One other try:
<% if classes.index('httpd') ....
I forgot that tags weren't exposed in the ERB.
Trevor
On Thu, Jun 11, 2009 at 05:42, Dick Davies<rasput...@hellooperator.net> wrote:
>
> Hi Trevor, thanks for the idea.
>
> On Thu, Jun 11, 2009 at 4:28 AM, Trevor Vaughan<peiriann...@gmail.com> wrote:
>
>> Someone might give you a better answer, but try:
>>
>> <% if tags.index('httpd') && has_variable?('httpd::open_firewall') %>
>>
>> This *may not* work due to file parsing order, but I *think* that it will.
>
> I did too, but it doesn't :(
>
> The only reason I tried variables is because tags aren't visible
> (due to scoping?).
>
> It seems you can't see tags (autotags or tags set explicitly with
> tag('httpd') defined in
> classes your class includes.
>
> This is a real problem from where I'm sat; it does make me wonder what
> tags are actually
> useful for.
>
> I suppose I could define the tag in the node, but that seems pretty
> redundant since I'm
> also including the 'httpd' class.
>
>
>
>
>
>> Trevor
>>
>> Dick Davies wrote:
>>> I'm using a primitive template to build my iptables rulesets.
>>> It's all in a branch on my github repo at
>>>
>>> http://github.com/rasputnik/babysteps-puppet/tree/templated-iptables
>>>
>>> template that looks like:
>>>
>>> <% if has_variable?('httpd::open_firewall') %>
>>> -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j
>>> ACCEPT
>>> <% end -%>
>>>
>>> (see
>>> http://github.com/rasputnik/babysteps-puppet/blob/templated-iptables/modules/iptables/templates/iptables.erb
>>> )
>>>
>>> i then set a variable in the httpd module like this:
>>>
>>> class httpd {
>>> $open_firewall = 'on'
>>> #.... rest of httpd class def.
>>> }
>>>
>>> [
>>> http://github.com/rasputnik/babysteps-puppet/blob/templated-iptables/modules/httpd/manifests/init.pp
>>> ]
>>>
>>> The idea being that if a node has 'include httpd', then when it runs
>>> 'include iptables'
>>> it'll open the right port.
>>>
>>> This works fine for classes that include httpd. The trouble is that i
>>> get this error on
>>> nodes that don't :
>>>
>>> [r...@node03 ~]# puppetd -tv
>>> info: Retrieving plugins
>>> err: Could not retrieve catalog: Failed to parse template
>>> iptables/iptables.erb: Class httpd has not been evaluated so its
>>> variables cannot be referenced at
>>> /etc/puppet/modules/iptables/manifests/init.pp:11 on node node03.pixie
>>> warning: Not using cache on failed catalog
>>>
>>>
>>> To my mind, that should be a warning, not an error.
>>>
>>> Is there any 'guard' I can put in my template to stop this blowing up?
>>>
>>> I did try:
>>>
>>> <% if has_variable?('httpd') && has_variable?('httpd::open_firewall') %>
>>>
>>> but the first clause is always false, even on nodes that 'include httpd'.
>>>
>>>
>>> Sorry this has been a bit longwinded, but I'm a bit stumped here.
>>> Thanks in advance for
>>> any tips.
>>>
>>> >
>> -----BEGIN PGP SIGNATURE-----
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>>
>> iEYEARECAAYFAkowedoACgkQyjMdFR1108Dh0gCfWz7tn6/5+K2w9LZK2P+ajsab
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>> >
>>
>
> >
>
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