Good info thanks.
On 12/13/2011 11:34 AM, Samuli Seppänen wrote:
Hi,
I am using the Python AWS library, boto:
http://code.google.com/p/boto/
I have extended the EC2 instance stuff to create a node class, and I
put in some basic code that allows you to run commands on the remote
server through SSH. Needless to say, I think fabric is much more
sophisticated in this area, and I would like to leverage it's command
running abilities.
Is there a preferred way to tie into the API without using the
command line constructs?
Thanks,
Brad
Cloud Engineer
Hi Brad,
I've been using Boto + Fabric + glue code to setup relatively large
performance test environments (1 server, 20-100 clients). Take a look
here:
<https://community.openvpn.net/openvpn/wiki/PerformanceTesting#Deployingclients>
Some parts of the code you could perhaps use for your own needs. Note
that the code would need an upgrade to Fabric 1.3.x and a later
version of Boto. This would make it less complex by
- removing the thread wrapper (configurer.py) around "fab" command
- allowing filtering of EC2 instances by tags instead of the current
hackish "userData"-based filtering
Essentially you'd just need to launch the VMs using Boto, wait until
they're online (in my case, launcher_ec2.py) and then generate
env.hosts based on that. Then all is needed to call "fab" with that
env.hosts list should do the trick. If you got tons of servers to
configure, the @parallel task decorator will help.
Samuli
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