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Identify current host
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<4A51D275.9000...@aspgems.com>
Date: Mon, 6 Jul 2009 08:06:21 -0700
Message-ID: <be2921990907060806o150e0107qeaf20990b3b46...@mail.gmail.com>
Subject: Re: [capistrano] Re: Identify current host
From: Gary Richardson <gary.richard...@gmail.com>
To: capistrano@googlegroups.com
--0016e6409bce4f6127046e0ad980
Content-Type: text/plain; charset=ISO-8859-1
Hmm. That's odd..$CAPISTRANO:HOST$ wasn't working for me on Friday. Must be
them gremlins.
Is there another variable I can use to get the current host in the ruby
code? This is what I'm trying to do:
task :bootstrap, :roles => [:master] do
# instanceids is an array containing hostname => instanceid
id = instanceids["$CAPISTRANO:HOST$"]
run "register_host -H $CAPISTRANO:HOST$ -s #{id}"
end
Obviously, $CAPISTRANO:HOST$ doesn't interpolate on the id = instanceids[]
line.
Thanks!
On Mon, Jul 6, 2009 at 3:31 AM, Rafael G. <r...@aspgems.com> wrote:
>
> Gary Richardson wrote:
> > Hey,
> >
> > Two part question that I haven't been able to answer:
> >
> > 1) can I get the current host a task is executing on? I've read some
> > stuff about $CAPISTRANO:HOST$, but it doesn't seem to work for me
> I tested this task and works for me:
>
> task :host_name do
> run "host $CAPISTRANO:HOST$"
> end
>
> What OS are you using? Could you paste your deploy.rb in
> someplace(gist.github, pastie,...)?
>
> > 2) if I have an array of values (let's say an array that maps ec2 host
> > names to ec2 instance id's), can I use this same method to look up
> > something from that array?
> Capistrano uses ruby If you can do it with ruby you can do the same in a
> capistrano task.
>
> --
> Rafa
>
>
> >
>
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Hmm. That's odd..$CAPISTRANO:HOST$ wasn't working for me on Friday.=
Must be them gremlins.<div><br></div><div>Is there another variable I can =
use to get the current host in the ruby code? This is what I'm trying t=
o do:</div>
<div><br></div><div><div>=A0=A0task :bootstrap, :roles =3D> [:master] do=
</div><div>=A0=A0 =A0 =A0 =A0# instanceids is an array containing hostname =
=3D> instanceid</div><div><span class=3D"Apple-tab-span" style=3D"white-=
space:pre"> </span>id =3D instanceids["$CAPISTRANO:HOST$"]</div>
<div><span class=3D"Apple-tab-span" style=3D"white-space:pre"> </span>run &=
quot;register_host -H $CAPISTRANO:HOST$ -s #{id}"</div><div>=A0=A0end<=
/div><div><br></div>Obviously,=A0$CAPISTRANO:HOST$=A0doesn't=A0interpol=
ate=A0on the id =3D instanceids[] line.</div>
<div><br></div><div>Thanks!</div><div><br><div class=3D"gmail_quote">On Mon=
, Jul 6, 2009 at 3:31 AM, Rafael G. <span dir=3D"ltr"><<a href=3D"mailto=
:r...@aspgems.com">r...@aspgems.com</a>></span> wrote:<br><blockquote clas=
s=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;pad=
ding-left:1ex;">
<div class=3D"im"><br>
Gary Richardson wrote:<br>
> Hey,<br>
><br>
> Two part question that I haven't been able to answer:<br>
><br>
> 1) can I get the current host a task is executing on? I've read so=
me<br>
> stuff about $CAPISTRANO:HOST$, but it doesn't seem to work for me<=
br>
</div>I tested this task and works for me:<br>
<br>
=A0 =A0task :host_name do<br>
=A0 =A0 =A0 =A0run "host $CAPISTRANO:HOST$"<br>
=A0 =A0end<br>
<br>
What OS are you using? Could you paste your deploy.rb in<br>
someplace(gist.github, pastie,...)?<br>
<div class=3D"im"><br>
> 2) if I have an array of values (let's say an array that maps ec2 =
host<br>
> names to ec2 instance id's), can I use this same method to look up=
<br>
> something from that array?<br>
</div>Capistrano uses ruby If you can do it with ruby you can do the same i=
n a<br>
capistrano task.<br>
<br>
--<br>
Rafa<br>
<br>
<br>
<br>
</blockquote></div><br></div>
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