public async Task <SystemInfo> GetSystemInfo()
{
V1NodeList k8SNodes = await this.client.ListNodeAsync();
string osType = string.Empty;
string arch = string.Empty;
string version = string.Empty;
if (k8SNodes.Items != null)
{
V1Node firstNode = k8SNodes.Items.FirstOrDefault();
if (firstNode?.Status?.NodeInfo != null)
{
osType = firstNode.Status.NodeInfo.OperatingSystem;
arch = firstNode.Status.NodeInfo.Architecture;
version = firstNode.Status.NodeInfo.OsImage;
}
else
{
Events.NullNodeInfoResponse(firstNode?.Metadata?.Name ?? "UNKNOWN");
}
}
return(new SystemInfo(osType, arch, version));
}
/// <summary>
/// Returns the <see cref="V1OwnerReference"/> for the host node.
/// </summary>
/// <param name="k8s">The Kubernetes client to be used to query for the node information.</param>
/// <returns>
/// The <see cref="V1OwnerReference"/> for the node or <c>null</c> when this couldn't
/// be determined.
/// </returns>
public static async Task <V1OwnerReference> GetOwnerReferenceAsync(IKubernetes k8s)
{
Covenant.Requires <ArgumentNullException>(k8s != null, nameof(k8s));
if (NeonHelper.IsLinux)
{
using (await mutex.AcquireAsync())
{
// Return any cached information.
if (cachedOwnerReference != null)
{
return(cachedOwnerReference);
}
// Query Kubernetes for the node information based on the the node's hostname.
cachedNode = await k8s.ReadNodeAsync(Name);
cachedOwnerReference = new V1OwnerReference(apiVersion: cachedNode.ApiVersion, name: cachedNode.Name(), kind: cachedNode.Kind, uid: cachedNode.Uid());
return(cachedOwnerReference);
}
}
else
{
// Emulate without an owner reference.
return(null);
}
}
private async Task <string> DescribeObject(Kubernetes client, V1Node o, StringBuilder buffer)
{
var fetched = await client.ReadNodeAsync(o.Metadata.Name).ConfigureAwait(false);
buffer.AppendLine($"API Veresion: {fetched.ApiVersion}");
buffer.AppendLine($"Kind: {fetched.Kind}");
buffer.AppendLine(DescribeMetadata(fetched.Metadata));
return($"Node - {fetched.Metadata.Name}");
}
public static IEnumerable <object[]> SystemResponseData()
{
var nodeFilled = new V1Node(status: new V1NodeStatus(nodeInfo: new V1NodeSystemInfo("architecture", "bootID", "containerRuntimeVersion", "kernelVersion", "kubeProxyVersion", "kubeletVersion", "machineID", "operatingSystem", "osImage", "systemUUID")));
var emptyNode = new V1Node();
yield return(new object[] { new V1NodeList(), new SystemInfo("Kubernetes", "Kubernetes", "Kubernetes") });
yield return(new object[] { new V1NodeList(new List <V1Node> {
emptyNode
}), new SystemInfo("Kubernetes", "Kubernetes", "Kubernetes") });
yield return(new object[] { new V1NodeList(new List <V1Node> {
nodeFilled
}), new SystemInfo("Kubernetes", "Kubernetes", "Kubernetes") });
}
private async Task Delete(V1Node item)
{
await State.Client.DeleteNodeAsync(item.Metadata.Name);
}
private async Task Update()
{
Item = await State.Client.ReadNodeAsync(Name);
StateHasChanged();
}