Allow to rotate BEFORE a full backup

[dsmonrot.git] / dsmonrot.ps1

diff --git a/dsmonrot.ps1 b/dsmonrot.ps1
index 82b501487a238bfe134293574f1c3d022ffc546d..b07d5ef3722452bc3f0f87f366d3d710fdd26c2e 100644 (file)
--- a/dsmonrot.ps1
+++ b/dsmonrot.ps1
@@ -16,6 +16,11 @@
 # Keep backup for this amount of months (excluding the current month),\r
 # -1 for indefinite\r
 [Int32]$keepMonths = 2\r
 # Keep backup for this amount of months (excluding the current month),\r
 # -1 for indefinite\r
 [Int32]$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 $True and the full backup fails you have\r
+# NO backup\r
+$rotateBeforeBackup = $False\r

 # Path to Drive Snapshot\r
 [String]$dsPath = "C:\Users\Patrick\Desktop\DSMonRot\snapshot.exe"\r
 # Path to Drive Snapshot log file (specify only the file name if you set\r
 # Path to Drive Snapshot\r
 [String]$dsPath = "C:\Users\Patrick\Desktop\DSMonRot\snapshot.exe"\r
 # Path to Drive Snapshot log file (specify only the file name if you set\r


@@ -85,6 +90,30 @@ function Send-Email([String]$body) {
        }\r
 }\r
 \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

 Write-Host "Started at" (Get-Date -format "yyyy-MM-dd HH:mm:ss")\r
 \r
 $errorMessages = @()\r
 Write-Host "Started at" (Get-Date -format "yyyy-MM-dd HH:mm:ss")\r
 \r
 $errorMessages = @()\r


@@ -177,7 +206,7 @@ if((Test-Path $backupTarget) -and (Test-Path $backupTargetFull) -and (Test-Path
 }\r
 else {\r
        Write-Host "Full backup"\r
 }\r
 else {\r
        Write-Host "Full backup"\r

-       \r
+\r

        if(!(Test-Path $backupTarget)) {\r
                Write-Host "Creating directory $backupTarget"\r
                New-Item -ItemType directory -Path $backupTarget\r
        if(!(Test-Path $backupTarget)) {\r
                Write-Host "Creating directory $backupTarget"\r
                New-Item -ItemType directory -Path $backupTarget\r


@@ -188,6 +217,10 @@ else {
                New-Item -ItemType directory -Path $backupTargetFull\r
        }\r
        \r
                New-Item -ItemType directory -Path $backupTargetFull\r
        }\r
        \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
        $dsLogPath = if($dsLogFileToBackup) { "$backupTargetFull\$dsLogFile" } else { $dsLogFile }\r
 \r
        $dsArgs = @($disksToBackup, "--logfile:$dsLogPath", "$backupTargetFull\`$disk.sna") + $dsAdditionalArgs\r


@@ -202,25 +235,9 @@ else {
        else {\r
                $success = $True\r
        }\r
        else {\r
                $success = $True\r
        }\r

-}\r
-\r
-if(!$isDiff -and $success -eq $True -and $keepMonths -ge 0) {\r
-       Write-Host "Rotating"\r
-       \r
-       $keepMonthsCount = $keepMonths\r

        \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 $_.FullName\r
-               }\r
+       if($rotateBeforeBackup -eq $False -and $success -eq $True) {\r
+               Rotate-Backup\r

        }\r
 }\r
 \r
        }\r
 }\r
 \r