fix endless loop (#306)

fix endless loop in  poll
relate #305

Co-authored-by: CaiCandong <1290147055@qq.com>
Reviewed-on: https://gitea.com/gitea/act_runner/pulls/306
Co-authored-by: caicandong <caicandong@noreply.gitea.com>
Co-committed-by: caicandong <caicandong@noreply.gitea.com>

README.md

@@ -26,6 +26,13 @@ make docker
 
 ## Quickstart
 
+Actions are disabled by default, so you need to add the following to the configuration file of your Gitea instance to enable it: 
+  
+```ini
+[actions]
+ENABLED=true
+```
+
 ### Register
 
 ```bash
@@ -36,7 +43,7 @@ And you will be asked to input:
 
 1. Gitea instance URL, like `http://192.168.8.8:3000/`. You should use your gitea instance ROOT_URL as the instance argument
  and you should not use `localhost` or `127.0.0.1` as instance IP;
-2. Runner token, you can get it from `http://192.168.8.8:3000/admin/runners`;
+2. Runner token, you can get it from `http://192.168.8.8:3000/admin/actions/runners`;
 3. Runner name, you can just leave it blank;
 4. Runner labels, you can just leave it blank.
 

internal/app/poll/poller.go

@@ -6,6 +6,7 @@ package poll
 import (
 	"context"
 	"errors"
+	"fmt"
 	"sync"
 
 	runnerv1 "code.gitea.io/actions-proto-go/runner/v1"
@@ -55,9 +56,20 @@ func (p *Poller) poll(ctx context.Context, wg *sync.WaitGroup, limiter *rate.Lim
 		if !ok {
 			continue
 		}
-		if err := p.runner.Run(ctx, task); err != nil {
-			log.WithError(err).Error("failed to run task")
+		p.runTaskWithRecover(ctx, task)
+	}
+}
+
+func (p *Poller) runTaskWithRecover(ctx context.Context, task *runnerv1.Task) {
+	defer func() {
+		if r := recover(); r != nil {
+			err := fmt.Errorf("panic: %v", r)
+			log.WithError(err).Error("panic in runTaskWithRecover")
 		}
+	}()
+
+	if err := p.runner.Run(ctx, task); err != nil {
+		log.WithError(err).Error("failed to run task")
 	}
 }