Fazendo backup do Microsoft Azure Pack: Sites
Aplica-se a: Windows Azure Pack
O backup do Pacote do Windows Azure: Sites envolve três componentes principais: o Controlador de Sites, o SQL Server e o Servidor de Arquivos. Os links para as respectivas seções são fornecidos a seguir.
a. Controlador de Sites Backup
B. Backup do SQL Server
C. Servidor de Arquivos Backup
a. Controlador de Sites Backup
Para fazer backup do Controlador de Sites, você pode usar o script do PowerShell Backup.ps1 apresentado nesta seção. Esse script chama o gravador VSS (Volume Shadow Service) do Windows para executar o backup.
Copie o script Backup.ps1 no Controlador de Sites e execute o seguinte comando com privilégios de Administrador:
net use /Y $backupLocation /user:$backupMachineAdmin $backupMachinePassword
.\Backup.ps1 $backupLocation $encryptionKey
Observação
O sinalizador $encryptionKey é opcional, mas ele é altamente recomendável como precaução de segurança adicional.
Aviso
Não se esqueça da chave de criptografia, pois ela não é armazenada para você.
Veja a seguir o script Backup.ps1.
## Script to backup the controller using the Hosting VSS writer
param (
[parameter(Position=2)]
$backupPath,
[parameter(Position=3)]
$passphrase
)
function ShowHelp
{
Write-Host '===================== BACKUP.PS1 HELP ====================='
Write-Host 'This is a script that uses the Hosting VSS writer and creates a backup of the keys and offline feed'
Write-Host 'Invoke it using .\Backup.ps1 and follow the prompts'
Write-Host 'It can also be invoked as follows:'
Write-Host '.\Backup.ps1 <Backup path> <passphrase to encrypt keys with>'
Write-Host "Note: before running this script you may need to run:`r`n 'net use /Y <Backup path> /user:<username> <password>'"
Write-Host '==========================================================='
}
function CopyFiles
{
# copy from the exposed location to where we're backing up to
$commands = @()
# $exposedDrive is the VSS shadow copy drive
$commands += "'D' | xcopy /Y /q /E '${exposedDrive}:\$feedLocationNQ' '$backupPath\$feedLocationNQ'"
$commands += "'F' | xcopy /Y /q '${systemDrive}encryptedkeys.txt' '$backupPath'"
# wrap each command in retry logic
foreach ($command in $commands)
{
$final += ('$c = 0' +"`r`n")
$final += ('do {'+"`r`n")
$final += (' $c++' + "`r`n Start-Sleep -s 2`r`n ")
$final += ($command + "`r`n")
$final += '} while (!($?) -and $c -lt 10)'+"`r`n"
$command = $command -replace "'", '"'
$final += ('if($?)'+"{'Successfully executed: $command'}`r`n")
$final += ("else{ 'There was a problem executing: $command'}`r`n")
}
$final | Set-Content "copyfiles.ps1"
}
function EncryptKeys($keysFile, $passphrase, $salt, $init, $systemDrive)
{
$encryptscript = @"
function EncryptString(`$keysFile, `$passphrase, `$salt, `$init)
{
`$ret = @()
`$stringsToEncrypt = (Get-Content `$keysFile)
foreach (`$stringToEncrypt in `$stringsToEncrypt)
{
`$r = new-Object System.Security.Cryptography.RijndaelManaged
`$pass = [Text.Encoding]::UTF8.GetBytes(`$passphrase)
`$salt = [Text.Encoding]::UTF8.GetBytes(`$salt)
`$r.Key = (new-Object Security.Cryptography.PasswordDeriveBytes `$pass, `$salt, 'SHA1', 5).GetBytes(32) #256/8
`$r.IV = (new-Object Security.Cryptography.SHA1Managed).ComputeHash( [Text.Encoding]::UTF8.GetBytes(`$init) )[0..15]
`$c = `$r.CreateEncryptor()
`$ms = new-Object IO.MemoryStream
`$cs = new-Object Security.Cryptography.CryptoStream `$ms,`$c,'Write'
`$sw = new-Object IO.StreamWriter `$cs
`$sw.Write(`$stringToEncrypt)
`$sw.Close()
`$cs.Close()
`$ms.Close()
`$r.Clear()
[byte[]]`$result = `$ms.ToArray()
`$ret += [Convert]::ToBase64String(`$result)
}
return `$ret
}
"@
$encryptscript += "EncryptString '$keysFile' '$passphrase' '$salt' '$init' > '${systemDrive}encryptedkeys.txt'"
# $encryptscript += \"`r`ndel ${systemDrive}keys.txt\"
$encryptscript | set-content "encryptkeys.ps1"
}
if ($backupPath -and $backupPath.Contains('/?'))
{
ShowHelp
return
}
Write-Host 'Starting the backup process. Run with /? to see help.'
Write-Host "Note: before running this script you may need to run:`r`n 'net use /Y <backupPath> /user:<username> <password>'"
# argument parsing
if (!$backupPath)
{
$backupPath = Read-Host "Please enter the fully qualified backup path (e.g. \\backupmachine\C$\backuplocation)"
}
if (!$passphrase)
{
$passphrase = Read-Host "Please enter a passphrase to encrypt keys (leave blank for no encryption)" -AsSecureString
if (!$passphrase)
{
$passphrase = ""
}
else
{
$passphrase = [Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($passphrase))
}
}
$usedDisks = ((Get-WmiObject -Class Win32_LogicalDisk).DeviceID|%{$_ -replace ':',''})
foreach ($l in ([char[]]([char]'a'..[char]'z')))
{
if ($usedDisks -notcontains $l)
{
$exposedDrive = $l
break
}
}
$logfile = "backup.log"
$metadataLocation = 'metadata.cab'
# expand environment variables
$backupPath = ([System.Environment]::ExpandEnvironmentVariables($backupPath))
$systemDrive = [System.Environment]::ExpandEnvironmentVariables('%systemdrive%\')
$feedLocation = "${systemDrive}HostingOfflineFeed"
$feedLocation = ([System.Environment]::ExpandEnvironmentVariables($feedLocation))
$feedLocationNQ = Split-Path $feedLocation -NoQualifier
$feedLocationNQ = $feedLocationNQ.TrimStart('\')
$letterLocation = Split-Path $feedLocation -Qualifier
$letterLocation = $letterLocation -replace ':',''
# create powershell scripts
EncryptKeys "${systemDrive}keys.txt" $passphrase "salt12345" "init12345" $systemDrive
CopyFiles
# backup using diskshadow
$diskshadowScript += "set context persistent`r`n"
$diskshadowScript += "set metadata ${letterLocation}:\${metadataLocation}`r`n"
$diskshadowScript += "begin backup`r`n"
$diskshadowScript += "add volume ${feedLocation} alias ${feedLocationNQ}`r`n"
$diskshadowScript += "writer verify {079462f1-1079-48dd-b3fb-ccb2f2934ecf}`r`n"
$diskshadowScript += "create`r`n"
# copy files
$diskshadowScript += "expose %${feedLocationNQ}% ${exposedDrive}: `r`n"
$diskshadowScript += "exec ${env:windir}\System32\WindowsPowerShell\v1.0\powershell.exe .\encryptkeys.ps1`r`n"
$diskshadowScript += "exec ${env:windir}\System32\WindowsPowerShell\v1.0\powershell.exe .\copyfiles.ps1`r`n"
$diskshadowScript += "unexpose %${feedLocationNQ}%`r`n"
$diskshadowScript += "end backup`r`n"
$diskshadowScript += "delete shadows all`r`n"
$diskshadowScript += "exit`r`n"
$diskshadowScript | Set-Content "diskshadow1.txt"
write-host "===================== BEGINNING BACKUP ===================="
diskshadow /s "diskshadow1.txt" > $logfile
write-host "===================== BACKUP COMPLETE ====================="
write-host "======================= CLEANING UP ======================="
# CLEAN UP
del ${letterLocation}:\${metadataLocation} # metadata.cab
del "diskshadow1.txt"
write-host "===================== DONE CLEANING UP ===================="
write-host "=============== SEE BACKUP.LOG FOR DETAILS ================"
del "copyfiles.ps1"
del "encryptkeys.ps1"
del "${systemDrive}encryptedkeys.txt"
del "${systemDrive}keys.txt"
B. Backup do SQL Server
Ao fazer backup do SQL Server, faça backup do banco de dados Hospedagem, do banco de dados Medição de Recursos e do banco de dados mestre. Como o ambiente SQL de cada usuário é diferente, um único script não é capaz de atender aos requisitos de todos os usuários. O exemplo de script a seguir é fornecido meramente para fins ilustrativos e não tem suporte. O script criado por você deve ser executado com privilégios administrativos.
Exemplo de script de backup do SQL Server
Observação
Esse script não tem suporte da Microsoft.
param ([string] $backupUser = "Administrator", $backupPassword, $sqlServer, $sqlUser = "sa", $sqlPassword, $backupLocation = "\\backupMachine\c$\Backup")
sqlcmd -S $sqlServer -U $sqlUser -P $sqlPassword -Q "BACKUP DATABASE [Hosting] TO DISK='C:\HostingOfflineFeed\Hosting.bak'"
sqlcmd -S $sqlServer -U $sqlUser -P $sqlPassword -Q "BACKUP DATABASE [ResourceMetering] TO DISK='C:\HostingOfflineFeed\ResourceMetering.bak'"
sqlcmd -S $sqlServer -U $sqlUser -P $sqlPassword -Q "BACKUP DATABASE [master] TO DISK='C:\HostingOfflineFeed\master.bak'"
net use $backupLocation /user:$backupUser $backupPassword
xcopy /Y /q C:\HostingOfflineFeed\Hosting.bak $backupLocation\
xcopy /Y /q C:\HostingOfflineFeed\ResourceMetering.bak $backupLocation\
xcopy /Y /q C:\HostingOfflineFeed\master.bak $backupLocation\
del C:\HostingOfflineFeed\Hosting.bak
del C:\HostingOfflineFeed\ResourceMetering.bak
del C:\HostingOfflineFeed\master.bak
C. Servidor de Arquivos Backup
Ao fazer backup do Servidor de Arquivos, você deve fazer backup do compartilhamento WebSites, das ACLs da pasta declarada anteriormente e das cotas de Resource Manager do Servidor de Arquivos (FSRM) para o compartilhamento WebSites.
Observação
O compartilhamento de certificados não é usado em Windows Pacote do Azure V2 Update Rollup 6 ou posterior. Se você estiver executando uma versão anterior do Windows Sites do Azure Pack V2, faça backup do compartilhamento de Certificados e ACLs.
Como o ambiente do Servidor de Arquivos de cada usuário é diferente, um único script não é capaz de atender aos requisitos de todos os usuários. Os exemplos de scripts a seguir são fornecidos meramente para fins ilustrativos e não têm suporte. Os scripts criados por você devem ser executados com privilégios administrativos.
Exemplo de script de backup do Servidor de Arquivos
Observação
Esse script não tem suporte da Microsoft.
param ([string] $backupUser = "Administrator", $backupPassword, $websiteFolder = "C:\websites", $backupLocation = "\\backupmachine\c$\backup" )
net use $backupLocation /user:$backupUser $backupPassword
xcopy /Y /q /E $websiteFolder $backupLocation\
Exemplo de script de backup de dados da cota de FSRM
Observação
Esse script não tem suporte da Microsoft.
param ([string] $backupUser = "Administrator", $backupPassword, $backupLocation = "\\machine\c$\backup")
net use \\$backupLocation /user:$backupUser $backupPassword
dirquota template export /File:C:\templates.xml
xcopy /Y /q C:\templates.xml $backupLocation\
net stop srmReports
net stop srmSvc
net stop quota
net stop Datascrn
robocopy "C:\System Volume Information\SRM" $backupLocation\SRM /E /ZB /R:3 /W:5
net start Datascrn
net start quota
net start srmSvc
net start srmReports
Consulte Também
Restaurando o Microsoft Azure Pack: Sites
Implantar o Microsoft Azure Pack: Sites