57 lines
1.5 KiB
Python
57 lines
1.5 KiB
Python
import logging
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import os
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import docker
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from restic_volume_backup.config import Config
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logger = logging.getLogger(__name__)
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def run(image: str = None, command: str = None, volumes: dict = None,
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environment: dict = None, labels: dict = None):
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logger.info("Starting backup container")
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config = Config()
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client = docker.DockerClient(base_url=config.docker_base_url)
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container = client.containers.run(
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image,
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command,
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labels=labels,
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# auto_remove=True,
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detach=True,
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environment=environment,
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volumes=volumes,
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working_dir=os.getcwd(),
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tty=True,
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)
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logger.info("Backup process container: %s", container.name)
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log_generator = container.logs(stdout=True, stderr=True, stream=True, follow=True)
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def readlines(stream):
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"""Read stream line by line"""
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while True:
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line = ""
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while True:
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try:
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line += next(stream).decode()
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if line.endswith('\n'):
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break
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except StopIteration:
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break
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if line:
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yield line.rstrip()
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else:
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break
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with open('backup.log', 'w') as fd:
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for line in readlines(log_generator):
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fd.write(line)
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fd.write('\n')
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logger.info(line)
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container.reload()
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logger.info("Container ExitCode %s", container.attrs['State']['ExitCode'])
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container.remove()
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