public void OnTimer(object sender, System.Timers.ElapsedEventArgs args)
{
log.Info("XenServer Health Check Service start to refresh uploading tasks");
//We need to check if CIS can be accessed in current enviroment
List <ServerInfo> servers = ServerListHelper.instance.GetServerList();
foreach (ServerInfo server in servers)
{
if (server.task != null && (!server.task.IsCompleted || !server.task.IsCanceled || !server.task.IsFaulted))
{
continue;
}
XenConnection connectionInfo = new XenConnection();
connectionInfo.Hostname = server.HostName;
connectionInfo.Username = server.UserName;
connectionInfo.Password = server.Password;
log.InfoFormat("Check server {0} with user {1}", connectionInfo.Hostname, connectionInfo.Username);
Session session = new Session(server.HostName, 80);
session.APIVersion = API_Version.LATEST;
try
{
session.login_with_password(server.UserName, server.Password);
connectionInfo.LoadCache(session);
if (RequestUploadTask.Request(connectionInfo, session) || RequestUploadTask.OnDemandRequest(connectionInfo, session))
{
// Create a task to collect server status report and upload to CIS server
log.InfoFormat("Start to upload server status report for XenServer {0}", connectionInfo.Hostname);
XenServerHealthCheckBundleUpload upload = new XenServerHealthCheckBundleUpload(connectionInfo);
Action uploadAction = delegate()
{
upload.runUpload(cts.Token);
};
System.Threading.Tasks.Task task = new System.Threading.Tasks.Task(uploadAction);
task.Start();
server.task = task;
ServerListHelper.instance.UpdateServerInfo(server);
}
session.logout();
session = null;
}
catch (Exception exn)
{
if (session != null)
{
session.logout();
}
log.Error(exn, exn);
}
}
}
public void OnTimer(object sender, System.Timers.ElapsedEventArgs args)
{
log.Info("XenServer Health Check Service start to refresh uploading tasks");
//We need to check if CIS can be accessed in current enviroment
List <ServerInfo> servers = ServerListHelper.instance.GetServerList();
foreach (ServerInfo server in servers)
{
if (server.task != null && (!server.task.IsCompleted || !server.task.IsCanceled || !server.task.IsFaulted))
{
continue;
}
bool needReconnect = false;
log.InfoFormat("Check server {0} with user {1}", server.HostName, server.UserName);
Session session = new Session(server.HostName, 80);
session.APIVersion = API_Version.LATEST;
try
{
session.login_with_password(server.UserName, server.Password, Helper.APIVersionString(API_Version.LATEST), Session.UserAgent);
}
catch (Exception exn)
{
if (exn is Failure && ((Failure)exn).ErrorDescription[0] == Failure.HOST_IS_SLAVE)
{
string masterName = ((Failure)exn).ErrorDescription[1];
if (ServerListHelper.instance.UpdateServerCredential(server, masterName))
{
log.InfoFormat("Refresh credential to master {0} need refresh connection", masterName);
server.HostName = masterName;
needReconnect = true;
}
else
{
log.InfoFormat("Remove credential since it is the slave of master {0}", masterName);
if (session != null)
{
session.logout();
}
log.Error(exn, exn);
continue;
}
}
else
{
if (session != null)
{
session.logout();
}
log.Error(exn, exn);
continue;
}
}
try
{
if (needReconnect)
{
if (session != null)
{
session.logout();
}
log.InfoFormat("Reconnect to master {0}", server.HostName);
session = new Session(server.HostName, 80);
session.APIVersion = API_Version.LATEST;
session.login_with_password(server.UserName, server.Password, Helper.APIVersionString(API_Version.LATEST), Session.UserAgent);
}
XenConnection connectionInfo = new XenConnection();
connectionInfo.Hostname = server.HostName;
connectionInfo.Username = server.UserName;
connectionInfo.Password = server.Password;
connectionInfo.LoadCache(session);
if (RequestUploadTask.Request(connectionInfo, session) || RequestUploadTask.OnDemandRequest(connectionInfo, session))
{
// Create a task to collect server status report and upload to CIS server
log.InfoFormat("Start to upload server status report for XenServer {0}", connectionInfo.Hostname);
XenServerHealthCheckBundleUpload upload = new XenServerHealthCheckBundleUpload(connectionInfo);
Action uploadAction = delegate()
{
upload.runUpload(cts.Token);
};
System.Threading.Tasks.Task task = new System.Threading.Tasks.Task(uploadAction);
task.Start();
server.task = task;
ServerListHelper.instance.UpdateServerInfo(server);
}
session.logout();
session = null;
}
catch (Exception exn)
{
if (session != null)
{
session.logout();
}
log.Error(exn, exn);
}
}
}