update repo

traefik/traefik-certs-dumper/hook/hook.go

@@ -0,0 +1,42 @@
+package hook
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"os"
+	"os/exec"
+	"strings"
+	"time"
+)
+
+// Exec Execute a command on a go routine.
+func Exec(command string) {
+	if command == "" {
+		return
+	}
+
+	go func() {
+		errH := execute(command)
+		if errH != nil {
+			panic(errH)
+		}
+	}()
+}
+
+func execute(command string) error {
+	ctxCmd, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	parts := strings.Fields(os.ExpandEnv(command))
+	output, err := exec.CommandContext(ctxCmd, parts[0], parts[1:]...).CombinedOutput()
+	if len(output) > 0 {
+		fmt.Println(string(output))
+	}
+
+	if ctxCmd.Err() == context.DeadlineExceeded {
+		return errors.New("hook timed out")
+	}
+
+	return err
+}

traefik/traefik-certs-dumper/hook/hook_test.go

@@ -0,0 +1,29 @@
+package hook
+
+import "testing"
+
+func Test_execute(t *testing.T) {
+	testCases := []struct {
+		desc    string
+		command string
+	}{
+		{
+			desc:    "expand env vars",
+			command: `echo "${GOPATH} ${GOARCH}"`,
+		},
+		{
+			desc:    "simple",
+			command: `echo 'hello'`,
+		},
+	}
+
+	for _, test := range testCases {
+		t.Run(test.desc, func(t *testing.T) {
+
+			err := execute(test.command)
+			if err != nil {
+				t.Fatal(err)
+			}
+		})
+	}
+}