diff options
Diffstat (limited to 'pkg/metric')
| -rw-r--r-- | pkg/metric/BUILD | 32 | ||||
| -rw-r--r-- | pkg/metric/metric.proto | 76 | ||||
| -rw-r--r-- | pkg/metric/metric_go_proto/metric.pb.go | 523 | ||||
| -rw-r--r-- | pkg/metric/metric_state_autogen.go | 3 | ||||
| -rw-r--r-- | pkg/metric/metric_test.go | 258 |
5 files changed, 526 insertions, 366 deletions
diff --git a/pkg/metric/BUILD b/pkg/metric/BUILD deleted file mode 100644 index 0a6a5d215..000000000 --- a/pkg/metric/BUILD +++ /dev/null @@ -1,32 +0,0 @@ -load("//tools:defs.bzl", "go_library", "go_test", "proto_library") - -package(licenses = ["notice"]) - -go_library( - name = "metric", - srcs = ["metric.go"], - visibility = ["//:sandbox"], - deps = [ - ":metric_go_proto", - "//pkg/eventchannel", - "//pkg/log", - "//pkg/sync", - ], -) - -proto_library( - name = "metric", - srcs = ["metric.proto"], - visibility = ["//:sandbox"], -) - -go_test( - name = "metric_test", - srcs = ["metric_test.go"], - library = ":metric", - deps = [ - ":metric_go_proto", - "//pkg/eventchannel", - "@org_golang_google_protobuf//proto:go_default_library", - ], -) diff --git a/pkg/metric/metric.proto b/pkg/metric/metric.proto deleted file mode 100644 index 3cc89047d..000000000 --- a/pkg/metric/metric.proto +++ /dev/null @@ -1,76 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -syntax = "proto3"; - -package gvisor; - -// MetricMetadata contains all of the metadata describing a single metric. -message MetricMetadata { - // name is the unique name of the metric, usually in a "directory" format - // (e.g., /foo/count). - string name = 1; - - // description is a human-readable description of the metric. - string description = 2; - - // cumulative indicates that this metric is never decremented. - bool cumulative = 3; - - // sync indicates that values from the final metric event should be - // synchronized to the backing monitoring system at exit. - // - // If sync is false, values are only sent to the monitoring system - // periodically. There is no guarantee that values will ever be received by - // the monitoring system. - bool sync = 4; - - enum Type { TYPE_UINT64 = 0; } - - // type is the type of the metric value. - Type type = 5; - - enum Units { - UNITS_NONE = 0; - UNITS_NANOSECONDS = 1; - } - - // units is the units of the metric value. - Units units = 6; -} - -// MetricRegistration contains the metadata for all metrics that will be in -// future MetricUpdates. -message MetricRegistration { - repeated MetricMetadata metrics = 1; -} - -// MetricValue the value of a metric at a single point in time. -message MetricValue { - // name is the unique name of the metric, as in MetricMetadata. - string name = 1; - - // value is the value of the metric at a single point in time. The field set - // depends on the type of the metric. - oneof value { - uint64 uint64_value = 2; - } -} - -// MetricUpdate contains new values for multiple distinct metrics. -// -// Metrics whose values have not changed are not included. -message MetricUpdate { - repeated MetricValue metrics = 1; -} diff --git a/pkg/metric/metric_go_proto/metric.pb.go b/pkg/metric/metric_go_proto/metric.pb.go new file mode 100644 index 000000000..83f53d86c --- /dev/null +++ b/pkg/metric/metric_go_proto/metric.pb.go @@ -0,0 +1,523 @@ +// Code generated by protoc-gen-go. DO NOT EDIT. +// versions: +// protoc-gen-go v1.25.0 +// protoc v3.9.0 +// source: pkg/metric/metric.proto + +package gvisor + +import ( + proto "github.com/golang/protobuf/proto" + protoreflect "google.golang.org/protobuf/reflect/protoreflect" + protoimpl "google.golang.org/protobuf/runtime/protoimpl" + reflect "reflect" + sync "sync" +) + +const ( + // Verify that this generated code is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion) + // Verify that runtime/protoimpl is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20) +) + +// This is a compile-time assertion that a sufficiently up-to-date version +// of the legacy proto package is being used. +const _ = proto.ProtoPackageIsVersion4 + +type MetricMetadata_Type int32 + +const ( + MetricMetadata_TYPE_UINT64 MetricMetadata_Type = 0 +) + +// Enum value maps for MetricMetadata_Type. +var ( + MetricMetadata_Type_name = map[int32]string{ + 0: "TYPE_UINT64", + } + MetricMetadata_Type_value = map[string]int32{ + "TYPE_UINT64": 0, + } +) + +func (x MetricMetadata_Type) Enum() *MetricMetadata_Type { + p := new(MetricMetadata_Type) + *p = x + return p +} + +func (x MetricMetadata_Type) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (MetricMetadata_Type) Descriptor() protoreflect.EnumDescriptor { + return file_pkg_metric_metric_proto_enumTypes[0].Descriptor() +} + +func (MetricMetadata_Type) Type() protoreflect.EnumType { + return &file_pkg_metric_metric_proto_enumTypes[0] +} + +func (x MetricMetadata_Type) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use MetricMetadata_Type.Descriptor instead. +func (MetricMetadata_Type) EnumDescriptor() ([]byte, []int) { + return file_pkg_metric_metric_proto_rawDescGZIP(), []int{0, 0} +} + +type MetricMetadata_Units int32 + +const ( + MetricMetadata_UNITS_NONE MetricMetadata_Units = 0 + MetricMetadata_UNITS_NANOSECONDS MetricMetadata_Units = 1 +) + +// Enum value maps for MetricMetadata_Units. +var ( + MetricMetadata_Units_name = map[int32]string{ + 0: "UNITS_NONE", + 1: "UNITS_NANOSECONDS", + } + MetricMetadata_Units_value = map[string]int32{ + "UNITS_NONE": 0, + "UNITS_NANOSECONDS": 1, + } +) + +func (x MetricMetadata_Units) Enum() *MetricMetadata_Units { + p := new(MetricMetadata_Units) + *p = x + return p +} + +func (x MetricMetadata_Units) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (MetricMetadata_Units) Descriptor() protoreflect.EnumDescriptor { + return file_pkg_metric_metric_proto_enumTypes[1].Descriptor() +} + +func (MetricMetadata_Units) Type() protoreflect.EnumType { + return &file_pkg_metric_metric_proto_enumTypes[1] +} + +func (x MetricMetadata_Units) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use MetricMetadata_Units.Descriptor instead. +func (MetricMetadata_Units) EnumDescriptor() ([]byte, []int) { + return file_pkg_metric_metric_proto_rawDescGZIP(), []int{0, 1} +} + +type MetricMetadata struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"` + Description string `protobuf:"bytes,2,opt,name=description,proto3" json:"description,omitempty"` + Cumulative bool `protobuf:"varint,3,opt,name=cumulative,proto3" json:"cumulative,omitempty"` + Sync bool `protobuf:"varint,4,opt,name=sync,proto3" json:"sync,omitempty"` + Type MetricMetadata_Type `protobuf:"varint,5,opt,name=type,proto3,enum=gvisor.MetricMetadata_Type" json:"type,omitempty"` + Units MetricMetadata_Units `protobuf:"varint,6,opt,name=units,proto3,enum=gvisor.MetricMetadata_Units" json:"units,omitempty"` +} + +func (x *MetricMetadata) Reset() { + *x = MetricMetadata{} + if protoimpl.UnsafeEnabled { + mi := &file_pkg_metric_metric_proto_msgTypes[0] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *MetricMetadata) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*MetricMetadata) ProtoMessage() {} + +func (x *MetricMetadata) ProtoReflect() protoreflect.Message { + mi := &file_pkg_metric_metric_proto_msgTypes[0] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use MetricMetadata.ProtoReflect.Descriptor instead. +func (*MetricMetadata) Descriptor() ([]byte, []int) { + return file_pkg_metric_metric_proto_rawDescGZIP(), []int{0} +} + +func (x *MetricMetadata) GetName() string { + if x != nil { + return x.Name + } + return "" +} + +func (x *MetricMetadata) GetDescription() string { + if x != nil { + return x.Description + } + return "" +} + +func (x *MetricMetadata) GetCumulative() bool { + if x != nil { + return x.Cumulative + } + return false +} + +func (x *MetricMetadata) GetSync() bool { + if x != nil { + return x.Sync + } + return false +} + +func (x *MetricMetadata) GetType() MetricMetadata_Type { + if x != nil { + return x.Type + } + return MetricMetadata_TYPE_UINT64 +} + +func (x *MetricMetadata) GetUnits() MetricMetadata_Units { + if x != nil { + return x.Units + } + return MetricMetadata_UNITS_NONE +} + +type MetricRegistration struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + Metrics []*MetricMetadata `protobuf:"bytes,1,rep,name=metrics,proto3" json:"metrics,omitempty"` +} + +func (x *MetricRegistration) Reset() { + *x = MetricRegistration{} + if protoimpl.UnsafeEnabled { + mi := &file_pkg_metric_metric_proto_msgTypes[1] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *MetricRegistration) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*MetricRegistration) ProtoMessage() {} + +func (x *MetricRegistration) ProtoReflect() protoreflect.Message { + mi := &file_pkg_metric_metric_proto_msgTypes[1] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use MetricRegistration.ProtoReflect.Descriptor instead. +func (*MetricRegistration) Descriptor() ([]byte, []int) { + return file_pkg_metric_metric_proto_rawDescGZIP(), []int{1} +} + +func (x *MetricRegistration) GetMetrics() []*MetricMetadata { + if x != nil { + return x.Metrics + } + return nil +} + +type MetricValue struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"` + // Types that are assignable to Value: + // *MetricValue_Uint64Value + Value isMetricValue_Value `protobuf_oneof:"value"` +} + +func (x *MetricValue) Reset() { + *x = MetricValue{} + if protoimpl.UnsafeEnabled { + mi := &file_pkg_metric_metric_proto_msgTypes[2] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *MetricValue) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*MetricValue) ProtoMessage() {} + +func (x *MetricValue) ProtoReflect() protoreflect.Message { + mi := &file_pkg_metric_metric_proto_msgTypes[2] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use MetricValue.ProtoReflect.Descriptor instead. +func (*MetricValue) Descriptor() ([]byte, []int) { + return file_pkg_metric_metric_proto_rawDescGZIP(), []int{2} +} + +func (x *MetricValue) GetName() string { + if x != nil { + return x.Name + } + return "" +} + +func (m *MetricValue) GetValue() isMetricValue_Value { + if m != nil { + return m.Value + } + return nil +} + +func (x *MetricValue) GetUint64Value() uint64 { + if x, ok := x.GetValue().(*MetricValue_Uint64Value); ok { + return x.Uint64Value + } + return 0 +} + +type isMetricValue_Value interface { + isMetricValue_Value() +} + +type MetricValue_Uint64Value struct { + Uint64Value uint64 `protobuf:"varint,2,opt,name=uint64_value,json=uint64Value,proto3,oneof"` +} + +func (*MetricValue_Uint64Value) isMetricValue_Value() {} + +type MetricUpdate struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + Metrics []*MetricValue `protobuf:"bytes,1,rep,name=metrics,proto3" json:"metrics,omitempty"` +} + +func (x *MetricUpdate) Reset() { + *x = MetricUpdate{} + if protoimpl.UnsafeEnabled { + mi := &file_pkg_metric_metric_proto_msgTypes[3] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *MetricUpdate) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*MetricUpdate) ProtoMessage() {} + +func (x *MetricUpdate) ProtoReflect() protoreflect.Message { + mi := &file_pkg_metric_metric_proto_msgTypes[3] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use MetricUpdate.ProtoReflect.Descriptor instead. +func (*MetricUpdate) Descriptor() ([]byte, []int) { + return file_pkg_metric_metric_proto_rawDescGZIP(), []int{3} +} + +func (x *MetricUpdate) GetMetrics() []*MetricValue { + if x != nil { + return x.Metrics + } + return nil +} + +var File_pkg_metric_metric_proto protoreflect.FileDescriptor + +var file_pkg_metric_metric_proto_rawDesc = []byte{ + 0x0a, 0x17, 0x70, 0x6b, 0x67, 0x2f, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x2f, 0x6d, 0x65, 0x74, + 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gvisor.MetricMetadata.Type + (MetricMetadata_Units)(0), // 1: gvisor.MetricMetadata.Units + (*MetricMetadata)(nil), // 2: gvisor.MetricMetadata + (*MetricRegistration)(nil), // 3: gvisor.MetricRegistration + (*MetricValue)(nil), // 4: gvisor.MetricValue + (*MetricUpdate)(nil), // 5: gvisor.MetricUpdate +} +var file_pkg_metric_metric_proto_depIdxs = []int32{ + 0, // 0: gvisor.MetricMetadata.type:type_name -> gvisor.MetricMetadata.Type + 1, // 1: gvisor.MetricMetadata.units:type_name -> gvisor.MetricMetadata.Units + 2, // 2: gvisor.MetricRegistration.metrics:type_name -> gvisor.MetricMetadata + 4, // 3: gvisor.MetricUpdate.metrics:type_name -> gvisor.MetricValue + 4, // [4:4] is the sub-list for method output_type + 4, // [4:4] is the sub-list for method input_type + 4, // [4:4] is the sub-list for extension type_name + 4, // [4:4] is the sub-list for extension extendee + 0, // [0:4] is the sub-list for field type_name +} + +func init() { file_pkg_metric_metric_proto_init() } +func file_pkg_metric_metric_proto_init() { + if File_pkg_metric_metric_proto != nil { + return + } + if !protoimpl.UnsafeEnabled { + file_pkg_metric_metric_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*MetricMetadata); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_pkg_metric_metric_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*MetricRegistration); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_pkg_metric_metric_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*MetricValue); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_pkg_metric_metric_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*MetricUpdate); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + } + file_pkg_metric_metric_proto_msgTypes[2].OneofWrappers = []interface{}{ + (*MetricValue_Uint64Value)(nil), + } + type x struct{} + out := protoimpl.TypeBuilder{ + File: protoimpl.DescBuilder{ + GoPackagePath: reflect.TypeOf(x{}).PkgPath(), + RawDescriptor: file_pkg_metric_metric_proto_rawDesc, + NumEnums: 2, + NumMessages: 4, + NumExtensions: 0, + NumServices: 0, + }, + GoTypes: file_pkg_metric_metric_proto_goTypes, + DependencyIndexes: file_pkg_metric_metric_proto_depIdxs, + EnumInfos: file_pkg_metric_metric_proto_enumTypes, + MessageInfos: file_pkg_metric_metric_proto_msgTypes, + }.Build() + File_pkg_metric_metric_proto = out.File + file_pkg_metric_metric_proto_rawDesc = nil + file_pkg_metric_metric_proto_goTypes = nil + file_pkg_metric_metric_proto_depIdxs = nil +} diff --git a/pkg/metric/metric_state_autogen.go b/pkg/metric/metric_state_autogen.go new file mode 100644 index 000000000..36e5ed81b --- /dev/null +++ b/pkg/metric/metric_state_autogen.go @@ -0,0 +1,3 @@ +// automatically generated by stateify. + +package metric diff --git a/pkg/metric/metric_test.go b/pkg/metric/metric_test.go deleted file mode 100644 index aefd0ea5c..000000000 --- a/pkg/metric/metric_test.go +++ /dev/null @@ -1,258 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package metric - -import ( - "testing" - - "google.golang.org/protobuf/proto" - "gvisor.dev/gvisor/pkg/eventchannel" - pb "gvisor.dev/gvisor/pkg/metric/metric_go_proto" -) - -// sliceEmitter implements eventchannel.Emitter by appending all messages to a -// slice. -type sliceEmitter []proto.Message - -// Emit implements eventchannel.Emitter.Emit. -func (s *sliceEmitter) Emit(msg proto.Message) (bool, error) { - *s = append(*s, msg) - return false, nil -} - -// Emit implements eventchannel.Emitter.Close. -func (s *sliceEmitter) Close() error { - return nil -} - -// Reset clears all events in s. -func (s *sliceEmitter) Reset() { - *s = nil -} - -// emitter is the eventchannel.Emitter used for all tests. Package eventchannel -// doesn't allow removing Emitters, so we must use one global emitter for all -// test cases. -var emitter sliceEmitter - -func init() { - eventchannel.AddEmitter(&emitter) -} - -// reset clears all global state in the metric package. -func reset() { - initialized = false - allMetrics = makeMetricSet() - emitter.Reset() -} - -const ( - fooDescription = "Foo!" - barDescription = "Bar Baz" -) - -func TestInitialize(t *testing.T) { - defer reset() - - _, err := NewUint64Metric("/foo", false, pb.MetricMetadata_UNITS_NONE, fooDescription) - if err != nil { - t.Fatalf("NewUint64Metric got err %v want nil", err) - } - - _, err = NewUint64Metric("/bar", true, pb.MetricMetadata_UNITS_NANOSECONDS, barDescription) - if err != nil { - t.Fatalf("NewUint64Metric got err %v want nil", err) - } - - Initialize() - - if len(emitter) != 1 { - t.Fatalf("Initialize emitted %d events want 1", len(emitter)) - } - - mr, ok := emitter[0].(*pb.MetricRegistration) - if !ok { - t.Fatalf("emitter %v got %T want pb.MetricRegistration", emitter[0], emitter[0]) - } - - if len(mr.Metrics) != 2 { - t.Errorf("MetricRegistration got %d metrics want 2", len(mr.Metrics)) - } - - foundFoo := false - foundBar := false - for _, m := range mr.Metrics { - if m.Type != pb.MetricMetadata_TYPE_UINT64 { - t.Errorf("Metadata %+v Type got %v want %v", m, m.Type, pb.MetricMetadata_TYPE_UINT64) - } - if !m.Cumulative { - t.Errorf("Metadata %+v Cumulative got false want true", m) - } - - switch m.Name { - case "/foo": - foundFoo = true - if m.Description != fooDescription { - t.Errorf("/foo %+v Description got %q want %q", m, m.Description, fooDescription) - } - if m.Sync { - t.Errorf("/foo %+v Sync got true want false", m) - } - if m.Units != pb.MetricMetadata_UNITS_NONE { - t.Errorf("/foo %+v Units got %v want %v", m, m.Units, pb.MetricMetadata_UNITS_NONE) - } - case "/bar": - foundBar = true - if m.Description != barDescription { - t.Errorf("/bar %+v Description got %q want %q", m, m.Description, barDescription) - } - if !m.Sync { - t.Errorf("/bar %+v Sync got true want false", m) - } - if m.Units != pb.MetricMetadata_UNITS_NANOSECONDS { - t.Errorf("/bar %+v Units got %v want %v", m, m.Units, pb.MetricMetadata_UNITS_NANOSECONDS) - } - } - } - - if !foundFoo { - t.Errorf("/foo not found: %+v", emitter) - } - if !foundBar { - t.Errorf("/bar not found: %+v", emitter) - } -} - -func TestDisable(t *testing.T) { - defer reset() - - _, err := NewUint64Metric("/foo", false, pb.MetricMetadata_UNITS_NONE, fooDescription) - if err != nil { - t.Fatalf("NewUint64Metric got err %v want nil", err) - } - - _, err = NewUint64Metric("/bar", true, pb.MetricMetadata_UNITS_NONE, barDescription) - if err != nil { - t.Fatalf("NewUint64Metric got err %v want nil", err) - } - - Disable() - - if len(emitter) != 1 { - t.Fatalf("Initialize emitted %d events want 1", len(emitter)) - } - - mr, ok := emitter[0].(*pb.MetricRegistration) - if !ok { - t.Fatalf("emitter %v got %T want pb.MetricRegistration", emitter[0], emitter[0]) - } - - if len(mr.Metrics) != 0 { - t.Errorf("MetricRegistration got %d metrics want 0", len(mr.Metrics)) - } -} - -func TestEmitMetricUpdate(t *testing.T) { - defer reset() - - foo, err := NewUint64Metric("/foo", false, pb.MetricMetadata_UNITS_NONE, fooDescription) - if err != nil { - t.Fatalf("NewUint64Metric got err %v want nil", err) - } - - _, err = NewUint64Metric("/bar", true, pb.MetricMetadata_UNITS_NONE, barDescription) - if err != nil { - t.Fatalf("NewUint64Metric got err %v want nil", err) - } - - Initialize() - - // Don't care about the registration metrics. - emitter.Reset() - EmitMetricUpdate() - - if len(emitter) != 1 { - t.Fatalf("EmitMetricUpdate emitted %d events want 1", len(emitter)) - } - - update, ok := emitter[0].(*pb.MetricUpdate) - if !ok { - t.Fatalf("emitter %v got %T want pb.MetricUpdate", emitter[0], emitter[0]) - } - - if len(update.Metrics) != 2 { - t.Errorf("MetricUpdate got %d metrics want 2", len(update.Metrics)) - } - - // Both are included for their initial values. - foundFoo := false - foundBar := false - for _, m := range update.Metrics { - switch m.Name { - case "/foo": - foundFoo = true - case "/bar": - foundBar = true - } - uv, ok := m.Value.(*pb.MetricValue_Uint64Value) - if !ok { - t.Errorf("%+v: value %v got %T want pb.MetricValue_Uint64Value", m, m.Value, m.Value) - continue - } - if uv.Uint64Value != 0 { - t.Errorf("%v: Value got %v want 0", m, uv.Uint64Value) - } - } - - if !foundFoo { - t.Errorf("/foo not found: %+v", emitter) - } - if !foundBar { - t.Errorf("/bar not found: %+v", emitter) - } - - // Increment foo. Only it is included in the next update. - foo.Increment() - - emitter.Reset() - EmitMetricUpdate() - - if len(emitter) != 1 { - t.Fatalf("EmitMetricUpdate emitted %d events want 1", len(emitter)) - } - - update, ok = emitter[0].(*pb.MetricUpdate) - if !ok { - t.Fatalf("emitter %v got %T want pb.MetricUpdate", emitter[0], emitter[0]) - } - - if len(update.Metrics) != 1 { - t.Errorf("MetricUpdate got %d metrics want 1", len(update.Metrics)) - } - - m := update.Metrics[0] - - if m.Name != "/foo" { - t.Errorf("Metric %+v name got %q want '/foo'", m, m.Name) - } - - uv, ok := m.Value.(*pb.MetricValue_Uint64Value) - if !ok { - t.Errorf("%+v: value %v got %T want pb.MetricValue_Uint64Value", m, m.Value, m.Value) - } - if uv.Uint64Value != 1 { - t.Errorf("%v: Value got %v want 1", m, uv.Uint64Value) - } -} |