92 lines
2.4 KiB
Go
92 lines
2.4 KiB
Go
package main
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import (
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"fmt"
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"io"
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"log"
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"os"
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"path/filepath"
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"strings"
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)
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func generateEnv(yamlFile string) {
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config := loadConfig(yamlFile)
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// Check that all local directories exist
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for _, logEntry := range config.Logs {
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if _, err := os.Stat(logEntry.LocalDirectory); os.IsNotExist(err) {
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log.Fatalf("User is required to create %s", logEntry.LocalDirectory)
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}
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}
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// Generate .env file for each log
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for _, logEntry := range config.Logs {
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envPath := filepath.Join(logEntry.LocalDirectory, ".env")
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// Create combined roots.pem file
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rootsPemPath := filepath.Join(logEntry.LocalDirectory, "roots.pem")
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err := createCombinedRootsPem(config.Roots, logEntry.ExtraRoots, rootsPemPath)
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if err != nil {
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log.Fatalf("Failed to create %s: %v", rootsPemPath, err)
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}
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fmt.Printf("Generated %s\n", rootsPemPath)
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// Build TESSERACT_ARGS string
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args := []string{
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fmt.Sprintf("--private_key=%s", logEntry.Secret),
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fmt.Sprintf("--origin=%s.log.ct.ipng.ch", logEntry.ShortName),
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fmt.Sprintf("--storage_dir=%s", logEntry.LocalDirectory),
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fmt.Sprintf("--roots_pem_file=%s", rootsPemPath),
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}
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tesseractArgs := strings.Join(args, " ")
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envContent := fmt.Sprintf("TESSERACT_ARGS=\"%s\"\n", tesseractArgs)
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err = os.WriteFile(envPath, []byte(envContent), 0644)
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if err != nil {
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log.Fatalf("Failed to write %s: %v", envPath, err)
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}
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fmt.Printf("Generated %s\n", envPath)
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}
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}
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func createCombinedRootsPem(rootsFile, extraRootsFile, outputPath string) error {
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// Create output file
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outputFile, err := os.Create(outputPath)
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if err != nil {
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return fmt.Errorf("failed to create output file: %v", err)
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}
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defer outputFile.Close()
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// Copy main roots file
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if rootsFile != "" {
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rootsData, err := os.Open(rootsFile)
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if err != nil {
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return fmt.Errorf("failed to open roots file %s: %v", rootsFile, err)
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}
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defer rootsData.Close()
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_, err = io.Copy(outputFile, rootsData)
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if err != nil {
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return fmt.Errorf("failed to copy roots file: %v", err)
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}
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}
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// Append extra roots file if it exists
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if extraRootsFile != "" {
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extraRootsData, err := os.Open(extraRootsFile)
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if err != nil {
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return fmt.Errorf("failed to open extra roots file %s: %v", extraRootsFile, err)
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}
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defer extraRootsData.Close()
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_, err = io.Copy(outputFile, extraRootsData)
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if err != nil {
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return fmt.Errorf("failed to copy extra roots file: %v", err)
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}
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}
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return nil
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}
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