split component into its own module (#6543)

Fixes #6187

.chloggen/split-components.yaml

@@ -0,0 +1,18 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver)
+component: component
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Split component into its own package
+
+# One or more tracking issues or pull requests related to the change
+issues: [6187]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext: |-
+  The import path for the processor modules can now be access directly:
+    - `go.opentelemetry.io/collector/component`

.github/dependabot.yml

@@ -18,6 +18,10 @@ updates:
     directory: "/cmd/otelcorecol"
     schedule:
       interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/component"
+    schedule:
+      interval: "weekly"
   - package-ecosystem: "gomod"
     directory: "/exporter/loggingexporter"
     schedule:

cmd/otelcorecol/builder-config.yaml

@@ -20,6 +20,7 @@ processors:
 
 replaces:
   - go.opentelemetry.io/collector => ../../
+  - go.opentelemetry.io/collector/component => ../../component
   - go.opentelemetry.io/collector/exporter/loggingexporter => ../../exporter/loggingexporter
   - go.opentelemetry.io/collector/exporter/otlpexporter => ../../exporter/otlpexporter
   - go.opentelemetry.io/collector/exporter/otlphttpexporter => ../../exporter/otlphttpexporter

cmd/otelcorecol/go.mod

@@ -7,6 +7,7 @@ go 1.18
 require (
 	github.com/stretchr/testify v1.8.1
 	go.opentelemetry.io/collector v0.64.1
+	go.opentelemetry.io/collector/component v0.64.1
 	go.opentelemetry.io/collector/exporter/loggingexporter v0.64.1
 	go.opentelemetry.io/collector/exporter/otlpexporter v0.64.1
 	go.opentelemetry.io/collector/exporter/otlphttpexporter v0.64.1
@@ -88,6 +89,8 @@ require (
 
 replace go.opentelemetry.io/collector => ../../
 
+replace go.opentelemetry.io/collector/component => ../../component
+
 replace go.opentelemetry.io/collector/exporter/loggingexporter => ../../exporter/loggingexporter
 
 replace go.opentelemetry.io/collector/exporter/otlpexporter => ../../exporter/otlpexporter

component/Makefile

@@ -0,0 +1 @@
+include ../Makefile.Common

component/go.mod

@@ -0,0 +1,46 @@
+module go.opentelemetry.io/collector/component
+
+go 1.18
+
+require (
+	github.com/stretchr/testify v1.8.1
+	go.opentelemetry.io/collector v0.64.1
+	go.opentelemetry.io/collector/pdata v0.64.1
+	go.opentelemetry.io/otel/metric v0.33.0
+	go.opentelemetry.io/otel/trace v1.11.1
+	go.uber.org/multierr v1.8.0
+	go.uber.org/zap v1.23.0
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/knadh/koanf v1.4.4 // indirect
+	github.com/mitchellh/copystructure v1.2.0 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/mitchellh/reflectwalk v1.0.2 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	go.opentelemetry.io/otel v1.11.1 // indirect
+	go.uber.org/atomic v1.10.0 // indirect
+	golang.org/x/net v0.0.0-20220225172249-27dd8689420f // indirect
+	golang.org/x/sys v0.2.0 // indirect
+	golang.org/x/text v0.3.7 // indirect
+	google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa // indirect
+	google.golang.org/grpc v1.50.1 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
+
+replace go.opentelemetry.io/collector => ../
+
+replace go.opentelemetry.io/collector/pdata => ../pdata
+
+replace go.opentelemetry.io/collector/semconv => ../semconv
+
+replace go.opentelemetry.io/collector/processor/batchprocessor => ../processor/batchprocessor
+
+replace go.opentelemetry.io/collector/extension/zpagesextension => ../extension/zpagesextension

exporter/loggingexporter/go.mod

@@ -5,6 +5,7 @@ go 1.18
 require (
 	github.com/stretchr/testify v1.8.1
 	go.opentelemetry.io/collector v0.64.1
+	go.opentelemetry.io/collector/component v0.64.1
 	go.opentelemetry.io/collector/pdata v0.64.1
 	go.uber.org/zap v1.23.0
 	golang.org/x/sys v0.2.0
@@ -40,6 +41,8 @@ require (
 
 replace go.opentelemetry.io/collector => ../../
 
+replace go.opentelemetry.io/collector/component => ../../component
+
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
 replace go.opentelemetry.io/collector/semconv => ../../semconv

exporter/otlpexporter/go.mod

@@ -5,6 +5,7 @@ go 1.18
 require (
 	github.com/stretchr/testify v1.8.1
 	go.opentelemetry.io/collector v0.64.1
+	go.opentelemetry.io/collector/component v0.64.1
 	go.opentelemetry.io/collector/pdata v0.64.1
 	go.uber.org/atomic v1.10.0
 	google.golang.org/genproto v0.0.0-20221018160656-63c7b68cfc55
@@ -45,6 +46,8 @@ require (
 
 replace go.opentelemetry.io/collector => ../../
 
+replace go.opentelemetry.io/collector/component => ../../component
+
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
 replace go.opentelemetry.io/collector/semconv => ../../semconv

exporter/otlphttpexporter/go.mod

@@ -5,6 +5,7 @@ go 1.18
 require (
 	github.com/stretchr/testify v1.8.1
 	go.opentelemetry.io/collector v0.64.1
+	go.opentelemetry.io/collector/component v0.64.1
 	go.opentelemetry.io/collector/pdata v0.64.1
 	go.opentelemetry.io/collector/receiver/otlpreceiver v0.64.1
 	go.uber.org/zap v1.23.0
@@ -49,6 +50,8 @@ require (
 
 replace go.opentelemetry.io/collector => ../../
 
+replace go.opentelemetry.io/collector/component => ../../component
+
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
 replace go.opentelemetry.io/collector/receiver/otlpreceiver => ../../receiver/otlpreceiver

extension/ballastextension/go.mod

@@ -5,6 +5,7 @@ go 1.18
 require (
 	github.com/stretchr/testify v1.8.1
 	go.opentelemetry.io/collector v0.64.1
+	go.opentelemetry.io/collector/component v0.64.1
 	go.uber.org/zap v1.23.0
 )
 
@@ -42,6 +43,8 @@ require (
 
 replace go.opentelemetry.io/collector => ../../
 
+replace go.opentelemetry.io/collector/component => ../../component
+
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
 replace go.opentelemetry.io/collector/semconv => ../../semconv

extension/zpagesextension/go.mod

@@ -5,6 +5,7 @@ go 1.18
 require (
 	github.com/stretchr/testify v1.8.1
 	go.opentelemetry.io/collector v0.64.1
+	go.opentelemetry.io/collector/component v0.64.1
 	go.opentelemetry.io/contrib/zpages v0.36.4
 	go.opentelemetry.io/otel/sdk v1.11.1
 	go.opentelemetry.io/otel/trace v1.11.1
@@ -41,6 +42,8 @@ require (
 
 replace go.opentelemetry.io/collector => ../../
 
+replace go.opentelemetry.io/collector/component => ../../component
+
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
 replace go.opentelemetry.io/collector/semconv => ../../semconv

go.mod

@@ -20,6 +20,7 @@ require (
 	github.com/spf13/cobra v1.6.1
 	github.com/stretchr/testify v1.8.1
 	go.opencensus.io v0.24.0
+	go.opentelemetry.io/collector/component v0.64.1
 	go.opentelemetry.io/collector/extension/zpagesextension v0.64.1
 	go.opentelemetry.io/collector/pdata v0.64.1
 	go.opentelemetry.io/collector/processor/batchprocessor v0.64.1
@@ -79,6 +80,8 @@ require (
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 )
 
+replace go.opentelemetry.io/collector/component => ./component
+
 replace go.opentelemetry.io/collector/semconv => ./semconv
 
 replace go.opentelemetry.io/collector/pdata => ./pdata

processor/batchprocessor/go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/stretchr/testify v1.8.1
 	go.opencensus.io v0.24.0
 	go.opentelemetry.io/collector v0.64.1
+	go.opentelemetry.io/collector/component v0.64.1
 	go.opentelemetry.io/collector/pdata v0.64.1
 	go.uber.org/zap v1.23.0
 )
@@ -38,6 +39,8 @@ require (
 
 replace go.opentelemetry.io/collector => ../../
 
+replace go.opentelemetry.io/collector/component => ../../component
+
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
 replace go.opentelemetry.io/collector/semconv => ../../semconv

processor/memorylimiterprocessor/go.mod

@@ -5,6 +5,7 @@ go 1.18
 require (
 	github.com/stretchr/testify v1.8.1
 	go.opentelemetry.io/collector v0.64.1
+	go.opentelemetry.io/collector/component v0.64.1
 	go.opentelemetry.io/collector/pdata v0.64.1
 	go.uber.org/atomic v1.10.0
 	go.uber.org/zap v1.23.0
@@ -43,6 +44,8 @@ require (
 
 replace go.opentelemetry.io/collector => ../../
 
+replace go.opentelemetry.io/collector/component => ../../component
+
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
 replace go.opentelemetry.io/collector/semconv => ../../semconv

receiver/otlpreceiver/config.go

@@ -26,9 +26,8 @@ import (
 
 const (
 	// Protocol values.
-	protoGRPC          = "protocols::grpc"
-	protoHTTP          = "protocols::http"
-	protocolsFieldName = "protocols"
+	protoGRPC = "protocols::grpc"
+	protoHTTP = "protocols::http"
 )
 
 // Protocols is the configuration for the supported protocols.

receiver/otlpreceiver/go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/gogo/protobuf v1.3.2
 	github.com/stretchr/testify v1.8.1
 	go.opentelemetry.io/collector v0.64.1
+	go.opentelemetry.io/collector/component v0.64.1
 	go.opentelemetry.io/collector/pdata v0.64.1
 	go.opentelemetry.io/collector/semconv v0.64.1
 	go.uber.org/zap v1.23.0
@@ -65,6 +66,8 @@ require (
 
 replace go.opentelemetry.io/collector => ../../
 
+replace go.opentelemetry.io/collector/component => ../../component
+
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
 replace go.opentelemetry.io/collector/semconv => ../../semconv

versions.yaml

@@ -21,6 +21,7 @@ module-sets:
     version: v0.64.1
     modules:
       - go.opentelemetry.io/collector
+      - go.opentelemetry.io/collector/component
       - go.opentelemetry.io/collector/cmd/builder
       - go.opentelemetry.io/collector/exporter/loggingexporter
       - go.opentelemetry.io/collector/exporter/otlpexporter