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rackspacecloud (8) Versions 0.2.1

Provides LWRP's for managing Rackspace Cloud resources.

Berkshelf/Librarian
Policyfile
Knife
cookbook 'rackspacecloud', '= 0.2.1'
cookbook 'rackspacecloud', '= 0.2.1', :supermarket
knife cookbook site install rackspacecloud
knife cookbook site download rackspacecloud
README
Dependencies
Changelog
Quality 0%

Description

This cookbook provides libraries, resources and providers to configure and manage Rackspace Cloud objects using the Rackspace Cloud API.

Currently supported resources:

  • Rackspace Cloud DNS ( rackspacecloud_record )
  • Rackspace Cloud Files ( rackspacecloud_file )
  • Rackspace Cloud Block storage ( rackspacecloud_cbs )
  • Rackspace Cloud Load Balancers ( rackspacecloud_lbaas)
  • Rackspace Cloud Database to manage users ( rackspacecloud_dbaas_user )

Coming soon:

  • Rackspace Cloud Database (to manage instances)
  • Rackspace Cloud Servers

Not Included:

Requirements

Requires Chef 0.7.10 or higher for Lightweight Resource and Provider support. Chef 0.8+ is recommended. While this cookbook can be used in chef-solo mode, to gain the most flexibility, we recommend using chef-client with a Chef Server.

A Rackspace Cloud account is required. The username and API key are used to authenticate with Rackspace Cloud.

Rackspace Credentials

In order to manage Rackspace Cloud components, authentication credentials need to be available to the node. There are a number of ways to handle this, such as node attributes or roles. We recommend storing these in a databag item (Chef 0.8+), and loading them in the recipe where the resources are needed. To do so, make a data bag called rackspace with an item called cloud that has at least the following:

{
  "id":"cloud",
  "rackspace_username": "<RACKSPACE_USERNAME>",
  "rackspace_api_key": "<RACKSPACE_APIKEY>"
}

You may choose to provide your rackspace_auth_url and rackspace_auth_region in the data bag item as well, but they can generally be safely provided as attributes.

The values can be loaded in a recipe with:

rackspace = data_bag_item("rackspace", "cloud")

And to access the values:

rackspace['rackspace_username']
rackspace['rackspace_api_key']

The data bag items can also be encrypted for extra security.

Recipes

default.rb

The default recipe installs the fog RubyGem, which this cookbook requires in order to work with the Rackspace API. Make sure that the default recipe is in the node or role run_list before any resources from this cookbook are used.

"run_list": [ "recipe[rackspacecloud]" ]

The gem_package is created as a Ruby Object and thus installed during the compile phase of the Chef run.

Libraries

The cookbook has several library modules which can be included where necessary:

Opscode::Rackspace
Opscode::Rackspace::BlockStorage
Opscode::Rackspace::Databases
Opscode::Rackspace::LoadBalancers
Opscode::Rackspace::DNS
Opscode::Rackspace::Storage

Resources and Providers

This cookbook provides several resources and corresponding providers.

rackspacecloud_record

Provides add, modify, remove functionality for Rackspace Cloud DNS records. Example:

Add an A record:

rackspacecloud_record "chef.rackspace.com" do
  record "n02.chef.rackspace.com"
  value "10.1.2.3"
  type "A"
  ttl 300
  rackspace_username "foo"
  rackspace_api_key "nnnnnnnnnnn"
  action :add
end

Add a CNAME:

rackspacecloud_record "chef.rackspace.com" do
  record "n02.chef.rackspace.com"
  value "api.chef.rackspace.com"
  type "CNAME"
  ttl 300
  rackspace_username "foo"
  rackspace_api_key "nnnnnnnnnnn"
  action :add
end

Update a record:

rackspacecloud_record "chef.rackspace.com" do
  record "n02.chef.rackspace.com"
  value "10.1.2.4"
  type "A"
  ttl 300
  rackspace_username "foo"
  rackspace_api_key "nnnnnnnnnnn"
  action :update
end

Attributes:

  • record: The name of the record being created/deleted/modified.
  • value: The value to set the record to.
  • type: The type of record to create. Default is A.
  • ttl: The TTL for the record. Default is 300.
  • rackspace_username: The Rackspace API username. Can be retrieved from data bag or node attributes.
  • rackspace_api_key: The Rackspace API key. Can be retrieved from data bag or node attributes.
  • action: :add, :delete, :update. Default is :add.

rackspacecloud_file

Retrieves/Stores files from/to Rackspace Cloud Files. Example:

rackspacecloud_file "/usr/share/tomcat5/webapps/demo.war" do
  directory "wars"
  rackspace_username "foo"
  rackspace_api_key "nnnnnnnnnnn"
  rackspace_region "ORD"
  binmode true
  action :create
end
rackspacecloud_file "/usr/share/tomcat5/webapps/demo.war" do
  directory "wars"
  cloudfile_uri "my_subdirectory/demo.war"
  rackspace_username "foo"
  rackspace_api_key "nnnnnnnnnnn"
  rackspace_region "ORD"
  binmode true
  action :create
end
rackspacecloud_file "/usr/share/tomcat5/webapps/demo.war" do
  directory "wars"
  rackspace_username "foo"
  rackspace_api_key "nnnnnnnnnnn"
  rackspace_region "ORD"
  binmode true
  action :upload
end

Attributes:

  • filename: The local filepath to download the file to. This is the named_attribute.
  • directory: The container on Rackspace Cloud Files where the file can be found or should be uploaded to.
  • cloudfile_uri: The path on Rackspace Cloud Files where the file can be found or uploaded to. This is the path under the container. Eg. if the full path is my_container/my_subdirectory/my_file then cloudfile_uri should be my_subdirectory/my_file. If cloudfile_uri is blank, the file is assumed to be in the root of the container, with the filename derived from the filename attribute.
  • rackspace_username: The Rackspace API username. Can be retrieved from data bag or node attributes.
  • rackspace_api_key: The Rackspace API key. Can be retrieved from data bag or node attributes.
  • rackspace_region: The Rackspace Cloud Files region (ORD, DFW, HKG, IAD, etc.)
  • binmode: true or false. Default is false. Setting this to true will download the file in binary mode.
  • action: :create, :create_if_missing, :upload. Default is :create.

rackspacecloud_lbaas

Adds and removes nodes from specified load balancer. Example:

rackspacecloud_lbaas "loadBalancerIdGoesHere" do
  action :add_node
  rackspace_username "userName"
  rackspace_api_key "apiKey"
  rackspace_region "ORD"
  node_address node[:rackspace][:local_ipv4]
end

Attributes:

  • load_balancer_id: Id of the load balancer to add/remove nodes on.
  • port: Port the load balancer will route traffic to. (default is 80)
  • node_address: The IP address of the node you are adding or removing
  • condition: Either ENABLED or DISABLED (default is enabled)
  • rackspace_username: The Rackspace API username. Can be retrieved from data bag or node attributes.
  • rackspace_api_key: The Rackspace API key. Can be retrieved from data bag or node attributes.
  • rackspace_region: Region for load balancer (ORD, DFW, HKG, IAD, etc.)
  • action: :add_node or :remove_node. Default is :add_node.

rackspacecloud_dbaas_user

Create/delete a user on/from a Database instance. Example:

rackspacecloud_dbaas_user "MyUserName" do
  instance "0a000b0f-00b0-000d-b00-0b0d0000c00a"
  databases ["database1", "database2"]
  password "thisissecret"
  host "%"
  rackspace_username "userName"
  rackspace_api_key "apiKey"
  rackspace_region "ORD"
  action :create
end

It will create the user MyUserName on the database instance 0a000b0f-00b0-000d-b00-0b0d0000c00a. In addition it will grant access to this user on the database database1 and database2 from the host %.

rackspacecloud_dbaas_user "MyUserName" do
  instance "0a000b0f-00b0-000d-b00-0b0d0000c00a"
  rackspace_username "userName"
  rackspace_api_key "apiKey"
  rackspace_region "ORD"
  action :delete
end

It will delete the user MyUserName from the database instance 0a000b0f-00b0-000d-b00-0b0d0000c00a

Grant or revoke access to a user to a Database.

rackspacecloud_dbaas_user "MyUserName" do
  instance "0a000b0f-00b0-000d-b00-0b0d0000c00a"
  databases ["database1", "database2"]
  host "%"
  rackspace_username "userName"
  rackspace_api_key "apiKey"
  rackspace_region "ORD"
  action :grant
end

It will grant access to MyUserName on the database database1 and database2 from the host %. If the user doesn't exist, it will be created

rackspacecloud_dbaas_user "MyUserName" do
  instance "0a000b0f-00b0-000d-b00-0b0d0000c00a"
  databases ["database1", "database2"]
  host "%"
  rackspace_username "userName"
  rackspace_api_key "apiKey"
  rackspace_region "ORD"
  action :revoke
end

It will revoke access to MyUserName from the database database1 and database2

Attributes:

  • instance: Id of the database instance to act on.
  • username: Name of the user (default to resource name)
  • databases: Array of databases to grant/revoke access to.
  • host: Host source to grant access from (default to %)
  • password: User's password
  • rackspace_username: The Rackspace API username. Can be retrieved from data bag or node attributes.
  • rackspace_api_key: The Rackspace API key. Can be retrieved from data bag or node attributes.
  • rackspace_region: Region for load balancer (ORD, DFW, HKG, IAD, etc.)
  • action: :create,:delete, grant or revoke. Default is :create.

rackspacecloud_cbs

Provides functionality to manage storage volumes and server attachments for Rackspace Cloud Block Storage including creating, attaching, detaching and deleting volumes. All actions performed are idempotent.

Actions:

:create_volume - Creates a new storage volume with the given name. If a volume with the given name exists no action will be taken. This action does not accept volume_id as a parameter.

:attach_volume - Attaches an existing storage volume to the current node. If the volume is already attached no action will be taken. If the volme is attached to another server, an exception will be raised. The volumes may be attached by name or by volume_id.

:create_and_attach - The default action. Combines create_volume and attach_volume into one action. This action does not accept volume_id as a parameter.

:detach_volume - Detaches a volume from an existing server. If the given volume is not attached no action is performed. If the volume is attached to another server, an exception will be raised. The volume may be detached by name or volume_id.

:delete_volume - Deletes an existing storage volume. A volume must be detached in order to be deleted. If the given volume does not exist no action will be taken. The volume may be identified by name or volume_id.

:detach_and_delete - Combines detach_volume and delete_volume into a single action. Volume may be identified by name or volume_id.

Examples:

Create and attach a 100GB SSD storage volume:

rackspacecloud_cbs "myvolume-01" do
  type "SSD"
  size 100
  rackspace_username "userName"
  rackspace_api_key "apiKey"
  rackspace_region "ord"
  action :create_and_attach
end

Create a 200GB SATA volume:

rackspacecloud_cbs "myvolume-02" do
  type "SATA"
  size 200
  rackspace_username "userName"
  rackspace_api_key "apiKey"
  rackspace_region "ord"
  action :create_volume
end

Attach a volume by volume_id:

rackspacecloud_cbs "myvolume-02" do
  volume_id "74fe8714-fd92-4d07-a6a2-ddd15ed09f79"
  rackspace_username "userName"
  rackspace_api_key "apiKey"
  rackspace_region "ord"
  action :attach_volume
end

Detach a volume by name:

rackspacecloud_cbs "myvolume-02" do  
  rackspace_username "userName"
  rackspace_api_key "apiKey"
  rackspace_region "ord"
  action :detach_volume
end

Detach and delete volume by id:

rackspacecloud_cbs "myvolume-01" do
  volume_id "74fe8714-fd92-4d07-a6a2-ddd15ed09f79"
  rackspace_username "userName"
  rackspace_api_key "apiKey"
  rackspace_region "ord"
  action :detach_and_delete
end

Node Attributes:

During the provider run, a node attribute is updated with a list of hashes describing the attached volumes. The list of attached volumes is pulled from the compute and storage api so it will include all attached volumes whether created with this recipe or not. The data is in the following format:

node[:rackspacecloud][:cbs][:attached_volumes] = [
  {
    :device => '/dev/xvde',
    :size => 100,
    :volume_id => "4300a4b7-1b66-4d44-b18d-de1b3236b001",
    :display_name => "myvolume-01",
    :volume_type => "SSD"
  },
  {
    :device => "/dev/xvdb",
    :size => 200,
    :volume_id => "642a8a7b-cb31-479b-8e4c-0158a2be3519",
    :display_name => "myvolume-02",
    :volume_type => "SATA"
  }
]

Example Recipe with LVM:

Below is an example of a simple recipe that creates 2 100GB cloud block storage volumes and uses LVM to create a logical volume group, format the filesystem, and mount at /var/log. This example uses the Opscode LVM recipe.

include_recipe 'rackspacecloud'
include_recipe 'lvm'

rackspace = data_bag_item("rackspace", "cloud")
rackspace_username = rackspace["rackspace_username"]
rackspace_api_key = rackspace["rackspace_api_key"]

(1..2).each do |vol_number|
  rackspacecloud_cbs "#{node[:hostname]}-#{vol_number}" do
    type "SATA"
    size 100
    rackspace_username rackspace_username
    rackspace_api_key rackspace_api_key
    rackspace_region "#{node[:rackspace][:cloud][:region]}"
    action :create_and_attach
  end
end

#use lazy attribute evaluation to get attachment data at execution time
lvm_volume_group 'vg00' do
  not_if {node[:rackspacecloud][:cbs][:attached_volumes].empty? }
  physical_volumes lazy {node[:rackspacecloud][:cbs][:attached_volumes].collect{|attachment| attachment["device"]}}
  logical_volume 'blockstorage' do
    size        '100%VG'
    filesystem  'ext4'
    mount_point '/var/log'
  end
 end

Attributes:

  • name: Name of the volume to perform operations with.
  • volume_id: The volume_id of the volume to attach, detach, or delete. This option is not valid for actions that create volumes.
  • type: The type of storage device, either [SSD, SATA]. Default is SATA.
  • size: The size in GB of strage device. Default is 100.
  • rackspace_username: The Rackspace API username. Can be retrieved from data bag or node attributes.
  • rackspace_api_key: The Rackspace API key. Can be retrieved from data bag or node attributes.
  • action: :create_volume, :attach_volume, :create_and_attach, :detach_volume, :delete_volume, :detach_and_delete. Default is :create_and_attach.

License and Author

Author:: Ryan Walker (ryan.walker@rackspace.com) Author:: Julian Dunn (jdunn@opscode.com) Author:: Michael Goetz (mpgoetz@opscode.com) Author:: Zack Feldstein (zack.feldstein@rackspace.com) Author:: Steven Gonzales (steven.gonzales@rackspace.com)

Copyright 2013, Rackspace Hosting Copyright 2013, Opscode, 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.

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FC001: Use strings in preference to symbols to access node attributes: /tmp/cook/b248e8816a64a0c872530d24/rackspacecloud/attributes/default.rb:20
FC001: Use strings in preference to symbols to access node attributes: /tmp/cook/b248e8816a64a0c872530d24/rackspacecloud/attributes/default.rb:21
FC001: Use strings in preference to symbols to access node attributes: /tmp/cook/b248e8816a64a0c872530d24/rackspacecloud/attributes/default.rb:22
FC001: Use strings in preference to symbols to access node attributes: /tmp/cook/b248e8816a64a0c872530d24/rackspacecloud/providers/cbs.rb:274
FC001: Use strings in preference to symbols to access node attributes: /tmp/cook/b248e8816a64a0c872530d24/rackspacecloud/recipes/default.rb:23
FC017: LWRP does not notify when updated: /tmp/cook/b248e8816a64a0c872530d24/rackspacecloud/providers/file.rb:72
FC017: LWRP does not notify when updated: /tmp/cook/b248e8816a64a0c872530d24/rackspacecloud/providers/record.rb:23
FC017: LWRP does not notify when updated: /tmp/cook/b248e8816a64a0c872530d24/rackspacecloud/providers/record.rb:45
FC017: LWRP does not notify when updated: /tmp/cook/b248e8816a64a0c872530d24/rackspacecloud/providers/record.rb:86
FC019: Access node attributes in a consistent manner: /tmp/cook/b248e8816a64a0c872530d24/rackspacecloud/providers/lbaas.rb:39
FC019: Access node attributes in a consistent manner: /tmp/cook/b248e8816a64a0c872530d24/rackspacecloud/providers/lbaas.rb:55
FC048: Prefer Mixlib::ShellOut: /tmp/cook/b248e8816a64a0c872530d24/rackspacecloud/providers/cbs.rb:135