ProtectDB_Laba6_Task2

USE [msdb]
GO

/****** Object:  Job [Laba6_Task2]    Script Date: 12/17/2023 1:10:59 AM ******/
EXEC msdb.dbo.sp_delete_job @job_id=N'eabd4aa0-480e-4bb3-9aae-c3a0f8aaf711', @delete_unused_schedule=1
GO

/****** Object:  Job [Laba6_Task2]    Script Date: 12/17/2023 1:10:59 AM ******/
BEGIN TRANSACTION
DECLARE @ReturnCode INT
SELECT @ReturnCode = 0
/****** Object:  JobCategory [[Uncategorized (Local)]]    Script Date: 12/17/2023 1:10:59 AM ******/
IF NOT EXISTS (SELECT name FROM msdb.dbo.syscategories WHERE name=N'[Uncategorized (Local)]' AND category_class=1)
BEGIN
EXEC @ReturnCode = msdb.dbo.sp_add_category @class=N'JOB', @type=N'LOCAL', @name=N'[Uncategorized (Local)]'
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback

END

DECLARE @jobId BINARY(16)
EXEC @ReturnCode =  msdb.dbo.sp_add_job @job_name=N'Laba6_Task2',
        @enabled=1,
        @notify_level_eventlog=0,
        @notify_level_email=0,
        @notify_level_netsend=0,
        @notify_level_page=0,
        @delete_level=0,
        @description=N'No description available.',
        @category_name=N'[Uncategorized (Local)]',
        @owner_login_name=N'WIN-E0QK7UCTJ3T\user', @job_id = @jobId OUTPUT
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
/****** Object:  Step [Clear old backups]    Script Date: 12/17/2023 1:10:59 AM ******/
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep @job_id=@jobId, @step_name=N'Clear old backups',
        @step_id=1,
        @cmdexec_success_code=0,
        @on_success_action=3,
        @on_success_step_id=0,
        @on_fail_action=2,
        @on_fail_step_id=0,
        @retry_attempts=0,
        @retry_interval=0,
        @os_run_priority=0, @subsystem=N'PowerShell',
        @command=N'rm D:/backups/diff/*.bak',
        @database_name=N'master',
        @output_file_name=N'D:\backups\log.txt',
        @flags=2
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
/****** Object:  Step [Backup database Laba6]    Script Date: 12/17/2023 1:10:59 AM ******/
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep @job_id=@jobId, @step_name=N'Backup database Laba6',
        @step_id=2,
        @cmdexec_success_code=0,
        @on_success_action=3,
        @on_success_step_id=0,
        @on_fail_action=2,
        @on_fail_step_id=0,
        @retry_attempts=0,
        @retry_interval=0,
        @os_run_priority=0, @subsystem=N'TSQL',
        @command=N'declare @datetimepart nvarchar(50) = FORMAT(GETDATE(), ''_yyyy_MM_dd_HH_mm_ss'')
declare @backupFilePath nvarchar(50) = CONCAT(''D:\Backups\diff\diff'',@datetimepart,''.bak'')
BACKUP DATABASE Laba6
TO DISK = @backupFilePath
with DIFFERENTIAL',
        @database_name=N'master',
        @output_file_name=N'D:\backups\log.txt',
        @flags=2
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
/****** Object:  Step [Copy on other computer]    Script Date: 12/17/2023 1:10:59 AM ******/
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep @job_id=@jobId, @step_name=N'Copy on other computer',
        @step_id=3,
        @cmdexec_success_code=0,
        @on_success_action=3,
        @on_success_step_id=0,
        @on_fail_action=2,
        @on_fail_step_id=0,
        @retry_attempts=0,
        @retry_interval=0,
        @os_run_priority=0, @subsystem=N'PowerShell',
        @command=N'cp D:\backups\diff\*.bak -Destination Microsoft.Powershell.Core\FileSystem:://WIN-E0QK7UCTJ3T/ShareFolder/backups/diff',
        @database_name=N'master',
        @output_file_name=N'D:\backups\log.txt',
        @flags=2
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
/****** Object:  Step [Restore database Laba6_copy]    Script Date: 12/17/2023 1:10:59 AM ******/
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep @job_id=@jobId, @step_name=N'Restore database Laba6_copy',
        @step_id=4,
        @cmdexec_success_code=0,
        @on_success_action=1,
        @on_success_step_id=0,
        @on_fail_action=2,
        @on_fail_step_id=0,
        @retry_attempts=0,
        @retry_interval=0,
        @os_run_priority=0, @subsystem=N'TSQL',
        @command=N'--Объявляем переменные для названий файлов
declare @remoteFolderPath nvarchar(100) = N''\\WIN-E0QK7UCTJ3T\ShareFolder\backups''
declare @fullBackupFileName nvarchar(50)
declare @diffBackupFileName nvarchar(50)

--получаем название файла дифф бекапа
declare @cmdQuery nvarchar(255) = ''PowerShell.exe "ls -Path "//WIN-E0QK7UCTJ3T/ShareFolder/backups/diff"| Sort Name| Select -last 1 Name| Select-Object -ExpandProperty Name"''

create table #output (id int identity(1,1), output nvarchar(255) null)
insert #output (output) exec xp_cmdshell @cmdQuery

select @diffBackupFileName = output from #output where len(output) > 0

--получаем название файла полного бекапа
set @cmdQuery  = replace(@cmdQuery, N''diff'', N''full'')

delete from #output;
insert #output (output) exec xp_cmdshell @cmdQuery

select @fullBackupFileName = output from #output where len(output) > 0
drop table #output

--собираем пути к файлам бекапа
declare @diffBackupFilePath nvarchar(100) = CONCAT(@remoteFolderPath, ''\diff\'',@diffBackupFileName)
declare @fullBackupFilePath nvarchar(100) = CONCAT(@remoteFolderPath, ''\full\'',@fullBackupFileName)
--declare @diffBackupFileNameWithoutExtention nvarchar(100) = replace(@diffBackupFileName, N''.bak'', N'''')
--declare @fullBackupFileNameWithoutExtention nvarchar(100) = replace(@fullBackupFileName, N''.bak'', N'''')
--select concat(@diffBackupFilePath, ''|'', @fullBackupFilePath)

--убиваем все подключения к бд и дропаем базу
DECLARE @DatabaseName nvarchar(50)
SET @DatabaseName = N''Laba6_copy''
DECLARE @SQL varchar(max)
SELECT @SQL = COALESCE(@SQL,'''') + ''Kill '' + Convert(varchar, SPId) + '';''
FROM MASTER..SysProcesses
WHERE DBId = DB_ID(@DatabaseName) AND SPId <> @@SPId
EXEC(@SQL)
drop database if exists Laba6_copy

--ресторим
restore database Laba6_copy --полный
from disk = @fullBackupFilePath
with file = 1, norecovery, replace,
move N''Laba6''
TO ''C:\Program Files\Microsoft SQL Server\MSSQL16.MSSQLSERVER\MSSQL\Backup\full\Laba6.mdf'',
move N''Laba6_log''
TO ''C:\Program Files\Microsoft SQL Server\MSSQL16.MSSQLSERVER\MSSQL\Backup\full\Laba6_log.mdf''

restore database Laba6_copy--дифф
from disk = @diffBackupFilePath
with file = 1, recovery--, replace,
--move N''Laba6''
--TO ''C:\Program Files\Microsoft SQL Server\MSSQL16.MSSQLSERVER\MSSQL\Backup\diff\Laba6.mdf'',
--move N''Laba6_log''
--TO ''C:\Program Files\Microsoft SQL Server\MSSQL16.MSSQLSERVER\MSSQL\Backup\diff\Laba6_log.mdf''',
        @database_name=N'master',
        @output_file_name=N'D:\backups\log.txt',
        @flags=2
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
EXEC @ReturnCode = msdb.dbo.sp_update_job @job_id = @jobId, @start_step_id = 1
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
EXEC @ReturnCode = msdb.dbo.sp_add_jobschedule @job_id=@jobId, @name=N'Laba6_Task2_EveryDay',
        @enabled=1,
        @freq_type=4,
        @freq_interval=1,
        @freq_subday_type=1,
        @freq_subday_interval=0,
        @freq_relative_interval=0,
        @freq_recurrence_factor=0,
        @active_start_date=20231217,
        @active_end_date=99991231,
        @active_start_time=20000,
        @active_end_time=235959,
        @schedule_uid=N'1089eaa2-886c-4e09-9ce1-3d411e00a656'
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
EXEC @ReturnCode = msdb.dbo.sp_add_jobserver @job_id = @jobId, @server_name = N'(local)'
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
COMMIT TRANSACTION
GOTO EndSave
QuitWithRollback:
    IF (@@TRANCOUNT > 0) ROLLBACK TRANSACTION
EndSave:
GO