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Justin Lloyd

2011-Nov-18 19:02 UTC

[Puppet Users] Are tildes actually valid in templates or is this a bug?

Hi all,

First off, we''re running Puppet 2.7.6 with Ruby 1.8.7 on CentOS 6.0.

Now, I''m using tildes in a template to prevent newlines from appearing
but
ruby/puppet is choking on them.

*/tmp/puppet$ cat test.erb*
Line 1: Line 2 will exist if running on CentOS.
<% if operatingsystem == "CentOS" ~%>
Line 2: Yay, we''re running CentOS.
<% end ~%>
*/tmp/puppet$ erb -x -T ''-'' test.erb | ruby -c*
-:2: syntax error, unexpected ''~'', expecting kTHEN or
'':'' or ''\n'' or '';''
;  if operatingsystem == "CentOS" ~; _erbout.concat "\n"
                                   ^
-:4: syntax error, unexpected kEND, expecting $end
;  end ~; _erbout.concat "\n"
      ^
*/tmp/puppet**$ perl -pi -e ''s/~//'' test.erb*
*/tmp/puppet$ erb -x -T ''-'' test.erb | ruby -c*
Syntax OK
*/tmp/puppet$ *

I thought it might just be erb/ruby that was choking so I did a full test
with puppet. Tildes still do not work but, without them, blank lines are
still generated.

*/tmp/puppet$ cat test.pp*
class test {
    file { "/tmp/puppet/test.out":
        ensure => ''present'',
        content => template(''test.erb''),
    }
}
include test**
*/tmp/puppet$ puppet apply --templatedir=. test.pp*
/tmp/puppet/test.erb:4:in `result'': compile error (SyntaxError)
/tmp/puppet/test.erb:2: syntax error, unexpected ''~'',
expecting kTHEN or
'':'' or ''\n'' or '';''
... operatingsystem == "CentOS" ~; _erbout.concat "\nLine 2:
Ya...
                      ^
/tmp/puppet/test.erb:4: syntax error, unexpected kEND, expecting $end
;  end ~; _erbout.concat "\n"
      ^
    from
/usr/lib/ruby/site_ruby/1.8/puppet/parser/templatewrapper.rb:106:in
`result''
         [STRIPPED OUT STACK TRACE FOR READABILITY]
*/tmp/puppet$ perl -pi -e ''s/~//'' test.erb*
*/tmp/puppet$ cat test.erb*
Line 1: Line 2 will exist if running on CentOS.
<% if operatingsystem == "CentOS" %>
Line 2: Yay, we''re running CentOS.
<% end %>
*/tmp/puppet$ puppet apply --templatedir=. test.pp*
notice: /Stage[main]/Test/File[/tmp/puppet/test.out]/ensure: created
notice: Finished catalog run in 0.04 seconds
*/tmp/puppet$ cat test.out*
Line 1: Line 2 will exist if running on CentOS.

Line 2: Yay, we''re running CentOS.

*/tmp/puppet$
*
Current examples I find all use tildes. Am I doing something wrong or could
there be a bug here?

Thanks,
Justin
*
*

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Nan Liu

2011-Nov-18 19:05 UTC

head link

Re: [Puppet Users] Are tildes actually valid in templates or is this a bug?

On Fri, Nov 18, 2011 at 2:02 PM, Justin Lloyd <jstnlld@gmail.com>
wrote:> Hi all,
>
> First off, we''re running Puppet 2.7.6 with Ruby 1.8.7 on CentOS
6.0.
>
> Now, I''m using tildes in a template to prevent newlines from
appearing but
> ruby/puppet is choking on them.
>
> /tmp/puppet$ cat test.erb
> Line 1: Line 2 will exist if running on CentOS.
> <% if operatingsystem == "CentOS" ~%>
> Line 2: Yay, we''re running CentOS.
> <% end ~%>
> /tmp/puppet$ erb -x -T ''-'' test.erb | ruby -c
> -:2: syntax error, unexpected ''~'', expecting kTHEN or
'':'' or ''\n'' or '';''
> ;  if operatingsystem == "CentOS" ~; _erbout.concat
"\n"
>                                    ^
> -:4: syntax error, unexpected kEND, expecting $end
> ;  end ~; _erbout.concat "\n"
>       ^
> /tmp/puppet$ perl -pi -e ''s/~//'' test.erb
> /tmp/puppet$ erb -x -T ''-'' test.erb | ruby -c
> Syntax OK
> /tmp/puppet$
>
> I thought it might just be erb/ruby that was choking so I did a full test
> with puppet. Tildes still do not work but, without them, blank lines are
> still generated.
>
> /tmp/puppet$ cat test.pp
> class test {
>     file { "/tmp/puppet/test.out":
>         ensure => ''present'',
>         content => template(''test.erb''),
>     }
> }
> include test
> /tmp/puppet$ puppet apply --templatedir=. test.pp
> /tmp/puppet/test.erb:4:in `result'': compile error (SyntaxError)
> /tmp/puppet/test.erb:2: syntax error, unexpected ''~'',
expecting kTHEN or '':''
> or ''\n'' or '';''
> ... operatingsystem == "CentOS" ~; _erbout.concat "\nLine 2:
Ya...
>                       ^
> /tmp/puppet/test.erb:4: syntax error, unexpected kEND, expecting $end
> ;  end ~; _erbout.concat "\n"
>       ^
>     from
/usr/lib/ruby/site_ruby/1.8/puppet/parser/templatewrapper.rb:106:in
> `result''
>          [STRIPPED OUT STACK TRACE FOR READABILITY]
> /tmp/puppet$ perl -pi -e ''s/~//'' test.erb
> /tmp/puppet$ cat test.erb
> Line 1: Line 2 will exist if running on CentOS.
> <% if operatingsystem == "CentOS" %>
> Line 2: Yay, we''re running CentOS.
> <% end %>
> /tmp/puppet$ puppet apply --templatedir=. test.pp
> notice: /Stage[main]/Test/File[/tmp/puppet/test.out]/ensure: created
> notice: Finished catalog run in 0.04 seconds
> /tmp/puppet$ cat test.out
> Line 1: Line 2 will exist if running on CentOS.
>
> Line 2: Yay, we''re running CentOS.
>
> /tmp/puppet$
>
> Current examples I find all use tildes. Am I doing something wrong or could
> there be a bug here?
It''s dash not tilde -%> to suppress newlines. Do you have a link to
the faulty examples on puppetlabs site?

Thanks,

Nan

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Justin Lloyd

2011-Nov-18 19:08 UTC

head link

Re: [Puppet Users] Are tildes actually valid in templates or is this a bug?

/sigh. I just need to increase my font size. Thank you for pointing out a
dumb mistake.

Justin

On Fri, Nov 18, 2011 at 11:05 AM, Nan Liu <nan@puppetlabs.com> wrote:
> On Fri, Nov 18, 2011 at 2:02 PM, Justin Lloyd <jstnlld@gmail.com>
wrote:
> > Hi all,
> >
> > First off, we''re running Puppet 2.7.6 with Ruby 1.8.7 on
CentOS 6.0.
> >
> > Now, I''m using tildes in a template to prevent newlines from
appearing
> but
> > ruby/puppet is choking on them.
> >
> > /tmp/puppet$ cat test.erb
> > Line 1: Line 2 will exist if running on CentOS.
> > <% if operatingsystem == "CentOS" ~%>
> > Line 2: Yay, we''re running CentOS.
> > <% end ~%>
> > /tmp/puppet$ erb -x -T ''-'' test.erb | ruby -c
> > -:2: syntax error, unexpected ''~'', expecting kTHEN
or '':'' or ''\n'' or '';''
> > ;  if operatingsystem == "CentOS" ~; _erbout.concat
"\n"
> >                                    ^
> > -:4: syntax error, unexpected kEND, expecting $end
> > ;  end ~; _erbout.concat "\n"
> >       ^
> > /tmp/puppet$ perl -pi -e ''s/~//'' test.erb
> > /tmp/puppet$ erb -x -T ''-'' test.erb | ruby -c
> > Syntax OK
> > /tmp/puppet$
> >
> > I thought it might just be erb/ruby that was choking so I did a full
test
> > with puppet. Tildes still do not work but, without them, blank lines
are
> > still generated.
> >
> > /tmp/puppet$ cat test.pp
> > class test {
> >     file { "/tmp/puppet/test.out":
> >         ensure => ''present'',
> >         content => template(''test.erb''),
> >     }
> > }
> > include test
> > /tmp/puppet$ puppet apply --templatedir=. test.pp
> > /tmp/puppet/test.erb:4:in `result'': compile error
(SyntaxError)
> > /tmp/puppet/test.erb:2: syntax error, unexpected
''~'', expecting kTHEN or
> '':''
> > or ''\n'' or '';''
> > ... operatingsystem == "CentOS" ~; _erbout.concat
"\nLine 2: Ya...
> >                       ^
> > /tmp/puppet/test.erb:4: syntax error, unexpected kEND, expecting $end
> > ;  end ~; _erbout.concat "\n"
> >       ^
> >     from
> /usr/lib/ruby/site_ruby/1.8/puppet/parser/templatewrapper.rb:106:in
> > `result''
> >          [STRIPPED OUT STACK TRACE FOR READABILITY]
> > /tmp/puppet$ perl -pi -e ''s/~//'' test.erb
> > /tmp/puppet$ cat test.erb
> > Line 1: Line 2 will exist if running on CentOS.
> > <% if operatingsystem == "CentOS" %>
> > Line 2: Yay, we''re running CentOS.
> > <% end %>
> > /tmp/puppet$ puppet apply --templatedir=. test.pp
> > notice: /Stage[main]/Test/File[/tmp/puppet/test.out]/ensure: created
> > notice: Finished catalog run in 0.04 seconds
> > /tmp/puppet$ cat test.out
> > Line 1: Line 2 will exist if running on CentOS.
> >
> > Line 2: Yay, we''re running CentOS.
> >
> > /tmp/puppet$
> >
> > Current examples I find all use tildes. Am I doing something wrong or
> could
> > there be a bug here?
>
> It''s dash not tilde -%> to suppress newlines. Do you have a
link to
> the faulty examples on puppetlabs site?
>
> Thanks,
>
> Nan
>
> --
> You received this message because you are subscribed to the Google Groups
> "Puppet Users" group.
> To post to this group, send email to puppet-users@googlegroups.com.
> To unsubscribe from this group, send email to
> puppet-users+unsubscribe@googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/puppet-users?hl=en.
>
>
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