feat: move main task logic to runtime package

cmd/daemon.go

@@ -0,0 +1,94 @@
+package cmd
+
+import (
+	"context"
+	"time"
+
+	"gitea.com/gitea/act_runner/client"
+	"gitea.com/gitea/act_runner/engine"
+	"gitea.com/gitea/act_runner/poller"
+	"gitea.com/gitea/act_runner/runtime"
+
+	"github.com/joho/godotenv"
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+	"golang.org/x/sync/errgroup"
+)
+
+func runDaemon(ctx context.Context, task *runtime.Task) func(cmd *cobra.Command, args []string) error {
+	return func(cmd *cobra.Command, args []string) error {
+		log.Infoln("Starting runner daemon")
+
+		_ = godotenv.Load(task.Input.EnvFile)
+		cfg, err := fromEnviron()
+		if err != nil {
+			log.WithError(err).
+				Fatalln("invalid configuration")
+		}
+
+		initLogging(cfg)
+
+		// try to connect to docker daemon
+		// if failed, exit with error
+		if err := engine.Start(ctx); err != nil {
+			log.WithError(err).Fatalln("failed to connect docker daemon engine")
+		}
+
+		cli := client.New(
+			cfg.Client.Address,
+			cfg.Client.Secret,
+			cfg.Client.SkipVerify,
+			client.WithGRPC(cfg.Client.GRPC),
+			client.WithGRPCWeb(cfg.Client.GRPCWeb),
+		)
+
+		for {
+			err := cli.Ping(ctx, cfg.Runner.Name)
+			select {
+			case <-ctx.Done():
+				return nil
+			default:
+			}
+			if ctx.Err() != nil {
+				break
+			}
+			if err != nil {
+				log.WithError(err).
+					Errorln("cannot ping the remote server")
+				// TODO: if ping failed, retry or exit
+				time.Sleep(time.Second)
+			} else {
+				log.Infoln("successfully pinged the remote server")
+				break
+			}
+		}
+
+		var g errgroup.Group
+
+		runner := &runtime.Runner{
+			Client:  cli,
+			Machine: cfg.Runner.Name,
+			Environ: cfg.Runner.Environ,
+		}
+
+		poller := poller.New(cli, runner.Run)
+
+		g.Go(func() error {
+			log.WithField("capacity", cfg.Runner.Capacity).
+				WithField("endpoint", cfg.Client.Address).
+				WithField("os", cfg.Platform.OS).
+				WithField("arch", cfg.Platform.Arch).
+				Infoln("polling the remote server")
+
+			poller.Poll(ctx, cfg.Runner.Capacity)
+			return nil
+		})
+
+		err = g.Wait()
+		if err != nil {
+			log.WithError(err).
+				Errorln("shutting down the server")
+		}
+		return err
+	}
+}