Add rule_index to security_orchestration_policy_rule_schedules

This change introduces a new column rule_index
to security_orchestration_policy_rule_schedules table to keep
track of the  values from the security policy file.

Changelog: added

db/migrate/20210805085706_add_rule_index_to_security_orchestration_policy_rule_schedules.rb

+# frozen_string_literal: true
+
+class AddRuleIndexToSecurityOrchestrationPolicyRuleSchedules < ActiveRecord::Migration[6.1]
+  def change
+    add_column :security_orchestration_policy_rule_schedules, :rule_index, :integer, null: false, default: 0
+  end
+end

db/schema_migrations/20210805085706

+ec968f1f9fcc5a3551664e74726e1c65b327128e2388e1357ae6d0cf6f05fb95
\ No newline at end of file

db/structure.sql

@@ -18053,6 +18053,7 @@ CREATE TABLE security_orchestration_policy_rule_schedules (
     user_id bigint NOT NULL,
     policy_index integer NOT NULL,
     cron text NOT NULL,
+    rule_index integer DEFAULT 0 NOT NULL,
     CONSTRAINT check_915825a76e CHECK ((char_length(cron) <= 255))
 );
 

ee/app/models/security/orchestration_policy_rule_schedule.rb

@@ -15,6 +15,7 @@ module Security
     validates :security_orchestration_policy_configuration, presence: true
     validates :cron, presence: true
     validates :policy_index, presence: true
+    validates :rule_index, presence: true
 
     scope :runnable_schedules, -> { where("next_run_at < ?", Time.zone.now) }
     scope :with_owner, -> { includes(:owner) }

ee/spec/factories/security_orchestration_policy_rule_schedules.rb

@@ -6,6 +6,7 @@ FactoryBot.define do
     security_orchestration_policy_configuration
 
     policy_index { 0 }
+    rule_index { 0 }
     cron { '*/10 * * * *' }
   end
 end

ee/spec/models/security/orchestration_policy_rule_schedule_spec.rb

@@ -15,6 +15,7 @@ RSpec.describe Security::OrchestrationPolicyRuleSchedule do
     it { is_expected.to validate_presence_of(:security_orchestration_policy_configuration) }
     it { is_expected.to validate_presence_of(:cron) }
     it { is_expected.to validate_presence_of(:policy_index) }
+    it { is_expected.to validate_presence_of(:rule_index) }
   end
 
   describe '.runnable_schedules' do