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attributes.go
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attributes.go
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// Package attributes provides an otelcol.processor.attributes component.
package attributes
import (
"fmt"
"github.com/grafana/agent/component"
"github.com/grafana/agent/component/otelcol"
"github.com/grafana/agent/component/otelcol/processor"
otel_service "github.com/grafana/agent/service/otel"
"github.com/mitchellh/mapstructure"
"github.com/open-telemetry/opentelemetry-collector-contrib/processor/attributesprocessor"
otelcomponent "go.opentelemetry.io/collector/component"
otelextension "go.opentelemetry.io/collector/extension"
)
func init() {
component.Register(component.Registration{
Name: "otelcol.processor.attributes",
Args: Arguments{},
Exports: otelcol.ConsumerExports{},
NeedsServices: []string{otel_service.ServiceName},
Build: func(opts component.Options, args component.Arguments) (component.Component, error) {
fact := attributesprocessor.NewFactory()
return processor.New(opts, fact, args.(Arguments))
},
})
}
// Arguments configures the otelcol.processor.attributes component.
type Arguments struct {
// Pre-processing filtering to include/exclude data from the processor.
Match otelcol.MatchConfig `river:",squash"`
// Actions performed on the input data in the order specified in the config.
// Example actions are "insert", "update", "upsert", "delete", "hash".
Actions otelcol.AttrActionKeyValueSlice `river:"action,block,optional"`
// Output configures where to send processed data. Required.
Output *otelcol.ConsumerArguments `river:"output,block"`
}
var (
_ processor.Arguments = Arguments{}
)
// Convert implements processor.Arguments.
func (args Arguments) Convert() (otelcomponent.Config, error) {
input := make(map[string]interface{})
if actions := args.Actions.Convert(); len(actions) > 0 {
input["actions"] = actions
}
if args.Match.Include != nil {
matchConfig, err := args.Match.Include.Convert()
if err != nil {
return nil, fmt.Errorf("error getting 'include' match properties: %w", err)
}
if len(matchConfig) > 0 {
input["include"] = matchConfig
}
}
if args.Match.Exclude != nil {
matchConfig, err := args.Match.Exclude.Convert()
if err != nil {
return nil, fmt.Errorf("error getting 'exclude' match properties: %w", err)
}
if len(matchConfig) > 0 {
input["exclude"] = matchConfig
}
}
var result attributesprocessor.Config
err := mapstructure.Decode(input, &result)
if err != nil {
return nil, err
}
return &result, nil
}
// Extensions implements processor.Arguments.
func (args Arguments) Extensions() map[otelcomponent.ID]otelextension.Extension {
return nil
}
// Exporters implements processor.Arguments.
func (args Arguments) Exporters() map[otelcomponent.DataType]map[otelcomponent.ID]otelcomponent.Component {
return nil
}
// NextConsumers implements processor.Arguments.
func (args Arguments) NextConsumers() *otelcol.ConsumerArguments {
return args.Output
}