/// <summary>
/// Runs the health check, returning the status of the component being checked.
/// </summary>
/// <param name="context">A context object associated with the current execution.</param>
/// <param name="cancellationToken">A <see cref="T:System.Threading.CancellationToken" /> that can be used to cancel the health check.</param>
/// <returns>
/// A <see cref="T:System.Threading.Tasks.Task`1" /> that completes when the health check has finished, yielding the status of the component being checked.
/// </returns>
public async Task <HealthCheckResult> CheckHealthAsync(HealthCheckContext context,
CancellationToken cancellationToken = default)
{
var client = new MemoryMetricsClient();
var metrics = client.GetMetrics();
var percentUsed = 100 * metrics.Used / metrics.Total;
var status = HealthStatus.Healthy;
if (percentUsed > 80)
{
status = HealthStatus.Degraded;
}
if (percentUsed > 90)
{
status = HealthStatus.Unhealthy;
}
var data = new Dictionary <string, object>
{
{ "Total", metrics.Total }, { "Used", metrics.Used }, { "Free", metrics.Free }
};
var result = new HealthCheckResult(status, null, null, data);
return(await Task.FromResult(result));
}
public ServerModule(OpenApi api, MemoryMetricsClient metricsClient) : base("/server")
{
Api = api;
MetricsClient = metricsClient;
Get("/", Root);
Get("/levels", GetLevels);
Get("/plugins", GetPlugins);
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task <HealthCheckResult> CheckHealthAsync(HealthCheckContext context, CancellationToken cancellationToken = default)
{
var client = new MemoryMetricsClient();
var metrics = client.GetMetrics();
var percentUsed = Math.Abs(metrics.Total) > 0 ? Math.Round(100 * metrics.Used / metrics.Total, 2) : 0;
var status = HealthStatus.Healthy;
var degraded = _memoryHealthConfiguration?.Degraded ?? 80;
var unhealthy = _memoryHealthConfiguration?.Unhealthy ?? 90;
var message = $"Healthy:{percentUsed} < {degraded}%";
if (percentUsed > degraded || percentUsed == 0)
{
message = $"Degraded:{percentUsed}% Range:{unhealthy}% > {degraded}%";
//TODO REVIEW status = HealthStatus.Degraded;
}
if (percentUsed > unhealthy)
{
message = $"Unhealthy:{percentUsed}%| > {degraded} (Degraded)%";
//TODO REVIEW status = HealthStatus.Unhealthy;
}
var data = new Dictionary <string, object>
{
{ "Total", metrics.Total },
{ "Used", metrics.Used },
{ "Free", metrics.Free }
};
_logger.LogInformation("Metrics:{@data}", data);
var result = new HealthCheckResult(status, message, null, data);
return(await Task.FromResult(result));
}
