[extensionauth,configauth] Remove deprecated symbols (#12672)

<!--Ex. Fixing a bug - Describe the bug and how this fixes the issue.
Ex. Adding a feature - Explain what this achieves.-->
#### Description

Removes deprecated symbols from `extensionauth` and `configauth` modules

<!-- Issue number if applicable -->
#### Link to tracking issue
Follows #12574

Author: mx-psi

.chloggen/mx-psi_remove-deprecated-stuff.yaml

@@ -0,0 +1,31 @@
+# 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: extensionauth, configauth
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Remove deprecated types and functions from `extensionauth` and `configauth` packages.
+
+# One or more tracking issues or pull requests related to the change
+issues: [12672]
+
+# (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: |
+  This includes:
+  - `extensionauth.NewClient`,
+  - `extensionauth.ClientOption` and all its implementations,
+  - `extensionauth.NewServer`,
+  - `extensionauth.ServerOption` and all its implementations and
+  - `configauth.Authenticator.GetClientAuthenticator`.
+
+# 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]

config/configauth/configauth.go

@@ -17,7 +17,6 @@ import (
 
 var (
 	errAuthenticatorNotFound = errors.New("authenticator not found")
-	errNotClient             = errors.New("requested authenticator is not a client authenticator")
 	errNotHTTPClient         = errors.New("requested authenticator is not a HTTP client authenticator")
 	errNotGRPCClient         = errors.New("requested authenticator is not a gRPC client authenticator")
 	errNotServer             = errors.New("requested authenticator is not a server authenticator")
@@ -42,19 +41,6 @@ func (a Authentication) GetServerAuthenticator(_ context.Context, extensions map
 	return nil, fmt.Errorf("failed to resolve authenticator %q: %w", a.AuthenticatorID, errAuthenticatorNotFound)
 }
 
-// GetClientAuthenticator attempts to select the appropriate extensionauth.Client from the list of extensions,
-// based on the component id of the extension. If an authenticator is not found, an error is returned.
-// Deprecated: [v0.122.0] Use GetHTTPClientAuthenticator or GetGRPCClientAuthenticator instead.
-func (a Authentication) GetClientAuthenticator(_ context.Context, extensions map[component.ID]component.Component) (extensionauth.Client, error) {
-	if ext, found := extensions[a.AuthenticatorID]; found {
-		if client, ok := ext.(extensionauth.Client); ok {
-			return client, nil
-		}
-		return nil, errNotClient
-	}
-	return nil, fmt.Errorf("failed to resolve authenticator %q: %w", a.AuthenticatorID, errAuthenticatorNotFound)
-}
-
 // GetHTTPClientAuthenticator attempts to select the appropriate extensionauth.Client from the list of extensions,
 // based on the component id of the extension. If an authenticator is not found, an error is returned.
 // This should be only used by HTTP clients.

config/configauth/configauth_test.go

@@ -68,7 +68,7 @@ func TestGetServerFails(t *testing.T) {
 	assert.Nil(t, authenticator)
 }
 
-func TestGetClient(t *testing.T) {
+func TestGetHTTPClient(t *testing.T) {
 	testCases := []struct {
 		name          string
 		authenticator extension.Extension
@@ -109,7 +109,7 @@ func TestGetClient(t *testing.T) {
 	}
 }
 
-func TestGetClientFails(t *testing.T) {
+func TestGetGRPCClientFails(t *testing.T) {
 	cfg := &Authentication{
 		AuthenticatorID: component.MustNewID("does_not_exist"),
 	}

config/configauth/go.mod

@@ -34,8 +34,6 @@ replace go.opentelemetry.io/collector/pdata => ../../pdata
 
 replace go.opentelemetry.io/collector/component => ../../component
 
-replace go.opentelemetry.io/collector/component/componenttest => ../../component/componenttest
-
 replace go.opentelemetry.io/collector/extension => ../../extension
 
 replace go.opentelemetry.io/collector/extension/extensionauth => ../../extension/extensionauth

config/configauth/go.sum

@@ -46,7 +46,7 @@ type mockAuthServer struct {
 	extensionauth.ServerAuthenticateFunc
 }
 
-func newMockAuthServer(auth func(ctx context.Context, sources map[string][]string) (context.Context, error)) extensionauth.Server {
+func newMockAuthServer(auth func(ctx context.Context, sources map[string][]string) (context.Context, error)) extension.Extension {
 	return &mockAuthServer{ServerAuthenticateFunc: auth}
 }
 

config/confighttp/confighttp_test.go

@@ -31,7 +31,6 @@ require (
 	go.opentelemetry.io/collector/config/configcompression v1.28.1 // indirect
 	go.opentelemetry.io/collector/config/configopaque v1.28.1 // indirect
 	go.opentelemetry.io/collector/config/configtls v1.28.1 // indirect
-	go.opentelemetry.io/collector/extension v1.28.1 // indirect
 	go.opentelemetry.io/collector/extension/extensionauth v0.122.1 // indirect
 	go.opentelemetry.io/collector/pdata v1.28.1 // indirect
 	go.opentelemetry.io/otel v1.35.0 // indirect

config/confighttp/xconfighttp/go.mod

@@ -7,21 +7,8 @@ import (
 	"net/http"
 
 	"google.golang.org/grpc/credentials"
-
-	"go.opentelemetry.io/collector/component"
-	"go.opentelemetry.io/collector/extension"
 )
 
-// Client is an optional Extension interface that can be used as an HTTP and gRPC authenticator for the configauth.Authentication option.
-// Authenticators are then included as part of OpenTelemetry Collector builds and can be referenced by their
-// names from the Authentication configuration.
-// Deprecated: [v0.122.0] Assert the use of HTTPClient and GRPCClient interfaces instead.
-type Client interface {
-	extension.Extension
-	HTTPClient
-	GRPCClient
-}
-
 // HTTPClient is an optional Extension interface that can be used as an HTTP authenticator for the configauth.Authentication option.
 // Authenticators are then included as part of OpenTelemetry Collector builds and can be referenced by their
 // names from the Authentication configuration.
@@ -38,18 +25,6 @@ type GRPCClient interface {
 	PerRPCCredentials() (credentials.PerRPCCredentials, error)
 }
 
-// ClientOption represents the possible options for NewClient.
-// Deprecated: [v0.122.0] This type is deprecated and will be removed in the next release.
-type ClientOption interface {
-	apply(*defaultClient)
-}
-
-type clientOptionFunc func(*defaultClient)
-
-func (of clientOptionFunc) apply(e *defaultClient) {
-	of(e)
-}
-
 var _ HTTPClient = (*ClientRoundTripperFunc)(nil)
 
 // ClientRoundTripperFunc specifies the function that returns a RoundTripper that can be used to authenticate HTTP requests.
@@ -73,77 +48,3 @@ func (f ClientPerRPCCredentialsFunc) PerRPCCredentials() (credentials.PerRPCCred
 	}
 	return f()
 }
-
-var _ Client = (*defaultClient)(nil)
-
-type defaultClient struct {
-	component.StartFunc
-	component.ShutdownFunc
-	clientRoundTripperFunc      ClientRoundTripperFunc
-	clientPerRPCCredentialsFunc ClientPerRPCCredentialsFunc
-}
-
-// PerRPCCredentials implements Client.
-func (d *defaultClient) PerRPCCredentials() (credentials.PerRPCCredentials, error) {
-	if d.clientPerRPCCredentialsFunc == nil {
-		return nil, nil
-	}
-	return d.clientPerRPCCredentialsFunc()
-}
-
-// RoundTripper implements Client.
-func (d *defaultClient) RoundTripper(base http.RoundTripper) (http.RoundTripper, error) {
-	if d.clientRoundTripperFunc == nil {
-		return base, nil
-	}
-	return d.clientRoundTripperFunc(base)
-}
-
-// WithClientStart overrides the default `Start` function for a component.Component.
-// The default always returns nil.
-// Deprecated: [v0.122.0] This type is deprecated and will be removed in the next release.
-func WithClientStart(startFunc component.StartFunc) ClientOption {
-	return clientOptionFunc(func(o *defaultClient) {
-		o.StartFunc = startFunc
-	})
-}
-
-// WithClientShutdown overrides the default `Shutdown` function for a component.Component.
-// The default always returns nil.
-// Deprecated: [v0.122.0] This type is deprecated and will be removed in the next release.
-func WithClientShutdown(shutdownFunc component.ShutdownFunc) ClientOption {
-	return clientOptionFunc(func(o *defaultClient) {
-		o.ShutdownFunc = shutdownFunc
-	})
-}
-
-// WithClientRoundTripper provides a `RoundTripper` function for this client authenticator.
-// The default round tripper is no-op.
-// Deprecated: [v0.122.0] This type is deprecated and will be removed in the next release.
-func WithClientRoundTripper(roundTripperFunc ClientRoundTripperFunc) ClientOption {
-	return clientOptionFunc(func(o *defaultClient) {
-		o.clientRoundTripperFunc = roundTripperFunc
-	})
-}
-
-// WithClientPerRPCCredentials provides a `PerRPCCredentials` function for this client authenticator.
-// There's no default.
-// Deprecated: [v0.122.0] This type is deprecated and will be removed in the next release.
-func WithClientPerRPCCredentials(perRPCCredentialsFunc ClientPerRPCCredentialsFunc) ClientOption {
-	return clientOptionFunc(func(o *defaultClient) {
-		o.clientPerRPCCredentialsFunc = perRPCCredentialsFunc
-	})
-}
-
-// NewClient returns a Client configured with the provided options.
-// Deprecated: [v0.122.0] This type is deprecated and will be removed in the next release.
-// Manually implement the [HTTPClient] and/or [GRPCClient] interfaces instead.
-func NewClient(options ...ClientOption) (Client, error) {
-	bc := &defaultClient{}
-
-	for _, op := range options {
-		op.apply(bc)
-	}
-
-	return bc, nil
-}

extension/extensionauth/client.go

@@ -11,87 +11,19 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"google.golang.org/grpc/credentials"
-
-	"go.opentelemetry.io/collector/component"
-	"go.opentelemetry.io/collector/component/componenttest"
 )
 
-func TestClientDefaultValues(t *testing.T) {
-	// prepare
-	e, err := NewClient()
-	require.NoError(t, err)
-
-	// test
-	t.Run("start", func(t *testing.T) {
-		err := e.Start(context.Background(), componenttest.NewNopHost())
-		assert.NoError(t, err)
-	})
-
-	t.Run("roundtripper", func(t *testing.T) {
-		ctx, err := e.RoundTripper(http.DefaultTransport)
-		assert.NotNil(t, ctx)
-		assert.NoError(t, err)
-	})
-
-	t.Run("per-rpc-credentials", func(t *testing.T) {
-		p, err := e.PerRPCCredentials()
-		assert.Nil(t, p)
-		assert.NoError(t, err)
-	})
-
-	t.Run("shutdown", func(t *testing.T) {
-		err := e.Shutdown(context.Background())
-		assert.NoError(t, err)
-	})
-}
-
-func TestWithClientStart(t *testing.T) {
-	called := false
-	e, err := NewClient(WithClientStart(func(context.Context, component.Host) error {
-		called = true
-		return nil
-	}))
-	require.NoError(t, err)
-
-	// test
-	err = e.Start(context.Background(), componenttest.NewNopHost())
-
-	// verify
-	assert.True(t, called)
-	assert.NoError(t, err)
-}
-
-func TestWithClientShutdown(t *testing.T) {
-	called := false
-	e, err := NewClient(WithClientShutdown(func(context.Context) error {
-		called = true
-		return nil
-	}))
-	require.NoError(t, err)
-
-	// test
-	err = e.Shutdown(context.Background())
-
-	// verify
-	assert.True(t, called)
-	assert.NoError(t, err)
-}
-
-func TestWithClientRoundTripper(t *testing.T) {
-	called := false
-	e, err := NewClient(WithClientRoundTripper(func(base http.RoundTripper) (http.RoundTripper, error) {
+func TestRoundTripperFunc(t *testing.T) {
+	var called bool
+	var httpClient HTTPClient = ClientRoundTripperFunc(func(base http.RoundTripper) (http.RoundTripper, error) {
 		called = true
 		return base, nil
-	}))
-	require.NoError(t, err)
-
-	// test
-	rt, err := e.RoundTripper(http.DefaultTransport)
+	})
 
-	// verify
+	rt, err := httpClient.RoundTripper(http.DefaultTransport)
+	require.NoError(t, err)
 	assert.True(t, called)
-	assert.NotNil(t, rt)
-	assert.NoError(t, err)
+	assert.Equal(t, http.DefaultTransport, rt)
 }
 
 type customPerRPCCredentials struct{}
@@ -106,19 +38,15 @@ func (c *customPerRPCCredentials) RequireTransportSecurity() bool {
 	return true
 }
 
-func TestWithPerRPCCredentials(t *testing.T) {
-	called := false
-	e, err := NewClient(WithClientPerRPCCredentials(func() (credentials.PerRPCCredentials, error) {
+func TestWithPerRPCCredentialsFunc(t *testing.T) {
+	var called bool
+	var grpcClient GRPCClient = ClientPerRPCCredentialsFunc(func() (credentials.PerRPCCredentials, error) {
 		called = true
 		return &customPerRPCCredentials{}, nil
-	}))
-	require.NoError(t, err)
-
-	// test
-	p, err := e.PerRPCCredentials()
+	})
 
-	// verify
+	creds, err := grpcClient.PerRPCCredentials()
+	require.NoError(t, err)
 	assert.True(t, called)
-	assert.NotNil(t, p)
-	assert.NoError(t, err)
+	assert.NotNil(t, creds)
 }

extension/extensionauth/client_test.go

@@ -36,5 +36,3 @@ replace go.opentelemetry.io/collector/component => ../../../component
 replace go.opentelemetry.io/collector/pdata => ../../../pdata
 
 replace go.opentelemetry.io/collector/extension => ../..
-
-replace go.opentelemetry.io/collector/component/componenttest => ../../../component/componenttest