SyntaxError on debian stretch epp template

[aba-rechsteiner]

Affected Puppet, Ruby, OS and module versions/distributions

• Puppet: 5.5.3
• Distribution: Debian 9.5
• Module version: v2.3.0

How to reproduce (e.g Puppet code you use)

class { 'fail2ban':
  config_file_template => "fail2ban/${::lsbdistcodename}/etc/fail2ban/jail.conf.epp",
}

What are you seeing

Syntax error since v2.3.0

Output log

Info: Using configured environment 'dev'
Info: Retrieving pluginfacts
Info: Retrieving plugin
Info: Retrieving locales
Info: Loading facts
Error: Could not retrieve catalog from remote server: Error 500 on SERVER: Internal Server Error: org.jruby.exceptions.RaiseException: (SyntaxError) /etc/puppetlabs/code/environments/production/modules/fail2ban/templates/stretch/etc/fail2ban/jail.conf.epp:232: syntax error, unexpected kIN
; _erbout.concat(( "ssh" in $fail2ban::jails ).to_s); _erbout.concat "\nport = ssh\nlogpath = %(sshd_log)s\nbackend = %(sshd_backend)s\n\n\n[sshd-ddos]\n# This jail corresponds to the standard configuration in Fail2ban.\n# The mail-whois action send a notification e-mail with a whois request\n# in the body.\nenabled = "
^
Warning: Not using cache on failed catalog
Error: Could not retrieve catalog; skipping run

[ekohl]

You're probably using a too old version of extlib. It's trying to handle epp with erb. Extlib 2.3.0 or newer should properly handle this:

puppet-fail2ban/metadata.json

Lines 11 to 14 in c4cf635

	{
	"name": "puppet/extlib",
	"version_requirement": ">= 2.3.0 < 3.0.0"
	},

[aba-rechsteiner]

okay thx @ekohl