httpd-nagios.conf.erb undefined method `each' for nil:NilClass

[pythianali]

Hi,

I am using v0.4.7 of the module and have also installed your apache_httpd (v0.4.2) and php (v0.3.12) modules as well. The following error shows up on my puppet run:

Filepath: /etc/puppet/environments/production/modules/nagios/templates/apache_httpd/httpd-nagios.conf.erb
Line: 7
Detail: undefined method `each' for nil:NilClass
at /etc/puppet/environments/production/modules/nagios/manifests/server.pp:20 on node

Whats noticeable is that I do not have a value for apache_httpd_conf_content in my class, which was copied from an older running installation.

Any ideas?

[pythianali]

I was able to pass this error by adding the following directive in the nagios::server class

apache_allowed_from => '127.0.0.1'

[bartlomiej2]

Confirming, I have same issue too.

[thias]

This might be fixed in the master branch of the nagios module, could you maybe try it out and report back?

[bartlomiej2]

I've install nagios module from git and now it fails with this error:

Error: Could not retrieve catalog from remote server: Error 400 on SERVER: Failed to parse template nagios/apache_httpd/httpd-nagios.conf.erb:
  Filepath: /etc/puppet/modules/nagios/templates/apache_httpd/httpd-nagios.conf.erb
  Line: 4
  Detail: undefined method `empty?' for nil:NilClass
 at /etc/puppet/manifests/classes/nagios_server.pp:5 on node samas
Warning: Not using cache on failed catalog
Error: Could not retrieve catalog; skipping run

I have two questions.

How to define "allowed_from" apache directive in puppet?
I tried this two ways:
apache_allowed_from => [ "192.168.0.0/24" ],
apache_allowed_from => "192.168.0.0/24",
but without any success.

Does nagios module require ruby version > 2? Because I've 1.8.7

ruby --version
ruby 1.8.7 (2011-06-30 patchlevel 352) [i386-linux]

[NMerch]

I'm running 1.8.7 on CentOS 6.5 without issue.

$ruby --version
ruby 1.8.7 (2011-06-30 patchlevel 352) [x86_64-linux]
$puppet --version
3.5.1

[bartlomiej2]

NMerc, can you show how you define "allowed_from" in puppet config for nagios server? Do you use "apache_allowed_from"?

[NMerch]

I'm not using it, sorry.

[bartlomiej2]

Anyway if I delete "apache_allowed_from" from puppet config it fails with error I've listed above.

[thias]

It should work with apache_allowed_from => [ '192.168.0.0/24' ], as it expects an array. Could you please double check with the git master code?

[andybrucenet]

Use the Source, Luke.

Solved. Problem is early compilation of template('filename') as in Thias' example:

class { 'nagios::server':
  apache_httpd_ssl             => false,
  apache_httpd_conf_content    => template('my/httpd-nagios.conf.erb'),

That loses; the template causes compile before class variables are available!

I patched Thias' nagios/manifests/server.pp file to permit new variable:

$apache_httpd_conf_content_name    = undef,

Then further down, modified block as follows:

# Set a default content template if no content/source is specified
  # ABr, 20141029: use new variable apache_httpd_conf_content_name
  if $apache_httpd_conf_source == '' {
    if $apache_httpd_conf_content_name != '' {
      # ABr, 20141029: permit late compilation of ERB
      $apache_httpd_conf_content_final = template($apache_httpd_conf_content_name)
    } elsif $apache_httpd_conf_content == '' {
      $apache_httpd_conf_content_final = template("${module_name}/apache_httpd/httpd-nagios.conf.erb")
    } else {
      $apache_httpd_conf_content_final = $apache_httpd_conf_content
    }
  }

That wins! All variables are now available.

Let me know if any interest, I'll post the modified files and send them to Thias.