Thanks Henrik for the reply, it works.
On Friday, 27 February 2015 15:19:16 UTC+1, Henrik Lindberg wrote:
>
> On 2015-25-02 15:42, Fran Rodríguez wrote:
> > Hi there,
> >
> > Some information is missing, sorry for that, this is the correct yaml:
> >
> > |
> > nodes:
> > host1:
> > ip:xxx.xxx.xxx
> > cdir:bbb.bbb.bbb
> > interface:aaa
> > host2:
> > ip:yyy.yyy.yyy
> > cdir:bbb.bbb.bbb
> > interface:aaa
> > |
> >
> > This yaml is declarated on a Foreman, we use Foreman like Hiera, and it
> > uses for a template:
> >
> > |
> > <%=@nodes[0][name]%>
> >
> IPaddr2::<%=@nodes[0]['ip']%>/<%=@nodes[0]['cidr']%>/<%=@nodes[0]['interface']-%>
>
>
> > |
> >
>
> I assume that is not working. The yaml you outline means nodes is a
> hash, it has the keys 'host1', and 'host2'. so...
>
> @nodes['host1']['ip']
>
> But, I guess that you do not know the name of the host and want to pick
> the "first". The order in a hash is undefined, so you will be picking a
> random entry - it may not be the first entry you see in the yaml because
> it may change as it is read into memory. (This depends on which version
> of ruby you are using, and what kind of processing that has been made
> internally on the particular hash).
>
> If you want to get the "first key", you could do this:
>
> key = @nodes.keys[0]
>
> and then
>
> @nodes[key]['ip']
>
> - henrik
>
> >
> > And its defined on a manifest:
> >
> > |
> > classheartbeat {
> > template_resources =>'site/heartbeat/resources.erb'
> > }
> > |
> >
> >
> > I only need the first element to apply, in this case. Thanks for the
> > fast answer.
> >
> > Cheers
> > On Wednesday, 25 February 2015 15:15:50 UTC+1, LinuxDan wrote:
> >
> > More detail is needed to answer the question.
> >
> > Here are (I hope) some helpful suggestions:
> >
> > The data you list is a hash.
> > How does one get the first "element" from a hash ?
> >
> > In what context are you trying to access the information ? Manifest
> > ? Template ? No in Puppet at all ?
> >
> > One thing that caught my eye: The top-mose key of the hash is "node"
> > while the template code says "nodes". That could be the problem.
> >
> > “Sometimes I think the surest sign that intelligent life exists
> elsewhere in the universe is that none of it has tried to contact us.”
> (Bill Waterson: Calvin & Hobbes)
> >
> >
> > On Feb 25, 2015, at 08:52 AM, Fran Rodríguez <[email protected]
> > <javascript:>> wrote:
> >
> >> Hi group,
> >>
> >> Im trying to get one element from a yaml structure which come from
> >> Foreman, the yaml is like this:
> >>
> >> node :
> >> host1 :
> >> ip : xxx . xxx . xxx
> >> host2 :
> >> ip : xxx . xxx . xxx
> >>
> >>
> >> Those parameter are used to in a template:
> >>
> >> <%= @nodes [ 0 ][ name ] %> IPaddr2:: <%= @nodes [ 0 ][ 'ip' ] %>/
> >> <%= @nodes [ 0 ][ 'cidr' ] %>/ <%= @nodes [ 0 ][ 'interface' ] - %>
> >
> >>
> >> The question is that i only need the first parameter, i tried some
> >> ways to do it but without any luck, so if someone could put me on
> >> the correct way or tell me what i would have to do.....
> >>
> >> Thanks.
> >>
> >>
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>
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>
>
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