Email based retests for the Loongarch lab

[zhoumin]

Hi Patrick Robb,

Thanks for you efforts on retest framework! The get_reruns.py script is 
really helpful. We will support the rebase argument this week.

On 2025/6/12 5:05AM, Patrick Robb wrote:
> Hi Min Zhou,
>
> Thanks for the response and for getting some retest support online! I 
> agree the next reasonable steps are to continue to align out 
> processes, in part so that the lab behavior is predictable according 
> to what is documented on dpdk.org 
> <https://mailgw.loongson.cn/linkserver?dest=http%3A%2F%2Fdpdk.org&tid=_____8AxfeHf8EloUBoUAQ--.8230S3&rcpt=zhoumin@loongson.cn&ifnotice=1&rindex=0>. 
>
>
> On Sat, Jun 7, 2025 at 8:50 PM zhoumin <zhoumin at loongson.cn 
> <mailto:zhoumin at loongson.cn>> wrote:
>
>     Yes, we don't support the rebase argument. Meanwhile, for the sake
>     of simplicity, the rechecking behavior at Loongson lab is a little
>     different from the default behavior. we recheck the patches on the
>     latest HEAD of the branch selected by pw_maintainers_cli.py
>     script. This behavior is same to that of the first testing for the
>     commit at Loongson lab. It's ok to be consistent with the defualt
>     behavior. Maybe we can support both it and rebase argument after
>     you have synced some infrastructures.
>
> Good point, we need to make sure the support for the rebase={branch} 
> argument is integrated into the get_reruns.py script in dpdk-ci. The 
> UNH team made that addition and it is available for patch review: 
> https://patchwork.dpdk.org/project/ci/patch/20250611205849.72165-1-probb@iol.unh.edu/
>
> Maybe you can apply it, give it a run and add a tested by tag to the 
> patch if it is working for you?
Yes, I have tested it and it is working for me. This patch has a little 
changes in the inputs and outputs to get_reruns.py, and I need to make 
corresponding changes to our current implementation of retest.
> In order to make sure it was working I submitted a placeholder 
> loongson recheck request with the rebase argument (requesting the main 
> branch) included on the DPDK mailing list. Right now if I run the 
> script with the following args it produces this json:
>
> python3 tools/get_reruns.py -ts 2025-06-10 --contexts 
> loongarch-compilation
>
> output json:
>
> {
>     "retests": {
>         "34851": {
>             "contexts": [
>                 "loongarch-compilation"
>             ],
>             "arguments": {
>                 "rebase": "main"
>             }
>         }
>     },
>     "last_comment_timestamp": "2025-06-11T20:29:39.327426"
> }
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