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Description

Installs the Openstack compute service (codename: nova) from packages.

http://nova.openstack.org

Requirements

Chef 0.10.0 or higher required (for Chef environment use).

Platforms

  • Ubuntu-12.04
  • Fedora-17

Cookbooks

The following cookbooks are dependencies:

  • apt
  • database
  • glance
  • keystone
  • mysql
  • openssh
  • rabbitmq
  • selinux (Fedora)
  • osops-utils
  • nova-network

Resources/Providers

None

Recipes

api-ec2

-Includes recipe nova-common
-Installs AWS EC2 compatible API and configures the service and endpoints in keystone

api-ec2-monitoring

  • Includes recipe monit::server
  • Configures monit process monitoring for the nova-api-ec2 service
  • Included from recipe nova::api-ec2

api-metadata

-Includes recipe nova-common
-Installs the nova metadata package

api-os-compute

-Includes recipe nova-common
-Installs OS API and configures the service and endpoints in keystone

api-os-volume

-Includes recipe nova-common
-Installs the OpenStack volume service API

apt

-Performs an apt-get update

compute

-Includes recipes nova-common, api-metadata -Installs nova-compute service

libvirt

-Installs libvirt, used by nova compute for management of the virtual machine environment

nova-common

-May include recipe selinux (Fedora)
-Builds the basic nova.conf config file with details of the rabbitmq, mysql, glance and keystone servers
-Builds a openrc file for root with appropriate environment variables to interact with the nova client CLI

nova-setup

-Includes recipes nova-common, mysql:client
-Sets up the nova database on the mysql server, including the initial schema

scheduler

-Includes recipe nova-common
-Installs nova scheduler service

vncproxy

-Includes recipe nova-common
-Installs and configures the vncproxy service for console access to VMs

volume

-Includes recipes nova-common, api-os-volume
-Installs nova volume service and configures the service and endpoints in keystone
-To use you must created a LVM Volume Group named nova-volumes

nova-scheduler-patch

-Includes recipe osops-utils -Patches nova-scheduler based on installed package version

Attributes

  • `nova["patch_files_on_disk"] - Boolean for patching files on disk

  • nova["db"]["name"] - Name of nova database

  • nova["db"]["username"] - Username for nova database access

  • nova["db"]["password"] - Password for nova database access NOTE: db password is no longer set statically in the attributes file, but securely/randomly in the nova-common recipe

  • nova["service_tenant_name"] - Tenant name used by nova when interacting with keystone

  • nova["service_user"] - User name used by nova when interacting with keystone

  • nova["service_pass"] - User password used by nova when interacting with keystone NOTE: service password is no longer set statically in the attributes file, but securely/randomly in the *api recipes

  • nova["service_role"] - User role used by nova when interacting with keystone

  • nova["compute"]["api"]["protocol"] - Protocol used for the OS API

  • nova["compute"]["api"]["port"] - Port on which OS API runs

  • nova["compute"]["api"]["version"] - Version of the OS API used

  • nova["compute"]["adminURL"] - URL used to access the OS API for admin functions

  • nova["compute"]["internalURL"] - URL used to access the OS API for user functions from an internal network

  • nova["compute"]["publicURL"] - URL used to access the OS API for user functions from an external network

  • nova["config"]["availability_zone"] - Nova availability zone. Usually set at the node level to place a compute node in another az

  • nova["config"]["default_schedule_zone"] - The availability zone to schedule instances in when no az is specified in the request

  • nova["config"]["force_raw_images"] - Convert all images used as backing files for instances to raw (we default to false)

  • nova["config"]["allow_same_net_traffic"] - Disable security groups for internal networks (we default to true)

  • nova["config"]["osapi_max_limit"] - The maximum number of items returned in a single response from a collection resource (default is 1000)

  • nova["config"]["cpu_allocation_ratio"] - Virtual CPU to Physical CPU allocation ratio (default 16.0)

  • nova["config"]["ram_allocation_ratio"] - Virtual RAM to Physical RAM allocation ratio (default 1.5)

  • nova["config"]["snapshot_image_format"] - Snapshot image format (valid options are : raw, qcow2, vmdk, vdi [we default to qcow2]).

  • nova["config"]["start_guests_on_host_boot"] - Whether to restart guests when the host reboots

  • nova["config"]["resume_guests_state_on_host_boot"] - Whether to start guests that were running before the host rebooted

  • nova["ec2"]["api"]["protocol"] - Protocol used for the AWS EC2 compatible API

  • nova["ec2"]["api"]["port"] - Port on which AWS EC2 compatible API runs

  • nova["ec2"]["api"]["admin_path"] - Path for admin functions in the AWS EC2 compatible API

  • nova["ec2"]["api"]["cloud_path"] - Path for service functions in the AWS EC2 compatible API

  • nova["ec2"]["adminURL"] - URL used to access the AWS EC2 compatible API for admin functions

  • nova["ec2"]["internalURL"] - URL used to access the AWS EC2 compatible API for user functions from an internal network

  • nova["ec2"]["publicURL"] - URL used to access the AWS EC2 compatible API for user functions from an external network

  • nova["xvpvnc"]["proxy_bind_host"] - IP address which the xvpvncproxy binds to

  • nova["xvpvnc"]["proxy_bind_port"] - Port on which the xvpvncproxy runs

  • nova["xvpvnc"]["ip_address"] - IP address for accessing the xvpvncproxy service

  • nova["xvpvnc"]["proxy_base_url"] - Base URL returned for xvpvncproxy requests

  • nova["novnc"]["proxy_bind_port"] - Port on which the novncproxy runs

  • nova["novnc"]["proxy_base_url"] - Base URL returned for novncproxy requests

  • nova["volume"]["api_port"] - Port on which nova volumes API runs

  • nova["volume"]["ipaddress"] - IP address where nova volumes API runs

  • nova["volume"]["adminURL"] - URL used to access the nova volumes API for admin functions

  • nova["volume"]["internalURL"] - URL used to access the nova volumes API for user functions from an internal network

  • nova["volume"]["publicURL"] - URL used to access the nova volumes API for user functions from an external network

  • nova["libvirt"]["virt_type"] - What hypervisor software layer to use with libvirt (e.g., kvm, qemu)

  • nova["libvirt"]["vncserver_listen"] - IP address on the hypervisor that libvirt listens for VNC requests on

  • nova["libvirt"]["vncserver_proxyclient_address"] - IP address on the hypervisor that libvirt exposes for VNC requests on (should be the same as vncserver_listen)

  • nova["libvirt"]["auth_tcp"] - Type of authentication your libvirt layer requires

  • nova["libvirt"]["ssh"]["private_key"] - Private key to use if using SSH authentication to your libvirt layer

  • nova["libvirt"]["ssh"]["public_key"] - Public key to use if using SSH authentication to your libvirt layer

  • nova["scheduler"]["scheduler_driver"] - the scheduler driver to use NOTE: The filter scheduler currently does not work with ec2.

  • nova["scheduler"]["default_filters"] - a list of filters enabled for schedulers that support them.

  • nova["syslog"]["use"] - Should nova log to syslog?

  • nova["syslog"]["facility"] - Which facility nova should use when logging in python style (for example, LOG_LOCAL1)

  • nova["syslog"]["config_facility"] - Which facility nova should use when logging in rsyslog style (for example, local1)

  • nova["volumes"]["enabled"] - Turn on or off the nova-volumes service

  • nova["ratelimit"] - Tune OpenStack Compute API rate limits. For Example: "override_attribute": { "nova": { "ratelimit": { "settings": { "changes-since-limit": { "limit": "500000", "verb": "GET", "uri": "changes-since", "interval": "MINUTE", "regex": ".changes-since." }, "create-servers-limit": { "limit": "500000", "verb": "POST", "uri": "/servers", "interval": "DAY", "regex": "^/servers" }, "generic-post-limit": { "limit": "500000", "verb": "POST", "uri": "", "interval": "MINUTE", "regex": "." }, "generic-delete-limit": { "limit": "500000", "verb": "DELETE", "uri": "", "interval": "MINUTE", "regex": "." }, "generic-put-limit": { "limit": "500000", "verb": "PUT", "uri": "", "interval": "MINUTE", "regex": ".*" } } } }

Templates

  • api-paste.ini.erb - Paste config for nova API middleware
  • libvirt-bin.erb - Initscript for starting libvirtd
  • libvirtd-ssh-config - Config file for libvirt SSH auth
  • libvirtd-ssh-private-key.erb - Private SSH key for libvirt SSH
  • libvirtd-ssh-public-key.erb - Public SSH key for libvirt SSH auth
  • libvirtd.conf.erb - Libvirt config file
  • local_settings.py.erb - Dashboard (horizon) config file
  • nova.conf.erb - Basic nova.conf file
  • openrc.erb - Contains environment variable settings to enable easy use of the nova client
  • patches/ - misc. patches for nova

License and Author

Author:: Justin Shepherd (justin.shepherd@rackspace.com)
Author:: Jason Cannavale (jason.cannavale@rackspace.com)
Author:: Ron Pedde (ron.pedde@rackspace.com)
Author:: Joseph Breu (joseph.breu@rackspace.com)
Author:: William Kelly (william.kelly@rackspace.com)
Author:: Darren Birkett (darren.birkett@rackspace.co.uk)
Author:: Evan Callicoat (evan.callicoat@rackspace.com)

Copyright 2012, Rackspace US, Inc.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.