jasmine/cmd/jasmine/serve.go
2024-05-27 14:32:05 +01:00

84 lines
2.0 KiB
Go

package main
import (
"context"
"encoding/json"
"flag"
"github.com/1f349/jasmine"
"github.com/1f349/violet/utils"
"github.com/charmbracelet/log"
"github.com/google/subcommands"
"github.com/mrmelon54/exit-reload"
"os"
"path/filepath"
)
type serveCmd struct {
configPath string
debugLog bool
}
func (s *serveCmd) Name() string { return "serve" }
func (s *serveCmd) Synopsis() string { return "Serve calendar service" }
func (s *serveCmd) SetFlags(f *flag.FlagSet) {
f.StringVar(&s.configPath, "conf", "", "/path/to/config.json : path to the config file")
f.BoolVar(&s.debugLog, "debug", false, "enable debug logging")
}
func (s *serveCmd) Usage() string {
return `serve [-conf <config file>]
Serve calendar service using information from the config file
`
}
func (s *serveCmd) Execute(_ context.Context, _ *flag.FlagSet, _ ...any) subcommands.ExitStatus {
if s.debugLog {
jasmine.Logger.SetLevel(log.DebugLevel)
}
jasmine.Logger.Info("Starting...")
if s.configPath == "" {
jasmine.Logger.Error("Config flag is missing")
return subcommands.ExitUsageError
}
openConf, err := os.Open(s.configPath)
if err != nil {
if os.IsNotExist(err) {
jasmine.Logger.Error("Missing config file")
} else {
jasmine.Logger.Error("Open config file", "err", err)
}
return subcommands.ExitFailure
}
var config jasmine.Conf
err = json.NewDecoder(openConf).Decode(&config)
if err != nil {
jasmine.Logger.Error("Invalid config file", "err", err)
return subcommands.ExitFailure
}
configPathAbs, err := filepath.Abs(s.configPath)
if err != nil {
jasmine.Logger.Error("Failed to get absolute config path")
return subcommands.ExitFailure
}
wd := filepath.Dir(configPathAbs)
normalLoad(config, wd)
return subcommands.ExitSuccess
}
func normalLoad(startUp jasmine.Conf, wd string) {
srv := jasmine.NewHttpServer(startUp, wd)
jasmine.Logger.Infof("Starting HTTP server on '%s'", srv.Addr)
go utils.RunBackgroundHttp(jasmine.Logger, srv)
exit_reload.ExitReload("Jasmine", func() {}, func() {
// stop http server
_ = srv.Close()
})
}