This Howto is supposed to show up some internals which usually are not known by people just starting with AIO ( allinone) Havana setup on CentOS 6.5
View also RDO Havana Neutron Namespaces Troubleshooting for OVS&VLAN (GRE) Config http://bderzhavets.blogspot.com/2014/04/rdo-havana-neutron-namespaces.html
Getting routers and network ids for corresponding namespaces
[root@havana ~(keystone_admin)]# neutron router-list
+--------------------------------------+---------+-----------------------------------------------------------------------------+
| id | name | external_gateway_info |
+--------------------------------------+---------+-----------------------------------------------------------------------------+
| 6c0825b7-7cb1-4327-a97b-04a7837ceba4 | router2 | {"network_id": "7acdb5bb-f366-4a77-9eab-b232fcfc5b7e", "enable_snat": true} |
+--------------------------------------+---------+-----------------------------------------------------------------------------+
[root@havana ~(keystone_admin)]# ip netns | grep 6c0825b7-7cb1-4327-a97b-04a7837ceba4
qrouter-6c0825b7-7cb1-4327-a97b-04a7837ceba4
[root@havana ~(keystone_admin)]# neutron net-list
+--------------------------------------+----------+-------------------------------------------------------+
| id | name | subnets |
+--------------------------------------+----------+-------------------------------------------------------+
| 30f38c89-4d4f-4d1d-bdea-e1f252221a57 | private1 | 2e143cbd-d965-417b-b366-d58b75952e46 40.0.0.0/24 |
| 57b12ecb-bc00-4482-9653-d84c67c79e04 | private | a42fb194-3751-4f64-afcf-cddcfc5d6432 10.0.0.0/24 |
| 7acdb5bb-f366-4a77-9eab-b232fcfc5b7e | public | 9f2e36cb-47b7-427a-8948-1184f0c6507e 192.168.122.0/24 |
+--------------------------------------+----------+-------------------------------------------------------+
Neutron agents status verification
[root@havana ~(keystone_admin)]# neutron agent-list
+--------------------------------------+--------------------+--------------------+-------+----------------+
| id | agent_type | host | alive | admin_state_up |
+--------------------------------------+--------------------+--------------------+-------+----------------+
| 8a198929-b5d2-4e30-8f9c-ad6419e00349 | Open vSwitch agent | havana.localdomain | :-) | True |
| a82e3f96-2849-47d3-bf39-bf83f907cf92 | DHCP agent | havana.localdomain | :-) | True |
| f164778e-de98-4e51-9aeb-59568b30bca8 | L3 agent | havana.localdomain | :-) | True |
+--------------------------------------+--------------------+--------------------+-------+----------
[root@havana ~(keystone_admin)]# ip netns | grep 30f38c89-4d4f-4d1d-bdea-e1f252221a57
qdhcp-30f38c89-4d4f-4d1d-bdea-e1f252221a57
[root@havana ~(keystone_admin)]# ip netns | grep 57b12ecb-bc00-4482-9653-d84c67c79e04
qdhcp-57b12ecb-bc00-4482-9653-d84c67c79e04
Getting internal and external qrouter namespace interfaces names
[root@havana ~(keystone_admin)]# ip netns exec qrouter-6c0825b7-7cb1-4327-a97b-04a7837ceba4 ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
qg-876fd79e-d1 Link encap:Ethernet HWaddr FA:16:3E:27:DC:DF
inet addr:192.168.122.102 Bcast:192.168.122.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fe27:dcdf/64 Scope:Link
UP BROADCAST RUNNING MTU:1500 Metric:1
RX packets:14556 errors:0 dropped:0 overruns:0 frame:0
TX packets:3054 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:20754615 (19.7 MiB) TX bytes:290113 (283.3 KiB)
qr-b9f5e2fa-cb Link encap:Ethernet HWaddr FA:16:3E:CC:6A:11
inet addr:40.0.0.1 Bcast:40.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fecc:6a11/64 Scope:Link
UP BROADCAST RUNNING MTU:1500 Metric:1
RX packets:3033 errors:0 dropped:0 overruns:0 frame:0
TX packets:14550 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:290129 (283.3 KiB) TX bytes:20754691 (19.7 MiB)
Getting internal interfaces of qdhcp namespaces
[root@havana ~(keystone_admin)]# ip netns exec qdhcp-30f38c89-4d4f-4d1d-bdea-e1f252221a57 ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
tapd265d281-00 Link encap:Ethernet HWaddr FA:16:3E:57:C6:94
inet addr:40.0.0.11 Bcast:40.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fe57:c694/64 Scope:Link
UP BROADCAST RUNNING MTU:1500 Metric:1
RX packets:59 errors:0 dropped:0 overruns:0 frame:0
TX packets:53 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:8640 (8.4 KiB) TX bytes:8746 (8.5 KiB)
[root@havana ~(keystone_admin)]# ip netns exec qdhcp-57b12ecb-bc00-4482-9653-d84c67c79e04 ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
tap7e72dcf0-96 Link encap:Ethernet HWaddr FA:16:3E:6E:BF:64
inet addr:10.0.0.2 Bcast:10.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fe6e:bf64/64 Scope:Link
UP BROADCAST RUNNING MTU:1500 Metric:1
RX packets:9 errors:0 dropped:0 overruns:0 frame:0
TX packets:10 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:726 (726.0 b) TX bytes:796 (796.0 b)
[root@havana ~(keystone_admin)]# ovs-vsctl show
20611b75-2436-46a8-8016-21588b858a0c
Bridge br-ex
Port "eth0"
Interface "eth0"
Port "qg-876fd79e-d1"
Interface "qg-876fd79e-d1"
type: internal
Port br-ex
Interface br-ex
type: internal
Bridge br-int
Port "tap7e72dcf0-96"
tag: 2
Interface "tap7e72dcf0-96"
type: internal
Port "tapd265d281-00"
tag: 1
Interface "tapd265d281-00"
type: internal
Port "qr-b9f5e2fa-cb"
tag: 1
Interface "qr-b9f5e2fa-cb"
type: internal
Port "qvo266c9054-1a"
tag: 1
Interface "qvo266c9054-1a"
Port "qvob710d1a4-90"
tag: 1
Interface "qvob710d1a4-90"
Port br-int
Interface br-int
type: internal
ovs_version: "1.11.0
****************************
Veth pairs verification
****************************
[root@havana ~(keystone_admin)]# brctl show
bridge name bridge id STP enabled interfaces
qbr266c9054-1a 8000.cac48b4d0dcd no qvb266c9054-1a
qbrb710d1a4-90 8000.666011280442 no qvbb710d1a4-90
[root@havana ~(keystone_admin)]# ovs-vsctl show | grep 266c9054-1a
Port "qvo266c9054-1a"
Interface "qvo266c9054-1a"
[root@havana ~(keystone_admin)]# ovs-vsctl show | grep 710d1a4-90
Port "qvob710d1a4-90"
Interface "qvob710d1a4-90"
The qvo prefix stands for neutron veth Open vSwitch side and the qvb prefix stands for neutron veth linux bridge side . Details here :- http://openstack.redhat.com/PackStack_All-in-One_DIY_Configuration
*************************************************
Getting routers DNAT&SNAT forwarding rools
*************************************************
[root@havana ~(keystone_admin)]# ip netns exec qrouter-6c0825b7-7cb1-4327-a97b-04a7837ceba4 iptables -S -t nat
-P PREROUTING ACCEPT
-P POSTROUTING ACCEPT
-P OUTPUT ACCEPT
-N neutron-l3-agent-OUTPUT
-N neutron-l3-agent-POSTROUTING
-N neutron-l3-agent-PREROUTING
-N neutron-l3-agent-float-snat
-N neutron-l3-agent-snat
-N neutron-postrouting-bottom
-A PREROUTING -j neutron-l3-agent-PREROUTING
-A POSTROUTING -j neutron-l3-agent-POSTROUTING
-A POSTROUTING -j neutron-postrouting-bottom
-A OUTPUT -j neutron-l3-agent-OUTPUT
-A neutron-l3-agent-OUTPUT -d 192.168.122.105/32 -j DNAT --to-destination 40.0.0.12
-A neutron-l3-agent-OUTPUT -d 192.168.122.103/32 -j DNAT --to-destination 40.0.0.10
-A neutron-l3-agent-POSTROUTING ! -i qg-876fd79e-d1 ! -o qg-876fd79e-d1 -m conntrack ! --ctstate DNAT -j ACCEPT
-A neutron-l3-agent-PREROUTING -d 169.254.169.254/32 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 9697
-A neutron-l3-agent-PREROUTING -d 192.168.122.105/32 -j DNAT --to-destination 40.0.0.12
-A neutron-l3-agent-PREROUTING -d 192.168.122.103/32 -j DNAT --to-destination 40.0.0.10
-A neutron-l3-agent-float-snat -s 40.0.0.12/32 -j SNAT --to-source 192.168.122.105
-A neutron-l3-agent-float-snat -s 40.0.0.10/32 -j SNAT --to-source 192.168.122.103
-A neutron-l3-agent-snat -j neutron-l3-agent-float-snat
-A neutron-l3-agent-snat -s 40.0.0.0/24 -j SNAT --to-source 192.168.122.102
-A neutron-postrouting-bottom -j neutron-l3-agent-snat
********************************************************************************
Pinging running VM from host and capturing packages via tcpdump on internal external interfaces of qrouter namespace
********************************************************************************
[root@havana ~]# ip netns exec qrouter-6c0825b7-7cb1-4327-a97b-04a7837ceba4 tcpdump -ln -i qg-876fd79e-d1
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on qg-876fd79e-d1, link-type EN10MB (Ethernet), capture size 65535 bytes
17:47:27.402753 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 12, length 64
17:47:27.403643 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 12, length 64
17:47:28.404095 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 13, length 64
17:47:28.405191 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 13, length 64
17:47:29.405633 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 14, length 64
17:47:29.406348 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 14, length 64
17:47:30.406741 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 15, length 64
17:47:30.407517 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 15, length 64
17:47:31.407896 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 16, length 64
17:47:31.408567 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 16, length 64
17:47:32.408970 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 17, length 64
17:47:32.409735 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 17, length 64
17:47:33.410087 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 18, length 64
17:47:33.410886 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 18, length 64
17:47:34.411608 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 19, length 64
17:47:34.412400 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 19, length 64
[root@havana ~]# ip netns exec qrouter-6c0825b7-7cb1-4327-a97b-04a7837ceba4 tcpdump -ln -i qr-b9f5e2fa-cb
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on qr-b9f5e2fa-cb, link-type EN10MB (Ethernet), capture size 65535 bytes
17:47:34.411634 IP 192.168.122.100 > 40.0.0.12: ICMP echo request, id 33844, seq 19, length 64
17:47:34.412344 IP 40.0.0.12 > 192.168.122.100: ICMP echo reply, id 33844, seq 19, length 64
17:47:35.412857 IP 192.168.122.100 > 40.0.0.12: ICMP echo request, id 33844, seq 20, length 64
17:47:35.413579 IP 40.0.0.12 > 192.168.122.100: ICMP echo reply, id 33844, seq 20, length 64
17:47:36.414018 IP 192.168.122.100 > 40.0.0.12: ICMP echo request, id 33844, seq 21, length 64
17:47:36.414782 IP 40.0.0.12 > 192.168.122.100: ICMP echo reply, id 33844, seq 21, length 64
17:47:37.415336 IP 192.168.122.100 > 40.0.0.12: ICMP echo request, id 33844, seq 22, length 64
17:47:37.421958 IP 40.0.0.12 > 192.168.122.100: ICMP echo reply, id 33844, seq 22, length 64
17:47:38.417196 IP 192.168.122.100 > 40.0.0.12: ICMP echo request, id 33844, seq 23, length 64
17:47:38.417931 IP 40.0.0.12 > 192.168.122.100: ICMP echo reply, id 33844, seq 23, length 64
17:47:39.418426 IP 192.168.122.100 > 40.0.0.12: ICMP echo request, id 33844, seq 24, length 64
17:47:39.419180 IP 40.0.0.12 > 192.168.122.100: ICMP echo reply, id 33844, seq 24, length 64
17:47:40.418793 IP 192.168.122.100 > 40.0.0.12: ICMP echo request, id 33844, seq 25, length 64
17:47:40.419562 IP 40.0.0.12 > 192.168.122.100: ICMP echo reply, id 33844, seq 25, length 64
Troubleshooting DHCP inside private network (VM is running and is requesting
dhcp-lease on regular basis)
[root@havana ~(keystone_admin)]# neutron net-list
+--------------------------------------+----------+-------------------------------------------------------+
| id | name | subnets |
+--------------------------------------+----------+-------------------------------------------------------+
| 30f38c89-4d4f-4d1d-bdea-e1f252221a57 | private1 | 2e143cbd-d965-417b-b366-d58b75952e46 40.0.0.0/24 |
| 57b12ecb-bc00-4482-9653-d84c67c79e04 | private | a42fb194-3751-4f64-afcf-cddcfc5d6432 10.0.0.0/24 |
| 7acdb5bb-f366-4a77-9eab-b232fcfc5b7e | public | 9f2e36cb-47b7-427a-8948-1184f0c6507e 192.168.122.0/24 |
+--------------------------------------+----------+-------------------------------------------------------+
[root@havana ~(keystone_admin)]# ip netns | grep 30f38c89-4d4f-4d1d-bdea-e1f252221a57
qdhcp-30f38c89-4d4f-4d1d-bdea-e1f252221a57
[root@havana ~(keystone_admin)]# ip netns exec qdhcp-30f38c89-4d4f-4d1d-bdea-e1f252221a57 ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
tapd265d281-00 Link encap:Ethernet HWaddr FA:16:3E:57:C6:94
inet addr:40.0.0.11 Bcast:40.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fe57:c694/64 Scope:Link
UP BROADCAST RUNNING MTU:1500 Metric:1
RX packets:22 errors:0 dropped:0 overruns:0 frame:0
TX packets:15 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2486 (2.4 KiB) TX bytes:2214 (2.1 KiB)
[root@havana ~(keystone_admin)]# ip netns exec qdhcp-30f38c89-4d4f-4d1d-bdea-e1f252221a57 tcpdump -ln -i tapd265d281-00
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on tapd265d281-00, link-type EN10MB (Ethernet), capture size 65535 bytes
10:12:56.093405 IP 40.0.0.12.bootpc > 40.0.0.11.bootps: BOOTP/DHCP, Request from fa:16:3e:de:f7:ec, length 300
10:12:56.093614 IP 40.0.0.11.bootps > 40.0.0.12.bootpc: BOOTP/DHCP, Reply, length 324
10:13:01.092868 ARP, Request who-has 40.0.0.12 tell 40.0.0.11, length 28
10:13:01.093960 ARP, Reply 40.0.0.12 is-at fa:16:3e:de:f7:ec, length 28
10:13:49.834522 IP 40.0.0.12.bootpc > 40.0.0.11.bootps: BOOTP/DHCP, Request from fa:16:3e:de:f7:ec, length 300
10:13:49.837596 IP 40.0.0.11.bootps > 40.0.0.12.bootpc: BOOTP/DHCP, Reply, length 324
10:13:54.836873 ARP, Request who-has 40.0.0.12 tell 40.0.0.11, length 28
10:13:54.838265 ARP, Reply 40.0.0.12 is-at fa:16:3e:de:f7:ec, length 28
10:14:43.800255 IP 40.0.0.12.bootpc > 40.0.0.11.bootps: BOOTP/DHCP, Request from fa:16:3e:de:f7:ec, length 300
10:14:43.809635 IP 40.0.0.11.bootps > 40.0.0.12.bootpc: BOOTP/DHCP, Reply, length 324
10:14:48.807599 ARP, Request who-has 40.0.0.11 tell 40.0.0.12, length 28
10:14:48.807631 ARP, Reply 40.0.0.11 is-at fa:16:3e:57:c6:94, length 28
10:15:26.138172 IP 40.0.0.12.bootpc > 40.0.0.11.bootps: BOOTP/DHCP, Request from fa:16:3e:de:f7:ec, length 300
10:15:26.140720 IP 40.0.0.11.bootps > 40.0.0.12.bootpc: BOOTP/DHCP, Reply, length 324
10:15:31.140869 ARP, Request who-has 40.0.0.12 tell 40.0.0.11, length 28
10:15:31.142128 ARP, Reply 40.0.0.12 is-at fa:16:3e:de:f7:ec, length 28
********************************************************************
List of /etc/libvirt/qemu XML definitions of VMs running in the cloud
to compare with `brctl show` output
********************************************************************
[root@havana ~(keystone_admin)]# cd /etc/libvirt/qemu
[root@havana qemu(keystone_admin)]# ls -l
total 12
-rw-------. 1 root root 2889 Apr 12 17:58 instance-00000001.xml
-rw-------. 1 root root 3007 Apr 28 17:23 instance-00000003.xml
drwx------. 3 root root 4096 Apr 12 15:26 networks
[root@havana qemu(keystone_admin)]# cat instance-00000001.xml
<!--
WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
virsh edit instance-00000001
or other application using the libvirt API.
-->
<domain type='qemu'>
<name>instance-00000001</name>
<uuid>00a43ef7-a3a7-47fe-942a-fcbef48d5fe2</uuid>
<memory unit='KiB'>524288</memory>
<currentMemory unit='KiB'>524288</currentMemory>
<vcpu placement='static'>1</vcpu>
<sysinfo type='smbios'>
<system>
<entry name='manufacturer'>Red Hat Inc.</entry>
<entry name='product'>OpenStack Nova</entry>
<entry name='version'>2013.2.2-1.el6</entry>
<entry name='serial'>d9e7bce0-ee66-4c7f-aa96-1950d86b5bb6</entry>
<entry name='uuid'>00a43ef7-a3a7-47fe-942a-fcbef48d5fe2</entry>
</system>
</sysinfo>
<os>
<type arch='x86_64' machine='rhel6.5.0'>hvm</type>
<boot dev='hd'/>
<smbios mode='sysinfo'/>
</os>
<features>
<acpi/>
<apic/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/libexec/qemu-kvm</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2' cache='none'/>
<source file='/var/lib/nova/instances/00a43ef7-a3a7-47fe-942a-fcbef48d5fe2/disk'/>
<target dev='vda' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
</disk>
<controller type='usb' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<interface type='bridge'>
<mac address='fa:16:3e:1f:2e:ab'/>
<source bridge='qbrb710d1a4-90'/>
<target dev='tapb710d1a4-90'/>
<model type='virtio'/>
<driver name='qemu'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
<serial type='file'>
<source path='/var/lib/nova/instances/00a43ef7-a3a7-47fe-942a-fcbef48d5fe2/console.log'/>
<target port='0'/>
</serial>
<serial type='pty'>
<target port='1'/>
</serial>
<console type='file'>
<source path='/var/lib/nova/instances/00a43ef7-a3a7-47fe-942a-fcbef48d5fe2/console.log'/>
<target type='serial' port='0'/>
</console>
<input type='tablet' bus='usb'/>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='-1' autoport='yes' listen='192.168.122.100' keymap='en-us'>
<listen type='address' address='192.168.122.100'/>
</graphics>
<video>
<model type='cirrus' vram='9216' heads='1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
</memballoon>
</devices>
</domain>
[root@havana qemu(keystone_admin)]# cat instance-00000003.xml
<!--
WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
virsh edit instance-00000003
or other application using the libvirt API.
-->
<domain type='qemu'>
<name>instance-00000003</name>
<uuid>7306a5a1-4148-4744-bd55-edb4fae0e98d</uuid>
<memory unit='KiB'>2097152</memory>
<currentMemory unit='KiB'>2097152</currentMemory>
<vcpu placement='static'>1</vcpu>
<sysinfo type='smbios'>
<system>
<entry name='manufacturer'>Red Hat Inc.</entry>
<entry name='product'>OpenStack Nova</entry>
<entry name='version'>2013.2.2-1.el6</entry>
<entry name='serial'>d9e7bce0-ee66-4c7f-aa96-1950d86b5bb6</entry>
<entry name='uuid'>7306a5a1-4148-4744-bd55-edb4fae0e98d</entry>
</system>
</sysinfo>
<os>
<type arch='x86_64' machine='rhel6.5.0'>hvm</type>
<boot dev='hd'/>
<smbios mode='sysinfo'/>
</os>
<features>
<acpi/>
<apic/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/libexec/qemu-kvm</emulator>
<disk type='block' device='disk'>
<driver name='qemu' type='raw' cache='none'/>
<source dev='/dev/disk/by-path/ip-192.168.122.100:3260-iscsi-iqn.2010-10.org.openstack:volume-a14f3b05-a476-46f6-a763-bb3cad621277-lun-1'/>
<target dev='vda' bus='virtio'/>
<serial>a14f3b05-a476-46f6-a763-bb3cad621277</serial>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
</disk>
<controller type='usb' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<interface type='bridge'>
<mac address='fa:16:3e:de:f7:ec'/>
<source bridge='qbr266c9054-1a'/>
<target dev='tap266c9054-1a'/>
<model type='virtio'/>
<driver name='qemu'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
<serial type='file'>
<source path='/var/lib/nova/instances/7306a5a1-4148-4744-bd55-edb4fae0e98d/console.log'/>
<target port='0'/>
</serial>
<serial type='pty'>
<target port='1'/>
</serial>
<console type='file'>
<source path='/var/lib/nova/instances/7306a5a1-4148-4744-bd55-edb4fae0e98d/console.log'/>
<target type='serial' port='0'/>
</console>
<input type='tablet' bus='usb'/>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='-1' autoport='yes' listen='192.168.122.100' keymap='en-us'>
<listen type='address' address='192.168.122.100'/>
</graphics>
<video>
<model type='cirrus' vram='9216' heads='1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
</memballoon>
</devices>
</domain>
View also RDO Havana Neutron Namespaces Troubleshooting for OVS&VLAN (GRE) Config http://bderzhavets.blogspot.com/2014/04/rdo-havana-neutron-namespaces.html
Getting routers and network ids for corresponding namespaces
[root@havana ~(keystone_admin)]# neutron router-list
+--------------------------------------+---------+-----------------------------------------------------------------------------+
| id | name | external_gateway_info |
+--------------------------------------+---------+-----------------------------------------------------------------------------+
| 6c0825b7-7cb1-4327-a97b-04a7837ceba4 | router2 | {"network_id": "7acdb5bb-f366-4a77-9eab-b232fcfc5b7e", "enable_snat": true} |
+--------------------------------------+---------+-----------------------------------------------------------------------------+
[root@havana ~(keystone_admin)]# ip netns | grep 6c0825b7-7cb1-4327-a97b-04a7837ceba4
qrouter-6c0825b7-7cb1-4327-a97b-04a7837ceba4
[root@havana ~(keystone_admin)]# neutron net-list
+--------------------------------------+----------+-------------------------------------------------------+
| id | name | subnets |
+--------------------------------------+----------+-------------------------------------------------------+
| 30f38c89-4d4f-4d1d-bdea-e1f252221a57 | private1 | 2e143cbd-d965-417b-b366-d58b75952e46 40.0.0.0/24 |
| 57b12ecb-bc00-4482-9653-d84c67c79e04 | private | a42fb194-3751-4f64-afcf-cddcfc5d6432 10.0.0.0/24 |
| 7acdb5bb-f366-4a77-9eab-b232fcfc5b7e | public | 9f2e36cb-47b7-427a-8948-1184f0c6507e 192.168.122.0/24 |
+--------------------------------------+----------+-------------------------------------------------------+
Neutron agents status verification
[root@havana ~(keystone_admin)]# neutron agent-list
+--------------------------------------+--------------------+--------------------+-------+----------------+
| id | agent_type | host | alive | admin_state_up |
+--------------------------------------+--------------------+--------------------+-------+----------------+
| 8a198929-b5d2-4e30-8f9c-ad6419e00349 | Open vSwitch agent | havana.localdomain | :-) | True |
| a82e3f96-2849-47d3-bf39-bf83f907cf92 | DHCP agent | havana.localdomain | :-) | True |
| f164778e-de98-4e51-9aeb-59568b30bca8 | L3 agent | havana.localdomain | :-) | True |
+--------------------------------------+--------------------+--------------------+-------+----------
[root@havana ~(keystone_admin)]# ip netns | grep 30f38c89-4d4f-4d1d-bdea-e1f252221a57
qdhcp-30f38c89-4d4f-4d1d-bdea-e1f252221a57
[root@havana ~(keystone_admin)]# ip netns | grep 57b12ecb-bc00-4482-9653-d84c67c79e04
qdhcp-57b12ecb-bc00-4482-9653-d84c67c79e04
Getting internal and external qrouter namespace interfaces names
[root@havana ~(keystone_admin)]# ip netns exec qrouter-6c0825b7-7cb1-4327-a97b-04a7837ceba4 ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
qg-876fd79e-d1 Link encap:Ethernet HWaddr FA:16:3E:27:DC:DF
inet addr:192.168.122.102 Bcast:192.168.122.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fe27:dcdf/64 Scope:Link
UP BROADCAST RUNNING MTU:1500 Metric:1
RX packets:14556 errors:0 dropped:0 overruns:0 frame:0
TX packets:3054 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:20754615 (19.7 MiB) TX bytes:290113 (283.3 KiB)
qr-b9f5e2fa-cb Link encap:Ethernet HWaddr FA:16:3E:CC:6A:11
inet addr:40.0.0.1 Bcast:40.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fecc:6a11/64 Scope:Link
UP BROADCAST RUNNING MTU:1500 Metric:1
RX packets:3033 errors:0 dropped:0 overruns:0 frame:0
TX packets:14550 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:290129 (283.3 KiB) TX bytes:20754691 (19.7 MiB)
Getting internal interfaces of qdhcp namespaces
[root@havana ~(keystone_admin)]# ip netns exec qdhcp-30f38c89-4d4f-4d1d-bdea-e1f252221a57 ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
tapd265d281-00 Link encap:Ethernet HWaddr FA:16:3E:57:C6:94
inet addr:40.0.0.11 Bcast:40.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fe57:c694/64 Scope:Link
UP BROADCAST RUNNING MTU:1500 Metric:1
RX packets:59 errors:0 dropped:0 overruns:0 frame:0
TX packets:53 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:8640 (8.4 KiB) TX bytes:8746 (8.5 KiB)
[root@havana ~(keystone_admin)]# ip netns exec qdhcp-57b12ecb-bc00-4482-9653-d84c67c79e04 ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
tap7e72dcf0-96 Link encap:Ethernet HWaddr FA:16:3E:6E:BF:64
inet addr:10.0.0.2 Bcast:10.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fe6e:bf64/64 Scope:Link
UP BROADCAST RUNNING MTU:1500 Metric:1
RX packets:9 errors:0 dropped:0 overruns:0 frame:0
TX packets:10 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:726 (726.0 b) TX bytes:796 (796.0 b)
[root@havana ~(keystone_admin)]# ovs-vsctl show
20611b75-2436-46a8-8016-21588b858a0c
Bridge br-ex
Port "eth0"
Interface "eth0"
Port "qg-876fd79e-d1"
Interface "qg-876fd79e-d1"
type: internal
Port br-ex
Interface br-ex
type: internal
Bridge br-int
Port "tap7e72dcf0-96"
tag: 2
Interface "tap7e72dcf0-96"
type: internal
Port "tapd265d281-00"
tag: 1
Interface "tapd265d281-00"
type: internal
Port "qr-b9f5e2fa-cb"
tag: 1
Interface "qr-b9f5e2fa-cb"
type: internal
Port "qvo266c9054-1a"
tag: 1
Interface "qvo266c9054-1a"
Port "qvob710d1a4-90"
tag: 1
Interface "qvob710d1a4-90"
Port br-int
Interface br-int
type: internal
ovs_version: "1.11.0
****************************
Veth pairs verification
****************************
[root@havana ~(keystone_admin)]# brctl show
bridge name bridge id STP enabled interfaces
qbr266c9054-1a 8000.cac48b4d0dcd no qvb266c9054-1a
qbrb710d1a4-90 8000.666011280442 no qvbb710d1a4-90
[root@havana ~(keystone_admin)]# ovs-vsctl show | grep 266c9054-1a
Port "qvo266c9054-1a"
Interface "qvo266c9054-1a"
[root@havana ~(keystone_admin)]# ovs-vsctl show | grep 710d1a4-90
Port "qvob710d1a4-90"
Interface "qvob710d1a4-90"
The qvo prefix stands for neutron veth Open vSwitch side and the qvb prefix stands for neutron veth linux bridge side . Details here :- http://openstack.redhat.com/PackStack_All-in-One_DIY_Configuration
*************************************************
Getting routers DNAT&SNAT forwarding rools
*************************************************
[root@havana ~(keystone_admin)]# ip netns exec qrouter-6c0825b7-7cb1-4327-a97b-04a7837ceba4 iptables -S -t nat
-P PREROUTING ACCEPT
-P POSTROUTING ACCEPT
-P OUTPUT ACCEPT
-N neutron-l3-agent-OUTPUT
-N neutron-l3-agent-POSTROUTING
-N neutron-l3-agent-PREROUTING
-N neutron-l3-agent-float-snat
-N neutron-l3-agent-snat
-N neutron-postrouting-bottom
-A PREROUTING -j neutron-l3-agent-PREROUTING
-A POSTROUTING -j neutron-l3-agent-POSTROUTING
-A POSTROUTING -j neutron-postrouting-bottom
-A OUTPUT -j neutron-l3-agent-OUTPUT
-A neutron-l3-agent-OUTPUT -d 192.168.122.105/32 -j DNAT --to-destination 40.0.0.12
-A neutron-l3-agent-OUTPUT -d 192.168.122.103/32 -j DNAT --to-destination 40.0.0.10
-A neutron-l3-agent-POSTROUTING ! -i qg-876fd79e-d1 ! -o qg-876fd79e-d1 -m conntrack ! --ctstate DNAT -j ACCEPT
-A neutron-l3-agent-PREROUTING -d 169.254.169.254/32 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 9697
-A neutron-l3-agent-PREROUTING -d 192.168.122.105/32 -j DNAT --to-destination 40.0.0.12
-A neutron-l3-agent-PREROUTING -d 192.168.122.103/32 -j DNAT --to-destination 40.0.0.10
-A neutron-l3-agent-float-snat -s 40.0.0.12/32 -j SNAT --to-source 192.168.122.105
-A neutron-l3-agent-float-snat -s 40.0.0.10/32 -j SNAT --to-source 192.168.122.103
-A neutron-l3-agent-snat -j neutron-l3-agent-float-snat
-A neutron-l3-agent-snat -s 40.0.0.0/24 -j SNAT --to-source 192.168.122.102
-A neutron-postrouting-bottom -j neutron-l3-agent-snat
********************************************************************************
Pinging running VM from host and capturing packages via tcpdump on internal external interfaces of qrouter namespace
********************************************************************************
[root@havana ~]# ip netns exec qrouter-6c0825b7-7cb1-4327-a97b-04a7837ceba4 tcpdump -ln -i qg-876fd79e-d1
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on qg-876fd79e-d1, link-type EN10MB (Ethernet), capture size 65535 bytes
17:47:27.402753 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 12, length 64
17:47:27.403643 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 12, length 64
17:47:28.404095 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 13, length 64
17:47:28.405191 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 13, length 64
17:47:29.405633 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 14, length 64
17:47:29.406348 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 14, length 64
17:47:30.406741 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 15, length 64
17:47:30.407517 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 15, length 64
17:47:31.407896 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 16, length 64
17:47:31.408567 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 16, length 64
17:47:32.408970 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 17, length 64
17:47:32.409735 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 17, length 64
17:47:33.410087 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 18, length 64
17:47:33.410886 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 18, length 64
17:47:34.411608 IP 192.168.122.100 > 192.168.122.105: ICMP echo request, id 33844, seq 19, length 64
17:47:34.412400 IP 192.168.122.105 > 192.168.122.100: ICMP echo reply, id 33844, seq 19, length 64
[root@havana ~]# ip netns exec qrouter-6c0825b7-7cb1-4327-a97b-04a7837ceba4 tcpdump -ln -i qr-b9f5e2fa-cb
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on qr-b9f5e2fa-cb, link-type EN10MB (Ethernet), capture size 65535 bytes
17:47:34.411634 IP 192.168.122.100 > 40.0.0.12: ICMP echo request, id 33844, seq 19, length 64
17:47:34.412344 IP 40.0.0.12 > 192.168.122.100: ICMP echo reply, id 33844, seq 19, length 64
17:47:35.412857 IP 192.168.122.100 > 40.0.0.12: ICMP echo request, id 33844, seq 20, length 64
17:47:35.413579 IP 40.0.0.12 > 192.168.122.100: ICMP echo reply, id 33844, seq 20, length 64
17:47:36.414018 IP 192.168.122.100 > 40.0.0.12: ICMP echo request, id 33844, seq 21, length 64
17:47:36.414782 IP 40.0.0.12 > 192.168.122.100: ICMP echo reply, id 33844, seq 21, length 64
17:47:37.415336 IP 192.168.122.100 > 40.0.0.12: ICMP echo request, id 33844, seq 22, length 64
17:47:37.421958 IP 40.0.0.12 > 192.168.122.100: ICMP echo reply, id 33844, seq 22, length 64
17:47:38.417196 IP 192.168.122.100 > 40.0.0.12: ICMP echo request, id 33844, seq 23, length 64
17:47:38.417931 IP 40.0.0.12 > 192.168.122.100: ICMP echo reply, id 33844, seq 23, length 64
17:47:39.418426 IP 192.168.122.100 > 40.0.0.12: ICMP echo request, id 33844, seq 24, length 64
17:47:39.419180 IP 40.0.0.12 > 192.168.122.100: ICMP echo reply, id 33844, seq 24, length 64
17:47:40.418793 IP 192.168.122.100 > 40.0.0.12: ICMP echo request, id 33844, seq 25, length 64
17:47:40.419562 IP 40.0.0.12 > 192.168.122.100: ICMP echo reply, id 33844, seq 25, length 64
Troubleshooting DHCP inside private network (VM is running and is requesting
dhcp-lease on regular basis)
[root@havana ~(keystone_admin)]# neutron net-list
+--------------------------------------+----------+-------------------------------------------------------+
| id | name | subnets |
+--------------------------------------+----------+-------------------------------------------------------+
| 30f38c89-4d4f-4d1d-bdea-e1f252221a57 | private1 | 2e143cbd-d965-417b-b366-d58b75952e46 40.0.0.0/24 |
| 57b12ecb-bc00-4482-9653-d84c67c79e04 | private | a42fb194-3751-4f64-afcf-cddcfc5d6432 10.0.0.0/24 |
| 7acdb5bb-f366-4a77-9eab-b232fcfc5b7e | public | 9f2e36cb-47b7-427a-8948-1184f0c6507e 192.168.122.0/24 |
+--------------------------------------+----------+-------------------------------------------------------+
[root@havana ~(keystone_admin)]# ip netns | grep 30f38c89-4d4f-4d1d-bdea-e1f252221a57
qdhcp-30f38c89-4d4f-4d1d-bdea-e1f252221a57
[root@havana ~(keystone_admin)]# ip netns exec qdhcp-30f38c89-4d4f-4d1d-bdea-e1f252221a57 ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
tapd265d281-00 Link encap:Ethernet HWaddr FA:16:3E:57:C6:94
inet addr:40.0.0.11 Bcast:40.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fe57:c694/64 Scope:Link
UP BROADCAST RUNNING MTU:1500 Metric:1
RX packets:22 errors:0 dropped:0 overruns:0 frame:0
TX packets:15 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2486 (2.4 KiB) TX bytes:2214 (2.1 KiB)
[root@havana ~(keystone_admin)]# ip netns exec qdhcp-30f38c89-4d4f-4d1d-bdea-e1f252221a57 tcpdump -ln -i tapd265d281-00
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on tapd265d281-00, link-type EN10MB (Ethernet), capture size 65535 bytes
10:12:56.093405 IP 40.0.0.12.bootpc > 40.0.0.11.bootps: BOOTP/DHCP, Request from fa:16:3e:de:f7:ec, length 300
10:12:56.093614 IP 40.0.0.11.bootps > 40.0.0.12.bootpc: BOOTP/DHCP, Reply, length 324
10:13:01.092868 ARP, Request who-has 40.0.0.12 tell 40.0.0.11, length 28
10:13:01.093960 ARP, Reply 40.0.0.12 is-at fa:16:3e:de:f7:ec, length 28
10:13:49.834522 IP 40.0.0.12.bootpc > 40.0.0.11.bootps: BOOTP/DHCP, Request from fa:16:3e:de:f7:ec, length 300
10:13:49.837596 IP 40.0.0.11.bootps > 40.0.0.12.bootpc: BOOTP/DHCP, Reply, length 324
10:13:54.836873 ARP, Request who-has 40.0.0.12 tell 40.0.0.11, length 28
10:13:54.838265 ARP, Reply 40.0.0.12 is-at fa:16:3e:de:f7:ec, length 28
10:14:43.800255 IP 40.0.0.12.bootpc > 40.0.0.11.bootps: BOOTP/DHCP, Request from fa:16:3e:de:f7:ec, length 300
10:14:43.809635 IP 40.0.0.11.bootps > 40.0.0.12.bootpc: BOOTP/DHCP, Reply, length 324
10:14:48.807599 ARP, Request who-has 40.0.0.11 tell 40.0.0.12, length 28
10:14:48.807631 ARP, Reply 40.0.0.11 is-at fa:16:3e:57:c6:94, length 28
10:15:26.138172 IP 40.0.0.12.bootpc > 40.0.0.11.bootps: BOOTP/DHCP, Request from fa:16:3e:de:f7:ec, length 300
10:15:26.140720 IP 40.0.0.11.bootps > 40.0.0.12.bootpc: BOOTP/DHCP, Reply, length 324
10:15:31.140869 ARP, Request who-has 40.0.0.12 tell 40.0.0.11, length 28
10:15:31.142128 ARP, Reply 40.0.0.12 is-at fa:16:3e:de:f7:ec, length 28
********************************************************************
List of /etc/libvirt/qemu XML definitions of VMs running in the cloud
to compare with `brctl show` output
********************************************************************
[root@havana ~(keystone_admin)]# cd /etc/libvirt/qemu
[root@havana qemu(keystone_admin)]# ls -l
total 12
-rw-------. 1 root root 2889 Apr 12 17:58 instance-00000001.xml
-rw-------. 1 root root 3007 Apr 28 17:23 instance-00000003.xml
drwx------. 3 root root 4096 Apr 12 15:26 networks
[root@havana qemu(keystone_admin)]# cat instance-00000001.xml
<!--
WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
virsh edit instance-00000001
or other application using the libvirt API.
-->
<domain type='qemu'>
<name>instance-00000001</name>
<uuid>00a43ef7-a3a7-47fe-942a-fcbef48d5fe2</uuid>
<memory unit='KiB'>524288</memory>
<currentMemory unit='KiB'>524288</currentMemory>
<vcpu placement='static'>1</vcpu>
<sysinfo type='smbios'>
<system>
<entry name='manufacturer'>Red Hat Inc.</entry>
<entry name='product'>OpenStack Nova</entry>
<entry name='version'>2013.2.2-1.el6</entry>
<entry name='serial'>d9e7bce0-ee66-4c7f-aa96-1950d86b5bb6</entry>
<entry name='uuid'>00a43ef7-a3a7-47fe-942a-fcbef48d5fe2</entry>
</system>
</sysinfo>
<os>
<type arch='x86_64' machine='rhel6.5.0'>hvm</type>
<boot dev='hd'/>
<smbios mode='sysinfo'/>
</os>
<features>
<acpi/>
<apic/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/libexec/qemu-kvm</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2' cache='none'/>
<source file='/var/lib/nova/instances/00a43ef7-a3a7-47fe-942a-fcbef48d5fe2/disk'/>
<target dev='vda' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
</disk>
<controller type='usb' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<interface type='bridge'>
<mac address='fa:16:3e:1f:2e:ab'/>
<source bridge='qbrb710d1a4-90'/>
<target dev='tapb710d1a4-90'/>
<model type='virtio'/>
<driver name='qemu'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
<serial type='file'>
<source path='/var/lib/nova/instances/00a43ef7-a3a7-47fe-942a-fcbef48d5fe2/console.log'/>
<target port='0'/>
</serial>
<serial type='pty'>
<target port='1'/>
</serial>
<console type='file'>
<source path='/var/lib/nova/instances/00a43ef7-a3a7-47fe-942a-fcbef48d5fe2/console.log'/>
<target type='serial' port='0'/>
</console>
<input type='tablet' bus='usb'/>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='-1' autoport='yes' listen='192.168.122.100' keymap='en-us'>
<listen type='address' address='192.168.122.100'/>
</graphics>
<video>
<model type='cirrus' vram='9216' heads='1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
</memballoon>
</devices>
</domain>
[root@havana qemu(keystone_admin)]# cat instance-00000003.xml
<!--
WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
virsh edit instance-00000003
or other application using the libvirt API.
-->
<domain type='qemu'>
<name>instance-00000003</name>
<uuid>7306a5a1-4148-4744-bd55-edb4fae0e98d</uuid>
<memory unit='KiB'>2097152</memory>
<currentMemory unit='KiB'>2097152</currentMemory>
<vcpu placement='static'>1</vcpu>
<sysinfo type='smbios'>
<system>
<entry name='manufacturer'>Red Hat Inc.</entry>
<entry name='product'>OpenStack Nova</entry>
<entry name='version'>2013.2.2-1.el6</entry>
<entry name='serial'>d9e7bce0-ee66-4c7f-aa96-1950d86b5bb6</entry>
<entry name='uuid'>7306a5a1-4148-4744-bd55-edb4fae0e98d</entry>
</system>
</sysinfo>
<os>
<type arch='x86_64' machine='rhel6.5.0'>hvm</type>
<boot dev='hd'/>
<smbios mode='sysinfo'/>
</os>
<features>
<acpi/>
<apic/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/libexec/qemu-kvm</emulator>
<disk type='block' device='disk'>
<driver name='qemu' type='raw' cache='none'/>
<source dev='/dev/disk/by-path/ip-192.168.122.100:3260-iscsi-iqn.2010-10.org.openstack:volume-a14f3b05-a476-46f6-a763-bb3cad621277-lun-1'/>
<target dev='vda' bus='virtio'/>
<serial>a14f3b05-a476-46f6-a763-bb3cad621277</serial>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
</disk>
<controller type='usb' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<interface type='bridge'>
<mac address='fa:16:3e:de:f7:ec'/>
<source bridge='qbr266c9054-1a'/>
<target dev='tap266c9054-1a'/>
<model type='virtio'/>
<driver name='qemu'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
<serial type='file'>
<source path='/var/lib/nova/instances/7306a5a1-4148-4744-bd55-edb4fae0e98d/console.log'/>
<target port='0'/>
</serial>
<serial type='pty'>
<target port='1'/>
</serial>
<console type='file'>
<source path='/var/lib/nova/instances/7306a5a1-4148-4744-bd55-edb4fae0e98d/console.log'/>
<target type='serial' port='0'/>
</console>
<input type='tablet' bus='usb'/>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='-1' autoport='yes' listen='192.168.122.100' keymap='en-us'>
<listen type='address' address='192.168.122.100'/>
</graphics>
<video>
<model type='cirrus' vram='9216' heads='1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
</memballoon>
</devices>
</domain>
