mirror of
https://github.com/jkaninda/mysql-bkup.git
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389 lines
11 KiB
Markdown
389 lines
11 KiB
Markdown
# MySQL Backup
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MySQL Backup and Restoration tool. Backup database to AWS S3 storage or any S3 Alternatives for Object Storage.
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[](https://github.com/jkaninda/mysql-bkup/actions/workflows/build.yml)
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[](https://goreportcard.com/report/github.com/jkaninda/mysql-bkup)
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<p align="center">
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<a href="https://github.com/jkaninda/mysql-bkup">
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<img src="https://www.mysql.com/common/logos/logo-mysql-170x115.png" alt="Logo">
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</a>
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</p>
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> Runs on:
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- Docker
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- Kubernetes
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> Links:
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- [Docker Hub](https://hub.docker.com/r/jkaninda/mysql-bkup)
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- [Github](https://github.com/jkaninda/mysql-bkup)
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## PostgreSQL solution :
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- [PostgreSQL](https://github.com/jkaninda/pg-bkup)
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## Storage:
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- local
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- s3
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- Object storage
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## Volumes:
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- /s3mnt => S3 mounting path
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- /backup => local storage mounting path
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## Usage
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| Options | Shorts | Usage |
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|-----------------------|--------|--------------------------------------------------------------------|
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| mysql-bkup | bkup | CLI utility |
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| backup | | Backup database operation |
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| restore | | Restore database operation |
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| history | | Show the history of backup |
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| --storage | -s | Set storage. local or s3 (default: local) |
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| --file | -f | Set file name for restoration |
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| --path | | Set s3 path without file name. eg: /custom_path |
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| --dbname | -d | Set database name |
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| --port | -p | Set database port (default: 3306) |
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| --mode | -m | Set execution mode. default or scheduled (default: default) |
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| --disable-compression | | Disable database backup compression |
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| --period | | Set crontab period for scheduled mode only. (default: "0 1 * * *") |
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| --timeout | -t | Set timeout (default: 60s) |
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| --help | -h | Print this help message and exit |
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| --version | -V | Print version information and exit |
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## Environment variables
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| Name | Requirement | Description |
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|-------------|--------------------------------------------------|----------------------|
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| DB_PORT | Optional, default 3306 | Database port number |
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| DB_HOST | Required | Database host |
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| DB_NAME | Optional if it was provided from the -d flag | Database name |
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| DB_USERNAME | Required | Database user name |
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| DB_PASSWORD | Required | Database password |
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| ACCESS_KEY | Optional, required for S3 storage | AWS S3 Access Key |
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| SECRET_KEY | Optional, required for S3 storage | AWS S3 Secret Key |
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| BUCKET_NAME | Optional, required for S3 storage | AWS S3 Bucket Name |
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| S3_ENDPOINT | Optional, required for S3 storage | AWS S3 Endpoint |
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| FILE_NAME | Optional if it was provided from the --file flag | File to restore |
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## Note:
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Creating a user for backup tasks who has read-only access is recommended!
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> create read-only user
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```sh
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mysql -u root -p
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```
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```sql
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CREATE USER read_only_user IDENTIFIED BY 'your_strong_password';
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```
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```sql
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GRANT SELECT, SHOW VIEW ON *.* TO read_only_user;
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```
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```sql
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FLUSH PRIVILEGES;
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```
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## Backup database :
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Simple backup usage
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```sh
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mysql-bkup backup --dbname database_name
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```
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```sh
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mysql-bkup backup -d database_name
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```
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### S3
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```sh
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mysql-bkup backup --storage s3 --dbname database_name
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```
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## Docker run:
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```sh
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docker run --rm --network your_network_name --name mysql-bkup -v $PWD/backup:/backup/ -e "DB_HOST=database_host_name" -e "DB_USERNAME=username" -e "DB_PASSWORD=password" jkaninda/mysql-bkup:latest mysql-bkup backup -d database_name
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```
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## Docker compose file:
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```yaml
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version: '3'
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services:
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mariadb:
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container_name: mariadb
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image: mariadb
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environment:
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MYSQL_DATABASE: mariadb
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MYSQL_USER: mariadb
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MYSQL_PASSWORD: password
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MYSQL_ROOT_PASSWORD: password
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mysql-bkup:
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image: jkaninda/mysql-bkup
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container_name: mysql-bkup
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command:
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- /bin/sh
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- -c
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- mysql-bkup backup -d database_name
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volumes:
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- ./backup:/backup
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environment:
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- DB_PORT=3306
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- DB_HOST=mariadb
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- DB_USERNAME=mariadb
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- DB_PASSWORD=password
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```
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## Restore database :
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Simple database restore operation usage
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```sh
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mysql-bkup restore --dbname database_name --file database_20231217_115621.sql
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```
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```sh
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mysql-bkup restore -f database_20231217_115621.sql
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```
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### S3
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```sh
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mysql-bkup restore --storage s3 --file database_20231217_115621.sql
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```
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## Docker run:
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```sh
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docker run --rm --network your_network_name --name mysql-bkup -v $PWD/backup:/backup/ -e "DB_HOST=database_host_name" -e "DB_USERNAME=username" -e "DB_PASSWORD=password" jkaninda/mysql-bkup mysql-bkup backup -d database_name -f db_20231219_022941.sql.gz
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```
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## Docker compose file:
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```yaml
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version: '3'
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services:
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mariadb:
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container_name: mariadb
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image: mariadb:latest
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environment:
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MYSQL_DATABASE: mariadb
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MYSQL_USER: mariadb
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MYSQL_PASSWORD: password
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MYSQL_ROOT_PASSWORD: password
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mysql-bkup:
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image: jkaninda/mysql-bkup
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container_name: mysql-bkup
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command:
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- /bin/sh
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- -c
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- mysql-bkup restore --file database_20231217_115621.sql --dbname database_name
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volumes:
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- ./backup:/backup
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environment:
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#- FILE_NAME=mariadb_20231217_040238.sql # Optional if file name is set from command
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- DB_PORT=3306
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- DB_HOST=mariadb
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- DB_NAME=mariadb
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- DB_USERNAME=mariadb
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- DB_PASSWORD=password
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```
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## Run
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```sh
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docker-compose up -d
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```
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## Backup to S3
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```sh
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docker run --rm --privileged --device /dev/fuse --name mysql-bkup -e "DB_HOST=db_hostname" -e "DB_USERNAME=username" -e "DB_PASSWORD=password" -e "ACCESS_KEY=your_access_key" -e "SECRET_KEY=your_secret_key" -e "BUCKETNAME=your_bucket_name" -e "S3_ENDPOINT=https://s3.us-west-2.amazonaws.com" jkaninda/mysql-bkup mysql-bkup backup -s s3 -d database_name
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```
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> To change s3 backup path add this flag : --path /myPath . default path is /mysql_bkup
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Simple S3 backup usage
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```sh
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bkup backup --storage s3 --dbname mydatabase
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```
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```yaml
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version: '3'
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services:
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mysql-bkup:
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image: jkaninda/mysql-bkup
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container_name: mysql-bkup
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privileged: true
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devices:
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- "/dev/fuse"
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command:
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- /bin/sh
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- -c
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- mysql-bkup restore --storage s3 -f database_20231217_115621.sql.gz
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environment:
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- DB_PORT=3306
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- DB_HOST=mysql
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- DB_NAME=mariadb
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- DB_USERNAME=mariadb
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- DB_PASSWORD=password
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- ACCESS_KEY=${ACCESS_KEY}
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- SECRET_KEY=${SECRET_KEY}
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- BUCKET_NAME=${BUCKET_NAME}
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- S3_ENDPOINT=${S3_ENDPOINT}
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```
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## Run in Scheduled mode
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This tool can be run as CronJob in Kubernetes for a regular backup which makes deployment on Kubernetes easy as Kubernetes has CronJob resources.
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For Docker, you need to run it in scheduled mode by adding `--mode scheduled` flag and specify the periodical backup time by adding `--period "0 1 * * *"` flag.
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Make an automated backup on Docker
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## Syntax of crontab (field description)
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The syntax is:
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- 1: Minute (0-59)
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- 2: Hours (0-23)
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- 3: Day (0-31)
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- 4: Month (0-12 [12 == December])
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- 5: Day of the week(0-7 [7 or 0 == sunday])
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Easy to remember format:
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```conf
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* * * * * command to be executed
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```
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```conf
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- - - - -
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| | | | |
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| | | | ----- Day of week (0 - 7) (Sunday=0 or 7)
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| | | ------- Month (1 - 12)
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| | --------- Day of month (1 - 31)
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| ----------- Hour (0 - 23)
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------------- Minute (0 - 59)
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```
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> At every 30th minute
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```conf
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*/30 * * * *
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```
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> “At minute 0.” every hour
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```conf
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0 * * * *
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```
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> “At 01:00.” every day
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```conf
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0 1 * * *
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```
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## Example of scheduled mode
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> Docker run :
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```sh
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docker run --rm --name mysql-bkup -v $BACKUP_DIR:/backup/ -e "DB_HOST=$DB_HOST" -e "DB_USERNAME=$DB_USERNAME" -e "DB_PASSWORD=$DB_PASSWORD" jkaninda/mysql-bkup mysql-bkup backup --dbname $DB_NAME --mode scheduled --period "0 1 * * *"
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```
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> With Docker compose
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```yaml
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version: "3"
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services:
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mysql-bkup:
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image: jkaninda/mysql-bkup
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container_name: mysql-bkup
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privileged: true
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devices:
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- "/dev/fuse"
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command:
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- /bin/sh
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- -c
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- mysql-bkup backup --storage s3 --path /mys3_custome_path --dbname database_name --mode scheduled --period "*/30 * * * *"
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environment:
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- DB_PORT=3306
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- DB_HOST=mysqlhost
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- DB_USERNAME=userName
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- DB_PASSWORD=${DB_PASSWORD}
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- ACCESS_KEY=${ACCESS_KEY}
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- SECRET_KEY=${SECRET_KEY}
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- BUCKET_NAME=${BUCKET_NAME}
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- S3_ENDPOINT=${S3_ENDPOINT}
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```
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## Kubernetes CronJob
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For Kubernetes you don't need to run it in scheduled mode.
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Simple Kubernetes CronJob usage:
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```yaml
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apiVersion: batch/v1
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kind: CronJob
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metadata:
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name: mysql-bkup-job
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spec:
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schedule: "0 1 * * *"
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jobTemplate:
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spec:
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template:
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spec:
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containers:
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- name: mysql-bkup
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image: jkaninda/mysql-bkup
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securityContext:
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privileged: true
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command:
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- /bin/sh
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- -c
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- mysql-bkup backup -s s3 --path /custom_path
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env:
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- name: DB_PORT
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value: "3306"
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- name: DB_HOST
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value: ""
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- name: DB_NAME
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value: ""
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- name: DB_USERNAME
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value: ""
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# Please use secret!
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- name: DB_PASSWORD
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value: "password"
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- name: ACCESS_KEY
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value: ""
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- name: SECRET_KEY
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value: ""
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- name: BUCKET_NAME
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value: ""
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- name: S3_ENDPOINT
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value: "https://s3.us-west-2.amazonaws.com"
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restartPolicy: Never
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```
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## Contributing
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Contributions are welcome! If you encounter any issues or have suggestions for improvements, please create an issue or submit a pull request.
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Make sure to follow the existing coding style and provide tests for your changes.
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## License
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This project is licensed under the MIT License. See the LICENSE file for details.
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## Authors
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**Jonas Kaninda**
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- <https://github.com/jkaninda>
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## Copyright
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Copyright (c) [2023] [Jonas Kaninda]
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