Added vm_retire_extend method for new email.

Updated System/Request/vm_retire_extend instance to include vm_retire_extend method for new email.
Created tests

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1603881

Adding tests

content/automate/ManageIQ/System/Request.class/__methods__/vm_retire_extend.rb

@@ -0,0 +1,63 @@
+#
+# Description: This method is used to add 14 days to retirement date when target
+# VM has a retires_on value and is not already retired
+#
+
+module ManageIQ
+  module Automate
+    module System
+      module Request
+        class VmRetireExtend
+          def initialize(handle = $evm)
+            @handle = handle
+          end
+
+          def main
+            @handle.log("info", "Starting vm_retire_extend")
+            @handle.object['vm_retire_extend_days'] = 14
+            check_retire_extend(vm)
+            @handle.log("info", "Ending vm_retire_extend")
+          end
+
+          private
+
+          def vm
+            @handle.root["vm"].tap do |vm|
+              if vm.nil?
+                @handle.log(:error, 'vm is nil')
+                raise 'ERROR - vm object not passed in'
+              end
+            end
+          end
+
+          def check_retire_extend(vm)
+            vm_retire_extend_days = @handle.object['vm_retire_extend_days']
+            raise "ERROR - vm_retire_extend_days not found!" if vm_retire_extend_days.nil?
+
+            @handle.log("info", "Number of days to extend: <#{vm_retire_extend_days}>")
+
+            if vm.retires_on.blank?
+              raise "ERROR - VM #{vm.name} has no retirement date - extension bypassed. No Action taken"
+            end
+
+            if vm.retired
+              raise "ERROR - VM #{vm.name} is already retired - extension bypassed. No Action taken"
+            end
+
+            @handle.log("info", "VM: <#{vm.name}> current retirement date is #{vm.retires_on}")
+            @handle.log("info", "Extending retirement <#{vm_retire_extend_days}> days for VM: <#{vm.name}>")
+
+            vm.extend_retires_on(vm_retire_extend_days, vm.retires_on)
+
+            @handle.log("info", "VM: <#{vm.name}> new retirement date is #{vm.retires_on}")
+            @handle.log("info", "Inspecting retirement vm: <#{vm.retirement_state}>")
+          end
+        end
+      end
+    end
+  end
+end
+
+if $PROGRAM_NAME == __FILE__
+  ManageIQ::Automate::System::Request::VmRetireExtend.new.main
+end

content/automate/ManageIQ/System/Request.class/__methods__/vm_retire_extend.yaml

@@ -0,0 +1,13 @@
+---
+object_type: method
+version: 1.0
+object:
+  attributes:
+    name: vm_retire_extend
+    display_name: 
+    description: 
+    scope: instance
+    language: ruby
+    location: inline
+    options: {}
+  inputs: []

content/automate/ManageIQ/System/Request.class/vm_retire_extend.yaml

@@ -8,5 +8,7 @@ object:
     inherits: 
     description: 
   fields:
+  - meth4:
+      value: vm_retire_extend
   - rel5:
       value: "/System/Notification/Email/${/#ae_provider_category}VmRetireExtend?event=vm_retire_extend"

spec/content/automate/ManageIQ/System/Request.class/__methods__/vm_retire_extend_spec.rb

@@ -0,0 +1,69 @@
+require_domain_file
+
+describe ManageIQ::Automate::System::Request::VmRetireExtend do
+  let(:user) { FactoryGirl.create(:user_with_email_and_group) }
+  let(:zone) { FactoryGirl.create(:zone) }
+  let(:ems) { FactoryGirl.create(:ems_microsoft, :zone => zone, :tenant => Tenant.root_tenant) }
+  let(:miq_server) { EvmSpecHelper.local_miq_server }
+  let(:vm) do
+    FactoryGirl.create(:vm_microsoft,
+                       :raw_power_state => "PowerOff",
+                       :retires_on      => Time.zone.now,
+                       :evm_owner       => user,
+                       :ems_id          => ems.id)
+  end
+
+  let(:root_hash) do
+    { 'vm' => vm }
+  end
+
+  let(:root_object) do
+    Spec::Support::MiqAeMockObject.new(root_hash)
+  end
+
+  let(:ae_service) do
+    Spec::Support::MiqAeMockService.new(root_object).tap do |service|
+      current_object = Spec::Support::MiqAeMockObject.new
+      current_object.parent = root_object
+      service.object = current_object
+    end
+  end
+
+  before do
+    allow(ae_service).to receive(:execute)
+  end
+
+  context "when vm_retire_extend_days is 14" do
+    it "returns a new retirement date " do
+      future_retires_on = Time.zone.now + 14.days
+      described_class.new(ae_service).main
+      expect(vm.retires_on.day).to eq(future_retires_on.day)
+    end
+  end
+
+  context "when vm retires_on is nil" do
+    it "does not update retires_on date" do
+      vm.update_attributes(:retires_on => nil)
+      errormsg = "ERROR - VM #{vm} has no retirement date - extension bypassed. No Action taken"
+      expect { described_class.new(ae_service).main }.to raise_error(errormsg)
+    end
+  end
+
+  context "when vm retired is true " do
+    it "does not update retires_on date" do
+      vm.update_attributes(:retired => true)
+      errormsg = "ERROR - VM #{vm} is already retired - extension bypassed. No Action taken"
+      expect { described_class.new(ae_service).main }.to raise_error(errormsg)
+    end
+  end
+
+  context "when there is no vm" do
+    let(:root_hash) { {} }
+    let(:svc_model_service) { nil }
+    let(:vm) { nil }
+    it "raises error message" do
+      errormsg = 'ERROR - vm object not passed in'
+      expect { described_class.new(ae_service).main }.to raise_error(errormsg)
+    end
+  end
+end