remove tryUntil

cmd/gotosocial/action/admin/account/account.go

@@ -38,7 +38,9 @@ import (
 func initState(ctx context.Context) (*state.State, error) {
 	var state state.State
 	state.Caches.Init()
-	state.Caches.Start()
+	if err := state.Caches.Start(); err != nil {
+		return nil, fmt.Errorf("error starting caches: %w", err)
+	}
 
 	// Only set state DB connection.
 	// Don't need Actions or Workers for this (yet).

cmd/gotosocial/action/admin/media/list.go

@@ -125,7 +125,9 @@ func setupList(ctx context.Context) (*list, error) {
 	}
 
 	state.Caches.Init()
-	state.Caches.Start()
+	if err := state.Caches.Start(); err != nil {
+		return nil, fmt.Errorf("error starting caches: %w", err)
+	}
 
 	// Only set state DB connection.
 	// Don't need Actions or Workers for this.

cmd/gotosocial/action/admin/media/prune/common.go

@@ -42,7 +42,9 @@ func setupPrune(ctx context.Context) (*prune, error) {
 	var state state.State
 
 	state.Caches.Init()
-	state.Caches.Start()
+	if err := state.Caches.Start(); err != nil {
+		return nil, fmt.Errorf("error starting caches: %w", err)
+	}
 
 	// Scheduler is required for the
 	// cleaner, but no other workers

cmd/gotosocial/action/server/server.go

@@ -118,11 +118,10 @@ var Start action.GTSAction = func(ctx context.Context) error {
 	)
 
 	defer func() {
-		if state.Caches.Inited() {
-			// We reached a point where caches
-			// were initialized. Stop them.
+		// Stop any started caches.
+		//
+		// Noop if never started.
 		state.Caches.Stop()
-		}
 
 		if route != nil {
 			// We reached a point where the API router
@@ -207,7 +206,9 @@ var Start action.GTSAction = func(ctx context.Context) error {
 
 	// Initialize caches
 	state.Caches.Init()
-	state.Caches.Start()
+	if err := state.Caches.Start(); err != nil {
+		return fmt.Errorf("error starting caches: %w", err)
+	}
 
 	// Open connection to the database now caches started.
 	dbService, err := bundb.NewBunDBService(ctx, state)

internal/api/client/lists/lists_test.go

@@ -76,7 +76,9 @@ func (suite *ListsStandardTestSuite) SetupSuite() {
 
 func (suite *ListsStandardTestSuite) SetupTest() {
 	suite.state.Caches.Init()
-	suite.state.Caches.Start()
+	if err := suite.state.Caches.Start(); err != nil {
+		panic("error starting caches: " + err.Error())
+	}
 	testrig.StartNoopWorkers(&suite.state)
 
 	testrig.InitTestConfig()

internal/cache/cache.go

@@ -23,6 +23,7 @@ import (
 	"codeberg.org/gruf/go-cache/v3/ttl"
 	"github.com/superseriousbusiness/gotosocial/internal/cache/headerfilter"
 	"github.com/superseriousbusiness/gotosocial/internal/config"
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
 	"github.com/superseriousbusiness/gotosocial/internal/log"
 )
 
@@ -124,23 +125,18 @@ func (c *Caches) Init() {
 
 // Start will start any caches that require a background
 // routine, which usually means any kind of TTL caches.
-func (c *Caches) Start() {
+func (c *Caches) Start() error {
 	log.Infof(nil, "start: %p", c)
 
-	tryUntil("starting webfinger cache", 5, func() bool {
-		return c.Webfinger.Start(5 * time.Minute)
-	})
-
-	tryUntil("starting statusesFilterableFields cache", 5, func() bool {
-		return c.StatusesFilterableFields.Start(5 * time.Minute)
-	})
+	if !c.Webfinger.Start(5 * time.Minute) {
+		return gtserror.New("could not start webfinger cache")
 	}
 
-// Inited returns true if the
-// caches have been initialized.
-func (c *Caches) Inited() bool {
-	// Use nilness of *ttl.Cache pointers as heuristic.
-	return c.Webfinger != nil && c.StatusesFilterableFields != nil
+	if !c.StatusesFilterableFields.Start(5 * time.Minute) {
+		return gtserror.New("could not start statusesFilterableFields cache")
+	}
+
+	return nil
 }
 
 // Stop will stop any caches that require a background
@@ -148,8 +144,8 @@ func (c *Caches) Inited() bool {
 func (c *Caches) Stop() {
 	log.Infof(nil, "stop: %p", c)
 
-	tryUntil("stopping webfinger cache", 5, c.Webfinger.Stop)
-	tryUntil("stopping statusesFilterableFields cache", 5, c.StatusesFilterableFields.Stop)
+	_ = c.Webfinger.Stop()
+	_ = c.StatusesFilterableFields.Stop()
 }
 
 // Sweep will sweep all the available caches to ensure none

internal/cache/util.go

@@ -19,11 +19,9 @@ package cache
 
 import (
 	"errors"
-	"time"
 
 	errorsv2 "codeberg.org/gruf/go-errors/v2"
 	"github.com/superseriousbusiness/gotosocial/internal/db"
-	"github.com/superseriousbusiness/gotosocial/internal/log"
 )
 
 // SentinelError is an error that can be returned and checked against to indicate a non-permanent
@@ -51,19 +49,3 @@ type nocopy struct{}
 func (*nocopy) Lock() {}
 
 func (*nocopy) Unlock() {}
-
-// tryUntil will attempt to call 'do' for 'count' attempts, before panicking with 'msg'.
-func tryUntil(msg string, count int, do func() bool) {
-	for i := 0; i < count; i++ {
-		if do() {
-			// success.
-			return
-		}
-
-		// Sleep for a little before retry (a bcakoff).
-		time.Sleep(time.Millisecond * 1 << (i + 1))
-	}
-
-	// panic on total failure as this shouldn't happen.
-	log.Panicf(nil, "failed %s after %d tries", msg, count)
-}