X-Git-Url: https://git.p6c8.net/psmysqlbackup.git/blobdiff_plain/13125b9deaa430ff6c083bfa656fa1ba20c3b4e7..c8443b63a6a7a513388cad85ff1651bfb0281b09:/psmysqlbackup.ps1?ds=sidebyside diff --git a/psmysqlbackup.ps1 b/psmysqlbackup.ps1 index 7ca585a..97bcf85 100644 --- a/psmysqlbackup.ps1 +++ b/psmysqlbackup.ps1 @@ -1,4 +1,5 @@ [String]$configMysqlHost = "localhost" +[Int32]$configMysqlPort = 3306 [String]$configMysqlUser = "backup" [String]$configMysqlPassword = "backup" @@ -6,24 +7,58 @@ [String]$configMysqldumpCli = "C:\Program Files\MariaDB 10.5\bin\mysqldump.exe" [String]$configBackupDir = "backup" -[String]$configRotate = 7 +[Int32]$configRotate = 7 + +$configDbBackup = @() +$configDbExclusions = @("test") + +$defaultExclusions = @("information_schema", "performance_schema") 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 $_ -ne "performance_schema"} +$databases = Get-Databases | Where-Object {!($_ -in $defaultExclusions -or $_ -in $configDbExclusions)} + +$databasesToBackup = @() + +if($configDbBackup -and $configDbBackup.count -gt 0) { + $databasesToBackup = $configDbBackup +} +else { + $databasesToBackup = $databases +} -foreach($d in $databases) { +foreach($d in $databasesToBackup) { $databaseBackupDir = Join-Path -Path $configBackupDir -ChildPath $d if(!(Test-Path $databaseBackupDir)) { @@ -33,4 +68,5 @@ foreach($d in $databases) { $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