public async Task <MonitoringResult> Handle(MonitoringCommand command)
{
Models.Status status;
string message;
using (var conn = new SqlConnection(command.Connection))
{
try
{
await conn.OpenAsync();
status = Models.Status.Success;
message = "OK";
}
catch (SqlException ex)
{
status = Models.Status.Danger;
message = ex.GetBaseException().Message;
}
return(new MonitoringResult
{
Environment = command.Environment,
Group = command.Group,
Source = command.Source,
Type = MonitoringType.Database,
Name = command.Name,
Status = status,
Message = message
});
}
}
public async Task <MonitoringResult> Handle(MonitoringCommand command)
{
var result = new PerformanceMonitoringResult
{
Environment = command.Environment,
Group = command.Group,
Source = command.Source,
Name = command.Name,
Type = MonitoringType.CPUUsage,
};
try
{
var scope = new ManagementScope($@"\\{command.Environment}\root\cimv2");
var query = new SelectQuery("SELECT * FROM Win32_Process where Name = 'w3wp.exe'");
int?processId;
using (var searcher = new ManagementObjectSearcher(scope, query))
{
processId = (from p in searcher.Get().Cast <ManagementObject>()
let commandLine = p["CommandLine"]
where commandLine != null && _regex.IsMatch(commandLine.ToString())
select int.Parse(p["ProcessId"].ToString())).FirstOrDefault();
}
if (processId.HasValue)
{
var processInstanceName = GetProcessInstanceName(processId.Value);
var cpuCounter = new PerformanceCounter("Process", "% Processor Time", processInstanceName, true);
cpuCounter.NextValue();
await Task.Delay(1000);
result.Value = cpuCounter.NextValue();
result.Message = $"% Processor Time: {result.Value:0.00}";
if (result.Value < 80)
{
result.Status = Models.Status.Success;
}
else if (result.Value < 90)
{
result.Status = Models.Status.Warning;
}
else
{
result.Status = Models.Status.Danger;
}
}
}
catch (Exception ex)
{
result.Message = $"Unable to monitor CPU usage for {result.Environment}\\{result.Source}. Error is '{ex.Message}'";
result.Status = Models.Status.Danger;
}
return(result);
}
public async Task <MonitoringResult> Handle(MonitoringCommand command)
{
using (var httpClient = new HttpClient())
{
using (var response = await httpClient.SendAsync(new HttpRequestMessage(HttpMethod.Head, command.Connection)))
{
return(new MonitoringResult
{
Environment = command.Environment,
Group = command.Group,
Source = command.Source,
Type = MonitoringType.Website,
Name = command.Name,
Status = response.IsSuccessStatusCode ? Models.Status.Success : Models.Status.Danger,
Message = response.ReasonPhrase
});
}
}
}