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This is an important change, where we get remove the previous `--mount`
option, and instead opt for persistent bind-mounts.
Persistent bind mounts have several advantages:
- They make it easier to remember which folders need to be bind-mounted.
- Code is *much* less clunky, as we no longer need to generate temporary
docker-compose files.
- They allow us to bind-mount host directories *at build time* using the
buildx `--build-context` option.
- The transition from development to production becomes much easier, as
images will automatically be built using the host repo.
The only drawback is that persistent bind-mounts are slightly less
portable: when a config.yml file is moved to a different folder, many
things will break if the repo is not checked out in the same path.
For instance, this is how to start working on a local fork of
edx-platform:
tutor config save --append MOUNTS=/path/to/edx-platform
And that's all there is to it. No, this fork will be used whenever we
run:
tutor images build openedx
tutor local start
tutor dev start
This change is made possible by huge improvements in the build time
performance. These improvements make it convenient to re-build Docker
images often.
Related issues:
https://github.com/openedx/wg-developer-experience/issues/71
https://github.com/openedx/wg-developer-experience/issues/66
https://github.com/openedx/wg-developer-experience/issues/166
66 lines
2.4 KiB
Python
66 lines
2.4 KiB
Python
from __future__ import annotations
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import unittest
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from tutor import bindmount
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class BindmountTests(unittest.TestCase):
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def test_parse_explicit(self) -> None:
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self.assertEqual(
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[("lms", "/path/to/edx-platform", "/openedx/edx-platform")],
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bindmount.parse_explicit_mount(
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"lms:/path/to/edx-platform:/openedx/edx-platform"
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),
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)
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self.assertEqual(
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[
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("lms", "/path/to/edx-platform", "/openedx/edx-platform"),
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("cms", "/path/to/edx-platform", "/openedx/edx-platform"),
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],
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bindmount.parse_explicit_mount(
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"lms,cms:/path/to/edx-platform:/openedx/edx-platform"
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),
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)
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self.assertEqual(
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[
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("lms", "/path/to/edx-platform", "/openedx/edx-platform"),
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("cms", "/path/to/edx-platform", "/openedx/edx-platform"),
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],
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bindmount.parse_explicit_mount(
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"lms, cms:/path/to/edx-platform:/openedx/edx-platform"
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),
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)
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self.assertEqual(
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[
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("lms", "/path/to/edx-platform", "/openedx/edx-platform"),
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("lms-worker", "/path/to/edx-platform", "/openedx/edx-platform"),
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],
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bindmount.parse_explicit_mount(
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"lms,lms-worker:/path/to/edx-platform:/openedx/edx-platform"
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),
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)
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self.assertEqual(
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[("lms", "/path/to/edx-platform", "/openedx/edx-platform")],
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bindmount.parse_explicit_mount(
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"lms,:/path/to/edx-platform:/openedx/edx-platform"
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),
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)
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def test_parse_implicit(self) -> None:
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# Import module to make sure filter is created
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# pylint: disable=import-outside-toplevel,unused-import
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import tutor.commands.compose
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self.assertEqual(
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[
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("lms", "/path/to/edx-platform", "/openedx/edx-platform"),
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("cms", "/path/to/edx-platform", "/openedx/edx-platform"),
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("lms-worker", "/path/to/edx-platform", "/openedx/edx-platform"),
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("cms-worker", "/path/to/edx-platform", "/openedx/edx-platform"),
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("lms-job", "/path/to/edx-platform", "/openedx/edx-platform"),
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("cms-job", "/path/to/edx-platform", "/openedx/edx-platform"),
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],
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bindmount.parse_implicit_mount("/path/to/edx-platform"),
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)
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