split extension into separate module

Fixes open-telemetry#7306

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

.chloggen/codeboten_split-extension.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: extension
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: split extension module into its own module
+
+# One or more tracking issues or pull requests related to the change
+issues: [7306]
+
+# (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

@@ -62,6 +62,11 @@ updates:
     schedule:
       interval: "weekly"
       day: "wednesday"
+  - package-ecosystem: "gomod"
+    directory: "/extension"
+    schedule:
+      interval: "weekly"
+      day: "wednesday"
   - package-ecosystem: "gomod"
     directory: "/extension/ballastextension"
     schedule:

Makefile

@@ -280,6 +280,7 @@ check-contrib:
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -replace go.opentelemetry.io/collector/exporter/loggingexporter=$(CURDIR)/exporter/loggingexporter"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -replace go.opentelemetry.io/collector/exporter/otlpexporter=$(CURDIR)/exporter/otlpexporter"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -replace go.opentelemetry.io/collector/exporter/otlphttpexporter=$(CURDIR)/exporter/otlphttpexporter"
+	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -replace go.opentelemetry.io/collector/extension=$(CURDIR)/extension"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -replace go.opentelemetry.io/collector/extension/ballastextension=$(CURDIR)/extension/ballastextension"
 	@$(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=$(CURDIR)/featuregate"
@@ -308,6 +309,7 @@ restore-contrib:
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -dropreplace go.opentelemetry.io/collector/exporter/loggingexporter"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -dropreplace go.opentelemetry.io/collector/exporter/otlpexporter"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -dropreplace go.opentelemetry.io/collector/exporter/otlphttpexporter"
+	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -dropreplace go.opentelemetry.io/collector/extension"
 	@$(MAKE) -C $(CONTRIB_PATH) for-all CMD="$(GOCMD) mod edit -dropreplace go.opentelemetry.io/collector/extension/ballastextension"
 	@$(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"

cmd/builder/internal/builder/main_test.go

@@ -49,6 +49,7 @@ func TestGenerateAndCompile(t *testing.T) {
 		fmt.Sprintf("go.opentelemetry.io/collector/exporter/loggingexporter => %s/exporter/loggingexporter", workspaceDir),
 		fmt.Sprintf("go.opentelemetry.io/collector/exporter/otlpexporter => %s/exporter/otlpexporter", workspaceDir),
 		fmt.Sprintf("go.opentelemetry.io/collector/exporter/otlphttpexporter => %s/exporter/otlphttpexporter", workspaceDir),
+		fmt.Sprintf("go.opentelemetry.io/collector/extension => %s/extension", workspaceDir),
 		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),

cmd/builder/test/core.builder.yaml

@@ -24,6 +24,7 @@ replaces:
   - go.opentelemetry.io/collector/consumer => ${WORKSPACE_DIR}/consumer
   - go.opentelemetry.io/collector/exporter => ${WORKSPACE_DIR}/exporter
   - go.opentelemetry.io/collector/exporter/loggingexporter => ${WORKSPACE_DIR}/exporter/loggingexporter
+  - go.opentelemetry.io/collector/extension => ${WORKSPACE_DIR}/extension
   - go.opentelemetry.io/collector/extension/zpagesextension => ${WORKSPACE_DIR}/extension/zpagesextension
   - go.opentelemetry.io/collector/featuregate => ${WORKSPACE_DIR}/featuregate
   - go.opentelemetry.io/collector/receiver => ${WORKSPACE_DIR}/receiver

cmd/otelcorecol/builder-config.yaml

@@ -30,6 +30,7 @@ replaces:
   - go.opentelemetry.io/collector/exporter/loggingexporter => ../../exporter/loggingexporter
   - go.opentelemetry.io/collector/exporter/otlpexporter => ../../exporter/otlpexporter
   - go.opentelemetry.io/collector/exporter/otlphttpexporter => ../../exporter/otlphttpexporter
+  - go.opentelemetry.io/collector/extension => ../../extension
   - go.opentelemetry.io/collector/extension/ballastextension => ../../extension/ballastextension
   - go.opentelemetry.io/collector/extension/zpagesextension => ../../extension/zpagesextension
   - go.opentelemetry.io/collector/featuregate => ../../featuregate

cmd/otelcorecol/go.mod

@@ -13,6 +13,7 @@ require (
 	go.opentelemetry.io/collector/exporter/loggingexporter v0.79.0
 	go.opentelemetry.io/collector/exporter/otlpexporter v0.79.0
 	go.opentelemetry.io/collector/exporter/otlphttpexporter v0.79.0
+	go.opentelemetry.io/collector/extension v0.0.0-00010101000000-000000000000
 	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
@@ -116,6 +117,8 @@ replace go.opentelemetry.io/collector/exporter/otlpexporter => ../../exporter/ot
 
 replace go.opentelemetry.io/collector/exporter/otlphttpexporter => ../../exporter/otlphttpexporter
 
+replace go.opentelemetry.io/collector/extension => ../../extension
+
 replace go.opentelemetry.io/collector/extension/ballastextension => ../../extension/ballastextension
 
 replace go.opentelemetry.io/collector/extension/zpagesextension => ../../extension/zpagesextension

component/go.mod

@@ -42,6 +42,8 @@ replace go.opentelemetry.io/collector/consumer => ../consumer
 
 replace go.opentelemetry.io/collector/exporter => ../exporter
 
+replace go.opentelemetry.io/collector/extension => ../extension
+
 replace go.opentelemetry.io/collector/featuregate => ../featuregate
 
 replace go.opentelemetry.io/collector/pdata => ../pdata

connector/forwardconnector/go.mod

@@ -45,6 +45,8 @@ replace go.opentelemetry.io/collector/component => ../../component
 
 replace go.opentelemetry.io/collector/exporter => ../../exporter
 
+replace go.opentelemetry.io/collector/extension => ../../extension
+
 replace go.opentelemetry.io/collector/pdata => ../../pdata
 
 replace go.opentelemetry.io/collector/processor => ../../processor

consumer/go.mod

@@ -29,8 +29,18 @@ require (
 
 replace go.opentelemetry.io/collector => ../
 
+replace go.opentelemetry.io/collector/component => ../component
+
+replace go.opentelemetry.io/collector/confmap => ../confmap
+
 replace go.opentelemetry.io/collector/exporter => ../exporter
 
+replace go.opentelemetry.io/collector/extension => ../extension
+
+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/processor => ../processor
@@ -39,14 +49,6 @@ replace go.opentelemetry.io/collector/receiver => ../receiver
 
 replace go.opentelemetry.io/collector/semconv => ../semconv
 
-replace go.opentelemetry.io/collector/extension/zpagesextension => ../extension/zpagesextension
-
-replace go.opentelemetry.io/collector/component => ../component
-
-replace go.opentelemetry.io/collector/featuregate => ../featuregate
-
-replace go.opentelemetry.io/collector/confmap => ../confmap
-
 retract (
 	v0.76.0 // Depends on retracted pdata v1.0.0-rc10 module, use v0.76.1
 	v0.69.0 // Release failed, use v0.69.1

exporter/go.mod

@@ -9,6 +9,7 @@ require (
 	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/extension v0.0.0-00010101000000-000000000000
 	go.opentelemetry.io/collector/pdata v1.0.0-rcv0012
 	go.opentelemetry.io/otel v1.16.0
 	go.opentelemetry.io/otel/sdk v1.16.0
@@ -69,6 +70,8 @@ replace go.opentelemetry.io/collector/confmap => ../confmap
 
 replace go.opentelemetry.io/collector/consumer => ../consumer
 
+replace go.opentelemetry.io/collector/extension => ../extension
+
 replace go.opentelemetry.io/collector/extension/zpagesextension => ../extension/zpagesextension
 
 replace go.opentelemetry.io/collector/featuregate => ../featuregate

exporter/loggingexporter/go.mod

@@ -29,6 +29,7 @@ require (
 	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/extension v0.0.0-00010101000000-000000000000 // 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
@@ -55,6 +56,8 @@ replace go.opentelemetry.io/collector/consumer => ../../consumer
 
 replace go.opentelemetry.io/collector/exporter => ../
 
+replace go.opentelemetry.io/collector/extension => ../../extension
+
 replace go.opentelemetry.io/collector/featuregate => ../../featuregate
 
 replace go.opentelemetry.io/collector/pdata => ../../pdata

exporter/otlpexporter/go.mod

@@ -35,6 +35,7 @@ require (
 	github.com/mostynb/go-grpc-compression v1.1.18 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	go.opencensus.io v0.24.0 // indirect
+	go.opentelemetry.io/collector/extension v0.0.0-00010101000000-000000000000 // 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
@@ -59,6 +60,8 @@ replace go.opentelemetry.io/collector/confmap => ../../confmap
 
 replace go.opentelemetry.io/collector/exporter => ../
 
+replace go.opentelemetry.io/collector/extension => ../../extension
+
 replace go.opentelemetry.io/collector/featuregate => ../../featuregate
 
 replace go.opentelemetry.io/collector/pdata => ../../pdata

exporter/otlphttpexporter/go.mod

@@ -40,6 +40,7 @@ require (
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rs/cors v1.9.0 // indirect
 	go.opencensus.io v0.24.0 // indirect
+	go.opentelemetry.io/collector/extension v0.0.0-00010101000000-000000000000 // 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
@@ -63,6 +64,8 @@ replace go.opentelemetry.io/collector/confmap => ../../confmap
 
 replace go.opentelemetry.io/collector/exporter => ../
 
+replace go.opentelemetry.io/collector/extension => ../../extension
+
 replace go.opentelemetry.io/collector/featuregate => ../../featuregate
 
 replace go.opentelemetry.io/collector/pdata => ../../pdata

extension/Makefile

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

extension/ballastextension/go.mod

@@ -7,6 +7,7 @@ require (
 	go.opentelemetry.io/collector v0.79.0
 	go.opentelemetry.io/collector/component v0.79.0
 	go.opentelemetry.io/collector/confmap v0.79.0
+	go.opentelemetry.io/collector/extension v0.0.0-00010101000000-000000000000
 	go.uber.org/zap v1.24.0
 )
 
@@ -50,12 +51,12 @@ replace go.opentelemetry.io/collector/confmap => ../../confmap
 
 replace go.opentelemetry.io/collector/exporter => ../../exporter
 
+replace go.opentelemetry.io/collector/extension => ../
+
 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
@@ -68,3 +69,5 @@ retract (
 	v0.76.0 // Depends on retracted pdata v1.0.0-rc10 module, use v0.76.1
 	v0.69.0 // Release failed, use v0.69.1
 )
+
+replace go.opentelemetry.io/collector/processor => ../../processor

extension/go.mod

@@ -0,0 +1,58 @@
+module go.opentelemetry.io/collector/extension
+
+go 1.19
+
+require (
+	github.com/stretchr/testify v1.8.4
+	go.opentelemetry.io/collector/component v0.79.0
+	google.golang.org/grpc v1.55.0
+)
+
+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/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/pmezard/go-difflib v1.0.0 // indirect
+	go.opentelemetry.io/collector v0.79.0 // indirect
+	go.opentelemetry.io/collector/confmap v0.79.0 // indirect
+	go.opentelemetry.io/collector/featuregate v1.0.0-rcv0012 // indirect
+	go.opentelemetry.io/collector/pdata v1.0.0-rcv0012 // indirect
+	go.opentelemetry.io/otel v1.16.0 // indirect
+	go.opentelemetry.io/otel/metric v1.16.0 // indirect
+	go.opentelemetry.io/otel/trace v1.16.0 // indirect
+	go.uber.org/atomic v1.10.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	go.uber.org/zap v1.24.0 // 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/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/processor => ../processor
+
+replace go.opentelemetry.io/collector/receiver => ../receiver
+
+replace go.opentelemetry.io/collector/semconv => ../semconv
+
+replace go.opentelemetry.io/collector/exporter => ../exporter