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81 lines
2.4 KiB
Python
81 lines
2.4 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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from typing import Optional
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class DockerImage:
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def __init__(self, name, version: Optional[str] = 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(
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reports_path, required_image, pull=True, version: Optional[str] = None
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):
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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, version)
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if image_name in images:
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docker_image.version = images[image_name]
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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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subprocess.check_output(
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f"docker pull {docker_image}",
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stderr=subprocess.STDOUT,
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shell=True,
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)
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break
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except Exception as ex:
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latest_error = 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(
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"Cannot pull dockerhub for image docker pull "
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f"{docker_image} because of {latest_error}"
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)
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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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logging.info("Looking for images file in %s", reports_path)
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return get_images_with_versions(reports_path, [image], pull, version=version)[0]
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