[component] Remove host.ReportFatalError

.chloggen/remove_ReportFatalError.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: breaking
+
+# 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: Remove `host.ReportFatalError`
+
+# One or more tracking issues or pull requests related to the change
+issues: [6344]
+
+# (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: [api]

component/componenttest/nop_host.go

@@ -15,8 +15,6 @@ func NewNopHost() component.Host {
 	return &nopHost{}
 }
 
-func (nh *nopHost) ReportFatalError(_ error) {}
-
 func (nh *nopHost) GetFactory(_ component.Kind, _ component.Type) component.Factory {
 	return nil
 }

component/componenttest/nop_host_test.go

@@ -4,7 +4,6 @@
 package componenttest
 
 import (
-	"errors"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -18,7 +17,6 @@ func TestNewNopHost(t *testing.T) {
 	require.NotNil(t, nh)
 	require.IsType(t, &nopHost{}, nh)
 
-	nh.ReportFatalError(errors.New("TestError"))
 	assert.Nil(t, nh.GetExporters()) // nolint: staticcheck
 	assert.Nil(t, nh.GetExtensions())
 	assert.Nil(t, nh.GetFactory(component.KindReceiver, component.MustNewType("test")))

component/host.go

@@ -6,16 +6,6 @@ package component // import "go.opentelemetry.io/collector/component"
 // Host represents the entity that is hosting a Component. It is used to allow communication
 // between the Component and its host (normally the service.Collector is the host).
 type Host interface {
-	// ReportFatalError is used to report to the host that the component
-	// encountered a fatal error (i.e.: an error that the instance can't recover
-	// from) after its start function had already returned.
-	//
-	// ReportFatalError should be called by the component anytime after Component.Start() ends and
-	// before Component.Shutdown() begins.
-	// Deprecated: [0.87.0] Use TelemetrySettings.ReportComponentStatus instead (with an event
-	// component.StatusFatalError)
-	ReportFatalError(err error)
-
 	// GetFactory of the specified kind. Returns the factory for a component type.
 	// This allows components to create other components. For example:
 	//   func (r MyReceiver) Start(host component.Host) error {

service/host.go

@@ -30,13 +30,6 @@ type serviceHost struct {
 	serviceExtensions *extensions.Extensions
 }
 
-// ReportFatalError is used to report to the host that the receiver encountered
-// a fatal error (i.e.: an error that the instance can't recover from) after
-// its start function has already returned.
-// Deprecated: [0.87.0] Replaced by servicetelemetry.Settings.ReportComponentStatus
-func (host *serviceHost) ReportFatalError(err error) {
-	host.asyncErrorChannel <- err
-}
 func (host *serviceHost) GetFactory(kind component.Kind, componentType component.Type) component.Factory {
 	switch kind {
 	case component.KindReceiver: