diff --git a/.gitignore b/.gitignore
index a2aaca5..f1a9bef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,9 +27,9 @@
 /test/version_tmp/
 /tmp/
 /vendor/bundle
-Gemfile.lock
 build/
 log/
 pkg
 spec/fixtures
 vendor/
+.ruby-version
diff --git a/Gemfile b/Gemfile
index d01d78d..a2f2659 100644
--- a/Gemfile
+++ b/Gemfile
@@ -16,7 +16,7 @@ group :test do
   gem "json_pure", '~> 1.8.3'
 
   gem "rake"
-  gem "puppet", ENV['PUPPET_VERSION'] || '~> 4'
+  gem "puppet", ENV['PUPPET_VERSION'] || '~> 3.7'
   gem "puppet-lint"
 
   gem "rspec"
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..1804371
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,323 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    CFPropertyList (2.3.5)
+    addressable (2.5.0)
+      public_suffix (~> 2.0, >= 2.0.2)
+    aws-sdk-v1 (1.66.0)
+      json (~> 1.4)
+      nokogiri (>= 1.4.4)
+    beaker (2.48.1)
+      aws-sdk-v1 (~> 1.57)
+      beaker-answers (~> 0.0)
+      beaker-hiera (~> 0.0)
+      beaker-hostgenerator
+      beaker-pe (~> 0.0)
+      docker-api
+      fission (~> 0.4)
+      fog (~> 1.25, < 1.35.0)
+      fog-google (~> 0.0.9)
+      google-api-client (~> 0.8, < 0.9.5)
+      hocon (~> 1.0)
+      in-parallel (~> 0.1)
+      inifile (~> 2.0)
+      json (~> 1.8)
+      mime-types (~> 2.99)
+      minitest (~> 5.4)
+      net-scp (~> 1.2)
+      net-ssh (~> 2.9)
+      open_uri_redirections (~> 0.2.1)
+      rbvmomi (~> 1.8)
+      rsync (~> 1.0.9)
+      stringify-hash (~> 0.0)
+      unf (~> 0.1)
+    beaker-answers (0.14.0)
+      hocon (~> 1.0)
+      require_all (~> 1.3.2)
+      stringify-hash (~> 0.0.0)
+    beaker-hiera (0.1.1)
+      stringify-hash (~> 0.0.0)
+    beaker-hostgenerator (0.8.3)
+      deep_merge (~> 1.0)
+      stringify-hash (~> 0.0.0)
+    beaker-pe (0.12.1)
+      stringify-hash (~> 0.0.0)
+    beaker-puppet_install_helper (0.6.0)
+      beaker (>= 2.0)
+    beaker-rspec (5.6.0)
+      beaker (~> 2.0)
+      rspec
+      serverspec (~> 2)
+      specinfra (~> 2)
+    builder (3.2.3)
+    coderay (1.1.1)
+    deep_merge (1.1.1)
+    diff-lcs (1.3)
+    docker-api (1.33.2)
+      excon (>= 0.38.0)
+      json
+    domain_name (0.5.20170223)
+      unf (>= 0.0.5, < 1.0.0)
+    excon (0.55.0)
+    facter (2.4.6)
+    faraday (0.11.0)
+      multipart-post (>= 1.2, < 3)
+    fission (0.5.0)
+      CFPropertyList (~> 2.2)
+    fog (1.34.0)
+      fog-atmos
+      fog-aws (>= 0.6.0)
+      fog-brightbox (~> 0.4)
+      fog-core (~> 1.32)
+      fog-dynect (~> 0.0.2)
+      fog-ecloud (~> 0.1)
+      fog-google (>= 0.0.2)
+      fog-json
+      fog-local
+      fog-powerdns (>= 0.1.1)
+      fog-profitbricks
+      fog-radosgw (>= 0.0.2)
+      fog-riakcs
+      fog-sakuracloud (>= 0.0.4)
+      fog-serverlove
+      fog-softlayer
+      fog-storm_on_demand
+      fog-terremark
+      fog-vmfusion
+      fog-voxel
+      fog-xml (~> 0.1.1)
+      ipaddress (~> 0.5)
+      nokogiri (~> 1.5, >= 1.5.11)
+    fog-atmos (0.1.0)
+      fog-core
+      fog-xml
+    fog-aws (1.2.1)
+      fog-core (~> 1.38)
+      fog-json (~> 1.0)
+      fog-xml (~> 0.1)
+      ipaddress (~> 0.8)
+    fog-brightbox (0.11.0)
+      fog-core (~> 1.22)
+      fog-json
+      inflecto (~> 0.0.2)
+    fog-core (1.43.0)
+      builder
+      excon (~> 0.49)
+      formatador (~> 0.2)
+    fog-dynect (0.0.3)
+      fog-core
+      fog-json
+      fog-xml
+    fog-ecloud (0.3.0)
+      fog-core
+      fog-xml
+    fog-google (0.0.9)
+      fog-core
+      fog-json
+      fog-xml
+    fog-json (1.0.2)
+      fog-core (~> 1.0)
+      multi_json (~> 1.10)
+    fog-local (0.3.1)
+      fog-core (~> 1.27)
+    fog-powerdns (0.1.1)
+      fog-core (~> 1.27)
+      fog-json (~> 1.0)
+      fog-xml (~> 0.1)
+    fog-profitbricks (3.0.0)
+      fog-core (~> 1.42)
+      fog-json (~> 1.0)
+    fog-radosgw (0.0.5)
+      fog-core (>= 1.21.0)
+      fog-json
+      fog-xml (>= 0.0.1)
+    fog-riakcs (0.1.0)
+      fog-core
+      fog-json
+      fog-xml
+    fog-sakuracloud (1.7.5)
+      fog-core
+      fog-json
+    fog-serverlove (0.1.2)
+      fog-core
+      fog-json
+    fog-softlayer (1.1.4)
+      fog-core
+      fog-json
+    fog-storm_on_demand (0.1.1)
+      fog-core
+      fog-json
+    fog-terremark (0.1.0)
+      fog-core
+      fog-xml
+    fog-vmfusion (0.1.0)
+      fission
+      fog-core
+    fog-voxel (0.1.0)
+      fog-core
+      fog-xml
+    fog-xml (0.1.2)
+      fog-core
+      nokogiri (~> 1.5, >= 1.5.11)
+    formatador (0.2.5)
+    google-api-client (0.9.3)
+      addressable (~> 2.3)
+      googleauth (~> 0.5)
+      httpclient (~> 2.7)
+      hurley (~> 0.1)
+      memoist (~> 0.11)
+      mime-types (>= 1.6)
+      representable (~> 2.3.0)
+      retriable (~> 2.0)
+      thor (~> 0.19)
+    googleauth (0.5.1)
+      faraday (~> 0.9)
+      jwt (~> 1.4)
+      logging (~> 2.0)
+      memoist (~> 0.12)
+      multi_json (~> 1.11)
+      os (~> 0.9)
+      signet (~> 0.7)
+    hiera (1.3.4)
+      json_pure
+    hiera-puppet-helper (1.0.1)
+    hocon (1.2.4)
+    http-cookie (1.0.3)
+      domain_name (~> 0.5)
+    httpclient (2.8.3)
+    hurley (0.2)
+    in-parallel (0.1.17)
+    inflecto (0.0.2)
+    inifile (2.0.2)
+    ipaddress (0.8.3)
+    json (1.8.6)
+    json_pure (1.8.6)
+    jwt (1.5.6)
+    little-plugger (1.1.4)
+    logging (2.1.0)
+      little-plugger (~> 1.1)
+      multi_json (~> 1.10)
+    memoist (0.15.0)
+    metaclass (0.0.4)
+    method_source (0.8.2)
+    mime-types (2.99.3)
+    mini_portile2 (2.1.0)
+    minitest (5.10.1)
+    mocha (1.2.1)
+      metaclass (~> 0.0.1)
+    multi_json (1.12.1)
+    multipart-post (2.0.0)
+    net-scp (1.2.1)
+      net-ssh (>= 2.6.5)
+    net-ssh (2.9.4)
+    net-telnet (0.1.1)
+    netrc (0.11.0)
+    nokogiri (1.7.0.1)
+      mini_portile2 (~> 2.1.0)
+    open_uri_redirections (0.2.1)
+    os (0.9.6)
+    pry (0.10.4)
+      coderay (~> 1.1.0)
+      method_source (~> 0.8.1)
+      slop (~> 3.4)
+    public_suffix (2.0.5)
+    puppet (3.8.7)
+      facter (> 1.6, < 3)
+      hiera (~> 1.0)
+      json_pure
+    puppet-blacksmith (3.4.0)
+      puppet (>= 2.7.16)
+      rest-client (~> 1.8.0)
+    puppet-lint (2.1.1)
+    puppet-syntax (2.3.0)
+      rake
+    puppetlabs_spec_helper (2.1.0)
+      mocha (~> 1.0)
+      puppet-lint (~> 2.0)
+      puppet-syntax (~> 2.0)
+      rspec-puppet (~> 2.0)
+    rake (12.0.0)
+    rbvmomi (1.9.5)
+      builder (~> 3.0)
+      json (>= 1.8)
+      nokogiri (~> 1.5)
+      trollop (~> 2.1)
+    representable (2.3.0)
+      uber (~> 0.0.7)
+    require_all (1.3.3)
+    rest-client (1.8.0)
+      http-cookie (>= 1.0.2, < 2.0)
+      mime-types (>= 1.16, < 3.0)
+      netrc (~> 0.7)
+    retriable (2.1.0)
+    rspec (3.5.0)
+      rspec-core (~> 3.5.0)
+      rspec-expectations (~> 3.5.0)
+      rspec-mocks (~> 3.5.0)
+    rspec-core (3.5.4)
+      rspec-support (~> 3.5.0)
+    rspec-expectations (3.5.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.5.0)
+    rspec-its (1.2.0)
+      rspec-core (>= 3.0.0)
+      rspec-expectations (>= 3.0.0)
+    rspec-mocks (3.5.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.5.0)
+    rspec-puppet (2.5.0)
+      rspec
+    rspec-support (3.5.0)
+    rsync (1.0.9)
+    serverspec (2.38.0)
+      multi_json
+      rspec (~> 3.0)
+      rspec-its
+      specinfra (~> 2.53)
+    sfl (2.3)
+    signet (0.7.3)
+      addressable (~> 2.3)
+      faraday (~> 0.9)
+      jwt (~> 1.5)
+      multi_json (~> 1.10)
+    slop (3.6.0)
+    specinfra (2.67.2)
+      net-scp
+      net-ssh (>= 2.7, < 5.0)
+      net-telnet
+      sfl
+    stringify-hash (0.0.2)
+    thor (0.19.4)
+    trollop (2.1.2)
+    uber (0.0.15)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.7.2)
+    vagrant-wrapper (2.0.3)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  beaker (> 2.0.0)
+  beaker-puppet_install_helper
+  beaker-rspec (>= 5.1.0)
+  hiera
+  hiera-puppet-helper
+  json (~> 1.8.3)
+  json_pure (~> 1.8.3)
+  pry
+  puppet (~> 3.7)
+  puppet-blacksmith
+  puppet-lint
+  puppet-syntax
+  puppetlabs_spec_helper
+  rake
+  rspec
+  rspec-core
+  rspec-puppet
+  serverspec
+  vagrant-wrapper
+
+BUNDLED WITH
+   1.14.6