/// <summary>
/// Create a new worker from its information in the database
/// </summary>
/// <param name="workerID"></param>
public void CreateWorker(int workerID)
{
Cloud cloud = cloudLookupFromWorkerId(workerID);
try
{
CloudWebPortal.Areas.Aneka.Models.Machine masterMachine = machineLookupFromMasterId(cloud.Master.MasterId);
CloudWebPortal.Areas.Aneka.Models.Machine workerMachine = machineLookupFromWorkerId(workerID);
Master master = cloud.Master;
Worker worker = db.Workers.Find(workerID);
DaemonProbeResult result = new DaemonProbeResult(DaemonProbeStatus.Unknown, null);
if (masterMachine.StatusEnum == DaemonProbeStatus.ServiceStarted && workerMachine.StatusEnum == DaemonProbeStatus.ServiceStarted)
result = new DaemonProbeResult(DaemonProbeStatus.ServiceStarted, null);
else
return;
global::Aneka.PAL.Management.Model.Machine AnekaWorkerMachine = machineManagment.ToAnekaPALMachine(workerMachine);
String containerId = CreateContainer(workerMachine.Daemon.Directory,
workerMachine.IP,
workerMachine.Daemon.Port,
worker.Port,
false,
cloud.CloudName,
worker.Cost,
cloud.SecuritySharedKey,
workerMachine.SoftwareAppliances,
worker.Services,
AnekaWorkerMachine.DaemonUri,
master.Port,
masterMachine.IP,
null,//for master only
null);//for master only
Worker workerFromDB = db.Workers.Find(workerID);
workerFromDB.AnekaContainerID = containerId;
db.SaveChanges();
FinishedWorkerActivity(workerID);
}
catch (Exception ex)
{
Worker workerFromDB = db.Workers.Find(workerID);
workerFromDB.StatusEnum = global::Aneka.UI.Configuration.ProbeStatus.Error;
workerFromDB.ProgressMesage = "Error while creating worker container: " + ex;
workerFromDB.isInProgress = false;
db.SaveChanges();
}
}
/// <summary>
/// Probe a machine
/// </summary>
/// <param name="daemonMachine">Daemon Machine entity</param>
/// <returns></returns>
public DaemonProbeResult ProbeMachine(global::Aneka.PAL.Management.Model.Machine daemonMachine)
{
DaemonProbeResult result = new DaemonProbeResult(DaemonProbeStatus.Unknown, null);
if (daemonMachine != null)
{
// set the probe status to unknown
daemonMachine.ProbeResult = result;
// check service status
if (daemonMachine.UserAccount != null)
{
// Probe the target machine..
DaemonManager daemonManager = new DaemonManager();
result = daemonManager.Probe(daemonMachine);
//The machine been pinged and it is reachable of course,
//so the statues can't be "NetworkNotReachable"!!!
//If DaemonManager.Probe returns "NetworkNotReachable"
//it is most likely that it is a credential problem, but maybe not.
//So the DaemonManager.Probe must be re-implemented to be more accurate.
if(result.Status == DaemonProbeStatus.NetworkNotReachable)
result = new DaemonProbeResult(DaemonProbeStatus.BadCredentials, null);
}
else
result = new DaemonProbeResult(DaemonProbeStatus.BadCredentials, null);
}
//set the probe status of the machine
return result;
}
/// <summary>
/// Get the latest Machine Status, and update it in the database
/// </summary>
/// <param name="machineID">Machine ID</param>
/// <param name="login">Machine Login Credential</param>
/// <returns>Machine Status</returns>
public DaemonProbeResult UpdateMachineStatus(int machineID, MachineLoginCredential login)
{
DaemonProbeResult probeResult = new DaemonProbeResult(DaemonProbeStatus.Unknown,null);
CloudWebPortal.Areas.Aneka.Models.Machine machine = db.Machines.Find(machineID);
if (pingMachine(machine.IP))
{
global::Aneka.PAL.Management.Model.Machine daemonMachine = ToAnekaPALMachineWithLogin(machine, login);
probeResult = ProbeMachine(daemonMachine);
machine.IP = daemonMachine.Address;
machine.StatusEnum = probeResult.Status;
db.SaveChanges();
}
else
{
machine.StatusEnum = DaemonProbeStatus.NetworkNotReachable;
db.SaveChanges();
}
return probeResult;
}
/// <summary>
/// Build Cloud from its information in the database
/// </summary>
/// <param name="cloudID">CloudID</param>
public void CreateCloud(int cloudID)
{
Cloud cloud = db.Clouds.Find(cloudID);
try
{
CloudWebPortal.Areas.Aneka.Models.Machine machine = machineLookupFromMasterId(cloud.Master.MasterId);
Master master = cloud.Master;
DaemonProbeResult result = new DaemonProbeResult(DaemonProbeStatus.Unknown, null);
if (machine.StatusEnum == DaemonProbeStatus.ServiceStarted)
result = new DaemonProbeResult(DaemonProbeStatus.ServiceStarted, null);
else
return;
global::Aneka.PAL.Management.Model.Machine AnekaMachine = machineManagment.ToAnekaPALMachine(machine);
byte[] key = global::Aneka.Security.Cryptography.AESCryptoUtil.GenerateKey();
String NewSecuritySharedKey = Convert.ToBase64String(key);
// String NewSecuritySharedKey = "whM2IcwXiQzmVbDyvOnOmPxgUS6WRp+VKVYuThtVuiM=";
String containerId = CreateContainer(machine.Daemon.Directory,
machine.IP,
machine.Daemon.Port,
master.Port,
true,
cloud.CloudName,
master.Cost,
NewSecuritySharedKey,
machine.SoftwareAppliances,
master.Services,
AnekaMachine.DaemonUri,
null, //Only for worker
null, //Only for worker
cloud.DBConnectionString,//Only for master
cloud.Master.MasterFailoverBackupURI);//Only for master
Master masterFromDB = db.Masters.Find(cloud.Master.MasterId);
masterFromDB.AnekaContainerID = containerId;
db.SaveChanges();
Cloud cloudFromDB = db.Clouds.Find(cloudID);
cloudFromDB.SecuritySharedKey = NewSecuritySharedKey;
db.SaveChanges();
//Get already exist users
Uri masterUri = new Uri(ContainersManagement.GetContainerUri(machine.IP, master.Port));
global::Aneka.Security.UserCredentials adminLogin = new global::Aneka.Security.UserCredentials("Administrator", String.Empty);
AnekaUsersManagement anekaUsersManagement = new AnekaUsersManagement(masterUri, adminLogin);
List<CloudUserAccount> cloudUserAccounts = anekaUsersManagement.getAllUsersFromTheCloud();
foreach (CloudUserAccount account in cloudUserAccounts)
{
if (account.Password == "")
account.Password = "******";
account.Clouds = new List<Cloud>();
account.Clouds.Add(cloud);
db.CloudUserAccounts.Add(account);
db.SaveChanges();
}
FinishedMasterActivity(cloud.CloudId);
}
catch (Exception ex)
{
Master masterFromDB = db.Masters.Find(cloud.Master.MasterId);
masterFromDB.StatusEnum = global::Aneka.UI.Configuration.ProbeStatus.Error;
masterFromDB.ProgressMesage = "Error while creating master container: " + ex;
masterFromDB.isInProgress = false;
db.SaveChanges();
}
}
