/// <summary>
/// Gets the CPU usage from the cluster.
/// </summary>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="stepSize"></param>
/// <returns></returns>
public async Task <PrometheusResponse <PrometheusMatrixResult> > GetCpuUsageAsync(DateTime start, DateTime end, string stepSize = "15s")
{
await SyncContext.Clear;
var query = $@"(sum(irate(node_cpu_seconds_total{{mode = ""idle"", cluster=~""{NeonDashboardService.ClusterInfo.Name}""}}[10m])))";
CPUUsagePercent = await QueryRangeAsync(query, start, end, stepSize);
NotifyStateChanged();
return(CPUUsagePercent);
}
/// <summary>
/// Gets the total disk usage for the cluster.
/// </summary>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="stepSize"></param>
/// <returns></returns>
public async Task <PrometheusResponse <PrometheusMatrixResult> > GetDiskUsageAsync(DateTime start, DateTime end, string stepSize = "15s")
{
await SyncContext.Clear;
var query = $@"sum(node_filesystem_size_bytes{{cluster=~""{NeonDashboardService.ClusterInfo.Name}"", mountpoint=""/"",fstype!=""rootfs""}}) - sum(node_filesystem_avail_bytes{{cluster=~""{NeonDashboardService.ClusterInfo.Name}"", mountpoint=""/"",fstype!=""rootfs""}})";
DiskUsageBytes = await QueryRangeAsync(query, start, end, stepSize);
NotifyStateChanged();
return(DiskUsageBytes);
}
/// <summary>
/// Get the total memory usage for the cluster.
/// </summary>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="stepSize"></param>
/// <returns></returns>
public async Task <PrometheusResponse <PrometheusMatrixResult> > GetMemoryUsageAsync(DateTime start, DateTime end, string stepSize = "15s")
{
await SyncContext.Clear;
var query = $@"sum(node_memory_MemTotal_bytes{{cluster=~""{NeonDashboardService.ClusterInfo.Name}""}}) - sum(node_memory_MemFree_bytes{{cluster=~""{NeonDashboardService.ClusterInfo.Name}""}})";
MemoryUsageBytes = await QueryRangeAsync(query, start, end, stepSize);
NotifyStateChanged();
return(MemoryUsageBytes);
}
