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[processor/transform] Add business logic for handling traces queries.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| // 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 traces // import "github.com/open-telemetry/opentelemetry-collector-contrib/processor/transformprocessor/internal/traces" | ||
|
|
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| import ( | ||
| "fmt" | ||
|
|
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| "go.opentelemetry.io/collector/model/pdata" | ||
|
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| "github.com/open-telemetry/opentelemetry-collector-contrib/processor/transformprocessor/internal/common" | ||
| ) | ||
|
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| func newConditionEvaluator(cond *common.Condition) (func(span pdata.Span, il pdata.InstrumentationLibrary, resource pdata.Resource) bool, error) { | ||
| if cond == nil { | ||
| return func(span pdata.Span, il pdata.InstrumentationLibrary, resource pdata.Resource) bool { | ||
| return true | ||
| }, nil | ||
| } | ||
| left, err := newGetter(cond.Left) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| right, err := newGetter(cond.Right) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| switch cond.Op { | ||
| case "==": | ||
| return func(span pdata.Span, il pdata.InstrumentationLibrary, resource pdata.Resource) bool { | ||
| a := left.get(span, il, resource) | ||
| b := right.get(span, il, resource) | ||
| return a == b | ||
| }, nil | ||
| case "!=": | ||
| return func(span pdata.Span, il pdata.InstrumentationLibrary, resource pdata.Resource) bool { | ||
| return left.get(span, il, resource) != right.get(span, il, resource) | ||
| }, nil | ||
| } | ||
|
|
||
| return nil, fmt.Errorf("unrecognized boolean operation %v", cond.Op) | ||
| } |
136 changes: 136 additions & 0 deletions
136
processor/transformprocessor/internal/traces/condition_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| // 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 traces | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
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| "github.com/stretchr/testify/assert" | ||
| "go.opentelemetry.io/collector/model/pdata" | ||
|
|
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| "github.com/open-telemetry/opentelemetry-collector-contrib/processor/transformprocessor/internal/common" | ||
| ) | ||
|
|
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| func Test_newConditionEvaluator(t *testing.T) { | ||
| span := pdata.NewSpan() | ||
| span.SetName("bear") | ||
| tests := []struct { | ||
| name string | ||
| cond *common.Condition | ||
| matching pdata.Span | ||
| }{ | ||
| { | ||
| name: "literals match", | ||
| cond: &common.Condition{ | ||
| Left: common.Value{ | ||
| String: strp("hello"), | ||
| }, | ||
| Right: common.Value{ | ||
| String: strp("hello"), | ||
| }, | ||
| Op: "==", | ||
| }, | ||
| matching: span, | ||
| }, | ||
| { | ||
| name: "literals don't match", | ||
| cond: &common.Condition{ | ||
| Left: common.Value{ | ||
| String: strp("hello"), | ||
| }, | ||
| Right: common.Value{ | ||
| String: strp("goodbye"), | ||
| }, | ||
| Op: "!=", | ||
| }, | ||
| matching: span, | ||
| }, | ||
| { | ||
| name: "path expression matches", | ||
| cond: &common.Condition{ | ||
| Left: common.Value{ | ||
| Path: &common.Path{ | ||
| Fields: []common.Field{ | ||
| { | ||
| Name: "name", | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| Right: common.Value{ | ||
| String: strp("bear"), | ||
| }, | ||
| Op: "==", | ||
| }, | ||
| matching: span, | ||
| }, | ||
| { | ||
| name: "path expression not matches", | ||
| cond: &common.Condition{ | ||
| Left: common.Value{ | ||
| Path: &common.Path{ | ||
| Fields: []common.Field{ | ||
| { | ||
| Name: "name", | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| Right: common.Value{ | ||
| String: strp("bear"), | ||
| }, | ||
| Op: "==", | ||
| }, | ||
| matching: span, | ||
| }, | ||
| { | ||
| name: "no condition", | ||
| cond: nil, | ||
| matching: span, | ||
| }, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| evaluate, err := newConditionEvaluator(tt.cond) | ||
| assert.NoError(t, err) | ||
| assert.True(t, evaluate(tt.matching, pdata.NewInstrumentationLibrary(), pdata.NewResource())) | ||
| }) | ||
| } | ||
|
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| t.Run("invalid", func(t *testing.T) { | ||
| _, err := newConditionEvaluator(&common.Condition{ | ||
| Left: common.Value{ | ||
| String: strp("bear"), | ||
| }, | ||
| Op: "<>", | ||
| Right: common.Value{ | ||
| String: strp("cat"), | ||
| }, | ||
| }) | ||
| assert.Error(t, err) | ||
| }) | ||
| } | ||
|
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| func strp(s string) *string { | ||
| return &s | ||
| } | ||
|
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| func intp(i int64) *int64 { | ||
| return &i | ||
| } | ||
|
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| func floatp(f float64) *float64 { | ||
| return &f | ||
| } |
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