frostfs-node/pkg/local_object_storage/metabase/counter_test.go

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package meta_test
import (
"context"
"testing"
objectcore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/testutil"
meta "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/metabase"
objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
oidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id/test"
"github.com/stretchr/testify/require"
)
const objCount = 10
func TestCounters(t *testing.T) {
t.Parallel()
t.Run("defaults", func(t *testing.T) {
t.Parallel()
db := newDB(t)
c, err := db.ObjectCounters()
require.NoError(t, err)
require.Zero(t, c.Phy())
require.Zero(t, c.Logic())
})
t.Run("put", func(t *testing.T) {
t.Parallel()
db := newDB(t)
oo := make([]*objectSDK.Object, 0, objCount)
for i := 0; i < objCount; i++ {
oo = append(oo, testutil.GenerateObject())
}
var prm meta.PutPrm
for i := 0; i < objCount; i++ {
prm.SetObject(oo[i])
_, err := db.Put(context.Background(), prm)
require.NoError(t, err)
c, err := db.ObjectCounters()
require.NoError(t, err)
require.Equal(t, uint64(i+1), c.Phy())
require.Equal(t, uint64(i+1), c.Logic())
}
})
t.Run("delete", func(t *testing.T) {
t.Parallel()
db := newDB(t)
oo := putObjs(t, db, objCount, false)
var prm meta.DeletePrm
for i := objCount - 1; i >= 0; i-- {
prm.SetAddresses(objectcore.AddressOf(oo[i]))
res, err := db.Delete(context.Background(), prm)
require.NoError(t, err)
require.Equal(t, uint64(1), res.AvailableObjectsRemoved())
c, err := db.ObjectCounters()
require.NoError(t, err)
require.Equal(t, uint64(i), c.Phy())
require.Equal(t, uint64(i), c.Logic())
}
})
t.Run("inhume", func(t *testing.T) {
t.Parallel()
db := newDB(t)
oo := putObjs(t, db, objCount, false)
inhumedObjs := make([]oid.Address, objCount/2)
for i, o := range oo {
if i == len(inhumedObjs) {
break
}
inhumedObjs[i] = objectcore.AddressOf(o)
}
var prm meta.InhumePrm
prm.SetTombstoneAddress(oidtest.Address())
prm.SetAddresses(inhumedObjs...)
res, err := db.Inhume(context.Background(), prm)
require.NoError(t, err)
require.Equal(t, uint64(len(inhumedObjs)), res.AvailableInhumed())
c, err := db.ObjectCounters()
require.NoError(t, err)
require.Equal(t, uint64(objCount), c.Phy())
require.Equal(t, uint64(objCount-len(inhumedObjs)), c.Logic())
})
t.Run("put_split", func(t *testing.T) {
t.Parallel()
db := newDB(t)
parObj := testutil.GenerateObject()
// put objects and check that parent info
// does not affect the counter
for i := 0; i < objCount; i++ {
o := testutil.GenerateObject()
if i < objCount/2 { // half of the objs will have the parent
o.SetParent(parObj)
}
require.NoError(t, putBig(db, o))
c, err := db.ObjectCounters()
require.NoError(t, err)
require.Equal(t, uint64(i+1), c.Phy())
require.Equal(t, uint64(i+1), c.Logic())
}
})
t.Run("delete_split", func(t *testing.T) {
t.Parallel()
db := newDB(t)
oo := putObjs(t, db, objCount, true)
// delete objects that have parent info
// and check that it does not affect
// the counter
for i, o := range oo {
require.NoError(t, metaDelete(db, objectcore.AddressOf(o)))
c, err := db.ObjectCounters()
require.NoError(t, err)
require.Equal(t, uint64(objCount-i-1), c.Phy())
require.Equal(t, uint64(objCount-i-1), c.Logic())
}
})
t.Run("inhume_split", func(t *testing.T) {
t.Parallel()
db := newDB(t)
oo := putObjs(t, db, objCount, true)
inhumedObjs := make([]oid.Address, objCount/2)
for i, o := range oo {
if i == len(inhumedObjs) {
break
}
inhumedObjs[i] = objectcore.AddressOf(o)
}
var prm meta.InhumePrm
prm.SetTombstoneAddress(oidtest.Address())
prm.SetAddresses(inhumedObjs...)
_, err := db.Inhume(context.Background(), prm)
require.NoError(t, err)
c, err := db.ObjectCounters()
require.NoError(t, err)
require.Equal(t, uint64(objCount), c.Phy())
require.Equal(t, uint64(objCount-len(inhumedObjs)), c.Logic())
})
}
func TestCounters_Expired(t *testing.T) {
// That test is about expired objects without
// GCMark yet. Such objects should be treated as
// logically available: decrementing logic counter
// should be done explicitly and only in `Delete`
// and `Inhume` operations, otherwise, it would be
// impossible to maintain logic counter.
const epoch = 123
es := &epochState{epoch}
db := newDB(t, meta.WithEpochState(es))
oo := make([]oid.Address, objCount)
for i := range oo {
oo[i] = putWithExpiration(t, db, objectSDK.TypeRegular, epoch+1)
}
// 1. objects are available and counters are correct
c, err := db.ObjectCounters()
require.NoError(t, err)
require.Equal(t, uint64(objCount), c.Phy())
require.Equal(t, uint64(objCount), c.Logic())
for _, o := range oo {
_, err := metaGet(db, o, true)
require.NoError(t, err)
}
// 2. objects are expired, not available but logic counter
// is the same
es.e = epoch + 2
c, err = db.ObjectCounters()
require.NoError(t, err)
require.Equal(t, uint64(objCount), c.Phy())
require.Equal(t, uint64(objCount), c.Logic())
for _, o := range oo {
_, err := metaGet(db, o, true)
require.ErrorIs(t, err, meta.ErrObjectIsExpired)
}
// 3. inhuming an expired object with GCMark (like it would
// the GC do) should decrease the logic counter despite the
// expiration fact
var inhumePrm meta.InhumePrm
inhumePrm.SetGCMark()
inhumePrm.SetAddresses(oo[0])
inhumeRes, err := db.Inhume(context.Background(), inhumePrm)
require.NoError(t, err)
require.Equal(t, uint64(1), inhumeRes.AvailableInhumed())
c, err = db.ObjectCounters()
require.NoError(t, err)
require.Equal(t, uint64(len(oo)), c.Phy())
require.Equal(t, uint64(len(oo)-1), c.Logic())
// 4. `Delete` an object with GCMark should decrease the
// phy counter but does not affect the logic counter (after
// that step they should be equal)
var deletePrm meta.DeletePrm
deletePrm.SetAddresses(oo[0])
deleteRes, err := db.Delete(context.Background(), deletePrm)
require.NoError(t, err)
require.Zero(t, deleteRes.AvailableObjectsRemoved())
oo = oo[1:]
c, err = db.ObjectCounters()
require.NoError(t, err)
require.Equal(t, uint64(len(oo)), c.Phy())
require.Equal(t, uint64(len(oo)), c.Logic())
// 5 `Delete` an expired object (like it would the control
// service do) should decrease both counters despite the
// expiration fact
deletePrm.SetAddresses(oo[0])
deleteRes, err = db.Delete(context.Background(), deletePrm)
require.NoError(t, err)
require.Equal(t, uint64(1), deleteRes.AvailableObjectsRemoved())
oo = oo[1:]
c, err = db.ObjectCounters()
require.NoError(t, err)
require.Equal(t, uint64(len(oo)), c.Phy())
require.Equal(t, uint64(len(oo)), c.Logic())
}
func putObjs(t *testing.T, db *meta.DB, count int, withParent bool) []*objectSDK.Object {
var prm meta.PutPrm
var err error
parent := testutil.GenerateObject()
oo := make([]*objectSDK.Object, 0, count)
for i := 0; i < count; i++ {
o := testutil.GenerateObject()
if withParent {
o.SetParent(parent)
}
oo = append(oo, o)
prm.SetObject(o)
_, err = db.Put(context.Background(), prm)
require.NoError(t, err)
c, err := db.ObjectCounters()
require.NoError(t, err)
require.Equal(t, uint64(i+1), c.Phy())
require.Equal(t, uint64(i+1), c.Logic())
}
return oo
}