Experimental managed transport for libgit2 operations #606
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So far manual tests seem to be working as expected. Tests used github for SSH and auth-less HTTPS, and Azure DevOps for HTTPS with basic auth. |
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Happy with the direction this is headed at for experimental introduction. Couple of things I would like to see:
On an additional note, and as already mentioned on Slack. The introduction of this opens up the discussion if we do want to leverage the same trick for |
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libgit2 network operations are blocking and do not provide timeout nor context capabilities, leading for several reports by users of the controllers hanging indefinitely. By using managed transport, golang primitives such as http.Transport and net.Dial can be used to ensure timeouts are enforced. Co-Authored-by: Sunny <[email protected]> Signed-off-by: Paulo Gomes <[email protected]>
Signed-off-by: Paulo Gomes <[email protected]>
Signed-off-by: Paulo Gomes <[email protected]>
The initial implementation was based off upstream, which cause an initial request to fail, and only then the credentials would be added into the request. Signed-off-by: Paulo Gomes <[email protected]>
Signed-off-by: Paulo Gomes <[email protected]>
Signed-off-by: Paulo Gomes <[email protected]>
Signed-off-by: Paulo Gomes <[email protected]>
For backwards compatibility, support for HTTP redirection is enabled when targeting the same host, and no TLS downgrade took place. Signed-off-by: Paulo Gomes <[email protected]>
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libgit2network operations are blocking and do not provide timeout nor context capabilities, leading to users reporting that source-controller can hang indefinitely.By using managed transport, golang primitives such as http.Transport and net.Dial can be used to ensure timeouts are enforced.
This will initially be guarded behind a feature switch via environment variable
EXPERIMENTAL_GIT_TRANSPORT.Fixes: #402
This has been also tested against IAC and should fix fluxcd/image-automation-controller#286 and fluxcd/image-automation-controller#282. The tested were based off fluxcd/image-automation-controller#325 - thanks @darkowlzz.
This work should be followed-up by fluxcd/pkg#245, to consolidate the git implementation code and have it extracted away from the controllers.