Add severity to alert definitions

app/models/miq_alert.rb

@@ -1,6 +1,8 @@
 class MiqAlert < ApplicationRecord
   include UuidMixin
 
+  SEVERITIES = [nil, "info", "warning", "error"]
+
   serialize :miq_expression
   serialize :hash_expression
   serialize :options
@@ -9,6 +11,7 @@ class MiqAlert < ApplicationRecord
   validates_uniqueness_of   :description, :guid
   validate :validate_automate_expressions
   validate :validate_single_expression
+  validates :severity, :inclusion => { :in => SEVERITIES }
 
   has_many :miq_alert_statuses, :dependent => :destroy
   before_save :set_responds_to_events
@@ -235,12 +238,13 @@ def evaluate(target, inputs = {})
   end
 
   def add_status_post_evaluate(target, result, event)
-    status_description, severity, url, ems_ref, resolved = event.try(:parse_event_metadata)
+    status_description, event_severity, url, ems_ref, resolved = event.try(:parse_event_metadata)
     status = miq_alert_statuses.find_or_initialize_by(:resource => target, :event_ems_ref => ems_ref)
     status.result = result
     status.ems_id = target.try(:ems_id)
     status.description = status_description || description
-    status.severity = severity unless severity.blank?
+    status.severity = severity
+    status.severity = event_severity unless event_severity.blank?
     status.url = url unless url.blank?
     status.event_ems_ref = ems_ref unless ems_ref.blank?
     status.resolved = resolved

spec/lib/task_helpers/exports/alerts_spec.rb

@@ -13,7 +13,8 @@
           "hash_expression"    => nil,
           "responds_to_events" => nil,
           "enabled"            => true,
-          "read_only"          => nil
+          "read_only"          => nil,
+          "severity"           => nil
         }
       }
     ]

spec/models/miq_alert_spec.rb

@@ -184,6 +184,26 @@
         expect(mas.severity).to eq('warning')
       end
 
+      it "miq_alert_status.severity = MiqAlert#severity if ems_event.full_data.severity not present" do
+        @alert.severity = "error"
+        @alert.evaluate(
+          [@vm.class.base_class.name, @vm.id],
+          :ems_event => FactoryGirl.create(:ems_event, :full_data => {})
+        )
+        mas = @alert.miq_alert_statuses.where(:resource_type => @vm.class.base_class.name, :resource_id => @vm.id).first
+        expect(mas.severity).to eq('error')
+      end
+
+      it "miq_alert_status.severity = ems_event.full_data.severity  if present and MiqAlert#severity is also present" do
+        @alert.severity = "error"
+        @alert.evaluate(
+          [@vm.class.base_class.name, @vm.id],
+          :ems_event => FactoryGirl.create(:ems_event, :full_data => {:severity => 'info'})
+        )
+        mas = @alert.miq_alert_statuses.where(:resource_type => @vm.class.base_class.name, :resource_id => @vm.id).first
+        expect(mas.severity).to eq('info')
+      end
+
       it "miq_alert_status.severity = nil if  ems_event.full_data.severity not present" do
         @alert.evaluate([@vm.class.base_class.name, @vm.id])
         mas = @alert.miq_alert_statuses.where(:resource_type => @vm.class.base_class.name, :resource_id => @vm.id).first