]> git.p6c8.net - dsmonrot.git/blobdiff - dsmonrot.ps1
git.p6c8.net / dsmonrot.git / blobdiff
? search:
summary | shortlog | log | commit | commitdiff | tree
raw | inline | side by side
- Check if directories are created successfully and send an error message by
[dsmonrot.git] / dsmonrot.ps1
diff --git a/dsmonrot.ps1 b/dsmonrot.ps1
index b838d7500bf8cf52597d417fbfeeda4567aa4431..6a510c9caf0a1afc8120744787d6f3b68e6ca050 100644 (file)
--- a/dsmonrot.ps1
+++ b/dsmonrot.ps1
@@ -13,12 +13,23 @@
 \r
 # Path to backup directory\r
 [String]$backupDir = "Z:\"\r
 \r
 # Path to backup directory\r
 [String]$backupDir = "Z:\"\r
-# Keep backup for this amount of months (excluding the current month), -1 for indefinite\r
+# Keep backup for this amount of months (excluding the current month),\r
+# -1 for indefinite\r
 [Int32]$keepMonths = 2\r
 [Int32]$keepMonths = 2\r
+# Rotate BEFORE the beginning of a full backup (default is after a successful\r
+# full backup)\r
+# WARNING: If this option is set to $True and the full backup fails you have\r
+# NO backup\r
+$rotateBeforeBackup = $False\r
 # Path to Drive Snapshot\r
 [String]$dsPath = "C:\Users\Patrick\Desktop\DSMonRot\snapshot.exe"\r
 # Path to Drive Snapshot\r
 [String]$dsPath = "C:\Users\Patrick\Desktop\DSMonRot\snapshot.exe"\r
-# Path to Drive Snapshot log file\r
-[String]$dsLogFile = "C:\Users\Patrick\Desktop\DSMonRot\snapshot.log"\r
+# Path to Drive Snapshot log file (specify only the file name if you set\r
+# $dsLogFileToBackup to $True)\r
+#[String]$dsLogFile = "C:\Users\Patrick\Desktop\DSMonRot\snapshot.log"\r
+[String]$dsLogFile = "snapshot.log"\r
+# Set to $True if you want to put the log file of Drive Snapshot into the same\r
+# directory as the backup\r
+[Boolean]$dsLogFileToBackup = $True\r
 # Disks to backup, see http://www.drivesnapshot.de/en/commandline.htm\r
 [String]$disksToBackup = "HD1:1"\r
 # Path to DSMonRot log file\r
 # Disks to backup, see http://www.drivesnapshot.de/en/commandline.htm\r
 [String]$disksToBackup = "HD1:1"\r
 # Path to DSMonRot log file\r
@@ -40,7 +51,7 @@
 # To address of email notification\r
 [String]$emailToAddress = "patrick@test.local"\r
 # Subject of email notification\r
 # To address of email notification\r
 [String]$emailToAddress = "patrick@test.local"\r
 # Subject of email notification\r
-[String]$emailSubject = "DSMonRot"\r
+[String]$emailSubject = "DSMonRot on $env:computername"\r
 # Mail server\r
 [String]$emailMailserver = "localhost"\r
 # SMTP Port\r
 # Mail server\r
 [String]$emailMailserver = "localhost"\r
 # SMTP Port\r
@@ -56,7 +67,7 @@
 \r
 # End of config\r
 \r
 \r
 # End of config\r
 \r
-$dsAdditionalArgs = @("--logfile:$dsLogFile", "--UseVSS")\r
+$dsAdditionalArgs = @("--UseVSS")\r
 \r
 # Allow SMTP with SSL and SMTP Auth\r
 # see: http://petermorrissey.blogspot.de/2013/01/sending-smtp-emails-with-powershell.html\r
 \r
 # Allow SMTP with SSL and SMTP Auth\r
 # see: http://petermorrissey.blogspot.de/2013/01/sending-smtp-emails-with-powershell.html\r
@@ -64,24 +75,52 @@ function Send-Email([String]$body) {
        Write-Host "Sending email: $emailToAddress, $body"\r
        \r
        try {\r
        Write-Host "Sending email: $emailToAddress, $body"\r
        \r
        try {\r
-               $smtp = New-Object System.Net.Mail.SmtpClient($emailMailServer, $emailPort);\r
+               $smtp = New-Object System.Net.Mail.SmtpClient($emailMailServer, $emailPort)\r
 \r
                $smtp.EnableSSL = $emailSSL\r
 \r
                if($emailAuth) {\r
 \r
                $smtp.EnableSSL = $emailSSL\r
 \r
                if($emailAuth) {\r
-                       $smtp.Credentials = New-Object System.Net.NetworkCredential($emailUser, $emailPassword);\r
+                       $smtp.Credentials = New-Object System.Net.NetworkCredential($emailUser, $emailPassword)\r
                }\r
 \r
                }\r
 \r
-               $smtp.Send($emailFromAddress, $emailToAddress, $emailSubject, $body);\r
+               $smtp.Send($emailFromAddress, $emailToAddress, $emailSubject, $body)\r
        }\r
        catch {\r
                Write-Host "Could not send email: $_.Exception.Message"\r
        }\r
 }\r
 \r
        }\r
        catch {\r
                Write-Host "Could not send email: $_.Exception.Message"\r
        }\r
 }\r
 \r
+function Rotate-Backup {\r
+       if($keepMonths -lt 0) {\r
+               return\r
+       }\r
+\r
+       Write-Host "Rotating"\r
+       \r
+       $keepMonthsCount = $keepMonths\r
+       \r
+       Get-ChildItem $backupDir -Directory | Where-Object {($_.Name -ne $currMonth) -and ($_.Name -match "^\d{4,}-\d{2}$")} | Sort-Object -Descending |\r
+       Foreach-Object {\r
+               Write-Host $_ "=>" $_.FullName\r
+               \r
+               if($keepMonthsCount -ge 0) {\r
+                       $keepMonthsCount--\r
+               }\r
+               \r
+               if($keepMonthsCount -eq -1) {\r
+                       Write-Host "Deleting $_"\r
+                       Remove-Item -Recurse -Force $_.FullName\r
+               }\r
+       }\r
+}\r
+\r
+$startTime = Get-Date -format "yyyy-MM-dd HH:mm:ss"\r
+Write-Host "Started at $startTime"\r
+\r
 $errorMessages = @()\r
 \r
 $smbConnected = $False\r
 $errorMessages = @()\r
 \r
 $smbConnected = $False\r
+$doBackup = $False\r
 $success = $False\r
 \r
 if($smbDrive) {\r
 $success = $False\r
 \r
 if($smbDrive) {\r
@@ -105,7 +144,7 @@ if($smbDrive) {
                $smbConnected = $True\r
        }\r
        Catch {\r
                $smbConnected = $True\r
        }\r
        Catch {\r
-               Write-Host "Could not connect to network drive: $_.Exception.Message"\r
+               Write-Host "Could not connect to network drive $smbDrive`: $_.Exception.Message"\r
                exit\r
        }\r
 }\r
                exit\r
        }\r
 }\r
@@ -139,81 +178,113 @@ if((Test-Path $backupTarget) -and (Test-Path $backupTargetFull) -and (Test-Path
                \r
                try {\r
                        New-Item -ItemType directory -Path $backupTargetDiff -ErrorAction Stop\r
                \r
                try {\r
                        New-Item -ItemType directory -Path $backupTargetDiff -ErrorAction Stop\r
-               \r
-                       $success = $True\r
+                       $doBackup = $True\r
                }\r
                catch {\r
                        Write-Host "Could not create directory $backupTargetDiff`: $_.Exception.Message"\r
                }\r
                catch {\r
                        Write-Host "Could not create directory $backupTargetDiff`: $_.Exception.Message"\r
-                       exit\r
+                       $errorMessages += "Could not create directory $backupTargetDiff`: $_.Exception.Message"\r
                }\r
                \r
                }\r
                \r
-               $dsArgs = @($disksToBackup, "$backupTargetDiff\`$disk.sna", "-h$backupTargetFull\`$disk.hsh") + $dsAdditionalArgs\r
-               Write-Host $dsPath ($dsArgs -join " ")\r
-               \r
-               & $dsPath $dsArgs\r
-               \r
-               if($LastExitCode -ne 0) {\r
-                       Write-Host "Error code: $LastExitCode"\r
+               if($doBackup) {\r
+                       $dsLogPath = if($dsLogFileToBackup) { "$backupTargetDiff\$dsLogFile" } else { $dsLogFile }\r
+                       \r
+                       $dsArgs = @($disksToBackup, "--logfile:$dsLogPath", "$backupTargetDiff\`$disk.sna", "-h$backupTargetFull\`$disk.hsh") + $dsAdditionalArgs\r
+                       Write-Host $dsPath ($dsArgs -join " ")\r
+                       \r
+                       & $dsPath $dsArgs\r
+                       \r
+                       if($LastExitCode -ne 0) {\r
+                               Write-Host "Drive Snapshot failed to backup! Exit code: $LastExitCode"\r
+                               $errorMessages += "Drive Snapshot failed to backup! Exit code: $LastExitCode"\r
+                       }\r
+                       else {\r
+                               $success = $True\r
+                       }\r
                }\r
        }\r
        else {\r
                Write-Host "Directory $backupTargetDiff already exists!"\r
                }\r
        }\r
        else {\r
                Write-Host "Directory $backupTargetDiff already exists!"\r
-               \r
                $errorMessages += "Directory $backupTargetDiff already exists!"\r
        }\r
 }\r
 else {\r
        Write-Host "Full backup"\r
                $errorMessages += "Directory $backupTargetDiff already exists!"\r
        }\r
 }\r
 else {\r
        Write-Host "Full backup"\r
-       \r
+\r
        if(!(Test-Path $backupTarget)) {\r
                Write-Host "Creating directory $backupTarget"\r
        if(!(Test-Path $backupTarget)) {\r
                Write-Host "Creating directory $backupTarget"\r
-               New-Item -ItemType directory -Path $backupTarget\r
+               \r
+               try {\r
+                       New-Item -ItemType directory -Path $backupTarget -ErrorAction Stop\r
+               }\r
+               catch {\r
+                       Write-Host "Could not create directory $backupTarget`: $_.Exception.Message"\r
+                       $errorMessages += "Could not create directory $backupTarget`: $_.Exception.Message"\r
+               }\r
        }\r
        \r
        if(!(Test-Path $backupTargetFull)) {\r
                Write-Host "Creating directory $backupTargetFull"\r
        }\r
        \r
        if(!(Test-Path $backupTargetFull)) {\r
                Write-Host "Creating directory $backupTargetFull"\r
-               New-Item -ItemType directory -Path $backupTargetFull\r
+               \r
+               try {\r
+                       New-Item -ItemType directory -Path $backupTargetFull -ErrorAction Stop\r
+                       $doBackup = $True\r
+               }\r
+               catch {\r
+                       Write-Host "Could not create directory $backupTargetFull`: $_.Exception.Message"\r
+                       $errorMessages += "Could not create directory $backupTargetFull`: $_.Exception.Message"\r
+               }\r
        }\r
        }\r
-\r
-       $dsArgs = @($disksToBackup, "$backupTargetFull\`$disk.sna") + $dsAdditionalArgs\r
-       Write-Host $dsPath ($dsArgs -join " ")\r
-       \r
-       & $dsPath $dsArgs\r
-       \r
-       if($LastExitCode -ne 0) {\r
-               Write-Host "Error code: $LastExitCode"\r
+       else {\r
+               $doBackup = $True\r
        }\r
        \r
        }\r
        \r
-       $success = $False\r
-}\r
+       if($doBackup) {\r
+               if($rotateBeforeBackup) {\r
+                       Rotate-Backup\r
+               }\r
+               \r
+               $dsLogPath = if($dsLogFileToBackup) { "$backupTargetFull\$dsLogFile" } else { $dsLogFile }\r
 \r
 \r
-if($isDiff -eq $False -and $success -eq $True -and $keepMonths -ge 0) {\r
-       Write-Host "Rotating"\r
-       \r
-       $keepMonthsCount = $keepMonths\r
-       \r
-       Get-ChildItem $backupDir -Directory | Where-Object {($_.Name -ne $currMonth) -and ($_.Name -match "^\d{4,}-\d{2}$")} | Sort-Object -Descending |\r
-       Foreach-Object {\r
-               Write-Host $_ "=>" $_.FullName\r
+               $dsArgs = @($disksToBackup, "--logfile:$dsLogPath", "$backupTargetFull\`$disk.sna") + $dsAdditionalArgs\r
+               Write-Host $dsPath ($dsArgs -join " ")\r
                \r
                \r
-               if($keepMonthsCount -ge 0) {\r
-                       $keepMonthsCount--\r
-               }\r
+               & $dsPath $dsArgs\r
                \r
                \r
-               Write-Host $keepMonthsCount\r
+               if($LastExitCode -ne 0) {\r
+                       Write-Host "Drive Snapshot failed to backup! Exit code: $LastExitCode"\r
+                       $errorMessages += "Drive Snapshot failed to backup! Exit code: $LastExitCode"\r
+               }\r
+               else {\r
+                       $success = $True\r
+               }\r
                \r
                \r
-               if($keepMonthsCount -eq -1) {\r
-                       Write-Host "Deleting $_"\r
-                       Remove-Item -Recurse -Force $_.FullName\r
+               if($rotateBeforeBackup -eq $False -and $success -eq $True) {\r
+                       Rotate-Backup\r
                }\r
        }\r
 }\r
 \r
 if($smbConnected) {\r
        Write-Host "Disconnecting network drive"\r
                }\r
        }\r
 }\r
 \r
 if($smbConnected) {\r
        Write-Host "Disconnecting network drive"\r
-       Remove-PSDrive $smbDrive\r
+       \r
+       try {\r
+               Remove-PSDrive $smbDrive -ErrorAction Stop\r
+       }\r
+       catch {\r
+               Write-Host "Could not disconnect network drive $smbDrive`: $_.Exception.Message"\r
+               $errorMessages +=  "Could not disconnect network drive $smbDrive`: $_.Exception.Message"\r
+       }\r
 }\r
 \r
 if($emailOnError -and $errorMessages.Count -gt 0) {\r
 }\r
 \r
 if($emailOnError -and $errorMessages.Count -gt 0) {\r
-       Send-Email ("Error:`n"+($errorMessages -join "`n"))\r
-}
\ No newline at end of file
+       $emailBody  = "This is DSMonRot on $env:computername, started at $startTime.`n"\r
+       $emailBody += "An error occured while performing a backup. Below are the error messages and some status information.`n`n"\r
+       $emailBody += "Differential backup: $isDiff`n"\r
+       $emailBody += "Backup successfull:  $success`n`n"\r
+       $emailBody += ($errorMessages -join "`n")\r
+\r
+       Send-Email ($emailBody)\r
+}\r
+\r
+$endTime = Get-Date -format "yyyy-MM-dd HH:mm:ss"\r
+Write-Host "Ended at $endTime"
\ No newline at end of file
Script for rotating Drive Snapshot backups monthly

patrick-canterino.de