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Code Issues Projects Releases Packages Wiki Activity

storage: add minimum record version hint (#5569)

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* storage: add minimum record version hint

* use response record version

* fix record version in query response
This commit is contained in:
Caleb Doxsey 2025-04-10 11:15:14 -06:00 • committed by GitHub
parent cd731789be
commit 3891293fa7
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
8 changed files with 433 additions and 297 deletions
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287
pkg/grpc/databroker/databroker.pb.go
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@ -378,6 +378,7 @@ type QueryRequest struct {
Offset int64 `protobuf:"varint,3,opt,name=offset,proto3" json:"offset,omitempty"` Offset int64 `protobuf:"varint,3,opt,name=offset,proto3" json:"offset,omitempty"`
Limit int64 `protobuf:"varint,4,opt,name=limit,proto3" json:"limit,omitempty"` Limit int64 `protobuf:"varint,4,opt,name=limit,proto3" json:"limit,omitempty"`
Filter *structpb.Struct `protobuf:"bytes,5,opt,name=filter,proto3" json:"filter,omitempty"` Filter *structpb.Struct `protobuf:"bytes,5,opt,name=filter,proto3" json:"filter,omitempty"`
MinimumRecordVersionHint *uint64 `protobuf:"varint,6,opt,name=minimum_record_version_hint,json=minimumRecordVersionHint,proto3,oneof" json:"minimum_record_version_hint,omitempty"`
} }
func (x *QueryRequest) Reset() { func (x *QueryRequest) Reset() {
@ -447,6 +448,13 @@ func (x *QueryRequest) GetFilter() *structpb.Struct {
return nil return nil
} }
func (x *QueryRequest) GetMinimumRecordVersionHint() uint64 {
if x != nil && x.MinimumRecordVersionHint != nil {
return *x.MinimumRecordVersionHint
}
return 0
}
type QueryResponse struct { type QueryResponse struct {
state protoimpl.MessageState state protoimpl.MessageState
sizeCache protoimpl.SizeCache sizeCache protoimpl.SizeCache
@ -1346,7 +1354,7 @@ var file_databroker_proto_rawDesc = []byte{
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@ -1356,144 +1364,150 @@ var file_databroker_proto_rawDesc = []byte{
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} }
var ( var (
@ -1859,6 +1873,7 @@ func file_databroker_proto_init() {
} }
} }
file_databroker_proto_msgTypes[2].OneofWrappers = []any{} file_databroker_proto_msgTypes[2].OneofWrappers = []any{}
file_databroker_proto_msgTypes[6].OneofWrappers = []any{}
file_databroker_proto_msgTypes[17].OneofWrappers = []any{ file_databroker_proto_msgTypes[17].OneofWrappers = []any{
(*SyncLatestResponse_Record)(nil), (*SyncLatestResponse_Record)(nil),
(*SyncLatestResponse_Versions)(nil), (*SyncLatestResponse_Versions)(nil),

5
pkg/grpc/databroker/databroker.proto
View file

@ -37,9 +37,7 @@ message GetRequest {
} }
message GetResponse { Record record = 1; } message GetResponse { Record record = 1; }
message ListTypesResponse { message ListTypesResponse { repeated string types = 1; }
repeated string types = 1;
}
message QueryRequest { message QueryRequest {
string type = 1; string type = 1;
@ -47,6 +45,7 @@ message QueryRequest {
int64 offset = 3; int64 offset = 3;
int64 limit = 4; int64 limit = 4;
google.protobuf.Struct filter = 5; google.protobuf.Struct filter = 5;
optional uint64 minimum_record_version_hint = 6;
} }
message QueryResponse { message QueryResponse {
repeated Record records = 1; repeated Record records = 1;

156
pkg/storage/querier.go
View file

@ -3,20 +3,15 @@ package storage
import ( import (
"context" "context"
"encoding/json" "encoding/json"
"strconv"
"github.com/google/uuid"
grpc "google.golang.org/grpc" grpc "google.golang.org/grpc"
"google.golang.org/grpc/codes" "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status" status "google.golang.org/grpc/status"
"google.golang.org/protobuf/encoding/protojson" "google.golang.org/protobuf/encoding/protojson"
"google.golang.org/protobuf/proto" "google.golang.org/protobuf/proto"
timestamppb "google.golang.org/protobuf/types/known/timestamppb"
"github.com/pomerium/pomerium/pkg/cryptutil"
"github.com/pomerium/pomerium/pkg/grpc/databroker" "github.com/pomerium/pomerium/pkg/grpc/databroker"
"github.com/pomerium/pomerium/pkg/grpcutil" "github.com/pomerium/pomerium/pkg/grpcutil"
"github.com/pomerium/pomerium/pkg/protoutil"
) )
// A Querier is a read-only subset of the client methods // A Querier is a read-only subset of the client methods
@ -50,137 +45,6 @@ func WithQuerier(ctx context.Context, querier Querier) context.Context {
return context.WithValue(ctx, querierKey{}, querier) return context.WithValue(ctx, querierKey{}, querier)
} }
type staticQuerier struct {
records map[string]RecordCollection
}
// NewStaticQuerier creates a Querier that returns statically defined protobuf records.
func NewStaticQuerier(msgs ...proto.Message) Querier {
getter := &staticQuerier{records: make(map[string]RecordCollection)}
for _, msg := range msgs {
record, ok := msg.(*databroker.Record)
if !ok {
record = NewStaticRecord(protoutil.NewAny(msg).TypeUrl, msg)
}
c, ok := getter.records[record.Type]
if !ok {
c = NewRecordCollection()
getter.records[record.Type] = c
}
c.Put(record)
}
return getter
}
// NewStaticRecord creates a new databroker Record from a protobuf message.
func NewStaticRecord(typeURL string, msg proto.Message) *databroker.Record {
data := protoutil.NewAny(msg)
record := new(databroker.Record)
record.ModifiedAt = timestamppb.Now()
record.Version = cryptutil.NewRandomUInt64()
record.Id = uuid.New().String()
record.Data = data
record.Type = typeURL
if hasID, ok := msg.(interface{ GetId() string }); ok {
record.Id = hasID.GetId()
}
if hasVersion, ok := msg.(interface{ GetVersion() string }); ok {
if v, err := strconv.ParseUint(hasVersion.GetVersion(), 10, 64); err == nil {
record.Version = v
}
}
var jsonData struct {
ID string `json:"id"`
Version string `json:"version"`
}
bs, _ := protojson.Marshal(msg)
_ = json.Unmarshal(bs, &jsonData)
if jsonData.ID != "" {
record.Id = jsonData.ID
}
if jsonData.Version != "" {
if v, err := strconv.ParseUint(jsonData.Version, 10, 64); err == nil {
record.Version = v
}
}
return record
}
func (q *staticQuerier) InvalidateCache(_ context.Context, _ *databroker.QueryRequest) {}
// Query queries for records.
func (q *staticQuerier) Query(_ context.Context, req *databroker.QueryRequest, _ ...grpc.CallOption) (*databroker.QueryResponse, error) {
return QueryRecordCollections(q.records, req)
}
type clientQuerier struct {
client databroker.DataBrokerServiceClient
}
// NewQuerier creates a new Querier that implements the Querier interface by making calls to the databroker over gRPC.
func NewQuerier(client databroker.DataBrokerServiceClient) Querier {
return &clientQuerier{client: client}
}
func (q *clientQuerier) InvalidateCache(_ context.Context, _ *databroker.QueryRequest) {}
// Query queries for records.
func (q *clientQuerier) Query(ctx context.Context, in *databroker.QueryRequest, opts ...grpc.CallOption) (*databroker.QueryResponse, error) {
return q.client.Query(ctx, in, opts...)
}
type cachingQuerier struct {
q Querier
cache Cache
}
// NewCachingQuerier creates a new querier that caches results in a Cache.
func NewCachingQuerier(q Querier, cache Cache) Querier {
return &cachingQuerier{
q: q,
cache: cache,
}
}
func (q *cachingQuerier) InvalidateCache(ctx context.Context, in *databroker.QueryRequest) {
key, err := (&proto.MarshalOptions{
Deterministic: true,
}).Marshal(in)
if err != nil {
return
}
q.cache.Invalidate(key)
q.q.InvalidateCache(ctx, in)
}
func (q *cachingQuerier) Query(ctx context.Context, in *databroker.QueryRequest, opts ...grpc.CallOption) (*databroker.QueryResponse, error) {
key, err := MarshalQueryRequest(in)
if err != nil {
return nil, err
}
rawResult, err := q.cache.GetOrUpdate(ctx, key, func(ctx context.Context) ([]byte, error) {
res, err := q.q.Query(ctx, in, opts...)
if err != nil {
return nil, err
}
return MarshalQueryResponse(res)
})
if err != nil {
return nil, err
}
var res databroker.QueryResponse
err = proto.Unmarshal(rawResult, &res)
if err != nil {
return nil, err
}
return &res, nil
}
// MarshalQueryRequest marshales the query request. // MarshalQueryRequest marshales the query request.
func MarshalQueryRequest(req *databroker.QueryRequest) ([]byte, error) { func MarshalQueryRequest(req *databroker.QueryRequest) ([]byte, error) {
return (&proto.MarshalOptions{ return (&proto.MarshalOptions{
@ -208,6 +72,9 @@ func GetDataBrokerRecord(
Type: recordType, Type: recordType,
Limit: 1, Limit: 1,
} }
if lowestRecordVersion > 0 {
req.MinimumRecordVersionHint = proto.Uint64(lowestRecordVersion)
}
req.SetFilterByIDOrIndex(recordID) req.SetFilterByIDOrIndex(recordID)
res, err := q.Query(ctx, req, grpc.WaitForReady(true)) res, err := q.Query(ctx, req, grpc.WaitForReady(true))
@ -217,23 +84,6 @@ func GetDataBrokerRecord(
if len(res.GetRecords()) == 0 { if len(res.GetRecords()) == 0 {
return nil, ErrNotFound return nil, ErrNotFound
} }
// if the current record version is less than the lowest we'll accept, invalidate the cache
if res.GetRecords()[0].GetVersion() < lowestRecordVersion {
q.InvalidateCache(ctx, req)
} else {
return res.GetRecords()[0], nil
}
// retry with an up to date cache
res, err = q.Query(ctx, req)
if err != nil {
return nil, err
}
if len(res.GetRecords()) == 0 {
return nil, ErrNotFound
}
return res.GetRecords()[0], nil return res.GetRecords()[0], nil
} }

82
pkg/storage/querier_caching.go Normal file
View file

@ -0,0 +1,82 @@
package storage
import (
"context"
grpc "google.golang.org/grpc"
"google.golang.org/protobuf/proto"
"github.com/pomerium/pomerium/pkg/grpc/databroker"
)
type cachingQuerier struct {
q Querier
cache Cache
}
// NewCachingQuerier creates a new querier that caches results in a Cache.
func NewCachingQuerier(q Querier, cache Cache) Querier {
return &cachingQuerier{
q: q,
cache: cache,
}
}
func (q *cachingQuerier) InvalidateCache(ctx context.Context, in *databroker.QueryRequest) {
key, err := q.getCacheKey(in)
if err != nil {
return
}
q.cache.Invalidate(key)
q.q.InvalidateCache(ctx, in)
}
func (q *cachingQuerier) Query(ctx context.Context, in *databroker.QueryRequest, opts ...grpc.CallOption) (*databroker.QueryResponse, error) {
res, err := q.query(ctx, in, opts...)
if err != nil {
return nil, err
}
// If a minimum record version hint is sent, check to see if the result meets the minimum
// record version and if not, invalidate the cache and re-query.
if in.MinimumRecordVersionHint != nil && res.RecordVersion < *in.MinimumRecordVersionHint {
q.InvalidateCache(ctx, in)
res, err = q.query(ctx, in, opts...)
if err != nil {
return nil, err
}
}
return res, nil
}
func (q *cachingQuerier) getCacheKey(in *databroker.QueryRequest) ([]byte, error) {
in = proto.Clone(in).(*databroker.QueryRequest)
in.MinimumRecordVersionHint = nil
return MarshalQueryRequest(in)
}
func (q *cachingQuerier) query(ctx context.Context, in *databroker.QueryRequest, opts ...grpc.CallOption) (*databroker.QueryResponse, error) {
key, err := q.getCacheKey(in)
if err != nil {
return nil, err
}
rawResult, err := q.cache.GetOrUpdate(ctx, key, func(ctx context.Context) ([]byte, error) {
res, err := q.q.Query(ctx, in, opts...)
if err != nil {
return nil, err
}
return MarshalQueryResponse(res)
})
if err != nil {
return nil, err
}
var res databroker.QueryResponse
err = proto.Unmarshal(rawResult, &res)
if err != nil {
return nil, err
}
return &res, nil
}

78
pkg/storage/querier_caching_test.go Normal file
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@ -0,0 +1,78 @@
package storage_test
import (
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/stretchr/testify/assert"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/testing/protocmp"
"github.com/pomerium/pomerium/internal/testutil"
databrokerpb "github.com/pomerium/pomerium/pkg/grpc/databroker"
"github.com/pomerium/pomerium/pkg/storage"
)
func TestCachingQuerier(t *testing.T) {
t.Parallel()
ctx := testutil.GetContext(t, time.Minute)
cache := storage.NewGlobalCache(time.Hour)
q1 := storage.NewStaticQuerier(&databrokerpb.Record{
Version: 1,
Type: "t1",
Id: "r1",
})
q2 := storage.NewStaticQuerier(&databrokerpb.Record{
Version: 2,
Type: "t1",
Id: "r1",
})
res, err := storage.NewCachingQuerier(q1, cache).Query(ctx, &databrokerpb.QueryRequest{
Type: "t1",
Limit: 1,
})
assert.NoError(t, err)
assert.Empty(t, cmp.Diff(&databrokerpb.QueryResponse{
Records: []*databrokerpb.Record{{Version: 1, Type: "t1", Id: "r1"}},
TotalCount: 1,
RecordVersion: 1,
}, res, protocmp.Transform()))
res, err = storage.NewCachingQuerier(q2, cache).Query(ctx, &databrokerpb.QueryRequest{
Type: "t1",
Limit: 1,
})
assert.NoError(t, err)
assert.Empty(t, cmp.Diff(&databrokerpb.QueryResponse{
Records: []*databrokerpb.Record{{Version: 1, Type: "t1", Id: "r1"}},
TotalCount: 1,
RecordVersion: 1,
}, res, protocmp.Transform()), "should use the cached version")
res, err = storage.NewCachingQuerier(q2, cache).Query(ctx, &databrokerpb.QueryRequest{
Type: "t1",
Limit: 1,
MinimumRecordVersionHint: proto.Uint64(1),
})
assert.NoError(t, err)
assert.Empty(t, cmp.Diff(&databrokerpb.QueryResponse{
Records: []*databrokerpb.Record{{Version: 1, Type: "t1", Id: "r1"}},
TotalCount: 1,
RecordVersion: 1,
}, res, protocmp.Transform()), "should use the cached version")
res, err = storage.NewCachingQuerier(q2, cache).Query(ctx, &databrokerpb.QueryRequest{
Type: "t1",
Limit: 1,
MinimumRecordVersionHint: proto.Uint64(2),
})
assert.NoError(t, err)
assert.Empty(t, cmp.Diff(&databrokerpb.QueryResponse{
Records: []*databrokerpb.Record{{Version: 2, Type: "t1", Id: "r1"}},
TotalCount: 1,
RecordVersion: 2,
}, res, protocmp.Transform()), "should query the new version")
}

25
pkg/storage/querier_client.go Normal file
View file

@ -0,0 +1,25 @@
package storage
import (
"context"
grpc "google.golang.org/grpc"
"github.com/pomerium/pomerium/pkg/grpc/databroker"
)
type clientQuerier struct {
client databroker.DataBrokerServiceClient
}
// NewQuerier creates a new Querier that implements the Querier interface by making calls to the databroker over gRPC.
func NewQuerier(client databroker.DataBrokerServiceClient) Querier {
return &clientQuerier{client: client}
}
func (q *clientQuerier) InvalidateCache(_ context.Context, _ *databroker.QueryRequest) {}
// Query queries for records.
func (q *clientQuerier) Query(ctx context.Context, in *databroker.QueryRequest, opts ...grpc.CallOption) (*databroker.QueryResponse, error) {
return q.client.Query(ctx, in, opts...)
}

83
pkg/storage/querier_static.go Normal file
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@ -0,0 +1,83 @@
package storage
import (
"context"
"encoding/json"
"strconv"
"github.com/google/uuid"
grpc "google.golang.org/grpc"
"google.golang.org/protobuf/encoding/protojson"
"google.golang.org/protobuf/proto"
timestamppb "google.golang.org/protobuf/types/known/timestamppb"
"github.com/pomerium/pomerium/pkg/cryptutil"
"github.com/pomerium/pomerium/pkg/grpc/databroker"
"github.com/pomerium/pomerium/pkg/protoutil"
)
type staticQuerier struct {
records map[string]RecordCollection
}
// NewStaticQuerier creates a Querier that returns statically defined protobuf records.
func NewStaticQuerier(msgs ...proto.Message) Querier {
getter := &staticQuerier{records: make(map[string]RecordCollection)}
for _, msg := range msgs {
record, ok := msg.(*databroker.Record)
if !ok {
record = NewStaticRecord(protoutil.NewAny(msg).TypeUrl, msg)
}
c, ok := getter.records[record.Type]
if !ok {
c = NewRecordCollection()
getter.records[record.Type] = c
}
c.Put(record)
}
return getter
}
// NewStaticRecord creates a new databroker Record from a protobuf message.
func NewStaticRecord(typeURL string, msg proto.Message) *databroker.Record {
data := protoutil.NewAny(msg)
record := new(databroker.Record)
record.ModifiedAt = timestamppb.Now()
record.Version = cryptutil.NewRandomUInt64()
record.Id = uuid.New().String()
record.Data = data
record.Type = typeURL
if hasID, ok := msg.(interface{ GetId() string }); ok {
record.Id = hasID.GetId()
}
if hasVersion, ok := msg.(interface{ GetVersion() string }); ok {
if v, err := strconv.ParseUint(hasVersion.GetVersion(), 10, 64); err == nil {
record.Version = v
}
}
var jsonData struct {
ID string `json:"id"`
Version string `json:"version"`
}
bs, _ := protojson.Marshal(msg)
_ = json.Unmarshal(bs, &jsonData)
if jsonData.ID != "" {
record.Id = jsonData.ID
}
if jsonData.Version != "" {
if v, err := strconv.ParseUint(jsonData.Version, 10, 64); err == nil {
record.Version = v
}
}
return record
}
func (q *staticQuerier) InvalidateCache(_ context.Context, _ *databroker.QueryRequest) {}
// Query queries for records.
func (q *staticQuerier) Query(_ context.Context, req *databroker.QueryRequest, _ ...grpc.CallOption) (*databroker.QueryResponse, error) {
return QueryRecordCollections(q.records, req)
}

4
pkg/storage/record_collection.go
View file

@ -328,6 +328,10 @@ func QueryRecordCollections(
res := new(databroker.QueryResponse) res := new(databroker.QueryResponse)
for _, c := range cs { for _, c := range cs {
if record, ok := c.Newest(); ok {
res.RecordVersion = max(res.RecordVersion, record.Version)
}
records, err := c.List(filter) records, err := c.List(filter)
if err != nil { if err != nil {
return nil, err return nil, err