Allow to store logs in files (#3568)

Co-authored-by: Anbraten <6918444+anbraten@users.noreply.github.com>

cmd/server/flags.go

@@ -241,6 +241,17 @@ var flags = append([]cli.Flag{
 		Usage:   "Disable version check in admin web ui.",
 		Name:    "skip-version-check",
 	},
+	&cli.StringFlag{
+		EnvVars: []string{"WOODPECKER_LOG_STORE"},
+		Name:    "log-store",
+		Usage:   "log store to use ('database' or 'file')",
+		Value:   "database",
+	},
+	&cli.StringFlag{
+		EnvVars: []string{"WOODPECKER_LOG_STORE_FILE_PATH"},
+		Name:    "log-store-file-path",
+		Usage:   "directory used for file based log storage",
+	},
 	//
 	// backend options for pipeline compiler
 	//

cmd/server/server.go

@@ -276,6 +276,11 @@ func setupEvilGlobals(c *cli.Context, s store.Store) error {
 	}
 	server.Config.Services.Manager = serviceManager
 
+	server.Config.Services.LogStore, err = setupLogStore(c, s)
+	if err != nil {
+		return fmt.Errorf("could not setup log store: %w", err)
+	}
+
 	// authentication
 	server.Config.Pipeline.AuthenticatePublicRepos = c.Bool("authenticate-public-repos")
 

cmd/server/setup.go

@@ -30,6 +30,8 @@ import (
 	"go.woodpecker-ci.org/woodpecker/v2/server"
 	"go.woodpecker-ci.org/woodpecker/v2/server/cache"
 	"go.woodpecker-ci.org/woodpecker/v2/server/queue"
+	logService "go.woodpecker-ci.org/woodpecker/v2/server/services/log"
+	"go.woodpecker-ci.org/woodpecker/v2/server/services/log/file"
 	"go.woodpecker-ci.org/woodpecker/v2/server/store"
 	"go.woodpecker-ci.org/woodpecker/v2/server/store/datastore"
 )
@@ -154,3 +156,12 @@ func setupMetrics(g *errgroup.Group, _store store.Store) {
 		}
 	})
 }
+
+func setupLogStore(c *cli.Context, s store.Store) (logService.Service, error) {
+	switch c.String("log-store") {
+	case "file":
+		return file.NewLogStore(c.String("log-store-file-path"))
+	default:
+		return s, nil
+	}
+}