docker-cleanup

docker-cleanup.py

from operator import sub
import subprocess


def rm_containers_with_status(status):
    raw_container_list = subprocess.run(['docker', 'ps', '-qa', '--no-trunc', '--filter', f'status={status}'], stdout=subprocess.PIPE)
    containers = raw_container_list.stdout.decode('utf-8').split('\n')
    containers = [c for c in containers if c]  # remove empty items
    if not containers:
        print(f'No containers with {status} status found!')
        return
    for container in containers:
        print(f"Deleting container with id {container}...")
        output = subprocess.run(['docker', 'rm', container], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
        if output.stderr:
            print(output.stderr)


def rm_dangling_images():
    raw_images_list = subprocess.run(['docker', 'images', '--filter', 'dangling=true', '-q', '--no-trunc'], stdout=subprocess.PIPE)
    images = raw_images_list.stdout.decode('utf-8').split('\n')
    images = [i for i in images if i]  # remove empty items
    if not images:
        print('No dangling images found!')
        return
    for image in images:
        print(f'Deleting dangling image with id {image}...')
        output = subprocess.run(['docker', 'rmi', image], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
        if output.stderr:
            print(output.stderr)


def rm_dangling_volumes():
    raw_volume_list = subprocess.run(['docker', 'volume', 'ls', '-qf', 'dangling=true'], stdout=subprocess.PIPE)
    volumes = raw_volume_list.stdout.decode('utf-8').split('\n')
    volumes = [v for v in volumes if v]  # remove empty items
    if not volumes:
        print('No dangling volumes found!')
        return
    for volume in volumes:
        print(f"Deleting volume with id {volume}...")
        output = subprocess.run(['docker', 'volume', 'rm', volume], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
        if output.stderr:
            print(output.stderr)


rm_containers_with_status('exited')
rm_containers_with_status('created')
rm_dangling_images()
rm_dangling_volumes()