(QENG-3888) Remove static nodeset, use beaker-hostgenerator

This is additional work for QENG-3888 in ci-job-configs. We were using static
nodesets within specs/acceptance/nodesets before and this commit will instead use beaker-hostgenerator
to get the specified platform .yml configurations.

Gemfile

@@ -24,6 +24,7 @@ end
 group :acceptance do
   gem 'beaker'
   gem 'beaker-rspec'
+  gem 'beaker-hostgenerator'
 end
 
 group :development do

Rakefile

@@ -18,6 +18,23 @@ task :validate do
 end
 
 task :acceptance do
+  require 'beaker-hostgenerator'
+
+  target = ENV['platform']
+  if ! target
+    STDERR.puts 'TEST_TARGET environment variable is not set'
+    STDERR.puts 'setting to default value of "centos7-64ma."'
+    target = 'centos7-64ma.'
+  end
+
+  cli = BeakerHostGenerator::CLI.new([target])
+  nodeset_dir = "spec/acceptance/nodesets"
+  nodeset = "#{nodeset_dir}/#{target}.yml"
+  FileUtils.mkdir_p(nodeset_dir)
+  File.open(nodeset, 'w') do |fh|
+    fh.print(cli.execute)
+  end
+  puts nodeset
   sh "gem build puppet-strings.gemspec"
   sh "puppet module build spec/unit/puppet/examples/test"
   sh "BEAKER_set=#{ENV["platform"]} rspec spec/acceptance/*.rb"

spec/acceptance/nodesets/centos7.yml

@@ -1,17 +0,0 @@
----
-HOSTS:
-  centos7-64-1:
-    pe_dir: 
-    pe_ver: 
-    pe_upgrade_dir: 
-    pe_upgrade_ver: 
-    hypervisor: vmpooler
-    platform: el-7-x86_64
-    template: centos-7-x86_64
-    roles:
-    - agent
-    - master
-CONFIG:
-  nfs_server: none
-  consoleport: 443
-  pooling_api: http://vmpooler.delivery.puppetlabs.net/