each_pair, so that a hash structure, yes? Ruby hashes are unordered in 1.8.
Iterating like that isn't guaranteed to be the same every time. You can
iterate over the sorted keys, then get the params variable by lookup using
the key.
<%
cachebins.keys.sort.each do |bin|
params = cachebins[bin]
%>
[stuff...]
<% end -%>
On Thursday, March 14, 2013 5:24:50 PM UTC-7, jc.listmail wrote:
>
> I have a template that I'm using to build Memcache configs from. The
> template looks like this:
>
> USER="memcached"
> MAXCONN="1024"
> OPTIONS=""
> PIDDIR="/var/run/memcached"
>
> <% cachebins.each_pair do |bin, params| %>
> <%= bin.upcase %>_PORT="<%= params['port'] %>"
> <%= bin.upcase %>_CACHESIZE="<%= params['cachesize'] %>"
> <%= bin.upcase %>_PIDFILE="$PIDDIR/<%= bin %>.pid"
> <% end -%>
>
> The hiera config looks like this:
>
> memcache:
> default:
> port: 11211
> cachesize: 64
> session:
> port: 11212
> cachesize: 128
> menu:
> port: 11213
> cachesize: 64
> views:
> port: 11214
> cachesize: 64
> filter:
> port: 11215
> cachesize: 32
> users:
> port: 11216
> cachesize: 32
> page:
> port: 11217
> cachesize: 32
>
> and init.pp looks like this:
>
> $cachebins = hiera('memcache')
>
> file { "memcache_conf":
> path => "/etc/sysconfig/memcached",
> owner => root,
> group => root,
> mode => 644,
> notify => Service["memcached"],
> content => template("memcache/memcached.conf.erb"),
> }
>
> The issue is that when the template is compiled, it periodically (and
> randomly) gets recompiled in a different order, which causes my notify
> statement to fire and restart memcache.
>
> The actual contents don't change, just the order in which the bins are
> listed in the template. I was expecting the layout to follow my hiera data
> structure, but it seems to glob them in an unordered (and maybe random)
> manner when it parses out into the template.
>
> Maybe I'm going about this in the wrong way in terms of importing my hiera
> data, but is there a way I can force the template to be built in the same
> order every time so that I don't have the file randomly updating and
> causing a restart from my notify?
>
>
>
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