private MemoryMetrics GetUnixMetrics()
{
string output = "";
ProcessStartInfo info = new ProcessStartInfo("free -m")
{
FileName = "/bin/bash",
Arguments = "-c \"free -m\"",
RedirectStandardOutput = true
};
using (Process process = Process.Start(info))
{
output = process.StandardOutput.ReadToEnd();
Console.WriteLine(output);
}
string[] lines = output.Split("\n");
string[] memory = lines[1].Split(" ", StringSplitOptions.RemoveEmptyEntries);
MemoryMetrics metrics = new MemoryMetrics
{
Total = double.Parse(memory[1]),
Used = double.Parse(memory[2]),
Free = double.Parse(memory[3]),
CheckDurationInMilliseconds = long.Parse(memory[4])
};
return(metrics);
}
public async Task <HealthCheckResult> CheckHealthAsync(HealthCheckContext context, CancellationToken cancellationToken)
{
MemoryMetricsClient client = new MemoryMetricsClient();
MemoryMetrics metrics = client.GetMetrics();
double percentUsed = 100 * metrics.Used / metrics.Total;
HealthStatus status = HealthStatus.Healthy;
if (percentUsed > 80)
{
status = HealthStatus.Degraded;
}
if (percentUsed > 90)
{
status = HealthStatus.Unhealthy;
}
Dictionary <string, object> data = new Dictionary <string, object>
{
{ "Total", metrics.Total },
{ "Used", metrics.Used },
{ "Free", metrics.Free },
{ "CheckDurationInMilliseconds", metrics.CheckDurationInMilliseconds }
};
HealthCheckResult result = new HealthCheckResult(status, null, null, data);
return(await Task.FromResult(result));
}
private MemoryMetrics GetWindowsMetrics()
{
string output = "";
ProcessStartInfo info = new ProcessStartInfo
{
FileName = "wmic",
Arguments = "OS get FreePhysicalMemory,TotalVisibleMemorySize /Value",
RedirectStandardOutput = true
};
using (Process process = Process.Start(info))
{
output = process.StandardOutput.ReadToEnd();
}
string[] lines = output.Trim().Split("\n");
string[] freeMemoryParts = lines[0].Split("=", StringSplitOptions.RemoveEmptyEntries);
string[] totalMemoryParts = lines[1].Split("=", StringSplitOptions.RemoveEmptyEntries);
MemoryMetrics metrics = new MemoryMetrics
{
Total = Math.Round(double.Parse(totalMemoryParts[1]) / 1024, 0),
Free = Math.Round(double.Parse(freeMemoryParts[1]) / 1024, 0),
};
metrics.Used = metrics.Total - metrics.Free;
return(metrics);
}
