1
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mirror of https://github.com/open-telemetry/opentelemetry-go.git synced 2025-11-23 22:34:47 +02:00

Remove the experimental SDK (#221)

* Remove the experimental SDK

* Remove the experimental SDK from README.md

* Remove the experimental SDK from Makefile
This commit is contained in:
Joshua MacDonald
2019-10-17 14:21:50 -07:00
committed by GitHub
parent 4172bdfbf9
commit 0025ffcc71
26 changed files with 1 additions and 2146 deletions

View File

@@ -5,8 +5,7 @@ export GO111MODULE=on
EXAMPLES := \
./example/basic \
./example/http/client \
./example/http/server \
./experimental/streaming/example/basic
./example/http/server
# All source code and documents. Used in spell check.
ALL_DOCS := $(shell find . -name '*.md' -type f | sort)

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@@ -105,12 +105,3 @@ attempt to maintain backwards compatibility with the alpha release.
| Trace Context Propagation | Alpha | Unknown |
| OpenTracing Bridge | Alpha | October |
| OpenCensus Bridge | Alpha | Unknown |
## Experimental streaming SDK
The `experimental/streaming` directory contains an experimental SDK
that supports a low-level exporter.
```
go run experimental/streaming/example/basic/main.go
```

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@@ -1,7 +0,0 @@
module github.com/open-telemetry/opentelemetry-go/experimental/streaming/example/basic
go 1.12
replace go.opentelemetry.io => ../../../..
require go.opentelemetry.io v0.0.0-00010101000000-000000000000

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@@ -1,367 +0,0 @@
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github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
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github.com/valyala/quicktemplate v1.2.0/go.mod h1:EH+4AkTd43SvgIbQHYu59/cJyxDoOVRUAfrukLPuGJ4=
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go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
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go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
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golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
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mvdan.cc/unparam v0.0.0-20190720180237-d51796306d8f/go.mod h1:4G1h5nDURzA3bwVMZIVpwbkw+04kSxk3rAtzlimaUJw=
mvdan.cc/unparam v0.0.0-20190917161559-b83a221c10a2/go.mod h1:rCqoQrfAmpTX/h2APczwM7UymU/uvaOluiVPIYCSY/k=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=
sourcegraph.com/sqs/pbtypes v1.0.0/go.mod h1:3AciMUv4qUuRHRHhOG4TZOB+72GdPVz5k+c648qsFS4=

View File

@@ -1,99 +0,0 @@
// Copyright 2019, 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 main
import (
"context"
"go.opentelemetry.io/api/distributedcontext"
"go.opentelemetry.io/api/key"
"go.opentelemetry.io/api/metric"
"go.opentelemetry.io/api/trace"
"go.opentelemetry.io/experimental/streaming/exporter/spanlog"
"go.opentelemetry.io/experimental/streaming/sdk"
)
var (
streaming = sdk.New(spanlog.New())
tracer trace.Tracer = streaming
meter metric.Meter = streaming
fooKey = key.New("ex.com/foo")
barKey = key.New("ex.com/bar")
lemonsKey = key.New("ex.com/lemons")
anotherKey = key.New("ex.com/another")
oneMetric = metric.NewFloat64Gauge("ex.com/one",
metric.WithKeys(fooKey, barKey, lemonsKey),
metric.WithDescription("A gauge set to 1.0"),
)
measureTwo = metric.NewFloat64Measure("ex.com/two")
)
func main() {
ctx := context.Background()
ctx = distributedcontext.NewContext(ctx,
distributedcontext.Insert(fooKey.String("foo1")),
distributedcontext.Insert(barKey.String("bar1")),
)
commonLabels := meter.DefineLabels(ctx, lemonsKey.Int(10))
gauge := oneMetric.GetHandle(commonLabels)
measure := measureTwo.GetHandle(commonLabels)
err := tracer.WithSpan(ctx, "operation", func(ctx context.Context) error {
trace.CurrentSpan(ctx).AddEvent(ctx, "Nice operation!", key.New("bogons").Int(100))
trace.CurrentSpan(ctx).SetAttributes(anotherKey.String("yes"))
gauge.Set(ctx, 1)
meter.RecordBatch(
// Note: call-site variables added as context entries:
distributedcontext.NewContext(ctx,
distributedcontext.Insert(anotherKey.String("xyz"))),
commonLabels,
oneMetric.Measurement(1.0),
measureTwo.Measurement(2.0),
)
return tracer.WithSpan(
ctx,
"Sub operation...",
func(ctx context.Context) error {
trace.CurrentSpan(ctx).SetAttribute(lemonsKey.String("five"))
trace.CurrentSpan(ctx).AddEvent(ctx, "Sub span event")
measure.Record(ctx, 1.3)
return nil
},
)
})
if err != nil {
panic(err)
}
// TODO: How to flush?
// loader.Flush()
}

View File

@@ -1,74 +0,0 @@
// Copyright 2019, 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 buffer
import (
"sync"
"sync/atomic"
"go.opentelemetry.io/experimental/streaming/exporter"
)
type Buffer struct {
observers []exporter.Observer
events chan exporter.Event
dropped uint64
wait sync.WaitGroup
close chan struct{}
}
func NewBuffer(size int, observers ...exporter.Observer) *Buffer {
b := &Buffer{
observers: observers,
events: make(chan exporter.Event, size),
close: make(chan struct{}),
}
b.wait.Add(1)
go b.run()
return b
}
func (b *Buffer) Observe(data exporter.Event) {
select {
case b.events <- data:
default:
atomic.AddUint64(&b.dropped, 1)
}
}
func (b *Buffer) Close() {
close(b.close)
b.wait.Wait()
}
func (b *Buffer) run() {
defer func() {
_ = recover()
b.wait.Done()
}()
for {
select {
case <-b.close:
return
case ev := <-b.events:
// TODO: This has to ensure ordered arrival,
// e.g., put into a heap and delay observations.
for _, obs := range b.observers {
obs.Observe(ev)
}
}
}
}

View File

@@ -1,15 +0,0 @@
// Copyright 2019, 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 buffer // import "go.opentelemetry.io/experimental/streaming/exporter/buffer"

View File

@@ -1,32 +0,0 @@
// Code generated by "stringer -type=EventType"; DO NOT EDIT.
package exporter
import "strconv"
func _() {
// An "invalid array index" compiler error signifies that the constant values have changed.
// Re-run the stringer command to generate them again.
var x [1]struct{}
_ = x[INVALID-0]
_ = x[START_SPAN-1]
_ = x[END_SPAN-2]
_ = x[ADD_EVENT-3]
_ = x[NEW_SCOPE-4]
_ = x[MODIFY_ATTR-5]
_ = x[SET_STATUS-6]
_ = x[SET_NAME-7]
_ = x[SINGLE_METRIC-8]
_ = x[BATCH_METRIC-9]
}
const _EventType_name = "INVALIDSTART_SPANEND_SPANADD_EVENTNEW_SCOPEMODIFY_ATTRSET_STATUSSET_NAMESINGLE_METRICBATCH_METRIC"
var _EventType_index = [...]uint8{0, 7, 17, 25, 34, 43, 54, 64, 72, 85, 97}
func (i EventType) String() string {
if i < 0 || i >= EventType(len(_EventType_index)-1) {
return "EventType(" + strconv.FormatInt(int64(i), 10) + ")"
}
return _EventType_name[_EventType_index[i]:_EventType_index[i+1]]
}

View File

@@ -1,115 +0,0 @@
package exporter
import (
"context"
"sync/atomic"
"time"
"google.golang.org/grpc/codes"
"go.opentelemetry.io/api/core"
"go.opentelemetry.io/api/distributedcontext"
"go.opentelemetry.io/api/metric"
)
type EventType int
type EventID uint64
type ScopeID struct {
EventID
core.SpanContext
}
type Event struct {
// Automatic fields
Sequence EventID // Auto-filled
Time time.Time // Auto-filled
// Type, Scope, Context
Type EventType // All events
Scope ScopeID // All events
Context context.Context // core.FromContext() and scope.Active()
// Arguments (type-specific)
Attribute core.KeyValue // SET_ATTRIBUTE
Attributes []core.KeyValue // SET_ATTRIBUTES
Mutator distributedcontext.Mutator // SET_ATTRIBUTE
Mutators []distributedcontext.Mutator // SET_ATTRIBUTES
Recovered interface{} // END_SPAN
Status codes.Code // SET_STATUS
// Values
String string // START_SPAN, EVENT, SET_NAME, ...
Parent ScopeID // START_SPAN
Measurement metric.Measurement
Measurements []metric.Measurement
}
type Observer interface {
Observe(data Event)
}
//go:generate stringer -type=EventType
// nolint:golint
const (
INVALID EventType = iota
START_SPAN
END_SPAN
ADD_EVENT
NEW_SCOPE
MODIFY_ATTR
SET_STATUS
SET_NAME
SINGLE_METRIC // A metric Set(), Add(), Record()
BATCH_METRIC // A RecordBatch()
)
type Exporter struct {
sequence uint64
observers []Observer
}
func NewExporter(observers ...Observer) *Exporter {
return &Exporter{
observers: observers,
}
}
func (e *Exporter) NextEventID() EventID {
return EventID(atomic.AddUint64(&e.sequence, 1))
}
func (e *Exporter) Record(event Event) EventID {
if event.Sequence == 0 {
event.Sequence = e.NextEventID()
}
if event.Time.IsZero() {
event.Time = time.Now()
}
for _, observer := range e.observers {
observer.Observe(event)
}
return event.Sequence
}
func (e *Exporter) Foreach(f func(Observer)) {
for _, observer := range e.observers {
f(observer)
}
}
func (e *Exporter) NewScope(parent ScopeID, attributes ...core.KeyValue) ScopeID {
if len(attributes) == 0 {
return parent
}
eventID := e.Record(Event{
Type: NEW_SCOPE,
Scope: parent,
Attributes: attributes,
})
return ScopeID{
EventID: eventID,
SpanContext: parent.SpanContext,
}
}

View File

@@ -1,15 +0,0 @@
// Copyright 2019, 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 reader // import "go.opentelemetry.io/experimental/streaming/exporter/reader"

View File

@@ -1,165 +0,0 @@
// Copyright 2019, 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 format
import (
"fmt"
"strings"
"go.opentelemetry.io/api/core"
"go.opentelemetry.io/api/distributedcontext"
"go.opentelemetry.io/api/key"
"go.opentelemetry.io/api/metric"
"go.opentelemetry.io/experimental/streaming/exporter"
"go.opentelemetry.io/experimental/streaming/exporter/reader"
// TODO this should not be an SDK dependency; move conventional tags into the API.
"go.opentelemetry.io/experimental/streaming/sdk"
)
var (
parentSpanIDKey = key.New("parent_span_id")
)
func AppendEvent(buf *strings.Builder, data reader.Event) {
f := func(skipIf bool) func(kv core.KeyValue) bool {
return func(kv core.KeyValue) bool {
if skipIf && data.Attributes.HasValue(kv.Key) {
return true
}
buf.WriteString(" ")
buf.WriteString(string(kv.Key))
buf.WriteString("=")
buf.WriteString(kv.Value.Emit())
return true
}
}
buf.WriteString(data.Time.Format("2006/01/02 15-04-05.000000"))
buf.WriteString(" ")
switch data.Type {
case exporter.START_SPAN:
buf.WriteString("start ")
buf.WriteString(data.Name)
if !data.Parent.HasSpanID() {
buf.WriteString(", a root span")
} else {
buf.WriteString(" <")
f(false)(parentSpanIDKey.String(data.Parent.SpanIDString()))
if data.ParentAttributes.Len() > 0 {
data.ParentAttributes.Foreach(f(false))
}
buf.WriteString(" >")
}
case exporter.END_SPAN:
buf.WriteString("end ")
buf.WriteString(data.Name)
buf.WriteString(" (")
buf.WriteString(data.Duration.String())
buf.WriteString(")")
case exporter.ADD_EVENT:
buf.WriteString("event: ")
buf.WriteString(data.Message)
buf.WriteString(" (")
data.Attributes.Foreach(func(kv core.KeyValue) bool {
buf.WriteString(" ")
buf.WriteString(string(kv.Key))
buf.WriteString("=")
buf.WriteString(kv.Value.Emit())
return true
})
buf.WriteString(")")
case exporter.MODIFY_ATTR:
buf.WriteString("modify attr ")
buf.WriteString(data.Type.String())
case exporter.SINGLE_METRIC:
formatMetricUpdate(buf, data.Measurement)
formatMetricLabels(buf, data.Attributes)
case exporter.BATCH_METRIC:
buf.WriteString("BATCH")
formatMetricLabels(buf, data.Attributes)
for _, m := range data.Measurements {
formatMetricUpdate(buf, m)
buf.WriteString(" ")
}
case exporter.SET_STATUS:
buf.WriteString("set status ")
buf.WriteString(data.Status.String())
case exporter.SET_NAME:
buf.WriteString("set name ")
buf.WriteString(data.Name)
default:
buf.WriteString(fmt.Sprintf("WAT? %d", data.Type))
}
// Attach the scope (span) attributes and context entries.
buf.WriteString(" [")
if data.Attributes.Len() > 0 {
data.Attributes.Foreach(f(false))
}
if data.Entries.Len() > 0 {
data.Entries.Foreach(f(true))
}
if data.SpanContext.HasSpanID() {
f(false)(sdk.SpanIDKey.String(data.SpanContext.SpanIDString()))
}
if data.SpanContext.HasTraceID() {
f(false)(sdk.TraceIDKey.String(data.SpanContext.TraceIDString()))
}
buf.WriteString(" ]\n")
}
func formatMetricUpdate(buf *strings.Builder, m metric.Measurement) {
buf.WriteString(m.Descriptor.Kind().String())
buf.WriteString(" ")
buf.WriteString(m.Descriptor.Name())
buf.WriteString("=")
buf.WriteString(m.Value.Emit(m.Descriptor.ValueKind()))
}
func formatMetricLabels(buf *strings.Builder, l distributedcontext.Map) {
buf.WriteString(" {")
i := 0
l.Foreach(func(kv core.KeyValue) bool {
if i != 0 {
buf.WriteString(",")
}
i++
buf.WriteString(string(kv.Key))
buf.WriteString("=")
buf.WriteString(kv.Value.Emit())
return true
})
buf.WriteString("}")
}
func EventToString(data reader.Event) string {
var buf strings.Builder
AppendEvent(&buf, data)
return buf.String()
}

View File

@@ -1,303 +0,0 @@
// Copyright 2019, 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 reader
import (
"fmt"
"sync"
"time"
"google.golang.org/grpc/codes"
"go.opentelemetry.io/api/core"
"go.opentelemetry.io/api/distributedcontext"
"go.opentelemetry.io/api/metric"
"go.opentelemetry.io/api/trace"
"go.opentelemetry.io/experimental/streaming/exporter"
)
type Reader interface {
Read(Event)
}
type Event struct {
Type exporter.EventType
Time time.Time
Sequence exporter.EventID
SpanContext core.SpanContext
Entries distributedcontext.Map // context entries
Attributes distributedcontext.Map // span attributes, metric labels
Measurement metric.Measurement
Measurements []metric.Measurement
Parent core.SpanContext
ParentAttributes distributedcontext.Map
Duration time.Duration
Name string
Message string
Status codes.Code
}
type readerObserver struct {
readers []Reader
// core.EventID -> *readerSpan or *readerScope
scopes sync.Map
}
type readerSpan struct {
name string
start time.Time
startEntries distributedcontext.Map
spanContext core.SpanContext
status codes.Code
*readerScope
}
type readerScope struct {
span *readerSpan
parent exporter.EventID
attributes distributedcontext.Map
}
// NewReaderObserver returns an implementation that computes the
// necessary state needed by a reader to process events in memory.
// Practically, this means tracking live metric handles and scope
// attribute sets.
func NewReaderObserver(readers ...Reader) exporter.Observer {
return &readerObserver{
readers: readers,
}
}
func (ro *readerObserver) Observe(event exporter.Event) {
// TODO this should check for out-of-order events and buffer.
ro.orderedObserve(event)
}
func (ro *readerObserver) orderedObserve(event exporter.Event) {
read := Event{
Time: event.Time,
Sequence: event.Sequence,
Attributes: distributedcontext.NewEmptyMap(),
Entries: distributedcontext.NewEmptyMap(),
}
if event.Context != nil {
read.Entries = distributedcontext.FromContext(event.Context)
}
switch event.Type {
case exporter.START_SPAN:
// Save the span context entries, initial attributes, start time, and name.
span := &readerSpan{
name: event.String,
start: event.Time,
startEntries: distributedcontext.FromContext(event.Context),
spanContext: event.Scope.SpanContext,
readerScope: &readerScope{},
}
rattrs, _ := ro.readScope(event.Scope)
span.readerScope.span = span
span.readerScope.attributes = rattrs
read.Name = span.name
read.Type = exporter.START_SPAN
read.SpanContext = span.spanContext
read.Attributes = rattrs
if event.Parent.EventID == 0 && event.Parent.HasTraceID() {
// Remote parent
read.Parent = event.Parent.SpanContext
// Note: No parent attributes in the event for remote parents.
} else {
pattrs, pspan := ro.readScope(event.Parent)
if pspan != nil {
// Local parent
read.Parent = pspan.spanContext
read.ParentAttributes = pattrs
}
}
ro.scopes.Store(event.Sequence, span)
case exporter.END_SPAN:
attrs, span := ro.readScope(event.Scope)
if span == nil {
panic(fmt.Sprint("span not found", event.Scope))
}
read.Name = span.name
read.Type = exporter.END_SPAN
read.Attributes = attrs
read.Duration = event.Time.Sub(span.start)
read.Entries = span.startEntries
read.SpanContext = span.spanContext
// TODO: recovered
case exporter.NEW_SCOPE, exporter.MODIFY_ATTR:
var span *readerSpan
var m distributedcontext.Map
sid := event.Scope
if sid.EventID == 0 {
m = distributedcontext.NewEmptyMap()
} else {
parentI, has := ro.scopes.Load(sid.EventID)
if !has {
panic("parent scope not found")
}
if parent, ok := parentI.(*readerScope); ok {
m = parent.attributes
span = parent.span
} else if parent, ok := parentI.(*readerSpan); ok {
m = parent.attributes
span = parent
}
}
sc := &readerScope{
span: span,
parent: sid.EventID,
attributes: m.Apply(
distributedcontext.MapUpdate{
SingleKV: event.Attribute,
MultiKV: event.Attributes,
SingleMutator: event.Mutator,
MultiMutator: event.Mutators,
},
),
}
ro.scopes.Store(event.Sequence, sc)
if event.Type == exporter.NEW_SCOPE {
return
}
read.Type = exporter.MODIFY_ATTR
read.Attributes = sc.attributes
if span != nil {
read.SpanContext = span.spanContext
read.Entries = span.startEntries
}
case exporter.ADD_EVENT:
read.Type = exporter.ADD_EVENT
read.Message = event.String
attrs, span := ro.readScope(event.Scope)
read.Attributes = attrs.Apply(distributedcontext.MapUpdate{
MultiKV: event.Attributes,
})
if span != nil {
read.SpanContext = span.spanContext
}
case exporter.SINGLE_METRIC:
read.Type = exporter.SINGLE_METRIC
if event.Context != nil {
span := trace.CurrentSpan(event.Context)
if span != nil {
read.SpanContext = span.SpanContext()
}
}
attrs, _ := ro.readScope(event.Scope)
read.Attributes = attrs
read.Measurement = event.Measurement
case exporter.BATCH_METRIC:
read.Type = event.Type
if event.Context != nil {
span := trace.CurrentSpan(event.Context)
if span != nil {
read.SpanContext = span.SpanContext()
}
}
attrs, _ := ro.readScope(event.Scope)
read.Attributes = attrs
read.Measurements = make([]metric.Measurement, len(event.Measurements))
copy(read.Measurements, event.Measurements)
case exporter.SET_STATUS:
read.Type = exporter.SET_STATUS
read.Status = event.Status
_, span := ro.readScope(event.Scope)
if span != nil {
span.status = event.Status
read.SpanContext = span.spanContext
}
case exporter.SET_NAME:
read.Type = exporter.SET_NAME
read.Name = event.String
default:
panic(fmt.Sprint("Unhandled case: ", event.Type))
}
for _, reader := range ro.readers {
reader.Read(read)
}
if event.Type == exporter.END_SPAN {
ro.cleanupSpan(event.Scope.EventID)
}
}
func (ro *readerObserver) readScope(id exporter.ScopeID) (distributedcontext.Map, *readerSpan) {
if id.EventID == 0 {
return distributedcontext.NewEmptyMap(), nil
}
ev, has := ro.scopes.Load(id.EventID)
if !has {
panic(fmt.Sprintln("scope not found", id.EventID))
}
if sp, ok := ev.(*readerScope); ok {
return sp.attributes, sp.span
} else if sp, ok := ev.(*readerSpan); ok {
return sp.attributes, sp
}
return distributedcontext.NewEmptyMap(), nil
}
func (ro *readerObserver) cleanupSpan(id exporter.EventID) {
for id != 0 {
ev, has := ro.scopes.Load(id)
if !has {
panic(fmt.Sprintln("scope not found", id))
}
ro.scopes.Delete(id)
if sp, ok := ev.(*readerScope); ok {
id = sp.parent
} else if sp, ok := ev.(*readerSpan); ok {
id = sp.parent
}
}
}

View File

@@ -1,15 +0,0 @@
// Copyright 2019, 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 spandata // import "go.opentelemetry.io/experimental/streaming/exporter/spandata"

View File

@@ -1,15 +0,0 @@
// Copyright 2019, 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 format // import "go.opentelemetry.io/experimental/streaming/exporter/spandata/format"

View File

@@ -1,34 +0,0 @@
// Copyright 2019, 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 format
import (
"strings"
"go.opentelemetry.io/experimental/streaming/exporter/reader/format"
"go.opentelemetry.io/experimental/streaming/exporter/spandata"
)
func AppendSpan(buf *strings.Builder, data *spandata.Span) {
for _, event := range data.Events {
format.AppendEvent(buf, event)
}
}
func SpanToString(data *spandata.Span) string {
var buf strings.Builder
AppendSpan(&buf, data)
return buf.String()
}

View File

@@ -1,78 +0,0 @@
// Copyright 2019, 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 spandata
import (
"go.opentelemetry.io/api/core"
"go.opentelemetry.io/experimental/streaming/exporter"
"go.opentelemetry.io/experimental/streaming/exporter/reader"
)
type Reader interface {
Read(*Span)
}
type Span struct {
Events []reader.Event
Aggregates map[string]float64
}
type spanReader struct {
spans map[core.SpanContext]*Span
readers []Reader
}
func NewReaderObserver(readers ...Reader) exporter.Observer {
return reader.NewReaderObserver(&spanReader{
spans: map[core.SpanContext]*Span{},
readers: readers,
})
}
func (s *spanReader) Read(data reader.Event) {
var span *Span
if data.SpanContext.HasSpanID() {
if data.Type == exporter.START_SPAN {
span = &Span{Events: make([]reader.Event, 0, 4)}
s.spans[data.SpanContext] = span
} else {
span = s.spans[data.SpanContext]
if span == nil {
// TODO count and report this.
return
}
}
}
switch data.Type {
case exporter.SINGLE_METRIC:
s.updateMetric(data)
return
}
if span != nil {
span.Events = append(span.Events, data)
if data.Type == exporter.END_SPAN {
for _, r := range s.readers {
r.Read(span)
}
delete(s.spans, data.SpanContext)
}
}
}
func (s *spanReader) updateMetric(data reader.Event) {
// TODO aggregate
}

View File

@@ -1,15 +0,0 @@
// Copyright 2019, 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 spanlog // import "go.opentelemetry.io/experimental/streaming/exporter/spanlog"

View File

@@ -1,37 +0,0 @@
// Copyright 2019, 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 spanlog
import (
"os"
"strings"
"go.opentelemetry.io/experimental/streaming/exporter"
"go.opentelemetry.io/experimental/streaming/exporter/spandata"
"go.opentelemetry.io/experimental/streaming/exporter/spandata/format"
)
type spanLog struct{}
func New() exporter.Observer {
return spandata.NewReaderObserver(&spanLog{})
}
func (s *spanLog) Read(data *spandata.Span) {
var buf strings.Builder
buf.WriteString("----------------------------------------------------------------------\n")
format.AppendSpan(&buf, data)
os.Stdout.WriteString(buf.String())
}

View File

@@ -1,33 +0,0 @@
// Copyright 2019, 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 stderr // import "go.opentelemetry.io/experimental/streaming/exporter/stderr"
import (
"os"
"go.opentelemetry.io/experimental/streaming/exporter"
"go.opentelemetry.io/experimental/streaming/exporter/reader"
"go.opentelemetry.io/experimental/streaming/exporter/reader/format"
)
type stderrLog struct{}
func New() exporter.Observer {
return reader.NewReaderObserver(&stderrLog{})
}
func (s *stderrLog) Read(data reader.Event) {
os.Stderr.WriteString(format.EventToString(data))
}

View File

@@ -1,33 +0,0 @@
// Copyright 2019, 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 stdout // import "go.opentelemetry.io/experimental/streaming/exporter/stdout"
import (
"os"
"go.opentelemetry.io/experimental/streaming/exporter"
"go.opentelemetry.io/experimental/streaming/exporter/reader"
"go.opentelemetry.io/experimental/streaming/exporter/reader/format"
)
type stdoutLog struct{}
func New() exporter.Observer {
return reader.NewReaderObserver(&stdoutLog{})
}
func (s *stdoutLog) Read(data reader.Event) {
os.Stdout.WriteString(format.EventToString(data))
}

View File

@@ -1,43 +0,0 @@
// Copyright 2019, 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 internal // import "go.opentelemetry.io/experimental/streaming/sdk/internal"
import "go.opentelemetry.io/experimental/streaming/exporter"
type eventsMap map[exporter.EventType][]exporter.Event
type TestObserver struct {
events eventsMap
}
var _ exporter.Observer = &TestObserver{}
func NewTestObserver() *TestObserver {
return &TestObserver{}
}
func (o *TestObserver) Observe(e exporter.Event) {
if o.events == nil {
o.events = make(eventsMap)
}
o.events[e.Type] = append(o.events[e.Type], e)
}
func (o *TestObserver) Events(eType exporter.EventType) []exporter.Event {
if o.events == nil {
return nil
}
return o.events[eType]
}

View File

@@ -1,175 +0,0 @@
// Copyright 2019, 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 sdk
import (
"context"
"time"
"go.opentelemetry.io/api/core"
"go.opentelemetry.io/api/metric"
"go.opentelemetry.io/experimental/streaming/exporter"
)
type metricHandle struct {
descriptor *metric.Descriptor
labels metricLabels
}
var _ metric.Handle = &metricHandle{}
type metricLabels struct {
sdk *sdk
scope exporter.ScopeID
}
var _ metric.LabelSet = &metricLabels{}
func (h *metricHandle) RecordOne(ctx context.Context, value metric.MeasurementValue) {
h.labels.sdk.exporter.Record(exporter.Event{
Type: exporter.SINGLE_METRIC,
Context: ctx,
Scope: h.labels.scope,
Measurement: metric.Measurement{
Descriptor: h.descriptor,
Value: value,
},
})
}
func (m metricLabels) Meter() metric.Meter {
return m.sdk
}
func (s *sdk) DefineLabels(ctx context.Context, labels ...core.KeyValue) metric.LabelSet {
return metricLabels{
sdk: s,
scope: s.exporter.NewScope(exporter.ScopeID{}, labels...),
}
}
func (s *sdk) NewHandle(erm metric.ExplicitReportingMetric, labels metric.LabelSet) metric.Handle {
mlabels, _ := labels.(metricLabels)
return &metricHandle{
descriptor: erm.Descriptor(),
labels: mlabels,
}
}
func (s *sdk) DeleteHandle(handle metric.Handle) {
}
func (s *sdk) RecordBatch(ctx context.Context, labels metric.LabelSet, ms ...metric.Measurement) {
eventType := exporter.BATCH_METRIC
if len(ms) == 1 {
eventType = exporter.SINGLE_METRIC
}
oms := make([]metric.Measurement, len(ms))
mlabels, _ := labels.(metricLabels)
copy(oms, ms)
s.exporter.Record(exporter.Event{
Type: eventType,
Context: ctx,
Scope: mlabels.scope,
Measurements: oms,
})
}
func (s *sdk) RegisterObserver(observer metric.Observer, callback metric.ObserverCallback) {
if s.insertNewObserver(observer, callback) {
go s.observersRoutine()
}
}
func (s *sdk) insertNewObserver(observer metric.Observer, callback metric.ObserverCallback) bool {
s.observersLock.Lock()
defer s.observersLock.Unlock()
old := s.loadObserversMap()
id := observer.Descriptor().ID()
if _, ok := old[id]; ok {
return false
}
observers := make(observersMap)
for oid, data := range old {
observers[oid] = data
}
observers[id] = observerData{
observer: observer,
callback: callback,
}
s.storeObserversMap(observers)
return old == nil
}
func (s *sdk) UnregisterObserver(observer metric.Observer) {
s.observersLock.Lock()
defer s.observersLock.Unlock()
old := s.loadObserversMap()
id := observer.Descriptor().ID()
if _, ok := old[id]; !ok {
return
}
if len(old) == 1 {
s.storeObserversMap(nil)
return
}
observers := make(observersMap)
for oid, data := range old {
if oid != id {
observers[oid] = data
}
}
s.storeObserversMap(observers)
}
func (s *sdk) observersRoutine() {
ticker := time.NewTicker(time.Second)
defer ticker.Stop()
for range ticker.C {
m := s.loadObserversMap()
if m == nil {
return
}
for _, data := range m {
ocb := s.getObservationCallback(data.observer.Descriptor())
data.callback(s, data.observer, ocb)
}
}
}
func (s *sdk) getObservationCallback(descriptor *metric.Descriptor) metric.ObservationCallback {
return func(l metric.LabelSet, v metric.MeasurementValue) {
s.RecordBatch(context.Background(), l, metric.Measurement{
Descriptor: descriptor,
Value: v,
})
}
}
func (s *sdk) loadObserversMap() observersMap {
i := s.observers.Load()
if i == nil {
return nil
}
m := i.(observersMap)
return m
}
func (s *sdk) storeObserversMap(m observersMap) {
s.observers.Store(m)
}

View File

@@ -1,52 +0,0 @@
// Copyright 2019, 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 sdk
import (
"sync"
"sync/atomic"
"go.opentelemetry.io/api/metric"
"go.opentelemetry.io/api/trace"
"go.opentelemetry.io/experimental/streaming/exporter"
)
type observerData struct {
observer metric.Observer
callback metric.ObserverCallback
}
type observersMap map[metric.DescriptorID]observerData
type sdk struct {
exporter *exporter.Exporter
resources exporter.EventID
observersLock sync.Mutex
observers atomic.Value // observersMap
}
type SDK interface {
trace.Tracer
metric.Meter
}
var _ SDK = &sdk{}
func New(observers ...exporter.Observer) SDK {
return &sdk{
exporter: exporter.NewExporter(observers...),
}
}

View File

@@ -1,141 +0,0 @@
// Copyright 2019, 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 sdk
import (
"context"
"time"
"google.golang.org/grpc/codes"
"go.opentelemetry.io/api/core"
"go.opentelemetry.io/api/distributedcontext"
"go.opentelemetry.io/api/trace"
"go.opentelemetry.io/experimental/streaming/exporter"
)
type span struct {
sdk *sdk
initial exporter.ScopeID
}
// SpanContext returns span context of the span. Returned SpanContext is usable
// even after the span is finished.
func (sp *span) SpanContext() core.SpanContext {
return sp.initial.SpanContext
}
// IsRecording returns true is the span is active and recording events is enabled.
func (sp *span) IsRecording() bool {
return false
}
// SetStatus sets the status of the span.
func (sp *span) SetStatus(status codes.Code) {
sp.sdk.exporter.Record(exporter.Event{
Type: exporter.SET_STATUS,
Scope: sp.ScopeID(),
Status: status,
})
}
func (sp *span) ScopeID() exporter.ScopeID {
return sp.initial
}
func (sp *span) SetAttribute(attribute core.KeyValue) {
sp.sdk.exporter.Record(exporter.Event{
Type: exporter.MODIFY_ATTR,
Scope: sp.ScopeID(),
Attribute: attribute,
})
}
func (sp *span) SetAttributes(attributes ...core.KeyValue) {
sp.sdk.exporter.Record(exporter.Event{
Type: exporter.MODIFY_ATTR,
Scope: sp.ScopeID(),
Attributes: attributes,
})
}
func (sp *span) ModifyAttribute(mutator distributedcontext.Mutator) {
sp.sdk.exporter.Record(exporter.Event{
Type: exporter.MODIFY_ATTR,
Scope: sp.ScopeID(),
Mutator: mutator,
})
}
func (sp *span) ModifyAttributes(mutators ...distributedcontext.Mutator) {
sp.sdk.exporter.Record(exporter.Event{
Type: exporter.MODIFY_ATTR,
Scope: sp.ScopeID(),
Mutators: mutators,
})
}
func (sp *span) End(options ...trace.EndOption) {
recovered := recover()
opts := trace.EndOptions{}
for _, opt := range options {
opt(&opts)
}
sp.sdk.exporter.Record(exporter.Event{
Time: opts.EndTime,
Type: exporter.END_SPAN,
Scope: sp.ScopeID(),
Recovered: recovered,
})
if recovered != nil {
panic(recovered)
}
}
func (sp *span) Tracer() trace.Tracer {
return sp.sdk
}
func (sp *span) AddEvent(ctx context.Context, msg string, attrs ...core.KeyValue) {
sp.addEventWithTime(ctx, time.Time{}, msg, attrs...)
}
func (sp *span) AddEventWithTimestamp(ctx context.Context, timestamp time.Time, msg string, attrs ...core.KeyValue) {
sp.addEventWithTime(ctx, timestamp, msg, attrs...)
}
func (sp *span) addEventWithTime(ctx context.Context, timestamp time.Time, msg string, attrs ...core.KeyValue) {
sp.sdk.exporter.Record(exporter.Event{
Time: timestamp,
Type: exporter.ADD_EVENT,
Scope: sp.ScopeID(),
String: msg,
Attributes: attrs,
Context: ctx,
})
}
func (sp *span) SetName(name string) {
sp.sdk.exporter.Record(exporter.Event{
Type: exporter.SET_NAME,
String: name,
})
}
func (sp *span) AddLink(link trace.Link) {
}
func (sp *span) Link(sc core.SpanContext, attrs ...core.KeyValue) {
}

View File

@@ -1,174 +0,0 @@
// Copyright 2019, 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 sdk
import (
"context"
"reflect"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"go.opentelemetry.io/api/core"
"go.opentelemetry.io/api/key"
"go.opentelemetry.io/api/metric"
"go.opentelemetry.io/api/trace"
"go.opentelemetry.io/experimental/streaming/exporter"
"go.opentelemetry.io/experimental/streaming/sdk/internal"
)
func TestEvents(t *testing.T) {
obs := internal.NewTestObserver()
_ = New(obs).WithSpan(context.Background(), "test", func(ctx context.Context) error {
type test1Type struct{}
type test2Type struct{}
sp := trace.CurrentSpan(ctx)
k1v1 := key.New("k1").String("v1")
k2v2 := key.New("k2").String("v2")
k3v3 := key.New("k3").String("v3")
ctx1 := context.WithValue(ctx, test1Type{}, 42)
sp.AddEvent(ctx1, "one two three", k1v1)
ctx2 := context.WithValue(ctx1, test2Type{}, "foo")
sp.AddEvent(ctx2, "testing", k2v2, k3v3)
got := obs.Events(exporter.ADD_EVENT)
for idx := range got {
if got[idx].Time.IsZero() {
t.Errorf("Event %d has zero timestamp", idx)
}
got[idx].Time = time.Time{}
}
if len(got) != 2 {
t.Errorf("Expected two events, got %d", len(got))
}
sdkSpan := sp.(*span)
want := []exporter.Event{
{
Type: exporter.ADD_EVENT,
String: "one two three",
Attributes: []core.KeyValue{k1v1},
Scope: sdkSpan.ScopeID(),
},
{
Type: exporter.ADD_EVENT,
String: "testing",
Attributes: []core.KeyValue{k2v2, k3v3},
Scope: sdkSpan.ScopeID(),
},
}
if diffEvents(t, got, want) {
checkContext(t, got[0].Context, test1Type{}, 42)
checkContextMissing(t, got[0].Context, test2Type{})
checkContext(t, got[1].Context, test1Type{}, 42)
checkContext(t, got[1].Context, test2Type{}, "foo")
}
return nil
})
}
func TestCustomStartEndTime(t *testing.T) {
startTime := time.Date(2019, time.August, 27, 14, 42, 0, 0, time.UTC)
endTime := startTime.Add(time.Second * 20)
obs := internal.NewTestObserver()
tracer := New(obs)
_, span := tracer.Start(
context.Background(),
"testspan",
trace.WithStartTime(startTime),
)
span.End(trace.WithEndTime(endTime))
want := []exporter.Event{
{
Type: exporter.START_SPAN,
Time: startTime,
String: "testspan",
},
{
Type: exporter.END_SPAN,
Time: endTime,
},
}
got := append(obs.Events(exporter.START_SPAN), obs.Events(exporter.END_SPAN)...)
diffEvents(t, got, want, "Scope")
}
func checkContextMissing(t *testing.T, ctx context.Context, key interface{}) bool {
gotValue := ctx.Value(key)
if gotValue != nil {
keyType := reflect.TypeOf(key)
t.Errorf("Expected %s to be missing in context", keyType)
return false
}
return true
}
func checkContext(t *testing.T, ctx context.Context, key, wantValue interface{}) bool {
gotValue := ctx.Value(key)
if gotValue == nil {
keyType := reflect.TypeOf(key)
t.Errorf("Expected %s to exist in context", keyType)
return false
}
if diff := cmp.Diff(gotValue, wantValue); diff != "" {
keyType := reflect.TypeOf(key)
t.Errorf("Context value for key %s: -got +want %s", keyType, diff)
return false
}
return true
}
func measurementCompare(m1, m2 metric.Measurement) bool {
// Nil descriptor normally shouldn't happen, unless there is
// some struct with the Measurement field that didn't get
// initialized.
m1Nil := m1.Descriptor == nil
m2Nil := m2.Descriptor == nil
if m1Nil != m2Nil {
return false
}
if m1Nil {
return m1.Value.AsRaw() == m2.Value.AsRaw()
}
if m1.Descriptor.ID() != m2.Descriptor.ID() {
return false
}
m2Raw := m2.Value.AsRaw()
kind := m1.Descriptor.ValueKind()
return m1.Value.RawCompare(m2Raw, kind) == 0
}
func diffEvents(t *testing.T, got, want []exporter.Event, extraIgnoredFields ...string) bool {
ignoredPaths := map[string]struct{}{
"Sequence": {},
"Context": {},
}
for _, field := range extraIgnoredFields {
ignoredPaths[field] = struct{}{}
}
opts := []cmp.Option{
cmp.FilterPath(func(path cmp.Path) bool {
_, found := ignoredPaths[path.String()]
return found
}, cmp.Ignore()),
cmp.Comparer(measurementCompare),
}
if diff := cmp.Diff(got, want, opts...); diff != "" {
t.Errorf("Events: -got +want %s", diff)
return false
}
return true
}

View File

@@ -1,98 +0,0 @@
// Copyright 2019, 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 sdk
import (
"context"
"math/rand"
"go.opentelemetry.io/api/core"
"go.opentelemetry.io/api/key"
"go.opentelemetry.io/api/trace"
"go.opentelemetry.io/experimental/streaming/exporter"
)
// TODO These should move somewhere in the api, right?
var (
ErrorKey = key.New("error")
SpanIDKey = key.New("span_id")
TraceIDKey = key.New("trace_id")
MessageKey = key.New("message")
)
func (s *sdk) WithSpan(ctx context.Context, name string, body func(context.Context) error) error {
// TODO: use runtime/trace.WithRegion for execution sdk support
// TODO: use runtime/pprof.Do for profile tags support
ctx, span := s.Start(ctx, name)
defer span.End()
if err := body(ctx); err != nil {
span.SetAttribute(ErrorKey.Bool(true))
span.AddEvent(ctx, "span error", MessageKey.String(err.Error()))
return err
}
return nil
}
func (s *sdk) Start(ctx context.Context, name string, opts ...trace.SpanOption) (context.Context, trace.Span) {
var child core.SpanContext
child.SpanID = rand.Uint64()
o := &trace.SpanOptions{}
for _, opt := range opts {
opt(o)
}
var parentScope exporter.ScopeID
if o.Reference.HasTraceID() {
parentScope.SpanContext = o.Reference.SpanContext
} else {
parentScope.SpanContext = trace.CurrentSpan(ctx).SpanContext()
}
if parentScope.HasTraceID() {
parent := parentScope.SpanContext
child.TraceID.High = parent.TraceID.High
child.TraceID.Low = parent.TraceID.Low
} else {
child.TraceID.High = rand.Uint64()
child.TraceID.Low = rand.Uint64()
}
childScope := exporter.ScopeID{
SpanContext: child,
EventID: s.resources,
}
span := &span{
sdk: s,
initial: exporter.ScopeID{
SpanContext: child,
EventID: s.exporter.Record(exporter.Event{
Time: o.StartTime,
Type: exporter.START_SPAN,
Scope: s.exporter.NewScope(childScope, o.Attributes...),
Context: ctx,
Parent: parentScope,
String: name,
},
),
},
}
return trace.SetCurrentSpan(ctx, span), span
}