[Vm-dev] How to restart an appveyor job?

[Ben Coman]

On 2 April 2018 at 20:32, Nicolas Cellier <
nicolas.cellier.aka.nice at gmail.com> wrote:

>
> Hi all,
> I wanted to solve the gcc compiler bug for pharo.sista.spur.
>
> But of course, there were another failure due to fragile infrastructure...
> https://ci.appveyor.com/project/OpenSmalltalk/vm/build/1.0.1207/job/
> dd3lnytbwb5jjlqa
>
> Running Install scripts
> Start-FileDownload "http://cygwin.com/setup-x86.exe" -FileName
> "setup-x86.exe"
> Start-FileDownloadInternal : Error downloading remote file: One or more
> errors occurred.
> Inner Exception: Unable to connect to the remote server
> At C:\Program Files\AppVeyor\BuildAgent\Modules\build-worker-api\build-worker-api.psm1:242
> char:2
> + Start-FileDownloadInternal -Url $Url -FileName $FileName -Timeout ...
> + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> + CategoryInfo : NotSpecified: (:) [Start-FileDownloadInternal], Exception
> + FullyQualifiedErrorId : System.Exception,Appveyor.BuildAgent.Api.Utils.
> StartFileDownloadInternalCmdlet
>
> We depend on volatile URL...
>
>
Seems quite susceptible to the ground unknowingly moving under our feet.
Actually I found it quite difficult (i.e. failed) to determine a hard link
to the version being installed.
To enhance reproduciblity, we should host our own versioned archive of the
required packages somewhere fairly permanent.

This seems pertinent...
2.2.What about an automated Cygwin installation?
If you are deploying to multiple systems, the best way is to run through a
full installation once, saving the entire downloaded package tree. Then, on
target systems, run Cygwin Setup as a "Local Install" pointed at your
downloaded package tree. You could do this non-interactively with the
command line options -q -L -l x:\cygwin-local\, where your downloaded
package tree is in x:\cygwin-local\ (see the next FAQ for an explanation of
those options.)
(https://www.cygwin.com/faq.html)

And "pmcyg" looks interesting...  "intended to support construction of
a self-contained CDROM or DVD that can be used to install or upgrade Cygwin
on computers that do not have network access to a Cygwin mirror site."
(https://sourceforge.net/projects/pmcyg/files/pmcyg/pmcyg-2.2/)
That could be stored as a versioned archive which is added to the appveyor
build cache
so its only downloaded once,  saving per job build time and
ensuring if it succeeds at the first job, all other jobs *should* succeed.

Options to host this versioned-cygwin-installer-archive (should be
somewhere fairly permanent):
* bintray
* github releases
* git large file storage
* files.opensmalltalk.org

cheers -ben
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