Created attachment 1369660 [details] evm.log for Nuage Networks provider when AMQP is not configured Description of problem: The UI lets you create a Nuage Networks provider without specifying the AMQP details (which is set to AMQP by default with no values). Once saved (without AMPQ details), the Nuage Networks provider re-attempts to start a event monitoring thread every second (see evm log attached), for ever. This seems to cause issues, see below (Too many open files). Restart every second: [----] I, [2017-12-18T14:49:31.335468 #3407:f5f140] INFO -- : MIQ(ManageIQ::Providers::Nuage::NetworkManager::EventCatcher::Runner#do_work) EMS [5a365c72735c8f00018e4722.labs.nuagex.io] as [admin] Event Monitor Thread gone. Restarting... [----] I, [2017-12-18T14:49:31.335888 #3407:f5f140] INFO -- : MIQ(ManageIQ::Providers::Nuage::NetworkManager::EventCatcher::Runner#start_event_monitor) EMS [5a365c72735c8f00018e4722.labs.nuagex.io] as [admin] Validating Connection/Credentials [----] I, [2017-12-18T14:49:31.336098 #3407:f5f140] INFO -- : MIQ(ManageIQ::Providers::Nuage::NetworkManager#with_provider_connection) Connecting through ManageIQ::Providers::Nuage::NetworkManager: [ Network Manager] [----] I, [2017-12-18T14:49:31.336615 #3407:f5f140] INFO -- : MIQ(ManageIQ::Providers::Nuage::NetworkManager.raw_connect) Connecting to Nuage VSD with url https://5a365c72735c8f00018e4722.labs.nuagex.io:8443/nuage/api/v4_0 [----] I, [2017-12-18T14:49:31.733034 #3407:f5f140] INFO -- : MIQ(ManageIQ::Providers::Nuage::NetworkManager::EventCatcher::Runner#start_event_monitor) EMS [5a365c72735c8f00018e4722.labs.nuagex.io] as [admin] Starting Event Monitor Thread [----] E, [2017-12-18T14:49:31.737913 #3407:4b40b78] ERROR -- : MIQ(ManageIQ::Providers::Nuage::NetworkManager::EventCatcher::Runner#start_event_monitor) EMS [5a365c72735c8f00018e4722.labs.nuagex.io] as [admin] Event Monitor Thread aborted because [Transport error] [----] E, [2017-12-18T14:49:31.738104 #3407:4b40b78] ERROR -- : [MiqException::MiqHostError]: Transport error Method:[block in method_missing] [----] I, [2017-12-18T14:49:31.738243 #3407:f5f140] INFO -- : MIQ(ManageIQ::Providers::Nuage::NetworkManager::EventCatcher::Runner#start_event_monitor) EMS [5a365c72735c8f00018e4722.labs.nuagex.io] as [admin] Started Event Monitor Thread Too many files opened: [----] I, [2017-12-18T14:58:01.077847 #3407:f5f140] INFO -- : MIQ(ManageIQ::Providers::Nuage::NetworkManager#with_provider_connection) Connecting through ManageIQ::Providers::Nuage::NetworkManager: [ Network Manager] [----] I, [2017-12-18T14:58:01.078114 #3407:f5f140] INFO -- : MIQ(ManageIQ::Providers::Nuage::NetworkManager.raw_connect) Connecting to Nuage VSD with url https://5a365c72735c8f00018e4722.labs.nuagex.io:8443/nuage/api/v4_0 [----] E, [2017-12-18T14:58:01.078973 #3407:f5f140] ERROR -- : MIQ(ManageIQ::Providers::Nuage::NetworkManager.connection_rescue_block) Error Class=Errno::EMFILE, Message=Failed to open TCP connection to 5a365c72735c8f00018e4722.labs.nuagex.io:8443 (Too many open files - getaddrinfo) [----] E, [2017-12-18T14:58:01.079101 #3407:f5f140] ERROR -- : MIQ(ManageIQ::Providers::Nuage::NetworkManager.connection_rescue_block) Error Class=MiqException::MiqEVMLoginError, Message=Unexpected response returned from system: Failed to open TCP connection to 5a365c72735c8f00018e4722.labs.nuagex.io:8443 (Too many open files - getaddrinfo) Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info:
Version-Release number of selected component (if applicable): 5.9.0.13.20171212214416_f4f190a
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