/*============================================================================= 

  Explication du traitement realise par le script
  -------------------------------------------
   1. Creation de la catégorie SQL Server Agent Alerts
   2. Creation de l'opérateur DBA_operator
   3. Creation de l'alerte Severité 19 Fatal Error in Resource
   4. Creation de l'alerte Severité 20 Fatal Error in Current Process
   5. Creation de l'alerte Severité 21 Fatal Error in Database Process
   6. Creation de l'alerte Severité 22 Fatal Error Table Integrity Suspect
   7. Creation de l'alerte Severité 23 Fatal Error Database Integrity Suspect
   8. Creation de l'alerte Severité 24 Fatal Hardware Error
   9. Creation de l'alerte Severité 25 Fatal Error
  10. Création de l'alerte de l'erreur 825 Read-Retry Required
 
  Creation : 06.06.2018 / FLA
 
  Modifications : 17.03.2022 - FLA : Change DBA mail
   
=============================================================================*/ 



USE [msdb]; 

/* Add categorie for SQL Server Agent Alerts */
DECLARE @CategoryName sysname,
        @OperatorName sysname,
        @AlertName    sysname
   
SET @CategoryName = N'SQL Server Agent Alerts';
SET @OperatorName = N'DBA_operator'

IF NOT EXISTS (SELECT *
                 FROM msdb.dbo.syscategories
                WHERE category_class = 2  /*2=Alert*/
                  AND category_type = 3
                  AND name = @CategoryName)
BEGIN
    EXEC dbo.sp_add_category @class = N'ALERT', @type = N'NONE', @name = @CategoryName; 
END 

/* Add operator DBA_operator for SQL Server Agent Alerts */
IF  EXISTS (SELECT name FROM msdb.dbo.sysoperators WHERE name = N'DBA_operator')
EXEC msdb.dbo.sp_delete_operator @name=N'DBA_operator'

EXEC msdb.dbo.sp_add_operator @name=N'DBA_operator', 
		@enabled=1, 
		@weekday_pager_start_time=90000, 
		@weekday_pager_end_time=180000, 
		@saturday_pager_start_time=90000, 
		@saturday_pager_end_time=180000, 
		@sunday_pager_start_time=90000, 
		@sunday_pager_end_time=180000, 
		@pager_days=0, 
		@email_address=N'Gal_SE_DBA@galenica.com', 
		@category_name=N'[Uncategorized]'

SET @AlertName = 'DBA - Sev 19 Error: Fatal Error in Resource'

IF NOT EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = @AlertName) 
    EXEC msdb.dbo.sp_add_alert @name = @AlertName, 
                               @message_id=0, 
                               @severity=19, 
                               @enabled=1, 
                               @delay_between_responses=900, 
                               @include_event_description_in=1, 
                               @category_name = @CategoryName

IF NOT EXISTS(SELECT name 
                FROM msdb.dbo.sysalerts AS sa 
          INNER JOIN msdb.dbo.sysnotifications AS sn 
                  ON sa.id = sn.alert_id 
               WHERE sa.name = @AlertName)
EXEC msdb.dbo.sp_add_notification @alert_name = @AlertName, @operator_name=@OperatorName, @notification_method = 1;


SET @AlertName = 'DBA - Sev 20 Error: Fatal Error in Current Process' 

IF  EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = @AlertName)
EXEC msdb.dbo.sp_delete_alert @name=@AlertName

IF NOT EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = @AlertName) 
    EXEC msdb.dbo.sp_add_alert @name = @AlertName, 
                               @message_id=0, 
                               @severity=20, 
                               @enabled=1, 
                               @delay_between_responses=900, 
                               @include_event_description_in=1, 
                               @category_name = @CategoryName

IF NOT EXISTS(SELECT name 
                FROM msdb.dbo.sysalerts AS sa 
          INNER JOIN msdb.dbo.sysnotifications AS sn 
                  ON sa.id = sn.alert_id 
               WHERE sa.name = @AlertName)
EXEC msdb.dbo.sp_add_notification @alert_name = @AlertName, @operator_name=@OperatorName, @notification_method = 1;  

SET @AlertName = 'DBA - Sev 21 Error: Fatal Error in Database Process' 

IF  EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = @AlertName)
EXEC msdb.dbo.sp_delete_alert @name=@AlertName

IF NOT EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = @AlertName) 
    EXEC msdb.dbo.sp_add_alert @name = @AlertName, 
                               @message_id=0, 
                               @severity=21, 
                               @enabled=1, 
                               @delay_between_responses=900, 
                               @include_event_description_in=1, 
                               @category_name = @CategoryName

IF NOT EXISTS(SELECT name 
                FROM msdb.dbo.sysalerts AS sa 
          INNER JOIN msdb.dbo.sysnotifications AS sn 
                  ON sa.id = sn.alert_id 
               WHERE sa.name = @AlertName)
EXEC msdb.dbo.sp_add_notification @alert_name = @AlertName, @operator_name=@OperatorName, @notification_method = 1; 

SET @AlertName = 'DBA - Sev 22 Error: Fatal Error Table Integrity Suspect' 

IF  EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = @AlertName)
EXEC msdb.dbo.sp_delete_alert @name=@AlertName

IF NOT EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = @AlertName) 
    EXEC msdb.dbo.sp_add_alert @name = @AlertName, 
                               @message_id=0, 
                               @severity=22, 
                               @enabled=1, 
                               @delay_between_responses=900, 
                               @include_event_description_in=1, 
                               @category_name = @CategoryName

IF NOT EXISTS(SELECT name 
                FROM msdb.dbo.sysalerts AS sa 
          INNER JOIN msdb.dbo.sysnotifications AS sn 
                  ON sa.id = sn.alert_id 
               WHERE sa.name = @AlertName)
EXEC msdb.dbo.sp_add_notification @alert_name = @AlertName, @operator_name=@OperatorName, @notification_method = 1; 

SET @AlertName = 'DBA - Sev 23 Error: Fatal Error Database Integrity Suspect' 

IF  EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = @AlertName)
EXEC msdb.dbo.sp_delete_alert @name=@AlertName

IF NOT EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = @AlertName) 
    EXEC msdb.dbo.sp_add_alert @name = @AlertName, 
                               @message_id=0, 
                               @severity=23, 
                               @enabled=1, 
                               @delay_between_responses=900, 
                               @include_event_description_in=1, 
                               @category_name = @CategoryName

IF NOT EXISTS(SELECT name 
                FROM msdb.dbo.sysalerts AS sa 
          INNER JOIN msdb.dbo.sysnotifications AS sn 
                  ON sa.id = sn.alert_id 
               WHERE sa.name = @AlertName)
EXEC msdb.dbo.sp_add_notification @alert_name = @AlertName, @operator_name=@OperatorName, @notification_method = 1; 

SET @AlertName = 'DBA - Sev 24 Error: Fatal Hardware Error' 

IF  EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = @AlertName)
EXEC msdb.dbo.sp_delete_alert @name=@AlertName

IF NOT EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = @AlertName) 
    EXEC msdb.dbo.sp_add_alert @name = @AlertName, 
                               @message_id=0, 
                               @severity=24, 
                               @enabled=1, 
                               @delay_between_responses=900, 
                               @include_event_description_in=1, 
                               @category_name = @CategoryName

IF NOT EXISTS(SELECT name 
                FROM msdb.dbo.sysalerts AS sa 
          INNER JOIN msdb.dbo.sysnotifications AS sn 
                  ON sa.id = sn.alert_id 
               WHERE sa.name = @AlertName)
EXEC msdb.dbo.sp_add_notification @alert_name = @AlertName, @operator_name=@OperatorName, @notification_method = 1; 

SET @AlertName = 'DBA - Sev 25 Error: Fatal Error' 

IF  EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = @AlertName)
EXEC msdb.dbo.sp_delete_alert @name=@AlertName

IF NOT EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = @AlertName) 
    EXEC msdb.dbo.sp_add_alert @name = @AlertName, 
                               @message_id=0, 
                               @severity=25, 
                               @enabled=1, 
                               @delay_between_responses=900, 
                               @include_event_description_in=1, 
                               @category_name = @CategoryName

IF NOT EXISTS(SELECT name 
                FROM msdb.dbo.sysalerts AS sa 
          INNER JOIN msdb.dbo.sysnotifications AS sn 
                  ON sa.id = sn.alert_id 
               WHERE sa.name = @AlertName)
EXEC msdb.dbo.sp_add_notification @alert_name = @AlertName, @operator_name=@OperatorName, @notification_method = 1; 


SET @AlertName = 'DBA - Error 825: Read-Retry Required' 

IF  EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = @AlertName)
EXEC msdb.dbo.sp_delete_alert @name=@AlertName

IF NOT EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = @AlertName) 
    EXEC msdb.dbo.sp_add_alert @name = @AlertName, 
                               @message_id=825, 
		                           @severity=0, 
                               @enabled=1, 
                               @delay_between_responses=900, 
                               @include_event_description_in=1, 
                               @category_name = @CategoryName

IF NOT EXISTS(SELECT name 
                FROM msdb.dbo.sysalerts AS sa 
          INNER JOIN msdb.dbo.sysnotifications AS sn 
                  ON sa.id = sn.alert_id 
               WHERE sa.name = @AlertName)
EXEC msdb.dbo.sp_add_notification @alert_name = @AlertName, @operator_name=@OperatorName, @notification_method = 1;