[Ovmsdev] OTA Automatic updates (middle of the night)

[Mark Webb-Johnson]

Writing the code last night, it seemed that the shutting down of wifi/simcom/etc was messy.

Perhaps we need to have new signals “ShuttingDown” and “ShutDown”, then make the components responsible for this? So, for example, wifi powers off, server v2 disconnects, logging stops logging to SD, etc, on “ShuttingDown”. Then SD unmounts on “ShutDown”.

A better solution?

Regards, Mark.

> On 30 Apr 2018, at 6:31 AM, Michael Balzer <dexter at expeedo.de> wrote:
> 
> Attention: performing an AutoFlash just killed my SD filesystem.
> 
> Possibly just by chance and I was lucky all the reboots before, but I think we really need to close all SD files before reboot -- see issue #97.
> 
> FYI: the SD could be restored by a simple fsck, no data loss. My Linux system also could mount the SD before the fsck. The module was stuck in the mount attempt.
> 
> Regards,
> Michael
> 
> 
> Am 29.04.2018 um 16:39 schrieb Mark Webb-Johnson:
>> 
>> The last piece of the puzzle falls into place.
>> 
>> OVMS# config set auto ota yes
>> OVMS# config set ota auto.hour 2
>> 
>> Module will wake up sometime between 2am and 3am, and if wifi is available it will check the available server version (according to OTA tag and server url). If the server has a later version, the module will download and flash that new version then reboot into it.
>> 
>> I’ve also brought in the strverscmp function for GNU library, which is generally useful for comparing versions.
>> 
>> Enjoy.
>> 
>> Regards, Mark.
>> 
>>> Begin forwarded message:
>>> 
>>> From: GitHub <noreply at github.com <mailto:noreply at github.com>>
>>> Subject: [openvehicles/Open-Vehicle-Monitoring-System-3] 1a4301: Bring in GNU strverscmp component, and test comman...
>>> Date: 29 April 2018 at 10:23:54 PM HKT
>>> To: mark at webb-johnson.net <mailto:mark at webb-johnson.net>
>>> Reply-To: GitHub <noreply at github.com <mailto:noreply at github.com>>
>>> 
>>>  Branch: refs/heads/master
>>>  Home:   https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3 <https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3>
>>>  Commit: 1a4301d7ca1c7ed619109dfcb2e832a599af7dda
>>>      https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/commit/1a4301d7ca1c7ed619109dfcb2e832a599af7dda <https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/commit/1a4301d7ca1c7ed619109dfcb2e832a599af7dda>
>>>  Author: Mark Webb-Johnson <mark at webb-johnson.net <mailto:mark at webb-johnson.net>>
>>>  Date:   2018-04-29 (Sun, 29 Apr 2018)
>>> 
>>>  Changed paths:
>>>    A vehicle/OVMS.V3/components/strverscmp/component.mk
>>>    A vehicle/OVMS.V3/components/strverscmp/src/strverscmp.c
>>>    A vehicle/OVMS.V3/components/strverscmp/src/strverscmp.h
>>>    M vehicle/OVMS.V3/main/test_framework.cpp
>>> 
>>>  Log Message:
>>>  -----------
>>>  Bring in GNU strverscmp component, and test command
>>> 
>>> 
>>>  Commit: 58fa1b57448d3491889e3d1d3f487e475d036c92
>>>      https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/commit/58fa1b57448d3491889e3d1d3f487e475d036c92 <https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/commit/58fa1b57448d3491889e3d1d3f487e475d036c92>
>>>  Author: Mark Webb-Johnson <mark at webb-johnson.net <mailto:mark at webb-johnson.net>>
>>>  Date:   2018-04-29 (Sun, 29 Apr 2018)
>>> 
>>>  Changed paths:
>>>    M vehicle/OVMS.V3/components/ovms_ota/src/ovms_ota.cpp
>>>    M vehicle/OVMS.V3/components/ovms_ota/src/ovms_ota.h
>>> 
>>>  Log Message:
>>>  -----------
>>>  AutoFlash implementation:
>>> Config auto[ota]=yes
>>> Config ota[auto.hour]=2
>>> 
>>> 
>>> Compare: https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/compare/87d80c30825b...58fa1b57448d <https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/compare/87d80c30825b...58fa1b57448d>
>> 
>> 
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> 
> -- 
> Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
> Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
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