Bah. HOSTROLEFILTER appears to do what I actually wanted... The only
docs I've found for any of this is in "cap -H", and it's still very
confusing what ROLES vs HOSTROLEFILTER actually does. I don't understand
what ROLES actually does, at all.
And HOSTROLEFILTER does what I want, but doesn't work, because....
`deploy:assets:symlink' is only run for servers matching
{:roles=>[:web], :except=>{:no_release=>true}}, but no servers matched
Becuase, yeah, I'm intentionally trying to run only against a certain
role, which is not :web. I guess that task, built into capistrano,
would have to be rewritten to do the :on_no_match=>:continue thing, or
whatever it was, which would probably be a problem for someone else.
This whole thing is a big ball of confusing mess. I wish there was an
easy way for me to say "Yeah, deploy, but ONLY to this certain role",
without rewriting a bunch of cap stuff myself, but I don't think there is.
On 12/5/2012 9:43 AM, Jonathan Rochkind wrote:
I am actually still unable to find any docs of the ROLES env variable, or "
ROLE(S)FILTER" (not even sure what that means!). Can anyone point me to the right
place?
________________________________________
From: capistrano@googlegroups.com [capistrano@googlegroups.com] on behalf of
Jonathan Rochkind [rochk...@jhu.edu]
Sent: Wednesday, December 05, 2012 9:40 AM
To: capistrano@googlegroups.com
Subject: RE: [capistrano] precompile assets task, roles
Ah, okay, I'll look around for docs. (ROLES seemed to do what I needed at
first, but clearly not! Still confused on what it does, but i'll look around,
although had trouble finding docs before, I just got it from someone elses
(misleading) blog post).
What I _want_ to do is "Run only the tasks applicable for role X, on the servers for
role X. Pretend nothing but role X exists."
Make sense? Is there no way to do it? Am I a unique snowflake, or is this a
common use case? (It seems to me like it would be common). I am indeed using
custom roles -- but I don't want to have to remember the current configuration
of which servers have which roles (nor do I neccesarily want to run ALL tasks
on that server(s), I just want the run the ones for certain roles). Is there
any way to set that up?
If not, and I'm not a unique snowflake, would the capistrano committers look
kindly on a pull request to add the feature, if I can figure out how? Any
comments on what the end-user-facing cli api should look like (since ROLES is
apparently already taken!)
________________________________________
From: capistrano@googlegroups.com [capistrano@googlegroups.com] on behalf of
Donovan Bray [donno...@gmail.com]
Sent: Tuesday, December 04, 2012 11:55 PM
To: capistrano@googlegroups.com
Subject: Re: [capistrano] precompile assets task, roles
ROLES probably doesn't do what you think it does; look at the docs for
ROLE(S)FILTER as well.
I've never found either to be useful so I avoid them like the plague.
Instead I build custom roles.
I define stages in tasks and use the server helper instead of the role helper.
On Dec 4, 2012, at 3:15 PM, Jonathan Rochkind <rochk...@jhu.edu> wrote:
Huh, actually, it looks like this IS working as expected normally...
Where it broke is when I ran:
`cap ROLES=indexer_jobs deploy`
Somehow when you tell it to only run on servers with listed role... THEN it
messes up and runs tasks that don't apply to that role on those servers too?
Maybe? Ring a bell for anyone? Is this a bug?
On 12/4/2012 6:13 PM, Jonathan Rochkind wrote:
My cap recipe for a Rails app has just grown to more than one server;
I now have a server where the source is installed (in order to then set
some rake cronjobs on that server), but it's not actually an app/web
server.
So I don't want asset precompile to run there.
But asset precompile seems to be running there anyway. Looking at the
actual code at:
https://github.com/capistrano/capistrano/blob/master/lib/capistrano/recipes/deploy/assets.rb
I'm not sure why... it looks like it should only run the
assets:precompile task on servers with role `assets_role`, which
defaults to `web`.
This server does not have the role 'web', in fact it only has one role,
one custom one I made up ("indexer_jobs")... but the assets:precompile
task seems to be triggered there anyway.
Anyone have any clues what might be going on, or suggestions for how I
can get to the bottom of this?
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