[chef] Re: Retrieving Ohai Windows system information

[Noah Kantrowitz < >]

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

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