Replace grab with internal download function #5020
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kke
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Sep 23, 2024
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Maybe we need #5024 first to get the CI green here. |
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jnummelin
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This pull request has merge conflicts that need to be resolved. |
This is a simple HTTP download function that can be used to download stuff from the Internet. Special care is taken to detect and sanitize server-suggested file names. Intended to replace the dependency on grab. Signed-off-by: Tom Wieczorek <twieczorek@mirantis.com>
Signed-off-by: Tom Wieczorek <twieczorek@mirantis.com>
It may very well be a local variable instead. Signed-off-by: Tom Wieczorek <twieczorek@mirantis.com>
This makes the download process use a temporary file and atomic file replacements on success. Allows existing files to be re-downloaded, which was not possible before. On the contrary, it will re-download files even if they didn't change. Signed-off-by: Tom Wieczorek <twieczorek@mirantis.com>
Returns a context that times out after a specified period of inactivity. It provides a "keep alive" mechanism to reset the timeout based on recent activity, ensuring that the context will remain valid for as long as there is activity. Signed-off-by: Tom Wieczorek <twieczorek@mirantis.com>
Moves the private implementation from the integration tests into the regular code base. This adapter is useful from time to time. Signed-off-by: Tom Wieczorek <twieczorek@mirantis.com>
Cancel downloads whenever there's no data flowing for a certain amount of time. Use k0scontext.WithInactivityTimeout for that. Signed-off-by: Tom Wieczorek <twieczorek@mirantis.com>
This will ensure that the download will fail at some point, even if the remote server is artificially slow. Signed-off-by: Tom Wieczorek <twieczorek@mirantis.com>
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Description
This makes the download process use a temporary file and atomic file replacements on success. Allows existing files to be re-downloaded, which was not possible before. On the contrary, it will re-download files even if they didn't change. Add a very long overall timeout for Autopilot downloads. This will ensure that the download will fail at some point, even if the remote server is artificially slow. Remove logger and httpResponse fields from the downloader struct.
Introduce
internal/http.Download: A simple HTTP download function that can be used to download stuff from the Internet. It will detect and abort stale downloads as soon as the data transfer stalls for a certain amount of time. Special care is taken to detect and sanitize server-suggested file names.Add
k0scontext.WithInactivityTimeout, which returns a context that times out after a specified period of inactivity. It provides a "keep alive" mechanism to reset the timeout based on recent activity, ensuring that the context will remain valid for as long as there is activity. This is used to implement the cancellation of stale downloads.Fixes:
Type of change
How Has This Been Tested?
Checklist: