internal static void ShutDown(ILogger log, List <WorkloadMachineTuple> totalWorkload, BBBAPI bbb, IonosAPI ionos, string ionosDataCenter)
{
var shutDown = totalWorkload
.OrderByDescending(m => m.Workload.MemoryUtilization)
.ThenByDescending(m => m.Workload.CPUUtilization)
.Skip(MINIMUM_ACTIVE_MACHINES)
.Select(async m => new MachineWorkloadStatsTuple(m.Machine, m.Workload, await bbb.GetMeetingsAsync(m.Machine.PrimaryIP).ConfigureAwait(false)))
.Select(res => res.Result)
.Where(m => (m.Workload.MemoryUtilization < MIN_ALLOWED_MEMORY_WORKLOAD ||
m.Workload.CPUUtilization < MIN_ALLOWED_CPU_WORKLOAD) && m.Machine.Properties.Cores <= DEFAULT_WORKER_CPU &&
m.Machine.Properties.Ram <= DEFAULT_WORKER_MEMORY && m.Stats.Sum(u => u.ParticipantCount) == 0).ToList();
log.LogInformation($"Found '{shutDown.Count}' machines to shut down");
shutDown.AsParallel().ForAll(async m => await ionos.TurnMachineOff(m.Machine.Id, ionosDataCenter).ConfigureAwait(false));
}
internal static void ScaleCPUDown(ILogger log, List <WorkloadMachineTuple> totalWorkload, BBBAPI bbb, IonosAPI ionos)
{
var scaleCpuDown = totalWorkload.OrderByDescending(m => m.Workload.CPUUtilization)
.Select(async m => new MachineWorkloadStatsTuple(m.DataCenter, m.Machine, m.Workload, await bbb.GetMeetingsAsync(m.Machine.PrimaryIP).ConfigureAwait(false)))
.Select(res => res.Result)
.Where(m => m.Workload.CPUUtilization <MIN_ALLOWED_CPU_WORKLOAD &&
m.Machine.Properties.Cores> DEFAULT_WORKER_CPU && m.Stats.Sum(u => u.ParticipantCount) == 0).ToList();
log.LogInformation($"Found '{scaleCpuDown.Count}' machines to scale CPU down");
scaleCpuDown.AsParallel().ForAll(async m =>
{
var machine = m.Machine;
log.LogInformation($"Scale machine '{machine.PrimaryIP}' down");
var update = new IonosMachineUpdate {
Cores = machine.Properties.Cores - 1
};
await ionos.UpdateMachines(machine.Id, m.DataCenter, update).ConfigureAwait(false);
});
}
