- From: Dreamcat4 <
>
- To:
- Subject: [chef] Re: Re: Re: Using arrays in templates
- Date: Sat, 31 Jul 2010 08:03:06 +0100
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Hi,
Look over here
http://dreamcat4.github.com/plist4r/frames.html?http://dreamcat4.github.com/plist4r/Plist4r/OrderedHash.html
http://github.com/dreamcat4/plist4r/blob/master/lib/plist4r/mixin/ordered_hash.rb
On Sat, Jul 31, 2010 at 3:20 AM, Sig Lange
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wrote:
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I'm no ruby expert, but It's worth pointing out that ordering of a Hash is
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undefined. So the array-in-array approach works well if you intend to have
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exact order in and out... which you likely do.
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>
Perhaps someone with more ruby knowledge can demonstrate a ordered hash.
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>
~ Sig
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>
On Thu, Jul 29, 2010 at 3:51 PM, Adam Jacob
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<
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wrote:
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>
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> On Wed, Jul 28, 2010 at 4:50 AM, FX
>
> <
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>
> wrote:
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> > Hi,
>
> >
>
> > I have a question about templates and the correct syntax.
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> > I have an array which contains the following data:
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> >
>
> > "name1","description of name1"
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> > "name2","description of name2"
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> > ...
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> > "nameN","description of nameN"
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> >
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> > This array needs to be stored as an attribute of a role or node (so
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> > that it can be overridden)
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> >
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> > I assume it could look something like this:
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> >
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> > "host":[["name1","description of name1"],["name2","description of
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> > name2"]]
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>
>
> This should be a hash, not an array - you have a "name" value, which
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> should be the key, and the descirption is a value.
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>
>
> > Now the problem (at least for me) is how do I specify this in the
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> > template?
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> >
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> > I have tried this (I assume it does not work because it needs to have
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> > a object and not array):
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> >
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> > <% @host.each do |h| %>
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> > <%= host[0] %> <%= host[1]%>
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> > <% end %>
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>
>
> This is the right syntax - you need to have <%= h[0] %> and <%= h[1]
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> %>, since that's the variable you create on iteration.
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>
>
> Adam
>
> --
>
> Opscode, Inc.
>
> Adam Jacob, CTO
>
> T: (206) 508-7449 E:
>
>
>
>
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