drop Puppet 4

.travis.yml

@@ -1,22 +1,14 @@
 ---
 # This file is managed centrally by modulesync
 #   https://github.com/theforeman/foreman-installer-modulesync
-rvm:
-  - 2.1.9
-  - 2.3.0
-  - 2.4.1
 env:
-  matrix:
-    - PUPPET_VERSION=4.9
   global:
     - PARALLEL_TEST_PROCESSORS=8
 matrix:
   fast_finish: true
   include:
     - rvm: 2.4.1
       env: PUPPET_VERSION=5.0
-    - rvm: 2.5.1
-      env: PUPPET_VERSION=5.0
     - rvm: 2.5.1
       env: PUPPET_VERSION=6.0
     # Acceptance tests
@@ -65,8 +57,4 @@ matrix:
         - sudo service docker restart
 
 bundler_args: --without system_tests development
-before_install:
-  - if [ $TRAVIS_RUBY_VERSION = 2.1.9 ] ; then
-      gem install -v 1.17.3 bundler --no-rdoc --no-ri;
-    fi
-sudo: false
+dist: xenial

Gemfile

@@ -3,7 +3,7 @@
 
 source 'https://rubygems.org'
 
-gem 'puppet', ENV.key?('PUPPET_VERSION') ? "~> #{ENV['PUPPET_VERSION']}" : '>= 4.6'
+gem 'puppet', ENV.key?('PUPPET_VERSION') ? "~> #{ENV['PUPPET_VERSION']}" : '>= 5.5'
 
 gem 'rake'
 gem 'rspec', '~> 3.0'

metadata.json

@@ -54,7 +54,7 @@
   "requirements": [
     {
       "name": "puppet",
-      "version_requirement": ">= 4.6.1 < 7.0.0"
+      "version_requirement": ">= 5.5.8 < 7.0.0"
     }
   ],
   "operatingsystem_support": [