[jira] [Commented] (CLOUDSTACK-8935) Cannot remove VPC networks due to RTNETLINK error

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-8935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14949623#comment-14949623 ] 

ASF subversion and git services commented on CLOUDSTACK-8935:
-------------------------------------------------------------

Commit 7ed81a6990956ef577c8e193fadb195546ed3181 in cloudstack's branch refs/heads/master from [~wilder.rodrigues]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=7ed81a6 ]

CLOUDSTACK-8915 - Making sure cleanup resources passes

   - Due to an issue with VPC routers (CLOUDSTACK-8935) we are not able to destroy networks before destroying the routers
   - Added a forcestop/destroy routers inside the tearDown to make sure it passes. The issue will be addressed in a separate PR
   - Make sure the routers list is cleaned after destroy_routers() is called
   - Populate routers list after the router is recreated


> Cannot remove VPC networks due to RTNETLINK error
> -------------------------------------------------
>
>                 Key: CLOUDSTACK-8935
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8935
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Virtual Router
>    Affects Versions: 4.6.0
>            Reporter: Wilder Rodrigues
>            Assignee: Wilder Rodrigues
>            Priority: Critical
>
> Sometimes, when trying to remove a network of a rVPC, I get the following error in the router logs:
> 2015-10-06 08:28:59,929 DEBUG [kvm.resource.LibvirtComputingResource] (agentRequest-Handler-4:null) RTNETLINK answers: File existsRTNETLINK answers: File exists[WARN] update_config.py :: Reconfiguring guest netwo
> rk...[INFO] update_config.py :: Processing Guest Network.[INFO] Processing JSON file guest_network.jsonTraceback (most recent call last):  File "/opt/cloud/bin/update_config.py", line 131, in <module>    process_
> file()  File "/opt/cloud/bin/update_config.py", line 54, in process_file    finish_config()  File "/opt/cloud/bin/update_config.py", line 44, in finish_config    returncode = configure.main([])  File "/opt/cloud/
> bin/configure.py", line 888, in main    dhcp.process()  File "/opt/cloud/bin/cs/CsDhcp.py", line 47, in process    self.configure_server()  File "/opt/cloud/bin/cs/CsDhcp.py", line 71, in configure_server    line
>  = "dhcp-option=tag:interface-%s,6,%s" % (device, ','.join(gn.get_dns()))TypeError: sequence item 0: expected string, NoneType found
> A way to work this around is:
> 1. Stop and destroy the router(s)
> 2. Remove the network



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