[String]$configMysqlHost = "localhost"
+[Int32]$configMysqlPort = 3306
[String]$configMysqlUser = "backup"
[String]$configMysqlPassword = "backup"
[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"
$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