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feat: add migrate database from a source to a target databse

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fix: gpg encrypt permission warning message, update Kubernetes deployment example
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Jonas Kaninda
2024-08-30 19:58:12 +02:00
parent 8fb008151c
commit 662b73579d
18 changed files with 497 additions and 157 deletions
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docs/how-tos/migrate.md Normal file
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---
title: Migrate database
layout: default
parent: How Tos
nav_order: 9
---
# Migrate database
To migrate the database, you need to add `migrate` command.
{: .note }
The Mysql backup has another great feature: migrating your database from a source database to another.
As you know, to restore a database from a source to a target database, you need 2 operations: which is to start by backing up the source database and then restoring the source backed database to the target database.
Instead of proceeding like that, you can use the integrated feature `(migrate)`, which will help you migrate your database by doing only one operation.
### Docker compose
```yml
services:
mysql-bkup:
# In production, it is advised to lock your image tag to a proper
# release version instead of using `latest`.
# Check https://github.com/jkaninda/mysql-bkup/releases
# for a list of available releases.
image: jkaninda/mysql-bkup
container_name: mysql-bkup
command: migrate
volumes:
- ./backup:/backup
environment:
## Target database
- DB_PORT=3306
- DB_HOST=mysql
- DB_NAME=database
- DB_USERNAME=username
- DB_PASSWORD=password
## Source database
- SOURCE_DB_HOST=mysql2
- SOURCE_DB_PORT=3306
- SOURCE_DB_NAME=sourcedb
- SOURCE_DB_USERNAME=jonas
- SOURCE_DB_PASSWORD=password
# mysql-bkup container must be connected to the same network with your database
networks:
- web
networks:
web:
```
### Migrate database using Docker CLI
```
## Target database
DB_PORT=3306
DB_HOST=mysql
DB_NAME=targetdb
DB_USERNAME=targetuser
DB_PASSWORD=password
## Source database
SOURCE_DB_HOST=mysql2
SOURCE_DB_PORT=3306
SOURCE_DB_NAME=sourcedb
SOURCE_DB_USERNAME=sourceuser
SOURCE_DB_PASSWORD=password
```
```shell
docker run --rm --network your_network_name \
--env-file your-env
-v $PWD/backup:/backup/ \
jkaninda/mysql-bkup migrate -d database_name
```
## Kubernetes
```yaml
apiVersion: batch/v1
kind: Job
metadata:
name: migrate-db
spec:
ttlSecondsAfterFinished: 100
template:
spec:
containers:
- name: mysql-bkup
# In production, it is advised to lock your image tag to a proper
# release version instead of using `latest`.
# Check https://github.com/jkaninda/mysql-bkup/releases
# for a list of available releases.
image: jkaninda/mysql-bkup
command:
- /bin/sh
- -c
- migrate -d targetdb
resources:
limits:
memory: "128Mi"
cpu: "500m"
env:
## Target DB
- name: DB_HOST
value: "postgres-target"
- name: DB_USERNAME
value: "mysql"
- name: DB_PASSWORD
value: "password"
## Source DB
- name: SOURCE_DB_HOST
value: "postgres-source"
- name: SOURCE_DB_NAME
value: "sourcedb"
- name: SOURCE_DB_USERNAME
value: "postgres"
# Please use secret!
- name: SOURCE_DB_PASSWORD
value: "password"
restartPolicy: Never
```

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docs/index.md
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@@ -78,6 +78,49 @@ services:
networks:
web:
```
## Kubernetes
```yaml
apiVersion: batch/v1
kind: Job
metadata:
name: backup-job
spec:
ttlSecondsAfterFinished: 100
template:
spec:
containers:
- name: mysql-bkup
# In production, it is advised to lock your image tag to a proper
# release version instead of using `latest`.
# Check https://github.com/jkaninda/mysql-bkup/releases
# for a list of available releases.
image: jkaninda/mysql-bkup
command:
- /bin/sh
- -c
- backup -d dbname
resources:
limits:
memory: "128Mi"
cpu: "500m"
env:
- name: DB_HOST
value: "mysql"
- name: DB_USERNAME
value: "user"
- name: DB_PASSWORD
value: "password"
volumeMounts:
- mountPath: /backup
name: backup
volumes:
- name: backup
hostPath:
path: /home/toto/backup # directory location on host
type: Directory # this field is optional
restartPolicy: Never
```
## Available image registries

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docs/reference/index.md
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@@ -6,7 +6,7 @@ nav_order: 2
# Configuration reference
Backup and restore targets, schedule and retention are configured using environment variables or flags.
Backup, restore and migrate targets, schedule and retention are configured using environment variables or flags.
@@ -19,6 +19,7 @@ Backup and restore targets, schedule and retention are configured using environm
| mysql-bkup | bkup | CLI utility |
| backup | | Backup database operation |
| restore | | Restore database operation |
| migrate | | Migrate database from one instance to another one |
| --storage | -s | Storage. local or s3 (default: local) |
| --file | -f | File name for restoration |
| --path | | AWS S3 path without file name. eg: /custom_path or ssh remote path `/home/foo/backup` |
@@ -34,28 +35,33 @@ Backup and restore targets, schedule and retention are configured using environm
## 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 | Cron expression |
| 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) |
| 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) |
| SOURCE_DB_HOST | Optional, required for database migration | Source database host |
| SOURCE_DB_PORT | Optional, required for database migration | Source database port |
| SOURCE_DB_NAME | Optional, required for database migration | Source database name |
| SOURCE_DB_USERNAME | Optional, required for database migration | Source database username |
| SOURCE_DB_PASSWORD | Optional, required for database migration | Source database password |
---
## Run in Scheduled mode