[chef] Re: RE: Re: docker cookbook and idempotency

[Daniel DeLeo < >]

On Tuesday, September 1, 2015 at 7:25 AM, Kevin Keane Subscription wrote:
> RE: [chef] Re: docker cookbook and idempotency  
> Yeah, I kinda thought that it would be difficult to implement idempotency.
>  
> I'm not sure the build_if_missing would work, because of resource ordering. 
> If I understand you correctly, you are suggesting something like this:
>  
>  
>  
>  
> docker_image "myimage do
>  
>  
> action :build_if_missing
> end
>  
> remote_directory "/tmp/mydockercontext" do
>  
> notifies :build, "docker_image[myimage]"
> end
> But with this order, the docker image would be built before the context is 
> set up.
> Reversing the order of the resources would break the notification, because 
> you cannot notify resources that come later in the recipe. Or am I mistaken 
> about that?

That used to be the case a really long time ago, but it’s supported on any 
version of Chef that you’re likely to be using.
  
> Kevin Keane
> The NetTech




--  
Daniel DeLeo