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README.md

Microsoft Azure Cookbook

Cookbook Version

Description

This cookbook provides resources and providers to create an manage Microsoft Azure components. Currently supported resources are:

  • Storage Accounts ('microsoft_azure_storage_account')
  • Blob Storage Containers ('microsoft_azure_storage_container')
  • SQL Azure Servers ('microsoft_azure_sql_db_server')

Note This cookbook uses the azure RubyGem to interact with the Azure API. This gem requires nokogiri which requires compiling native extensions, which means build tools are required.

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 Microsoft Azure account is required. The Management Certificate and Subscriptoin ID are used to authenticate with Azure.

Dependent Cookbooks

  • xml '~> 1.3.0'

Azure Credentials

In order to manage Azure 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 (Chef 0.8+), and loading them in the recipe where the resources are needed.

DataBag recommendation:

% knife data bag show microsoft_azure main
{
  "id": "main",
  "management_certificate": "YOUR PEM FILE CONTENTS",
  "subscription_id": "YOUR SUBSCRIPTION ID"
}

This can be loaded in a recipe with:

microsoft_azure = data_bag_item("microsoft_azure", "main")

And to access the values:

microsoft_azure['management_certificate']
microsoft_azure['subscription_id']

We'll look at specific usage below.

Recipes

default.rb

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

"run_list": [
  "recipe[microsoft_azure]"
]

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

Resources and Providers

This cookbook provides three resources and corresponding providers.

microsoft_azure_storage_account

Manage Azure Storage Accounts with this resource.

Actions:

  • create - create a new storage account
  • delete - delete the specified storage account

Attribute Parameters:

  • management_certificate - PEM file contents of Azure management certificate, required.
  • subscription_id - ID of Azure subscription, required.
  • management_endpoint - Endpoint for Azure API, defaults to management.core.windows.net.
  • location - Azure location to create storate account. Either location or affinity group are required.
  • affinity_group_name - Affinity group to create account in. Either location or affinity group are required.
  • geo_replication_enabled - True or false, defaults to true.

microsoft_azure_storage_container

Manage Azure Blob Containers with this resource

Actions:

  • create - create a new container
  • delete - delete the specified container

Attribute Parameters:

  • storage_account - Account to create container in, required.
  • access_key - Access key for storage account, required.

microsoft_azure_sql_db_server

Actions:

  • create - create a new server. Use the Azure location as the name of the storage account. The server name is autogenerated.

Attribute Parameters:

  • management_certificate - PEM file contents of Azure management certificate, required.
  • subscription_id - ID of Azure subscription, required.
  • management_endpoint - Endpoint for Azure API, defaults to management.database.windows.net.
  • login - Desired admin login for db server, required.
  • password - Desired admin password for db server, required.
  • server_name - This attribute is set by the provider, and can be used by consuming recipies.

microsoft_azure_protected_file

This resource is a wrapper around the core remote_file resource that will generate an expiring link for you to retrieve your file from protected blob storage.

Actions:

  • create - create the file
  • create_if_missing - create the file if it does not already exist. default
  • delete - delete the file
  • touch - touch the file

Attribute Parameters:

  • storage_account - the azure storage account you are accessing
  • access_key - the access key to this azure storage account
  • path - where this file will be created on the machine. name attribute
  • remote_path - the url to the file you are trying to retrieve

The following parameters are inherited from the remote_file resource.

  • owner
  • group
  • mode
  • checksum
  • backup
  • inherits
  • rights

Example:

microsoft_azure_protected_file '/tmp/secret_file.jpg' do
  storage_account 'secretstorage'
  access_key 'eW91cmtleWluYmFzZTY0.....'
  remote_path 'https://secretstorage.blob.core.windows.net/images/secret_file.jpg'
end

Usage

The following examples assume that the recommended data bag item has been created and that the following has been included at the top of the recipe where they are used.

include_recipe "microsoft_azure"
microsoft_azure = data_bag_item("microsoft_azure", "main")

microsoft_azure_storage_account

This will create an account named new-account in the West US location.

microsoft_azure_storage_account 'new-account' do
  management_certificate microsoft_azure['management_certificate']
  subscription_id microsoft_azure['subscription_id']
  location 'West US'
  action :create
end

This will create an account named new-account in the existing my-ag affinity group.

microsoft_azure_storage_account 'new-account' do
  management_certificate microsoft_azure['management_certificate']
  subscription_id microsoft_azure['subscription_id']
  affinity_group_name 'my-ag'
  action :create
end

microsoft_azure_storage_container

This will create a container named my-node within the storage account my-account.

microsoft_azure_storage_container 'my-node' do
  storage_account 'my-account'
  access_key microsoft_azure['access_key']
  action :create
end

microsoft_azure_sql_db_server

This will create a db server in the location West US with the login admin and password password.

microsoft_azure_sql_db_server 'West US' do
  management_certificate microsoft_azure['management_certificate']
  subscription_id microsoft_azure['subscription_id']
  login 'admin'
  password 'password'
  action :create
end

Here is an example of how you might retrieve the generated server name.

file '/etc/db_server_info' do
  content lazy {
    db2 = resources("microsoft_azure_sql_db_server[West US]")
    "Url: https://#{db2.server_name}.database.windows.net"
  }
  mode 0600
  action :create
end

vm_extension_removal_policy

This resource can be used to configure the behavior of chef-extension on removal. This resource should be run as the root user since it modifies the extension config file.

User needs to set environment variable EXTENSION_PATH pointing to the extension root path e.g. C:/Packages/Plugins/Chef.Bootstrap.WindowsAzure.ChefClient/<extension_version> for windows or /var/lib/waagent/Chef.Bootstrap.WindowsAzure.LinuxChefClient-<extension_version> for linux.

NOTE: EXTENSION_PATH may vary from the examples mentioned above.

Actions:

  • set - sets the configuration in the extension config file.

Attribute Parameters:

  • uninstall_chef_client - true/false (decides whether chef-client should be uninstalled on extension uninstall). Default value is false
  • delete_chef_config - true/false (decides whether to delete chef extension configuration file on extension uninstall). Default value is false

Example:

azure_cookbook_vm_extension_removal_policy "set policy" do
  uninstall_chef_client false
  delete_chef_config true
end

Helpers

vault_secret

This helper will allow you to retrieve a secret from an azure keyvault.

spn = {
  'tenant_id' => '11e34-your-tenant-id-1232',
  'client_id' => '11e34-your-client-id-1232',
  'secret' => 'your-client-secret'
}

super_secret = vault_secret(<vault_name>, <secret_name>, spn)

file '/etc/config_file' do
  content "password = #{super_secret}"
end

License and Author

Copyright (c) Microsoft Open Technologies, 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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