/
data.go
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/
data.go
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// 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 otlptest
import (
"context"
"fmt"
"time"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/codes"
"go.opentelemetry.io/otel/metric"
"go.opentelemetry.io/otel/metric/number"
exportmetric "go.opentelemetry.io/otel/sdk/export/metric"
"go.opentelemetry.io/otel/sdk/instrumentation"
"go.opentelemetry.io/otel/sdk/metric/aggregator/sum"
"go.opentelemetry.io/otel/sdk/resource"
tracesdk "go.opentelemetry.io/otel/sdk/trace"
"go.opentelemetry.io/otel/trace"
)
// Used to avoid implementing locking functions for test
// checkpointsets.
type noopLocker struct{}
// Lock implements sync.Locker, which is needed for
// exportmetric.CheckpointSet.
func (noopLocker) Lock() {}
// Unlock implements sync.Locker, which is needed for
// exportmetric.CheckpointSet.
func (noopLocker) Unlock() {}
// RLock implements exportmetric.CheckpointSet.
func (noopLocker) RLock() {}
// RUnlock implements exportmetric.CheckpointSet.
func (noopLocker) RUnlock() {}
// OneRecordCheckpointSet is a CheckpointSet that returns just one
// filled record. It may be useful for testing driver's metrics
// export.
type OneRecordCheckpointSet struct {
noopLocker
}
var _ exportmetric.CheckpointSet = OneRecordCheckpointSet{}
// ForEach implements exportmetric.CheckpointSet. It always invokes
// the callback once with always the same record.
func (OneRecordCheckpointSet) ForEach(kindSelector exportmetric.ExportKindSelector, recordFunc func(exportmetric.Record) error) error {
desc := metric.NewDescriptor(
"foo",
metric.CounterInstrumentKind,
number.Int64Kind,
)
res := resource.NewWithAttributes(attribute.String("a", "b"))
agg := sum.New(1)
if err := agg[0].Update(context.Background(), number.NewInt64Number(42), &desc); err != nil {
return err
}
start := time.Date(2020, time.December, 8, 19, 15, 0, 0, time.UTC)
end := time.Date(2020, time.December, 8, 19, 16, 0, 0, time.UTC)
labels := attribute.NewSet(attribute.String("abc", "def"), attribute.Int64("one", 1))
rec := exportmetric.NewRecord(&desc, &labels, res, agg[0].Aggregation(), start, end)
return recordFunc(rec)
}
// SingleSpanSnapshot returns a one-element slice with a snapshot. It
// may be useful for testing driver's trace export.
func SingleSpanSnapshot() []*tracesdk.SpanSnapshot {
sd := &tracesdk.SpanSnapshot{
SpanContext: trace.NewSpanContext(trace.SpanContextConfig{
TraceID: trace.TraceID{2, 3, 4, 5, 6, 7, 8, 9, 2, 3, 4, 5, 6, 7, 8, 9},
SpanID: trace.SpanID{3, 4, 5, 6, 7, 8, 9, 0},
TraceFlags: trace.FlagsSampled,
}),
Parent: trace.NewSpanContext(trace.SpanContextConfig{
TraceID: trace.TraceID{2, 3, 4, 5, 6, 7, 8, 9, 2, 3, 4, 5, 6, 7, 8, 9},
SpanID: trace.SpanID{1, 2, 3, 4, 5, 6, 7, 8},
TraceFlags: trace.FlagsSampled,
}),
SpanKind: trace.SpanKindInternal,
Name: "foo",
StartTime: time.Date(2020, time.December, 8, 20, 23, 0, 0, time.UTC),
EndTime: time.Date(2020, time.December, 0, 20, 24, 0, 0, time.UTC),
Attributes: []attribute.KeyValue{},
MessageEvents: []trace.Event{},
Links: []trace.Link{},
StatusCode: codes.Ok,
StatusMessage: "",
DroppedAttributeCount: 0,
DroppedMessageEventCount: 0,
DroppedLinkCount: 0,
ChildSpanCount: 0,
Resource: resource.NewWithAttributes(attribute.String("a", "b")),
InstrumentationLibrary: instrumentation.Library{
Name: "bar",
Version: "0.0.0",
},
}
return []*tracesdk.SpanSnapshot{sd}
}
// EmptyCheckpointSet is a checkpointer that has no records at all.
type EmptyCheckpointSet struct {
noopLocker
}
var _ exportmetric.CheckpointSet = EmptyCheckpointSet{}
// ForEach implements exportmetric.CheckpointSet. It never invokes the
// callback.
func (EmptyCheckpointSet) ForEach(kindSelector exportmetric.ExportKindSelector, recordFunc func(exportmetric.Record) error) error {
return nil
}
// FailCheckpointSet is a checkpointer that returns an error during
// ForEach.
type FailCheckpointSet struct {
noopLocker
}
var _ exportmetric.CheckpointSet = FailCheckpointSet{}
// ForEach implements exportmetric.CheckpointSet. It always fails.
func (FailCheckpointSet) ForEach(kindSelector exportmetric.ExportKindSelector, recordFunc func(exportmetric.Record) error) error {
return fmt.Errorf("fail")
}