示例#1
0
        private void ReturnOnMaintenance(ActionExecutingContext actionContext, MaintenanceModeResponse status)
        {
            var expectedRemainingDuration = status.ActualStart.HasValue && status.PlannedDuration.HasValue
                ? (int?)(status.PlannedDuration.Value - (DateTime.UtcNow - status.ActualStart.Value)).TotalMinutes
                : null;

            actionContext.Result = new JsonResult(
                new MaintenanceResponse
            {
                Message = "Sorry, application is on maintenance. Please try again later.",
                PlannedDurationInMinutes           = (int?)status.PlannedDuration?.TotalMinutes,
                ExpectedRemainingDurationInMinutes = expectedRemainingDuration,
            })
            {
                StatusCode = 503,
            };
        }
示例#2
0
        public override async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
        {
            try
            {
                if (!context.Controller.GetType().ToString().Contains("IsAliveController"))
                {
                    var value = await _database.StringGetAsync(IsOnMaintenanceCacheKey);

                    MaintenanceModeResponse maintenanceStatus = null;
                    try
                    {
                        if (value.HasValue)
                        {
                            maintenanceStatus = value.ToString().DeserializeJson <MaintenanceModeResponse>();
                        }
                        else
                        {
                            maintenanceStatus = await _maintenanceModeClient.Api.GetActiveMaintenanceDetailsAsync();

                            await _database.StringSetAsync(
                                IsOnMaintenanceCacheKey,
                                maintenanceStatus.ToJson(),
                                TimeSpan.FromMinutes(1));
                        }
                    }
                    catch (Exception e)
                    {
                        _log.Warning("Couldn't fetch maintenance status", e);
                    }

                    if (maintenanceStatus?.IsEnabled ?? false)
                    {
                        ReturnOnMaintenance(context, maintenanceStatus);
                        return;
                    }
                }
            }
            catch (Exception e)
            {
                _log.Error(e);
            }

            await next();
        }