Add migration mode for importing existing Docker containers
- New [M] Migration option at script start - Auto-detects Docker directories (/var/docker, /opt/docker, ~/docker) - Scans for docker-compose.yml files and lists containers with sizes - Whiptail checklist for selecting containers to migrate - Option to stop containers before copy (clean database state) - Preserves versions - no unwanted upgrades during migration - After migration, offers to install additional services - Three modes now: Normal install, Migration, Disaster Recovery
This commit is contained in:
Claude
+276
-1
@@ -513,6 +513,267 @@ run_disaster_recovery() {
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return 0
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}
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# Migration function - import existing Docker containers
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run_migration() {
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echo ""
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo "MIGRATION MODE"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo ""
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echo "This will migrate existing Docker containers to this script's structure."
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echo "Containers will be copied (not moved) and versions preserved."
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echo ""
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# Step 1: Get source Docker directory
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echo "Step 1: Locate existing containers"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo ""
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echo "Common Docker directory locations:"
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echo " • /var/docker"
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echo " • ~/docker"
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echo " • /opt/docker"
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echo " • /home/*/docker"
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echo ""
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# Try to auto-detect
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DETECTED_DIRS=()
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for check_dir in /var/docker /opt/docker "$HOME/docker" /home/*/docker; do
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if [ -d "$check_dir" ] && [ "$(find "$check_dir" -maxdepth 2 -name 'docker-compose.yml' -o -name 'compose.yml' 2>/dev/null | head -1)" ]; then
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DETECTED_DIRS+=("$check_dir")
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fi
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done
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if [ ${#DETECTED_DIRS[@]} -gt 0 ]; then
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echo "Auto-detected Docker directories:"
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for dir in "${DETECTED_DIRS[@]}"; do
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count=$(find "$dir" -maxdepth 2 \( -name 'docker-compose.yml' -o -name 'compose.yml' \) 2>/dev/null | wc -l)
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echo " • $dir ($count containers)"
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done
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echo ""
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fi
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read -p "Enter source Docker directory: " SOURCE_DOCKER_DIR
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# Expand ~ if used
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SOURCE_DOCKER_DIR="${SOURCE_DOCKER_DIR/#\~/$HOME}"
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if [ ! -d "$SOURCE_DOCKER_DIR" ]; then
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echo "❌ Directory not found: $SOURCE_DOCKER_DIR"
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return 1
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fi
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# Step 2: Scan for containers
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echo ""
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echo "Step 2: Scanning for containers"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo ""
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CONTAINERS_FOUND=()
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CONTAINER_PATHS=()
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while IFS= read -r compose_file; do
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if [ -n "$compose_file" ]; then
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container_dir=$(dirname "$compose_file")
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container_name=$(basename "$container_dir")
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CONTAINERS_FOUND+=("$container_name")
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CONTAINER_PATHS+=("$container_dir")
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fi
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done < <(find "$SOURCE_DOCKER_DIR" -maxdepth 2 \( -name 'docker-compose.yml' -o -name 'compose.yml' \) 2>/dev/null)
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if [ ${#CONTAINERS_FOUND[@]} -eq 0 ]; then
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echo "❌ No Docker containers found in $SOURCE_DOCKER_DIR"
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return 1
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fi
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echo "Found ${#CONTAINERS_FOUND[@]} container(s):"
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for i in "${!CONTAINERS_FOUND[@]}"; do
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container="${CONTAINERS_FOUND[$i]}"
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path="${CONTAINER_PATHS[$i]}"
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size=$(du -sh "$path" 2>/dev/null | cut -f1)
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echo " [$((i+1))] $container ($size)"
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done
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echo ""
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# Step 3: Select containers to migrate
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echo "Step 3: Select containers to migrate"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo ""
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SELECTED_CONTAINERS=()
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if command -v whiptail &> /dev/null && [ ${#CONTAINERS_FOUND[@]} -gt 3 ]; then
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# Use whiptail for many containers
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CHECKLIST_ARGS=()
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for container in "${CONTAINERS_FOUND[@]}"; do
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CHECKLIST_ARGS+=("$container" "" "ON")
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done
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SELECTED=$(whiptail --title "Select Containers to Migrate" \
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--checklist "Use SPACE to select/deselect, ENTER to confirm:" \
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20 60 12 \
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"${CHECKLIST_ARGS[@]}" \
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3>&1 1>&2 2>&3)
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if [ $? -eq 0 ] && [ -n "$SELECTED" ]; then
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# Parse whiptail output
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for container in $SELECTED; do
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# Remove quotes
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container="${container//\"/}"
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SELECTED_CONTAINERS+=("$container")
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done
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fi
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else
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# Text-based selection
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echo "Select containers to migrate:"
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echo " [A] All containers"
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echo " [S] Select individually"
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echo " [N] None (cancel)"
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echo ""
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read -p "Choice (A/S/N) [A]: " MIGRATE_CHOICE
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case "${MIGRATE_CHOICE^^}" in
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N)
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echo "Migration cancelled."
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return 0
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;;
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S)
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for container in "${CONTAINERS_FOUND[@]}"; do
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read -p " Migrate $container? (y/n) [y]: " MIGRATE_THIS
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if [ "$MIGRATE_THIS" != "n" ] && [ "$MIGRATE_THIS" != "N" ]; then
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SELECTED_CONTAINERS+=("$container")
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fi
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done
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;;
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*)
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SELECTED_CONTAINERS=("${CONTAINERS_FOUND[@]}")
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;;
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esac
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fi
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if [ ${#SELECTED_CONTAINERS[@]} -eq 0 ]; then
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echo "No containers selected."
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return 0
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fi
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echo ""
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echo "Will migrate ${#SELECTED_CONTAINERS[@]} container(s):"
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for container in "${SELECTED_CONTAINERS[@]}"; do
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echo " • $container"
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done
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echo ""
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# Step 4: Stop running containers (optional)
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echo "Step 4: Container status"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━"
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echo ""
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echo "Should running containers be stopped before migration?"
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echo " • Stopping ensures clean copy of data/databases"
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echo " • Not stopping may result in inconsistent state"
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echo ""
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read -p "Stop containers before copying? (y/n) [y]: " STOP_CONTAINERS
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if [ "$STOP_CONTAINERS" != "n" ] && [ "$STOP_CONTAINERS" != "N" ]; then
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echo "Stopping containers..."
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for container in "${SELECTED_CONTAINERS[@]}"; do
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for i in "${!CONTAINERS_FOUND[@]}"; do
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if [ "${CONTAINERS_FOUND[$i]}" = "$container" ]; then
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container_dir="${CONTAINER_PATHS[$i]}"
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if [ -f "$container_dir/docker-compose.yml" ] || [ -f "$container_dir/compose.yml" ]; then
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echo " Stopping $container..."
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(cd "$container_dir" && docker compose down 2>/dev/null) || true
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fi
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fi
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done
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done
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echo ""
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fi
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# Step 5: Copy containers
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echo "Step 5: Migrating containers"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo ""
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# Create target directory
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mkdir -p "$DOCKER_DIR"
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chown "$ACTUAL_USER:$ACTUAL_USER" "$DOCKER_DIR"
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MIGRATED_COUNT=0
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for container in "${SELECTED_CONTAINERS[@]}"; do
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for i in "${!CONTAINERS_FOUND[@]}"; do
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if [ "${CONTAINERS_FOUND[$i]}" = "$container" ]; then
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source_dir="${CONTAINER_PATHS[$i]}"
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target_dir="$DOCKER_DIR/$container"
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# Check if already exists
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if [ -d "$target_dir" ]; then
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echo " ⚠ $container already exists at $target_dir"
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read -p " Overwrite? (y/n) [n]: " OVERWRITE
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if [ "$OVERWRITE" != "y" ] && [ "$OVERWRITE" != "Y" ]; then
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echo " Skipping $container"
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continue
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fi
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rm -rf "$target_dir"
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fi
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echo " Copying $container..."
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cp -a "$source_dir" "$target_dir"
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chown -R "$ACTUAL_USER:$ACTUAL_USER" "$target_dir"
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((MIGRATED_COUNT++))
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echo " ✓ $container migrated"
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fi
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done
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done
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echo ""
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echo "✓ Migrated $MIGRATED_COUNT container(s) to $DOCKER_DIR"
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echo ""
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# Step 6: Start migrated containers (optional)
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echo "Step 6: Start containers"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━"
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echo ""
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read -p "Start migrated containers? (y/n) [y]: " START_MIGRATED
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if [ "$START_MIGRATED" != "n" ] && [ "$START_MIGRATED" != "N" ]; then
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for container in "${SELECTED_CONTAINERS[@]}"; do
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target_dir="$DOCKER_DIR/$container"
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if [ -d "$target_dir" ]; then
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echo " Starting $container..."
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(cd "$target_dir" && docker compose up -d 2>/dev/null) || echo " ⚠ Failed to start $container"
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fi
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done
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echo ""
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fi
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# Step 7: Offer additional services
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echo ""
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo "MIGRATION COMPLETE"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo ""
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echo "Containers migrated to: $DOCKER_DIR"
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echo ""
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echo "Would you like to install additional services not in your migration?"
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echo "This will continue with the normal install process where you can"
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echo "choose which additional apps to install (Immich, Frigate, etc.)"
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echo ""
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read -p "Continue to install additional services? (y/n) [y]: " INSTALL_MORE
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if [ "$INSTALL_MORE" = "n" ] || [ "$INSTALL_MORE" = "N" ]; then
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echo ""
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echo "Migration complete. You can run this script again to install more services."
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echo ""
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echo "To check running containers:"
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echo " docker ps"
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echo ""
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return 0
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fi
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# Return to continue with normal install
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INSTALL_MODE="post-migration"
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return 0
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}
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# Check for restore mode flag
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if [ "$RESTORE_MODE" = true ]; then
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run_disaster_recovery
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@@ -526,15 +787,29 @@ if [ "$UNATTENDED" != true ]; then
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo ""
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echo " [N] Normal install - Fresh install or modify existing"
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echo " [M] Migration - Import existing Docker containers"
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echo " [R] Disaster recovery - Restore from Kopia backup"
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echo ""
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read -p "Select mode (N/R) [N]: " MODE_SELECT
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read -p "Select mode (N/M/R) [N]: " MODE_SELECT
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case "${MODE_SELECT^^}" in
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R)
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run_disaster_recovery
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exit $?
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;;
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M)
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run_migration
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# If migration returns 0 and INSTALL_MODE is post-migration, continue
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if [ $? -ne 0 ]; then
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exit 1
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fi
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if [ "$INSTALL_MODE" != "post-migration" ]; then
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exit 0
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fi
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echo ""
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echo "Continuing with additional service installation..."
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echo ""
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;;
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*)
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INSTALL_MODE="normal"
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;;
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