First draft of chroot implementation for Debian

- RHEL chroot code has been moved into a bind::chroot::package class

- Debian family (and probably other families) can use the
  `bind::chroot::manual` class to enable chroot for bind using the method
  described here: https://wiki.debian.org/Bind9#Bind_Chroot

spec/classes/chroot/manual_spec.rb

@@ -0,0 +1,16 @@
+# ex: syntax=ruby ts=2 sw=2 si et
+require 'spec_helper'
+
+describe 'bind::chroot::manual' do
+  on_supported_os.each do |os, facts|
+    context "on #{os}" do
+      # Only applies to Debian Family for now:
+      next unless facts[:os]['family'] == 'Debian'
+      let (:facts) {facts}
+      context "with defaults parameters" do
+        it { is_expected.to compile.with_all_deps }
+        it { is_expected.to contain_class('bind::defaults') }
+      end
+    end
+  end
+end

spec/classes/chroot/package_spec.rb

@@ -0,0 +1,31 @@
+# ex: syntax=ruby ts=2 sw=2 si et
+require 'spec_helper'
+
+describe 'bind::chroot::package' do
+  on_supported_os.each do |os, facts|
+    context "on #{os}" do
+      # Only applies to RedHat Family for now:
+      next unless facts[:os]['family'] == 'RedHat'
+      let (:facts) {facts}
+      context "with defaults parameters" do
+        it { is_expected.to compile.with_all_deps }
+        it { is_expected.to contain_class('bind::defaults') }
+        it { is_expected.to contain_package('bind-chroot').with({ ensure: 'latest', }) }
+        it do
+          is_expected.to contain_service('bind-without-chroot').with({
+            ensure: 'stopped',
+            enable: false,
+            name: 'named'
+          })
+        end
+        it do
+          is_expected.to contain_service('bind').with({
+            ensure: 'running',
+            enable: true,
+            name: 'named-chroot'
+          })
+        end
+      end
+    end
+  end
+end