linux-kernel - Re: [PATCH] hv/hv_kvp_daemon: Add support for keyfile config based connection profile in NM

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Date:   Mon, 6 Mar 2023 15:40:54 +0000
From:   Wei Liu <wei.liu@...nel.org>
To:     Shradha Gupta <shradhagupta@...ux.microsoft.com>
Cc:     linux-kernel@...r.kernel.org, linux-hyperv@...r.kernel.org,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        Long Li <longli@...rosoft.com>,
        Michael Kelley <mikelley@...rosoft.com>
Subject: Re: [PATCH] hv/hv_kvp_daemon: Add support for keyfile config based
 connection profile in NM

On Wed, Feb 22, 2023 at 10:22:14PM -0800, Shradha Gupta wrote:
> As communicated in BZ <2122115>, ifcfg config file support in

What is BZ <2122115>? I guess that's Red Hat's bugzilla?

I don't think this is useful information for the commit message, since
the community cannot access that ticket.

> NetworkManger is deprecated. This patch provides support for the
> new keyfile config format for connection profiles in NetworkManager.
> The patch modifies the hv_kvp_daemon code to generate the new network
> configuration in keyfile format(.ini-style format) instead of ifcfg
> format.

Okay, so the wire protocol for the KVP daemon is not changed. It is just
the intermediate file format that's changed.

> This configuration is stored in a temp file which is further translated
> using the hv_set_ifconfig.sh script. This script is implemented by
> individual distros based on the network management commands supported.
> For example, RHEL's implementation could be found here:
> https://gitlab.com/redhat/centos-stream/src/hyperv-daemons/-/blob/c9s/hv_set_ifconfig.sh
> Debian's implementation could be found here:
> https://github.com/endlessm/linux/blob/master/debian/cloud-tools/hv_set_ifconfig
> 
> The next part of this support is to inform the Distro vendors to
> modify these implementations to consume the new configuration format.
> 

I guess they will figure out the format has changed when they upgrade to
a new kernel?

Thanks,
Wei.