Add E2E test to assert internal metrics

Signed-off-by: Israel Blancas <[email protected]>

Author: iblancasa

internal/e2e/go.mod

@@ -3,6 +3,7 @@ module go.opentelemetry.io/collector/internal/e2e
 go 1.23.0
 
 require (
+	github.com/prometheus/common v0.65.0
 	github.com/stretchr/testify v1.10.0
 	go.opentelemetry.io/collector v0.131.0
 	go.opentelemetry.io/collector/component v1.37.0
@@ -18,19 +19,25 @@ require (
 	go.opentelemetry.io/collector/config/configtelemetry v0.131.0
 	go.opentelemetry.io/collector/config/configtls v1.37.0
 	go.opentelemetry.io/collector/confmap v1.37.0
+	go.opentelemetry.io/collector/confmap/provider/fileprovider v1.37.0
+	go.opentelemetry.io/collector/confmap/provider/yamlprovider v1.37.0
 	go.opentelemetry.io/collector/connector v0.131.0
 	go.opentelemetry.io/collector/connector/connectortest v0.131.0
 	go.opentelemetry.io/collector/consumer v1.37.0
 	go.opentelemetry.io/collector/consumer/consumertest v0.131.0
 	go.opentelemetry.io/collector/exporter v0.131.0
+	go.opentelemetry.io/collector/exporter/debugexporter v0.130.1
 	go.opentelemetry.io/collector/exporter/exportertest v0.131.0
 	go.opentelemetry.io/collector/exporter/otlpexporter v0.131.0
 	go.opentelemetry.io/collector/exporter/otlphttpexporter v0.131.0
 	go.opentelemetry.io/collector/extension v1.37.0
 	go.opentelemetry.io/collector/internal/sharedcomponent v0.131.0
+	go.opentelemetry.io/collector/otelcol v0.131.0
 	go.opentelemetry.io/collector/pdata v1.37.0
 	go.opentelemetry.io/collector/pdata/testdata v0.131.0
 	go.opentelemetry.io/collector/pipeline v0.131.0
+	go.opentelemetry.io/collector/processor v1.37.0
+	go.opentelemetry.io/collector/processor/batchprocessor v0.130.1
 	go.opentelemetry.io/collector/receiver v1.37.0
 	go.opentelemetry.io/collector/receiver/otlpreceiver v0.131.0
 	go.opentelemetry.io/collector/receiver/receivertest v0.131.0
@@ -60,6 +67,7 @@ require (
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.1 // indirect
 	github.com/hashicorp/go-version v1.7.0 // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/compress v1.18.0 // indirect
 	github.com/knadh/koanf/maps v0.1.2 // indirect
@@ -77,17 +85,19 @@ require (
 	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
 	github.com/prometheus/client_golang v1.22.0 // indirect
 	github.com/prometheus/client_model v0.6.2 // indirect
-	github.com/prometheus/common v0.65.0 // indirect
 	github.com/prometheus/procfs v0.17.0 // indirect
 	github.com/rs/cors v1.11.1 // indirect
 	github.com/shirou/gopsutil/v4 v4.25.6 // indirect
+	github.com/spf13/cobra v1.9.1 // indirect
+	github.com/spf13/pflag v1.0.6 // indirect
 	github.com/tklauser/go-sysconf v0.3.12 // indirect
 	github.com/tklauser/numcpus v0.6.1 // indirect
 	github.com/yusufpapurcu/wmi v1.2.4 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
 	go.opentelemetry.io/collector/client v1.37.0 // indirect
 	go.opentelemetry.io/collector/config/configcompression v1.37.0 // indirect
 	go.opentelemetry.io/collector/config/configmiddleware v0.131.0 // indirect
+	go.opentelemetry.io/collector/confmap/xconfmap v0.131.0 // indirect
 	go.opentelemetry.io/collector/connector/xconnector v0.131.0 // indirect
 	go.opentelemetry.io/collector/consumer/consumererror v0.131.0 // indirect
 	go.opentelemetry.io/collector/consumer/consumererror/xconsumererror v0.131.0 // indirect
@@ -105,7 +115,6 @@ require (
 	go.opentelemetry.io/collector/pdata/pprofile v0.131.0 // indirect
 	go.opentelemetry.io/collector/pdata/xpdata v0.131.0 // indirect
 	go.opentelemetry.io/collector/pipeline/xpipeline v0.131.0 // indirect
-	go.opentelemetry.io/collector/processor v1.37.0 // indirect
 	go.opentelemetry.io/collector/processor/processortest v0.131.0 // indirect
 	go.opentelemetry.io/collector/processor/xprocessor v0.131.0 // indirect
 	go.opentelemetry.io/collector/receiver/receiverhelper v0.131.0 // indirect
@@ -138,6 +147,7 @@ require (
 	go.uber.org/multierr v1.11.0 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/crypto v0.40.0 // indirect
+	golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842 // indirect
 	golang.org/x/net v0.42.0 // indirect
 	golang.org/x/sys v0.34.0 // indirect
 	golang.org/x/text v0.27.0 // indirect
@@ -276,3 +286,5 @@ replace go.opentelemetry.io/collector/extension/extensionmiddleware => ../../ext
 replace go.opentelemetry.io/collector/config/configmiddleware => ../../config/configmiddleware
 
 replace go.opentelemetry.io/collector/pdata/xpdata => ../../pdata/xpdata
+
+replace go.opentelemetry.io/collector/exporter/prometheusexporter => ../../exporter/prometheusexporter