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Supermarket Belongs to the Community

Supermarket belongs to the community. While Chef has the responsibility to keep it running and be stewards of its functionality, what it does and how it works is driven by the community. The chef/supermarket repository will continue to be where development of the Supermarket application takes place. Come be part of shaping the direction of Supermarket by opening issues and pull requests or by joining us on the Chef Mailing List.

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The database cookbook has been deprecated

Author provided reason for deprecation:

The database cookbook has been deprecated and is no longer being maintained by its authors. Use of the database cookbook is no longer recommended.


database (52) Versions 1.1.2

provides LWRPs for common database tasks

cookbook 'database', '= 1.1.2', :supermarket
cookbook 'database', '= 1.1.2'
knife supermarket install database
knife supermarket download database
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Database Cookbook

The main highlight of this cookbook is the database and database_user resources for managing databases and database users in a RDBMS. Providers for MySQL, PostgreSQL and SQL Server are also provided, see usage documentation below.

This cookbook also contains recipes to configure mysql database masters and slaves and uses EBS for storage, integrating together with the application cookbook utilizing data bags for application related information. These recipes are written primarily to use MySQL and the Opscode mysql cookbook. Other RDBMS may be supported at a later date. This cookbook does not automatically restore database dumps, but does install tools to help with that.


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


  • Debian, Ubuntu
  • Red Hat, CentOS, Scientific, Fedora


The following Opscode cookbooks are dependencies:

  • mysql
  • postgresql
  • xfs
  • aws


These resources aim to expose an abstraction layer for interacting with different RDBMS in a general way. Currently the cookbook ships with providers for MySQL, PostgreSQL and SQL Server. Please see specific usage in the Example sections below. The providers use specific Ruby gems to execute commands and carry out actions. These gems will need to be installed before the providers can operate correctly. Specific notes for each RDBS flavor:

  • MySQL: leverages the mysql gem which is installed as part of the mysql::client recipe.
  • PostgreSQL: leverages the pg gem which is installed as part of the postgresql::client recipe.
  • SQL Server: leverages the tiny_tds gem which is installed as part of the sql_server::client recipe.


Manage databases in a RDBMS. Use the proper shortcut resource depending on your RDBMS: mysql_database, postgresql_database or sql_server_database.


  • :create: create a named database
  • :drop: drop a named database
  • :query: execute an arbitrary query against a named database

Attribute Parameters

  • database_name: name attribute. Name of the database to interact with
  • connection: hash of connection info. valid keys include :host, :port, :username, :password
  • sql: string of sql to execute against the database. used by :query action only


  • Chef::Provider::Database::Mysql: shortcut resource mysql_database
  • Chef::Provider::Database::Postgresql: shortcut resource postgresql_database
  • Chef::Provider::Database::SqlServer: shortcut resource sql_server_database


# create a mysql database
mysql_database 'oracle_rules' do
  connection ({:host => "localhost", :username => 'root', :password => node['mysql']['server_root_password']})
  action :create

# create a sql server database
sql_server_database 'mr_softie' do
  connection ({:host => "", :port => node['sql_server']['port'], :username => 'sa', :password => node['sql_server']['server_sa_password']})
  action :create

# create a postgresql database
postgresql_database 'mr_softie' do
  connection ({:host => "", :port => 5432, :username => 'postgres', :password => node['postgresql']['password']['postgres']})
  action :create

# create a postgresql database with additional parameters
postgresql_database 'mr_softie' do
  connection ({:host => "", :port => 5432, :username => 'postgres', :password => node['postgresql']['password']['postgres']})
  template 'DEFAULT'
  encoding 'DEFAULT'
  tablespace 'DEFAULT'
  connection_limit '-1'
  owner 'postgres'
  action :create

# externalize conection info in a ruby hash
mysql_connection_info = {:host => "localhost", :username => 'root', :password => node['mysql']['server_root_password']}
sql_server_connection_info = {:host => "localhost", :port => node['sql_server']['port'], :username => 'sa', :password => node['sql_server']['server_sa_password']}
postgresql_connection_info = {:host => "", :port => 5432, :username => 'postgres', :password => node['postgresql']['password']['postgres']}

# same create commands, connection info as an external hash
mysql_database 'foo' do
  connection mysql_connection_info
  action :create
sql_server_database 'foo' do
  connection sql_server_connection_info
  action :create
postgresql_database 'foo' do
  connection postgresql_connection_info
  action :create

# create database, set provider in resource parameter
database 'bar' do
   connection mysql_connection_info
   provider Chef::Provider::Database::Mysql
   action :create
database 'bar' do
  connection sql_server_connection_info
  provider Chef::Provider::Database::SqlServer
  action :create
database 'bar' do
  connection postgresql_connection_info
  provider Chef::Provider::Database::Postgresql
  action :create

# drop a database
mysql_database "baz" do
  connection mysql_connection_info
  action :drop

# query a database
mysql_database "flush the privileges" do
  connection mysql_connection_info
  sql "flush privileges"
  action :query

# vacuum a postgres database
postgres_database "vacuum databases" do
  connection postgresql_connection_info
  database_table "template1"
  action :query


Manage users and user privileges in a RDBMS. Use the proper shortcut resource depending on your RDBMS: mysql_database_user or sql_server_database_user.


  • :create: create a user
  • :drop: drop a user
  • :grant: manipulate user privileges on database objects

Attribute Parameters

  • username: name attribute. Name of the database user
  • password: password for the user account
  • database_name: Name of the database to interact with
  • connection: hash of connection info. valid keys include :host, :port, :username, :password
  • privileges: array of database privileges to grant user. used by the :grant action. default is :all
  • host: host where user connections are allowed from. used by MySQL provider only. default is 'localhost'
  • table: table to grant privileges on. used by :grant action and MySQL provider only. default is '*' (all tables)


  • Chef::Provider::Database::MysqlUser: shortcut resource mysql_database_user
  • Chef::Provider::Database::SqlServerUser: shortcut resource sql_server_database_user


# create connection info as an external ruby hash
mysql_connection_info = {:host => "localhost", :username => 'root', :password => node['mysql']['server_root_password']}
sql_server_connection_info = {:host => "localhost", :port => node['sql_server']['port'], :username => 'sa', :password => node['sql_server']['server_sa_password']}

# create a mysql user but grant no priveleges
mysql_database_user 'disenfranchised' do
  connection mysql_connection_info
  password 'super_secret'
  action :create

# do the same but pass the provider to the database resource
database_user 'disenfranchised' do
  connection mysql_connection_info
  password 'super_secret'
  provider Chef::Provider::Database::MysqlUser
  action :create

# create a sql server user but grant no priveleges
sql_server_database_user 'disenfranchised' do
  connection sql_server_connection_info
  password 'super_secret'
  action :create

# drop a mysql user
mysql_database_user "foo_user" do
  connection mysql_connection_info
  action :drop

# bulk drop sql server users
%w{ disenfranchised foo_user }.each do |user|
  sql_server_database_user user do
    connection sql_server_connection_info
    action :drop

# grant select,update,insert privileges to all tables in foo db from all hosts
mysql_database_user 'foo_user' do
  connection mysql_connection_info
  password 'super_secret'
  database_name 'foo'
  host '%'
  privileges [:select,:update,:insert]
  action :grant

# grant all privelages on all databases/tables from localhost
mysql_database_user 'super_user' do
  connection mysql_connection_info
  password 'super_secret'
  action :grant

# grant select,update,insert privileges to all tables in foo db
sql_server_database_user 'foo_user' do
  connection sql_server_connection_info
  password 'super_secret'
  database_name 'foo'
  privileges [:select,:update,:insert]
  action :grant



Loads the aws information from the data bag. Searches the applications data bag for the database master or slave role and checks that role is applied to the node. Loads the EBS information and the master information from data bags. Uses the aws cookbook LWRP, aws_ebs_volume to manage the volume.

On a master node:
* if we have an ebs volume already as stored in a data bag, attach it.
* if we don't have the ebs information then create a new one and attach it.
* store the volume information in a data bag via a ruby block.

On a slave node:
* use the master volume information to generate a snapshot.
* create the new volume from the snapshot and attach it.

Also on a master node, generate some configuration for running a snapshot via chef-solo from cron.

On a new filesystem volume, create as XFS, then mount it in /mnt, and also bind-mount it to the mysql data directory (default /var/lib/mysql).


This recipe no longer loads AWS specific information, and the database position for replication is no longer stored in a databag because the client might not have permission to write to the databag item. This may be handled in a different way at a future date.

Searches the apps databag for applications, and for each one it will check that the specified database master role is set in both the databag and applied to the node's run list. Then, retrieves the passwords for root, repl and debian users and saves them to the node attributes. If the passwords are not found in the databag, it prints a message that they'll be generated by the mysql cookbook.

Then it adds the application databag database settings to a hash, to use later.

Then it will iterate over the databases and create them with the mysql_database resource while adding privileges for application specific database users using the mysql_database_user resource.


TODO: Retrieve the master status from a data bag, then start replication using a ruby block. The replication status needs to be handled in some other way for now since the master recipe above doesn't actually set it in the databag anymore.


Run via Chef Solo. Retrieves the db snapshot configuration from the specified JSON file. Uses the mysql_database resource to lock and unlock tables, and does a filesystem freeze and EBS snapshot.

Deprecated Recipes

The following recipe is considered deprecated. It is kept for reference purposes.


Older style of doing mysql snapshot and replication using Adam Jacob's ec2_mysql script and library.

Data Bags

This cookbook uses the apps data bag item for the specified application; see the application cookbook's It also creates data bag items in a bag named 'aws' for storing volume information. In order to interact with EC2, it expects aws to have a main item:

  "id": "main",
  "ec2_private_key": "private key as a string",
  "ec2_cert": "certificate as a string",
  "aws_account_id": "",
  "aws_secret_access_key": "",
  "aws_access_key_id": ""

Note: with the Open Source Chef Server, the server using the database recipes must be an admin client or it will not be able to create data bag items. You can modify whether the client is admin by editing it with knife.

knife client edit 
  "admin": true

This is not required if the Chef Server is the Opscode Platform, instead use the ACL feature to modify access for the node to be able to update the data bag.


Aside from the application data bag (see the README in the application cookbook), create a role for the database master. Use a role.rb in your chef-repo, or create the role directly with knife.

% knife role show my_app_database_master -Fj
  "name": "my_app_database_master",
  "chef_type": "role",
  "json_class": "Chef::Role",
  "default_attributes": {
  "description": "",
  "run_list": [
  "override_attributes": {

Create a production environment. This is also used in the application cookbook.

% knife environment show production -Fj
  "name": "production",
  "description": "",
  "cookbook_versions": {
  "json_class": "Chef::Environment",
  "chef_type": "environment",
  "default_attributes": {
  "override_attributes": {

The cookbook my_app_database is recommended to set up any application specific database resources such as configuration templates, trending monitors, etc. It is not required, but you would need to create it separately in site-cookbooks. Add it to the my_app_database_master role.

License and Author

Author:: Adam Jacob (
Author:: Joshua Timberman (
Author:: AJ Christensen (
Author:: Seth Chisamore (
Author:: Lamont Granquist (

Copyright 2009-2011, 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

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
See the License for the specific language governing permissions and
limitations under the License.

Dependent cookbooks

mysql >= 1.2.0
postgresql >= 0.0.0
aws >= 0.0.0
xfs >= 0.0.0

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