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Merge pull request #2241 from tonistiigi/tracetransform-rm 

remove tracetransform package
v0.9
Akihiro Suda 2021-07-13 12:47:26 +09:00 committed by GitHub
parent 3f0d4a4662 936df190af
commit 1018595476
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 0 additions and 419 deletions
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141
util/tracing/tracetransform/attribute.go
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@ -1,141 +0,0 @@
// Copyright The OpenTelemetry 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 tracetransform
import (
"reflect"
"go.opentelemetry.io/otel/attribute"
commonpb "go.opentelemetry.io/proto/otlp/common/v1"
"go.opentelemetry.io/otel/sdk/resource"
)
// Attributes transforms a slice of KeyValues into a slice of OTLP attribute key-values.
func Attributes(attrs []attribute.KeyValue) []*commonpb.KeyValue {
if len(attrs) == 0 {
return nil
}
out := make([]*commonpb.KeyValue, 0, len(attrs))
for _, kv := range attrs {
out = append(out, toAttribute(kv))
}
return out
}
// ResourceAttributes transforms a Resource into a slice of OTLP attribute key-values.
func ResourceAttributes(resource *resource.Resource) []*commonpb.KeyValue {
if resource.Len() == 0 {
return nil
}
out := make([]*commonpb.KeyValue, 0, resource.Len())
for iter := resource.Iter(); iter.Next(); {
out = append(out, toAttribute(iter.Attribute()))
}
return out
}
func toAttribute(v attribute.KeyValue) *commonpb.KeyValue {
result := &commonpb.KeyValue{
Key: string(v.Key),
Value: new(commonpb.AnyValue),
}
switch v.Value.Type() {
case attribute.BOOL:
result.Value.Value = &commonpb.AnyValue_BoolValue{
BoolValue: v.Value.AsBool(),
}
case attribute.INT64:
result.Value.Value = &commonpb.AnyValue_IntValue{
IntValue: v.Value.AsInt64(),
}
case attribute.FLOAT64:
result.Value.Value = &commonpb.AnyValue_DoubleValue{
DoubleValue: v.Value.AsFloat64(),
}
case attribute.STRING:
result.Value.Value = &commonpb.AnyValue_StringValue{
StringValue: v.Value.AsString(),
}
case attribute.ARRAY:
result.Value.Value = &commonpb.AnyValue_ArrayValue{
ArrayValue: &commonpb.ArrayValue{
Values: arrayValues(v),
},
}
default:
result.Value.Value = &commonpb.AnyValue_StringValue{
StringValue: "INVALID",
}
}
return result
}
func arrayValues(kv attribute.KeyValue) []*commonpb.AnyValue {
a := kv.Value.AsArray()
aType := reflect.TypeOf(a)
var valueFunc func(reflect.Value) *commonpb.AnyValue
switch aType.Elem().Kind() {
case reflect.Bool:
valueFunc = func(v reflect.Value) *commonpb.AnyValue {
return &commonpb.AnyValue{
Value: &commonpb.AnyValue_BoolValue{
BoolValue: v.Bool(),
},
}
}
case reflect.Int, reflect.Int64:
valueFunc = func(v reflect.Value) *commonpb.AnyValue {
return &commonpb.AnyValue{
Value: &commonpb.AnyValue_IntValue{
IntValue: v.Int(),
},
}
}
case reflect.Uintptr:
valueFunc = func(v reflect.Value) *commonpb.AnyValue {
return &commonpb.AnyValue{
Value: &commonpb.AnyValue_IntValue{
IntValue: int64(v.Uint()),
},
}
}
case reflect.Float64:
valueFunc = func(v reflect.Value) *commonpb.AnyValue {
return &commonpb.AnyValue{
Value: &commonpb.AnyValue_DoubleValue{
DoubleValue: v.Float(),
},
}
}
case reflect.String:
valueFunc = func(v reflect.Value) *commonpb.AnyValue {
return &commonpb.AnyValue{
Value: &commonpb.AnyValue_StringValue{
StringValue: v.String(),
},
}
}
}
results := make([]*commonpb.AnyValue, aType.Len())
for i, aValue := 0, reflect.ValueOf(a); i < aValue.Len(); i++ {
results[i] = valueFunc(aValue.Index(i))
}
return results
}

31
util/tracing/tracetransform/instrumentation.go
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@ -1,31 +0,0 @@
// Copyright The OpenTelemetry 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 tracetransform
import (
commonpb "go.opentelemetry.io/proto/otlp/common/v1"
"go.opentelemetry.io/otel/sdk/instrumentation"
)
func InstrumentationLibrary(il instrumentation.Library) *commonpb.InstrumentationLibrary {
if il == (instrumentation.Library{}) {
return nil
}
return &commonpb.InstrumentationLibrary{
Name: il.Name,
Version: il.Version,
}
}

29
util/tracing/tracetransform/resource.go
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@ -1,29 +0,0 @@
// Copyright The OpenTelemetry 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 tracetransform
import (
resourcepb "go.opentelemetry.io/proto/otlp/resource/v1"
"go.opentelemetry.io/otel/sdk/resource"
)
// Resource transforms a Resource into an OTLP Resource.
func Resource(r *resource.Resource) *resourcepb.Resource {
if r == nil {
return nil
}
return &resourcepb.Resource{Attributes: ResourceAttributes(r)}
}

218
util/tracing/tracetransform/span.go
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@ -1,218 +0,0 @@
// Copyright The OpenTelemetry 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 tracetransform
import (
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/codes"
tracepb "go.opentelemetry.io/proto/otlp/trace/v1"
"go.opentelemetry.io/otel/sdk/instrumentation"
tracesdk "go.opentelemetry.io/otel/sdk/trace"
"go.opentelemetry.io/otel/trace"
)
const (
maxEventsPerSpan = 128
)
// Spans transforms a slice of OpenTelemetry spans into a slice of OTLP
// ResourceSpans.
func Spans(sdl []tracesdk.ReadOnlySpan) []*tracepb.ResourceSpans {
if len(sdl) == 0 {
return nil
}
rsm := make(map[attribute.Distinct]*tracepb.ResourceSpans)
type ilsKey struct {
r attribute.Distinct
il instrumentation.Library
}
ilsm := make(map[ilsKey]*tracepb.InstrumentationLibrarySpans)
var resources int
for _, sd := range sdl {
if sd == nil {
continue
}
rKey := sd.Resource().Equivalent()
iKey := ilsKey{
r: rKey,
il: sd.InstrumentationLibrary(),
}
ils, iOk := ilsm[iKey]
if !iOk {
// Either the resource or instrumentation library were unknown.
ils = &tracepb.InstrumentationLibrarySpans{
InstrumentationLibrary: InstrumentationLibrary(sd.InstrumentationLibrary()),
Spans: []*tracepb.Span{},
}
}
ils.Spans = append(ils.Spans, span(sd))
ilsm[iKey] = ils
rs, rOk := rsm[rKey]
if !rOk {
resources++
// The resource was unknown.
rs = &tracepb.ResourceSpans{
Resource: Resource(sd.Resource()),
InstrumentationLibrarySpans: []*tracepb.InstrumentationLibrarySpans{ils},
}
rsm[rKey] = rs
continue
}
// The resource has been seen before. Check if the instrumentation
// library lookup was unknown because if so we need to add it to the
// ResourceSpans. Otherwise, the instrumentation library has already
// been seen and the append we did above will be included it in the
// InstrumentationLibrarySpans reference.
if !iOk {
rs.InstrumentationLibrarySpans = append(rs.InstrumentationLibrarySpans, ils)
}
}
// Transform the categorized map into a slice
rss := make([]*tracepb.ResourceSpans, 0, resources)
for _, rs := range rsm {
rss = append(rss, rs)
}
return rss
}
// span transforms a Span into an OTLP span.
func span(sd tracesdk.ReadOnlySpan) *tracepb.Span {
if sd == nil {
return nil
}
tid := sd.SpanContext().TraceID()
sid := sd.SpanContext().SpanID()
s := &tracepb.Span{
TraceId: tid[:],
SpanId: sid[:],
TraceState: sd.SpanContext().TraceState().String(),
Status: status(sd.Status().Code, sd.Status().Description),
StartTimeUnixNano: uint64(sd.StartTime().UnixNano()),
EndTimeUnixNano: uint64(sd.EndTime().UnixNano()),
Links: links(sd.Links()),
Kind: spanKind(sd.SpanKind()),
Name: sd.Name(),
Attributes: Attributes(sd.Attributes()),
Events: spanEvents(sd.Events()),
DroppedAttributesCount: uint32(sd.DroppedAttributes()),
DroppedEventsCount: uint32(sd.DroppedEvents()),
DroppedLinksCount: uint32(sd.DroppedLinks()),
}
if psid := sd.Parent().SpanID(); psid.IsValid() {
s.ParentSpanId = psid[:]
}
return s
}
// status transform a span code and message into an OTLP span status.
func status(status codes.Code, message string) *tracepb.Status {
var c tracepb.Status_StatusCode
switch status {
case codes.Error:
c = tracepb.Status_STATUS_CODE_ERROR
default:
c = tracepb.Status_STATUS_CODE_OK
}
return &tracepb.Status{
Code: c,
Message: message,
}
}
// links transforms span Links to OTLP span links.
func links(links []trace.Link) []*tracepb.Span_Link {
if len(links) == 0 {
return nil
}
sl := make([]*tracepb.Span_Link, 0, len(links))
for _, otLink := range links {
// This redefinition is necessary to prevent otLink.*ID[:] copies
// being reused -- in short we need a new otLink per iteration.
otLink := otLink
tid := otLink.SpanContext.TraceID()
sid := otLink.SpanContext.SpanID()
sl = append(sl, &tracepb.Span_Link{
TraceId: tid[:],
SpanId: sid[:],
Attributes: Attributes(otLink.Attributes),
})
}
return sl
}
// spanEvents transforms span Events to an OTLP span events.
func spanEvents(es []tracesdk.Event) []*tracepb.Span_Event {
if len(es) == 0 {
return nil
}
evCount := len(es)
if evCount > maxEventsPerSpan {
evCount = maxEventsPerSpan
}
events := make([]*tracepb.Span_Event, 0, evCount)
nEvents := 0
// Transform message events
for _, e := range es {
if nEvents >= maxEventsPerSpan {
break
}
nEvents++
events = append(events,
&tracepb.Span_Event{
Name: e.Name,
TimeUnixNano: uint64(e.Time.UnixNano()),
Attributes: Attributes(e.Attributes),
// TODO (rghetia) : Add Drop Counts when supported.
},
)
}
return events
}
// spanKind transforms a SpanKind to an OTLP span kind.
func spanKind(kind trace.SpanKind) tracepb.Span_SpanKind {
switch kind {
case trace.SpanKindInternal:
return tracepb.Span_SPAN_KIND_INTERNAL
case trace.SpanKindClient:
return tracepb.Span_SPAN_KIND_CLIENT
case trace.SpanKindServer:
return tracepb.Span_SPAN_KIND_SERVER
case trace.SpanKindProducer:
return tracepb.Span_SPAN_KIND_PRODUCER
case trace.SpanKindConsumer:
return tracepb.Span_SPAN_KIND_CONSUMER
default:
return tracepb.Span_SPAN_KIND_UNSPECIFIED
}
}