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lego/cmd/hook.go
2020-10-27 12:01:05 +01:00

48 lines
786 B
Go

package cmd
import (
"context"
"errors"
"fmt"
"os"
"os/exec"
"strings"
"time"
)
func launchHook(hook string, meta map[string]string) error {
if hook == "" {
return nil
}
ctxCmd, cancel := context.WithTimeout(context.Background(), 120*time.Second)
defer cancel()
parts := strings.Fields(hook)
cmdCtx := exec.CommandContext(ctxCmd, parts[0], parts[1:]...)
cmdCtx.Env = append(os.Environ(), metaToEnv(meta)...)
output, err := cmdCtx.CombinedOutput()
if len(output) > 0 {
fmt.Println(string(output))
}
if errors.Is(ctxCmd.Err(), context.DeadlineExceeded) {
return errors.New("hook timed out")
}
return err
}
func metaToEnv(meta map[string]string) []string {
var envs []string
for k, v := range meta {
envs = append(envs, k+"="+v)
}
return envs
}