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.. This work is licensed under a Creative Commons Attribution 4.0 International License.
.. http://creativecommons.org/licenses/by/4.0
============================================
os-nosdn-kvm_nfv_ovs_dpdk_bar-ha Description
============================================
Introduction
-------------
.. In this section explain the purpose of the scenario and the
types of capabilities provided
The purpose of os-nosdn-kvm_ovs_dpdk_bar-noha scenario testing is to test the
No High Availability deployment and configuration of OPNFV software suite
with OpenStack and without SDN software. This OPNFV software suite
includes OPNFV KVM4NFV latest software packages for Linux Kernel and
QEMU patches for achieving low latency.No High Availability feature is achieved
by deploying OpenStack multi-node setup with 1 controller and 3 computes nodes.
OPNFV Barometer packages is used for traffic,performance and platform monitoring.
KVM4NFV packages will be installed on compute nodes as part of deployment.
This scenario testcase deployment is happening on multi-node by using OPNFV Fuel deployer.
Scenario Components and Composition
------------------------------------
.. In this section describe the unique components that make up the scenario,
.. what each component provides and why it has been included in order
.. to communicate to the user the capabilities available in this scenario.
This scenario deploys the No High Availability OPNFV Cloud based on the
configurations provided in no-ha_nfv-kvm_nfv-ovs-dpdk-bar_heat_ceilometer_scenario.yaml.
This yaml file contains following configurations and is passed as an
argument to deploy.py script
* ``scenario.yaml:`` This configuration file defines translation between a
short deployment scenario name(os-nosdn-kvm_ovs_dpdk_bar-noha) and an actual deployment
scenario configuration file(no-ha_nfv-kvm_nfv-ovs-dpdk-bar_heat_ceilometer_scenario.yaml)
* ``deployment-scenario-metadata:`` Contains the configuration metadata like
title,version,created,comment.
.. code:: bash
deployment-scenario-metadata:
title: NFV KVM and OVS-DPDK HA deployment
version: 0.0.1
created: Dec 20 2016
comment: NFV KVM and OVS-DPDK
* ``stack-extensions:`` Stack extentions are opnfv added value features in form
of a fuel-plugin.Plugins listed in stack extensions are enabled and
configured. os-nosdn-kvm_ovs_dpdk_bar-noha scenario currently uses KVM-1.0.0 plugin and barometer-1.0.0 plugin.
.. code:: bash
stack-extensions:
- module: fuel-plugin-kvm
module-config-name: fuel-nfvkvm
module-config-version: 1.0.0
module-config-override:
# Module config overrides
- module: fuel-plugin-collectd-ceilometer
module-config-name: fuel-barometer
module-config-version: 1.0.0
module-config-override:
# Module config overrides
* ``dea-override-config:`` Used to configure the HA mode,network segmentation
types and role to node assignments.These configurations overrides
corresponding keys in the dea_base.yaml and dea_pod_override.yaml.
These keys are used to deploy multiple nodes(``1 controller,3 computes``)
as mention below.
* **Node 1**:
- This node has MongoDB and Controller roles
- The controller node runs the Identity service, Image Service, management portions of
Compute and Networking, Networking plug-in and the dashboard
- Uses VLAN as an interface
* **Node 2**:
- This node has compute and Ceph-osd roles
- Ceph is a massively scalable, open source, distributed storage system
- By default, Compute uses KVM as the hypervisor
- Uses DPDK as an interface
* **Node 3**:
- This node has compute and Ceph-osd roles
- Ceph is a massively scalable, open source, distributed storage system
- By default, Compute uses KVM as the hypervisor
- Uses DPDK as an interface
* **Node 4**:
- This node has compute and Ceph-osd roles
- Ceph is a massively scalable, open source, distributed storage system
- By default, Compute uses KVM as the hypervisor
- Uses DPDK as an interface
The below is the ``dea-override-config`` of the no-ha_nfv-kvm_nfv-ovs-dpdk-bar_heat_ceilometer_scenario.yaml file.
.. code:: bash
dea-override-config:
fuel:
FEATURE_GROUPS:
- experimental
environment:
net_segment_type: vlan
nodes:
- id: 1
interfaces: interfaces_vlan
role: mongo,controller
- id: 2
interfaces: interfaces_dpdk
role: ceph-osd,compute
attributes: attributes_1
- id: 3
interfaces: interfaces_dpdk
role: ceph-osd,compute
attributes: attributes_1
- id: 4
interfaces: interfaces_dpdk
role: ceph-osd,compute
attributes: attributes_1
attributes_1:
hugepages:
dpdk:
value: 1024
nova:
value:
'2048': 1024
network:
networking_parameters:
segmentation_type: vlan
networks:
- cidr: null
gateway: null
ip_ranges: []
meta:
configurable: false
map_priority: 2
name: private
neutron_vlan_range: true
notation: null
render_addr_mask: null
render_type: null
seg_type: vlan
use_gateway: false
vlan_start: null
name: private
vlan_start: null
settings:
editable:
storage:
ephemeral_ceph:
description: Configures Nova to store ephemeral volumes in RBD. This works best if Ceph is enabled for volumes and images, too. Enables live migration of all types of Ceph backed VMs (without this option, live migration will only work with VMs launched from Cinder volumes).
label: Ceph RBD for ephemeral volumes (Nova)
type: checkbox
value: true
weight: 75
images_ceph:
description: Configures Glance to use the Ceph RBD backend to store images. If enabled, this option will prevent Swift from installing.
label: Ceph RBD for images (Glance)
restrictions:
- settings:storage.images_vcenter.value == true: Only one Glance backend could be selected.
type: checkbox
value: true
weight: 30
* ``dha-override-config:`` Provides information about the VM definition and
Network config for virtual deployment.These configurations overrides
the pod dha definition and points to the controller,compute and
fuel definition files. The noha_nfv-kvm_nfv-ovs-dpdk-bar_heat_ceilometer_scenario.yaml has no dha-config changes i.e., default configuration is used.
* os-nosdn-kvm_ovs_dpdk_bar-noha scenario is successful when all the 4 Nodes are accessible,
up and running.
**Note:**
* In os-nosdn-kvm_ovs_dpdk_bar-noha scenario, OVS is installed on the compute nodes with DPDK configured
* Baraometer plugin is also implemented along with KVM plugin.
* Hugepages for DPDK are configured in the attributes_1 section of the no-ha_nfv-kvm_nfv-ovs-dpdk_heat_ceilometer_scenario.yaml
* Hugepages are only configured for compute nodes
* This results in faster communication and data transfer among the compute nodes
Scenario Usage Overview
-----------------------
.. Provide a brief overview on how to use the scenario and the features available to the
.. user. This should be an "introduction" to the userguide document, and explicitly link to it,
.. where the specifics of the features are covered including examples and API's
* The high availability feature is disabled and deploymet is done by deploy.py with
noha_nfv-kvm_nfv-ovs-dpdk-bar_heat_ceilometer_scenario.yaml as an argument.
* Install Fuel Master and deploy OPNFV Cloud from scratch on Hardware
Environment:
Command to deploy the os-nosdn-kvm_ovs_dpdk_bar-noha scenario:
.. code:: bash
$ cd ~/fuel/ci/
$ sudo ./deploy.sh -f -b file:///tmp/opnfv-fuel/deploy/config -l devel-pipeline -p default -s no-ha_nfv-kvm_nfv-ovs-dpdk-bar_heat_ceilometer_scenario.yaml -i file:///tmp/opnfv.iso
where,
-b is used to specify the configuration directory
-i is used to specify the image downloaded from artifacts.
Note:
.. code:: bash
Check $ sudo ./deploy.sh -h for further information.
* os-nosdn-kvm_ovs_dpdk_bar-noha scenario can be executed from the jenkins project
"fuel-os-nosdn-kvm_ovs_dpdk_bar-noha-baremetal-daily-master"
* This scenario provides the No High Availability feature by deploying
1 controller,3 compute nodes and checking if all the 4 nodes
are accessible(IP,up & running).
* Test Scenario is passed if deployment is successful and all 4 nodes have
accessibility (IP , up & running).
Known Limitations, Issues and Workarounds
-----------------------------------------
.. Explain any known limitations here.
* Test scenario os-nosdn-kvm_ovs_dpdk_bar-noha result is not stable.
References
----------
For more information on the OPNFV Danube release, please visit
http://www.opnfv.org/Danube
|
