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2016-06-07 21:34:54 -05:00

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InSpec: Inspect Your Infrastructure

InSpec is an open-source testing framework for infrastructure with a human- and machine-readable language for specifying compliance, security and policy requirements.

# Disallow insecure protocols by testing

describe package('telnetd') do
  it { should_not be_installed }
end

describe inetd_conf do
  its("telnet") { should eq nil }
end

InSpec makes it easy to run your tests wherever you need. More options listed here: https://github.com/chef/inspec/blob/master/docs/ctl_inspec.rst

# run test locally
inspec exec test.rb

# run test on remote host on SSH
inspec exec test.rb -t ssh://user@hostname -i /path/to/key

# run test on remote windows host on WinRM
inspec exec test.rb -t winrm://Administrator@windowshost --password 'your-password'

# run test on docker container
inspec exec test.rb -t docker://container_id

Features

Built-in Compliance: Compliance no longer occurs at the end of the release cycle
Targeted Tests: InSpec writes tests that specifically target compliance issues
Metadata: Includes the metadata required by security and compliance pros
Easy Testing: Includes a command-line interface to run tests quickly

Installation

InSpec requires Ruby ( >1.9 ).

Install it via rubygems.org

When installing from source, gem dependencies may require ruby build tools to be installed.

For CentOS/RedHat/Fedora:

yum -y install ruby ruby-devel make gcc

For Ubuntu:

apt-get -y install ruby ruby-dev gcc make

To install inspec from rubygems:

gem install inspec

Usage via Docker

Download the image and define an alias for convenience:

docker pull chef/inspec
alias inspec='docker run -it --rm -v $(pwd):/share chef/inspec'

If you call inspec from cli, it automatically mounts the current directory into the work directory. Therefore you can easily use local tests and key files. Note: Only files in the current directory are available to the container.

$ ls -1
vagrant
test.rb


$ inspec exec test.rb -t ssh://root@192.168.64.2:11022 -i vagrant
..

Finished in 0.04321 seconds (files took 0.54917 seconds to load)
2 examples, 0 failures

Install it from source

That requires bundler:

bundle install
bundle exec bin/inspec help

To install it as a gem locally, run:

gem build inspec.gemspec
gem install inspec-*.gem

On Windows, you need to install Ruby with Ruby Development Kit to build dependencies with its native extensions.

Run InSpec

You should now be able to run:

$ inspec --help
Commands:
  inspec archive PATH                # archive a profile to tar.gz (default) ...
  inspec check PATH                  # verify all tests at the specified PATH
  inspec compliance SUBCOMMAND ...   # Chef Compliance commands
  inspec detect                      # detect the target OS
  inspec exec PATH(S)                # run all test files at the specified PATH.
  inspec help [COMMAND]              # Describe available commands or one spe...
  inspec init TEMPLATE ...           # Scaffolds a new project
  inspec json PATH                   # read all tests in PATH and generate a ...
  inspec shell                       # open an interactive debugging shell
  inspec supermarket SUBCOMMAND ...  # Supermarket commands
  inspec version                     # prints the version of this tool

Options:
  [--diagnose], [--no-diagnose]  # Show diagnostics (versions, configurations)

Examples

Only accept requests on secure ports - This test ensures that a web server is only listening on well-secured ports.

describe port(80) do
  it { should_not be_listening }
end

describe port(443) do
  it { should be_listening }
  its('protocols') {should include 'tcp'}
end

Use approved strong ciphers - This test ensures that only enterprise-compliant ciphers are used for SSH servers.

describe sshd_config do
   its('Ciphers') { should eq('chacha20-poly1305@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr') }
end

Test your kitchen.yml file to verify that only Vagrant is configured as the driver.

describe yaml('.kitchen.yml') do
  its('driver.name') { should eq('vagrant') }
end

Also have a look at our examples for:

Command Line Usage

exec

Run tests against different targets:

# run test locally
inspec exec test.rb

# run test on remote host on SSH
inspec exec test.rb -t ssh://user@hostname

# run test on remote windows host on WinRM
inspec exec test.rb -t winrm://Administrator@windowshost --password 'your-password'

# run test on docker container
inspec exec test.rb -t docker://container_id

# run with sudo
inspec exec test.rb --sudo [--sudo-password ...] [--sudo-options ...] [--sudo_command ...]

detect

Verify your configuration and detect

id=$( docker run -dti ubuntu:14.04 /bin/bash )
inspec detect -t docker://$id

Which will provide you with:

{"family":"ubuntu","release":"14.04","arch":null}

Documentation

https://github.com/chef/inspec/tree/master/docs

Blogs:

Podcasts:

You may share your InSpec Profiles in the Tools & Plugins section of the Chef Supermarket. Sign in and add the details of your profile.

You may also browse the Supermarket for shared Compliance Profiles.

Kudos

InSpec is inspired by the wonderful Serverspec project. Kudos to mizzy and all contributors!

Contribute

Fork it
Create your feature branch (git checkout -b my-new-feature)
Commit your changes (git commit -am 'Add some feature')
Push to the branch (git push origin my-new-feature)
Create new Pull Request

Testing InSpec

We perform unit, resource and integration tests.

unit tests ensure the intended behaviour of the implementation
resource tests run against docker containers
integration tests run against VMs via test-kitchen and kitchen-inspec

Unit tests

bundle exec rake test

If you like to run only one test, use

bundle exec ruby -W -Ilib:test test/unit/resources/user_test.rb

Resource tests

Resource tests make sure the backend execution layer behaves as expected. These tests will take a while, as a lot of different operating systems and configurations are being tested.

You will require:

docker

Run resource tests with

bundle exec rake test:resources config=test/test.yaml
bundle exec rake test:resources config=test/test-extra.yaml

Integration tests

These tests download various virtual machines, to ensure InSpec is working as expected across different operating systems.

You will require:

vagrant with virtualbox
test-kitchen

Run integration tests with vagrant:

cd test/integration
bundle exec kitchen test

Run integration tests with AWS EC2:

export AWS_ACCESS_KEY_ID=enteryouryourkey
export AWS_SECRET_ACCESS_KEY=enteryoursecreykey
export AWS_KEYPAIR_NAME=enteryoursshkeyid
export EC2_SSH_KEY_PATH=~/.ssh/id_aws.pem
cd test/integration
KITCHEN_LOCAL_YAML=.kitchen.ec2.yml bundle exec kitchen test

In addition you may need to add your ssh key to .kitchen.ec2.yml

transport:
  ssh_key: /Users/chartmann/aws/aws_chartmann.pem
  username: ec2-user

Chef Delivery Tests

It may be informative to look at what tests Chef Delivery is running for CI.

License

| Author: | Dominik Richter (drichter@chef.io)

| Author: | Christoph Hartmann (chartmann@chef.io)

| License: | Apache License, Version 2.0

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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