[chef] Re: Re: Re: Re: edit a prop file using chef

[KC Braunschweig < >]

Folks often have a strong desire for this and several methods have
been mentioned. I'll just say that keeping this type of thing
idempotent is deceivingly difficult. You really don't want to go down
this road if you can possibly avoid it.

KC

On Thu, Jun 14, 2012 at 11:16 AM, Juanje Ojeda Croissier
<
 >
 wrote:
> On Thu, Jun 14, 2012 at 6:18 PM, Eric Jain 
> <
 >
>  wrote:
>> There is no "append these lines if they are not present" function?
>>
>
> Yes:
>
> http://rubydoc.info/gems/chef/0.10.10/Chef/Util/FileEdit#insert_line_if_no_match-instance_method
>
> insert_line_if_no_match(regex, newline)
>
> Well, it checks line by line, not a few lines, though.
>
>> On Thu, Jun 14, 2012 at 7:13 AM, Bryan Baugher 
>> <
 >
>>  wrote:
>>> Chef does not have this functionality directly or in the form of a 
>>> resource.
>>> One option could be to read in the file, parse the contents and then 
>>> output
>>> the 'new' file (with your changes) using a template resource[1]. There are
>>> also things like this[2] in chef that could help.
>>>
>>> Though a Chef purist would probably say that you shouldn't be relying on
>>> configuration already set on the system itself and that you should let 
>>> chef
>>> control the whole file (chef is the source/messenger of truth). So you 
>>> would
>>> either let your cookbook control the file or (if the property file is
>>> outside the scope of your application/cookbook) let the correct cookbook
>>> control the file and provide a means to inject/edit the properties through
>>> that cookbook.
>>>
>>> [1] - http://wiki.opscode.com/display/chef/Resources#Resources-Template
>>> [2] - http://rubydoc.info/gems/chef/0.10.10/Chef/Util/FileEdit
>
>
>
> --
> Juanje
>
> http://about.me/juanje