internal: Annotate all components with groups

This commit ensures that the compiler has to check every component
against the groups they implement by explicitly annotating the
appropriate interfaces.

internal/dis/component.go

@@ -13,6 +13,12 @@ import (
 func (dis *Distillery) init() {
 	dis.poolInit.Do(func() {
 		dis.pool.Init = component.Init
+		lazy.RegisterPoolGroup[component.Backupable](&dis.pool)
+		lazy.RegisterPoolGroup[component.Snapshotable](&dis.pool)
+		lazy.RegisterPoolGroup[component.DistilleryFetcher](&dis.pool)
+		lazy.RegisterPoolGroup[component.Installable](&dis.pool)
+		lazy.RegisterPoolGroup[component.Provisionable](&dis.pool)
+		lazy.RegisterPoolGroup[component.Servable](&dis.pool)
 	})
 }
 

internal/dis/component/control/control.go

@@ -16,6 +16,10 @@ type Control struct {
 	Servables []component.Servable
 }
 
+var (
+	_ component.Installable = (*Control)(nil)
+)
+
 func (control Control) Path() string {
 	return filepath.Join(control.Still.Config.DeployRoot, "core", "dis")
 }

internal/dis/component/control/home/home.go

@@ -24,6 +24,10 @@ type Home struct {
 	homeBytes     lazy.Lazy[[]byte]
 }
 
+var (
+	_ component.Servable = (*Home)(nil)
+)
+
 func (*Home) Routes() []string { return []string{"/"} }
 
 func (home *Home) Handler(ctx context.Context, route string, io stream.IOStream) (http.Handler, error) {

internal/dis/component/control/info/info.go

@@ -26,6 +26,11 @@ type Info struct {
 	SnapshotsLog *logger.Logger
 }
 
+var (
+	_ component.DistilleryFetcher = (*Info)(nil)
+	_ component.Servable          = (*Info)(nil)
+)
+
 func (*Info) Routes() []string { return []string{"/dis/"} }
 
 func (info *Info) Handler(ctx context.Context, route string, io stream.IOStream) (handler http.Handler, err error) {

internal/dis/component/control/static/static.go

@@ -15,6 +15,10 @@ type Static struct {
 	component.Base
 }
 
+var (
+	_ component.Servable = (*Static)(nil)
+)
+
 func (*Static) Routes() []string { return []string{"/static/"} }
 
 //go:embed dist

internal/dis/component/exporter/extras_bookkeeping.go

@@ -13,6 +13,10 @@ type Bookkeeping struct {
 	component.Base
 }
 
+var (
+	_ component.Snapshotable = (*Bookkeeping)(nil)
+)
+
 // SnapshotNeedsRunning returns if this Snapshotable requires a running instance.
 func (Bookkeeping) SnapshotNeedsRunning() bool { return false }
 

internal/dis/component/exporter/extras_config.go

@@ -12,6 +12,10 @@ type Config struct {
 	component.Base
 }
 
+var (
+	_ = (component.Backupable)((*Config)(nil))
+)
+
 func (*Config) BackupName() string {
 	return "config"
 }

internal/dis/component/exporter/extras_filesystem.go

@@ -10,6 +10,10 @@ type Filesystem struct {
 	component.Base
 }
 
+var (
+	_ component.Snapshotable = (*Filesystem)(nil)
+)
+
 // SnapshotNeedsRunning returns if this Snapshotable requires a running instance.
 func (Filesystem) SnapshotNeedsRunning() bool { return false }
 

internal/dis/component/exporter/extras_pathbuilders.go

@@ -14,6 +14,10 @@ type Pathbuilders struct {
 	Instances *instances.Instances
 }
 
+var (
+	_ component.Snapshotable = (*Pathbuilders)(nil)
+)
+
 func (Pathbuilders) SnapshotNeedsRunning() bool { return true }
 
 func (Pathbuilders) SnapshotName() string { return "pathbuilders" }

internal/dis/component/resolver/resolver.go

@@ -26,6 +26,10 @@ type Resolver struct {
 	handler lazy.Lazy[wdresolve.ResolveHandler] // handler
 }
 
+var (
+	_ component.Servable = (*Resolver)(nil)
+)
+
 func (resolver *Resolver) Routes() []string { return []string{"/go/", "/wisski/get/"} }
 
 func (resolver *Resolver) Handler(ctx context.Context, route string, io stream.IOStream) (http.Handler, error) {

internal/dis/component/solr/solr.go

@@ -17,6 +17,10 @@ type Solr struct {
 	PollInterval time.Duration // duration to wait for during wait
 }
 
+var (
+	_ component.Installable = (*Solr)(nil)
+)
+
 func (s *Solr) Path() string {
 	return filepath.Join(s.Still.Config.DeployRoot, "core", "solr")
 }

internal/dis/component/sql/sql.go

@@ -20,6 +20,12 @@ type SQL struct {
 	lazyNetwork lazy.Lazy[string]
 }
 
+var (
+	_ component.Backupable   = (*SQL)(nil)
+	_ component.Snapshotable = (*SQL)(nil)
+	_ component.Installable  = (*SQL)(nil)
+)
+
 func (sql *SQL) Path() string {
 	return filepath.Join(sql.Still.Config.DeployRoot, "core", "sql")
 }

internal/dis/component/ssh2/ssh2.go

@@ -14,6 +14,10 @@ type SSH2 struct {
 	Instances *instances.Instances
 }
 
+var (
+	_ component.Installable = (*SSH2)(nil)
+)
+
 // GlobalKeys returns the global authorized keys
 func (s *SSH2) GlobalKeys() ([]ssh.PublicKey, error) {
 	file, err := s.Environment.Open(s.Config.GlobalAuthorizedKeysFile)

internal/dis/component/triplestore/triplestore.go

@@ -17,6 +17,12 @@ type Triplestore struct {
 	PollInterval time.Duration // duration to wait for during wait
 }
 
+var (
+	_ component.Backupable   = (*Triplestore)(nil)
+	_ component.Snapshotable = (*Triplestore)(nil)
+	_ component.Installable  = (*Triplestore)(nil)
+)
+
 func (ts *Triplestore) Path() string {
 	return filepath.Join(ts.Still.Config.DeployRoot, "core", "triplestore")
 }

internal/dis/component/web/web.go

@@ -15,6 +15,10 @@ type Web struct {
 	component.Base
 }
 
+var (
+	_ component.Installable = (*Web)(nil)
+)
+
 func (web *Web) Path() string {
 	return filepath.Join(web.Still.Config.DeployRoot, "core", "web")
 }