Setup mysql on rocky linux 9

batch-mysql-setup.sh

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+#!/bin/bash
+
+# Batch MySQL Setup Script
+# Usage: ./batch-mysql-setup.sh <hosts_file> <ssh_key>
+
+set -e
+
+if [ $# -lt 2 ]; then
+    echo "Usage: $0 <hosts_file> <ssh_key>"
+    echo "Example: $0 hosts.txt ~/.ssh/id_rsa"
+    exit 1
+fi
+
+HOSTS_FILE=$1
+SSH_KEY=$2
+
+if [ ! -f "$HOSTS_FILE" ]; then
+    echo "Hosts file $HOSTS_FILE not found!"
+    exit 1
+fi
+
+echo "Starting batch MySQL setup..."
+echo "Hosts file: $HOSTS_FILE"
+echo "SSH key: $SSH_KEY"
+echo ""
+
+# Read hosts and setup MySQL on each
+while IFS= read -r host; do
+    if [ -n "$host" ] && [[ ! "$host" =~ ^# ]]; then
+        echo "Setting up MySQL on $host..."
+
+        # Use the remote setup script
+        ./remote-mysql-setup.sh "$host" "$SSH_KEY" "myapp_db" "myapp_user" "SecurePassword123!"
+
+        echo "Completed setup on $host"
+        echo "----------------------------------------"
+    fi
+done < "$HOSTS_FILE"
+
+echo "Batch MySQL setup completed for all hosts!"

hosts.txt

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+# List of Rocky Linux 9 hosts for MySQL setup
+# Add your host IPs here, one per line
+# Lines starting with # are comments and will be ignored
+
+192.168.1.100
+192.168.1.101
+192.168.1.102
+192.168.1.103
+
+# Example hosts (uncomment and modify as needed):
+# 10.0.0.10
+# 10.0.0.11
+# 10.0.0.12

mysql-backup.sh

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+#!/bin/bash
+
+# MySQL Backup Script
+# Usage: ./mysql-backup.sh [database_name]
+
+DB_NAME=${1:-"myapp_db"}
+BACKUP_DIR="/var/backups/mysql"
+DATE=$(date +%Y%m%d_%H%M%S)
+BACKUP_FILE="$BACKUP_DIR/${DB_NAME}_$DATE.sql"
+
+# Create backup directory
+sudo mkdir -p "$BACKUP_DIR"
+
+# Create backup
+mysqldump -u root -p"RootPassword123!" --single-transaction --routines --triggers "$DB_NAME" > "$BACKUP_FILE"
+
+# Compress backup
+gzip "$BACKUP_FILE"
+
+echo "Backup created: ${BACKUP_FILE}.gz"
+
+# Remove backups older than 7 days
+find "$BACKUP_DIR" -name "*.sql.gz" -mtime +7 -delete
+
+echo "Old backups cleaned up"