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migration_scripts/scripts/document_current_state.sh
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142
migration_scripts/scripts/document_current_state.sh
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#!/bin/bash
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# Document Current Infrastructure State
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# This script creates a complete snapshot of the current infrastructure
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set -euo pipefail
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echo "🔍 Documenting current infrastructure state..."
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# Create timestamp for this snapshot
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TIMESTAMP=$(date +%Y%m%d_%H%M%S)
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SNAPSHOT_DIR="/opt/migration/backups/snapshot_${TIMESTAMP}"
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mkdir -p "$SNAPSHOT_DIR"
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# Define hosts
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HOSTS=("omv800" "fedora" "surface" "jonathan-2518f5u" "audrey" "raspberrypi")
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HOST_IPS=("192.168.50.229" "192.168.50.225" "192.168.50.254" "192.168.50.181" "192.168.50.145" "192.168.50.107")
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echo "📋 Creating snapshot in: $SNAPSHOT_DIR"
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# 1. Docker state documentation
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echo "📦 Documenting Docker state..."
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for i in "${!HOSTS[@]}"; do
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host="${HOSTS[$i]}"
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ip="${HOST_IPS[$i]}"
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echo " Processing $host ($ip)..."
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# Create host-specific directory
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host_dir="$SNAPSHOT_DIR/$host"
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mkdir -p "$host_dir"
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# Docker containers
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ssh -o ConnectTimeout=10 "$host" "docker ps -a --format 'table {{.Names}}\t{{.Image}}\t{{.Status}}\t{{.Ports}}'" > "$host_dir/docker_containers.txt" 2>/dev/null || echo "No Docker on $host" > "$host_dir/docker_containers.txt"
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# Docker images
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ssh -o ConnectTimeout=10 "$host" "docker images" > "$host_dir/docker_images.txt" 2>/dev/null || echo "No Docker images on $host" > "$host_dir/docker_images.txt"
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# Docker networks
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ssh -o ConnectTimeout=10 "$host" "docker network ls" > "$host_dir/docker_networks.txt" 2>/dev/null || echo "No Docker networks on $host" > "$host_dir/docker_networks.txt"
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# Docker volumes
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ssh -o ConnectTimeout=10 "$host" "docker volume ls" > "$host_dir/docker_volumes.txt" 2>/dev/null || echo "No Docker volumes on $host" > "$host_dir/docker_volumes.txt"
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# Docker compose files
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ssh -o ConnectTimeout=10 "$host" "find /opt /home -name 'docker-compose*.yml' -exec cat {} \;" > "$host_dir/docker_compose_files.txt" 2>/dev/null || echo "No docker-compose files found on $host" > "$host_dir/docker_compose_files.txt"
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done
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# 2. Database dumps
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echo "🗄️ Creating database dumps..."
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DUMP_DIR="$SNAPSHOT_DIR/database_dumps"
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mkdir -p "$DUMP_DIR"
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# PostgreSQL dumps
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for host in "omv800" "surface" "jonathan-2518f5u"; do
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echo " Dumping PostgreSQL from $host..."
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ssh -o ConnectTimeout=10 "$host" "docker ps | grep postgres" > /dev/null 2>&1 && {
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ssh "$host" "docker exec \$(docker ps -q --filter 'ancestor=postgres') pg_dumpall > /tmp/postgres_dump_${host}.sql"
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scp "$host:/tmp/postgres_dump_${host}.sql" "$DUMP_DIR/"
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} || echo "No PostgreSQL found on $host" > "$DUMP_DIR/postgres_dump_${host}.sql"
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done
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# 3. Configuration backups
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echo "⚙️ Backing up configurations..."
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for i in "${!HOSTS[@]}"; do
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host="${HOSTS[$i]}"
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echo " Backing up configs from $host..."
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ssh -o ConnectTimeout=10 "$host" "tar czf /tmp/config_backup_${host}.tar.gz /etc/docker /opt /home/*/.config 2>/dev/null || echo 'No configs to backup'" > /dev/null 2>&1
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scp "$host:/tmp/config_backup_${host}.tar.gz" "$SNAPSHOT_DIR/" 2>/dev/null || echo "No config backup available for $host" > "$SNAPSHOT_DIR/config_backup_${host}.txt"
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done
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# 4. File system snapshots
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echo "💾 Creating file system snapshots..."
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for host in "omv800" "surface" "jonathan-2518f5u"; do
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echo " Creating FS snapshot for $host..."
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ssh -o ConnectTimeout=10 "$host" "sudo tar czf /tmp/fs_snapshot_${host}.tar.gz /mnt /var/lib/docker 2>/dev/null || echo 'No files to snapshot'" > /dev/null 2>&1
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scp "$host:/tmp/fs_snapshot_${host}.tar.gz" "$SNAPSHOT_DIR/" 2>/dev/null || echo "No FS snapshot available for $host" > "$SNAPSHOT_DIR/fs_snapshot_${host}.txt"
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done
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# 5. Network configuration
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echo "🌐 Documenting network configuration..."
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for i in "${!HOSTS[@]}"; do
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host="${HOSTS[$i]}"
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echo " Documenting network for $host..."
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ssh -o ConnectTimeout=10 "$host" "ip addr show" > "$SNAPSHOT_DIR/network_${host}.txt" 2>/dev/null || echo "Cannot get network info for $host" > "$SNAPSHOT_DIR/network_${host}.txt"
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ssh -o ConnectTimeout=10 "$host" "ip route show" > "$SNAPSHOT_DIR/routing_${host}.txt" 2>/dev/null || echo "Cannot get routing info for $host" > "$SNAPSHOT_DIR/routing_${host}.txt"
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done
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# 6. Service health status
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echo "🏥 Documenting service health..."
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for i in "${!HOSTS[@]}"; do
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host="${HOSTS[$i]}"
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echo " Checking health for $host..."
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ssh -o ConnectTimeout=10 "$host" "docker ps --format 'table {{.Names}}\t{{.Status}}\t{{.Ports}}'" > "$SNAPSHOT_DIR/health_${host}.txt" 2>/dev/null || echo "No Docker health info for $host" > "$SNAPSHOT_DIR/health_${host}.txt"
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done
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# 7. System information
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echo "💻 Collecting system information..."
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for i in "${!HOSTS[@]}"; do
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host="${HOSTS[$i]}"
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echo " Getting system info for $host..."
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ssh -o ConnectTimeout=10 "$host" "uname -a && df -h && free -h && uptime" > "$SNAPSHOT_DIR/system_${host}.txt" 2>/dev/null || echo "Cannot get system info for $host" > "$SNAPSHOT_DIR/system_${host}.txt"
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done
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# 8. Create summary report
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echo "📋 Creating summary report..."
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cat > "$SNAPSHOT_DIR/summary.txt" << EOF
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Infrastructure Snapshot Summary
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Generated: $(date)
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Snapshot Directory: $SNAPSHOT_DIR
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Hosts Documented:
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$(for i in "${!HOSTS[@]}"; do echo " - ${HOSTS[$i]}: ${HOST_IPS[$i]}"; done)
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Files Created:
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$(find "$SNAPSHOT_DIR" -type f | wc -l) total files
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$(du -sh "$SNAPSHOT_DIR" | cut -f1) total size
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Critical Services Found:
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$(grep -r "immich\|jellyfin\|homeassistant\|appflowy\|paperless" "$SNAPSHOT_DIR" | head -10)
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Database Dumps:
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$(ls -la "$DUMP_DIR"/*.sql 2>/dev/null | wc -l) PostgreSQL dumps
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Next Steps:
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1. Verify all critical data is captured
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2. Test backup restoration procedures
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3. Proceed with migration planning
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EOF
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echo "✅ Current state documented in $SNAPSHOT_DIR"
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echo "📋 Snapshot summary:"
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cat "$SNAPSHOT_DIR/summary.txt"
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# Create symbolic link to latest
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ln -sfn "$SNAPSHOT_DIR" "/opt/migration/backups/latest"
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echo "🔗 Latest snapshot linked to: /opt/migration/backups/latest"
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