Error with Openshift "undefined method "memory" - ManageIQ Capablanca - RC2 - Openshift

[pablohalamaj]

Scenario: ManageIQ Capablanca RC2 install on RHEV Infraestructure

Problem: After adding a Openshift Infraestructure to ManageIQ, the system doesn't show any info about the openshift infraestructure and only displays the following error "undefined method `memory' for nil:NilClass "

On the evm.log file i found the following Stack:

---

[----] I, [2015-11-24T10:14:02.297500 #50677:1321990] INFO -- : MIQ(ManageIQ::Providers::Openshift::ContainerManager::Ref
reshWorker::Runner#get_message_via_drb) Message id: [46995], MiqWorker id: [102], Zone: [default], Role: [ems_inventory],
Server: [], Ident: [ems_2], Target id: [], Instance id: [], Task id: [], Command: [EmsRefresh.refresh], Timeout: [7200], P
riority: [100], State: [dequeue], Deliver On: [], Data: [], Args: [[["ManageIQ::Providers::Openshift::ContainerManager", 2
]]], Dequeued in: [12.740798908] seconds
[----] I, [2015-11-24T10:14:02.297772 #50677:1321990] INFO -- : MIQ(MiqQueue#deliver) Message id: [46995], Delivering...
[----] I, [2015-11-24T10:14:02.335989 #50677:1321990] INFO -- : MIQ(ManageIQ::Providers::Openshift::ContainerManager::Ref
resher#refresh) Refreshing all targets...
[----] I, [2015-11-24T10:14:02.336217 #50677:1321990] INFO -- : MIQ(ManageIQ::Providers::Openshift::ContainerManager::Ref
resher#refresh) EMS: [LAB-Openshift-3], id: [2] Refreshing targets for EMS: [LAB-Openshift-3], id: [2]...
[----] I, [2015-11-24T10:14:02.336334 #50677:1321990] INFO -- : MIQ(ManageIQ::Providers::Openshift::ContainerManager::Ref
resher#refresh) EMS: [LAB-Openshift-3], id: [2] ManageIQ::Providers::Openshift::ContainerManager [LAB-Openshift-3] id [2
]
[----] I, [2015-11-24T10:14:02.336591 #50677:1321990] INFO -- : MIQ(ManageIQ::Providers::Openshift::ContainerManager#with
_provider_connection) Connecting through ManageIQ::Providers::Openshift::ContainerManager: [LAB-Openshift-3]
[----] I, [2015-11-24T10:14:02.489764 #50677:1321990] INFO -- : MIQ(ManageIQ::Providers::Openshift::ContainerManager#with
_provider_connection) Connecting through ManageIQ::Providers::Openshift::ContainerManager: [LAB-Openshift-3]
[----] E, [2015-11-24T10:14:04.003732 #50677:1321990] ERROR -- : MIQ(ManageIQ::Providers::Openshift::ContainerManager::Ref
resher#refresh) EMS: [LAB-Openshift-3], id: [2] Refresh failed
[----] E, [2015-11-24T10:14:04.004060 #50677:1321990] ERROR -- : [NoMethodError]: undefined method memory' for nil:NilClass Method:[rescue in block in refresh] [----] E, [2015-11-24T10:14:04.004167 #50677:1321990] ERROR -- : /var/www/miq/vmdb/app/models/manageiq/providers/kubernetes/container_manager/refresh_parser.rb:147:inparse_node'
/var/www/miq/vmdb/app/models/manageiq/providers/kubernetes/container_manager/refresh_parser.rb:42:in block in get_nodes' /var/www/miq/vmdb/app/models/manageiq/providers/kubernetes/container_manager/refresh_parser.rb:125:inprocess_collection_item'
/var/www/miq/vmdb/app/models/manageiq/providers/kubernetes/container_manager/refresh_parser.rb:119:in block in process_collection' /var/www/miq/vmdb/app/models/manageiq/providers/kubernetes/container_manager/refresh_parser.rb:119:inprocess_collection'
/var/www/miq/vmdb/app/models/manageiq/providers/kubernetes/container_manager/refresh_parser.rb:42:in get_nodes' /var/www/miq/vmdb/app/models/manageiq/providers/kubernetes/container_manager/refresh_parser.rb:15:inems_inv_to_hashes'
/var/www/miq/vmdb/app/models/manageiq/providers/openshift/container_manager/refresh_parser.rb:5:in ems_inv_to_hashes' /var/www/miq/vmdb/app/models/manageiq/providers/kubernetes/container_manager/refresh_parser.rb:6:inems_inv_to_hashes'
/var/www/miq/vmdb/app/models/manageiq/providers/openshift/container_manager/refresher.rb:19:in parse_inventory' /var/www/miq/vmdb/app/models/ems_refresh/refreshers/ems_refresher_mixin.rb:19:inblock in refresh'
/var/www/miq/vmdb/app/models/ems_refresh/refreshers/ems_refresher_mixin.rb:7:in each' /var/www/miq/vmdb/app/models/ems_refresh/refreshers/ems_refresher_mixin.rb:7:inrefresh'
/var/www/miq/vmdb/app/models/manageiq/providers/base_manager/refresher.rb:10:in refresh' /var/www/miq/vmdb/app/models/ems_refresh.rb:77:inblock in refresh'
/var/www/miq/vmdb/app/models/ems_refresh.rb:76:in each' /var/www/miq/vmdb/app/models/ems_refresh.rb:76:inrefresh'
/var/www/miq/vmdb/app/models/miq_queue.rb:345:in block in deliver' /opt/rubies/ruby-2.2.3/lib/ruby/2.2.0/timeout.rb:88:inblock in timeout'
/opt/rubies/ruby-2.2.3/lib/ruby/2.2.0/timeout.rb:32:in block in catch' /opt/rubies/ruby-2.2.3/lib/ruby/2.2.0/timeout.rb:32:incatch'
/opt/rubies/ruby-2.2.3/lib/ruby/2.2.0/timeout.rb:32:in catch' /opt/rubies/ruby-2.2.3/lib/ruby/2.2.0/timeout.rb:103:intimeout'
/var/www/miq/vmdb/app/models/miq_queue.rb:341:in deliver' /var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:106:indeliver_queue_message'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:134:in deliver_message' /var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:151:inblock in do_work'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:145:in loop' /var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:145:indo_work'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:335:in block in do_work_loop' /var/www/miq/vmdb/app/models/miq_worker/runner.rb:332:inloop'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:332:in do_work_loop' /var/www/miq/vmdb/app/models/miq_worker/runner.rb:154:inrun'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:129:in start' /var/www/miq/vmdb/app/models/miq_worker/runner.rb:29:instart_worker'
/var/www/miq/vmdb/lib/workers/bin/worker.rb:2:in <top (required)>' /opt/rubies/ruby-2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.5/lib/rails/commands/runner.rb:60:inload'
/opt/rubies/ruby-2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.5/lib/rails/commands/runner.rb:60:in <top (required)>' /opt/rubies/ruby-2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:123:inrequire'
/opt/rubies/ruby-2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:123:in require_command!' /opt/rubies/ruby-2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:90:inrunner'
/opt/rubies/ruby-2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:39:in run_command!' /opt/rubies/ruby-2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.5/lib/rails/commands.rb:17:in<top (required)>'
/var/www/miq/vmdb/bin/rails:4:in require' /var/www/miq/vmdb/bin/rails:4:in

'
[----] E, [2015-11-24T10:14:04.004256 #50677:1321990] ERROR -- : MIQ(ManageIQ::Providers::Openshift::ContainerManager::Refresher#refresh) EMS: [LAB-Openshift-3], id: [2] Unable to perform refresh for the following targets:
[----] E, [2015-11-24T10:14:04.004436 #50677:1321990] ERROR -- : MIQ(ManageIQ::Providers::Openshift::ContainerManager::Refresher#refresh) --- ManageIQ::Providers::Openshift::ContainerManager [LAB-Openshift-3] id [2]
[----] I, [2015-11-24T10:14:04.153405 #50677:1321990] INFO -- : MIQ(ManageIQ::Providers::Openshift::ContainerManager::Refresher#refresh) Refreshing all targets...Complete
[----] I, [2015-11-24T10:14:04.153897 #50677:1321990] INFO -- : MIQ(MiqQueue#delivered) Message id: [46995], State: [ok], Delivered in [1.856182699] seconds
[----] I, [2015-11-24T10:14:06.752467 #14151:11f998c] INFO -- : MIQ(MiqScheduleWorker::Runner#do_work) Number of scheduled items to be processed: 2.
[----] I, [2015-11-24T10:14:06.914001 #14151:11f998c] INFO -- : MIQ(MiqQueue.put) Message id: [47001], id: [], Zone: [default], Role: [smartstate], Server: [], Ident: [generic], Target id: [], Instance id: [], Task id: [job_dispatcher], Command: [JobProxyDispatcher.dispatch], Timeout: [600], Priority: [20], State: [ready], Deliver On: [], Data: [], Args: []
[----] I, [2015-11-24T10:14:06.922747 #13723:479988] INFO -- : MIQ(MiqServer#monitor_loop) Server Monitoring Complete - Timings: {:server_dequeue=>0.018250226974487305, :worker_monitor=>1.0944428443908691, :worker_dequeue=>0.021433353424072266, :total_time=>1.13472580909729}
[----] I, [2015-11-24T10:14:06.922968 #14151:11f998c] INFO -- : MIQ(MiqQueue.put) Message id: [47002], id: [], Zone: [default], Role: [], Server: [57fd54a0-90a2-11e5-8c21-001a4ae6ef2c], Ident: [generic], Target id: [], Instance id: [], Task id: [], Command: [Session.check_session_timeout], Timeout: [600], Priority: [90], State: [ready], Deliver On: [], Data: [], Args: []
[----] I, [2015-11-24T10:14:10.912527 #49819:df398c] INFO -- : MIQ(ManageIQ::Providers::Redhat::InfraManager::EventCatcher::Runner#do_work) EMS [rhev-m.semperti.local] as [admin@internal] Event Monitor Thread gone. Restarting...
[----] I, [2015-11-24T10:14:12.014870 #13723:479988] INFO -- : MIQ(MiqServer#populate_queue_messages) Fetched 2 miq_queue rows for queue_name=generic, wcount=4, priority=200

[----] I, [2015-11-24T10:14:12.541694 #14136:110b994] INFO -- : MIQ(MiqPriorityWorker::Runner#get_message_via_drb) Message id: [47001], MiqWorker id: [4], Zone: [default], Role: [smartstate], Server: [], Ident: [generic], Target id: [], Instance id: [], Task id: [job_dispatcher], Command: [JobProxyDispatcher.dispatch], Timeout: [600], Priority: [20], State: [dequeue], Deliver On: [], Data: [], Args: [], Dequeued in: [5.632829132] seconds

I founded that if y remove an Openshift's Node which was offline ,manageiq can get the info ok.

Regards