storj/satellite/metabase/commit.go
Egon Elbre f2eb6942c5 satellite/metabase: make the precommit constraint code nicer
This condenses the precommit constraint into a single function, which
allows to cleanup a bunch of logic elsewhere. Also, avoid delete in the
first place when we are not allowed to remove the uncommited object.

This also fixes submitting the metrics and now it submits the correct
metrics.

Change-Id: If91dfa3b19bce5b24ff2a19d7c34b57a200db1dd
2023-10-31 18:10:09 +00:00

887 lines
28 KiB
Go

// Copyright (C) 2020 Storj Labs, Inc.
// See LICENSE for copying information.
package metabase
import (
"context"
"database/sql"
"errors"
"time"
pgxerrcode "github.com/jackc/pgerrcode"
"github.com/zeebo/errs"
"storj.io/common/memory"
"storj.io/common/storj"
"storj.io/private/dbutil/pgutil/pgerrcode"
"storj.io/private/dbutil/txutil"
"storj.io/private/tagsql"
)
// we need to disable PlainSize validation for old uplinks.
const validatePlainSize = false
const defaultZombieDeletionPeriod = 24 * time.Hour
var (
// ErrObjectNotFound is used to indicate that the object does not exist.
ErrObjectNotFound = errs.Class("object not found")
// ErrInvalidRequest is used to indicate invalid requests.
ErrInvalidRequest = errs.Class("metabase: invalid request")
// ErrFailedPrecondition is used to indicate that some conditions in the request has failed.
ErrFailedPrecondition = errs.Class("metabase: failed precondition")
// ErrConflict is used to indicate conflict with the request.
ErrConflict = errs.Class("metabase: conflict")
)
// BeginObjectNextVersion contains arguments necessary for starting an object upload.
type BeginObjectNextVersion struct {
ObjectStream
ExpiresAt *time.Time
ZombieDeletionDeadline *time.Time
EncryptedMetadata []byte // optional
EncryptedMetadataNonce []byte // optional
EncryptedMetadataEncryptedKey []byte // optional
Encryption storj.EncryptionParameters
// UsePendingObjectsTable was added to options not metabase configuration
// to be able to test scenarios with pending object in pending_objects and
// objects table with the same test case.
UsePendingObjectsTable bool
}
// Verify verifies get object request fields.
func (opts *BeginObjectNextVersion) Verify() error {
if err := opts.ObjectStream.Verify(); err != nil {
return err
}
if opts.Version != NextVersion {
return ErrInvalidRequest.New("Version should be metabase.NextVersion")
}
if opts.EncryptedMetadata == nil && (opts.EncryptedMetadataNonce != nil || opts.EncryptedMetadataEncryptedKey != nil) {
return ErrInvalidRequest.New("EncryptedMetadataNonce and EncryptedMetadataEncryptedKey must be not set if EncryptedMetadata is not set")
} else if opts.EncryptedMetadata != nil && (opts.EncryptedMetadataNonce == nil || opts.EncryptedMetadataEncryptedKey == nil) {
return ErrInvalidRequest.New("EncryptedMetadataNonce and EncryptedMetadataEncryptedKey must be set if EncryptedMetadata is set")
}
return nil
}
// BeginObjectNextVersion adds a pending object to the database, with automatically assigned version.
// TODO at the end of transition to pending_objects table we can rename this metod to just BeginObject.
func (db *DB) BeginObjectNextVersion(ctx context.Context, opts BeginObjectNextVersion) (object Object, err error) {
defer mon.Task()(&ctx)(&err)
if err := opts.Verify(); err != nil {
return Object{}, err
}
if opts.ZombieDeletionDeadline == nil {
deadline := time.Now().Add(defaultZombieDeletionPeriod)
opts.ZombieDeletionDeadline = &deadline
}
object = Object{
ObjectStream: ObjectStream{
ProjectID: opts.ProjectID,
BucketName: opts.BucketName,
ObjectKey: opts.ObjectKey,
StreamID: opts.StreamID,
},
ExpiresAt: opts.ExpiresAt,
Encryption: opts.Encryption,
ZombieDeletionDeadline: opts.ZombieDeletionDeadline,
}
if opts.UsePendingObjectsTable {
object.Status = Pending
object.Version = PendingVersion
if err := db.db.QueryRowContext(ctx, `
INSERT INTO pending_objects (
project_id, bucket_name, object_key, stream_id,
expires_at, encryption,
zombie_deletion_deadline,
encrypted_metadata, encrypted_metadata_nonce, encrypted_metadata_encrypted_key
) VALUES (
$1, $2, $3, $4,
$5, $6,
$7,
$8, $9, $10)
RETURNING created_at
`, opts.ProjectID, []byte(opts.BucketName), opts.ObjectKey, opts.StreamID,
opts.ExpiresAt, encryptionParameters{&opts.Encryption},
opts.ZombieDeletionDeadline,
opts.EncryptedMetadata, opts.EncryptedMetadataNonce, opts.EncryptedMetadataEncryptedKey,
).Scan(&object.CreatedAt); err != nil {
if code := pgerrcode.FromError(err); code == pgxerrcode.UniqueViolation {
return Object{}, Error.Wrap(ErrObjectAlreadyExists.New(""))
}
return Object{}, Error.New("unable to insert object: %w", err)
}
} else {
if err := db.db.QueryRowContext(ctx, `
INSERT INTO objects (
project_id, bucket_name, object_key, version, stream_id,
expires_at, encryption,
zombie_deletion_deadline,
encrypted_metadata, encrypted_metadata_nonce, encrypted_metadata_encrypted_key
) VALUES (
$1, $2, $3,
coalesce((
SELECT version + 1
FROM objects
WHERE (project_id, bucket_name, object_key) = ($1, $2, $3)
ORDER BY version DESC
LIMIT 1
), 1),
$4, $5, $6,
$7,
$8, $9, $10)
RETURNING status, version, created_at
`, opts.ProjectID, []byte(opts.BucketName), opts.ObjectKey, opts.StreamID,
opts.ExpiresAt, encryptionParameters{&opts.Encryption},
opts.ZombieDeletionDeadline,
opts.EncryptedMetadata, opts.EncryptedMetadataNonce, opts.EncryptedMetadataEncryptedKey,
).Scan(&object.Status, &object.Version, &object.CreatedAt); err != nil {
return Object{}, Error.New("unable to insert object: %w", err)
}
}
mon.Meter("object_begin").Mark(1)
return object, nil
}
// BeginObjectExactVersion contains arguments necessary for starting an object upload.
type BeginObjectExactVersion struct {
ObjectStream
ExpiresAt *time.Time
ZombieDeletionDeadline *time.Time
EncryptedMetadata []byte // optional
EncryptedMetadataNonce []byte // optional
EncryptedMetadataEncryptedKey []byte // optional
Encryption storj.EncryptionParameters
}
// Verify verifies get object reqest fields.
func (opts *BeginObjectExactVersion) Verify() error {
if err := opts.ObjectStream.Verify(); err != nil {
return err
}
if opts.Version == NextVersion {
return ErrInvalidRequest.New("Version should not be metabase.NextVersion")
}
if opts.EncryptedMetadata == nil && (opts.EncryptedMetadataNonce != nil || opts.EncryptedMetadataEncryptedKey != nil) {
return ErrInvalidRequest.New("EncryptedMetadataNonce and EncryptedMetadataEncryptedKey must be not set if EncryptedMetadata is not set")
} else if opts.EncryptedMetadata != nil && (opts.EncryptedMetadataNonce == nil || opts.EncryptedMetadataEncryptedKey == nil) {
return ErrInvalidRequest.New("EncryptedMetadataNonce and EncryptedMetadataEncryptedKey must be set if EncryptedMetadata is set")
}
return nil
}
// TestingBeginObjectExactVersion adds a pending object to the database, with specific version.
func (db *DB) TestingBeginObjectExactVersion(ctx context.Context, opts BeginObjectExactVersion) (committed Object, err error) {
defer mon.Task()(&ctx)(&err)
if err := opts.Verify(); err != nil {
return Object{}, err
}
if opts.ZombieDeletionDeadline == nil {
deadline := time.Now().Add(defaultZombieDeletionPeriod)
opts.ZombieDeletionDeadline = &deadline
}
object := Object{
ObjectStream: ObjectStream{
ProjectID: opts.ProjectID,
BucketName: opts.BucketName,
ObjectKey: opts.ObjectKey,
Version: opts.Version,
StreamID: opts.StreamID,
},
ExpiresAt: opts.ExpiresAt,
Encryption: opts.Encryption,
ZombieDeletionDeadline: opts.ZombieDeletionDeadline,
}
err = db.db.QueryRowContext(ctx, `
INSERT INTO objects (
project_id, bucket_name, object_key, version, stream_id,
expires_at, encryption,
zombie_deletion_deadline,
encrypted_metadata, encrypted_metadata_nonce, encrypted_metadata_encrypted_key
) VALUES (
$1, $2, $3, $4, $5,
$6, $7,
$8,
$9, $10, $11
)
RETURNING status, created_at
`, opts.ProjectID, []byte(opts.BucketName), opts.ObjectKey, opts.Version, opts.StreamID,
opts.ExpiresAt, encryptionParameters{&opts.Encryption},
opts.ZombieDeletionDeadline,
opts.EncryptedMetadata, opts.EncryptedMetadataNonce, opts.EncryptedMetadataEncryptedKey,
).Scan(
&object.Status, &object.CreatedAt,
)
if err != nil {
if code := pgerrcode.FromError(err); code == pgxerrcode.UniqueViolation {
return Object{}, Error.Wrap(ErrObjectAlreadyExists.New(""))
}
return Object{}, Error.New("unable to insert object: %w", err)
}
mon.Meter("object_begin").Mark(1)
return object, nil
}
// BeginSegment contains options to verify, whether a new segment upload can be started.
type BeginSegment struct {
ObjectStream
Position SegmentPosition
// TODO: unused field, can remove
RootPieceID storj.PieceID
Pieces Pieces
UsePendingObjectsTable bool
}
// BeginSegment verifies, whether a new segment upload can be started.
func (db *DB) BeginSegment(ctx context.Context, opts BeginSegment) (err error) {
defer mon.Task()(&ctx)(&err)
if err := opts.ObjectStream.Verify(); err != nil {
return err
}
if err := opts.Pieces.Verify(); err != nil {
return err
}
if opts.RootPieceID.IsZero() {
return ErrInvalidRequest.New("RootPieceID missing")
}
// NOTE: this isn't strictly necessary, since we can also fail this in CommitSegment.
// however, we should prevent creating segements for non-partial objects.
// Verify that object exists and is partial.
var exists bool
if opts.UsePendingObjectsTable {
err = db.db.QueryRowContext(ctx, `
SELECT EXISTS (
SELECT 1
FROM pending_objects
WHERE (project_id, bucket_name, object_key, stream_id) = ($1, $2, $3, $4)
)
`, opts.ProjectID, []byte(opts.BucketName), opts.ObjectKey, opts.StreamID).Scan(&exists)
} else {
err = db.db.QueryRowContext(ctx, `
SELECT EXISTS (
SELECT 1
FROM objects
WHERE (project_id, bucket_name, object_key, version, stream_id) = ($1, $2, $3, $4, $5) AND
status = `+statusPending+`
)`,
opts.ProjectID, []byte(opts.BucketName), opts.ObjectKey, opts.Version, opts.StreamID).Scan(&exists)
}
if err != nil {
return Error.New("unable to query object status: %w", err)
}
if !exists {
return ErrPendingObjectMissing.New("")
}
mon.Meter("segment_begin").Mark(1)
return nil
}
// CommitSegment contains all necessary information about the segment.
type CommitSegment struct {
ObjectStream
Position SegmentPosition
RootPieceID storj.PieceID
ExpiresAt *time.Time
EncryptedKeyNonce []byte
EncryptedKey []byte
PlainOffset int64 // offset in the original data stream
PlainSize int32 // size before encryption
EncryptedSize int32 // segment size after encryption
EncryptedETag []byte
Redundancy storj.RedundancyScheme
Pieces Pieces
Placement storj.PlacementConstraint
UsePendingObjectsTable bool
}
// CommitSegment commits segment to the database.
func (db *DB) CommitSegment(ctx context.Context, opts CommitSegment) (err error) {
defer mon.Task()(&ctx)(&err)
if err := opts.ObjectStream.Verify(); err != nil {
return err
}
if err := opts.Pieces.Verify(); err != nil {
return err
}
switch {
case opts.RootPieceID.IsZero():
return ErrInvalidRequest.New("RootPieceID missing")
case len(opts.EncryptedKey) == 0:
return ErrInvalidRequest.New("EncryptedKey missing")
case len(opts.EncryptedKeyNonce) == 0:
return ErrInvalidRequest.New("EncryptedKeyNonce missing")
case opts.EncryptedSize <= 0:
return ErrInvalidRequest.New("EncryptedSize negative or zero")
case opts.PlainSize <= 0 && validatePlainSize:
return ErrInvalidRequest.New("PlainSize negative or zero")
case opts.PlainOffset < 0:
return ErrInvalidRequest.New("PlainOffset negative")
case opts.Redundancy.IsZero():
return ErrInvalidRequest.New("Redundancy zero")
}
if len(opts.Pieces) < int(opts.Redundancy.OptimalShares) {
return ErrInvalidRequest.New("number of pieces is less than redundancy optimal shares value")
}
aliasPieces, err := db.aliasCache.EnsurePiecesToAliases(ctx, opts.Pieces)
if err != nil {
return Error.New("unable to convert pieces to aliases: %w", err)
}
// second part will be removed when there will be no pending_objects in objects table.
// Verify that object exists and is partial.
if opts.UsePendingObjectsTable {
_, err = db.db.ExecContext(ctx, `
INSERT INTO segments (
stream_id, position, expires_at,
root_piece_id, encrypted_key_nonce, encrypted_key,
encrypted_size, plain_offset, plain_size, encrypted_etag,
redundancy,
remote_alias_pieces,
placement
) VALUES (
(
SELECT stream_id
FROM pending_objects
WHERE (project_id, bucket_name, object_key, stream_id) = ($12, $13, $14, $15)
), $1, $2,
$3, $4, $5,
$6, $7, $8, $9,
$10,
$11,
$16
)
ON CONFLICT(stream_id, position)
DO UPDATE SET
expires_at = $2,
root_piece_id = $3, encrypted_key_nonce = $4, encrypted_key = $5,
encrypted_size = $6, plain_offset = $7, plain_size = $8, encrypted_etag = $9,
redundancy = $10,
remote_alias_pieces = $11,
placement = $16
`, opts.Position, opts.ExpiresAt,
opts.RootPieceID, opts.EncryptedKeyNonce, opts.EncryptedKey,
opts.EncryptedSize, opts.PlainOffset, opts.PlainSize, opts.EncryptedETag,
redundancyScheme{&opts.Redundancy},
aliasPieces,
opts.ProjectID, []byte(opts.BucketName), opts.ObjectKey, opts.StreamID,
opts.Placement,
)
} else {
_, err = db.db.ExecContext(ctx, `
INSERT INTO segments (
stream_id, position, expires_at,
root_piece_id, encrypted_key_nonce, encrypted_key,
encrypted_size, plain_offset, plain_size, encrypted_etag,
redundancy,
remote_alias_pieces,
placement
) VALUES (
(
SELECT stream_id
FROM objects
WHERE (project_id, bucket_name, object_key, version, stream_id) = ($12, $13, $14, $15, $16) AND
status = `+statusPending+`
), $1, $2,
$3, $4, $5,
$6, $7, $8, $9,
$10,
$11,
$17
)
ON CONFLICT(stream_id, position)
DO UPDATE SET
expires_at = $2,
root_piece_id = $3, encrypted_key_nonce = $4, encrypted_key = $5,
encrypted_size = $6, plain_offset = $7, plain_size = $8, encrypted_etag = $9,
redundancy = $10,
remote_alias_pieces = $11,
placement = $17
`, opts.Position, opts.ExpiresAt,
opts.RootPieceID, opts.EncryptedKeyNonce, opts.EncryptedKey,
opts.EncryptedSize, opts.PlainOffset, opts.PlainSize, opts.EncryptedETag,
redundancyScheme{&opts.Redundancy},
aliasPieces,
opts.ProjectID, []byte(opts.BucketName), opts.ObjectKey, opts.Version, opts.StreamID,
opts.Placement,
)
}
if err != nil {
if code := pgerrcode.FromError(err); code == pgxerrcode.NotNullViolation {
return ErrPendingObjectMissing.New("")
}
return Error.New("unable to insert segment: %w", err)
}
mon.Meter("segment_commit").Mark(1)
mon.IntVal("segment_commit_encrypted_size").Observe(int64(opts.EncryptedSize))
return nil
}
// CommitInlineSegment contains all necessary information about the segment.
type CommitInlineSegment struct {
ObjectStream
Position SegmentPosition
ExpiresAt *time.Time
EncryptedKeyNonce []byte
EncryptedKey []byte
PlainOffset int64 // offset in the original data stream
PlainSize int32 // size before encryption
EncryptedETag []byte
InlineData []byte
UsePendingObjectsTable bool
}
// CommitInlineSegment commits inline segment to the database.
func (db *DB) CommitInlineSegment(ctx context.Context, opts CommitInlineSegment) (err error) {
defer mon.Task()(&ctx)(&err)
if err := opts.ObjectStream.Verify(); err != nil {
return err
}
// TODO: do we have a lower limit for inline data?
// TODO should we move check for max inline segment from metainfo here
switch {
case len(opts.EncryptedKey) == 0:
return ErrInvalidRequest.New("EncryptedKey missing")
case len(opts.EncryptedKeyNonce) == 0:
return ErrInvalidRequest.New("EncryptedKeyNonce missing")
case opts.PlainSize <= 0 && validatePlainSize:
return ErrInvalidRequest.New("PlainSize negative or zero")
case opts.PlainOffset < 0:
return ErrInvalidRequest.New("PlainOffset negative")
}
if opts.UsePendingObjectsTable {
_, err = db.db.ExecContext(ctx, `
INSERT INTO segments (
stream_id, position, expires_at,
root_piece_id, encrypted_key_nonce, encrypted_key,
encrypted_size, plain_offset, plain_size, encrypted_etag,
inline_data
) VALUES (
(
SELECT stream_id
FROM pending_objects
WHERE (project_id, bucket_name, object_key, stream_id) = ($11, $12, $13, $14)
), $1, $2,
$3, $4, $5,
$6, $7, $8, $9,
$10
)
ON CONFLICT(stream_id, position)
DO UPDATE SET
expires_at = $2,
root_piece_id = $3, encrypted_key_nonce = $4, encrypted_key = $5,
encrypted_size = $6, plain_offset = $7, plain_size = $8, encrypted_etag = $9,
inline_data = $10
`, opts.Position, opts.ExpiresAt,
storj.PieceID{}, opts.EncryptedKeyNonce, opts.EncryptedKey,
len(opts.InlineData), opts.PlainOffset, opts.PlainSize, opts.EncryptedETag,
opts.InlineData,
opts.ProjectID, []byte(opts.BucketName), opts.ObjectKey, opts.StreamID,
)
} else {
_, err = db.db.ExecContext(ctx, `
INSERT INTO segments (
stream_id, position, expires_at,
root_piece_id, encrypted_key_nonce, encrypted_key,
encrypted_size, plain_offset, plain_size, encrypted_etag,
inline_data
) VALUES (
(
SELECT stream_id
FROM objects
WHERE (project_id, bucket_name, object_key, version, stream_id) = ($11, $12, $13, $14, $15) AND
status = `+statusPending+`
),
$1, $2,
$3, $4, $5,
$6, $7, $8, $9,
$10
)
ON CONFLICT(stream_id, position)
DO UPDATE SET
expires_at = $2,
root_piece_id = $3, encrypted_key_nonce = $4, encrypted_key = $5,
encrypted_size = $6, plain_offset = $7, plain_size = $8, encrypted_etag = $9,
inline_data = $10
`, opts.Position, opts.ExpiresAt,
storj.PieceID{}, opts.EncryptedKeyNonce, opts.EncryptedKey,
len(opts.InlineData), opts.PlainOffset, opts.PlainSize, opts.EncryptedETag,
opts.InlineData,
opts.ProjectID, []byte(opts.BucketName), opts.ObjectKey, opts.Version, opts.StreamID,
)
}
if err != nil {
if code := pgerrcode.FromError(err); code == pgxerrcode.NotNullViolation {
return ErrPendingObjectMissing.New("")
}
return Error.New("unable to insert segment: %w", err)
}
mon.Meter("segment_commit").Mark(1)
mon.IntVal("segment_commit_encrypted_size").Observe(int64(len(opts.InlineData)))
return nil
}
// CommitObject contains arguments necessary for committing an object.
type CommitObject struct {
ObjectStream
Encryption storj.EncryptionParameters
// this flag controls if we want to set metadata fields with CommitObject
// it's possible to set metadata with BeginObject request so we need to
// be explicit if we would like to set it with CommitObject which will
// override any existing metadata.
OverrideEncryptedMetadata bool
EncryptedMetadata []byte // optional
EncryptedMetadataNonce []byte // optional
EncryptedMetadataEncryptedKey []byte // optional
DisallowDelete bool
UsePendingObjectsTable bool
// Versioned indicates whether an object is allowed to have multiple versions.
Versioned bool
}
// Verify verifies reqest fields.
func (c *CommitObject) Verify() error {
if err := c.ObjectStream.Verify(); err != nil {
return err
}
if c.Encryption.CipherSuite != storj.EncUnspecified && c.Encryption.BlockSize <= 0 {
return ErrInvalidRequest.New("Encryption.BlockSize is negative or zero")
}
if c.OverrideEncryptedMetadata {
if c.EncryptedMetadata == nil && (c.EncryptedMetadataNonce != nil || c.EncryptedMetadataEncryptedKey != nil) {
return ErrInvalidRequest.New("EncryptedMetadataNonce and EncryptedMetadataEncryptedKey must be not set if EncryptedMetadata is not set")
} else if c.EncryptedMetadata != nil && (c.EncryptedMetadataNonce == nil || c.EncryptedMetadataEncryptedKey == nil) {
return ErrInvalidRequest.New("EncryptedMetadataNonce and EncryptedMetadataEncryptedKey must be set if EncryptedMetadata is set")
}
}
return nil
}
// CommitObject adds a pending object to the database. If another committed object is under target location
// it will be deleted.
func (db *DB) CommitObject(ctx context.Context, opts CommitObject) (object Object, err error) {
defer mon.Task()(&ctx)(&err)
if err := opts.Verify(); err != nil {
return Object{}, err
}
var precommit precommitConstraintResult
err = txutil.WithTx(ctx, db.db, nil, func(ctx context.Context, tx tagsql.Tx) error {
segments, err := fetchSegmentsForCommit(ctx, tx, opts.StreamID)
if err != nil {
return Error.New("failed to fetch segments: %w", err)
}
if err = db.validateParts(segments); err != nil {
return err
}
finalSegments := convertToFinalSegments(segments)
err = updateSegmentOffsets(ctx, tx, opts.StreamID, finalSegments)
if err != nil {
return Error.New("failed to update segments: %w", err)
}
// TODO: would we even need this when we make main index plain_offset?
fixedSegmentSize := int32(0)
if len(finalSegments) > 0 {
fixedSegmentSize = finalSegments[0].PlainSize
for i, seg := range finalSegments {
if seg.Position.Part != 0 || seg.Position.Index != uint32(i) {
fixedSegmentSize = -1
break
}
if i < len(finalSegments)-1 && seg.PlainSize != fixedSegmentSize {
fixedSegmentSize = -1
break
}
}
}
var totalPlainSize, totalEncryptedSize int64
for _, seg := range finalSegments {
totalPlainSize += int64(seg.PlainSize)
totalEncryptedSize += int64(seg.EncryptedSize)
}
const versionArgIndex = 3
nextStatus := committedWhereVersioned(opts.Versioned)
args := []interface{}{
opts.ProjectID, []byte(opts.BucketName), opts.ObjectKey, opts.Version, opts.StreamID,
nextStatus,
len(segments),
totalPlainSize,
totalEncryptedSize,
fixedSegmentSize,
encryptionParameters{&opts.Encryption},
}
precommit, err = db.precommitConstraint(ctx, precommitConstraint{
Location: opts.Location(),
Versioned: opts.Versioned,
DisallowDelete: opts.DisallowDelete,
}, tx)
if err != nil {
return Error.Wrap(err)
}
if opts.UsePendingObjectsTable {
opts.Version = precommit.HighestVersion + 1
args[versionArgIndex] = opts.Version
args = append(args,
opts.EncryptedMetadataNonce,
opts.EncryptedMetadata,
opts.EncryptedMetadataEncryptedKey,
opts.OverrideEncryptedMetadata,
)
err = tx.QueryRowContext(ctx, `
WITH delete_pending_object AS (
DELETE FROM pending_objects
WHERE (project_id, bucket_name, object_key, stream_id) = ($1, $2, $3, $5)
RETURNING expires_at, encryption, encrypted_metadata_nonce, encrypted_metadata, encrypted_metadata_encrypted_key
)
INSERT INTO objects (
project_id, bucket_name, object_key, version, stream_id,
status, segment_count, total_plain_size, total_encrypted_size,
fixed_segment_size, zombie_deletion_deadline, expires_at,
encryption,
encrypted_metadata_nonce, encrypted_metadata, encrypted_metadata_encrypted_key
)
SELECT
$1 as project_id, $2 as bucket_name, $3 as object_key, $4::INT4 as version, $5 as stream_id,
$6 as status, $7::INT4 as segment_count, $8::INT8 as total_plain_size, $9::INT8 as total_encrypted_size,
$10::INT4 as fixed_segment_size, NULL::timestamp as zombie_deletion_deadline, expires_at,
-- TODO should we allow to override existing encryption parameters or return error if don't match with opts?
CASE
WHEN encryption = 0 AND $11 <> 0 THEN $11
WHEN encryption = 0 AND $11 = 0 THEN NULL
ELSE encryption
END as
encryption,
CASE
WHEN $15::BOOL = true THEN $12
ELSE encrypted_metadata_nonce
END as
encrypted_metadata_nonce,
CASE
WHEN $15::BOOL = true THEN $13
ELSE encrypted_metadata
END as
encrypted_metadata,
CASE
WHEN $15::BOOL = true THEN $14
ELSE encrypted_metadata_encrypted_key
END as
encrypted_metadata_encrypted_key
FROM delete_pending_object
-- we don't want ON CONFLICT clause to update existign object
-- as this way we may miss removing old object segments
RETURNING
created_at, expires_at,
encrypted_metadata, encrypted_metadata_encrypted_key, encrypted_metadata_nonce,
encryption
`, args...).Scan(
&object.CreatedAt, &object.ExpiresAt,
&object.EncryptedMetadata, &object.EncryptedMetadataEncryptedKey, &object.EncryptedMetadataNonce,
encryptionParameters{&object.Encryption},
)
if err != nil {
if errors.Is(err, sql.ErrNoRows) {
return ErrObjectNotFound.Wrap(Error.New("object with specified version and pending status is missing"))
} else if code := pgerrcode.FromError(err); code == pgxerrcode.NotNullViolation {
// TODO maybe we should check message if 'encryption' label is there
return ErrInvalidRequest.New("Encryption is missing")
}
return Error.New("failed to update object: %w", err)
}
} else {
nextVersion := opts.Version
if nextVersion < precommit.HighestVersion {
nextVersion = precommit.HighestVersion + 1
}
args = append(args, nextVersion)
opts.Version = nextVersion
metadataColumns := ""
if opts.OverrideEncryptedMetadata {
args = append(args,
opts.EncryptedMetadataNonce,
opts.EncryptedMetadata,
opts.EncryptedMetadataEncryptedKey,
)
metadataColumns = `,
encrypted_metadata_nonce = $13,
encrypted_metadata = $14,
encrypted_metadata_encrypted_key = $15
`
}
err = tx.QueryRowContext(ctx, `
UPDATE objects SET
version = $12,
status = $6,
segment_count = $7,
total_plain_size = $8,
total_encrypted_size = $9,
fixed_segment_size = $10,
zombie_deletion_deadline = NULL,
-- TODO should we allow to override existing encryption parameters or return error if don't match with opts?
encryption = CASE
WHEN objects.encryption = 0 AND $11 <> 0 THEN $11
WHEN objects.encryption = 0 AND $11 = 0 THEN NULL
ELSE objects.encryption
END
`+metadataColumns+`
WHERE (project_id, bucket_name, object_key, version, stream_id) = ($1, $2, $3, $4, $5) AND
status = `+statusPending+`
RETURNING
created_at, expires_at,
encrypted_metadata, encrypted_metadata_encrypted_key, encrypted_metadata_nonce,
encryption
`, args...).Scan(
&object.CreatedAt, &object.ExpiresAt,
&object.EncryptedMetadata, &object.EncryptedMetadataEncryptedKey, &object.EncryptedMetadataNonce,
encryptionParameters{&object.Encryption},
)
if err != nil {
if errors.Is(err, sql.ErrNoRows) {
return ErrObjectNotFound.Wrap(Error.New("object with specified version and pending status is missing"))
} else if code := pgerrcode.FromError(err); code == pgxerrcode.NotNullViolation {
// TODO maybe we should check message if 'encryption' label is there
return ErrInvalidRequest.New("Encryption is missing")
}
return Error.New("failed to update object: %w", err)
}
}
object.StreamID = opts.StreamID
object.ProjectID = opts.ProjectID
object.BucketName = opts.BucketName
object.ObjectKey = opts.ObjectKey
object.Version = opts.Version
object.Status = nextStatus
object.SegmentCount = int32(len(segments))
object.TotalPlainSize = totalPlainSize
object.TotalEncryptedSize = totalEncryptedSize
object.FixedSegmentSize = fixedSegmentSize
return nil
})
if err != nil {
return Object{}, err
}
precommit.submitMetrics()
mon.Meter("object_commit").Mark(1)
mon.IntVal("object_commit_segments").Observe(int64(object.SegmentCount))
mon.IntVal("object_commit_encrypted_size").Observe(object.TotalEncryptedSize)
return object, nil
}
func (db *DB) validateParts(segments []segmentInfoForCommit) error {
partSize := make(map[uint32]memory.Size)
var lastPart uint32
for _, segment := range segments {
partSize[segment.Position.Part] += memory.Size(segment.PlainSize)
if lastPart < segment.Position.Part {
lastPart = segment.Position.Part
}
}
if len(partSize) > db.config.MaxNumberOfParts {
return ErrFailedPrecondition.New("exceeded maximum number of parts: %d", db.config.MaxNumberOfParts)
}
for part, size := range partSize {
// Last part has no minimum size.
if part == lastPart {
continue
}
if size < db.config.MinPartSize {
return ErrFailedPrecondition.New("size of part number %d is below minimum threshold, got: %s, min: %s", part, size, db.config.MinPartSize)
}
}
return nil
}