84 lines
1.6 KiB
Go
84 lines
1.6 KiB
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
"os/signal"
|
|
"path/filepath"
|
|
"syscall"
|
|
|
|
"dev.mediocregopher.com/mediocre-go-lib.git/mctx"
|
|
"dev.mediocregopher.com/mediocre-go-lib.git/mlog"
|
|
)
|
|
|
|
func getAppDirPath() string {
|
|
appDirPath := os.Getenv("APPDIR")
|
|
if appDirPath == "" {
|
|
appDirPath = "."
|
|
}
|
|
return appDirPath
|
|
}
|
|
|
|
var (
|
|
envAppDirPath = getAppDirPath()
|
|
envBinDirPath = filepath.Join(envAppDirPath, "bin")
|
|
)
|
|
|
|
func binPath(name string) string {
|
|
return filepath.Join(envBinDirPath, name)
|
|
}
|
|
|
|
var rootCmd = subCmd{
|
|
name: "isle",
|
|
descr: "All Isle sub-commands",
|
|
noNetwork: true,
|
|
do: func(ctx subCmdCtx) error {
|
|
return ctx.doSubCmd(
|
|
subCmdDaemon,
|
|
subCmdGarage,
|
|
subCmdHost,
|
|
subCmdNetwork,
|
|
subCmdStorage,
|
|
subCmdVersion,
|
|
subCmdVPN,
|
|
)
|
|
},
|
|
}
|
|
|
|
func doRootCmd(
|
|
ctx context.Context,
|
|
logger *mlog.Logger,
|
|
opts *subCmdCtxOpts,
|
|
) error {
|
|
subCmdCtx := newSubCmdCtx(ctx, logger, rootCmd, opts)
|
|
return subCmdCtx.subCmd.do(subCmdCtx)
|
|
}
|
|
|
|
func main() {
|
|
logger := mlog.NewLogger(nil)
|
|
defer logger.Close()
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
|
|
signalCh := make(chan os.Signal, 2)
|
|
signal.Notify(signalCh, syscall.SIGINT, syscall.SIGTERM)
|
|
|
|
go func() {
|
|
sig := <-signalCh
|
|
cancel()
|
|
|
|
ctx := mctx.Annotate(ctx, "signal", sig.String())
|
|
logger.Info(ctx, "got signal, exiting gracefully")
|
|
|
|
sig = <-signalCh
|
|
|
|
ctx = mctx.Annotate(ctx, "signal", sig.String())
|
|
logger.FatalString(ctx, "second signal received, force quitting, there may be zombie children left behind, good luck!")
|
|
}()
|
|
|
|
if err := doRootCmd(ctx, logger, nil); err != nil {
|
|
fmt.Fprintln(os.Stderr, err)
|
|
}
|
|
}
|