Add pip cache cleanup to pip-and-virtualenv
The pip-and-virtualenv element provides pip inside the created images. When this pip is used inside the chroot of the image it, by default, creates a cache directory with the http packages and the resulting wheels. In the case of the octavia ubuntu-minimal image this cache is using ~50MB of cache that is not needed after the image finished building. This package creates a finalise.d task that removes the cache from the default location. Change-Id: I4715437b068d04993ef755bd1e27963db1d22417
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#!/bin/bash
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if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
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set -x
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fi
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set -eu
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set -o pipefail
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# TODO(johnsom) Fix this when https://github.com/pypa/pip/issues/4685 is
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# available.
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if [ "${DIB_DISABLE_PIP_CLEANUP:-0}" != "1" ]; then
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rm -rf ~/.cache/pip
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fi
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