Signals: Add cause to signal context cancel

Signed-off-by: joshvanl <[email protected]>

Author: JoshVanL

signals/signals.go

@@ -15,6 +15,7 @@ package signals
 
 import (
 	"context"
+	"fmt"
 	"os"
 	"os/signal"
 
@@ -37,14 +38,14 @@ func Context() context.Context {
 	// panics when called twice
 	close(onlyOneSignalHandler)
 
-	ctx, cancel := context.WithCancel(context.Background())
+	ctx, cancel := context.WithCancelCause(context.Background())
 	sigCh := make(chan os.Signal, 1)
 	signal.Notify(sigCh, shutdownSignals...)
 
 	go func() {
 		sig := <-sigCh
 		log.Infof(`Received signal '%s'; beginning shutdown`, sig)
-		cancel()
+		cancel(fmt.Errorf("cancelling context, received signal %s", sig))
 		sig = <-sigCh
 		log.Fatalf(
 			`Received signal '%s' during shutdown; exiting immediately`,