/// <summary>
/// Find the virtual machines in the group and determine what ones need to have
/// the powerstate modified
/// </summary>
/// <param name="rg"></param>
private void manageVirtualMachines(IResourceGroup rg)
{
// get a list of the virtual machines in the group
IEnumerable <IVirtualMachine> virtualMachines = azure.VirtualMachines.ListByResourceGroup(rg.Name);
// check the beginning of the name of hte resource group
// if it starts with MC_ then it will be a managed cluster and Reaper should not deal
// with the virtual machines directly
if (rg.Name.ToLower().StartsWith("mc_"))
{
_logger.Information("Not managing Virtual Machines in managed AKS cluster: {0}", rg.Name);
return;
}
if (virtualMachines.Count() == 0)
{
_logger.Information("No Virtual Machines in group: {0}", rg.Name);
return;
}
_logger.Information("Analysing Virtual Machines: {0}", virtualMachines.Count().ToString());
// Determine if VMs are to be managed, return if they are not
bool manage_vms = Convert.ToBoolean(settings.First(s => s.name == "manage_vms").value);
if (!manage_vms)
{
_logger.Information("Reaper is not set to manage virtual machines, please check your settings");
return;
}
foreach (IVirtualMachine vm in virtualMachines)
{
// get the powerstate of the vm
string powerstate = vm.PowerState.ToString();
// Create a powerschedule object to determine if the machine should be running or not
PowerSchedule powerSchedule = new PowerSchedule(
settings,
timezones,
_logger,
timeNowUtc,
rg.Tags,
vm.Tags,
powerstate,
vm.RegionName
);
powerSchedule.Process();
// start or stop the resource based on the results from the powerschedule
if (powerSchedule.StartResource())
{
powerStats.StartResource("vm", vm.Name);
_logger.Information("[{0}] Starting virtual machine: {1}", rg.Name, vm.Name);
vm.StartAsync();
}
if (powerSchedule.StopResource())
{
powerStats.StopResource("vm", vm.Name);
_logger.Information("[{0}] Stopping virtual machine: {1}", rg.Name, vm.Name);
vm.DeallocateAsync();
}
}
}
/// <summary>
/// Find the Kubernetes clusters in the specified resource group and determine if they need to be
/// left alone, shutdown or startedup
/// </summary>
/// <param name="rgName">Name of hte resource group to look for clusters in</param>
private void manageK8sClusters(IResourceGroup rg)
{
// determine if any kubernetes clusters exist in the group
IEnumerable <IKubernetesCluster> clusters = azure.KubernetesClusters.ListByResourceGroup(rg.Name);
if (clusters.Count() == 0)
{
_logger.Information("No AKS clusters in group: {0}", rg.Name);
}
else
{
_logger.Information("Analysing AKS Clusters: {0}", clusters.Count().ToString());
// iterate around the clusters
foreach (IKubernetesCluster cluster in clusters)
{
string operation = String.Empty;
string powerState = cluster.Inner.PowerState.Code.Value;
// Determine if the cluster should be running or not
PowerSchedule powerSchedule = new PowerSchedule(
settings,
timezones,
_logger,
timeNowUtc,
rg.Tags,
cluster.Tags,
powerState,
cluster.RegionName
);
powerSchedule.Process();
// use the powerschedule information to determine if the resource should be running
if (powerSchedule.StartResource())
{
powerStats.StartResource("aks", cluster.Name);
operation = "start";
}
if (powerSchedule.StopResource())
{
powerStats.StopResource("aks", cluster.Name);
operation = "stop";
}
if (!String.IsNullOrEmpty(operation))
{
// build up the URL
object[] replacements = { cluster.Manager.RestClient.BaseUri, cluster.Manager.SubscriptionId, rg.Name, cluster.Name, operation };
string url = String.Format("{0}subscriptions/{1}/resourceGroups/{2}/providers/Microsoft.ContainerService/managedClusters/{3}/{4}?api-version=2021-05-01", replacements);
_logger.Information(url);
// Create a new HttpClient top
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, url);
CancellationToken cancellationToken = new CancellationToken();
HttpClient httpClient = new HttpClient();
cluster.Manager.RestClient.Credentials.ProcessHttpRequestAsync(request, cancellationToken).GetAwaiter().GetResult();
HttpResponseMessage response = httpClient.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken).GetAwaiter().GetResult();
_logger.Information(response.Content.ReadAsStringAsync().Result);
}
}
}
}
