/// <summary>
/// Create a new Deployment
/// </summary>
/// <param name="username"></param>
/// <param name="volumeMounts"></param>
/// <param name="volumes"></param>
/// <returns></returns>
private KubectlPod CreateDeployment(KubectlPod k8srequest)
{
KubectlPod response = null;
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(AppSettings["K8S_API_URL_DEPL"]);
webRequest.Method = "POST";
webRequest.ContentType = "application/json";
webRequest.Headers["Authorization"] = "Bearer " + AppSettings["K8S_API_TOKEN"];
string json = JsonSerializer.SerializeToString <KubectlPod>(k8srequest);
using (var streamWriter = new StreamWriter(webRequest.GetRequestStream())) {
streamWriter.Write(json);
streamWriter.Flush();
streamWriter.Close();
using (var httpResponse = (HttpWebResponse)webRequest.GetResponse()) {
using (var streamReader = new StreamReader(httpResponse.GetResponseStream())) {
string result = streamReader.ReadToEnd();
response = JsonSerializer.DeserializeFromString <KubectlPod>(result);
return(response);
}
}
}
}
protected string GetUserVncUrl(IfyContext context, User user, KubectlPod k8srequest)
{
var k8sFactory = new KubernetesFactory(context);
//check if connection already exists and is still valid
var type = "qgis";
var id = k8sFactory.GetVncIDForUser(context, user.Id, type);
if (id != 0)
{
if (k8sFactory.ExistsGuacamoleConnection(id))
{
return(k8sFactory.GetGuacamoleVncUrl(id));
}
else
{
k8sFactory.DeleteVncIDForUser(context, user.Id, type);
}
}
//check if pod already exists
var pod = k8sFactory.GetPod(user.Username);
//if not, we may create it (optional)
if (pod == null && k8srequest != null)
{
pod = k8sFactory.CreateUserQgisEnvironment(user.Username, k8srequest);
}
//if exists, we save info on guacamole and return the url
if (pod != null)
{
if (!k8sFactory.IsUserOnGuacamole(user.Username))
{
k8sFactory.CreateUserOnGuacamole(user.Username);
}
int podID;
if (!k8sFactory.IsPodOnGuacamole(pod.Identifier))
{
podID = k8sFactory.CreateGuacamoleVncConnection(user.Username, pod.Identifier, pod.IP);
}
else
{
podID = k8sFactory.GetGuacamoleConnectionID(pod.Identifier);
}
if (!k8sFactory.ExistsGuacamoleUserConnectionPermission(podID, user.Username))
{
k8sFactory.AddConnectionPermission(podID, user.Username);
}
k8sFactory.SetVncIDForUser(context, user.Id, podID, type);
return(k8sFactory.GetGuacamoleVncUrl(podID));
}
return(null);
}
/// <summary>
/// Create user QGIS environment
/// </summary>
/// <param name="username"></param>
/// <param name="volumeMounts"></param>
/// <param name="volumes"></param>
/// <returns></returns>
public KubectlPod CreateUserQgisEnvironment(string username, KubectlPod k8srequest)
{
//pvc
var pvc = GetPvc(username);
if (pvc == null)
{
pvc = CreatePvc(username);
}
//pod
var pod = GetPod(username);
if (pod == null)
{
pod = CreateDeployment(k8srequest);
}
int i = 0;
int maxtry = int.Parse(AppSettings["K8S_DESCRIBE_MAX_TRY"]);
int sleep = int.Parse(AppSettings["K8S_DESCRIBE_SLEEP_MS"]);
string pvcstatus = pvc != null && pvc.status != null ? pvc.status.phase : K8sPodStatus.Pending;
string podstatus = pod != null && pod.status != null ? pod.status.phase : K8sPodStatus.Pending;
while (podstatus != K8sPodStatus.Running && pvcstatus != K8sPodStatus.Running && i++ <= maxtry)
{
if (pvcstatus != K8sPodStatus.Running)
{
pvc = GetPvc(username);
if (pvc != null && pvc.status != null)
{
pvcstatus = pvc.status.phase;
}
}
if (podstatus != K8sPodStatus.Running)
{
pod = GetPod(username);
if (pod != null && pod.status != null)
{
podstatus = pod.status.phase;
}
}
System.Threading.Thread.Sleep(sleep);
}
return(pod);
}
