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[tommy(小包) <bychyahoo@xxxxxxxxx>]

i mean VMs traffic can though different dhcp&l3 agent(like loadbancing)

https://review.openstack.org/#/c/24771/
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Thanks,
Tommy


2013/3/20 gong yong sheng <gongysh@xxxxxxxxxxxxxxxxxx>

>  we can deploy many dhcp agents and l3 agents.
>
> for multihost, we are doing:
> https://review.openstack.org/#/c/24771/
>
> On 03/20/2013 10:13 AM, tommy(小包) wrote:
>
> i worry about performance of quantum use subnet in one dhcp & l3 agent
> work for it(more dhcp & l3 just for backup)
>
>  if quantum have any solution to performance about quantum dhcp & l3 (may
> be one compute node have dhcp & l3 agent work for local VMs)
>
>
>  Thanks,
> Tommy
>
>
> 2013/3/20 Martinx - ジェ�`ムズ <thiagocmartinsc@xxxxxxxxx>
>
>> User "quantum" running `python /usr/bin/quantum-dhcp-agent'...
>>
>>
>> On 19 March 2013 22:55, gong yong sheng <gongysh@xxxxxxxxxxxxxxxxxx>wrote:
>>
>>>  that depends what user is running the dhcp agent.
>>>
>>> On 03/20/2013 09:52 AM, Martinx - ジェ�`ムズ wrote:
>>>
>>> My /etc/sudoers.d/nova_sudoers contains:
>>>
>>>  --
>>>  Defaults:nova !requiretty
>>>
>>>  nova ALL = (root) NOPASSWD: /usr/bin/nova-rootwrap
>>>  --
>>>
>>>  Do I need to change it?
>>>
>>>  Tks!
>>> Thiago
>>>
>>>
>>> On 19 March 2013 22:46, gong yong sheng <gongysh@xxxxxxxxxxxxxxxxxx>wrote:
>>>
>>>>  It seems be about sudo.
>>>> to create one sudo file under /etc/sudoers.d
>>>> mine is: nova_sudoers:
>>>> Defaults:gongysh !requiretty
>>>> gongysh ALL = (ALL) NOPASSWD: ALL
>>>>
>>>>
>>>> On 03/20/2013 09:37 AM, Martinx - ジェ�`ムズ wrote:
>>>>
>>>>   Hi!
>>>>
>>>>  I just rollback to the default namespace options, my Instance now get
>>>> its IP without problem.
>>>>
>>>>  But, the message from my first e-mail on this thread, still persist...
>>>>
>>>>  I tried to enable quantum metadata proxy stuff but, nothing changes...
>>>>
>>>>  The following error keeps rolling at
>>>> my /var/log/quantum/dhcp-agent.log:
>>>>
>>>>  ---
>>>> ...
>>>> Command: ['sudo', 'ip', 'netns', 'exec',
>>>> 'qdhcp-21a39c11-03fd-4e2e-b7a0-94eee95f5f91', 'quantum-ns-metadata-proxy',
>>>> '--pid_file=/var/lib/quantum/external/pids/21a39c11-03fd-4e2e-b7a0-94eee95f5f91.pid',
>>>> '--network_id=21a39c11-03fd-4e2e-b7a0-94eee95f5f91',
>>>> '--state_path=/var/lib/quantum', '--metadata_port=80', '--debug',
>>>> '--verbose',
>>>> '--log-file=quantum-ns-metadata-proxy21a39c11-03fd-4e2e-b7a0-94eee95f5f91.log',
>>>> '--log-dir=/var/log/quantum']
>>>>  Exit code: 1
>>>> Stdout: ''
>>>> Stderr: 'sudo: no tty present and no askpass program specified\nSorry,
>>>> try again.\nsudo: no tty present and no askpass program specified\nSorry,
>>>> try again.\nsudo: no tty present and no askpass program specified\nSorry,
>>>> try again.\nsudo: 3 incorrect password attempts\n'
>>>> ---
>>>>
>>>>   I tried everything I could... But this message persist...
>>>>
>>>>   The namespaces are enabled, look:
>>>>
>>>>   ip netns exec qdhcp-21a39c11-03fd-4e2e-b7a0-94eee95f5f91 ip r
>>>> 10.33.14.0/24 dev tapeb27823a-5e  proto kernel  scope link  src
>>>> 10.33.14.2
>>>>
>>>>   What can I do?
>>>>
>>>>  Tks,
>>>> Thiago
>>>>
>>>>
>>>> On 19 March 2013 20:35, Martinx - ジェ�`ムズ <thiagocmartinsc@xxxxxxxxx>wrote:
>>>>
>>>>>  After disabling namespaces, with:
>>>>>
>>>>>  `allow_overlapping_ips = False' in quantum.conf
>>>>>
>>>>>  and with:
>>>>>
>>>>>  `use_namespaces = False' in /etc/quantum/dhcp_agent.ini
>>>>>
>>>>>   The previous error message dissapear but, My Instance
>>>>> isn't getting its IP via DHCP now... Weird thing is that it was working
>>>>> couple minutes ago, without disabling namespaces explicitly...
>>>>>
>>>>>   If I add the Instance IP by hand, I can reach the Internet /
>>>>> gateway from it.
>>>>>
>>>>>   I'm finishing my Grizzly Quantum Single Flat PoC environment,
>>>>> planning to publish a nice guide soon!
>>>>>
>>>>>   I appreciate any help!
>>>>>
>>>>>  Tks!
>>>>> Thiago
>>>>>
>>>>> On 19 March 2013 20:09, Martinx - ジェ�`ムズ <thiagocmartinsc@xxxxxxxxx>wrote:
>>>>>
>>>>>> Guys,
>>>>>>
>>>>>>   My /var/log/quantum/dhcp-agent.log file shows:
>>>>>>
>>>>>>  2013-03-19 20:04:48    DEBUG [quantum.agent.linux.utils] Running
>>>>>> command: ['sudo', 'ip', 'netns', 'exec',
>>>>>> 'qdhcp-21a39c11-03fd-4e2e-b7a0-94eee95f5f91', 'quantum-ns-metadata-proxy',
>>>>>> '--pid_file=/var/lib/quantum/external/pids/21a39c11-03fd-4e2e-b7a0-94eee95f5f91.pid',
>>>>>> '--network_id=21a39c11-03fd-4e2e-b7a0-94eee95f5f91',
>>>>>> '--state_path=/var/lib/quantum', '--metadata_port=80', '--debug',
>>>>>> '--verbose',
>>>>>> '--log-file=quantum-ns-metadata-proxy21a39c11-03fd-4e2e-b7a0-94eee95f5f91.log','--log-dir=/var/log/quantum']
>>>>>> 2013-03-19 20:04:48    DEBUG [quantum.agent.linux.utils]
>>>>>> Command: ['sudo', 'ip', 'netns', 'exec',
>>>>>> 'qdhcp-21a39c11-03fd-4e2e-b7a0-94eee95f5f91', 'quantum-ns-metadata-proxy',
>>>>>> '--pid_file=/var/lib/quantum/external/pids/21a39c11-03fd-4e2e-b7a0-94eee95f5f91.pid',
>>>>>> '--network_id=21a39c11-03fd-4e2e-b7a0-94eee95f5f91',
>>>>>> '--state_path=/var/lib/quantum', '--metadata_port=80', '--debug',
>>>>>> '--verbose',
>>>>>> '--log-file=quantum-ns-metadata-proxy21a39c11-03fd-4e2e-b7a0-94eee95f5f91.log','--log-dir=/var/log/quantum']
>>>>>> Exit code: 1
>>>>>> Stdout: ''
>>>>>> Stderr: 'sudo: no tty present and no askpass program
>>>>>> specified\nSorry, try again.\nsudo: no tty present and no askpass program
>>>>>> specified\nSorry, try again.\nsudo: no tty present and no askpass program
>>>>>> specified\nSorry, try again.\nsudo: 3 incorrect password attempts\n'
>>>>>> 2013-03-19 20:04:48    ERROR [quantum.agent.dhcp_agent] Unable to
>>>>>> sync network state.
>>>>>> Traceback (most recent call last):
>>>>>>   File
>>>>>> "/usr/lib/python2.7/dist-packages/quantum/agent/dhcp_agent.py", line 154,
>>>>>> in sync_state
>>>>>>     self.refresh_dhcp_helper(network_id)
>>>>>>   File
>>>>>> "/usr/lib/python2.7/dist-packages/quantum/agent/dhcp_agent.py", line 208,
>>>>>> in refresh_dhcp_helper
>>>>>>     return self.enable_dhcp_helper(network_id)
>>>>>>   File
>>>>>> "/usr/lib/python2.7/dist-packages/quantum/agent/dhcp_agent.py", line 187,
>>>>>> in enable_dhcp_helper
>>>>>>     self.enable_isolated_metadata_proxy(network)
>>>>>>   File
>>>>>> "/usr/lib/python2.7/dist-packages/quantum/agent/dhcp_agent.py", line 321,
>>>>>> in enable_isolated_metadata_proxy
>>>>>>     pm.enable(callback)
>>>>>>   File
>>>>>> "/usr/lib/python2.7/dist-packages/quantum/agent/linux/external_process.py",
>>>>>> line 55, in enable
>>>>>>     ip_wrapper.netns.execute(cmd)
>>>>>>   File
>>>>>> "/usr/lib/python2.7/dist-packages/quantum/agent/linux/ip_lib.py", line 407,
>>>>>> in execute
>>>>>>     check_exit_code=check_exit_code)
>>>>>>   File
>>>>>> "/usr/lib/python2.7/dist-packages/quantum/agent/linux/utils.py", line 61,
>>>>>> in execute
>>>>>>     raise RuntimeError(m)
>>>>>> RuntimeError:
>>>>>>  Command: ['sudo', 'ip', 'netns', 'exec',
>>>>>> 'qdhcp-21a39c11-03fd-4e2e-b7a0-94eee95f5f91', 'quantum-ns-metadata-proxy',
>>>>>> '--pid_file=/var/lib/quantum/external/pids/21a39c11-03fd-4e2e-b7a0-94eee95f5f91.pid',
>>>>>> '--network_id=21a39c11-03fd-4e2e-b7a0-94eee95f5f91',
>>>>>> '--state_path=/var/lib/quantum', '--metadata_port=80', '--debug',
>>>>>> '--verbose',
>>>>>> '--log-file=quantum-ns-metadata-proxy21a39c11-03fd-4e2e-b7a0-94eee95f5f91.log','--log-dir=/var/log/quantum']
>>>>>> Exit code: 1
>>>>>> Stdout: ''
>>>>>> Stderr: 'sudo: no tty present and no askpass program
>>>>>> specified\nSorry, try again.\nsudo: no tty present and no askpass program
>>>>>> specified\nSorry, try again.\nsudo: no tty present and no askpass program
>>>>>> specified\nSorry, try again.\nsudo: 3 incorrect password attempts\n'
>>>>>>
>>>>>>   Tips?
>>>>>>
>>>>>>   It is a fresh installation to test Grizzly...
>>>>>>
>>>>>>   I'm not using GRE or L3, only Quantum Single FLAT... With Folsom
>>>>>> and previous Grizzly my Quantum was fine...
>>>>>>
>>>>>>   quantum-dhcp-agent
>>>>>> 1:2013.1+git201303190501~precise-0ubuntu1
>>>>>>
>>>>>>  Tks,
>>>>>> Thiago
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
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>>>>
>>>>
>>>
>>>
>>
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>>
>
>
>  --
> 没有翅膀不算天使!
>
>
>


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