erb logic with a hiera value

[Wolf Noble]

so I've set a hiera key, and trying to display some different data in motd depending on if the value of said key is true or false… it gets set accordingly.. but my motd template doesn't seem to be properly reacting when the value of it changes..

it's as if the variable never matches "true"
not sure what I'm doing wrong here…. I SUSPECT 'true' isn't being perceived as such somehow…

Can anyone spot what I'm missing?



bash-3.2$ cat /etc/puppetlabs/puppet/modules/core/manifests/values.pp
#
# core::values
# a class for namespaceing variables not specifically linked to any other module.
class core::values {
$foostatus = hiera('core_values_foo')
}



bash-3.2$ cat hieradata/(extraneous tree pruned)/Prod/common.yaml
core_values_foo: - true



bash-3.2$ cat hieradata//common.yaml
core_values_foo: - false


bash-3.2$ cat core/motd/templates/motd.erb
<% foostatus = scope.lookupvar('core::values::foostatus') -%>
## Configuration Notice ##----------------------------------
The configuration of <%= hostname -%> is managed by Puppet.
### QuickStats from last puppetrun
RAM: <%= memorysize -%> ::
<%= lsbdistdescription %>
Kernel: <%= kernelrelease %>
Internal IP: <%= ipaddress %>
###########################################################
<% if foostatus == "true" -%>
| foo is true |
`****************************************************'
<% else -%>
| foo is not true |
`****************************************************'
<% end-%>
<%= foostatus %>
bash-3.2$



[root@bookworm ~]# cat /etc/motd
## Configuration Notice ##----------------------------------
The configuration of bookworm is managed by Puppet.
### QuickStats from last puppetrun
RAM: 512.18 MB ::
CentOS release 5.8 (Final)
Kernel: 2.6.18-308.4.1.el5xen
Internal IP: 123.123.123.123
###########################################################
| foo is not true |
`****************************************************'
true



if I remove the entry which is setting it to true in hieradata/(pruned)Prod/common.yaml:

[root@bookworm ~]# cat /etc/motd
## Configuration Notice ##----------------------------------
The configuration of bookworm is managed by Puppet.
### QuickStats from last puppetrun
RAM: 512.18 MB ::
CentOS release 5.8 (Final)
Kernel: 2.6.18-308.4.1.el5xen
Internal IP: 123.123.123.123
###########################################################
| foo is not true |
`****************************************************'
false





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[Gary Larizza]

This is the problem - you're trying to compare a boolean value of true to a string value of 'true'.  Just do something like:

<% if foostatus -%>

That should work for you :)

 

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Gary Larizza

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Puppet Labs

[Wolf Noble]

Thanks Gary,

I knew it was something simple.

Appreciate the help

<% if foostatus == "true" -%>

This is the problem - you're trying to compare a boolean value of true to a string value of 'true'. Just do something like:

<% if foostatus -%>

That should work for you :)