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67 lines
2.2 KiB
Python
67 lines
2.2 KiB
Python
#!/usr/bin/env python3
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import os
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import json
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import time
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import subprocess
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import logging
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class DockerImage:
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def __init__(self, name, version=None):
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self.name = name
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if version is None:
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self.version = 'latest'
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else:
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self.version = version
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def __str__(self):
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return f"{self.name}:{self.version}"
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def get_images_with_versions(reports_path, required_image, pull=True, version=None):
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images_path = None
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for root, _, files in os.walk(reports_path):
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for f in files:
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if f == 'changed_images.json':
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images_path = os.path.join(root, 'changed_images.json')
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break
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if not images_path:
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logging.info("Images file not found")
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else:
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logging.info("Images file path %s", images_path)
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if images_path is not None and os.path.exists(images_path):
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logging.info("Images file exists")
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with open(images_path, 'r', encoding='utf-8') as images_fd:
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images = json.load(images_fd)
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logging.info("Got images %s", images)
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else:
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images = {}
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docker_images = []
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for image_name in required_image:
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docker_image = DockerImage(image_name)
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if image_name in images:
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docker_image.version = images[image_name]
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if version is not None:
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docker_image.version = str(version)
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docker_images.append(docker_image)
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if pull:
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for docker_image in docker_images:
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for i in range(10):
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try:
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logging.info("Pulling image %s", docker_image)
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latest_error = subprocess.check_output(f"docker pull {docker_image}", stderr=subprocess.STDOUT, shell=True)
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break
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except Exception as ex:
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time.sleep(i * 3)
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logging.info("Got execption pulling docker %s", ex)
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else:
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raise Exception(f"Cannot pull dockerhub for image docker pull {docker_image} because of {latest_error}")
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return docker_images
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def get_image_with_version(reports_path, image, pull=True, version=None):
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return get_images_with_versions(reports_path, [image], pull, version=version)[0]
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