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Always pull the base container image (alpine:latest) before building our own container image. Else, in an environments that we haven't touched for a while, an older image may be used.
60 lines
1.2 KiB
Python
60 lines
1.2 KiB
Python
import gzip
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import os
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import subprocess
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def main():
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print("Building container image")
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subprocess.run(
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[
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"docker",
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"build",
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"--pull",
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"dangerzone/",
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"-f",
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"Dockerfile",
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"--tag",
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"dangerzone.rocks/dangerzone:latest",
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]
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)
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print("Saving container image")
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cmd = subprocess.Popen(
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[
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"docker",
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"save",
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"dangerzone.rocks/dangerzone:latest",
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],
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stdout=subprocess.PIPE,
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)
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print("Compressing container image")
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chunk_size = 4 << 12
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with gzip.open("share/container.tar.gz", "wb") as gzip_f:
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while True:
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chunk = cmd.stdout.read(chunk_size)
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if len(chunk) > 0:
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gzip_f.write(chunk)
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else:
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break
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cmd.wait(5)
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print("Looking up the image id")
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image_id = subprocess.check_output(
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[
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"docker",
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"image",
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"list",
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"--format",
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"{{.ID}}",
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"dangerzone.rocks/dangerzone:latest",
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],
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text=True,
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)
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with open("share/image-id.txt", "w") as f:
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f.write(image_id)
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if __name__ == "__main__":
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main()
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