46 lines
1.7 KiB
PowerShell
46 lines
1.7 KiB
PowerShell
# Lexware DB Sync – Loop-Wrapper
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# Laeuft als dauerhafter Prozess (Scheduled Task bei Systemstart).
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# Startet push-dump.ps1 und wartet danach immer 120 Sekunden,
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# unabhaengig davon wie lange der Lauf selbst gedauert hat.
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$script = "C:\lexware-db-connect\push-dump.ps1"
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$logFile = "C:\Users\Administrator\Desktop\LexWare-DB-Mirror.log"
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$utf8NoBom = [System.Text.UTF8Encoding]::new($false)
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$waitAfterRun = 120 # Sekunden Pause nach jedem Lauf
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function Write-LoopLog([string]$msg) {
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$ts = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
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$entry = "[$ts] [LOOP] $msg`n"
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[System.IO.File]::AppendAllText($logFile, $entry, $utf8NoBom)
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}
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Write-LoopLog "Loop gestartet (Interval: ${waitAfterRun}s nach Lauf-Ende)"
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while ($true) {
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# Fallback: nur dumpen wenn Logical Replication nicht aktiv ist
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$replOk = $false
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try {
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$sshKey = "C:\lexware-db-connect\ssh\id_rsa"
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$result = & ssh -i $sshKey -o StrictHostKeyChecking=no -o ConnectTimeout=5 root@192.168.115.113 `
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"sudo -u postgres psql -d f1 -tAc 'SELECT COUNT(*) FROM pg_stat_subscription WHERE received_lsn IS NOT NULL;' 2>/dev/null"
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$replOk = ([int]($result.Trim()) -ge 4)
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} catch {}
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if ($replOk) {
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Start-Sleep -Seconds $waitAfterRun
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continue
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}
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Write-LoopLog "Replikation inaktiv – starte Dump-Fallback"
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$sw = [System.Diagnostics.Stopwatch]::StartNew()
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& powershell.exe -NonInteractive -ExecutionPolicy Bypass -File $script
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$sw.Stop()
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$elapsed = [int]$sw.Elapsed.TotalSeconds
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$wait = [Math]::Max(10, $waitAfterRun - $elapsed)
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Write-LoopLog "Lauf beendet nach ${elapsed}s - naechster Start in ${wait}s"
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Start-Sleep -Seconds $wait
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}
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