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[#1549] shard: Turn to read-only mode on metabase failure

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If metabase can't be opened in the default mode, try opening shard
first in `ReadOnly` mode and then in `DegradedReadOnly`.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2022-06-27 11:06:01 +03:00 • committed by fyrchik
parent 4944490ffb
commit fabe717d32
3 changed files with 122 additions and 12 deletions
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49
pkg/local_object_storage/shard/control_test.go
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@ -10,6 +10,8 @@ import (
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/fstree"
meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/pilorama"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard/mode"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/writecache"
apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
cidtest "github.com/nspcc-dev/neofs-sdk-go/container/id/test"
@ -18,8 +20,55 @@ import (
oidtest "github.com/nspcc-dev/neofs-sdk-go/object/id/test"
objecttest "github.com/nspcc-dev/neofs-sdk-go/object/test"
"github.com/stretchr/testify/require"
"go.uber.org/zap/zaptest"
)
func TestShardOpen(t *testing.T) {
dir := t.TempDir()
metaPath := filepath.Join(dir, "meta")
newShard := func() *Shard {
return New(
WithLogger(zaptest.NewLogger(t)),
WithBlobStorOptions(
blobstor.WithRootPath(filepath.Join(dir, "blob")),
blobstor.WithShallowDepth(1),
blobstor.WithSmallSizeLimit(1),
blobstor.WithBlobovniczaShallowWidth(1),
blobstor.WithBlobovniczaShallowDepth(1)),
WithMetaBaseOptions(meta.WithPath(metaPath)),
WithPiloramaOptions(
pilorama.WithPath(filepath.Join(dir, "pilorama"))),
WithWriteCache(true),
WithWriteCacheOptions(
writecache.WithPath(filepath.Join(dir, "wc"))))
}
sh := newShard()
require.NoError(t, sh.Open())
require.NoError(t, sh.Init())
require.Equal(t, mode.ReadWrite, sh.GetMode())
require.NoError(t, sh.Close())
// Metabase can be opened in read-only => start in ReadOnly mode.
require.NoError(t, os.Chmod(metaPath, 0444))
sh = newShard()
require.NoError(t, sh.Open())
require.NoError(t, sh.Init())
require.Equal(t, mode.ReadOnly, sh.GetMode())
require.Error(t, sh.SetMode(mode.ReadWrite))
require.Equal(t, mode.ReadOnly, sh.GetMode())
require.NoError(t, sh.Close())
// Metabase is corrupted => start in DegradedReadOnly mode.
require.NoError(t, os.Chmod(metaPath, 0000))
sh = newShard()
require.NoError(t, sh.Open())
require.NoError(t, sh.Init())
require.Equal(t, mode.DegradedReadOnly, sh.GetMode())
require.NoError(t, sh.Close())
}
func TestRefillMetabaseCorrupted(t *testing.T) {
dir := t.TempDir()