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✨ feat: Enhance Docker cleanup script (#7)
This commit introduces several improvements to the Docker cleanup script: - Adds a verbose mode to print detailed messages during the cleanup process. - Implements a dry run mode to simulate the cleanup without actually removing any resources. - Improves the container, image, volume, and network cleanup functions to better handle the cleanup process and provide more informative output. - Adds a summary of the cleanup results at the end of the script. - Includes a help message to explain the available options. - Refactors the script to improve readability and maintainability. The main goal of these changes is to provide a more user-friendly and robust Docker cleanup solution.
This commit is contained in:
Christopher
GitHub
@@ -1,61 +1,156 @@
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#!/bin/bash
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echo "---------------------"
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echo "Big Bear Docker Cleanup Script"
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echo "---------------------"
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echo "Made by BigBearTechWorld"
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echo "---------------------"
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echo "Like the script? Consider supporting my work at: https://ko-fi.com/bigbeartechworld"
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echo "---------------------"
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set -e
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# Function to delete Docker containers
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# Initialize variables
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VERBOSE=false
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DRY_RUN=false
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# Initialize counters
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CONTAINERS_REMOVED=0
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IMAGES_REMOVED=0
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VOLUMES_REMOVED=0
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NETWORKS_REMOVED=0
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# Function to print verbose messages
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print_verbose() {
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if [ "$VERBOSE" = true ]; then
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echo "$1"
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fi
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}
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# Check if Docker is installed and running. If not, print an error message and exit.
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check_docker() {
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if ! command -v docker &> /dev/null; then
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echo "Docker is not installed. Please install Docker and try again."
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exit 1
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fi
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if ! docker info &> /dev/null; then
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echo "Docker daemon is not running. Please start Docker and try again."
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exit 1
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fi
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}
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# Delete stopped Docker containers.
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cleanup_containers() {
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echo "Current Docker Containers:"
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docker ps -a
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read -p "Do you want to remove all stopped containers? (y/n): " answer
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if [[ "$answer" == "y" ]]; then
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docker container prune -f
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echo "Stopped containers removed."
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if [ "$DRY_RUN" = false ]; then
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read -p "Do you want to remove all stopped containers? (y/n): " answer
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if [[ "$answer" == "y" ]]; then
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CONTAINERS_REMOVED=$(docker container prune -f | grep -oP '(?<=Deleted Containers: )\d+' || echo "0")
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echo "Stopped containers removed."
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fi
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else
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echo "[DRY RUN] Would remove stopped containers."
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fi
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}
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# Function to delete Docker images
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# Delete unused Docker images.
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cleanup_images() {
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echo "Current Docker Images:"
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docker images
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read -p "Do you want to remove unused Docker images? (y/n): " answer
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if [[ "$answer" == "y" ]]; then
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docker image prune -a -f
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echo "Unused images removed."
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if [ "$DRY_RUN" = false ]; then
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read -p "Do you want to remove unused Docker images? (y/n): " answer
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if [[ "$answer" == "y" ]]; then
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IMAGES_REMOVED=$(docker image prune -a -f | grep -oP '(?<=Total reclaimed space: )\S+' || echo "0B")
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echo "Unused images removed."
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fi
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else
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echo "[DRY RUN] Would remove unused Docker images."
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fi
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}
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# Function to delete Docker volumes
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# Delete unused Docker volumes.
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cleanup_volumes() {
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echo "Current Docker Volumes:"
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docker volume ls
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read -p "Do you want to remove unused Docker volumes? (y/n): " answer
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if [[ "$answer" == "y" ]]; then
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docker volume prune -f
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echo "Unused volumes removed."
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if [ "$DRY_RUN" = false ]; then
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read -p "Do you want to remove unused Docker volumes? (y/n): " answer
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if [[ "$answer" == "y" ]]; then
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VOLUMES_REMOVED=$(docker volume prune -f | grep -oP '(?<=Total reclaimed space: )\S+' || echo "0B")
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echo "Unused volumes removed."
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fi
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else
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echo "[DRY RUN] Would remove unused Docker volumes."
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fi
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}
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# Function to delete Docker networks
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# Delete unused Docker networks.
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cleanup_networks() {
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echo "Current Docker Networks:"
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docker network ls
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read -p "Do you want to remove unused Docker networks? (y/n): " answer
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if [[ "$answer" == "y" ]]; then
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docker network prune -f
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echo "Unused networks removed."
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if [ "$DRY_RUN" = false ]; then
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read -p "Do you want to remove unused Docker networks? (y/n): " answer
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if [[ "$answer" == "y" ]]; then
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NETWORKS_REMOVED=$(docker network prune -f | grep -oP '(?<=Deleted Networks: )\d+' || echo "0")
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echo "Unused networks removed."
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fi
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else
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echo "[DRY RUN] Would remove unused Docker networks."
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fi
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}
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# Execute cleanup functions
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cleanup_containers
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cleanup_images
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cleanup_volumes
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cleanup_networks
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# Print a summary of the results from the cleanup process.
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print_stats() {
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echo "---------------------"
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echo "Big Bear Docker Cleanup Statistics"
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echo "---------------------"
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echo "Containers removed: $CONTAINERS_REMOVED"
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echo "Images removed: $IMAGES_REMOVED"
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echo "Volumes removed: $VOLUMES_REMOVED"
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echo "Networks removed: $NETWORKS_REMOVED"
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echo "---------------------"
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}
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echo "Docker cleanup completed."
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# Print the help message for the script
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print_help() {
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echo "Usage: $0 [options]"
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echo "Options:"
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echo " -v, --verbose Enable verbose mode"
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echo " -d, --dry-run Perform a dry run (don't actually remove resources)"
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echo " -h, --help Display this help message"
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}
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# Main entry point for the script.
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main() {
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echo "---------------------"
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echo "Big Bear Docker Cleanup Script V2"
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echo "---------------------"
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echo "Made by BigBearTechWorld"
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echo "---------------------"
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echo "Like the script? Consider supporting my work at: https://ko-fi.com/bigbeartechworld"
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echo "---------------------"
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check_docker
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if [ "$DRY_RUN" = false ]; then
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read -p "This will remove Docker resources. Are you sure you want to proceed? (y/n): " confirm
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if [[ "$confirm" != "y" ]]; then
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echo "Operation cancelled."
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exit 0
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fi
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fi
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cleanup_containers
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cleanup_images
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cleanup_volumes
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cleanup_networks
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echo "Docker cleanup completed."
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print_stats
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}
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# Parse command line arguments
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while [[ "$#" -gt 0 ]]; do
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case $1 in
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-v|--verbose) VERBOSE=true ;;
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-d|--dry-run) DRY_RUN=true ;;
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-h|--help) print_help; exit 0 ;;
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*) echo "Unknown parameter passed: $1"; print_help; exit 1 ;;
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esac
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shift
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done
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# Run the main function
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main
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