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add config reloading via API endpoint and more WS work

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This commit is contained in:
Joel Wetzell
2026-03-12 17:04:21 -05:00
parent e996d84234
commit 3e7b245536
5 changed files with 294 additions and 96 deletions
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47
cmd/showbridge/main.go
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@@ -13,6 +13,8 @@ import (
"github.com/jwetzell/showbridge-go"
"github.com/jwetzell/showbridge-go/internal/config"
"github.com/jwetzell/showbridge-go/internal/module"
"github.com/jwetzell/showbridge-go/internal/route"
"github.com/urfave/cli/v3"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"
@@ -173,7 +175,19 @@ func run(ctx context.Context, c *cli.Command) error {
routerRunner: &sync.WaitGroup{},
}
router, err := showbridgeApp.getNewRouter()
config, err := readConfig(showbridgeApp.configPath)
if err != nil {
return err
}
router, moduleErrors, routeErrors := showbridge.NewRouter(config)
showbridgeApp.logConfigErrors(moduleErrors, routeErrors)
if moduleErrors != nil || routeErrors != nil {
return fmt.Errorf("errors initializing modules or routes")
}
if err != nil {
return fmt.Errorf("failed to initialize router: %w", err)
}
@@ -200,18 +214,15 @@ func (app *showbridgeApp) handleHangup() {
select {
case <-sigHangup:
app.logger.Info("received SIGHUP, reloading configuration")
newRouter, err := app.getNewRouter()
app.routerMutex.Lock()
config, err := readConfig(app.configPath)
if err != nil {
app.logger.Error("failed to reload configuration", "error", err)
app.logger.Error("failed to read config file", "error", err)
app.routerMutex.Unlock()
continue
}
app.routerMutex.Lock()
app.router.Stop()
app.routerRunner.Wait()
app.router = newRouter
app.routerRunner.Go(func() {
app.router.Start(context.Background())
})
moduleErrors, routeErrors := app.router.UpdateConfig(config)
app.logConfigErrors(moduleErrors, routeErrors)
app.logger.Info("configuration reloaded successfully")
app.routerMutex.Unlock()
case <-app.ctx.Done():
@@ -220,15 +231,7 @@ func (app *showbridgeApp) handleHangup() {
}
}
func (app *showbridgeApp) getNewRouter() (*showbridge.Router, error) {
// TODO(jwetzell): what should happen when the config file is unchanged?
config, err := readConfig(app.configPath)
if err != nil {
return nil, err
}
router, moduleErrors, routeErrors := showbridge.NewRouter(config)
func (app *showbridgeApp) logConfigErrors(moduleErrors []module.ModuleError, routeErrors []route.RouteError) {
for _, moduleError := range moduleErrors {
app.logger.Error("problem initializing module", "index", moduleError.Index, "error", moduleError.Error)
}
@@ -236,12 +239,6 @@ func (app *showbridgeApp) getNewRouter() (*showbridge.Router, error) {
for _, routeError := range routeErrors {
app.logger.Error("problem initializing route", "index", routeError.Index, "error", routeError.Error)
}
if moduleErrors != nil || routeErrors != nil {
return nil, fmt.Errorf("errors initializing modules or routes")
}
return router, nil
}
func newTracerProvider(exp sdktrace.SpanExporter) *sdktrace.TracerProvider {