Never used that, but it sounds like your instructions are using the Puppet 4
("future") parser but your Learning VM or locally installed puppet is using the
version 3 parser.
https://docs.puppetlabs.com/puppet/latest/reference/experiments_future.html
As to how to fix this, you might set your parser to "future", or you might
update from yum.puppetlabs.com, or something similar.
On Tue, Aug 18, 2015 at 08:16:30AM -0700, Lunixer wrote:
> I was going through the Puppet Learning doc.
> Got to the template section and the ERB file, which is using the 'each'
> method to print the $real_servers.
> The puppet run fails with pointing to the 'each' method.
> Is this a bug? does anyone have any pointers?
>
> Using:
> centos 6.6
> puppet 3.8.1
> ruby 1.8.7
>
> Thanks.
>
> # cat /etc/puppet/modules/ntp/manifests/init.p
> class ntp {
>
> # Choose platform, package name, and config file name
> case $operatingsystem {
> centos, redhat: {
> $service_name = 'ntpd'
> $conf_file = 'ntp.conf'
> $default_servers = [ "0.centos.pool.ntp.org",
> "1.centos.pool.ntp.org",
> "2.centos.pool.ntp.org", ]
> }
> debian, ubuntu: {
> $service_name = 'ntp'
> $conf_file = 'ntp.conf.debian'
> $default_servers = [ "0.debian.pool.ntp.org iburst",
> "1.debian.pool.ntp.org iburst",
> "2.debian.pool.ntp.org iburst",
> "3.debian.pool.ntp.org iburst", ]
> }
> default: { fail("Unrecognized operating system for webserver") }
> }
>
> $servers_real = $default_servers
>
> # Install the package
> package { 'ntp':
> ensure => installed,
> }
>
> # Get the config file
> file { 'ntp.conf':
> path => '/etc/ntp.conf',
> ensure => file,
> require => Package['ntp'],
> content => template("ntp/${conf_file}.erb"),
> }
>
> # Manage the service
> service { 'ntp':
> name => $service_name,
> ensure => running,
> enable => true,
> subscribe => File['ntp.conf'],
> }
>
> } #class
>
> # cat /etc/puppet/modules/ntp/templates/ntp.conf.erb
> <% @servers_real.each do |this_server| -%>
> server <%= this_server %>
> <% end -%>
>
> # puppet agent --test
> Info: Retrieving pluginfacts
> Info: Retrieving plugin
> Info: Loading facts
> Error: Could not retrieve catalog from remote server: Error 400 on SERVER:
> Failed to parse template ntp/ntp.conf.erb:
> Filepath: /etc/puppet/modules/ntp/templates/ntp.conf.erb
> Line: 2
> Detail: undefined method `each' for nil:NilClass
> at /etc/puppet/modules/ntp/manifests/init.pp:26 on node
> puppetmaster.example.com
> Warning: Not using cache on failed catalog
> Error: Could not retrieve catalog; skipping run
>
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