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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.
{: .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`
### Decrypt backup

58
docs/reference/index.md
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@@ -34,35 +34,35 @@ Backup, restore and migrate targets, schedule and retention are configured using
## Environment variables
| Name | Requirement | Description |
|------------------------|----------------------------------------------------|------------------------------------------------------|
| DB_PORT | Optional, default 3306 | Database port number |
| DB_HOST | Required | Database host |
| DB_NAME | Optional if it was provided from the -d flag | Database name |
| DB_USERNAME | Required | Database user name |
| DB_PASSWORD | Required | Database password |
| AWS_ACCESS_KEY | Optional, required for S3 storage | AWS S3 Access Key |
| AWS_SECRET_KEY | Optional, required for S3 storage | AWS S3 Secret Key |
| AWS_BUCKET_NAME | Optional, required for S3 storage | AWS S3 Bucket Name |
| AWS_BUCKET_NAME | Optional, required for S3 storage | AWS S3 Bucket Name |
| AWS_REGION | Optional, required for S3 storage | AWS Region |
| 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) |
| BACKUP_CRON_EXPRESSION | Optional if it was provided from the --period flag | Backup cron expression for docker in scheduled mode |
| 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_USER | Optional, required for SSH storage | ssh remote user |
| SSH_PASSWORD | Optional, required for SSH storage | ssh remote user's password |
| SSH_IDENTIFY_FILE | Optional, required for SSH storage | ssh remote user's private key |
| SSH_PORT | Optional, required for SSH storage | ssh remote server port |
| SSH_REMOTE_PATH | Optional, required for SSH storage | ssh remote path (/home/toto/backup) |
| TARGET_DB_HOST | Optional, required for database migration | Target database host |
| TARGET_DB_PORT | Optional, required for database migration | Target database port |
| TARGET_DB_NAME | Optional, required for database migration | Target database name |
| TARGET_DB_USERNAME | Optional, required for database migration | Target database username |
| TARGET_DB_PASSWORD | Optional, required for database migration | Target database password |
| TG_TOKEN | Optional, required for Telegram notification | Telegram token |
| TG_CHAT_ID | Optional, required for Telegram notification | Telegram Chat ID |
| Name | Requirement | Description |
|------------------------|--------------------------------------------------------------|------------------------------------------------------|
| DB_PORT | Optional, default 3306 | Database port number |
| DB_HOST | Required | Database host |
| DB_NAME | Optional if it was provided from the -d flag | Database name |
| DB_USERNAME | Required | Database user name |
| DB_PASSWORD | Required | Database password |
| AWS_ACCESS_KEY | Optional, required for S3 storage | AWS S3 Access Key |
| AWS_SECRET_KEY | Optional, required for S3 storage | AWS S3 Secret Key |
| AWS_BUCKET_NAME | Optional, required for S3 storage | AWS S3 Bucket Name |
| AWS_BUCKET_NAME | Optional, required for S3 storage | AWS S3 Bucket Name |
| AWS_REGION | Optional, required for S3 storage | AWS Region |
| 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) |
| 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 |
| SSH_HOST_NAME | Optional, required for SSH storage | ssh remote hostname or ip |
| SSH_USER | Optional, required for SSH storage | ssh remote user |
| SSH_PASSWORD | Optional, required for SSH storage | ssh remote user's password |
| SSH_IDENTIFY_FILE | Optional, required for SSH storage | ssh remote user's private key |
| SSH_PORT | Optional, required for SSH storage | ssh remote server port |
| SSH_REMOTE_PATH | Optional, required for SSH storage | ssh remote path (/home/toto/backup) |
| TARGET_DB_HOST | Optional, required for database migration | Target database host |
| TARGET_DB_PORT | Optional, required for database migration | Target database port |
| TARGET_DB_NAME | Optional, required for database migration | Target database name |
| TARGET_DB_USERNAME | Optional, required for database migration | Target database username |
| TARGET_DB_PASSWORD | Optional, required for database migration | Target database password |
| TG_TOKEN | Optional, required for Telegram notification | Telegram token |
| TG_CHAT_ID | Optional, required for Telegram notification | Telegram Chat ID |
---
## Run in Scheduled mode

4
pkg/encrypt.go
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@@ -16,7 +16,7 @@ import (
func Decrypt(inputFile string, passphrase string) error {
utils.Info("Decrypting backup file: " + inputFile + " ...")
//Create gpg home dir
err := utils.MakeDir(gpgHome)
err := utils.MakeDirAll(gpgHome)
if err != nil {
return err
}
@@ -37,7 +37,7 @@ func Decrypt(inputFile string, passphrase string) error {
func Encrypt(inputFile string, passphrase string) error {
utils.Info("Encrypting backup...")
//Create gpg home dir
err := utils.MakeDir(gpgHome)
err := utils.MakeDirAll(gpgHome)
if err != nil {
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 backupCronFile = "/usr/local/bin/backup_cron.sh"
const algorithm = "aes256"
const gpgHome = "gnupg"
const gpgHome = "/config/gnupg"
const gpgExtension = "gpg"
var (