Puppet users - Aug 2011 - setting the hostname automatically of EC2 puppet clients

I have 3 environments A,B,C.
I am using runurl (http://agiletesting.blogspot.com/2009/09/
bootstrapping-ec2-images-as-puppet.html) to install puppet
automatically as a new EC2 instance is started and connecting it
automatically to the server. But the server is not aware of this new
instance trying to connect so for that I want that I can configure the
hostname of this new instance so that when it connects to the puppet
server, based on its hostname puppet server knows which modules should
be installed on this client.

Please help me guys.

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If you are on ubuntu the I understand that you could set the hostname
using cloud-init like explained here:
https://help.ubuntu.com/community/CloudInit

On Aug 2, 5:15 pm, newguy <aimanparv...@gmail.com>
wrote:
> I have 3 environments A,B,C.
> I am using runurl (http://agiletesting.blogspot.com/2009/09/
> bootstrapping-ec2-images-as-puppet.html) to install puppet
> automatically as a new EC2 instance is started and connecting it
> automatically to the server. But the server is not aware of this new
> instance trying to connect so for that I want that I can configure the
> hostname of this new instance so that when it connects to the puppet
> server, based on its hostname puppet server knows which modules should
> be installed on this client.
>
> Please help me guys.
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On 3 August 2011 03:14, edovale <edovale@gmail.com> wrote:
> If you are on ubuntu the I understand that you could set the hostname
> using cloud-init like explained here:
> https://help.ubuntu.com/community/CloudInit

It''s also possible to use cloud-init on EL based distros, as seen in
the
Amazon Linux AMI. I have patches for vanilla cloud-init on CentOS/RHEL that
I might tidy up and release if there''s interest.

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Thanks guys but I edited the script mentioned in
http://www.google.com/url?sa=D&q=http://agiletesting.blogspot.com/2009/09/
to change the hostname of the new EC2, heres what am doing:

am bootstrapping EC2 images as puppet clients and am using runurl to
call a script which installs puppet,

This is my script with runurl

cat <<EOL > /etc/hosts
127.0.0.1  abcd.local.com localhost.localdomain abcd.local.com
10.1.1.1 puppet

# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
EOL
hostname abdc
$check=envt
wget -qO/usr/bin/runurl run.alestic.com/runurl
chmod 755 /usr/bin/runurl
runurl puppet/init_puppet/init_puppet/  $check

$check contains the value of the environment to which this client
belongs.

On the web server init_puppet is as follows:
apt-get -y install puppet

wget -qO/etc/puppet/puppet.conf http://10.1.1.1/init_puppet/puppet.conf

/etc/init.d/puppet restart
puppetd --test --waitforcert 65 --$2

$2 should contain the environement.

This is working fine except for the fact that am unable to pass the
environment value to my script on the webserver, any help on that
would be appreciated.

Thanks


 On Aug 3, 2:13 am, Dan Carley <dan.car...@gmail.com>
wrote:
> On 3 August 2011 03:14, edovale <edov...@gmail.com> wrote:
>
> > If you are on ubuntu the I understand that you could set the hostname
> > using cloud-init like explained here:
> >https://help.ubuntu.com/community/CloudInit
>
> It''s also possible to use cloud-init on EL based distros, as seen
in the
> Amazon Linux AMI. I have patches for vanilla cloud-init on CentOS/RHEL that
> I might tidy up and release if there''s interest.
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