From a41c37f9e061c8ac6410701981e9e6b3944f25b9 Mon Sep 17 00:00:00 2001 From: Caleb Doxsey Date: Wed, 18 Nov 2020 17:02:57 -0700 Subject: [PATCH] add paging support to GetAll (#1601) * add paging support to GetAll * fix import --- authorize/run.go | 2 +- internal/databroker/config.go | 11 ++ internal/databroker/server.go | 27 +++- internal/databroker/server_test.go | 35 ++++- internal/identity/manager/manager.go | 4 +- pkg/grpc/databroker/databroker.go | 30 +++- pkg/grpc/databroker/databroker.pb.go | 196 ++++++++++++++----------- pkg/grpc/databroker/databroker.proto | 10 +- pkg/grpc/databroker/databroker_test.go | 110 ++++++++++++++ 9 files changed, 322 insertions(+), 103 deletions(-) diff --git a/authorize/run.go b/authorize/run.go index 457e3edea..deb8b8de3 100644 --- a/authorize/run.go +++ b/authorize/run.go @@ -91,7 +91,7 @@ func (a *Authorize) runDataTypeSyncer(ctx context.Context, typeURL string) error ctx, span := trace.StartSpan(ctx, "authorize.dataBrokerClient.GetAll") backoff := backoff.NewExponentialBackOff() for { - res, err := a.state.Load().dataBrokerClient.GetAll(ctx, &databroker.GetAllRequest{ + res, err := databroker.GetAllPages(ctx, a.state.Load().dataBrokerClient, &databroker.GetAllRequest{ Type: typeURL, }) if err != nil { diff --git a/internal/databroker/config.go b/internal/databroker/config.go index cc1e471f2..ba45be5b0 100644 --- a/internal/databroker/config.go +++ b/internal/databroker/config.go @@ -17,6 +17,8 @@ var ( DefaultBTreeDegree = 8 // DefaultStorageType is the default storage type that Server use DefaultStorageType = "memory" + // DefaultGetAllPageSize is the default page size for GetAll calls. + DefaultGetAllPageSize = 50 ) type serverConfig struct { @@ -28,6 +30,7 @@ type serverConfig struct { storageCAFile string storageCertSkipVerify bool storageCertificate *tls.Certificate + getAllPageSize int } func newServerConfig(options ...ServerOption) *serverConfig { @@ -35,6 +38,7 @@ func newServerConfig(options ...ServerOption) *serverConfig { WithDeletePermanentlyAfter(DefaultDeletePermanentlyAfter)(cfg) WithBTreeDegree(DefaultBTreeDegree)(cfg) WithStorageType(DefaultStorageType)(cfg) + WithGetAllPageSize(DefaultGetAllPageSize)(cfg) for _, option := range options { option(cfg) } @@ -60,6 +64,13 @@ func WithDeletePermanentlyAfter(dur time.Duration) ServerOption { } } +// WithGetAllPageSize sets the page size for GetAll calls. +func WithGetAllPageSize(pageSize int) ServerOption { + return func(cfg *serverConfig) { + cfg.getAllPageSize = pageSize + } +} + // WithSharedKey sets the secret in the config. func WithSharedKey(sharedKey string) ServerOption { return func(cfg *serverConfig) { diff --git a/internal/databroker/server.go b/internal/databroker/server.go index dec3d742a..6f7f2325f 100644 --- a/internal/databroker/server.go +++ b/internal/databroker/server.go @@ -181,7 +181,7 @@ func (srv *Server) Get(ctx context.Context, req *databroker.GetRequest) (*databr return &databroker.GetResponse{Record: record}, nil } -// GetAll gets all the records from the in-memory list. +// GetAll gets all the records from the backend. func (srv *Server) GetAll(ctx context.Context, req *databroker.GetAllRequest) (*databroker.GetAllResponse, error) { _, span := trace.StartSpan(ctx, "databroker.grpc.GetAll") defer span.End() @@ -199,25 +199,40 @@ func (srv *Server) GetAll(ctx context.Context, req *databroker.GetAllRequest) (* return nil, err } - if len(all) == 0 { - return &databroker.GetAllResponse{ServerVersion: version}, nil - } + // sort by record version + sort.Slice(all, func(i, j int) bool { + return all[i].Version < all[j].Version + }) var recordVersion string records := make([]*databroker.Record, 0, len(all)) for _, record := range all { - if record.GetVersion() > recordVersion { - recordVersion = record.GetVersion() + // skip previous page records + if record.GetVersion() <= req.PageToken { + continue } + + recordVersion = record.GetVersion() if record.DeletedAt == nil { records = append(records, record) } + + // stop when we've hit the page size + if len(records) >= srv.cfg.getAllPageSize { + break + } + } + + nextPageToken := recordVersion + if len(records) < srv.cfg.getAllPageSize { + nextPageToken = "" } return &databroker.GetAllResponse{ ServerVersion: version, RecordVersion: recordVersion, Records: records, + NextPageToken: nextPageToken, }, nil } diff --git a/internal/databroker/server_test.go b/internal/databroker/server_test.go index 447fd1216..ca545bffa 100644 --- a/internal/databroker/server_test.go +++ b/internal/databroker/server_test.go @@ -2,6 +2,7 @@ package databroker import ( "context" + "fmt" "testing" "github.com/golang/protobuf/ptypes" @@ -11,6 +12,7 @@ import ( "google.golang.org/grpc/codes" "google.golang.org/grpc/status" "google.golang.org/protobuf/types/known/anypb" + "google.golang.org/protobuf/types/known/wrapperspb" "github.com/pomerium/pomerium/internal/log" "github.com/pomerium/pomerium/internal/signal" @@ -124,7 +126,9 @@ func TestServer_Get(t *testing.T) { } func TestServer_GetAll(t *testing.T) { - cfg := newServerConfig() + cfg := newServerConfig( + WithGetAllPageSize(5), + ) t.Run("ignore deleted", func(t *testing.T) { srv := newServer(cfg) @@ -148,4 +152,33 @@ func TestServer_GetAll(t *testing.T) { assert.NoError(t, err) assert.Len(t, res.GetRecords(), 0) }) + t.Run("paging", func(t *testing.T) { + srv := newServer(cfg) + + any, err := anypb.New(wrapperspb.String("TEST")) + assert.NoError(t, err) + + for i := 0; i < 7; i++ { + srv.Set(context.Background(), &databroker.SetRequest{ + Type: any.TypeUrl, + Id: fmt.Sprint(i), + Data: any, + }) + } + + res, err := srv.GetAll(context.Background(), &databroker.GetAllRequest{ + Type: any.TypeUrl, + }) + assert.NoError(t, err) + assert.Len(t, res.GetRecords(), 5) + assert.Equal(t, res.GetNextPageToken(), "000000000005") + + res, err = srv.GetAll(context.Background(), &databroker.GetAllRequest{ + Type: any.TypeUrl, + PageToken: res.GetNextPageToken(), + }) + assert.NoError(t, err) + assert.Len(t, res.GetRecords(), 2) + assert.Equal(t, res.GetNextPageToken(), "") + }) } diff --git a/internal/identity/manager/manager.go b/internal/identity/manager/manager.go index f8cb3249f..1d277941b 100644 --- a/internal/identity/manager/manager.go +++ b/internal/identity/manager/manager.go @@ -529,7 +529,7 @@ func (mgr *Manager) initDirectoryUsers(ctx context.Context) error { return err } - res, err := mgr.cfg.Load().dataBrokerClient.GetAll(ctx, &databroker.GetAllRequest{ + res, err := databroker.GetAllPages(ctx, mgr.cfg.Load().dataBrokerClient, &databroker.GetAllRequest{ Type: any.GetTypeUrl(), }) if err != nil { @@ -598,7 +598,7 @@ func (mgr *Manager) initDirectoryGroups(ctx context.Context) error { return err } - res, err := mgr.cfg.Load().dataBrokerClient.GetAll(ctx, &databroker.GetAllRequest{ + res, err := databroker.GetAllPages(ctx, mgr.cfg.Load().dataBrokerClient, &databroker.GetAllRequest{ Type: any.GetTypeUrl(), }) if err != nil { diff --git a/pkg/grpc/databroker/databroker.go b/pkg/grpc/databroker/databroker.go index a4b4f9fc0..7ff49364f 100644 --- a/pkg/grpc/databroker/databroker.go +++ b/pkg/grpc/databroker/databroker.go @@ -1,7 +1,10 @@ // Package databroker contains databroker protobuf definitions. package databroker -import "strings" +import ( + "context" + "strings" +) // GetUserID gets the databroker user id from a provider user id. func GetUserID(provider, providerUserID string) string { @@ -30,3 +33,28 @@ func ApplyOffsetAndLimit(all []*Record, offset, limit int) (records []*Record, t } return records, len(all) } + +// GetAllPages calls GetAll for all pages of data. +func GetAllPages(ctx context.Context, client DataBrokerServiceClient, in *GetAllRequest) (*GetAllResponse, error) { + var res GetAllResponse + var pageToken string + for { + nxt, err := client.GetAll(ctx, &GetAllRequest{ + Type: in.GetType(), + PageToken: pageToken, + }) + if err != nil { + return nil, err + } + + res.ServerVersion = nxt.ServerVersion + res.RecordVersion = nxt.RecordVersion + res.Records = append(res.Records, nxt.Records...) + + if nxt.NextPageToken == "" { + break + } + pageToken = nxt.NextPageToken + } + return &res, nil +} diff --git a/pkg/grpc/databroker/databroker.pb.go b/pkg/grpc/databroker/databroker.pb.go index e062aed36..8036beb5b 100644 --- a/pkg/grpc/databroker/databroker.pb.go +++ b/pkg/grpc/databroker/databroker.pb.go @@ -336,7 +336,8 @@ type GetAllRequest struct { sizeCache protoimpl.SizeCache unknownFields protoimpl.UnknownFields - Type string `protobuf:"bytes,1,opt,name=type,proto3" json:"type,omitempty"` + Type string `protobuf:"bytes,1,opt,name=type,proto3" json:"type,omitempty"` + PageToken string `protobuf:"bytes,2,opt,name=page_token,json=pageToken,proto3" json:"page_token,omitempty"` } func (x *GetAllRequest) Reset() { @@ -378,6 +379,13 @@ func (x *GetAllRequest) GetType() string { return "" } +func (x *GetAllRequest) GetPageToken() string { + if x != nil { + return x.PageToken + } + return "" +} + type GetAllResponse struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache @@ -386,6 +394,7 @@ type GetAllResponse struct { Records []*Record `protobuf:"bytes,1,rep,name=records,proto3" json:"records,omitempty"` ServerVersion string `protobuf:"bytes,2,opt,name=server_version,json=serverVersion,proto3" json:"server_version,omitempty"` RecordVersion string `protobuf:"bytes,3,opt,name=record_version,json=recordVersion,proto3" json:"record_version,omitempty"` + NextPageToken string `protobuf:"bytes,4,opt,name=next_page_token,json=nextPageToken,proto3" json:"next_page_token,omitempty"` } func (x *GetAllResponse) Reset() { @@ -441,6 +450,13 @@ func (x *GetAllResponse) GetRecordVersion() string { return "" } +func (x *GetAllResponse) GetNextPageToken() string { + if x != nil { + return x.NextPageToken + } + return "" +} + type QueryRequest struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache @@ -891,95 +907,99 @@ var 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b/pkg/grpc/databroker/databroker.proto index 6b27e2f30..b46f4afac 100644 --- a/pkg/grpc/databroker/databroker.proto +++ b/pkg/grpc/databroker/databroker.proto @@ -7,9 +7,7 @@ import "google/protobuf/any.proto"; import "google/protobuf/empty.proto"; import "google/protobuf/timestamp.proto"; -message ServerVersion { - string version = 1; -} +message ServerVersion { string version = 1; } message Record { string version = 1; @@ -32,11 +30,15 @@ message GetRequest { } message GetResponse { Record record = 1; } -message GetAllRequest { string type = 1; } +message GetAllRequest { + string type = 1; + string page_token = 2; +} message GetAllResponse { repeated Record records = 1; string server_version = 2; string record_version = 3; + string next_page_token = 4; } message QueryRequest { diff --git a/pkg/grpc/databroker/databroker_test.go b/pkg/grpc/databroker/databroker_test.go index 944434a70..a9def882f 100644 --- a/pkg/grpc/databroker/databroker_test.go +++ b/pkg/grpc/databroker/databroker_test.go @@ -1,9 +1,18 @@ package databroker import ( + "context" + "net" + "strconv" "testing" + "time" "github.com/stretchr/testify/assert" + "google.golang.org/grpc" + "google.golang.org/grpc/codes" + status "google.golang.org/grpc/status" + "google.golang.org/protobuf/types/known/anypb" + "google.golang.org/protobuf/types/known/wrapperspb" ) func TestApplyOffsetAndLimit(t *testing.T) { @@ -44,3 +53,104 @@ func TestApplyOffsetAndLimit(t *testing.T) { }) } } + +type mockServer struct { + DataBrokerServiceServer + + getAll func(context.Context, *GetAllRequest) (*GetAllResponse, error) +} + +func (m *mockServer) GetAll(ctx context.Context, req *GetAllRequest) (*GetAllResponse, error) { + return m.getAll(ctx, req) +} + +func TestGetAllPages(t *testing.T) { + ctx, cancel := context.WithTimeout(context.Background(), time.Second*10) + defer cancel() + + t.Run("resource exhausted", func(t *testing.T) { + li, err := net.Listen("tcp", "127.0.0.1:0") + if !assert.NoError(t, err) { + return + } + defer li.Close() + + m := &mockServer{ + getAll: func(ctx context.Context, req *GetAllRequest) (*GetAllResponse, error) { + any, _ := anypb.New(wrapperspb.String("TEST")) + var records []*Record + for i := 0; i < 1000000; i++ { + records = append(records, &Record{ + Type: req.GetType(), + Data: any, + }) + } + return &GetAllResponse{Records: records}, nil + }, + } + + srv := grpc.NewServer() + RegisterDataBrokerServiceServer(srv, m) + go srv.Serve(li) + + cc, err := grpc.Dial(li.Addr().String(), grpc.WithInsecure()) + if !assert.NoError(t, err) { + return + } + defer cc.Close() + + c := NewDataBrokerServiceClient(cc) + + res, err := GetAllPages(ctx, c, &GetAllRequest{ + Type: "TEST", + }) + assert.Error(t, err) + assert.Equal(t, codes.ResourceExhausted, status.Code(err)) + assert.Nil(t, res) + }) + t.Run("with paging", func(t *testing.T) { + li, err := net.Listen("tcp", "127.0.0.1:0") + if !assert.NoError(t, err) { + return + } + defer li.Close() + + m := &mockServer{ + getAll: func(ctx context.Context, req *GetAllRequest) (*GetAllResponse, error) { + pageToken, _ := strconv.Atoi(req.GetPageToken()) + + any, _ := anypb.New(wrapperspb.String("TEST")) + var records []*Record + for i := pageToken; i < pageToken+10000 && i < 1000000; i++ { + records = append(records, &Record{ + Type: req.GetType(), + Data: any, + }) + } + if len(records) == 0 { + return &GetAllResponse{}, nil + } + return &GetAllResponse{Records: records, NextPageToken: strconv.Itoa(pageToken + 10000)}, nil + }, + } + + srv := grpc.NewServer() + RegisterDataBrokerServiceServer(srv, m) + go srv.Serve(li) + + cc, err := grpc.Dial(li.Addr().String(), grpc.WithInsecure()) + if !assert.NoError(t, err) { + return + } + defer cc.Close() + + c := NewDataBrokerServiceClient(cc) + + res, err := GetAllPages(ctx, c, &GetAllRequest{ + Type: "TEST", + }) + assert.NoError(t, err) + assert.NotEqual(t, codes.ResourceExhausted, status.Code(err)) + assert.Len(t, res.GetRecords(), 1000000) + }) +}