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Add attributes filter to cascadingfilter
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158 changes: 158 additions & 0 deletions
158
processor/cascadingfilterprocessor/sampling/attrs_filter_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| // 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. | ||
|
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| package sampling | ||
|
|
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| import ( | ||
| "math" | ||
| "regexp" | ||
| "testing" | ||
| "time" | ||
|
|
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| "go.opentelemetry.io/collector/model/pdata" | ||
| "go.uber.org/zap" | ||
| ) | ||
|
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| func newAttrsFilter(filters []attributeFilter) policyEvaluator { | ||
| return policyEvaluator{ | ||
| logger: zap.NewNop(), | ||
| attrs: filters, | ||
| maxSpansPerSecond: math.MaxInt32, | ||
| } | ||
| } | ||
|
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| func newAttrFilter(key string, regexValues []string, ranges []attributeRange) attributeFilter { | ||
| var patterns []*regexp.Regexp | ||
| for _, value := range regexValues { | ||
| re := regexp.MustCompile(value) | ||
| patterns = append(patterns, re) | ||
| } | ||
|
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| return attributeFilter{ | ||
| key: key, | ||
| values: nil, | ||
| patterns: patterns, | ||
| ranges: ranges, | ||
| } | ||
| } | ||
|
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| func TestAttributesFilter(t *testing.T) { | ||
| filterFooPattern := newAttrFilter("foo", []string{"foob.*"}, nil) | ||
| filterBarPattern := newAttrFilter("bar", []string{"baz.*"}, nil) | ||
| filterCooNothing := newAttrFilter("coo", nil, nil) | ||
| filterFooRange := newAttrFilter("foo", nil, []attributeRange{{minValue: 100, maxValue: 150}}) | ||
| filterFooRangesOrPatterns := newAttrFilter("foo", []string{"foo.*", "claz.*"}, []attributeRange{{minValue: 100, maxValue: 150}, {minValue: 200, maxValue: 250}}) | ||
|
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| composite := newAttrsFilter([]attributeFilter{filterFooRangesOrPatterns, filterBarPattern}) | ||
| bar := newAttrsFilter([]attributeFilter{filterBarPattern}) | ||
| fooRange := newAttrsFilter([]attributeFilter{filterFooRange}) | ||
| fooPattern := newAttrsFilter([]attributeFilter{filterFooPattern}) | ||
| coo := newAttrsFilter([]attributeFilter{filterCooNothing}) | ||
|
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| fooTraces, fooAttrs := newTrace() | ||
| fooAttrs.InsertString("foo", "foobar") | ||
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| fooNumTraces, fooNumAttrs := newTrace() | ||
| fooNumAttrs.InsertInt("foo", 130) | ||
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| fooBarTraces, fooBarAttrs := newTrace() | ||
| fooBarAttrs.InsertString("foo", "foobar") | ||
| fooBarAttrs.InsertString("bar", "bazbar") | ||
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| booTraces, booAttrs := newTrace() | ||
| booAttrs.InsertString("bar", "bazboo") | ||
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| cooTraces, cooAttrs := newTrace() | ||
| cooAttrs.InsertString("coo", "fsdkfjsdkljsda") | ||
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| cases := []struct { | ||
| Desc string | ||
| Evaluator policyEvaluator | ||
| Match []*TraceData | ||
| DontMatch []*TraceData | ||
| }{ | ||
| { | ||
| Desc: "simple string pattern", | ||
| Evaluator: fooPattern, | ||
| Match: []*TraceData{fooTraces, fooBarTraces}, | ||
| DontMatch: []*TraceData{fooNumTraces, booTraces, cooTraces}, | ||
| }, | ||
| { | ||
| Desc: "simple numeric ranges", | ||
| Evaluator: fooRange, | ||
| Match: []*TraceData{fooNumTraces}, | ||
| DontMatch: []*TraceData{fooTraces, fooBarTraces, booTraces, cooTraces}, | ||
| }, | ||
| { | ||
| Desc: "simple pattern", | ||
| Evaluator: bar, | ||
| Match: []*TraceData{fooBarTraces, booTraces}, | ||
| DontMatch: []*TraceData{fooTraces, fooNumTraces}, | ||
| }, | ||
| { | ||
| Desc: "composite", | ||
| Evaluator: composite, | ||
| Match: []*TraceData{fooBarTraces}, | ||
| DontMatch: []*TraceData{fooTraces, fooNumTraces, booTraces, cooTraces}, | ||
| }, | ||
| { | ||
| Desc: "no pattern, just existence of key", | ||
| Evaluator: coo, | ||
| Match: []*TraceData{cooTraces}, | ||
| DontMatch: []*TraceData{fooTraces, fooNumTraces, fooBarTraces, booTraces}, | ||
| }, | ||
| } | ||
|
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| for _, c := range cases { | ||
| t.Run(c.Desc, func(t *testing.T) { | ||
| for _, traces := range c.Match { | ||
| c.Evaluator.invertMatch = false | ||
| evaluate(t, c.Evaluator, traces, Sampled) | ||
| c.Evaluator.invertMatch = true | ||
| evaluate(t, c.Evaluator, traces, NotSampled) | ||
| } | ||
| for _, traces := range c.DontMatch { | ||
| c.Evaluator.invertMatch = false | ||
| evaluate(t, c.Evaluator, traces, NotSampled) | ||
| c.Evaluator.invertMatch = true | ||
| evaluate(t, c.Evaluator, traces, Sampled) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
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| func newTrace() (*TraceData, pdata.AttributeMap) { | ||
| endTs := time.Now().UnixNano() | ||
| startTs := endTs - 100000 | ||
|
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| var traceBatches []pdata.Traces | ||
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| traces := pdata.NewTraces() | ||
| rs := traces.ResourceSpans().AppendEmpty() | ||
| ils := rs.InstrumentationLibrarySpans().AppendEmpty() | ||
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| spans := ils.Spans() | ||
| spans.EnsureCapacity(1) | ||
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| span := spans.AppendEmpty() | ||
| span.SetName("fooname") | ||
| span.SetStartTimestamp(pdata.Timestamp(startTs)) | ||
| span.SetEndTimestamp(pdata.Timestamp(endTs)) | ||
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| traceBatches = append(traceBatches, traces) | ||
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| return &TraceData{ | ||
| ReceivedBatches: traceBatches, | ||
| }, span.Attributes() | ||
| } |
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