Re: [mh] MQTT Not Reliable

Thanks. I have a pretty similar setup which has proven to be well worth it.

I ended up making many other changes over the weekend and didn't update the
MH version, Overall I think the changes will make the upgrade easier. My
spaghetti coe needs more cleaning. :)


On Sat, Sep 9, 2023 at 1:19 PM Brian M <[email protected]>
wrote:

> Here's an idea I use ...
>
> When I launch MH, I launch $HOME/mh/bin/mh. So $Pgm_Root is $HOME/mh/bin.
> My local code (e.g. code_dir, data_dir, in mh.ini terminology) point to
> $HOME/local/code, $HOME/local/data, etc. Specifically, they're not under
> $HOME/mh.
>
> Here's the trick, $HOME/mh isn't really a directory -- it's a symbolic
> link to $HOME/mh-prod.  Then if I needed to do a major upgrade like you do,
> I'd do the following:
> 1) Copy $HOME/mh-prod to $HOME/mh-new.
> 2) Run "git pull" to update all the code in $HOME/mh-new
> 3) Change the symbolic link to point to $HOME/mh-new.
>
> That way, I can easily fall back (temporarily or permanently) just by
> moving the symbolic link back. If it takes a couple of days to get things
> straight, I can still have normal house operations when I'm not working on
> it.
>
> I also use this if I'm developing major MH code modifications. (Well, the
> one time I did.) Obviously MH needs to be down while I'm moving the
> symbolic link pointer, but it's very handy to be able to just flip back and
> forth between production and test modes.
>
> There's a lot of good stuff in the last 7 hears. Good luck.
>
>                                                       -Brian M
>
> On 9/9/23 08:43, Stephen Switzer wrote:
>
> I'm thinking of updating my MH code today and I started to look at the GIT
> branch on my MH server... Well!! It appears that I haven't updated anything
> since 2016!
>
> root@avalanche:/opt/mh# git log
> commit c903c9012d1b86fcd45a6cb61e21e6f88a0c40a2 (HEAD -> running,
> origin/running)
> Author: Pmatis <[email protected]>
> Date:   Sun Sep 18 13:14:05 2016 -0400
>
>     update running code
>
> I can foresee breaking ALL kinds of things by merging in master 7 years
> later! Not for the faint of heart, so I have to brace myself. LOL
>
> At least it's been really stable, except for my recent MQTT woes!
>
> Steve
>
>
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-- 

Best regards,
Steve Switzer

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