start the service using a cli

cmd/server/server.go

@@ -0,0 +1,80 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package server
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"github.com/gotosocial/gotosocial/internal/db"
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v2"
+)
+
+// getLog will try to set the logrus log level to the
+// desired level specified by the user with the --log-level flag
+func getLog(c *cli.Context) (*logrus.Logger, error) {
+	log := logrus.New()
+	logLevel, err := logrus.ParseLevel(c.String("log-level"))
+	if err != nil {
+		return nil, err
+	}
+	log.SetLevel(logLevel)
+	return log, nil
+}
+
+// Run starts the gotosocial server
+func Run(c *cli.Context) error {
+	log, err := getLog(c)
+	if err != nil {
+		return fmt.Errorf("error creating logger: %s", err)
+	}
+
+	ctx := context.Background()
+	dbConfig := &db.Config{
+		Type:            "POSTGRES",
+		Address:         "",
+		Port:            5432,
+		User:            "",
+		Password:        "whatever",
+		Database:        "postgres",
+		ApplicationName: "gotosocial",
+	}
+	dbService, err := db.NewService(ctx, dbConfig, log)
+	if err != nil {
+		return err
+	}
+
+	// catch shutdown signals from the operating system
+	sigs := make(chan os.Signal, 1)
+	signal.Notify(sigs, os.Interrupt, syscall.SIGTERM)
+	sig := <-sigs
+	log.Infof("received signal %s, shutting down", sig)
+
+	// close down all running services in order
+	if err := dbService.Stop(ctx); err != nil {
+		return fmt.Errorf("error closing dbservice: %s", err)
+	}
+
+	log.Info("done! exiting...")
+	return nil
+}