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Home > Clouds > OpenStack > Juno > OpenStack Sample Architecture

OpenStack Sample Architecture

Table of Contents

Design Overview

 

Networking

  • Neutron

Adding to RightScale

Cloud Capabilities

When adding an OpenStackOpenStack zone with basic networking and security groups to the RightScale Dashboard, the following cloud capabilities should be set:

  • Security Groups: Enabled
  • Port Forwarding: Disabled
  • Subnets: Disabled
  • Multiple Subnets: Disabled

Components

Keystone, Horizon, dnsmasq and MySQL Server

Overview

Runs the Cinder, Swift-Proxy, Glance, Nova-Network and Nova-Manage services. Provides image management, block storage, object storage proxy and compute management. This server has high I/O and network requirements. A RAID5 array provides improved disk I/O while still providing fault tolerance. 10Gb network configuration is recommended for the storage server to reduce instance and snapshot creation time.

Network
  • 10Gb Private NIC
  • 1-10Gb Public NIC
Disk Configuration
  • RAID5
Expansion
  • If block storage disk space becomes an issue, additional Cinder nodes can be added to increase space. Adding extra Glance servers can be used to reduce disk and network I/O on each Glance server.

Swift-Object Nodes

Overview

Runs the Cinder, Swift-Proxy, Glance, Nova-Network and Nova-Manage services. Provides image management, block storage, object storage proxy and compute management. This server has high I/O and network requirements. A RAID5 array provides improved disk I/O while still providing fault tolerance. 10Gb network configuration is recommended for the storage server to reduce instance and snapshot creation time.

Network
  • 10Gb Private NIC
Disk Configuration
  • SSD RAID0
Expansion

Additional hypervisors should be added to a cluster in the event that that VMs cannot be launched due to hypervisor disk or memory capacity. Extra hypervisors can also be added to a cluster if VMs are running slow due to insufficient disk I/O.

 

Example Hardware Configuration

 

Component Server Disk Speed Disk Size CPU Memory Port Speed
Management Server osmanagement1 7.2K SATA 500GB (2x 500GB SATA - RAID1) Single 5310 8GB 1Gb
 
Storage Server oskvmfs1 15k SCSI 3.6TB(7x 600GB 15k SCSI - RAID5) Single 5310 8GB 10Gb
Hypervisor oskvm1 SSD 1.6TB (4x 400GB SSD - RAID0) Dual X5650 48GB 10Gb
Hypervisor oskvm2 SSD 1.6TB (4x 400GB SSD - RAID0) Dual X5650 48GB 10Gb

Services

Common


Juno source:
/etc/apt/sources.list.d/Juno.list
deb http://ubuntu-cloud.archive.canonical.com/ubuntu precise-updates/Juno main

Keystone

Packages:

  • keystone
  • python-keystone
  • python-keystoneclient

Configuration Files:

Nova

Packages:

  • nova-api
  • nova-cert
  • nova-common
  • nova-conductor
  • nova-consoleauth
  • nova-novncproxy
  • nova-scheduler
  • python-nova
  • python-novaclient

Configuration Files:

Neutron

Packages:

  • python-neutron
  • python-neutronclient
  • neutron-common
  • neutron-dhcp-agent
  • neutron-l3-agent
  • neutron-metadata-agent
  • neutron-plugin-openvswitch
  • neutron-plugin-openvswitch-agent
  • neutron-server

Configuration Files:

 

Glance

Packages:

  • glance
  • glance-api
  • glance-common
  • glance-registry
  • python-glance
  • python-glanceclient

Configuration Files:

Cinder

Packages:

  • cinder-api
  • cinder-common
  • cinder-scheduler
  • cinder-volume
  • python-cinder
  • python-cinderclient

Swift

Packages:

  • python-swift
  • python-swiftclient
  • swift
  • swift-proxy

Nova-compute

Packages:

  • nova-common
  • nova-compute
  • nova-compute-kvm
  • python-nova
  • python-novaclient

Neutron-agent

Package:

  • python-neutron
  • python-neutronclient
  • neutron-common
  • neutron-dhcp-agent
  • neutron-l3-agent
  • neutron-metadata-agent
  • neutron-plugin-openvswitch
  • neutron-plugin-openvswitch-agent

Swift-object

Packages:

  • python-swift
  • python-swiftclient
  • swift
  • swift-account
  • swift-container
  • swift-object

Monitoring Steps

Zenoss is recommended for OpenStack monitoring, but the OpenStack monitoring script is also compatible with Nagios.

  • Download openstack.rb from https://privatecloudtools.s3.amazona...m/openstack.rb and place it in the zenoss libexec directory on the Zenoss server (ususally /opt/zenoss/libexec)
  • Create a new monitoring template in Zenoss
  • Add a new command data source for the monitoring template
  • Fill out name, error severity, cycle time and command template
  • Command template should be in the following format: `openstack.rb -h ${dev/manageIp} -u <USER> -p <PASSWORD> -t <TENANTID>` where <USER> and <PASS> are the Keystone credentials to use when checking system status, and <TENANTID> is a tenant id where the user is a member or admin
  • Add a data point for each component to be monitored. The script currently supports volume, image, identity, object and compute
  • Add thresholds. A value of 1 means the service is functioning, a value of 0 means there is an error
  • Add graphing if you would like to keep historical 

 

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Last modified
11:39, 2 Mar 2015

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