jkaninda/pg-bkup
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Migrate from s3fs to go aws s3 client

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This commit is contained in:
Jonas Kaninda
2024-07-29 07:33:26 +02:00
parent 0aa38eec20
commit a8fa58dacb
11 changed files with 359 additions and 41 deletions
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89
pkg/backup.go
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@@ -33,16 +33,35 @@ func StartBackup(cmd *cobra.Command) {
prune, _ := cmd.Flags().GetBool("prune")
disableCompression, _ = cmd.Flags().GetBool("disable-compression")
executionMode, _ = cmd.Flags().GetString("mode")
dbName = os.Getenv("DB_NAME")
storagePath = os.Getenv("STORAGE_PATH")
//Generate file name
backupFileName := fmt.Sprintf("%s_%s.sql.gz", dbName, time.Now().Format("20060102_150405"))
if disableCompression {
backupFileName = fmt.Sprintf("%s_%s.sql", dbName, time.Now().Format("20060102_150405"))
}
if executionMode == "default" {
if storage == "s3" {
switch storage {
case "s3":
utils.Info("Backup database to s3 storage")
s3Backup(disableCompression, s3Path, prune, keepLast)
} else {
BackupDatabase(backupFileName, disableCompression, prune, keepLast)
s3Upload(backupFileName, s3Path)
case "local":
utils.Info("Backup database to local storage")
BackupDatabase(disableCompression, prune, keepLast)
BackupDatabase(backupFileName, disableCompression, prune, keepLast)
moveToBackup(backupFileName, storagePath)
case "ssh":
fmt.Println("x is 2")
case "ftp":
fmt.Println("x is 3")
default:
utils.Info("Backup database to local storage")
BackupDatabase(backupFileName, disableCompression, prune, keepLast)
moveToBackup(backupFileName, storagePath)
}
} else if executionMode == "scheduled" {
scheduledMode()
} else {
@@ -98,7 +117,7 @@ func scheduledMode() {
}
// BackupDatabase backup database
func BackupDatabase(disableCompression bool, prune bool, keepLast int) {
func BackupDatabase(backupFileName string, disableCompression bool, prune bool, keepLast int) {
dbHost = os.Getenv("DB_HOST")
dbPassword = os.Getenv("DB_PASSWORD")
dbUserName = os.Getenv("DB_USERNAME")
@@ -117,12 +136,9 @@ func BackupDatabase(disableCompression bool, prune bool, keepLast int) {
utils.TestDatabaseConnection()
// Backup Database database
utils.Info("Backing up database...")
//Generate file name
bkFileName := fmt.Sprintf("%s_%s.sql.gz", dbName, time.Now().Format("20060102_150405"))
// Verify is compression is disabled
if disableCompression {
bkFileName = fmt.Sprintf("%s_%s.sql", dbName, time.Now().Format("20060102_150405"))
// Execute pg_dump
cmd := exec.Command("pg_dump",
"-h", dbHost,
@@ -135,7 +151,7 @@ func BackupDatabase(disableCompression bool, prune bool, keepLast int) {
log.Fatal(err)
}
// save output
file, err := os.Create(fmt.Sprintf("%s/%s", storagePath, bkFileName))
file, err := os.Create(fmt.Sprintf("%s/%s", tmpPath, backupFileName))
if err != nil {
log.Fatal(err)
}
@@ -145,7 +161,6 @@ func BackupDatabase(disableCompression bool, prune bool, keepLast int) {
if err != nil {
log.Fatal(err)
}
utils.Done("Database has been backed up")
} else {
// Execute pg_dump
@@ -162,7 +177,7 @@ func BackupDatabase(disableCompression bool, prune bool, keepLast int) {
gzipCmd := exec.Command("gzip")
gzipCmd.Stdin = stdout
// save output
gzipCmd.Stdout, err = os.Create(fmt.Sprintf("%s/%s", storagePath, bkFileName))
gzipCmd.Stdout, err = os.Create(fmt.Sprintf("%s/%s", tmpPath, backupFileName))
gzipCmd.Start()
if err != nil {
log.Fatal(err)
@@ -173,30 +188,62 @@ func BackupDatabase(disableCompression bool, prune bool, keepLast int) {
if err := gzipCmd.Wait(); err != nil {
log.Fatal(err)
}
utils.Done("Database has been backed up")
}
utils.Done("Database has been backed up")
//Delete old backup
if prune {
deleteOldBackup(keepLast)
}
//if prune {
// deleteOldBackup(keepLast)
//}
historyFile, err := os.OpenFile(fmt.Sprintf("%s/history.txt", storagePath), os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
historyFile, err := os.OpenFile(fmt.Sprintf("%s/history.txt", tmpPath), os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
log.Fatal(err)
}
defer historyFile.Close()
if _, err := historyFile.WriteString(bkFileName + "\n"); err != nil {
if _, err := historyFile.WriteString(backupFileName + "\n"); err != nil {
log.Fatal(err)
}
}
}
func moveToBackup(backupFileName string, destinationPath string) {
//Copy backup from tmp folder to storage destination
err := utils.CopyFile(filepath.Join(tmpPath, backupFileName), filepath.Join(destinationPath, backupFileName))
if err != nil {
utils.Fatal("Error copying file ", backupFileName, err)
func s3Backup(disableCompression bool, s3Path string, prune bool, keepLast int) {
}
//Delete backup file from tmp folder
err = utils.DeleteFile(filepath.Join(tmpPath, backupFileName))
if err != nil {
fmt.Println("Error deleting file:", err)
}
utils.Done("Database has been backed up and copied to destination ")
}
func s3Upload(backupFileName string, s3Path string) {
bucket := os.Getenv("BUCKET_NAME")
utils.Info("Uploading file to S3 storage")
err := utils.UploadFileToS3(tmpPath, backupFileName, bucket, s3Path)
if err != nil {
utils.Fatalf("Error uploading file to S3: %s ", err)
}
//Delete backup file from tmp folder
err = utils.DeleteFile(filepath.Join(tmpPath, backupFileName))
if err != nil {
fmt.Println("Error deleting file:", err)
}
utils.Done("Database has been backed up and uploaded to s3 ")
}
func s3Backup(backupFileName string, disableCompression bool, s3Path string, prune bool, keepLast int) {
// Backup Database to S3 storage
MountS3Storage(s3Path)
BackupDatabase(disableCompression, prune, keepLast)
//MountS3Storage(s3Path)
//BackupDatabase(backupFileName, disableCompression, prune, keepLast)
}
func deleteOldBackup(keepLast int) {
utils.Info("Deleting old backups...")