slawek/lab-ca
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Migrated command line commands and flags handling to cobra framework.

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This commit is contained in:
Sławek Koszewski
2025-07-27 12:37:14 +02:00
parent d9af118c45
commit 544770cc3e
2 changed files with 66 additions and 28 deletions
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7
go.mod
View File

@@ -2,13 +2,18 @@ module koszewscy.waw.pl/slawek/lab-ca
go 1.24.5
require github.com/hashicorp/hcl/v2 v2.24.0
require (
github.com/hashicorp/hcl/v2 v2.24.0
github.com/spf13/cobra v1.9.1
)
require (
github.com/agext/levenshtein v1.2.1 // indirect
github.com/apparentlymart/go-textseg/v15 v15.0.0 // indirect
github.com/google/go-cmp v0.6.0 // indirect
github.com/inconshreveable/mousetrap v1.1.0 // indirect
github.com/mitchellh/go-wordwrap v1.0.1 // indirect
github.com/spf13/pflag v1.0.6 // indirect
github.com/zclconf/go-cty v1.16.3 // indirect
golang.org/x/mod v0.17.0 // indirect
golang.org/x/sync v0.14.0 // indirect

55
main.go
View File

@@ -6,7 +6,6 @@ import (
"crypto/x509"
"crypto/x509/pkix"
"encoding/pem"
"flag"
"fmt"
"math/big"
"os"
@@ -14,6 +13,7 @@ import (
gohcl "github.com/hashicorp/hcl/v2/gohcl"
hclparse "github.com/hashicorp/hcl/v2/hclparse"
"github.com/spf13/cobra"
)
// CAConfig represents a CA block in HCL
@@ -131,13 +131,38 @@ func (c *CAConfig) Validate() error {
}
func main() {
initCA := flag.Bool("initca", false, "Generate a new CA certificate and key")
configPath := flag.String("config", "ca_config.hcl", "Path to CA configuration file")
overwrite := flag.Bool("overwrite", false, "Allow overwriting existing files")
flag.Parse()
var configPath string
var overwrite bool
if *initCA {
config, err := LoadCAConfig(*configPath)
var rootCmd = &cobra.Command{
Use: "lab-ca",
Short: "Certificate Authority Utility",
Long: "lab-ca - Certificate Authority Utility",
Run: func(cmd *cobra.Command, args []string) {
printMainHelp()
},
}
var initcaCmd = &cobra.Command{
Use: "initca",
Short: "Generate a new CA certificate and key",
Run: func(cmd *cobra.Command, args []string) {
handleInitCA(configPath, overwrite)
},
}
initcaCmd.Flags().StringVar(&configPath, "config", "ca_config.hcl", "Path to CA configuration file")
initcaCmd.Flags().BoolVar(&overwrite, "overwrite", false, "Allow overwriting existing files")
rootCmd.AddCommand(initcaCmd)
if err := rootCmd.Execute(); err != nil {
os.Exit(1)
}
}
func handleInitCA(configPath string, overwrite bool) {
config, err := LoadCAConfig(configPath)
if err != nil {
fmt.Println("Error loading config:", err)
return
@@ -147,17 +172,25 @@ func main() {
fmt.Println("Error generating CA:", err)
return
}
if err := SavePEM("ca_cert.pem", certPEM, false, *overwrite); err != nil {
if err := SavePEM("ca_cert.pem", certPEM, false, overwrite); err != nil {
fmt.Println("Error saving CA certificate:", err)
return
}
if err := SavePEM("ca_key.pem", keyPEM, true, *overwrite); err != nil {
if err := SavePEM("ca_key.pem", keyPEM, true, overwrite); err != nil {
fmt.Println("Error saving CA key:", err)
return
}
fmt.Println("CA certificate and key generated.")
return
}
fmt.Println("No action specified. Use -initca to generate a CA.")
func printMainHelp() {
fmt.Println("lab-ca - Certificate Authority Utility")
fmt.Println()
fmt.Println("Usage:")
fmt.Println(" lab-ca <command> [options]")
fmt.Println()
fmt.Println("Available commands:")
fmt.Println(" initca Generate a new CA certificate and key")
fmt.Println()
fmt.Println("Use 'lab-ca <command> --help' for more information about a command.")
}