Hi Kevin, I've created some kind of wrapper around CF templates too. It is too immature (and ugly) to open source it, but I think it has some nice features, like Ref checking, templating for userdata and schema validation of the CF resources via Prismatic Schema.
Can you elaborate on what kind of features you would like to support? Are you just deciding on DSL syntax or do you have already some kind of Clojure layer working? About the DSL, in the end I decided to stick closer to the CF syntax to avoid confusion and documentation mismatches. So for instance, all my parameters for a CF resource are CamelCase. One of the most important features for me is the validation on missing fields and Reference checking. If you are interested in collaborating in this, please let me know. Cheers, Jeroen On Tue, Nov 26, 2013 at 9:11 AM, Kevin Bell <kevin.a.b...@gmail.com> wrote: > Hey Craig, > > Thanks for the input. Forgive my naiveté, but I gather you're implying > that the DSL-ishness is desirable? That makes sense, and it seems to be > inline with what I'm learning about the lisp mindset. > > You're suggestion is actually a lot more like an option that I was > considering but didn't do because it seemed to depart from things like > project.clj that I was emulating. But it might actually make sense to take > it a step further to make the scoping within CloudFormation templates more > explicit. > > I updated my gist with an even more DSL-like concept: > https://gist.github.com/bellkev/7653342 > > > On Monday, November 25, 2013 11:49:20 PM UTC-8, Craig wrote: >> >> >> I don't know much about CF templates, but stripping some detail from your >> middle fragment moves further from data and to a DSL: >> >> (deftemplate my-template >> :aws-template-format-version "2010-09-09" >> :description "My description" >> >> (param my-parameter :type :string :description "My string parameter") >> >> (mapping my-mapping >> :first-level-key-one {:second-level-key-one "Value"} >> :first-level-key-two {:second-level-key-two "Another Value"}) >> >> (condition my-condition (not my-parameter)) >> (condition my-second-condition (= (-> my-mapping :first-level-key-one >> :second-level-key-one) my-parameter)) >> >> (resource my-instance aws.ec2/instance :image-id "ami-79fd7eee") >> >> (output my-first-output (:instance-type my-instance)) >> (output my-second-output my-parameter)) >> >> Craig >> >> >> On Tuesday, November 26, 2013 3:41:29 PM UTC+11, Kevin Bell wrote: >>> >>> Hey folks, I'm working on a tool to enable the generation of AWS >>> CloudFormation templates using a Clojure-based syntax kind of like >>> leiningen's project.clj. I'm working on how the syntax should look to be >>> most clojurey, and I wonder if anyone has some input: >>> https://gist.github.com/bellkev/7653342<https://www.google.com/url?q=https%3A%2F%2Fgist.github.com%2Fbellkev%2F7653342&sa=D&sntz=1&usg=AFQjCNF5RUFgHxpojQ1x0EPxJFQ09ibA3A> >>> >>> I should add that I'm very new to Clojure and using this project as an >>> opportunity to learn more about the language internals. So please forgive >>> any particularly non-idiomatic Clojure... >>> >>> Thanks!! >>> >> -- > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en > --- > You received this message because you are subscribed to the Google Groups > "Clojure" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to clojure+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > -- -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
