El lunes, 6 de octubre de 2014 20:29:05 UTC-3, Henrik Lindberg escribió:
>
> On 2014-06-10 20:47, Ciro Iriarte wrote:
> >
> >
> > El lunes, 6 de octubre de 2014 10:52:05 UTC-3, jcbollinger escribió:
> >
> >
> >
> > On Sunday, October 5, 2014 5:55:55 PM UTC-5, Ciro Iriarte wrote:
> >
> > Hi!, I'm starting to work with hiera and file templates, how
> > would be the best way to transform this hiera output:
> >
> > myanycast::bird::ospf:
> > myinstance:
> > tick: 2
> > rfc1583compat: 'yes'
> > export: 'all'
> > area:
> > 990:
> > stub: 'no'
> > interface:
> > eth0:
> > hello: 10
> > retransmit: 6
> > cost: 10
> > transmit_delay: 5
> > dead_count: 5
> > dead: 40
> > wait: 50
> > type: 'broadcast'
> >
> > To this in the final configuration file using templates?:
> >
> > protocol ospf myinstance:
> > tick 2;
> > yes;
> > export all;
> > area 990 {
> > stub no;
> > interface "eth0" {
> > hello 10;
> > retransmit 6;
> > cost 10;
> > transmit delay 5;
> > dead count 5;
> > dead 40;
> > wait 50;
> > type broadcast;
> > };
> > };
> > }
> >
> > There can be many areas per instance, and many interfaces per
> area.
> >
> >
> >
> > If you haven't already, you should read the documentation
> > <https://docs.puppetlabs.com/guides/templating.html>. Here's a
> > partial implementation to give you the idea:
> >
> > modules/manycast/manifests/bird.pp
> > ----
> > class manycast::bird(
> > $ospf,
> > # ...
> > ) {
> > # Not sure what file you want to manage...
> > file { '/etc/bird/ospf.conf':
> > ensure => 'file',
> > content => template('manycast/ospf.conf.erb'),
> > # ...
> > }
> > }
> >
> >
> > modules/manycast/templates/ospf.conf.erb
> > ----
> > <%
> > @ospf.sort.each_pair do | instance, instance_data |
> > -%>
> > protocol ospf <%= instance %>:
> > tick <%= instance_data.tick %>;
> > <%= instance_data.rfc1583compat %>;
> > export <%= instance_data.export %>;
> > <%
> > instance_data.area.sort.each_pair do | area, area_details |
> > -%>
> > area <%= area %> {
> > stub <%= area_details.stub %>;
> > <%
> > * # Fill in the rest ...
> > *-%>
> > };
> > <%
> > end
> > end if @ospf and @ospf.is_a Hash
> > -%>
> >
> >
> >
> > Also, something that I noticed about hashes is that each hiera
> > query (at least by hand) gives me the same data in different
> > order. Can this trigger a different md5 for the file and force a
> > service reload each 30 minutes even there are no configuration
> > changes?
> >
> >
> >
> > Yes, reordering the content of a file changes its MD5. If you have
> > a service that receives events from this file, then such a
> > reordering will cause Puppet to restart the service. Even if not,
> > one generally wants to avoid the noise arising from meaningless
> > resource modifications. That is the template's purpose for sorting
> > the hashes.
> >
> >
> > John
> >
> >
> > Trying this approach I get "Detail: undefined method `each_pair' for
> > #<Array:0x7f19bc81d288>" using this code:
> >
> >
> > <% if (@ospfconfig.is_a?(Hash)) and (@ospfconfig.count > 0) -%>
> > <% @ospfconfig.sort.each do |instance,instparam| -%>
> > protocol ospf <%= instance %> {
> >
> > }
> > <% end -%>
> > <% end -%>
> >
> > Can it be a Ruby version thing?
> >
> Use each_slice(2), it should be available in Rubies back to 1.8.7
>
> - henrik
>
> > Regards,
> > Ciro
> >
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> >
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> > <
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>
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>
>
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>
> Visit my Blog "Puppet on the Edge"
> http://puppet-on-the-edge.blogspot.se/
>
>
Well, not sure if it's the prettiest alternative, but got a functional
configuration file with this code:
###
### OSPF Routing
###
<% if (@ospfconfig.is_a?(Hash)) and (@ospfconfig.count > 0) -%>
<% @ospfconfig.keys.sort.each do |key| -%>
protocol ospf
<%= key %>
{
<% ospfconfig[key].keys.sort.each do |param| -%>
<% if param !='area' -%>
<%= param -%>
<%= ospfconfig[key][param] -%>;
<% else -%>
<% ospfconfig[key][param].keys.sort.each do |areaid| -%>
<%= param -%>
<%= areaid -%>
{
<% ospfconfig[key][param][areaid].keys.sort.each do |areakey| -%>
<% if areakey != 'interface' %>
<%= areakey -%>
<%= ospfconfig[key][param][areaid][areakey] -%>;
<% else -%>
<% ospfconfig[key][param][areaid][areakey].keys.sort.each do
|ifkey| -%>
<%= areakey -%>
<%= ifkey -%>
{
<%
ospfconfig[key][param][areaid][areakey][ifkey].keys.sort.each do |ifparam|
-%>
<%= ifparam -%>
<%=
ospfconfig[key][param][areaid][areakey][ifkey][ifparam] -%>;
<%end -%>
};
<%end -%>
<%end -%>
<%end -%>
};
<%end -%>
<%end -%>
<%end -%>
}
<% end -%>
<% end -%>
Regards,
Ciro
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