psmysqlbackup.ps1

   1 [String]$configMysqlHost = "localhost"
   2 [String]$configMysqlUser = "backup"
   3 [String]$configMysqlPassword = "backup"
   4
   5 [String]$configMysqlCli = "C:\Program Files\MariaDB 10.5\bin\mysql.exe"
   6 [String]$configMysqldumpCli = "C:\Program Files\MariaDB 10.5\bin\mysqldump.exe"
   7
   8 [String]$configBackupDir = "backup"
   9 [String]$configRotate = 7
  10
  11 function Get-Databases() {
  12     $databaseString = (& $configMysqlCli --host=$configMysqlHost --user=$configMysqlUser --password=$configMysqlPassword --batch --skip-column-names -e "SHOW DATABASES;")
  13     $databases = $databaseString.split([Environment]::NewLine)
  14
  15     return $databases
  16 }
  17
  18 function Create-Backup([String]$database, [String]$target) {
  19     & $configMysqldumpCli --host=$configMysqlHost --user=$configMysqlUser --password=$configMysqlPassword --single-transaction --result-file=$target $database
  20 }
  21
  22 $currDaytime = Get-Date -format "yyyyMMdd-HHmmss"
  23
  24 $databases = Get-Databases | Where-Object { $_ -ne "information_schema" -and $_ -ne "performance_schema"}
  25
  26 foreach($d in $databases) {
  27     $databaseBackupDir = Join-Path -Path $configBackupDir -ChildPath $d
  28
  29     if(!(Test-Path $databaseBackupDir)) {
  30         New-Item -ItemType directory -Path $databaseBackupDir -ErrorAction Stop | Out-Null
  31     }
  32
  33     $databaseBackupFile = Join-Path -Path $databaseBackupDir -ChildPath "backup-$d-$currDaytime.sql"
  34     Write-Output "Backing up $d to $databaseBackupFile..."
  35     Create-Backup $d $databaseBackupFile
  36 }