[service] create service/hostcapabilities package

.chloggen/jackgopack4-create-service-hostcapabilities-module.yaml

@@ -0,0 +1,28 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: new_component
+
+# The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver)
+component: service/hostcapabilities
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: create `service/hostcapabilities` module
+
+# One or more tracking issues or pull requests related to the change
+issues: [12296, 12375]
+
+# (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: |
+  Removes getExporters interface in service/internal/graph.
+  Removes getModuleInfos interface in service/internal/graph.
+  Creates interface ExposeExporters in service/hostcapabilities to expose GetExporters function.
+  Creates interface ModuleInfo in service/hostcapabilities to expose GetModuleInfos function.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [api]

cmd/builder/internal/builder/main_test.go

@@ -105,6 +105,7 @@ var replaceModules = []string{
 	"/receiver/xreceiver",
 	"/semconv",
 	"/service",
+	"/service/hostcapabilities",
 }
 
 func newTestConfig(tb testing.TB) *Config {

cmd/otelcorecol/builder-config.yaml

@@ -106,3 +106,4 @@ replaces:
   - go.opentelemetry.io/collector/receiver/xreceiver => ../../receiver/xreceiver
   - go.opentelemetry.io/collector/semconv => ../../semconv
   - go.opentelemetry.io/collector/service => ../../service
+  - go.opentelemetry.io/collector/service/hostcapabilities => ../../service/hostcapabilities

cmd/otelcorecol/go.mod

@@ -124,6 +124,7 @@ require (
 	go.opentelemetry.io/collector/receiver/xreceiver v0.120.0 // indirect
 	go.opentelemetry.io/collector/semconv v0.120.0 // indirect
 	go.opentelemetry.io/collector/service v0.120.0 // indirect
+	go.opentelemetry.io/collector/service/hostcapabilities v0.120.0 // indirect
 	go.opentelemetry.io/contrib/bridges/otelzap v0.9.0 // indirect
 	go.opentelemetry.io/contrib/config v0.14.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.59.0 // indirect
@@ -299,3 +300,5 @@ replace go.opentelemetry.io/collector/receiver/xreceiver => ../../receiver/xrece
 replace go.opentelemetry.io/collector/semconv => ../../semconv
 
 replace go.opentelemetry.io/collector/service => ../../service
+
+replace go.opentelemetry.io/collector/service/hostcapabilities => ../../service/hostcapabilities

internal/e2e/go.mod

@@ -102,6 +102,7 @@ require (
 	go.opentelemetry.io/collector/processor/xprocessor v0.120.0 // indirect
 	go.opentelemetry.io/collector/receiver/xreceiver v0.120.0 // indirect
 	go.opentelemetry.io/collector/semconv v0.120.0 // indirect
+	go.opentelemetry.io/collector/service/hostcapabilities v0.120.0 // indirect
 	go.opentelemetry.io/contrib/bridges/otelzap v0.9.0 // indirect
 	go.opentelemetry.io/contrib/config v0.14.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.59.0 // indirect
@@ -253,3 +254,5 @@ replace go.opentelemetry.io/collector/otelcol => ../../otelcol
 replace go.opentelemetry.io/collector/confmap/provider/yamlprovider => ../../confmap/provider/yamlprovider
 
 replace go.opentelemetry.io/collector/confmap/provider/fileprovider => ../../confmap/provider/fileprovider
+
+replace go.opentelemetry.io/collector/service/hostcapabilities => ../../service/hostcapabilities

otelcol/go.mod

@@ -90,6 +90,7 @@ require (
 	go.opentelemetry.io/collector/processor/xprocessor v0.120.0 // indirect
 	go.opentelemetry.io/collector/receiver/xreceiver v0.120.0 // indirect
 	go.opentelemetry.io/collector/semconv v0.120.0 // indirect
+	go.opentelemetry.io/collector/service/hostcapabilities v0.120.0 // indirect
 	go.opentelemetry.io/contrib/bridges/otelzap v0.9.0 // indirect
 	go.opentelemetry.io/contrib/propagators/b3 v1.34.0 // indirect
 	go.opentelemetry.io/otel v1.34.0 // indirect
@@ -123,6 +124,8 @@ replace go.opentelemetry.io/collector => ../
 
 replace go.opentelemetry.io/collector/service => ../service
 
+replace go.opentelemetry.io/collector/service/hostcapabilities => ../service/hostcapabilities
+
 replace go.opentelemetry.io/collector/connector => ../connector
 
 replace go.opentelemetry.io/collector/connector/connectortest => ../connector/connectortest

otelcol/otelcoltest/go.mod

@@ -86,6 +86,7 @@ require (
 	go.opentelemetry.io/collector/receiver v0.120.0 // indirect
 	go.opentelemetry.io/collector/receiver/xreceiver v0.120.0 // indirect
 	go.opentelemetry.io/collector/semconv v0.120.0 // indirect
+	go.opentelemetry.io/collector/service/hostcapabilities v0.120.0 // indirect
 	go.opentelemetry.io/contrib/bridges/otelzap v0.9.0 // indirect
 	go.opentelemetry.io/contrib/config v0.14.0 // indirect
 	go.opentelemetry.io/contrib/propagators/b3 v1.34.0 // indirect
@@ -208,6 +209,8 @@ replace go.opentelemetry.io/collector/extension/zpagesextension => ../../extensi
 
 replace go.opentelemetry.io/collector/service => ../../service
 
+replace go.opentelemetry.io/collector/service/hostcapabilities => ../../service/hostcapabilities
+
 replace go.opentelemetry.io/collector/internal/fanoutconsumer => ../../internal/fanoutconsumer
 
 replace go.opentelemetry.io/collector/extension/extensiontest => ../../extension/extensiontest

service/go.mod

@@ -45,6 +45,7 @@ require (
 	go.opentelemetry.io/collector/receiver/receivertest v0.120.0
 	go.opentelemetry.io/collector/receiver/xreceiver v0.120.0
 	go.opentelemetry.io/collector/semconv v0.120.0
+	go.opentelemetry.io/collector/service/hostcapabilities v0.120.0
 	go.opentelemetry.io/contrib/bridges/otelzap v0.9.0
 	go.opentelemetry.io/contrib/config v0.14.0
 	go.opentelemetry.io/contrib/propagators/b3 v1.34.0
@@ -173,6 +174,8 @@ replace go.opentelemetry.io/collector/consumer => ../consumer
 
 replace go.opentelemetry.io/collector/semconv => ../semconv
 
+replace go.opentelemetry.io/collector/service/hostcapabilities => ./hostcapabilities
+
 replace go.opentelemetry.io/collector/receiver => ../receiver
 
 replace go.opentelemetry.io/collector/featuregate => ../featuregate

service/hostcapabilities/Makefile

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

service/hostcapabilities/go.mod

@@ -0,0 +1,81 @@
+module go.opentelemetry.io/collector/service/hostcapabilities
+
+go 1.23.0
+
+require (
+	go.opentelemetry.io/collector/component v0.120.0
+	go.opentelemetry.io/collector/pipeline v0.120.0
+	go.opentelemetry.io/collector/service v0.119.0
+)
+
+require (
+	github.com/gogo/protobuf v1.3.2 // indirect
+	go.opentelemetry.io/collector/pdata v1.26.0 // indirect
+	go.opentelemetry.io/otel v1.34.0 // indirect
+	go.opentelemetry.io/otel/metric v1.34.0 // indirect
+	go.opentelemetry.io/otel/trace v1.34.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	go.uber.org/zap v1.27.0 // indirect
+	golang.org/x/net v0.35.0 // indirect
+	golang.org/x/sys v0.30.0 // indirect
+	golang.org/x/text v0.22.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250115164207-1a7da9e5054f // indirect
+	google.golang.org/grpc v1.70.0 // indirect
+	google.golang.org/protobuf v1.36.5 // indirect
+)
+
+replace (
+	go.opentelemetry.io/collector => ../..
+	go.opentelemetry.io/collector/client => ../../client
+	go.opentelemetry.io/collector/component => ../../component
+	go.opentelemetry.io/collector/component/componentstatus => ../../component/componentstatus
+	go.opentelemetry.io/collector/component/componenttest => ../../component/componenttest
+	go.opentelemetry.io/collector/config/configauth => ../../config/configauth
+	go.opentelemetry.io/collector/config/configcompression => ../../config/configcompression
+	go.opentelemetry.io/collector/config/confighttp => ../../config/confighttp
+	go.opentelemetry.io/collector/config/configopaque => ../../config/configopaque
+	go.opentelemetry.io/collector/config/configretry => ../../config/configretry
+	go.opentelemetry.io/collector/config/configtelemetry => ../../config/configtelemetry
+	go.opentelemetry.io/collector/config/configtls => ../../config/configtls
+	go.opentelemetry.io/collector/confmap => ../../confmap
+	go.opentelemetry.io/collector/confmap/xconfmap => ../../confmap/xconfmap
+	go.opentelemetry.io/collector/connector => ../../connector
+	go.opentelemetry.io/collector/connector/connectortest => ../../connector/connectortest
+	go.opentelemetry.io/collector/connector/xconnector => ../../connector/xconnector
+	go.opentelemetry.io/collector/consumer => ../../consumer
+	go.opentelemetry.io/collector/consumer/consumererror => ../../consumer/consumererror
+	go.opentelemetry.io/collector/consumer/consumertest => ../../consumer/consumertest
+	go.opentelemetry.io/collector/consumer/xconsumer => ../../consumer/xconsumer
+	go.opentelemetry.io/collector/exporter => ../../exporter
+	go.opentelemetry.io/collector/exporter/exportertest => ../../exporter/exportertest
+	go.opentelemetry.io/collector/exporter/xexporter => ../../exporter/xexporter
+	go.opentelemetry.io/collector/extension => ../../extension
+	go.opentelemetry.io/collector/extension/auth => ../../extension/auth
+	go.opentelemetry.io/collector/extension/auth/authtest => ../../extension/auth/authtest
+	go.opentelemetry.io/collector/extension/extensioncapabilities => ../../extension/extensioncapabilities
+	go.opentelemetry.io/collector/extension/extensiontest => ../../extension/extensiontest
+	go.opentelemetry.io/collector/extension/xextension => ../../extension/xextension
+	go.opentelemetry.io/collector/extension/zpagesextension => ../../extension/zpagesextension
+	go.opentelemetry.io/collector/featuregate => ../../featuregate
+	go.opentelemetry.io/collector/internal/fanoutconsumer => ../../internal/fanoutconsumer
+	go.opentelemetry.io/collector/internal/telemetry => ../../internal/telemetry
+	go.opentelemetry.io/collector/pdata => ../../pdata
+	go.opentelemetry.io/collector/pdata/pprofile => ../../pdata/pprofile
+	go.opentelemetry.io/collector/pdata/testdata => ../../pdata/testdata
+	go.opentelemetry.io/collector/pipeline => ../../pipeline
+	go.opentelemetry.io/collector/pipeline/xpipeline => ../../pipeline/xpipeline
+	go.opentelemetry.io/collector/processor => ../../processor
+	go.opentelemetry.io/collector/processor/processortest => ../../processor/processortest
+	go.opentelemetry.io/collector/processor/xprocessor => ../../processor/xprocessor
+	go.opentelemetry.io/collector/receiver => ../../receiver
+	go.opentelemetry.io/collector/receiver/receivertest => ../../receiver/receivertest
+	go.opentelemetry.io/collector/receiver/xreceiver => ../../receiver/xreceiver
+	go.opentelemetry.io/collector/semconv => ../../semconv
+	go.opentelemetry.io/collector/service => ..
+)
+
+replace go.opentelemetry.io/collector/otelcol => ../../otelcol
+
+replace go.opentelemetry.io/collector/confmap/provider/fileprovider => ../../confmap/provider/fileprovider
+
+replace go.opentelemetry.io/collector/confmap/provider/yamlprovider => ../../confmap/provider/yamlprovider

service/hostcapabilities/interfaces.go

@@ -0,0 +1,28 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+// Package hostcapabilities provides interfaces that can be implemented by the host
+// to provide additional capabilities.
+package hostcapabilities // import "go.opentelemetry.io/collector/service/hostcapabilities"
+
+import (
+	"go.opentelemetry.io/collector/component"
+	"go.opentelemetry.io/collector/pipeline"
+	"go.opentelemetry.io/collector/service/internal/moduleinfo"
+)
+
+// ModuleInfo is an interface that may be implemented by the host to provide
+// information about modules that were used to build the host.
+type ModuleInfo interface {
+	// GetModuleInfos returns the module information for the host
+	// i.e. Receivers, Processors, Exporters, Extensions, and Connectors
+	GetModuleInfos() moduleinfo.ModuleInfos
+}
+
+// ExposeExporters is an interface that may be implemented by the host to provide
+// access to the exporters that were used to build the host.
+// Deprecated: [v0.121.0] Will be removed in Service 1.0.
+// See: https://github.com/open-telemetry/opentelemetry-collector/issues/7370 for service 1.0
+type ExposeExporters interface {
+	GetExporters() map[pipeline.Signal]map[component.ID]component.Component
+}