v1
This commit is contained in:
jpmvaz
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#!/usr/bin/env python3
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"""
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Docker Factory Reset Script for Ubuntu
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Completely resets Docker to a fresh installation state.
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"""
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import subprocess
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import sys
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import os
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import time
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from typing import List
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class ProgressBar:
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"""Simple progress indicator for operations."""
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def __init__(self, total: int, description: str = ""):
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self.total = total
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self.current = 0
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self.description = description
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def update(self, increment: int = 1):
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self.current += increment
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self._display()
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def _display(self):
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if self.total == 0:
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percentage = 100
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else:
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percentage = int((self.current / self.total) * 100)
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bar_length = 40
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filled = int((percentage / 100) * bar_length)
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bar = '█' * filled + '░' * (bar_length - filled)
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print(f"\r [{bar}] {percentage}% ({self.current}/{self.total}) {self.description}", end='', flush=True)
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def complete(self):
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self.current = self.total
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self._display()
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print() # New line after completion
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def run_cmd_realtime(cmd: List[str], check: bool = False, show_output: bool = True) -> int:
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"""
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Run a command and stream stdout/stderr in real-time.
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Returns the exit code.
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If check=True, exits the script on non-zero return code.
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"""
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if show_output:
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print(f"\n▶ RUN: {' '.join(cmd)}")
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print("─" * 60)
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try:
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process = subprocess.Popen(
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cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT, # Merge stderr into stdout
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text=True,
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bufsize=1, # Line buffered
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)
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# Stream output line by line
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if show_output:
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for line in process.stdout:
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print(line, end='') # Print without adding extra newline
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else:
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# Consume output even if not showing
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for _line in process.stdout:
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pass
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process.wait()
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code = process.returncode
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if show_output:
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if code != 0:
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print(f"✗ Command exited with code {code}")
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if check:
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sys.exit(code)
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else:
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print(f"✓ Command completed successfully")
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return code
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except FileNotFoundError:
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print(f"✗ ERROR: Command not found: {' '.join(cmd)}")
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sys.exit(1)
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def run_cmd_quiet(cmd: List[str]) -> tuple:
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"""
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Run a command quietly and return (exit_code, stdout, stderr).
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Used for listing/checking operations.
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"""
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try:
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result = subprocess.run(
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cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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text=True,
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)
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return result.returncode, result.stdout.strip(), result.stderr.strip()
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except FileNotFoundError:
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print(f"✗ ERROR: Command not found: {' '.join(cmd)}")
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sys.exit(1)
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def require_root():
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if os.geteuid() != 0:
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print("✗ This script must be run as root (use sudo).")
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sys.exit(1)
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def docker_installed() -> bool:
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code, out, err = run_cmd_quiet(["docker", "--version"])
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if code != 0:
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print("✗ Docker does not appear to be installed or accessible.")
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if err:
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print(err)
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return False
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print(f"✓ Docker found: {out}")
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return True
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def list_ids(cmd: List[str]) -> List[str]:
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code, out, _err = run_cmd_quiet(cmd)
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if code != 0:
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return []
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return [line.strip() for line in out.splitlines() if line.strip()]
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def stop_and_remove_containers():
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print("\n" + "=" * 60)
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print("STEP 1/8: CONTAINERS")
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print("=" * 60)
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container_ids = list_ids(["docker", "ps", "-aq"])
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if not container_ids:
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print("ℹ No containers found.")
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return
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print(f"ℹ Found {len(container_ids)} container(s)")
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running_ids = list_ids(["docker", "ps", "-q"])
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if running_ids:
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print(f"\nℹ Stopping {len(running_ids)} running container(s)...")
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progress = ProgressBar(len(running_ids), "stopping containers")
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for container_id in running_ids:
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run_cmd_realtime(["docker", "stop", container_id], show_output=False)
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progress.update()
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progress.complete()
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else:
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print("ℹ No running containers to stop.")
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print(f"\nℹ Removing all {len(container_ids)} container(s)...")
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progress = ProgressBar(len(container_ids), "removing containers")
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for container_id in container_ids:
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run_cmd_realtime(["docker", "rm", "-f", container_id], show_output=False)
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progress.update()
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progress.complete()
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print("✓ All containers removed")
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def remove_images():
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print("\n" + "=" * 60)
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print("STEP 2/8: IMAGES")
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print("=" * 60)
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image_ids = list_ids(["docker", "images", "-aq"])
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if not image_ids:
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print("ℹ No images found.")
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return
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print(f"ℹ Found {len(image_ids)} image(s)")
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print("\nℹ Removing all images...")
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progress = ProgressBar(len(image_ids), "removing images")
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for image_id in image_ids:
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run_cmd_realtime(["docker", "rmi", "-f", image_id], show_output=False)
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progress.update()
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progress.complete()
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print("✓ All images removed")
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def remove_networks():
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print("\n" + "=" * 60)
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print("STEP 3/8: NETWORKS")
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print("=" * 60)
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code, out, err = run_cmd_quiet(["docker", "network", "ls", "--format", "{{.Name}}"])
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if code != 0:
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print(f"✗ Error listing networks: {err}")
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return
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default_networks = {"bridge", "host", "none"}
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networks = [n.strip() for n in out.splitlines() if n.strip()]
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custom_networks = [n for n in networks if n not in default_networks]
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if not custom_networks:
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print("ℹ No custom networks found.")
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return
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print(f"ℹ Found {len(custom_networks)} custom network(s): {', '.join(custom_networks)}")
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print("\nℹ Removing custom networks...")
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progress = ProgressBar(len(custom_networks), "removing networks")
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for network in custom_networks:
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run_cmd_realtime(["docker", "network", "rm", network], show_output=False)
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progress.update()
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progress.complete()
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print("✓ All custom networks removed")
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def remove_volumes():
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print("\n" + "=" * 60)
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print("STEP 4/8: VOLUMES")
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print("=" * 60)
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volume_names = list_ids(["docker", "volume", "ls", "-q"])
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if not volume_names:
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print("ℹ No volumes found.")
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return
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print(f"ℹ Found {len(volume_names)} volume(s)")
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print("\nℹ Removing all volumes...")
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progress = ProgressBar(len(volume_names), "removing volumes")
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for volume in volume_names:
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run_cmd_realtime(["docker", "volume", "rm", "-f", volume], show_output=False)
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progress.update()
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progress.complete()
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print("✓ All volumes removed")
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def prune_system():
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print("\n" + "=" * 60)
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print("STEP 5/8: SYSTEM PRUNE & BUILD CACHE")
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print("=" * 60)
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print("ℹ Pruning builder cache...")
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run_cmd_realtime(["docker", "builder", "prune", "-af"])
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print("\nℹ Running system prune (extra safety)...")
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run_cmd_realtime(["docker", "system", "prune", "-af", "--volumes"])
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def stop_docker_service():
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print("\n" + "=" * 60)
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print("STEP 6/8: STOP DOCKER DAEMON")
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print("=" * 60)
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print("ℹ Stopping Docker service...")
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run_cmd_realtime(["systemctl", "stop", "docker"])
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print("\nℹ Stopping containerd service...")
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run_cmd_realtime(["systemctl", "stop", "containerd"])
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print("✓ Docker daemon stopped")
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def wipe_docker_data_dirs():
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print("\n" + "=" * 60)
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print("STEP 7/8: DELETE DOCKER DATA DIRECTORIES")
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print("=" * 60)
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paths = ["/var/lib/docker", "/var/lib/containerd"]
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existing_paths = [p for p in paths if os.path.exists(p)]
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if not existing_paths:
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print("ℹ No Docker data directories found.")
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return
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print(f"ℹ Found {len(existing_paths)} data director(ies) to delete")
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progress = ProgressBar(len(existing_paths), "deleting directories")
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for p in paths:
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if os.path.exists(p):
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print(f"\nℹ Deleting {p} ...")
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code, out, _err = run_cmd_quiet(["du", "-sh", p])
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if code == 0 and out:
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print(f" Size: {out.split()[0]}")
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run_cmd_realtime(["rm", "-rf", p], show_output=False)
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progress.update()
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else:
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print(f"ℹ {p} does not exist; skipping.")
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progress.complete()
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print("✓ All Docker data directories deleted")
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def start_docker_service():
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print("\n" + "=" * 60)
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print("STEP 8/8: START DOCKER DAEMON")
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print("=" * 60)
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print("ℹ Starting containerd service...")
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run_cmd_realtime(["systemctl", "start", "containerd"])
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print("\nℹ Starting Docker service...")
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run_cmd_realtime(["systemctl", "start", "docker"])
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print("\nℹ Waiting for Docker to initialize...")
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for i in range(5):
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time.sleep(1)
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code, out, _err = run_cmd_quiet(["systemctl", "is-active", "docker"])
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if code == 0 and out.strip() == "active":
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print(f"✓ Docker service is active (took {i+1}s)")
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break
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else:
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print("⚠ Warning: Docker service may not be active yet.")
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print("\nℹ Running docker info to verify...")
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run_cmd_realtime(["docker", "info"])
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def show_final_state():
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print("\n" + "=" * 60)
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print("FINAL DOCKER STATE")
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print("=" * 60)
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cmds = [
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(["docker", "ps", "-a"], "CONTAINERS"),
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(["docker", "images"], "IMAGES"),
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(["docker", "network", "ls"], "NETWORKS"),
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(["docker", "volume", "ls"], "VOLUMES"),
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]
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for cmd, title in cmds:
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print(f"\n▶ {title}")
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print("─" * 60)
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code, out, err = run_cmd_quiet(cmd)
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if code == 0:
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print(out if out else "(empty)")
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else:
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print("✗ Command failed")
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if err:
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print(err)
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def show_banner():
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banner = """
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╔════════════════════════════════════════════════════════════╗
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║ ║
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║ DOCKER FACTORY RESET FOR UBUNTU ║
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║ ║
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║ Completely resets Docker to fresh state ║
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║ ║
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╚════════════════════════════════════════════════════════════╝
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"""
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print(banner)
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def main():
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show_banner()
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require_root()
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if not docker_installed():
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sys.exit(1)
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print("\n⚠ WARNING: This script will COMPLETELY RESET Docker on this Ubuntu host.")
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print("\nIt will:")
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print(" • Stop and remove ALL containers (running and stopped)")
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print(" • Remove ALL images")
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print(" • Remove ALL volumes")
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print(" • Remove ALL custom networks")
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print(" • Prune ALL build cache and system data")
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print(" • STOP Docker daemon")
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print(" • DELETE /var/lib/docker and /var/lib/containerd")
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print(" • START Docker daemon again")
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print("\n⚠ You will lose ALL Docker data on this machine.")
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print("\n" + "─" * 60)
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confirm = input("\nType 'RESET_DOCKER_UBUNTU' to continue: ")
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if confirm != "RESET_DOCKER_UBUNTU":
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print("\n✗ Aborted.")
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sys.exit(0)
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start_time = time.time()
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stop_and_remove_containers()
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remove_images()
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remove_networks()
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remove_volumes()
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prune_system()
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stop_docker_service()
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wipe_docker_data_dirs()
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start_docker_service()
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show_final_state()
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elapsed_time = time.time() - start_time
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print("\n" + "=" * 60)
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print("✓ DOCKER FACTORY RESET COMPLETE")
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print(f" Total time: {elapsed_time:.2f} seconds")
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print("=" * 60)
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print("\nDocker has been reset to a fresh installation state.\n")
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if __name__ == "__main__":
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main()
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Reference in New Issue
Block a user