Add support for providers in components command

.chloggen/components_cmd_add_providers.yaml

@@ -0,0 +1,25 @@
+# Use this changelog template to create an entry for release notes.
+
+# 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: otelcol
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Adds support for listing config providers in components command's output
+
+# One or more tracking issues or pull requests related to the change
+issues: [11570]
+
+# (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:
+
+# 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: [user]

cmd/builder/internal/builder/templates/main.go.tmpl

@@ -45,7 +45,11 @@ func main() {
 				DefaultScheme: "{{ .ConfResolver.DefaultURIScheme }}",
 				{{- end }}
 			},
-		},
+		}, ProviderModules: map[string]string{
+			{{- range .ConfmapProviders}}
+			{{.Name}}.NewFactory().Create(confmap.ProviderSettings{}).Scheme(): "{{.GoMod}}",
+			{{- end}}
+           },
 	}
 
 	if err := run(set); err != nil {

otelcol/collector.go

@@ -69,6 +69,9 @@ type CollectorSettings struct {
 	// confmap.Providers watch for configuration changes.
 	ConfigProviderSettings ConfigProviderSettings
 
+	// ProviderModules maps provider schemes to their respective go modules.
+	ProviderModules map[string]string
+
 	// LoggingOptions provides a way to change behavior of zap logging.
 	LoggingOptions []zap.Option
 

otelcol/command_components.go

@@ -24,13 +24,19 @@ type componentWithStability struct {
 	Stability map[string]string
 }
 
+type componentWithoutStability struct {
+	Scheme string
+	Module string
+}
+
 type componentsOutput struct {
 	BuildInfo  component.BuildInfo
 	Receivers  []componentWithStability
 	Processors []componentWithStability
 	Exporters  []componentWithStability
 	Connectors []componentWithStability
 	Extensions []componentWithStability
+	Providers  []componentWithoutStability
 }
 
 // newComponentsCommand constructs a new components command using the given CollectorSettings.
@@ -109,6 +115,14 @@ func newComponentsCommand(set CollectorSettings) *cobra.Command {
 				})
 			}
 			components.BuildInfo = set.BuildInfo
+
+			for providerScheme, providerModuleModule := range set.ProviderModules {
+				components.Providers = append(components.Providers, componentWithoutStability{
+					Scheme: providerScheme,
+					Module: providerModuleModule,
+				})
+			}
+
 			yamlData, err := yaml.Marshal(components)
 			if err != nil {
 				return err

otelcol/command_components_test.go

@@ -21,6 +21,9 @@ func TestNewBuildSubCommand(t *testing.T) {
 		BuildInfo:              component.NewDefaultBuildInfo(),
 		Factories:              nopFactories,
 		ConfigProviderSettings: newDefaultConfigProviderSettings(t, []string{filepath.Join("testdata", "otelcol-nop.yaml")}),
+		ProviderModules: map[string]string{
+			"nop": "go.opentelemetry.io/collector/confmap/provider/testprovider v1.2.3",
+		},
 	}
 	cmd := NewCommand(set)
 	cmd.SetArgs([]string{"components"})

otelcol/testdata/components-output.yaml

@@ -41,3 +41,6 @@ extensions:
       module: go.opentelemetry.io/collector/extension/extensiontest v1.2.3
       stability:
         extension: Stable
+providers:
+    - scheme: nop
+      module: go.opentelemetry.io/collector/confmap/provider/testprovider v1.2.3