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* Introduce testEngineWrapper that can be constructed with different options Signed-off-by: Airat Arifullin a.arifullin@yadro.com
232 lines
6.5 KiB
Go
232 lines
6.5 KiB
Go
package engine
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import (
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"context"
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"strconv"
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"testing"
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objectCore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/fstree"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/testutil"
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meta "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/metabase"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
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cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
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objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
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oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
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"github.com/stretchr/testify/require"
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"go.uber.org/zap/zaptest"
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)
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func newEngineEvacuate(t *testing.T, shardNum int, objPerShard int) (*StorageEngine, []*shard.ID, []*objectSDK.Object) {
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dir, err := os.MkdirTemp("", "*")
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require.NoError(t, err)
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t.Cleanup(func() { _ = os.RemoveAll(dir) })
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te := testNewEngine(t, WithShardPoolSize(1)).
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setShardsNumOpts(t, shardNum, func(id int) []shard.Option {
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return []shard.Option{
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shard.WithLogger(&logger.Logger{Logger: zaptest.NewLogger(t)}),
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shard.WithBlobStorOptions(
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blobstor.WithStorages([]blobstor.SubStorage{{
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Storage: fstree.New(
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fstree.WithPath(filepath.Join(dir, strconv.Itoa(id))),
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fstree.WithDepth(1)),
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}})),
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shard.WithMetaBaseOptions(
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meta.WithPath(filepath.Join(dir, fmt.Sprintf("%d.metabase", id))),
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meta.WithPermissions(0700),
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meta.WithEpochState(epochState{})),
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}
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})
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e, ids := te.engine, te.shardIDs
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require.NoError(t, e.Open())
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require.NoError(t, e.Init(context.Background()))
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objects := make([]*objectSDK.Object, 0, objPerShard*len(ids))
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for _, sh := range ids {
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obj := testutil.GenerateObjectWithCID(cidtest.ID())
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objects = append(objects, obj)
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var putPrm shard.PutPrm
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putPrm.SetObject(obj)
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_, err := e.shards[sh.String()].Put(putPrm)
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require.NoError(t, err)
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}
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for i := 0; ; i++ {
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objects = append(objects, testutil.GenerateObjectWithCID(cidtest.ID()))
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var putPrm PutPrm
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putPrm.WithObject(objects[len(objects)-1])
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_, err := e.Put(putPrm)
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require.NoError(t, err)
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res, err := e.shards[ids[len(ids)-1].String()].List()
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require.NoError(t, err)
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if len(res.AddressList()) == objPerShard {
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break
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}
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}
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return e, ids, objects
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}
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func TestEvacuateShard(t *testing.T) {
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const objPerShard = 3
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e, ids, objects := newEngineEvacuate(t, 3, objPerShard)
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evacuateShardID := ids[2].String()
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checkHasObjects := func(t *testing.T) {
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for i := range objects {
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var prm GetPrm
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prm.WithAddress(objectCore.AddressOf(objects[i]))
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_, err := e.Get(prm)
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require.NoError(t, err)
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}
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}
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checkHasObjects(t)
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var prm EvacuateShardPrm
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prm.WithShardIDList(ids[2:3])
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t.Run("must be read-only", func(t *testing.T) {
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res, err := e.Evacuate(prm)
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require.ErrorIs(t, err, shard.ErrMustBeReadOnly)
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require.Equal(t, 0, res.Count())
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})
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require.NoError(t, e.shards[evacuateShardID].SetMode(mode.ReadOnly))
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res, err := e.Evacuate(prm)
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require.NoError(t, err)
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require.Equal(t, objPerShard, res.count)
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// We check that all objects are available both before and after shard removal.
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// First case is a real-world use-case. It ensures that an object can be put in presense
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// of all metabase checks/marks.
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// Second case ensures that all objects are indeed moved and available.
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checkHasObjects(t)
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// Calling it again is OK, but all objects are already moved, so no new PUTs should be done.
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res, err = e.Evacuate(prm)
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require.NoError(t, err)
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require.Equal(t, 0, res.count)
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checkHasObjects(t)
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e.mtx.Lock()
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delete(e.shards, evacuateShardID)
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delete(e.shardPools, evacuateShardID)
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e.mtx.Unlock()
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checkHasObjects(t)
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}
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func TestEvacuateNetwork(t *testing.T) {
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var errReplication = errors.New("handler error")
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acceptOneOf := func(objects []*objectSDK.Object, max int) func(oid.Address, *objectSDK.Object) error {
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var n int
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return func(addr oid.Address, obj *objectSDK.Object) error {
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if n == max {
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return errReplication
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}
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n++
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for i := range objects {
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if addr == objectCore.AddressOf(objects[i]) {
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require.Equal(t, objects[i], obj)
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return nil
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}
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}
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require.FailNow(t, "handler was called with an unexpected object: %s", addr)
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panic("unreachable")
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}
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}
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t.Run("single shard", func(t *testing.T) {
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e, ids, objects := newEngineEvacuate(t, 1, 3)
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evacuateShardID := ids[0].String()
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require.NoError(t, e.shards[evacuateShardID].SetMode(mode.ReadOnly))
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var prm EvacuateShardPrm
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prm.shardID = ids[0:1]
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res, err := e.Evacuate(prm)
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require.ErrorIs(t, err, errMustHaveTwoShards)
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require.Equal(t, 0, res.Count())
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prm.handler = acceptOneOf(objects, 2)
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res, err = e.Evacuate(prm)
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require.ErrorIs(t, err, errReplication)
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require.Equal(t, 2, res.Count())
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})
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t.Run("multiple shards, evacuate one", func(t *testing.T) {
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e, ids, objects := newEngineEvacuate(t, 2, 3)
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require.NoError(t, e.shards[ids[0].String()].SetMode(mode.ReadOnly))
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require.NoError(t, e.shards[ids[1].String()].SetMode(mode.ReadOnly))
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var prm EvacuateShardPrm
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prm.shardID = ids[1:2]
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prm.handler = acceptOneOf(objects, 2)
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res, err := e.Evacuate(prm)
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require.ErrorIs(t, err, errReplication)
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require.Equal(t, 2, res.Count())
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t.Run("no errors", func(t *testing.T) {
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prm.handler = acceptOneOf(objects, 3)
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res, err := e.Evacuate(prm)
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require.NoError(t, err)
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require.Equal(t, 3, res.Count())
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})
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})
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t.Run("multiple shards, evacuate many", func(t *testing.T) {
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e, ids, objects := newEngineEvacuate(t, 4, 5)
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evacuateIDs := ids[0:3]
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var totalCount int
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for i := range evacuateIDs {
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res, err := e.shards[ids[i].String()].List()
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require.NoError(t, err)
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totalCount += len(res.AddressList())
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}
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for i := range ids {
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require.NoError(t, e.shards[ids[i].String()].SetMode(mode.ReadOnly))
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}
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var prm EvacuateShardPrm
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prm.shardID = evacuateIDs
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prm.handler = acceptOneOf(objects, totalCount-1)
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res, err := e.Evacuate(prm)
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require.ErrorIs(t, err, errReplication)
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require.Equal(t, totalCount-1, res.Count())
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t.Run("no errors", func(t *testing.T) {
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prm.handler = acceptOneOf(objects, totalCount)
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res, err := e.Evacuate(prm)
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require.NoError(t, err)
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require.Equal(t, totalCount, res.Count())
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})
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})
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}
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