[Openstack] Help with Nova Networking

yongiman at gmail.com yongiman at gmail.com
Wed Jul 31 22:07:46 UTC 2013


Hi Client,

br100 has 2 network address.

/var/log message says that point

How about removing one of the address?

However I don't think it's directrly related to vm provisioning error

Do you have nova-compute message?



On 2013. 7. 31., at 오전 8:29, Clint Dilks <clintd at waikato.ac.nz> wrote:

> Hi,
> 
> I have got to the point where I am trying to launch a virtual machine as per http://docs.openstack.org/folsom/openstack-compute/install/yum/content/running-an-instance.html
> 
> The boot command completes but it seems some key element of networking is failing.
> Does anyone have suggestions on how to trouble shoot this issue further?
> 
> $ nova boot --flavor 2 --image 9ed7b2c4-f296-4fd0-9ffa-026231947a09 --key_name mykey --security_group default cirros
> +-------------------------------------+--------------------------------------+
> | Property                            | Value                                |
> +-------------------------------------+--------------------------------------+
> | OS-DCF:diskConfig                   | MANUAL                               |
> | OS-EXT-SRV-ATTR:host                | None                                 |
> | OS-EXT-SRV-ATTR:hypervisor_hostname | None                                 |
> | OS-EXT-SRV-ATTR:instance_name       | instance-00000006                    |
> | OS-EXT-STS:power_state              | 0                                    |
> | OS-EXT-STS:task_state               | scheduling                           |
> | OS-EXT-STS:vm_state                 | building                             |
> | accessIPv4                          |                                      |
> | accessIPv6                          |                                      |
> | adminPass                           | ASyz54u26TGK                         |
> | config_drive                        |                                      |
> | created                             | 2013-07-30T22:14:32Z                 |
> | flavor                              | m1.small                             |
> | hostId                              |                                      |
> | id                                  | fc0c5515-9d30-4263-87ea-0f912c0fc7c7 |
> | image                               | cirros-0.3.0-x86_64                  |
> | key_name                            | mykey                                |
> | metadata                            | {}                                   |
> | name                                | cirros                               |
> | progress                            | 0                                    |
> | security_groups                     | [{u'name': u'default'}]              |
> | status                              | BUILD                                |
> | tenant_id                           | f037ea1bab6d4dc08b880c5fdea29fb5     |
> | updated                             | 2013-07-30T22:14:32Z                 |
> | user_id                             | a66355f1760448989e63dc54e853674f     |
> +-------------------------------------+--------------------------------------+
> 
> But I notice that no IPV4 address has been assigned
> 
> If do nova lists during the boot process I see the following
> 
> $ nova list
> +--------------------------------------+--------+--------+----------+
> | ID                                   | Name   | Status | Networks |
> +--------------------------------------+--------+--------+----------+
> | fc0c5515-9d30-4263-87ea-0f912c0fc7c7 | cirros | BUILD  |          |
> +--------------------------------------+--------+--------+----------+
> $ nova list
> +--------------------------------------+--------+--------+-----------------------+
> | ID                                   | Name   | Status | Networks              |
> +--------------------------------------+--------+--------+-----------------------+
> | fc0c5515-9d30-4263-87ea-0f912c0fc7c7 | cirros | BUILD  | private=192.168.100.2 |
> +--------------------------------------+--------+--------+-----------------------+
> $ nova list
> +--------------------------------------+--------+--------+-----------------------+
> | ID                                   | Name   | Status | Networks              |
> +--------------------------------------+--------+--------+-----------------------+
> | fc0c5515-9d30-4263-87ea-0f912c0fc7c7 | cirros | ERROR  | private=192.168.100.2 |
> +--------------------------------------+--------+--------+-----------------------+
> 
> And if I wait some time and then repeat the nova list it will change to
> $ nova list
> +--------------------------------------+--------+--------+----------+
> | ID                                   | Name   | Status | Networks |
> +--------------------------------------+--------+--------+----------+
> | fc0c5515-9d30-4263-87ea-0f912c0fc7c7 | cirros | ERROR  |          |
> +--------------------------------------+--------+--------+----------+
> 
> The process does not seem to be getting as far as attempting to boot the image
> 
> $ nova console-log fc0c5515-9d30-4263-87ea-0f912c0fc7c7
> ERROR: The resource could not be found. (HTTP 404) (Request-ID: req-b10876a4-9193-4158-829e-3454e80c706f)
> 
> There doesn't seem to be any obvious errors in /var/log/nova/network.log.  http://www.cms.waikato.ac.nz/~clintd/nova-network.log
> 
> And all nova related services appear to be running
> ]# nova-manage service list
> Binary           Host                                 Zone             Status     State Updated_At
> nova-volume      prancer                              nova             enabled    :-)   2013-07-30 23:14:22
> nova-scheduler   prancer                              nova             enabled    :-)   2013-07-30 23:14:28
> nova-cert        prancer                              nova             enabled    :-)   2013-07-30 23:14:25
> nova-compute     prancer                              nova             enabled    :-)   2013-07-30 23:14:21
> nova-network     prancer                              nova             enabled    :-)   2013-07-30 23:14:27
> nova-console     prancer                              nova             enabled    :-)   2013-07-30 23:14:26
> nova-consoleauth prancer                              nova             enabled    :-)   2013-07-30 23:14:23
> 
> # ip a
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN 
>     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>     inet 127.0.0.1/8 scope host lo
>     inet 169.254.169.254/32 scope link lo
> 2: em1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
>     link/ether 00:24:e8:fe:0e:8a brd ff:ff:ff:ff:ff:ff
>     inet 130.217.218.18/16 brd 130.217.255.255 scope global em1
> 3: em2: <NO-CARRIER,BROADCAST,MULTICAST,PROMISC,UP> mtu 1500 qdisc mq state DOWN qlen 1000
>     link/ether 00:24:e8:fe:0e:8b brd ff:ff:ff:ff:ff:ff
> 5: br100: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN 
>     link/ether 00:24:e8:fe:0e:8b brd ff:ff:ff:ff:ff:ff
>     inet 192.168.100.1/24 brd 192.168.100.255 scope global br100
>     inet 192.168.206.130/24 brd 192.168.206.255 scope global br100
> 8: virbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN 
>     link/ether 52:54:00:83:81:d1 brd ff:ff:ff:ff:ff:ff
>     inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
> 9: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 500
>     link/ether 52:54:00:83:81:d1 brd ff:ff:ff:ff:ff:ff
> 
> I am also seeing the following in /var/log messages.  Could it be related to the problem?
>  
> Jul 31 10:46:55 prancer dnsmasq[17941]: read /etc/hosts - 2 addresses
> Jul 31 10:46:55 prancer dnsmasq[17941]: read /var/lib/nova/networks/nova-br100.conf
> Jul 31 10:48:22 prancer dnsmasq[17941]: read /etc/hosts - 2 addresses
> Jul 31 10:48:22 prancer dnsmasq[17941]: read /var/lib/nova/networks/nova-br100.conf
> Jul 31 10:50:29 prancer dnsmasq[17941]: read /etc/hosts - 2 addresses
> Jul 31 10:50:29 prancer dnsmasq[17941]: read /var/lib/nova/networks/nova-br100.conf
> Jul 31 10:50:31 prancer dnsmasq[17941]: read /etc/hosts - 2 addresses
> Jul 31 10:50:31 prancer dnsmasq[17941]: read /var/lib/nova/networks/nova-br100.conf
> Jul 31 10:50:32 prancer dnsmasq-dhcp[17941]: DHCPRELEASE(br100) 192.168.100.2 fa:16:3e:7f:0f:96 unknown lease
> 
> # cat /etc/nova/nova.conf
> [DEFAULT]
> 
> # LOGS/STATE
> verbose=True
> logdir=/var/log/nova
> state_path=/var/lib/nova
> lock_path=/var/lock/nova
> rootwrap_config=/etc/nova/
> rootwrap.conf
> 
> # SCHEDULER
> compute_scheduler_driver=nova.scheduler.filter_scheduler.FilterScheduler
> 
> # VOLUMES
> volume_driver=nova.volume.driver.ISCSIDriver
> volume_group=nova-volumes
> volume_name_template=volume-%08x
> iscsi_helper=tgtadm
> 
> # DATABASE
> sql_connection=mysql://nova:0pen5tack-nova@192.168.206.130/nova
> 
> # COMPUTE
> libvirt_type=kvm
> compute_driver=libvirt.LibvirtDriver
> instance_name_template=instance-%08x
> api_paste_config=/etc/nova/api-paste.ini
> 
> # COMPUTE/APIS: if you have separate configs for separate services
> # this flag is required for both nova-api and nova-compute
> allow_resize_to_same_host=True
> 
> # APIS
> osapi_compute_extension=nova.api.openstack.compute.contrib.standard_extensions
> ec2_dmz_host=192.168.206.130
> s3_host=192.168.206.130
> 
> # Qpid
> rpc_backend=nova.rpc.impl_qpid
> qpid_hostname=192.168.206.130
> 
> # GLANCE
> image_service=nova.image.glance.GlanceImageService
> glance_api_servers=192.168.206.130:9292
> 
> # NETWORK
> network_manager=nova.network.manager.FlatDHCPManager
> dhcpbridge=/usr/bin/nova-dhcpbridge
> force_dhcp_release=True
> dhcpbridge_flagfile=/etc/nova/nova.conf
> firewall_driver=nova.virt.libvirt.firewall.IptablesFirewallDriver
> # Change my_ip to match each host
> my_ip=192.168.206.130
> public_interface=em2
> vlan_interface=em2
> flat_network_bridge=br100
> flat_interface=em2
> fixed_range=192.168.100.0/24
> 
> # NOVNC CONSOLE
> novncproxy_base_url=http://192.168.206.130:6080/vnc_auto.html
> # Change vncserver_proxyclient_address and vncserver_listen to match each compute host
> vncserver_proxyclient_address=192.168.206.130
> vncserver_listen=192.168.206.130
> 
> # AUTHENTICATION
> auth_strategy=keystone
> [keystone_authtoken]
> auth_host = 127.0.0.1
> auth_port = 35357
> auth_protocol = http
> admin_tenant_name = service
> admin_user = nova
> admin_password = nova
> signing_dirname = /tmp/keystone-signing-nova
> 
> 
> Thanks for any advice you are willing to share :)
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