Maint: rework openvpn restart on unhealthy

internal/healthcheck/openvpn.go

@@ -0,0 +1,17 @@
+package healthcheck
+
+import (
+	"context"
+	"time"
+
+	"github.com/qdm12/gluetun/internal/constants"
+)
+
+func (s *server) onUnhealthyOpenvpn(ctx context.Context) {
+	s.logger.Info("program has been unhealthy for " +
+		s.openvpn.healthyWaitTime.String() + ": restarting OpenVPN")
+	_, _ = s.openvpn.looper.ApplyStatus(ctx, constants.Stopped)
+	_, _ = s.openvpn.looper.ApplyStatus(ctx, constants.Running)
+	s.openvpn.healthyWaitTime += openvpnHealthyWaitTimeAdd
+	s.openvpn.healthyTimer = time.NewTimer(s.openvpn.healthyWaitTime)
+}