[chef] Re: Calling Chef::Knife::Ssh directly(?)

[Noah Kantrowitz < >]

You might want to look in to Fabric+PyChef for this, it is actually  
made for the task :-)

--Noah

On Jun 1, 2011, at 10:29 AM, Miles, Ken wrote:

> Folks,
>
> I am investigating switching some of our Ruby scripts from using the
> 'system' function to calling the Chef libraries directly and am not
> having much success.  My latest error is:
>
> /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/lib/chef/rest/ 
> auth_credentials.rb:41:
> in `signature_headers': Cannot sign the request without a client name,
> check that :node_name is assigned (ArgumentError)
>
> Below is a code snippet.
>
>  query = "role:#{role}"
>  knife_ssh = Chef::Knife::Ssh.new()
>  knife_ssh.config[:config_file] = conf_file
>  knife_ssh.config[:identity_file] = params["private_key"]
>  knife_ssh.config[:node_name] = ENV['HOSTNAME']
>  knife_ssh.config[:client_name] = ENV['HOSTNAME']
>  cmd_line = "hostname -f"
>  knife_ssh.name_args = [query, cmd_line]
>  sys_status =  knife_ssh.run
>
> What am I doing wrong here?
>
> Thanks,
>
> Ken Miles
>
>