[chef] RE: Re: Retrieving Ohai Windows system information

[" " < >]

Thanks for that Noah,
  I've changed the code as you suggested but I'm getting errors around 'No 
method defined'.
I've got the Ohai cookbook included and I can grab the hostname and roles 
from the node with no problems.
The code I'm using is below and the error after that:
$cdskfr = node['filesystem']['c:']['kb_size']

Nodename [2014-05-12T05:00:23-04:00] FATAL: NoMethodError: undefined method 
`[]' for nil:NilClass

AS I understand it, filesystem is a plugin, not a built in function, so I 
wonder if I'm missing something with regard to loading the plugin?

Thanks
Chris

-----Original Message-----
From: Noah Kantrowitz 
[mailto:
 
 
Sent: 09 May 2014 18:06
To: 

 
Subject: [chef] Re: Retrieving Ohai Windows system information

That needs to be node['filesystem']['c:']['kb_size']. You accidentally used 
the syntax for a slice.

--Noah

On May 9, 2014, at 10:02 AM, 
"
 "
 
<
 >
 wrote:

> Good Afternoon Guys,
>   I'm pretty new to Chef but have been trialling it for a few weeks. I'm 
> running into trouble with Ohai.
> I'm trying to obtain disk size for a windows node (C drive) and free space 
> for a D: and E:
> I'm getting the below error, I'm sure it's related to the way I'm calling 
> the node info but I'm not au fait enough with chef yet to know.
> Code:
> cdskfr = node[:filesystem][c:]['kb_size'] ddskfr = 
> node[:filesystem][d:]['kb_available']
> edskfr = node[:filesystem][e:]['kb_available']
>  
> and the error I get is:
> <nodename> [2014-05-09T12:41:50-04:00] FATAL: 
> Chef::Exceptions::ImmutableAttributeModification: Node attributes are 
> read-only when you do not specify which precedence level to set. To set an 
> attribute use code like `node.default["key"] = "value"'
>  
> I've spent a lot of time googling this and can find plenty of info on how 
> to create custom plugins, but no info on how to retrieve info that is 
> clear.  This is not a custom plugin that I have written, just the usual 
> ones bundled with Chef.
> I can retrieve a hostname with Ohai with no problem.
> Any useful comments/pointers greatly appreciated.
>  
> Thanks
> Chris