added filter to spanmetrics processor (#6)

processor/spanmetricsprocessor/config.go

@@ -20,6 +20,8 @@ import (
 	"go.opentelemetry.io/collector/config"
 	"go.opentelemetry.io/collector/model/pdata"
 	"go.opentelemetry.io/collector/service/featuregate"
+
+	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal/processor/filterconfig"
 )
 
 const (
@@ -37,6 +39,8 @@ type Dimension struct {
 type Config struct {
 	config.ProcessorSettings `mapstructure:",squash"` // squash ensures fields are correctly decoded in embedded struct
 
+	filterconfig.MatchConfig `mapstructure:",squash"`
+
 	// MetricsExporter is the name of the metrics exporter to use to ship metrics.
 	MetricsExporter string `mapstructure:"metrics_exporter"`
 

processor/spanmetricsprocessor/go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/hashicorp/golang-lru v0.5.4
 	github.com/open-telemetry/opentelemetry-collector-contrib/exporter/jaegerexporter v0.47.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter v0.47.0
+	github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal v0.47.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/receiver/jaegerreceiver v0.47.0
 	github.com/stretchr/testify v1.7.0
 	go.opentelemetry.io/collector v0.47.0
@@ -28,6 +29,7 @@ require (
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/gogo/googleapis v1.4.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/gorilla/mux v1.8.0 // indirect
@@ -41,13 +43,12 @@ require (
 	github.com/mitchellh/mapstructure v1.4.3 // indirect
 	github.com/mitchellh/reflectwalk v1.0.2 // indirect
 	github.com/mostynb/go-grpc-compression v1.1.16 // indirect
-	github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal v0.47.0 // indirect
 	github.com/open-telemetry/opentelemetry-collector-contrib/pkg/resourcetotelemetry v0.47.0 // indirect
 	github.com/open-telemetry/opentelemetry-collector-contrib/pkg/translator/jaeger v0.47.0 // indirect
 	github.com/opentracing/opentracing-go v1.2.0 // indirect
 	github.com/pelletier/go-toml v1.9.4 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_golang v1.12.1 // indirect
+	github.com/prometheus/client_golang v1.12.2-0.20220318110013-3bc8f2c651ff // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
 	github.com/prometheus/common v0.32.1 // indirect
 	github.com/prometheus/procfs v0.7.3 // indirect