Set up VM to connect Tripleo QuickStart Overcloud via Virt-manager GUI

May 29, 2016

Set up Gnome Desktop && VirtTools on Virtualization Server (VIRTHOST) and make remote connection to Virt-manager running on VIRTHOST (192.168.1.75). Then create VM via virt-manager as follows using standard CentOS 7.2 ISO image , I am aware of post “Connecting another vm to your tripleo-quickstart deployment”  at oddbits.com :-
http://blog.oddbit.com/2016/05/19/connecting-another-vm-to-your-tripleo-qu/
and manage this way deliberately. Just wondering is it possible to get results similar to obtained by LarsKS ( via in depth knowledge virsh CLI and Libvirt features) with Virt-manager GUI intuitively much more affordable. I realize that speed and flexibility of approach suggested bellow are losing the aforementioned

Proceed with VM set up via Virt-manager remote GUI. Attaching “external” and “overcloud” networks to VM and assign static IPs to eth0 and eth1 which belong to corresponding networks.

[root@ServerCentOS72 ~]# virsh net-list

Name State Autostart Persistent
———————————————————-
default active yes yes
external active yes yes
overcloud active yes yes

Looks good , start install

Installation completed.  Following step verfication availabilty connect to
overcloud on VIRTHOST. Check static IPs on Remote Console and connect
to dashboard of Controller

Now connect to VMs running in overcloud

Switching eth1 to DHCP mode on RemoteConsole (following post at oddbits.com)

[root@ServerCentOS72 ~]# virsh dumpxml RemoteConsole | xmllint –xpath ‘//interface‘ –
<interface type=”network”>
<mac address=”52:54:00:dd:c6:9d”/>
<source network=”overcloud” bridge=”brovc”/>
<target dev=”vnet1″/>
<model type=”virtio”/>
<alias name=”net1″/>
<address type=”pci” domain=”0x0000″ bus=”0x00″ slot=”0x04″ function=”0x0″/>

Creating port on ctlplane ( undercloud VM )

On RemoteConsole switch eth1 to DHCP mode via NetworkManager GUI

We are all set

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Posted by dbaxps

RDO Triple0 QuickStart && First impressions

May 27, 2016

I believe the post bellow will bring some more light on TripleO QuickStart
procedure suggested on RDO QuickStart page ( size of memory 32 GB is a must. During minimal configuration runtime 23 GB of RAM are required ). Following tips from Deploying OpenStack on just one hosted server

Overcloud deployed .

************************************************************************
First of all taking  look at routing tables  on undercloud VM
************************************************************************

[root@undercloud ~]# ifconfig

br-ctlplane: flags=4163  mtu 1500
inet 192.0.2.1  netmask 255.255.255.0  broadcast 192.0.2.255
inet6 fe80::285:8cff:feee:4c12  prefixlen 64  scopeid 0x20
ether 00:85:8c:ee:4c:12  txqueuelen 0  (Ethernet)
RX packets 5458173  bytes 430801023 (410.8 MiB)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 8562456  bytes 31493865046 (29.3 GiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

eth0: flags=4163  mtu 1500
inet 192.168.23.28  netmask 255.255.255.0  broadcast 192.168.23.255
inet6 fe80::285:8cff:feee:4c10  prefixlen 64  scopeid 0x20
ether 00:85:8c:ee:4c:10  txqueuelen 1000  (Ethernet)
RX packets 4550861  bytes 7090076105 (6.6 GiB)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 1597556  bytes 760511620 (725.2 MiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

eth1: flags=4163  mtu 1500
inet6 fe80::285:8cff:feee:4c12  prefixlen 64  scopeid 0x20
ether 00:85:8c:ee:4c:12  txqueuelen 1000  (Ethernet)
RX packets 5459780  bytes 430920997 (410.9 MiB)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 8564443  bytes 31494029129 (29.3 GiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73  mtu 65536
inet 127.0.0.1  netmask 255.0.0.0
inet6 ::1  prefixlen 128  scopeid 0x10
loop  txqueuelen 0  (Local Loopback)
RX packets 4361647  bytes 24858373851 (23.1 GiB)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 4361647  bytes 24858373851 (23.1 GiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

virbr0: flags=4099  mtu 1500
inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255
ether 52:54:00:39:0a:ae  txqueuelen 0  (Ethernet)
RX packets 0  bytes 0 (0.0 B)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 0  bytes 0 (0.0 B)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

vlan10: flags=4163  mtu 1500
inet 10.0.0.1  netmask 255.255.255.0  broadcast 10.0.0.255
inet6 fe80::804e:69ff:fe19:844b  prefixlen 64  scopeid 0x20
ether 82:4e:69:19:84:4b  txqueuelen 0  (Ethernet)
RX packets 0  bytes 0 (0.0 B)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 12  bytes 816 (816.0 B)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

[root@undercloud ~]# ip route
default via 192.168.23.1 dev eth0
10.0.0.0/24 dev vlan10  proto kernel  scope link  src 10.0.0.1
192.0.2.0/24 dev br-ctlplane  proto kernel  scope link  src 192.0.2.1
192.168.23.0/24 dev eth0  proto kernel  scope link  src 192.168.23.28
192.168.122.0/24 dev virbr0  proto kernel  scope link  src 192.168.122.1

[root@undercloud ~]# ovs-vsctl show
83b044ee-44ac-4575-88b3-4951a6e9847f
Bridge br-int
fail_mode: secure
Port “tapb3ad6627-29”
tag: 1
Interface “tapb3ad6627-29”
type: internal
Port int-br-ctlplane
Interface int-br-ctlplane
type: patch
options: {peer=phy-br-ctlplane}
Port br-int
Interface br-int
type: internal
Bridge br-ctlplane
Port “vlan10”
tag: 10
Interface “vlan10”
type: internal
Port phy-br-ctlplane
Interface phy-br-ctlplane
type: patch
options: {peer=int-br-ctlplane}
Port “eth1”
Interface “eth1”
Port br-ctlplane
Interface br-ctlplane
type: internal
ovs_version: “2.5.0”

*********************************************************
Here are admin credentials for overcloud controller
*********************************************************

[stack@undercloud ~]$ cat overcloudrc
export OS_NO_CACHE=True
export OS_CLOUDNAME=overcloud
export OS_AUTH_URL=http://192.0.2.10:5000/v2.0
export NOVA_VERSION=1.1
export COMPUTE_API_VERSION=1.1
export OS_USERNAME=admin
export no_proxy=,192.0.2.10,192.0.2.10
export OS_PASSWORD=pWyQpHsaXAWskcmYEq2ja4WaU
export PYTHONWARNINGS=”ignore:Certificate has no, ignore:A true SSLContext object is not available”
export OS_TENANT_NAME=admin

*******************************
At the same time on VIRTHOST
*******************************

[root@ServerCentOS72 ~]# virsh net-list

Name                 State      Autostart     Persistent
———————————————————-
default              active     yes           yes
external             active     yes           yes
overcloud            active     yes           yes

[root@ServerCentOS72 ~]#  virsh net-dunpxml external

<network>
<name>external</name>
<uuid>d585615b-c1c5-4e30-bf2d-ea247591c2b0</uuid>
<forward mode=’nat’>
<nat>
<port start=’1024′ end=’65535’/>
</nat>
</forward>
<bridge name=’brext’ stp=’off’ delay=’0’/>
<mac address=’52:54:00:9d:b4:1d’/>
<ip address=’192.168.23.1′ netmask=’255.255.255.0′>
<dhcp>
<range start=’192.168.23.10′ end=’192.168.23.50’/>
</dhcp>
</ip>
</network>

[root@ServerCentOS72 ~]# su – stack

Last login: Thu May 26 18:01:31 MSK 2016 on :0

[stack@ServerCentOS72 ~]$ virsh list
Id    Name                           State

—————————————————-
2     undercloud                     running
11    compute_0                      running
12    control_0                      running

*************************************************************************
Source stackrc and run openstack-status on undercloud
Overcloud deployment is already done on undercloud VM
*************************************************************************

[root@undercloud ~]# . stackrc
[root@undercloud ~]# openstack-status

== Nova services ==

openstack-nova-api:                     active
openstack-nova-compute:                 active
openstack-nova-network:                 inactive  (disabled on boot)
openstack-nova-scheduler:               active
openstack-nova-cert:                    active
openstack-nova-conductor:               active
openstack-nova-console:                 inactive  (disabled on boot)
openstack-nova-consoleauth:             inactive  (disabled on boot)
openstack-nova-xvpvncproxy:             inactive  (disabled on boot)

== Glance services ==

openstack-glance-api:                   active
openstack-glance-registry:              active
== Keystone service ==

openstack-keystone:                     inactive  (disabled on boot)

== Horizon service ==
openstack-dashboard:                    404
== neutron services ==

neutron-server:                         active
neutron-dhcp-agent:                     active
neutron-l3-agent:                       inactive  (disabled on boot)
neutron-metadata-agent:                 inactive  (disabled on boot)
neutron-lbaas-agent:                    inactive  (disabled on boot)
neutron-openvswitch-agent:              active
neutron-metering-agent:                 inactive  (disabled on boot)

== Swift services ==

openstack-swift-proxy:                  active
openstack-swift-account:                active
openstack-swift-container:              active
openstack-swift-object:                 active

== Cinder services ==

openstack-cinder-api:                   inactive  (disabled on boot)
openstack-cinder-scheduler:             inactive  (disabled on boot)
openstack-cinder-volume:                inactive  (disabled on boot)
openstack-cinder-backup:                inactive  (disabled on boot)

== Ceilometer services ==

openstack-ceilometer-api:               active
openstack-ceilometer-central:           active
openstack-ceilometer-compute:           inactive  (disabled on boot)
openstack-ceilometer-collector:         active
openstack-ceilometer-notification:      active

== Heat services ==
openstack-heat-api:                     active
openstack-heat-api-cfn:                 active
openstack-heat-api-cloudwatch:          inactive  (disabled on boot)
openstack-heat-engine:                  active

== Sahara services ==

openstack-sahara-all:                   inactive  (disabled on boot)

== Ironic services ==

openstack-ironic-api:                   active
openstack-ironic-conductor:             active

== Support services ==

mysqld:                                 inactive  (disabled on boot)
libvirtd:                               active
openvswitch:                            active
dbus:                                   active
rabbitmq-server:                        active
memcached:                              active

====Keystone users ======

+———————————-+——————+———+———————————–+

|                id                |       name       | enabled |               email               |

+———————————-+——————+———+———————————–+
| c1668084d057422ab21c9180424b3e4a |      admin       |   True  |           root@localhost          |
| db938fe459c94cd09fe227a118f8be0f |       aodh       |   True  |           aodh@localhost          |
| 001a56a0872048a592db95dc9885292d |    ceilometer    |   True  |        ceilometer@localhost       |
| e038f5b685b84e6aa601b37312d84a56 |      glance      |   True  |          glance@localhost         |
| d7ddbfd73b814c13926c1ecd5ebe1bb2 |       heat       |   True  |           heat@localhost          |
| dc784308498d40568b649fbf12eaeb51 |      ironic      |   True  |          ironic@localhost         |
| 0c1f829c533240cdbec944236048ee1a | ironic-inspector |   True  | baremetal-introspection@localhost |
| ddbcb1dd885845c698f8d65f6f9ff44f |     neutron      |   True  |         neutron@localhost         |
| 987bd356963e4a5cbf2bd50c50919f9b |       nova       |   True  |           nova@localhost          |
| a5c862796ef24615afc2881e1a59f9d5 |      swift       |   True  |          swift@localhost          |
+———————————-+——————+———+———————————–+

== Glance images ==

+————————————–+————————+————-+——————+————+——–+

| ID                                   | Name                   | Disk Format | Container Format | Size       | Status |

+————————————–+————————+————-+——————+————+——–+
| c734ff64-7723-43ee-a5d2-d662e1e206eb | bm-deploy-kernel       | aki         | aki              | 5157360    | active |
| f80e32c4-cfce-4dcc-993a-939800440fbf | bm-deploy-ramdisk      | ari         | ari              | 380554146  | active |
| 8616adc8-7136-4536-8562-5ed9cf129ed2 | overcloud-full         | qcow2       | bare             | 1175351296 | active |
| 73f5bfc7-99c2-46dc-8507-e5978ec61b84 | overcloud-full-initrd  | ari         | ari              | 36444678   | active |
| 0d30aa5d-869c-4716-bdd4-87685e4790ca | overcloud-full-vmlinuz | aki         | aki              | 5157360    | active |
+————————————–+————————+————-+——————+————+——–+

== Nova managed services ==

+—-+—————-+————+———-+———+——-+—————————-+—————–+

| Id | Binary         | Host       | Zone     | Status  | State | Updated_at                 | Disabled Reason |

+—-+—————-+————+———-+———+——-+—————————-+—————–+
| 1  | nova-cert      | undercloud | internal | enabled | up    | 2016-05-26T18:41:57.000000 | –               |
| 7  | nova-scheduler | undercloud | internal | enabled | up    | 2016-05-26T18:41:55.000000 | –               |
| 8  | nova-conductor | undercloud | internal | enabled | up    | 2016-05-26T18:41:56.000000 | –               |
| 10 | nova-compute   | undercloud | nova     | enabled | up    | 2016-05-26T18:41:54.000000 | –               |
+—-+—————-+————+———-+———+——-+—————————-+—————–+

== Nova networks ==
+————————————–+———-+——+
| ID                                   | Label    | Cidr |
+————————————–+———-+——+
| c27b8d62-f838-4c7e-8828-64ae1503f4c4 | ctlplane | –    |
+————————————–+———-+——+

== Nova instance flavors ==

+————————————–+—————+———–+——+———–+——+——-+————-+———–+

| ID                                   | Name          | Memory_MB | Disk | Ephemeral | Swap | VCPUs | RXTX_Factor | Is_Public |

+————————————–+—————+———–+——+———–+——+——-+————-+———–+
| 1320d766-7051-4639-9554-a42e7c7fd958 | control       | 4096      | 40   | 0         |      | 1     | 1.0         | True      |
| 1b0ad845-6273-437f-8573-e4922a256ec7 | block-storage | 4096      | 40   | 0         |      | 1     | 1.0         | True      |
| 27a0e9ee-c909-4d7d-8e86-1eb2e61fb1cb | oooq_control  | 8192      | 49   | 0         |      | 1     | 1.0         | True      |
| 40057aa6-5e8b-4d4b-85d4-f21418d01b5d | baremetal     | 4096      | 40   | 0         |      | 1     | 1.0         | True      |
| 5750def3-dc08-43dd-b194-02d4ea73b8d7 | compute       | 4096      | 40   | 0         |      | 1     | 1.0         | True      |
| 769969da-f429-4f5f-84c9-6456f39539f8 | ceph-storage  | 4096      | 40   | 0         |      | 1     | 1.0         | True      |
| 9c1622bc-ee0f-4dfa-a988-1e89cad47015 | oooq_compute  | 8192      | 49   | 0         |      | 1     | 1.0         | True      |
| a2e5a055-3334-4080-86f9-4887931aee22 | swift-storage | 4096      | 40   | 0         |      | 1     | 1.0         | True      |
| b05b3c15-7928-4f59-9f8d-7d3947e19bee | oooq_ceph     | 8192      | 49   | 0         |      | 1     | 1.0         | True      |
+————————————–+—————+———–+——+———–+——+——-+————-+———–+

== Nova instances ==

+————————————–+————————-+———————————-+——–+————+————-+———————+
| ID                                   | Name                    | Tenant ID                        | Status | Task State | Power State | Networks            |
+————————————–+————————-+———————————-+——–+————+————-+———————+
| 88f841ac-1ca0-4339-ba8a-c2895c0dc57c | overcloud-controller-0  | ccf0e5fdbebb4335ad7875ec821af91d | ACTIVE | –          | Running     | ctlplane=192.0.2.13 |
| f12a1086-7e23-4acb-80a7-8b2efe1e4ef2 | overcloud-novacompute-0 | ccf0e5fdbebb4335ad7875ec821af91d | ACTIVE | –          | Running     | ctlplane=192.0.2.12 |
+————————————–+————————-+———————————-+——–+————+————-+———————+

******************************************************
Neutron reports on undercloud VM
******************************************************

[root@undercloud ~]# neutron net-list

+————————————–+———-+——————————————+
| id                                   | name     | subnets                                  |
+————————————–+———-+——————————————+
| c27b8d62-f838-4c7e-8828-64ae1503f4c4 | ctlplane | 631022c3-cfc5-4353-b038-1592cceea57e     |
|                                      |          | 192.0.2.0/24                             |
+————————————–+———-+——————————————+

[root@undercloud ~]# neutron net-show ctlplane

+—————————+————————————–+
| Field                     | Value                                |
+—————————+————————————–+
| admin_state_up            | True                                 |
| availability_zone_hints   |                                      |
| availability_zones        | nova                                 |
| created_at                | 2016-05-26T11:32:18                  |
| description               |                                      |
| id                        | c27b8d62-f838-4c7e-8828-64ae1503f4c4 |
| ipv4_address_scope        |                                      |
| ipv6_address_scope        |                                      |
| mtu                       | 1500                                 |
| name                      | ctlplane                             |
| provider:network_type     | flat                                 |
| provider:physical_network | ctlplane                             |
| provider:segmentation_id  |                                      |
| router:external           | False                                |
| shared                    | False                                |
| status                    | ACTIVE                               |
| subnets                   | 631022c3-cfc5-4353-b038-1592cceea57e |
| tags                      |                                      |
| tenant_id                 | ccf0e5fdbebb4335ad7875ec821af91d     |
| updated_at                | 2016-05-26T11:32:18                  |
+—————————+————————————–+

[root@undercloud ~]# neutron subnet-list

+————————————+——+————–+————————————+
| id                                 | name | cidr         | allocation_pools                   |
+————————————+——+————–+————————————+
| 631022c3-cfc5-4353-b038-1592cceea5 |      | 192.0.2.0/24 | {“start”: “192.0.2.5”, “end”:      |
| 7e                                 |      |              | “192.0.2.30”}                      |
+————————————+——+————–+————————————+

[root@undercloud ~]# neutron subnet-show 631022c3-cfc5-4353-b038-1592cceea57e

+——————-+—————————————————————+
| Field             | Value                                                         |
+——————-+—————————————————————+
| allocation_pools  | {“start”: “192.0.2.5”, “end”: “192.0.2.30”}                   |
| cidr              | 192.0.2.0/24                                                  |
| created_at        | 2016-05-26T11:32:18                                           |
| description       |                                                               |
| dns_nameservers   |                                                               |
| enable_dhcp       | True                                                          |
| gateway_ip        | 192.0.2.1                                                     |
| host_routes       | {“destination”: “169.254.169.254/32”, “nexthop”: “192.0.2.1”} |
| id                | 631022c3-cfc5-4353-b038-1592cceea57e                          |
| ip_version        | 4                                                             |
| ipv6_address_mode |                                                               |
| ipv6_ra_mode      |                                                               |
| name              |                                                               |
| network_id        | c27b8d62-f838-4c7e-8828-64ae1503f4c4                          |
| subnetpool_id     |                                                               |
| tenant_id         | ccf0e5fdbebb4335ad7875ec821af91d                              |
| updated_at        | 2016-05-26T11:32:18                                           |
+——————-+—————————————————————+

**********************************************
When overcloud deployment is done
**********************************************

[stack@undercloud ~]$ heat stack-list

+————————————–+————+—————–+———————+————–+

| id                                   | stack_name | stack_status    | creation_time       | updated_time |

+————————————–+————+—————–+———————+————–+
| 7002392b-cd2d-439f-b3cd-024979f153a5 | overcloud  | CREATE_COMPLETE | 2016-05-26T13:35:17 | None         |
+————————————–+————+—————–+———————+————–+

[stack@undercloud ~]$ nova list

+————————————–+————————-+——–+————+————-+———————+
| ID                                   | Name                    | Status | Task State | Power State | Networks            |
+————————————–+————————-+——–+————+————-+———————+
| 88f841ac-1ca0-4339-ba8a-c2895c0dc57c | overcloud-controller-0  | ACTIVE | –          | Running     | ctlplane=192.0.2.13 |
| f12a1086-7e23-4acb-80a7-8b2efe1e4ef2 | overcloud-novacompute-0 | ACTIVE | –          | Running     | ctlplane=192.0.2.12 |
+————————————–+————————-+——–+————+————-+———————+

*******************************************
Log into overcloud controller
*******************************************

[stack@undercloud ~]$ ssh heat-admin@192.0.2.13
Last login: Thu May 26 16:52:28 2016 from gateway
[heat-admin@overcloud-controller-0 ~]$ sudo su –
Last login: Thu May 26 15:42:23 UTC 2016 on pts/0

[root@overcloud-controller-0 ~]# ls
keystonerc_admin  oskey01.pem
[root@overcloud-controller-0 ~]# . keystonerc_admin

[root@overcloud-controller-0 ~]# ifconfig

br-ex: flags=4163  mtu 1500
inet 192.0.2.13  netmask 255.255.255.0  broadcast 192.0.2.255
inet6 fe80::2f7:7fff:fe1a:ca59  prefixlen 64  scopeid 0x20
ether 00:f7:7f:1a:ca:59  txqueuelen 0  (Ethernet)
RX packets 689651  bytes 1362839189 (1.2 GiB)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 2346450  bytes 3243444405 (3.0 GiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

eth0: flags=4163  mtu 1500
inet6 fe80::2f7:7fff:fe1a:ca59  prefixlen 64  scopeid 0x20
ether 00:f7:7f:1a:ca:59  txqueuelen 1000  (Ethernet)
RX packets 2783352  bytes 4201989574 (3.9 GiB)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 2876264  bytes 3280863833 (3.0 GiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73  mtu 65536
inet 127.0.0.1  netmask 255.0.0.0
inet6 ::1  prefixlen 128  scopeid 0x10
loop  txqueuelen 0  (Local Loopback)
RX packets 2962545  bytes 8418607495 (7.8 GiB)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 2962545  bytes 8418607495 (7.8 GiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

[root@overcloud-controller-0 ~]# ovs-vsctl show
cc8be4fb-f96f-4679-b85d-d0afc7dd7f72
Bridge br-int
fail_mode: secure
Port “tapb86d48f2-45”
tag: 2
Interface “tapb86d48f2-45”
type: internal
Port “tapa4fa2a9d-a4”
tag: 3
Interface “tapa4fa2a9d-a4”
type: internal
Port “qr-eb92ffa9-da”
tag: 2
Interface “qr-eb92ffa9-da”
type: internal
Port “qr-e8146f9f-51”
tag: 3
Interface “qr-e8146f9f-51”
type: internal
Port br-int
Interface br-int
type: internal
Port patch-tun
Interface patch-tun
type: patch
options: {peer=patch-int}
Port int-br-ex
Interface int-br-ex
type: patch
options: {peer=phy-br-ex}
Bridge br-tun
fail_mode: secure
Port “vxlan-c000020c”
Interface “vxlan-c000020c”
type: vxlan
options: {df_default=”true”, in_key=flow, local_ip=”192.0.2.13″, out_key=flow, remote_ip=”192.0.2.12″}
Port patch-int
Interface patch-int
type: patch
options: {peer=patch-tun}
Port br-tun
Interface br-tun
type: internal
Bridge br-ex
Port phy-br-ex
Interface phy-br-ex
type: patch
options: {peer=int-br-ex}
Port “qg-df23145d-8f”
Interface “qg-df23145d-8f”
type: internal
Port “qg-53315134-1d”
Interface “qg-53315134-1d”
type: internal
Port br-ex
Interface br-ex
type: internal
Port “eth0”
Interface “eth0”
ovs_version: “2.5.0”

***************************************************
Routing table on overcloud controller
***************************************************

[root@overcloud-controller-0 ~]# ip route
default via 192.0.2.1 dev br-ex  proto static
169.254.169.254 via 192.0.2.1 dev br-ex  proto static
192.0.2.0/24 dev br-ex  proto kernel  scope link  src 192.0.2.13

Network topology

[root@overcloud-controller-0 ~]# neutron net-list

+————————————–+————–+—————————————-+
| id                                   | name         | subnets                                |
+————————————–+————–+—————————————-+
| 1dad601c-c865-41d8-94cb-efc634c1fc83 | public       | 12787d8b-1b72-402d-9b93-2821f0a18b7b   |
|                                      |              | 192.0.2.0/24                           |
| 0086836e-2dc3-4d40-a2e2-21f222b159f4 | demo_network | dcc40bfc-9293-47bb-8788-d4b5f090d076   |
|                                      |              | 90.0.0.0/24                            |
| 59168b6e-adca-4ec6-982a-f94a0eb770c8 | private      | ede9bbc2-5099-4d9f-91af-2fd4387d52be   |
|                                      |              | 50.0.0.0/24                            |
+————————————–+————–+—————————————-+

[root@overcloud-controller-0 ~]# nova service-list

+—-+——————+————————————-+———-+———+——-+—————————-+—————–+
| Id | Binary           | Host                                | Zone     | Status  | State | Updated_at                 | Disabled Reason |
+—-+——————+————————————-+———-+———+——-+—————————-+—————–+
| 1  | nova-cert        | overcloud-controller-0              | internal | enabled | up    | 2016-05-26T17:09:20.000000 | –               |
| 2  | nova-consoleauth | overcloud-controller-0              | internal | enabled | up    | 2016-05-26T17:09:20.000000 | –               |
| 5  | nova-scheduler   | overcloud-controller-0              | internal | enabled | up    | 2016-05-26T17:09:22.000000 | –               |
| 6  | nova-conductor   | overcloud-controller-0              | internal | enabled | up    | 2016-05-26T17:09:24.000000 | –               |
| 7  | nova-compute     | overcloud-novacompute-0.localdomain | nova     | enabled | up    | 2016-05-26T17:09:19.000000 | –               |
+—-+——————+————————————-+———-+———+——-+—————————-+—————–+

Running VMs

*************************************************************************
Verfication outbound connectivity. Connecting via floating IPs belong
192.0.2.0/24 to VMs running in overcloud from undercloud VM
*************************************************************************

********************************************************
`ip netns` on overcloud controller
********************************************************

It won’t work on 16 GB even minimal configuration.
Server memory allocation for minimal virtual environment

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