List docker images for a given registry

list-docker-images.py

# encoding:utf-8
'''
Created on 2018-05-02
@author: luuil@outlook.com
@desc: List images name from registry
'''
 
from __future__ import print_function
import requests
import json
import traceback
 
def get_images_name(repo_ip,repo_port):
    docker_images = []
    try:
        url = "http://{repo_ip}:{repo_port}/v2/_catalog".format(repo_ip=repo_ip, repo_port=str(repo_port))
        res =requests.get(url).content.strip()
        res_dic = json.loads(res)
        images_type = res_dic['repositories']
        for i in images_type:
            url2 = "http://{repo_ip}:{repo_port}/v2/{repo_id}/tags/list".format(repo_ip=repo_ip,
                repo_port=str(repo_port),
                repo_id=str(i))
            res2 =requests.get(url2).content.strip()
            res_dic2 = json.loads(res2)
            name = res_dic2['name']
            tags = res_dic2['tags']
            for tag in tags:
                docker_name = "{repo_ip}:{repo_port}/{repo_name}:{repo_tag}".format(repo_ip=repo_ip,
                    repo_port=str(repo_port),
                    repo_name=name,
                    repo_tag=tag)
                docker_images.append(docker_name)
                print(docker_name)
    except:
        traceback.print_exc()
    return docker_images

if __name__ == '__main__':
    repo_ip = 'your/repo/ip'
    repo_port = 5000
    images = get_images_name(repo_ip, repo_port)
    print('Images count: {}'.format(len(images)))