feat(cmd/token_expiration_alert): Create a method how to easily detec…

…t expired tokens in Gitlab CI

cmd/cmd.go

@@ -239,6 +239,7 @@ import (
 	_ "github.com/sikalabs/slu/cmd/tls/parse_file"
 	_ "github.com/sikalabs/slu/cmd/tls/parse_k8s_secret"
 	_ "github.com/sikalabs/slu/cmd/tls/pem_to_pfx"
+	_ "github.com/sikalabs/slu/cmd/token_expiration_alert"
 	_ "github.com/sikalabs/slu/cmd/up"
 	_ "github.com/sikalabs/slu/cmd/upload"
 	_ "github.com/sikalabs/slu/cmd/version"

cmd/token_expiration_alert/token_expiration_alert.go

@@ -0,0 +1,88 @@
+package token_expiration_alert
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/sikalabs/slu/cmd/root"
+	"github.com/spf13/cobra"
+)
+
+var FlagExpirationDate string
+var FlagMessage string
+
+func init() {
+	root.RootCmd.AddCommand(Cmd)
+	Cmd.Flags().StringVarP(&FlagExpirationDate, "expiration-date", "e", "", "Token expiration date (eg. 2024-01-01)")
+	Cmd.MarkFlagRequired("expiration-date")
+	Cmd.Flags().StringVarP(&FlagMessage, "message", "m", "", "Message to send")
+	Cmd.MarkFlagRequired("message")
+}
+
+var Cmd = &cobra.Command{
+	Use:   "token-expiration-alert",
+	Short: "Alert about token expiration",
+	Args:  cobra.NoArgs,
+	Run: func(c *cobra.Command, args []string) {
+		expirationAlert(FlagExpirationDate, FlagMessage)
+	},
+}
+
+func expirationAlert(expitationDateString, message string) {
+	expirationDate, err := time.Parse("2006-01-02", expitationDateString)
+	if err != nil {
+		log.Fatalln(err)
+		return
+	}
+
+	currentDate := time.Now()
+
+	// Check if the token has expired
+	if currentDate.After(expirationDate) || currentDate.Equal(expirationDate) {
+		printInBox(message)
+		os.Exit(1)
+	}
+}
+
+func printInBox(text string) {
+	const maxLineLength = 60
+	lines := splitText(text, maxLineLength)
+
+	// Determine the length of the longest line
+	maxLength := len(lines[0])
+	for _, line := range lines {
+		if len(line) > maxLength {
+			maxLength = len(line)
+		}
+	}
+
+	// Create the top and bottom border
+	borderLength := maxLength + 8 // Additional 8 to account for padding and border
+	border := strings.Repeat("#", borderLength)
+	emptyLine := "#" + strings.Repeat(" ", borderLength-2) + "#"
+
+	// Print the box with the text
+	fmt.Println(border)
+	fmt.Println(emptyLine)
+	fmt.Println(emptyLine)
+	for _, line := range lines {
+		fmt.Printf("#   %-*s   #\n", maxLength, line)
+	}
+	fmt.Println(emptyLine)
+	fmt.Println(emptyLine)
+	fmt.Println(border)
+}
+
+// Helper function to split text into lines of a specific length
+func splitText(text string, length int) []string {
+	var lines []string
+	for len(text) > length {
+		lines = append(lines, text[:length])
+		text = text[length:]
+	}
+	lines = append(lines, text)
+	return lines
+}