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Re: Can't ping my VM after associating a floating IP address

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You are having the exact same issue, sudo is complaining about being executed without a tty. Could you please take a look at the various links I provided to you and check ?
Basically, you can quickly disable requiretty on sudoers and retry, to check if that fixes the problem. 
Which is your distro ?
Could you please paste /etc/sudoers ?
Also, please use 'sudo service quantum-XXX-agent restart' instead of 'sudo /etc/init.d/quantum-X-agent restart' directly. 

-Sylvain

Le 20/03/2013 14:29, Mohammed Amine SAYA a écrit :

Hi Sylvain,

Thanks for your answer.
No I am not. I am actually logged in the controller machine. I start the l3-agent with sudo /etc/init.d/quantum-l3-agent start.
But I took a look at /var/log/quantum/dhcp-agent.log and I got this : (see last log) 
Like l3-agent, it complains about some interfaces that do not exist.
Here is the result of ovs-vsctl show on both the contoller node and the compute node : 

On the controller node which also runs as a network node:
8e316a78-ad43-4a0a-89ae-a6c734ef0b52
    Bridge br-tun
        Port "gre-1"
            Interface "gre-1"
                type: gre
options: {in_key=flow, out_key=flow, remote_ip="192.168.0.1"} 
        Port "gre-2"
            Interface "gre-2"
                type: gre
options: {in_key=flow, out_key=flow, remote_ip="192.168.0.2"} 
        Port patch-int
            Interface patch-int
                type: patch
                options: {peer=patch-tun}
        Port "gre-4"
            Interface "gre-4"
                type: gre
options: {in_key=flow, out_key=flow, remote_ip="192.168.1.2"} 
        Port br-tun
            Interface br-tun
                type: internal
    Bridge br-ex
        Port "eth1"
            Interface "eth1"
        Port br-ex
            Interface br-ex
                type: internal
    Bridge br-int
        Port patch-tun
            Interface patch-tun
                type: patch
                options: {peer=patch-int}
        Port br-int
            Interface br-int
                type: internal
    ovs_version: "1.4.5"



On the compute node :
6c9b615e-650b-4e80-8d53-233c90eed49e
    Bridge br-int
        Port br-int
            Interface br-int
                type: internal
        Port patch-tun
            Interface patch-tun
                type: patch
                options: {peer=patch-int}
        Port "qvof1e2c3c0-bc"
            tag: 1
            Interface "qvof1e2c3c0-bc"
    Bridge br-tun
        Port "gre-2"
            Interface "gre-2"
                type: gre
options: {in_key=flow, out_key=flow, remote_ip="192.168.0.2"} 
        Port "gre-1"
            Interface "gre-1"
                type: gre
options: {in_key=flow, out_key=flow, remote_ip="192.168.0.1"} 
        Port patch-int
            Interface patch-int
                type: patch
                options: {peer=patch-tun}
        Port "gre-3"
            Interface "gre-3"
                type: gre
options: {in_key=flow, out_key=flow, remote_ip="192.168.1.1"} 
        Port br-tun
            Interface br-tun
                type: internal
    ovs_version: "1.4.5"
2013-03-20 14:22:47 DEBUG [quantum.openstack.common.rpc.amqp] Making asynchronous call on q-plugin ... 2013-03-20 14:22:47 DEBUG [quantum.openstack.common.rpc.amqp] MSG_ID is 1d5a7c943a1845d3837f9bc4d6d72590 
2013-03-20 14:22:47    DEBUG [amqplib] Closed channel #1
2013-03-20 14:22:47    DEBUG [amqplib] using channel_id: 1
2013-03-20 14:22:47    DEBUG [amqplib] Channel open
2013-03-20 14:23:17 INFO [quantum.agent.dhcp_agent] Synchronizing state 2013-03-20 14:23:17 DEBUG [quantum.openstack.common.rpc.amqp] Making asynchronous call on q-plugin ... 2013-03-20 14:23:17 DEBUG [quantum.openstack.common.rpc.amqp] MSG_ID is 910cccbade364f5cba63eb787db731e3 
2013-03-20 14:23:17    DEBUG [amqplib] Closed channel #1
2013-03-20 14:23:17    DEBUG [amqplib] using channel_id: 1
2013-03-20 14:23:17    DEBUG [amqplib] Channel open
2013-03-20 14:23:17 DEBUG [quantum.openstack.common.rpc.amqp] Making asynchronous call on q-plugin ... 2013-03-20 14:23:17 DEBUG [quantum.openstack.common.rpc.amqp] MSG_ID is e26dc4c782954d349462c7b237755b89 
2013-03-20 14:23:17    DEBUG [amqplib] Closed channel #1
2013-03-20 14:23:17    DEBUG [amqplib] using channel_id: 1
2013-03-20 14:23:17    DEBUG [amqplib] Channel open
2013-03-20 14:23:17 DEBUG [quantum.openstack.common.rpc.amqp] Making asynchronous call on q-plugin ... 2013-03-20 14:23:17 DEBUG [quantum.openstack.common.rpc.amqp] MSG_ID is 185e0f3426d242ea9188582e0d09b2b3 
2013-03-20 14:23:17    DEBUG [amqplib] Closed channel #1
2013-03-20 14:23:17    DEBUG [amqplib] using channel_id: 1
2013-03-20 14:23:17    DEBUG [amqplib] Channel open
2013-03-20 14:23:17 DEBUG [quantum.agent.linux.utils] Running command: ip -o link show tap8d6cc6c4-d1 
2013-03-20 14:23:17    DEBUG [quantum.agent.linux.utils]
Command: ['ip', '-o', 'link', 'show', 'tap8d6cc6c4-d1']
Exit code: 1
Stdout: ''
Stderr: 'Device "tap8d6cc6c4-d1" does not exist.\n'
2013-03-20 14:23:17 DEBUG [quantum.agent.linux.utils] Running command: ip -o link show br-int 
2013-03-20 14:23:17    DEBUG [quantum.agent.linux.utils]
Command: ['ip', '-o', 'link', 'show', 'br-int']
Exit code: 0
Stdout: '5: br-int: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT \\ link/ether 16:cc:49:e1:d2:4c brd ff:ff:ff:ff:ff:ff\n' 
Stderr: ''
2013-03-20 14:23:17 DEBUG [quantum.agent.linux.utils] Running command: ip -o link show tap8d6cc6c4-d1 
2013-03-20 14:23:17    DEBUG [quantum.agent.linux.utils]
Command: ['ip', '-o', 'link', 'show', 'tap8d6cc6c4-d1']
Exit code: 1
Stdout: ''
Stderr: 'Device "tap8d6cc6c4-d1" does not exist.\n'
2013-03-20 14:23:17 DEBUG [quantum.agent.linux.utils] Running command: sudo /usr/bin/quantum-rootwrap /etc/quantum/rootwrap.conf ovs-vsctl -- --may-exist add-port br-int tap8d6cc6c4-d1 -- set Interface tap8d6cc6c4-d1 type=internal -- set Interface tap8d6cc6c4-d1 external-ids:iface-id=8d6cc6c4-d1f3-41bf-975f-a9c07c5e5834 -- set Interface tap8d6cc6c4-d1 external-ids:iface-status=active -- set Interface tap8d6cc6c4-d1 external-ids:attached-mac=fa:16:3e:b1:8d:b1 
2013-03-20 14:23:17    DEBUG [quantum.agent.linux.utils]
Command: ['sudo', '/usr/bin/quantum-rootwrap', '/etc/quantum/rootwrap.conf', 'ovs-vsctl', '--', '--may-exist', 'add-port', 'br-int', 'tap8d6cc6c4-d1', '--', 'set', 'Interface', 'tap8d6cc6c4-d1', 'type=internal', '--', 'set', 'Interface', 'tap8d6cc6c4-d1', 'external-ids:iface-id=8d6cc6c4-d1f3-41bf-975f-a9c07c5e5834', '--', 'set', 'Interface', 'tap8d6cc6c4-d1', 'external-ids:iface-status=active', '--', 'set', 'Interface', 'tap8d6cc6c4-d1', 'external-ids:attached-mac=fa:16:3e:b1:8d:b1'] 
Exit code: 1
Stdout: ''
Stderr: 'sudo: no tty present and no askpass program specified\n'
2013-03-20 14:23:17 ERROR [quantum.agent.dhcp_agent] Unable to enable dhcp. 
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/quantum/agent/dhcp_agent.py", line 91, in call_driver 
    getattr(driver, action)()
File "/usr/lib/python2.7/dist-packages/quantum/agent/linux/dhcp.py", line 108, in enable 
    reuse_existing=True)
File "/usr/lib/python2.7/dist-packages/quantum/agent/dhcp_agent.py", line 436, in setup 
    namespace=namespace)
File "/usr/lib/python2.7/dist-packages/quantum/agent/linux/interface.py", line 137, in plug 
    self._ovs_add_port(bridge, device_name, port_id, mac_address)
File "/usr/lib/python2.7/dist-packages/quantum/agent/linux/interface.py", line 123, in _ovs_add_port 
    utils.execute(cmd, self.conf.root_helper)
File "/usr/lib/python2.7/dist-packages/quantum/agent/linux/utils.py", line 63, in execute 
    raise RuntimeError(m)
RuntimeError:
Command: ['sudo', '/usr/bin/quantum-rootwrap', '/etc/quantum/rootwrap.conf', 'ovs-vsctl', '--', '--may-exist', 'add-port', 'br-int', 'tap8d6cc6c4-d1', '--', 'set', 'Interface', 'tap8d6cc6c4-d1', 'type=internal', '--', 'set', 'Interface', 'tap8d6cc6c4-d1', 'external-ids:iface-id=8d6cc6c4-d1f3-41bf-975f-a9c07c5e5834', '--', 'set', 'Interface', 'tap8d6cc6c4-d1', 'external-ids:iface-status=active', '--', 'set', 'Interface', 'tap8d6cc6c4-d1', 'external-ids:attached-mac=fa:16:3e:b1:8d:b1'] 
Exit code: 1
Stdout: ''
Stderr: 'sudo: no tty present and no askpass program specified\n'
2013-03-20 14:23:17 DEBUG [quantum.openstack.common.rpc.amqp] Making asynchronous call on q-plugin ... 2013-03-20 14:23:17 DEBUG [quantum.openstack.common.rpc.amqp] MSG_ID is d341e9c13c294c628f75de229e0c6674 
2013-03-20 14:23:17    DEBUG [amqplib] Closed channel #1
2013-03-20 14:23:17    DEBUG [amqplib] using channel_id: 1
2013-03-20 14:23:17    DEBUG [amqplib] Channel open


Thanks for your help,
Amine.
On Wed, Mar 20, 2013 at 2:15 PM, Sylvain Bauza <sylvain.bauza@xxxxxxxxxxxx <mailto:sylvain.bauza@xxxxxxxxxxxx>> wrote: 

    Le 20/03/2013 13:24, Mohammed Amine SAYA a écrit :

        RuntimeError:
        Command: ['sudo', 'quantum-rootwrap',
        '/etc/quantum/rootwrap.conf', 'ovs-vsctl', '--',
        '--may-exist', 'add-port', 'br-ex', 'qg-32dd6c6b-b6', '--',
        'set', 'Interface', 'qg-32dd6c6b-b6', 'type=internal', '--',
        'set', 'Interface', 'qg-32dd6c6b-b6',
        'external-ids:iface-id=32dd6c6b-b6e8-4dff-b0db-3d804805c4e4',
        '--', 'set', 'Interface', 'qg-32dd6c6b-b6',
        'external-ids:iface-status=active', '--', 'set', 'Interface',
        'qg-32dd6c6b-b6', 'external-ids:attached-mac=fa:16:3e:6f:1b:81']
        Exit code: 1
        Stdout: ''
        Stderr: 'sudo: no tty present and no askpass program specified\n'


    The answer is here :
    http://www.lmgtfy.com/?q=sudo%3A+no+tty+present+and+no+askpass+program+specified

    Are you trying to start the L3 agent thru ssh ?

    -Sylvain

References

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