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chore: define gpg home directory

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This commit is contained in:
Jonas Kaninda
2024-09-28 09:43:51 +02:00
parent e97fc7512a
commit 4b2527f416
4 changed files with 36 additions and 33 deletions
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5
docs/how-tos/encrypt-backup.md
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@@ -9,8 +9,11 @@ nav_order: 7
The image supports encrypting backups using GPG out of the box. In case a `GPG_PASSPHRASE` environment variable is set, the backup archive will be encrypted using the given key and saved as a sql.gpg file instead or sql.gz.gpg. The image supports encrypting backups using GPG out of the box. In case a `GPG_PASSPHRASE` environment variable is set, the backup archive will be encrypted using the given key and saved as a sql.gpg file instead or sql.gz.gpg.
{: .warning } {: .warning }
To restore an encrypted backup, you need to provide the same GPG passphrase used during backup process. To restore an encrypted backup, you need to provide the same GPG passphrase or key used during backup process.
- GPG home directory `/config/gnupg`
- Cipher algorithm `aes256`
-
To decrypt manually, you need to install `gnupg` To decrypt manually, you need to install `gnupg`
### Decrypt backup ### Decrypt backup

4
docs/reference/index.md
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@@ -35,7 +35,7 @@ Backup, restore and migrate targets, schedule and retention are configured using
## Environment variables ## Environment variables
| Name | Requirement | Description | | Name | Requirement | Description |
|------------------------|----------------------------------------------------|------------------------------------------------------| |------------------------|--------------------------------------------------------------|------------------------------------------------------|
| DB_PORT | Optional, default 3306 | Database port number | | DB_PORT | Optional, default 3306 | Database port number |
| DB_HOST | Required | Database host | | DB_HOST | Required | Database host |
| DB_NAME | Optional if it was provided from the -d flag | Database name | | DB_NAME | Optional if it was provided from the -d flag | Database name |
@@ -48,7 +48,7 @@ Backup, restore and migrate targets, schedule and retention are configured using
| AWS_REGION | Optional, required for S3 storage | AWS Region | | AWS_REGION | Optional, required for S3 storage | AWS Region |
| AWS_DISABLE_SSL | Optional, required for S3 storage | Disable SSL | | AWS_DISABLE_SSL | Optional, required for S3 storage | Disable SSL |
| FILE_NAME | Optional if it was provided from the --file flag | Database file to restore (extensions: .sql, .sql.gz) | | FILE_NAME | Optional if it was provided from the --file flag | Database file to restore (extensions: .sql, .sql.gz) |
| BACKUP_CRON_EXPRESSION | Optional if it was provided from the --period flag | Backup cron expression for docker in scheduled mode | | BACKUP_CRON_EXPRESSION | Optional if it was provided from the --cron-expression flag | Backup cron expression for docker in scheduled mode |
| GPG_PASSPHRASE | Optional, required to encrypt and restore backup | GPG passphrase | | GPG_PASSPHRASE | Optional, required to encrypt and restore backup | GPG passphrase |
| SSH_HOST_NAME | Optional, required for SSH storage | ssh remote hostname or ip | | SSH_HOST_NAME | Optional, required for SSH storage | ssh remote hostname or ip |
| SSH_USER | Optional, required for SSH storage | ssh remote user | | SSH_USER | Optional, required for SSH storage | ssh remote user |

4
pkg/encrypt.go
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@@ -16,7 +16,7 @@ import (
func Decrypt(inputFile string, passphrase string) error { func Decrypt(inputFile string, passphrase string) error {
utils.Info("Decrypting backup file: " + inputFile + " ...") utils.Info("Decrypting backup file: " + inputFile + " ...")
//Create gpg home dir //Create gpg home dir
err := utils.MakeDir(gpgHome) err := utils.MakeDirAll(gpgHome)
if err != nil { if err != nil {
return err return err
} }
@@ -37,7 +37,7 @@ func Decrypt(inputFile string, passphrase string) error {
func Encrypt(inputFile string, passphrase string) error { func Encrypt(inputFile string, passphrase string) error {
utils.Info("Encrypting backup...") utils.Info("Encrypting backup...")
//Create gpg home dir //Create gpg home dir
err := utils.MakeDir(gpgHome) err := utils.MakeDirAll(gpgHome)
if err != nil { if err != nil {
return err return err
} }

2
pkg/var.go
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@@ -10,7 +10,7 @@ const cronLogFile = "/var/log/mysql-bkup.log"
const tmpPath = "/tmp/backup" const tmpPath = "/tmp/backup"
const backupCronFile = "/usr/local/bin/backup_cron.sh" const backupCronFile = "/usr/local/bin/backup_cron.sh"
const algorithm = "aes256" const algorithm = "aes256"
const gpgHome = "gnupg" const gpgHome = "/config/gnupg"
const gpgExtension = "gpg" const gpgExtension = "gpg"
var ( var (