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[connector/signaltometrics]Add collector telemetry as resource attrib…
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75 changes: 75 additions & 0 deletions
75
connector/signaltometricsconnector/internal/model/collectorinstanceinfo.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
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| package model // import "github.com/open-telemetry/opentelemetry-collector-contrib/connector/signaltometricsconnector/internal/model" | ||
|
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| import ( | ||
| "go.opentelemetry.io/collector/component" | ||
| "go.opentelemetry.io/collector/pdata/pcommon" | ||
| semconv "go.opentelemetry.io/collector/semconv/v1.26.0" | ||
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| "github.com/open-telemetry/opentelemetry-collector-contrib/connector/signaltometricsconnector/internal/metadata" | ||
| ) | ||
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| var prefix = metadata.Type.String() | ||
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| // CollectorInstanceInfo holds the attributes that could uniquely identify | ||
| // the current collector instance. These attributes are initialized from the | ||
| // telemetry settings. The CollectorInstanceInfo can copy these attributes, | ||
| // with a given prefix, to a provided map. | ||
| type CollectorInstanceInfo struct { | ||
| size int | ||
| serviceInstanceID string | ||
| serviceName string | ||
| serviceNamespace string | ||
| } | ||
|
|
||
| func NewCollectorInstanceInfo( | ||
| set component.TelemetrySettings, | ||
| ) *CollectorInstanceInfo { | ||
| var info CollectorInstanceInfo | ||
| set.Resource.Attributes().Range(func(k string, v pcommon.Value) bool { | ||
| switch k { | ||
| case semconv.AttributeServiceInstanceID: | ||
| if str := v.Str(); str != "" { | ||
| info.serviceInstanceID = str | ||
| info.size++ | ||
| } | ||
| case semconv.AttributeServiceName: | ||
| if str := v.Str(); str != "" { | ||
| info.serviceName = str | ||
| info.size++ | ||
| } | ||
| case semconv.AttributeServiceNamespace: | ||
| if str := v.Str(); str != "" { | ||
| info.serviceNamespace = str | ||
| info.size++ | ||
| } | ||
| } | ||
| return true | ||
| }) | ||
| return &info | ||
| } | ||
|
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| // Size returns the max number of attributes that defines a collector's | ||
| // instance information. Can be used to presize the attributes. | ||
| func (info CollectorInstanceInfo) Size() int { | ||
| return info.size | ||
| } | ||
|
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| func (info CollectorInstanceInfo) Copy(to pcommon.Map) { | ||
| to.EnsureCapacity(info.Size()) | ||
| if info.serviceInstanceID != "" { | ||
| to.PutStr(keyWithPrefix(semconv.AttributeServiceInstanceID), info.serviceInstanceID) | ||
| } | ||
| if info.serviceName != "" { | ||
| to.PutStr(keyWithPrefix(semconv.AttributeServiceName), info.serviceName) | ||
| } | ||
| if info.serviceNamespace != "" { | ||
| to.PutStr(keyWithPrefix(semconv.AttributeServiceNamespace), info.serviceNamespace) | ||
| } | ||
| } | ||
|
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| func keyWithPrefix(key string) string { | ||
| return prefix + "." + key | ||
| } |
94 changes: 94 additions & 0 deletions
94
connector/signaltometricsconnector/internal/model/collectorinstanceinfo_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
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| package model | ||
|
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| import ( | ||
| "reflect" | ||
| "testing" | ||
|
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| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| "go.opentelemetry.io/collector/component" | ||
| "go.opentelemetry.io/collector/component/componenttest" | ||
| "go.opentelemetry.io/collector/pdata/pcommon" | ||
| semconv "go.opentelemetry.io/collector/semconv/v1.26.0" | ||
| ) | ||
|
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| func TestCollectorInstanceInfo(t *testing.T) { | ||
| for _, tc := range []struct { | ||
| name string | ||
| input component.TelemetrySettings | ||
| expected pcommon.Map | ||
| }{ | ||
| { | ||
| name: "empty", | ||
| input: componenttest.NewNopTelemetrySettings(), | ||
| expected: pcommon.NewMap(), | ||
| }, | ||
| { | ||
| name: "with_service_instance_id", | ||
| input: func() component.TelemetrySettings { | ||
| ts := componenttest.NewNopTelemetrySettings() | ||
| ts.Resource.Attributes().PutStr(semconv.AttributeServiceInstanceID, "627cc493-f310-47de-96bd-71410b7dec09") | ||
| return ts | ||
| }(), | ||
| expected: func() pcommon.Map { | ||
| m := pcommon.NewMap() | ||
| m.PutStr( | ||
| "signaltometrics."+semconv.AttributeServiceInstanceID, | ||
| "627cc493-f310-47de-96bd-71410b7dec09", | ||
| ) | ||
| return m | ||
| }(), | ||
| }, | ||
| { | ||
| name: "with_all_values", | ||
| input: func() component.TelemetrySettings { | ||
| ts := componenttest.NewNopTelemetrySettings() | ||
| ts.Resource.Attributes().PutStr(semconv.AttributeServiceInstanceID, "627cc493-f310-47de-96bd-71410b7dec09") | ||
| ts.Resource.Attributes().PutStr(semconv.AttributeServiceName, "signaltometrics") | ||
| ts.Resource.Attributes().PutStr(semconv.AttributeServiceNamespace, "test") | ||
| return ts | ||
| }(), | ||
| expected: func() pcommon.Map { | ||
| m := pcommon.NewMap() | ||
| m.PutStr( | ||
| "signaltometrics."+semconv.AttributeServiceInstanceID, | ||
| "627cc493-f310-47de-96bd-71410b7dec09", | ||
| ) | ||
| m.PutStr( | ||
| "signaltometrics."+semconv.AttributeServiceName, | ||
| "signaltometrics", | ||
| ) | ||
| m.PutStr( | ||
| "signaltometrics."+semconv.AttributeServiceNamespace, | ||
| "test", | ||
| ) | ||
| return m | ||
| }(), | ||
| }, | ||
| } { | ||
| t.Run(tc.name, func(t *testing.T) { | ||
| ci := NewCollectorInstanceInfo(tc.input) | ||
| require.NotNil(t, ci) | ||
|
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| actual := pcommon.NewMap() | ||
| ci.Copy(actual) | ||
| assert.Equal(t, ci.Size(), actual.Len()) | ||
| assertMapEquality(t, tc.expected, actual) | ||
| }) | ||
| } | ||
| } | ||
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| func assertMapEquality(t *testing.T, expected, actual pcommon.Map) bool { | ||
| t.Helper() | ||
|
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| expectedRaw := expected.AsRaw() | ||
| actualRaw := actual.AsRaw() | ||
| return assert.True( | ||
| t, reflect.DeepEqual(expectedRaw, actualRaw), | ||
| "attributes don't match expected: %v, actual: %v", | ||
| expectedRaw, actualRaw, | ||
| ) | ||
| } |
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