList, name)
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}
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imageNames, err := rbd.GetImageNames(ioctx)
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assert.NoError(t, err)
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sort.Strings(createdList)
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sort.Strings(imageNames)
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assert.Equal(t, createdList, imageNames)
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for _, name := range createdList {
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img := rbd.GetImage(ioctx, name)
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err := img.Remove()
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assert.NoError(t, err)
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}
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ioctx.Destroy()
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conn.DeletePool(poolname)
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conn.Shutdown()
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}
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func TestIOReaderWriter(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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poolname := GetUUID()
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err := conn.MakePool(poolname)
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assert.NoError(t, err)
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ioctx, err := conn.OpenIOContext(poolname)
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assert.NoError(t, err)
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name := GetUUID()
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img, err := rbd.Create(ioctx, name, 1<<22, 22)
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assert.NoError(t, err)
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err = img.Open()
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assert.NoError(t, err)
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stats, err := img.Stat()
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assert.NoError(t, err)
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encoder := json.NewEncoder(img)
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encoder.Encode(stats)
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err = img.Flush()
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assert.NoError(t, err)
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_, err = img.Seek(0, 0)
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assert.NoError(t, err)
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var stats2 *rbd.ImageInfo
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decoder := json.NewDecoder(img)
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decoder.Decode(&stats2)
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assert.Equal(t, &stats, &stats2)
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_, err = img.Seek(0, 0)
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bytes_in := []byte("input data")
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_, err = img.Write(bytes_in)
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assert.NoError(t, err)
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_, err = img.Seek(0, 0)
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assert.NoError(t, err)
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bytes_out := make([]byte, len(bytes_in))
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n_out, err := img.Read(bytes_out)
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assert.Equal(t, n_out, len(bytes_in))
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assert.Equal(t, bytes_in, bytes_out)
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err = img.Close()
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assert.NoError(t, err)
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img.Remove()
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assert.NoError(t, err)
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ioctx.Destroy()
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conn.DeletePool(poolname)
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conn.Shutdown()
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}
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func TestCreateSnapshot(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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poolname := GetUUID()
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err := conn.MakePool(poolname)
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assert.NoError(t, err)
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ioctx, err := conn.OpenIOContext(poolname)
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assert.NoError(t, err)
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name := GetUUID()
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img, err := rbd.Create(ioctx, name, 1<<22, 22)
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assert.NoError(t, err)
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err = img.Open()
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assert.NoError(t, err)
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snapshot, err := img.CreateSnapshot("mysnap")
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assert.NoError(t, err)
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err = img.Close()
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err = img.Open("mysnap")
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assert.NoError(t, err)
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snapshot.Remove()
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assert.NoError(t, err)
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err = img.Close()
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assert.NoError(t, err)
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img.Remove()
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assert.NoError(t, err)
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ioctx.Destroy()
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conn.DeletePool(poolname)
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conn.Shutdown()
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}
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func TestParentInfo(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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poolname := GetUUID()
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err := conn.MakePool(poolname)
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assert.NoError(t, err)
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ioctx, err := conn.OpenIOContext(poolname)
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assert.NoError(t, err)
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name := "parent"
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img, err := rbd.Create(ioctx, name, 1<<22, 22, 1)
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assert.NoError(t, err)
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err = img.Open()
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assert.NoError(t, err)
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snapshot, err := img.CreateSnapshot("mysnap")
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assert.NoError(t, err)
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err = snapshot.Protect()
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assert.NoError(t, err)
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// create an image context with the parent+snapshot
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snapImg := rbd.GetImage(ioctx, "parent")
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err = snapImg.Open("mysnap")
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assert.NoError(t, err)
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// ensure no children prior to clone
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pools, images, err := snapImg.ListChildren()
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assert.NoError(t, err)
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assert.Equal(t, len(pools), 0, "pools equal")
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assert.Equal(t, len(images), 0, "children length equal")
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imgNew, err := img.Clone("mysnap", ioctx, "child", 1, 22)
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assert.NoError(t, err)
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err = imgNew.Open()
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assert.NoError(t, err)
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parentPool := make([]byte, 128)
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parentName := make([]byte, 128)
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parentSnapname := make([]byte, 128)
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err = imgNew.GetParentInfo(parentPool, parentName, parentSnapname)
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assert.NoError(t, err)
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n := bytes.Index(parentName, []byte{0})
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pName := string(parentName[:n])
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n = bytes.Index(parentSnapname, []byte{0})
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pSnapname := string(parentSnapname[:n])
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assert.Equal(t, pName, "parent", "they should be equal")
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assert.Equal(t, pSnapname, "mysnap", "they should be equal")
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pools, images, err = snapImg.ListChildren()
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assert.NoError(t, err)
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assert.Equal(t, len(pools), 1, "pools equal")
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assert.Equal(t, len(images), 1, "children length equal")
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err = imgNew.Close()
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assert.NoError(t, err)
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err = imgNew.Remove()
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assert.NoError(t, err)
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err = snapshot.Unprotect()
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assert.NoError(t, err)
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err = snapshot.Remove()
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assert.NoError(t, err)
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err = img.Close()
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assert.NoError(t, err)
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err = snapImg.Close()
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assert.NoError(t, err)
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err = img.Remove()
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assert.NoError(t, err)
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ioctx.Destroy()
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conn.DeletePool(poolname)
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conn.Shutdown()
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}
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func TestNotFound(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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poolname := GetUUID()
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err := conn.MakePool(poolname)
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assert.NoError(t, err)
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ioctx, err := conn.OpenIOContext(poolname)
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assert.NoError(t, err)
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name := GetUUID()
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img := rbd.GetImage(ioctx, name)
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err = img.Open()
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assert.Equal(t, err, rbd.RbdErrorNotFound)
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img.Remove()
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assert.Equal(t, err, rbd.RbdErrorNotFound)
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ioctx.Destroy()
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conn.DeletePool(poolname)
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conn.Shutdown()
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}
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func TestTrashImage(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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poolname := GetUUID()
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err := conn.MakePool(poolname)
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assert.NoError(t, err)
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ioctx, err := conn.OpenIOContext(poolname)
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assert.NoError(t, err)
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name := GetUUID()
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image, err := rbd.Create(ioctx, name, 1<<22, 22)
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assert.NoError(t, err)
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err = image.Trash(time.Hour)
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assert.NoError(t, err)
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trashList, err := rbd.GetTrashList(ioctx)
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assert.NoError(t, err)
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assert.Equal(t, len(trashList), 1, "trashList length equal")
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err = rbd.TrashRestore(ioctx, trashList[0].Id, name+"_restored")
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assert.NoError(t, err)
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image2 := rbd.GetImage(ioctx, name+"_restored")
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err = image2.Trash(time.Hour)
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assert.NoError(t, err)
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trashList, err = rbd.GetTrashList(ioctx)
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assert.NoError(t, err)
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assert.Equal(t, len(trashList), 1, "trashList length equal")
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err = rbd.TrashRemove(ioctx, trashList[0].Id, true)
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assert.NoError(t, err)
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ioctx.Destroy()
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conn.DeletePool(poolname)
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conn.Shutdown()
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}
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