Split processor into its own module (open-telemetry#7858)

Fix open-telemetry#7307

---------

Signed-off-by: Alex Boten <aboten@lightstep.com>

.chloggen/codeboten_split-processor.yaml

@@ -0,0 +1,16 @@
+# 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: processor
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Split the processor into its own go module
+
+# One or more tracking issues or pull requests related to the change
+issues: [7307]
+
+# (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:

.github/dependabot.yml

@@ -87,6 +87,11 @@ updates:
     schedule:
       interval: "weekly"
       day: "wednesday"
+  - package-ecosystem: "gomod"
+    directory: "/processor"
+    schedule:
+      interval: "weekly"
+      day: "wednesday"
   - package-ecosystem: "gomod"
     directory: "/processor/batchprocessor"
     schedule:

Makefile

@@ -284,6 +284,7 @@ check-contrib:
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -replace go.opentelemetry.io/collector/extension/zpagesextension=$(CURDIR)/extension/zpagesextension"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -replace go.opentelemetry.io/collector/featuregate=$(CURDIR)/featuregate"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -replace go.opentelemetry.io/collector/pdata=$(CURDIR)/pdata"
+	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -replace go.opentelemetry.io/collector/processor=$(CURDIR)/processor"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -replace go.opentelemetry.io/collector/processor/batchprocessor=$(CURDIR)/processor/batchprocessor"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -replace go.opentelemetry.io/collector/processor/memorylimiterprocessor=$(CURDIR)/processor/memorylimiterprocessor"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -replace go.opentelemetry.io/collector/receiver=$(CURDIR)/receiver"
@@ -311,6 +312,7 @@ restore-contrib:
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -dropreplace go.opentelemetry.io/collector/extension/zpagestextension"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -dropreplace go.opentelemetry.io/collector/featuregate"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -dropreplace go.opentelemetry.io/collector/pdata"
+	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -dropreplace go.opentelemetry.io/collector/processor"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -dropreplace go.opentelemetry.io/collector/processor/batchprocessor"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -dropreplace go.opentelemetry.io/collector/processor/memorylimiterprocessor"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -dropreplace go.opentelemetry.io/collector/receiver"

cmd/builder/internal/builder/main_test.go

@@ -52,6 +52,7 @@ func TestGenerateAndCompile(t *testing.T) {
 		fmt.Sprintf("go.opentelemetry.io/collector/extension/ballastextension => %s/extension/ballastextension", workspaceDir),
 		fmt.Sprintf("go.opentelemetry.io/collector/extension/zpagesextension => %s/extension/zpagesextension", workspaceDir),
 		fmt.Sprintf("go.opentelemetry.io/collector/featuregate => %s/featuregate", workspaceDir),
+		fmt.Sprintf("go.opentelemetry.io/collector/processor => %s/processor", workspaceDir),
 		fmt.Sprintf("go.opentelemetry.io/collector/processor/batchprocessor => %s/processor/batchprocessor", workspaceDir),
 		fmt.Sprintf("go.opentelemetry.io/collector/processor/memorylimiterprocessor => %s/processor/memorylimiterprocessor", workspaceDir),
 		fmt.Sprintf("go.opentelemetry.io/collector/receiver => %s/receiver", workspaceDir),

cmd/builder/test/core.builder.yaml

@@ -30,3 +30,4 @@ replaces:
   - go.opentelemetry.io/collector/receiver/otlpreceiver => ${WORKSPACE_DIR}/receiver/otlpreceiver
   - go.opentelemetry.io/collector/semconv => ${WORKSPACE_DIR}/semconv
   - go.opentelemetry.io/collector/pdata => ${WORKSPACE_DIR}/pdata
+  - go.opentelemetry.io/collector/processor => ${WORKSPACE_DIR}/processor

cmd/otelcorecol/builder-config.yaml

@@ -34,6 +34,7 @@ replaces:
   - go.opentelemetry.io/collector/extension/zpagesextension => ../../extension/zpagesextension
   - go.opentelemetry.io/collector/featuregate => ../../featuregate
   - go.opentelemetry.io/collector/pdata => ../../pdata
+  - go.opentelemetry.io/collector/processor => ../../processor
   - go.opentelemetry.io/collector/receiver => ../../receiver
   - go.opentelemetry.io/collector/receiver/otlpreceiver => ../../receiver/otlpreceiver
   - go.opentelemetry.io/collector/processor/batchprocessor => ../../processor/batchprocessor

cmd/otelcorecol/go.mod

@@ -15,6 +15,7 @@ require (
 	go.opentelemetry.io/collector/exporter/otlphttpexporter v0.79.0
 	go.opentelemetry.io/collector/extension/ballastextension v0.79.0
 	go.opentelemetry.io/collector/extension/zpagesextension v0.79.0
+	go.opentelemetry.io/collector/processor v0.0.0-00010101000000-000000000000
 	go.opentelemetry.io/collector/processor/batchprocessor v0.79.0
 	go.opentelemetry.io/collector/processor/memorylimiterprocessor v0.79.0
 	go.opentelemetry.io/collector/receiver v0.79.0
@@ -123,6 +124,8 @@ replace go.opentelemetry.io/collector/featuregate => ../../featuregate
 
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
+replace go.opentelemetry.io/collector/processor => ../../processor
+
 replace go.opentelemetry.io/collector/receiver => ../../receiver
 
 replace go.opentelemetry.io/collector/receiver/otlpreceiver => ../../receiver/otlpreceiver

component/go.mod

@@ -46,6 +46,8 @@ replace go.opentelemetry.io/collector/featuregate => ../featuregate
 
 replace go.opentelemetry.io/collector/pdata => ../pdata
 
+replace go.opentelemetry.io/collector/processor => ../processor
+
 replace go.opentelemetry.io/collector/receiver => ../receiver
 
 replace go.opentelemetry.io/collector/semconv => ../semconv

connector/forwardconnector/go.mod

@@ -47,6 +47,8 @@ replace go.opentelemetry.io/collector/exporter => ../../exporter
 
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
+replace go.opentelemetry.io/collector/processor => ../../processor
+
 replace go.opentelemetry.io/collector/receiver => ../../receiver
 
 replace go.opentelemetry.io/collector/semconv => ../../semconv

consumer/go.mod

@@ -33,6 +33,8 @@ replace go.opentelemetry.io/collector/exporter => ../exporter
 
 replace go.opentelemetry.io/collector/pdata => ../pdata
 
+replace go.opentelemetry.io/collector/processor => ../processor
+
 replace go.opentelemetry.io/collector/receiver => ../receiver
 
 replace go.opentelemetry.io/collector/semconv => ../semconv

exporter/go.mod

@@ -44,6 +44,7 @@ require (
 	github.com/prometheus/statsd_exporter v0.22.7 // indirect
 	go.opentelemetry.io/collector/confmap v0.79.0 // indirect
 	go.opentelemetry.io/collector/featuregate v1.0.0-rcv0012 // indirect
+	go.opentelemetry.io/collector/processor v0.0.0-00010101000000-000000000000 // indirect
 	go.opentelemetry.io/collector/receiver v0.79.0 // indirect
 	go.opentelemetry.io/otel/exporters/prometheus v0.39.0 // indirect
 	go.opentelemetry.io/otel/metric v1.16.0 // indirect
@@ -74,6 +75,8 @@ replace go.opentelemetry.io/collector/featuregate => ../featuregate
 
 replace go.opentelemetry.io/collector/pdata => ../pdata
 
+replace go.opentelemetry.io/collector/processor => ../processor
+
 replace go.opentelemetry.io/collector/receiver => ../receiver
 
 replace go.opentelemetry.io/collector/semconv => ../semconv

exporter/loggingexporter/go.mod

@@ -30,6 +30,7 @@ require (
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	go.opencensus.io v0.24.0 // indirect
 	go.opentelemetry.io/collector/featuregate v1.0.0-rcv0012 // indirect
+	go.opentelemetry.io/collector/processor v0.0.0-00010101000000-000000000000 // indirect
 	go.opentelemetry.io/collector/receiver v0.79.0 // indirect
 	go.opentelemetry.io/otel v1.16.0 // indirect
 	go.opentelemetry.io/otel/metric v1.16.0 // indirect
@@ -58,6 +59,8 @@ replace go.opentelemetry.io/collector/featuregate => ../../featuregate
 
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
+replace go.opentelemetry.io/collector/processor => ../../processor
+
 replace go.opentelemetry.io/collector/receiver => ../../receiver
 
 replace go.opentelemetry.io/collector/semconv => ../../semconv

exporter/otlpexporter/go.mod

@@ -36,6 +36,7 @@ require (
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	go.opencensus.io v0.24.0 // indirect
 	go.opentelemetry.io/collector/featuregate v1.0.0-rcv0012 // indirect
+	go.opentelemetry.io/collector/processor v0.0.0-00010101000000-000000000000 // indirect
 	go.opentelemetry.io/collector/receiver v0.79.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.42.0 // indirect
 	go.opentelemetry.io/otel v1.16.0 // indirect
@@ -62,6 +63,8 @@ replace go.opentelemetry.io/collector/featuregate => ../../featuregate
 
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
+replace go.opentelemetry.io/collector/processor => ../../processor
+
 replace go.opentelemetry.io/collector/receiver => ../../receiver
 
 replace go.opentelemetry.io/collector/semconv => ../../semconv

exporter/otlphttpexporter/go.mod

@@ -41,6 +41,7 @@ require (
 	github.com/rs/cors v1.9.0 // indirect
 	go.opencensus.io v0.24.0 // indirect
 	go.opentelemetry.io/collector/featuregate v1.0.0-rcv0012 // indirect
+	go.opentelemetry.io/collector/processor v0.0.0-00010101000000-000000000000 // indirect
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.42.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.42.0 // indirect
 	go.opentelemetry.io/otel v1.16.0 // indirect
@@ -66,6 +67,8 @@ replace go.opentelemetry.io/collector/featuregate => ../../featuregate
 
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
+replace go.opentelemetry.io/collector/processor => ../../processor
+
 replace go.opentelemetry.io/collector/receiver => ../../receiver
 
 replace go.opentelemetry.io/collector/receiver/otlpreceiver => ../../receiver/otlpreceiver

extension/ballastextension/go.mod

@@ -54,6 +54,8 @@ replace go.opentelemetry.io/collector/featuregate => ../../featuregate
 
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
+replace go.opentelemetry.io/collector/processor => ../../processor
+
 replace go.opentelemetry.io/collector/receiver => ../../receiver
 
 replace go.opentelemetry.io/collector/semconv => ../../semconv

extension/zpagesextension/go.mod

@@ -51,6 +51,8 @@ replace go.opentelemetry.io/collector/featuregate => ../../featuregate
 
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
+replace go.opentelemetry.io/collector/processor => ../../processor
+
 replace go.opentelemetry.io/collector/receiver => ../../receiver
 
 replace go.opentelemetry.io/collector/semconv => ../../semconv

go.mod

@@ -24,6 +24,7 @@ require (
 	go.opentelemetry.io/collector/extension/zpagesextension v0.79.0
 	go.opentelemetry.io/collector/featuregate v1.0.0-rcv0012
 	go.opentelemetry.io/collector/pdata v1.0.0-rcv0012
+	go.opentelemetry.io/collector/processor v0.0.0-00010101000000-000000000000
 	go.opentelemetry.io/collector/receiver v0.79.0
 	go.opentelemetry.io/collector/semconv v0.79.0
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.42.0
@@ -100,6 +101,8 @@ replace go.opentelemetry.io/collector/semconv => ./semconv
 
 replace go.opentelemetry.io/collector/pdata => ./pdata
 
+replace go.opentelemetry.io/collector/processor => ./processor
+
 replace go.opentelemetry.io/collector/receiver => ./receiver
 
 replace go.opentelemetry.io/collector/extension/zpagesextension => ./extension/zpagesextension

processor/Makefile

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

processor/batchprocessor/go.mod

@@ -14,6 +14,7 @@ require (
 	go.opentelemetry.io/collector/confmap v0.79.0
 	go.opentelemetry.io/collector/consumer v0.79.0
 	go.opentelemetry.io/collector/pdata v1.0.0-rcv0012
+	go.opentelemetry.io/collector/processor v0.0.0-00010101000000-000000000000
 	go.opentelemetry.io/otel v1.16.0
 	go.opentelemetry.io/otel/exporters/prometheus v0.39.0
 	go.opentelemetry.io/otel/metric v1.16.0
@@ -62,6 +63,8 @@ require (
 
 replace go.opentelemetry.io/collector => ../../
 
+replace go.opentelemetry.io/collector/processor => ../
+
 replace go.opentelemetry.io/collector/component => ../../component
 
 replace go.opentelemetry.io/collector/confmap => ../../confmap

processor/go.mod

@@ -0,0 +1,61 @@
+module go.opentelemetry.io/collector/processor
+
+go 1.19
+
+require (
+	github.com/stretchr/testify v1.8.4
+	go.opentelemetry.io/collector v0.79.0
+	go.opentelemetry.io/collector/component v0.79.0
+	go.opentelemetry.io/collector/consumer v0.79.0
+	go.opentelemetry.io/collector/pdata v1.0.0-rcv0012
+	go.opentelemetry.io/otel v1.16.0
+	go.opentelemetry.io/otel/trace v1.16.0
+	go.uber.org/zap v1.24.0
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/knadh/koanf v1.5.0 // 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.opencensus.io v0.24.0 // indirect
+	go.opentelemetry.io/collector/confmap v0.79.0 // indirect
+	go.opentelemetry.io/collector/featuregate v1.0.0-rcv0012 // indirect
+	go.opentelemetry.io/otel/metric v1.16.0 // indirect
+	go.uber.org/atomic v1.10.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	golang.org/x/net v0.10.0 // indirect
+	golang.org/x/sys v0.8.0 // indirect
+	golang.org/x/text v0.9.0 // indirect
+	google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1 // indirect
+	google.golang.org/grpc v1.55.0 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
+
+replace go.opentelemetry.io/collector => ../
+
+replace go.opentelemetry.io/collector/component => ../component
+
+replace go.opentelemetry.io/collector/confmap => ../confmap
+
+replace go.opentelemetry.io/collector/consumer => ../consumer
+
+replace go.opentelemetry.io/collector/extension/zpagesextension => ../extension/zpagesextension
+
+replace go.opentelemetry.io/collector/featuregate => ../featuregate
+
+replace go.opentelemetry.io/collector/pdata => ../pdata
+
+replace go.opentelemetry.io/collector/receiver => ../receiver
+
+replace go.opentelemetry.io/collector/semconv => ../semconv
+
+replace go.opentelemetry.io/collector/exporter => ../exporter