----- Original Message -----
> From: "Paul Seymour" <paul.seym...@ig.com>
> To: "puppet-users" <puppet-users@googlegroups.com>
> Sent: Tuesday, 3 January, 2017 12:05:45
> Subject: Re: [Puppet Users] Trouble with future parser ?
> On Tuesday, 3 January 2017 10:59:42 UTC, R.I. Pienaar wrote:
>>
>>
>>
>> ----- Original Message -----
>> > From: "Paul Seymour" <paul.s...@ig.com <javascript:>>
>> > To: "puppet-users" <puppet...@googlegroups.com <javascript:>>
>> > Sent: Tuesday, 3 January, 2017 11:57:02
>> > Subject: [Puppet Users] Trouble with future parser ?
>>
>> > Hi,
>> >
>> > OK trying to evaluate how much work and effort it's going to be to move
>> to
>> > Puppet v4.x I have switched on the future parser in our Dev environment.
>> >
>> > I am now getting this kind of thing:-
>> >
>> > $ puppet agent -t --trace
>> > Info: Retrieving pluginfacts
>> > Info: Retrieving plugin
>> > Info: Loading facts
>> > Error: Could not retrieve catalog from remote server: Error 400 on
>> SERVER:
>> > Evaluation Error: Error while evaluating a Function Call, Failed to
>> parse
>> > template grub2/default_grub.erb:
>> > Filepath:
>> > /etc/puppet/environments/dev/modules/grub2/templates/default_grub.erb
>> > Line: 15
>> > Detail: undefined method `empty?' for nil:NilClass
>>
>> I'm guessing it's due to the empty? call on the @cmdline_linux variable?
>> You'll have to show the class code etc.
>>
>> My guess would be that particular variable is not known within the scope
>> of
>> the class where you use the template, older puppet had dynamic scope for
>> templates
>> and that's been removed.
>>
>>
> Thanks. Slightly cut down
>
> class grub2::params {
> $config_template = 'grub2/default_grub.erb'
> $cmdline_linux = 'vconsole.font=latarcyrheb-sun16
> rd.lvm.lv=vg01/root crashkernel=auto vconsole.keymap=uk zswap.enabled=1
> net.ifnames=0 ipv6.disable=1'
> $cmdline_linux_default = ''
> $default_entry = '0'
> $device_install = ''
> $update_binary = '/usr/sbin/grub2-mkconfig'
> $grub2_options = hiera('grub2::options', $cmdline_linux)
> ...
> }
>
> class grub2 (
> $cmdline_linux = $grub2::params::cmdline_linux,
> $grub2_options = $grub2::params::grub2_options,
> $cmdline_linux_default = $grub2::params::cmdline_linux_default,
> $config_file = $grub2::params::config_file,
> $build_file = $grub2::params::build_file,
> $config_template = $grub2::params::config_template,
> $update_binary = $grub2::params::update_binary,
> $update_grub = $grub2::params::update_grub,
> $transparent_hugepages = $grub2::params::transparent_hugepages,
> ...
> ) inherits grub2::params {
>
> class grub2::config {
> file { $::grub2::config_file:
> ensure => 'file',
> owner => '0',
> group => '0',
> mode => '0644',
> content => template($::grub2::config_template),
> require => Class['grub2::install'],
> }
yes, so this class needs access to the variable in question, best to pass it
into it as a property
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