[#2238] engine: Add test for component initialization failures

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
Evgenii Stratonikov 2023-02-06 13:28:29 +03:00 committed by fyrchik
parent 59748b7ae8
commit 5cb2c5ae62

View file

@ -7,16 +7,148 @@ import (
"path/filepath"
"strconv"
"testing"
"time"
"github.com/TrueCloudLab/frostfs-node/pkg/core/object"
"github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor"
meta "github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/metabase"
"github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/pilorama"
"github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
"github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
"github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache"
"github.com/TrueCloudLab/frostfs-node/pkg/util/logger"
cidtest "github.com/TrueCloudLab/frostfs-sdk-go/container/id/test"
"github.com/stretchr/testify/require"
"go.etcd.io/bbolt"
"go.uber.org/zap/zaptest"
)
// TestInitializationFailure checks that shard is initialized and closed even if media
// under any single component is absent. We emulate this with permission denied error.
func TestInitializationFailure(t *testing.T) {
type paths struct {
blobstor string
metabase string
writecache string
pilorama string
}
existsDir := filepath.Join(t.TempDir(), "shard")
badDir := filepath.Join(t.TempDir(), "missing")
testShard := func(c paths) []shard.Option {
sid, err := generateShardID()
require.NoError(t, err)
return []shard.Option{
shard.WithID(sid),
shard.WithLogger(&logger.Logger{Logger: zaptest.NewLogger(t)}),
shard.WithBlobStorOptions(
blobstor.WithStorages(
newStorages(c.blobstor, 1<<20))),
shard.WithMetaBaseOptions(
meta.WithBoltDBOptions(&bbolt.Options{
Timeout: 100 * time.Millisecond,
}),
meta.WithPath(c.metabase),
meta.WithPermissions(0700),
meta.WithEpochState(epochState{})),
shard.WithWriteCache(true),
shard.WithWriteCacheOptions(writecache.WithPath(c.writecache)),
shard.WithPiloramaOptions(pilorama.WithPath(c.pilorama)),
}
}
t.Run("blobstor", func(t *testing.T) {
badDir := filepath.Join(badDir, t.Name())
require.NoError(t, os.MkdirAll(badDir, os.ModePerm))
require.NoError(t, os.Chmod(badDir, 0))
testEngineFailInitAndReload(t, badDir, false, testShard(paths{
blobstor: filepath.Join(badDir, "0"),
metabase: filepath.Join(existsDir, t.Name(), "1"),
writecache: filepath.Join(existsDir, t.Name(), "2"),
pilorama: filepath.Join(existsDir, t.Name(), "3"),
}))
})
t.Run("metabase", func(t *testing.T) {
badDir := filepath.Join(badDir, t.Name())
require.NoError(t, os.MkdirAll(badDir, os.ModePerm))
require.NoError(t, os.Chmod(badDir, 0))
testEngineFailInitAndReload(t, badDir, true, testShard(paths{
blobstor: filepath.Join(existsDir, t.Name(), "0"),
metabase: filepath.Join(badDir, "1"),
writecache: filepath.Join(existsDir, t.Name(), "2"),
pilorama: filepath.Join(existsDir, t.Name(), "3"),
}))
})
t.Run("write-cache", func(t *testing.T) {
badDir := filepath.Join(badDir, t.Name())
require.NoError(t, os.MkdirAll(badDir, os.ModePerm))
require.NoError(t, os.Chmod(badDir, 0))
testEngineFailInitAndReload(t, badDir, false, testShard(paths{
blobstor: filepath.Join(existsDir, t.Name(), "0"),
metabase: filepath.Join(existsDir, t.Name(), "1"),
writecache: filepath.Join(badDir, "2"),
pilorama: filepath.Join(existsDir, t.Name(), "3"),
}))
})
t.Run("pilorama", func(t *testing.T) {
badDir := filepath.Join(badDir, t.Name())
require.NoError(t, os.MkdirAll(badDir, os.ModePerm))
require.NoError(t, os.Chmod(badDir, 0))
testEngineFailInitAndReload(t, badDir, false, testShard(paths{
blobstor: filepath.Join(existsDir, t.Name(), "0"),
metabase: filepath.Join(existsDir, t.Name(), "1"),
writecache: filepath.Join(existsDir, t.Name(), "2"),
pilorama: filepath.Join(badDir, "3"),
}))
})
}
func testEngineFailInitAndReload(t *testing.T, badDir string, errOnAdd bool, s []shard.Option) {
var configID string
e := New()
_, err := e.AddShard(s...)
if errOnAdd {
require.Error(t, err)
// This branch is only taken when we cannot update shard ID in the metabase.
// The id cannot be encountered during normal operation, but it is ok for tests:
// it is only compared for equality with other ids and we have 0 shards here.
configID = "id"
} else {
require.NoError(t, err)
e.mtx.RLock()
var id string
for id = range e.shards {
break
}
configID = calculateShardID(e.shards[id].Shard.DumpInfo())
e.mtx.RUnlock()
err = e.Open()
if err == nil {
require.Error(t, e.Init())
}
}
e.mtx.RLock()
shardCount := len(e.shards)
e.mtx.RUnlock()
require.Equal(t, 0, shardCount)
require.NoError(t, os.Chmod(badDir, os.ModePerm))
require.NoError(t, e.Reload(ReConfiguration{
shards: map[string][]shard.Option{configID: s},
}))
e.mtx.RLock()
shardCount = len(e.shards)
e.mtx.RUnlock()
require.Equal(t, 1, shardCount)
}
func TestExecBlocks(t *testing.T) {
e := testNewEngineWithShardNum(t, 2) // number doesn't matter in this test, 2 is several but not many
t.Cleanup(func() {