113 lines
2.5 KiB
Go
113 lines
2.5 KiB
Go
package main
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import (
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"fmt"
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"os"
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"os/exec"
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"log"
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"path/filepath"
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"time"
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"github.com/joho/godotenv"
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"strings"
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)
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const dtFormat string = "2006-01-02 15:04:05 Monday"
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func Handle(err error) {
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if err != nil {
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log.Panic(err.Error())
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}
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}
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// Basic logging
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func LogToFile(message string) {
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f, err := os.OpenFile("databaseBackup.log", os.O_RDWR | os.O_CREATE | os.O_APPEND, 0666)
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Handle(err)
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defer f.Close()
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log.SetOutput(f)
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log.Println(fmt.Sprintf(" | %s", message))
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}
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func UploadToGithub(archiveDir string) {
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// Add archive files to stage
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cmd := exec.Command("git", "add", ".")
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cmd.Dir = archiveDir
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_, err := cmd.Output()
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Handle(err)
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now := time.Now()
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// Commit archive files
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cmd = exec.Command("git", "commit", "-m", fmt.Sprintf("'%s''", now.Format(dtFormat)))
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cmd.Dir = archiveDir
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_, err = cmd.Output()
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Handle(err)
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// Push archive files to repository
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cmd = exec.Command("git", "push", "origin", "master", "--force")
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cmd.Dir = archiveDir
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_, err = cmd.Output()
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Handle(err)
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LogToFile("Successfully uploaded archive to github repository")
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}
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func main() {
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// Load environment variables
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godotenv.Load(".env")
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var mongoURI string = os.Getenv("mongoURI")
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var database_string string = os.Getenv("databases")
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var github string = os.Getenv("github")
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// Ensure required variables
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if mongoURI == "" || database_string == "" {
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log.Panic("Missing required .env variables: mongoURI, databases")
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}
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var databases []string = strings.Split(database_string, ", ")
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// Ensure archive directory exists // initialize repository if github provided
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archiveDir := filepath.Join(".", "archive")
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if _, err := os.Stat(archiveDir); os.IsNotExist(err) {
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err := os.Mkdir(archiveDir, os.ModePerm)
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Handle(err)
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if github != "" {
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cmd := exec.Command("git", "init")
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cmd.Dir = archiveDir
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_, err := cmd.Output()
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Handle(err)
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cmd = exec.Command("git", "remote", "add", "origin", github)
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cmd.Dir = archiveDir
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_, err = cmd.Output()
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Handle(err)
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}
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}
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// Perform mongodump to archive databases to .gzip format
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for _, db := range databases {
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archivePath := filepath.Join(archiveDir, db + ".gzip")
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cmd := exec.Command(
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"mongodump",
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"--uri=" + mongoURI,
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"--authenticationDatabase=admin",
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"--db=" + db,
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"--archive=" + archivePath,
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"--gzip",
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)
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_, err := cmd.Output()
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Handle(err)
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LogToFile(fmt.Sprintf("Successfully archived %s", db))
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}
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if github != "" {
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UploadToGithub(archiveDir)
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}
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LogToFile("------------------------ mongodb-backup-script ------------------------") // Log break for easier viewing
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}
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