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Signed-off-by: Artem Glazychev <artem.glazychev@xored.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| // Copyright (c) 2021 Doc.ai and/or its affiliates. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // 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 metrics provides a chain element that sends metrics to collector | ||
| package metrics | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
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| "github.com/golang/protobuf/ptypes/empty" | ||
| "github.com/networkservicemesh/api/pkg/api/networkservice" | ||
|
|
||
| "github.com/networkservicemesh/sdk/pkg/networkservice/core/next" | ||
| "github.com/networkservicemesh/sdk/pkg/tools/opentelemetry/meterhelper" | ||
| ) | ||
|
|
||
| type metricServer struct { | ||
| helpers map[string]meterhelper.MeterHelper | ||
| } | ||
|
|
||
| // NewServer returns a new metric server chain element | ||
| func NewServer() networkservice.NetworkServiceServer { | ||
| return &metricServer{ | ||
| helpers: make(map[string]meterhelper.MeterHelper), | ||
| } | ||
| } | ||
|
|
||
| func (t *metricServer) Request(ctx context.Context, request *networkservice.NetworkServiceRequest) (*networkservice.Connection, error) { | ||
| conn, err := next.Server(ctx).Request(ctx, request) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| t.writeMetrics(ctx, conn.GetPath()) | ||
| return conn, nil | ||
| } | ||
|
|
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| func (t *metricServer) Close(ctx context.Context, conn *networkservice.Connection) (*empty.Empty, error) { | ||
| _, err := next.Server(ctx).Close(ctx, conn) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| t.writeMetrics(ctx, conn.GetPath()) | ||
| return &empty.Empty{}, nil | ||
| } | ||
|
|
||
| func (t *metricServer) writeMetrics(ctx context.Context, path *networkservice.Path) { | ||
| if path != nil { | ||
| for _, pathSegment := range path.GetPathSegments() { | ||
| if pathSegment.Metrics == nil { | ||
| continue | ||
| } | ||
| _, ok := t.helpers[pathSegment.Id] | ||
| if !ok { | ||
| t.helpers[pathSegment.Id] = meterhelper.NewMeterHelper(pathSegment.Name, path.GetPathSegments()[0].Id) | ||
| } | ||
| t.helpers[pathSegment.Id].WriteMetrics(ctx, pathSegment.Metrics) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| // Copyright (c) 2021 Doc.ai and/or its affiliates. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // 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 spanlogger | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
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| "github.com/opentracing/opentracing-go" | ||
| opentracinglog "github.com/opentracing/opentracing-go/log" | ||
| "go.opentelemetry.io/otel" | ||
| "go.opentelemetry.io/otel/attribute" | ||
| opentelemetry "go.opentelemetry.io/otel/trace" | ||
|
|
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| opentelemetrynsm "github.com/networkservicemesh/sdk/pkg/tools/opentelemetry" | ||
| ) | ||
|
|
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| // Span - unified interface for opentracing/opentelemetry spans | ||
| type Span interface { | ||
| Log(level, format string, v ...interface{}) | ||
| LogObject(k, v interface{}) | ||
| WithField(k, v interface{}) Span | ||
| Finish() | ||
|
|
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| ToString() string | ||
| } | ||
|
|
||
| // Opentracing span | ||
| type otSpan struct { | ||
| span opentracing.Span | ||
| } | ||
|
|
||
| func (otsp *otSpan) Log(level, format string, v ...interface{}) { | ||
| otsp.span.LogFields( | ||
| opentracinglog.String("event", level), | ||
| opentracinglog.String("message", fmt.Sprintf(format, v...)), | ||
| ) | ||
| } | ||
|
|
||
| func (otsp *otSpan) LogObject(k, v interface{}) { | ||
| otsp.span.LogFields(opentracinglog.Object(k.(string), v)) | ||
| } | ||
|
|
||
| func (otsp *otSpan) WithField(k, v interface{}) Span { | ||
| otsp.span = otsp.span.SetTag(k.(string), v) | ||
| return otsp | ||
| } | ||
|
|
||
| func (otsp *otSpan) ToString() string { | ||
| if spanStr := fmt.Sprintf("%v", otsp.span); spanStr != "{}" { | ||
| return spanStr | ||
| } | ||
| return "" | ||
| } | ||
|
|
||
| func (otsp *otSpan) Finish() { | ||
| otsp.span.Finish() | ||
| } | ||
|
|
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| func newOTSpan(ctx context.Context, operationName string, additionalFields map[string]interface{}) (c context.Context, s Span) { | ||
| span, ctx := opentracing.StartSpanFromContext(ctx, operationName) | ||
| for k, v := range additionalFields { | ||
| span = span.SetTag(k, v) | ||
| } | ||
| return ctx, &otSpan{span: span} | ||
| } | ||
|
|
||
| // Opentelemetry span | ||
| type otelSpan struct { | ||
| span opentelemetry.Span | ||
| } | ||
|
|
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| func (otelsp *otelSpan) Log(level, format string, v ...interface{}) { | ||
| otelsp.span.AddEvent( | ||
| "", | ||
| opentelemetry.WithAttributes([]attribute.KeyValue{ | ||
| attribute.String("event", level), | ||
| attribute.String("message", fmt.Sprintf(format, v...)), | ||
| }...), | ||
| ) | ||
| } | ||
|
|
||
| func (otelsp *otelSpan) LogObject(k, v interface{}) { | ||
| otelsp.span.AddEvent( | ||
| "", | ||
| opentelemetry.WithAttributes([]attribute.KeyValue{ | ||
| attribute.String(fmt.Sprintf("%v", k), fmt.Sprintf("%v", v)), | ||
| }...), | ||
| ) | ||
| } | ||
|
|
||
| func (otelsp *otelSpan) WithField(k, v interface{}) Span { | ||
| otelsp.span.SetAttributes(attribute.Any(k.(string), v)) | ||
| return otelsp | ||
| } | ||
|
|
||
| func (otelsp *otelSpan) ToString() string { | ||
| if spanID := otelsp.span.SpanContext().SpanID(); spanID.IsValid() { | ||
| return spanID.String() | ||
| } | ||
| return "" | ||
| } | ||
|
|
||
| func (otelsp *otelSpan) Finish() { | ||
| otelsp.span.End() | ||
| } | ||
|
|
||
| func newOTELSpan(ctx context.Context, operationName string, additionalFields map[string]interface{}) (c context.Context, s Span) { | ||
| var add []attribute.KeyValue | ||
|
|
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| for k, v := range additionalFields { | ||
| add = append(add, attribute.Any(k, v)) | ||
| } | ||
|
|
||
| ctx, span := otel.Tracer(opentelemetrynsm.InstrumentationName).Start(ctx, operationName) | ||
| span.SetAttributes(add...) | ||
|
|
||
| return ctx, &otelSpan{span: span} | ||
| } |
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