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Updating the OVS Windows Binaries

Antrea ships a zip archive with OVS binaries for Windows. The binaries are hosted on the antrea.io website and updated as needed. This file documents the procedure to upload a new version of the OVS binaries. The archive is served from AWS S3, and therefore access to the Antrea S3 account is required for this procedure.

We assume that you have already built the OVS binaries (if a custom built is required), or retrieved them from the official OVS build pipelines. The binaries must be built in Release mode for acceptable performance.
Name the zip archive appropriately: ovs-<OVS VERSION>[-antrea.<BUILD NUM>]-win64.zip
- the format for <OVS VERSION> is <MAJOR>.<MINOR>.<PATCH>, with no v prefix.
- the -antrea.<BUILD NUM> component is optional but must be provided if this is not the official build for the referenced OVS version. <BUILD NUM> starts at 1 and is incremented for every new upload corresponding to that OVS version.
Generate the SHA256 checksum for the archive.
- place yourself in the directory containing the archive.
- run sha256sum -b <NAME>.zip > <NAME>.zip.sha256, where <NAME> is determined by the previous step.
Upload the archive and SHA256 checksum file to the ovs/ folder in the downloads.antrea.io S3 bucket. As you upload the files, grant public read access to them (you can also do it after the upload with the Make public action).
Validate both public links:
- https://downloads.antrea.io/ovs/<NAME>.zip
- https://downloads.antrea.io/ovs/<NAME>.zip.sha256
Update the Antrea Windows documentation and helper scripts as needed, e.g. hack/windows/Install-OVS.ps1.