feat(01-01): add environment reset script (reset-env.sh)
- Stops all containers and removes user-created networks/volumes - Interactive mode requires user confirmation before destructive operations - --dry-run flag shows what would be deleted without actually deleting - Preserves Docker default networks (bridge, host, none) - Does NOT remove Docker images - Color-coded output and clear warning messages - Exit code 0 on success, 1 on cancellation or error Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Luca Sacchi Ricciardi
232
scripts/reset-env.sh
Executable file
232
scripts/reset-env.sh
Executable file
@@ -0,0 +1,232 @@
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#!/bin/bash
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# Laboratori Cloud - Environment Reset Script
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# Part of: "Corso Soluzioni Cloud"
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#
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# Description: Stops all containers, removes all networks and volumes (with confirmation)
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# Usage: ./scripts/reset-env.sh [--dry-run]
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# Color codes for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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# Flags
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DRY_RUN=false
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# Function to print error message
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print_error() {
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echo -e "${RED}[ERROR]${NC} $1" >&2
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}
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# Function to print success message
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print_success() {
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echo -e "${GREEN}[SUCCESS]${NC} $1"
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}
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# Function to print warn message
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print_warn() {
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echo -e "${YELLOW}[WARN]${NC} $1"
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}
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# Function to print info message
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print_info() {
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echo -e "${BLUE}[INFO]${NC} $1"
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}
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# Function to print usage
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print_usage() {
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cat << EOF
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Usage: $0 [--dry-run]
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Stops all containers, removes all user-created networks and volumes.
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Options:
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--dry-run Show what would be deleted without actually deleting
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WARNING: This will stop ALL containers and remove ALL user-created networks and volumes.
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Docker default networks (bridge, host, none) are preserved.
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Docker images are NOT removed.
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Examples:
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$0 # Interactive mode with confirmation
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$0 --dry-run # Show what would be deleted
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Exit codes:
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0 - Cleanup completed successfully
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1 - User cancelled or error occurred
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EOF
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}
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# Parse arguments
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while [ "$1" != "" ]; do
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case $1 in
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--dry-run )
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DRY_RUN=true
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;;
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-h | --help )
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print_usage
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exit 0
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;;
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* )
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print_error "Unknown option: $1"
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echo ""
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print_usage
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exit 1
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;;
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esac
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shift
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done
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echo "=========================================="
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echo "Laboratori Cloud - Environment Reset"
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echo "=========================================="
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echo ""
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if [ "$DRY_RUN" = true ]; then
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print_warn "DRY RUN MODE: No actual changes will be made"
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echo ""
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fi
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# Count objects before cleanup
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RUNNING_CONTAINERS=$(docker ps -q 2>/dev/null | wc -l)
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ALL_CONTAINERS=$(docker ps -aq 2>/dev/null | wc -l)
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USER_NETWORKS=$(docker network ls -q 2>/dev/null | grep -v -E '^[0-9a-f]+$|bridge|host|none' | wc -l)
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ALL_VOLUMES=$(docker volume ls -q 2>/dev/null | wc -l)
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print_info "Current environment state:"
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echo " - Running containers: $RUNNING_CONTAINERS"
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echo " - Total containers: $ALL_CONTAINERS"
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echo " - User-created networks: $USER_NETWORKS"
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echo " - Total volumes: $ALL_VOLUMES"
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echo ""
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# Check if there's anything to clean
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if [ "$RUNNING_CONTAINERS" -eq 0 ] && [ "$ALL_CONTAINERS" -eq 0 ] && [ "$USER_NETWORKS" -eq 0 ] && [ "$ALL_VOLUMES" -eq 0 ]; then
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print_success "Environment is already clean. Nothing to do."
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exit 0
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fi
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# Confirmation prompt (skip in dry-run mode)
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if [ "$DRY_RUN" = false ]; then
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echo -e "${RED}WARNING: This will stop ALL containers and remove ALL user-created networks and volumes.${NC}"
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echo -e "${YELLOW}Docker default networks (bridge, host, none) will be preserved.${NC}"
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echo -e "${YELLOW}Docker images will NOT be removed.${NC}"
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echo ""
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read -p "Are you sure you want to proceed? (yes/no): " CONFIRM
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if [ "$CONFIRM" != "yes" ] && [ "$CONFIRM" != "y" ]; then
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print_info "Cleanup cancelled by user"
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exit 1
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fi
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echo ""
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fi
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# Counter for removed objects
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STOPPED_CONTAINERS=0
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REMOVED_CONTAINERS=0
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REMOVED_NETWORKS=0
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REMOVED_VOLUMES=0
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# 1. Stop running containers
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if [ "$RUNNING_CONTAINERS" -gt 0 ]; then
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print_info "Stopping running containers..."
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CONTAINER_IDS=$(docker ps -q 2>/dev/null)
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if [ -n "$CONTAINER_IDS" ]; then
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if [ "$DRY_RUN" = true ]; then
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print_info "Would stop containers: $CONTAINER_IDS"
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STOPPED_CONTAINERS=$(echo "$CONTAINER_IDS" | wc -l)
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else
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docker stop $CONTAINER_IDS > /dev/null 2>&1
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STOPPED_CONTAINERS=$?
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if [ $STOPPED_CONTAINERS -eq 0 ]; then
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STOPPED_CONTAINERS=$(echo "$CONTAINER_IDS" | wc -l)
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fi
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fi
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print_success "Stopped $STOPPED_CONTAINERS container(s)"
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fi
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fi
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# 2. Remove all containers
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if [ "$ALL_CONTAINERS" -gt 0 ]; then
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print_info "Removing all containers..."
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CONTAINER_IDS=$(docker ps -aq 2>/dev/null)
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if [ -n "$CONTAINER_IDS" ]; then
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if [ "$DRY_RUN" = true ]; then
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print_info "Would remove containers: $CONTAINER_IDS"
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REMOVED_CONTAINERS=$(echo "$CONTAINER_IDS" | wc -l)
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else
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docker rm $CONTAINER_IDS > /dev/null 2>&1
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REMOVED_CONTAINERS=$?
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if [ $REMOVED_CONTAINERS -eq 0 ]; then
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REMOVED_CONTAINERS=$(echo "$CONTAINER_IDS" | wc -l)
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fi
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fi
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print_success "Removed $REMOVED_CONTAINERS container(s)"
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fi
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fi
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# 3. Remove user-created networks
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if [ "$USER_NETWORKS" -gt 0 ]; then
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print_info "Removing user-created networks..."
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NETWORK_IDS=$(docker network ls -q 2>/dev/null | grep -v -E '^[0-9a-f]+$|bridge|host|none' || true)
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if [ -n "$NETWORK_IDS" ]; then
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if [ "$DRY_RUN" = true ]; then
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print_info "Would remove networks: $NETWORK_IDS"
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REMOVED_NETWORKS=$(echo "$NETWORK_IDS" | wc -l)
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else
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docker network rm $NETWORK_IDS > /dev/null 2>&1
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REMOVED_NETWORKS=$?
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if [ $REMOVED_NETWORKS -eq 0 ]; then
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REMOVED_NETWORKS=$(echo "$NETWORK_IDS" | wc -l)
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fi
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fi
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print_success "Removed $REMOVED_NETWORKS network(s)"
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fi
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fi
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# 4. Remove volumes
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if [ "$ALL_VOLUMES" -gt 0 ]; then
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print_info "Removing volumes..."
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VOLUME_IDS=$(docker volume ls -q 2>/dev/null)
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if [ -n "$VOLUME_IDS" ]; then
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if [ "$DRY_RUN" = true ]; then
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print_info "Would remove volumes: $VOLUME_IDS"
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REMOVED_VOLUMES=$(echo "$VOLUME_IDS" | wc -l)
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else
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docker volume rm $VOLUME_IDS > /dev/null 2>&1
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REMOVED_VOLUMES=$?
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if [ $REMOVED_VOLUMES -eq 0 ]; then
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REMOVED_VOLUMES=$(echo "$VOLUME_IDS" | wc -l)
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fi
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fi
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print_success "Removed $REMOVED_VOLUMES volume(s)"
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fi
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fi
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# Summary
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echo ""
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echo "=========================================="
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echo "Summary"
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echo "=========================================="
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if [ "$DRY_RUN" = true ]; then
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print_info "Dry run completed. No actual changes were made."
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echo " - Would stop: $STOPPED_CONTAINERS container(s)"
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echo " - Would remove: $REMOVED_CONTAINERS container(s)"
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echo " - Would remove: $REMOVED_NETWORKS network(s)"
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echo " - Would remove: $REMOVED_VOLUMES volume(s)"
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else
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print_success "Environment reset completed successfully"
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echo " - Stopped: $STOPPED_CONTAINERS container(s)"
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echo " - Removed: $REMOVED_CONTAINERS container(s)"
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echo " - Removed: $REMOVED_NETWORKS network(s)"
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echo " - Removed: $REMOVED_VOLUMES volume(s)"
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fi
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exit 0
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