images.py

import sys
import json
import os


images = []


def get_images(path):
    local_images = []
    with open(path) as f:
      data = json.load(f)
      i = 0
      for item in data['parameters']:
        v = item.get('value', '')
        if v.startswith('docker.io'):
          local_images.append('%s:%s' % (v, data['parameters'][i + 1]['value']))
        i = i + 1
    return local_images


def merge(template_images):
    for image in template_images:
        if not image in images:
            images.append(image)


for path in os.listdir('./generated'):
    if path.endswith('.json'):
        template_images = get_images('./generated/%s' % path)
        merge(template_images)

for image in images:
    print 'docker pull %s' % image
print ''