feat: add mysql script

Dockerfile

@@ -1,8 +1,10 @@
 FROM alexbabel/s3backup:0.11.2
 
-RUN apk add --no-cache mongodb-tools postgresql-client
+RUN apk add --no-cache mongodb-tools postgresql-client mysql-client python3 bash && rm -f /var/cache/apk/*
 
 COPY mongodb.sh /usr/bin/mongodb.sh
 COPY postgresql.sh /usr/bin/postgresql.sh
+COPY mysql.sh /usr/bin/mysql.sh
+COPY mysql-cmd.py /usr/bin/mysql-cmd.py
 
 CMD /usr/bin/mongodb.sh

mongodb.sh

@@ -4,13 +4,13 @@
 DEST=/backup
 
 # Create backup dir (-p to avoid warning if already exists)
-/bin/mkdir -p $DEST
+/bin/mkdir -p "$DEST"
 
 # Log
 echo "Backing up mongodb";
 
 # Dump from mongodb host into backup directory
-/usr/bin/mongodump --uri=$DATABASE_URL -o $DEST
+/usr/bin/mongodump "--uri=$DATABASE_URL" -o "$DEST"
 
 # Run dokku backup script
 /usr/bin/backup.sh

mysql-cmd.py

@@ -0,0 +1,9 @@
+#!/usr/bin/env python3
+
+import os
+from urllib.parse import urlparse
+
+uri = os.getenv('DATABASE_URL')
+result = urlparse(uri)
+
+print(f"/usr/bin/mysqldump -u {result.username} -p {result.password} -d {(result.path or '').replace('/', '')} {result.hostname}:{result.port if result.port else 3306}")

mysql.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# # Backup directory
+DEST=/backup
+
+# Create backup dir (-p to avoid warning if already exists)
+/bin/mkdir -p "$DEST"
+
+# Log
+echo "Backing up mysql"
+
+# Dump from postgresql host into backup directory
+eval "$(python3 /usr/bin/mysql-cmd.py)"
+
+# Run dokku backup script
+/usr/bin/backup.sh

postgresql.sh

@@ -4,13 +4,13 @@
 DEST=/backup
 
 # Create backup dir (-p to avoid warning if already exists)
-/bin/mkdir -p $DEST
+/bin/mkdir -p "$DEST"
 
 # Log
 echo "Backing up postgresql";
 
 # Dump from postgresql host into backup directory
-/usr/bin/pg_dump -Fd --no-acl --no-owner $DATABASE_URL -f $DEST
+/usr/bin/pg_dump -Fd --no-acl --no-owner "$DATABASE_URL" -f "$DEST"
 
 # Run dokku backup script
 /usr/bin/backup.sh