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main.go
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main.go
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package cli
import (
"fmt"
"github.com/rs/zerolog/log"
"github.com/thomiceli/opengist/internal/config"
"github.com/thomiceli/opengist/internal/db"
"github.com/thomiceli/opengist/internal/git"
"github.com/thomiceli/opengist/internal/index"
"github.com/thomiceli/opengist/internal/memdb"
"github.com/thomiceli/opengist/internal/ssh"
"github.com/thomiceli/opengist/internal/web"
"github.com/urfave/cli/v2"
"os"
"path"
"path/filepath"
)
var CmdVersion = cli.Command{
Name: "version",
Usage: "Print the version of Opengist",
Action: func(c *cli.Context) error {
fmt.Println("Opengist v" + config.OpengistVersion)
return nil
},
}
var CmdStart = cli.Command{
Name: "start",
Usage: "Start Opengist server",
Action: func(ctx *cli.Context) error {
Initialize(ctx)
go web.NewServer(os.Getenv("OG_DEV") == "1").Start()
go ssh.Start()
select {}
},
}
var ConfigFlag = cli.StringFlag{
Name: "config",
Aliases: []string{"c"},
Usage: "Path to a config file in YAML format",
}
func App() error {
app := cli.NewApp()
app.Name = "Opengist"
app.Usage = "A self-hosted pastebin powered by Git."
app.HelpName = "opengist"
app.Commands = []*cli.Command{&CmdVersion, &CmdStart, &CmdHook, &CmdAdmin}
app.DefaultCommand = CmdStart.Name
app.Flags = []cli.Flag{
&ConfigFlag,
}
return app.Run(os.Args)
}
func Initialize(ctx *cli.Context) {
fmt.Println("Opengist v" + config.OpengistVersion)
if err := config.InitConfig(ctx.String("config"), os.Stdout); err != nil {
panic(err)
}
if err := os.MkdirAll(filepath.Join(config.GetHomeDir()), 0755); err != nil {
panic(err)
}
config.InitLog()
gitVersion, err := git.GetGitVersion()
if err != nil {
log.Fatal().Err(err).Send()
}
if ok, err := config.CheckGitVersion(gitVersion); err != nil {
log.Fatal().Err(err).Send()
} else if !ok {
log.Warn().Msg("Git version may be too old, as Opengist has not been tested prior git version 2.28 and some features would not work. " +
"Current git version: " + gitVersion)
}
homePath := config.GetHomeDir()
log.Info().Msg("Data directory: " + homePath)
if err := createSymlink(homePath, ctx.String("config")); err != nil {
log.Fatal().Err(err).Msg("Failed to create symlinks")
}
if err := os.MkdirAll(filepath.Join(homePath, "repos"), 0755); err != nil {
log.Fatal().Err(err).Send()
}
if err := os.MkdirAll(filepath.Join(homePath, "tmp", "repos"), 0755); err != nil {
log.Fatal().Err(err).Send()
}
if err := os.MkdirAll(filepath.Join(homePath, "custom"), 0755); err != nil {
log.Fatal().Err(err).Send()
}
log.Info().Msg("Database file: " + filepath.Join(homePath, config.C.DBFilename))
if err := db.Setup(filepath.Join(homePath, config.C.DBFilename), false); err != nil {
log.Fatal().Err(err).Msg("Failed to initialize database")
}
if err := memdb.Setup(); err != nil {
log.Fatal().Err(err).Msg("Failed to initialize in memory database")
}
if config.C.IndexEnabled {
log.Info().Msg("Index directory: " + filepath.Join(homePath, config.C.IndexDirname))
if err := index.Open(filepath.Join(homePath, config.C.IndexDirname)); err != nil {
log.Fatal().Err(err).Msg("Failed to open index")
}
}
}
func createSymlink(homePath string, configPath string) error {
if err := os.MkdirAll(filepath.Join(homePath, "symlinks"), 0755); err != nil {
return err
}
exePath, err := os.Executable()
if err != nil {
return err
}
symlinkExePath := path.Join(config.GetHomeDir(), "symlinks", "opengist")
if _, err := os.Lstat(symlinkExePath); err == nil {
if err := os.Remove(symlinkExePath); err != nil {
return err
}
}
if err = os.Symlink(exePath, symlinkExePath); err != nil {
return err
}
if configPath == "" {
return nil
}
configPath, _ = filepath.Abs(configPath)
configPath = filepath.Clean(configPath)
symlinkConfigPath := path.Join(config.GetHomeDir(), "symlinks", "config.yml")
if _, err := os.Lstat(symlinkConfigPath); err == nil {
if err := os.Remove(symlinkConfigPath); err != nil {
return err
}
}
if err = os.Symlink(configPath, symlinkConfigPath); err != nil {
return err
}
return nil
}