X-Git-Url: https://git.p6c8.net/psmysqlbackup.git/blobdiff_plain/22cc4213448f24a39515d9b3c6a906b85dfbdb19..c14900eb8e16162feabd2f6c9b6317c3d50e1e9f:/psmysqlbackup.ps1?ds=inline

diff --git a/psmysqlbackup.ps1 b/psmysqlbackup.ps1
index 164bdeb..4e2a692 100644
--- a/psmysqlbackup.ps1
+++ b/psmysqlbackup.ps1
@@ -1,4 +1,5 @@
 [String]$configMysqlHost = "localhost"
+[Int32]$configMysqlPort = 3306
 [String]$configMysqlUser = "backup"
 [String]$configMysqlPassword = "backup"
 
@@ -6,23 +7,52 @@
 [String]$configMysqldumpCli = "C:\Program Files\MariaDB 10.5\bin\mysqldump.exe"
 
 [String]$configBackupDir = "backup"
-[String]$configRotate = 7
+[Int32]$configRotate = 7
 
 function Get-Databases() {
-    $databaseString = (& $configMysqlCli --host=$configMysqlHost --user=$configMysqlUser --password=$configMysqlPassword --batch --skip-column-names -e "SHOW DATABASES;")
+    $databaseString = (& $configMysqlCli --host=$configMysqlHost --port=$configMysqlPort --user=$configMysqlUser --password=$configMysqlPassword --batch --skip-column-names -e "SHOW DATABASES;")
     $databases = $databaseString.split([Environment]::NewLine)
 
     return $databases
 }
 
 function Create-Backup([String]$database, [String]$target) {
-    & $configMysqldumpCli --host=$configMysqlHost --user=$configMysqlUser --password=$configMysqlPassword --single-transaction --result-file=$target $database
+    & $configMysqldumpCli --host=$configMysqlHost --port=$configMysqlPort --user=$configMysqlUser --password=$configMysqlPassword --single-transaction --result-file=$target $database
 }
 
+function Rotate-Backups($backupDir) {
+    if($configRotate -le 0) {
+		return
+	}
+	
+	$keepBackupsCount = $configRotate
+	
+	Get-ChildItem $backupDir -File | Where-Object {($_.Name -match "^backup-.+-\d{8,}-\d{6}\.sql$")} | Sort-Object -Descending |
+	Foreach-Object {
+		if($keepBackupsCount -ge 0) {
+			$keepBackupsCount--
+		}
+		
+		if($keepBackupsCount -eq -1) {
+			Write-Output "Deleting backup $($_.FullName)"
+			Remove-Item -Force $_.FullName
+		}
+	}
+}
+
+$currDaytime = Get-Date -format "yyyyMMdd-HHmmss"
+
 $databases = Get-Databases | Where-Object { $_ -ne "information_schema" -and $_ -ne "performance_schema"}
 
 foreach($d in $databases) {
-    $backupFile = $configBackupDir + "\" + $d + ".sql"
-    Write-Output "Backing up $d to $backupFile..."
-    Create-Backup $d $backupFile
+    $databaseBackupDir = Join-Path -Path $configBackupDir -ChildPath $d
+
+    if(!(Test-Path $databaseBackupDir)) {
+        New-Item -ItemType directory -Path $databaseBackupDir -ErrorAction Stop | Out-Null
+    }
+
+    $databaseBackupFile = Join-Path -Path $databaseBackupDir -ChildPath "backup-$d-$currDaytime.sql"
+    Write-Output "Backing up $d to $databaseBackupFile..."
+    Create-Backup $d $databaseBackupFile
+    Rotate-Backups $databaseBackupDir
 }
\ No newline at end of file