[chef] Re: Re: Re: Running resources & not_if { } qualifier

[Ash Berlin < >]

On 2 Dec 2010, at 15:53, Dreamcat4 wrote:
> On Thu, Dec 2, 2010 at 3:20 PM, Ash Berlin 
> <
 >
>  wrote:
>> On 2 Dec 2010, at 15:13, Dreamcat4 wrote:
>>> Hi
>>> When encountering the not_if qualifier, subsequent resource actions are 
>>> not run?
>>> 
>>> 
>>> rvm default_ruby do
>>>  action :install
>>>  not_if { default_ruby == "system" }  # <---- evaluates to 'true'
>>> end
>>> 
>>> rvm default_ruby do  # <---- this is skipped
>>>  action :set_default
>>> end
>>> 
>>> 
>>> 
>>> dreamcat4
>>> 
 
>> 
>> I suspect this is because they both have the same name. I think this will 
>> work instead:
>> 
>> rvm default_ruby do
>>  action default_ruby == "system" ? [ :install, :set_default ] : [ 
>> :set_default ]
>> end
> 
> Ah it works - thanks Ash. Heres another way:
> 
> actions = []
> actions << :install unless default_ruby == "system"
> actions << :set_default
> 
> rvm default_ruby do
> action actions
> end
> 
> So we can do it manually. Sure.
> 
> I also wonder if this is a bug in chef? Each time the array of actions
> is wiped out and overwritten. Isn't Chef meant to be smart enough to
> keep the existing actions when encountering new actions?
> 
> 
> dreamcat4
> 
 

I think its that its not creating a new resource but augmenting the existing 
one, so the second block is just changing the action for the first one (and 
keeping the not_if) since they are both "rvm default_ruby" resources.

-ash