go-ceph/rbd/features_test.go

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package rbd
import (
"sort"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestGetFeatures(t *testing.T) {
conn := radosConnect(t)
require.NotNil(t, conn)
defer conn.Shutdown()
poolname := GetUUID()
err := conn.MakePool(poolname)
require.NoError(t, err)
defer conn.DeletePool(poolname)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
defer ioctx.Destroy()
name := GetUUID()
options := NewRbdImageOptions()
err = options.SetUint64(ImageOptionFeatures, FeatureLayering|FeatureStripingV2)
require.NoError(t, err)
// FeatureStripingV2 only works with additional arguments
err = options.SetUint64(ImageOptionStripeUnit, 1024*1024)
require.NoError(t, err)
err = options.SetUint64(ImageOptionStripeCount, 4)
require.NoError(t, err)
err = CreateImage(ioctx, name, 16*1024*1024, options)
require.NoError(t, err)
defer func() { assert.NoError(t, RemoveImage(ioctx, name)) }()
image, err := OpenImageReadOnly(ioctx, name, NoSnapshot)
assert.NoError(t, err)
defer func() { assert.NoError(t, image.Close()) }()
features, err := image.GetFeatures()
assert.NoError(t, err)
t.Run("compareBits", func(t *testing.T) {
hasLayering := (features & FeatureLayering) == FeatureLayering
hasStripingV2 := (features & FeatureStripingV2) == FeatureStripingV2
assert.True(t, hasLayering, "FeatureLayering is not set")
assert.True(t, hasStripingV2, "FeatureStripingV2 is not set")
})
t.Run("compareFeatureSet", func(t *testing.T) {
fs := FeatureSet(features)
assert.Contains(t, fs.Names(), FeatureNameLayering)
assert.Contains(t, fs.Names(), FeatureNameStripingV2)
})
}
func TestFeatureSet(t *testing.T) {
fsBits := FeatureSet(FeatureExclusiveLock | FeatureDeepFlatten)
fsNames := FeatureSetFromNames([]string{FeatureNameExclusiveLock, FeatureNameDeepFlatten})
assert.Equal(t, fsBits, fsNames)
fsBitsSorted := fsBits.Names()
sort.Strings(fsBitsSorted)
fsNamesSorted := fsNames.Names()
sort.Strings(fsNamesSorted)
assert.Equal(t, fsBitsSorted, fsNamesSorted)
}
func TestUpdateFeatures(t *testing.T) {
conn := radosConnect(t)
require.NotNil(t, conn)
defer conn.Shutdown()
poolname := GetUUID()
err := conn.MakePool(poolname)
require.NoError(t, err)
defer conn.DeletePool(poolname)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
defer ioctx.Destroy()
name := GetUUID()
options := NewRbdImageOptions()
// test with FeatureExclusiveLock as that is mutable
err = options.SetUint64(ImageOptionFeatures, FeatureExclusiveLock)
require.NoError(t, err)
err = CreateImage(ioctx, name, 16*1024*1024, options)
require.NoError(t, err)
defer func() { assert.NoError(t, RemoveImage(ioctx, name)) }()
image, err := OpenImage(ioctx, name, NoSnapshot)
require.NoError(t, err)
defer func() { assert.NoError(t, image.Close()) }()
t.Run("imageNotOpen", func(t *testing.T) {
img, err := OpenImageReadOnly(ioctx, name, NoSnapshot)
require.NoError(t, err)
require.NotNil(t, img)
err = img.Close()
require.NoError(t, err)
err = img.UpdateFeatures(FeatureExclusiveLock, false)
assert.Equal(t, err, ErrImageNotOpen)
})
t.Run("verifyFeatureEnabled", func(t *testing.T) {
features, err := image.GetFeatures()
require.NoError(t, err)
hasExclusiveLock := (features & FeatureExclusiveLock) == FeatureExclusiveLock
require.True(t, hasExclusiveLock, "FeatureExclusiveLock is not set")
})
t.Run("disableFeature", func(t *testing.T) {
err = image.UpdateFeatures(FeatureExclusiveLock, false)
require.NoError(t, err)
features, err := image.GetFeatures()
require.NoError(t, err)
hasExclusiveLock := (features & FeatureExclusiveLock) == FeatureExclusiveLock
require.False(t, hasExclusiveLock, "FeatureExclusiveLock is set")
})
t.Run("enableFeature", func(t *testing.T) {
err = image.UpdateFeatures(FeatureExclusiveLock, true)
require.NoError(t, err)
features, err := image.GetFeatures()
require.NoError(t, err)
hasExclusiveLock := (features & FeatureExclusiveLock) == FeatureExclusiveLock
require.True(t, hasExclusiveLock, "FeatureExclusiveLock is not set")
})
}