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user (17) Versions 0.2.2

A convenient Chef LWRP to manage user accounts and SSH keys (this is not the opscode users cookbook)

Policyfile
Berkshelf
Knife
cookbook 'user', '= 0.2.2', :supermarket
cookbook 'user', '= 0.2.2'
knife supermarket install user
knife supermarket download user
README
Dependencies
Quality -%

Description

A convenient Chef LWRP to manage user accounts and SSH keys. This is not
the Opscode users cookbook.

Requirements

Chef

Tested on 0.10.2 but newer and older version should work just fine. File an
issue if this isn't the case.

Platform

The following platforms have been tested with this cookbook, meaning that the
recipes run on these platforms without error:

  • ubuntu
  • debian
  • mac_os_x

Cookbooks

There are no external cookbook dependencies.

Installation

Depending on the situation and use case there are several ways to install
this cookbook. All the methods listed below assume a tagged version release
is the target, but omit the tags to get the head of development. A valid
Chef repository structure like the Opscode repo is also assumed.

From the Opscode Community Platform

To install this cookbook from the Opscode platform, use the knife command:

knife cookbook site install user

Using Librarian

The Librarian gem aims to be Bundler for your Chef cookbooks.
Include a reference to the cookbook in a Cheffile and run
librarian-chef install. To install with Librarian:

gem install librarian
cd chef-repo
librarian-chef init
cat >> Cheffile < 'git://github.com/fnichol/chef-user.git', :ref => 'v0.2.2'
END_OF_CHEFFILE
librarian-chef install

Using knife-github-cookbooks

The knife-github-cookbooks gem is a plugin for knife that supports
installing cookbooks directly from a GitHub repository. To install with the
plugin:

gem install knife-github-cookbooks
cd chef-repo
knife cookbook github install fnichol/chef-user/v0.2.2

As a Git Submodule

A common practice (which is getting dated) is to add cookbooks as Git
submodules. This is accomplishes like so:

cd chef-repo
git submodule add git://github.com/fnichol/chef-user.git cookbooks/user
git submodule init && git submodule update

Note: the head of development will be linked here, not a tagged release.

As a Tarball

If the cookbook needs to downloaded temporarily just to be uploaded to a Chef
Server or Opscode Hosted Chef, then a tarball installation might fit the bill:

cd chef-repo/cookbooks
curl -Ls https://github.com/fnichol/chef-user/tarball/v0.2.2 | tar xfz - && \
  mv fnichol-chef-user-* user

Usage

Simply include recipe[user] in your run_list and the user_account
resource will be available.

To use recipe[user::data_bag], include it in your run_list and have a
data bag called "users" with an item like the following:

{
  "id"        : "hsolo",
  "comment"   : "Han Solo",
  "home"      : "/opt/hoth/hsolo",
  "ssh_keys"  : ["123...", "456..."]
}

or a user to be removed:

{
  "id"      : "lando",
  "action"  : "remove"
}

The data bag recipe will iterate through a list of usernames defined in
node['users'] and attempt to pull in the user's information from the data
bag item. In other words, having:

node['users'] = ['hsolo']

will set up the hsolo user information and not use the lando user
information.

Recipes

default

This recipe is a no-op and does nothing.

data_bag

Processes a list of users with data drawn from a data bag. The default data bag
is users and the list of user account to create on this node is set on
node['users'].

Attributes

home_root

The default parent path of a user's home directory. Each resource can override
this value which varies by platform. Generally speaking, the default value is
"/home".

default_shell

The default user shell given to a user. Each resource can override this value
which varies by platform. Generally speaking, the default value is
"/bin/bash".

manage_home

Whether of not to manage the home directory of a user by default. Each resource
can override this value. The are 2 valid states:

  • "true", true, or "yes": will manage the user's home directory.
  • "false", false, or "no": will not manage the user's home directory.

The default is true.

create_user_group

Whether or not to to create a group with the same name as the user by default.
Each resource can override this value. The are 2 valid states:

  • "true", true, or "yes": will create a group for the user by default.
  • "false", false, or "no": will create a group for the user by default.

The default is true.

ssh_keygen

Whether or not to generate an SSH keypair for the user by default. Each
resource can override this value. There are 2 valid states:

  • "true", true, or "yes": will generate an SSH keypair when the account is created.
  • "false", false, or "no": will generate an SSH keypair when the account is created.

The default is true.

data_bag

The data bag name containing a group of user account information. This is used
by the data_bag recipe to use as a database of user accounts. The default is
"users".

Resource and Providers

user_account

Actions

Action Description Default
create Create the user, its home directory, .ssh/authorized_keys, and .ssh/{id_dsa,id_dsa.pub}. Yes
remove Remove the user account.
modify Modiy the user account.
manage Manage the user account.
lock Lock the user's password.
unlock Unlock the user's password.

Attributes

Attribute Description Default value
username Name attribute: The name of the user. nil
comment Gecos/Comment field. nil
uid The numeric user id. nil
gid The primary group id. nil
home Home directory location. "#{node['user']['home_root']}/#{username}
shell The login shell. node['user']['default_shell']
password Shadow hash of password. nil
system_user Whether or not to create a system user. false
manage_home Whether or not to manage the home directory. true
create_group Whether or not to to create a group with the same name as the user. node['user']['create_group']
ssh_keys A String or Array of SSH public keys to populate the user's .ssh/authorized_keys file. []
ssh_keygen Whether or not to generate an SSH keypair for the user. node['user']['ssh_keygen']

Examples

Creating a User Account

user_account 'hsolo' do
  comment   'Han Solo'
  ssh_keys  ['3dc348d9af8027df7b9c...', '2154d3734d609eb5c452...']
  home      '/opt/hoth/hsolo'
end

Locking a User Account

user_account 'lando' do
  action  :lock
end

Removing a User account

user_account 'obiwan' do
  action  :remove
end

Development

Pull requests are very welcome! Make sure your patches are well tested.
Ideally create a topic branch for every separate change you make.

License and Author

Author:: Fletcher Nichol (fnichol@nichol.ca)

Copyright 2011, Fletcher Nichol

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.

Dependent cookbooks

This cookbook has no specified dependencies.

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