# Keep backup for this amount of months (excluding the current month),\r
# -1 for indefinite\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 $True and the full backup fails you could\r
+# have NO backup\r
+$rotateBeforeBackup = $False\r
# Path to Drive Snapshot\r
[String]$dsPath = "C:\Users\Patrick\Desktop\DSMonRot\snapshot.exe"\r
# Path to Drive Snapshot log file (specify only the file name if you set\r
}\r
}\r
\r
-Write-Host "Started at" (Get-Date -format "yyyy-MM-dd HH:mm:ss")\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 = $False\r
+$doBackup = $False\r
$success = $False\r
+$isDiff = $False\r
+$dsCommand = ""\r
\r
if($smbDrive) {\r
- Try {\r
+ try {\r
Write-Host "Connecting network drive"\r
\r
if($smbUser -and $smbPassword) {\r
\r
$smbConnected = $True\r
}\r
- Catch {\r
+ catch {\r
Write-Host "Could not connect to network drive $smbDrive`: $_.Exception.Message"\r
- exit\r
+ $errorMessages += "Could not connect to network drive $smbDrive`: $_.Exception.Message"\r
}\r
}\r
\r
if(!(Test-Path $backupDir)) {\r
Write-Host "Directory $backupDir does not exist!"\r
- exit\r
+ $errorMessages += "Directory $backupDir does not exist!"\r
}\r
\r
-$currMonth = Get-Date -format "yyyy-MM"\r
-$currDay = Get-Date -format "yyyy-MM-dd"\r
+if($errorMessages.Count -eq 0) {\r
+ $currMonth = Get-Date -format "yyyy-MM"\r
+ $currDay = Get-Date -format "yyyy-MM-dd"\r
\r
-Write-Host $currMonth\r
+ Write-Host $currMonth\r
\r
-$backupTarget = $backupDir + "\" + $currMonth\r
-$backupTargetFull = $backupTarget + "\" + "Full"\r
+ $backupTarget = $backupDir + "\" + $currMonth\r
+ $backupTargetFull = $backupTarget + "\" + "Full"\r
\r
-$backupTargetDiff = $backupTarget + "\" + "Diff-" + $currDay\r
+ $backupTargetDiff = $backupTarget + "\" + "Diff-" + $currDay\r
\r
-Write-Host $backupTarget\r
+ Write-Host $backupTarget\r
\r
-$isDiff = $False\r
-\r
-if((Test-Path $backupTarget) -and (Test-Path $backupTargetFull) -and (Test-Path "$backupTargetFull\*.hsh")) {\r
- Write-Host "Differential backup"\r
- \r
- $isDiff = $True\r
- \r
- if(!(Test-Path $backupTargetDiff)) {\r
- Write-Host "Creating directory $backupTargetDiff"\r
+ if((Test-Path $backupTarget) -and (Test-Path $backupTargetFull) -and (Test-Path "$backupTargetFull\*.hsh")) {\r
+ Write-Host "Differential backup"\r
\r
- try {\r
- New-Item -ItemType directory -Path $backupTargetDiff -ErrorAction Stop\r
+ $isDiff = $True\r
\r
- $success = $True\r
- }\r
- catch {\r
- Write-Host "Could not create directory $backupTargetDiff`: $_.Exception.Message"\r
- exit\r
- }\r
- \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
+ if(!(Test-Path $backupTargetDiff)) {\r
+ Write-Host "Creating directory $backupTargetDiff"\r
+ \r
+ try {\r
+ New-Item -ItemType directory -Path $backupTargetDiff -ErrorAction Stop\r
+ $doBackup = $True\r
+ }\r
+ catch {\r
+ Write-Host "Could not create directory $backupTargetDiff`: $_.Exception.Message"\r
+ $errorMessages += "Could not create directory $backupTargetDiff`: $_.Exception.Message"\r
+ }\r
+ \r
+ if($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
+ $dsCommand = "$dsPath $dsArgs"\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
- $success = $True\r
+ Write-Host "Directory $backupTargetDiff already exists!"\r
+ $errorMessages += "Directory $backupTargetDiff already exists!"\r
}\r
}\r
else {\r
- Write-Host "Directory $backupTargetDiff already exists!"\r
- $errorMessages += "Directory $backupTargetDiff already exists!"\r
- }\r
-}\r
-else {\r
- Write-Host "Full backup"\r
- \r
- if(!(Test-Path $backupTarget)) {\r
- Write-Host "Creating directory $backupTarget"\r
- New-Item -ItemType directory -Path $backupTarget\r
- }\r
- \r
- if(!(Test-Path $backupTargetFull)) {\r
- Write-Host "Creating directory $backupTargetFull"\r
- New-Item -ItemType directory -Path $backupTargetFull\r
- }\r
- \r
- $dsLogPath = if($dsLogFileToBackup) { "$backupTargetFull\$dsLogFile" } else { $dsLogFile }\r
-\r
- $dsArgs = @($disksToBackup, "--logfile:$dsLogPath", "$backupTargetFull\`$disk.sna") + $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 = $True\r
- }\r
-}\r
+ Write-Host "Full backup"\r
\r
-if(!$isDiff -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
+ if(!(Test-Path $backupTarget)) {\r
+ Write-Host "Creating directory $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`: $_.Exception.Message"\r
+ }\r
+ }\r
\r
- if($keepMonthsCount -ge 0) {\r
- $keepMonthsCount--\r
+ if(!(Test-Path $backupTargetFull)) {\r
+ Write-Host "Creating directory $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
+ else {\r
+ $doBackup = $True\r
}\r
\r
- if($keepMonthsCount -eq -1) {\r
- Write-Host "Deleting $_"\r
- Remove-Item -Recurse -Force $_.FullName\r
+ if($doBackup) {\r
+ if($rotateBeforeBackup) {\r
+ Rotate-Backup\r
+ }\r
+ \r
+ $dsLogPath = if($dsLogFileToBackup) { "$backupTargetFull\$dsLogFile" } else { $dsLogFile }\r
+\r
+ $dsArgs = @($disksToBackup, "--logfile:$dsLogPath", "$backupTargetFull\`$disk.sna") + $dsAdditionalArgs\r
+ Write-Host $dsPath ($dsArgs -join " ")\r
+ \r
+ $dsCommand = "$dsPath $dsArgs"\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 = $True\r
+ }\r
+ \r
+ if($rotateBeforeBackup -eq $False -and $success -eq $True) {\r
+ Rotate-Backup\r
+ }\r
}\r
}\r
}\r
}\r
\r
if($emailOnError -and $errorMessages.Count -gt 0) {\r
- Send-Email ("Error:`n"+($errorMessages -join "`n"))\r
+ $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 successful: $success`n"\r
+ $emailBody += "Drive Snapshot command: $dsCommand`n`n"\r
+ $emailBody += ($errorMessages -join "`n")\r
+\r
+ Send-Email ($emailBody)\r
}\r
\r
-Write-Host "Ended at" (Get-Date -format "yyyy-MM-dd HH:mm:ss")
\ No newline at end of file
+$endTime = Get-Date -format "yyyy-MM-dd HH:mm:ss"\r
+Write-Host "Ended at $endTime"
\ No newline at end of file
git.p6c8.net / dsmonrot.git / blobdiff