Bug 1830730

Summary:	Add log messages for DNS query test
Product:	Red Hat Enterprise Virtualization Manager	Reporter:	Asaf Rachmani <arachman>
Component:	ovirt-hosted-engine-ha	Assignee:	Asaf Rachmani <arachman>
Status:	CLOSED ERRATA	QA Contact:	Nikolai Sednev <nsednev>
Severity:	medium	Docs Contact:
Priority:	high
Version:	4.4.0	CC:	lsurette, rdlugyhe
Target Milestone:	ovirt-4.4.0	Keywords:	Rebase, Triaged
Target Release:	4.4.0
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	ovirt-hosted-engine-ha-2.4.3	Doc Type:	Bug Fix
Doc Text:	Previously, if the DNS query test timed out, it did not produce a log message. The current release fixes this issue: If a DNS query times out, it produces a "DNS query failed" message in the broker.log.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-08-04 13:27:53 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	Integration	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Asaf Rachmani 2020-05-03 14:12:26 UTC

Description of problem:
There is no log message to detect DNS queries timeout 

Version-Release number of selected component (if applicable):
ovirt-hosted-engine-ha-2.4.2-1.el8.noarch
ovirt-node-ng-image-update-placeholder-4.4.0-0.9.beta1.el8.noarch

How reproducible:
100%

Steps to Reproduce:
1. Deploy hosted-engine
2. Add another host that can run the HE vm
3. Shutdown the network of the host
4. Check /var/log/ovirt-hosted-engine-ha/broker.log on the host

Actual results:
There is no log message to detect DNS queries timeout

Expected results:
Error log in broker.log to detect DNS queries failure

Comment 1 Nikolai Sednev 2020-05-19 14:12:17 UTC

[root@puma19 ~]# ifconfig enp5s0f1 down
[14801.900221] ovirtmgmt: port 1(enp5s0f1) entered disabled state

puma19 ~]# less /var/log/ovirt-hosted-engine-ha/broker.log |grep dns
Thread-1::WARNING::2020-05-19 17:04:55,112::network::120::network.Network::(_dns) DNS query failed: 
Thread-1::WARNING::2020-05-19 17:05:02,627::network::120::network.Network::(_dns) DNS query failed: 
Thread-1::WARNING::2020-05-19 17:05:09,642::network::120::network.Network::(_dns) DNS query failed: 

[root@puma19 ~]# less /var/log/ovirt-hosted-engine-ha/agent.log |grep dns
MainThread::INFO::2020-05-19 15:08:20,900::brokerlink::82::ovirt_hosted_engine_ha.lib.brokerlink.BrokerLink::(start_monitor) Starting monitor network, options {'addr': '10.35.163.254', 'network_test': 'dns', 'tcp_t_address': '', 'tcp_t_port': ''}
ovirt_hosted_engine_ha.lib.exceptions.RequestError: brokerlink - failed to start monitor via ovirt-ha-broker: [Errno 2] No such file or directory, [monitor: 'network', options: {'addr': '10.35.163.254', 'network_test': 'dns', 'tcp_t_address': '', 'tcp_t_port': ''}]
MainThread::INFO::2020-05-19 15:08:31,431::brokerlink::82::ovirt_hosted_engine_ha.lib.brokerlink.BrokerLink::(start_monitor) Starting monitor network, options {'addr': '10.35.163.254', 'network_test': 'dns', 'tcp_t_address': '', 'tcp_t_port': ''}

Tested on:
ovirt-hosted-engine-ha-2.4.3-1.el8ev.noarch
ovirt-hosted-engine-setup-2.4.4-1.el8ev.noarch
Linux 4.18.0-193.4.1.el8_2.x86_64 #1 SMP Fri May 15 15:02:51 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Red Hat Enterprise Linux release 8.2 (Ootpa)

Works for me just fine, moving to verified.

Comment 6 errata-xmlrpc 2020-08-04 13:27:53 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (RHV RHEL Host (ovirt-host) 4.4), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHEA-2020:3246