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Infrastructure Behavior Testing Framework
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 Dependencies

Development

~> 1.5
>= 0
>= 0

Runtime

 Project Readme

Infrataster

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Infrastructure Behavior Testing Framework.

Basic Usage with Vagrant

First, create Gemfile:

source 'https://rubygems.org'

gem 'infrataster'

Install gems:

$ bundle install

Install Vagrant: Official Docs

Create Vagrantfile:

# Vagrantfile
Vagrant.configure("2") do |config|
  config.vm.box = "hashicorp/precise64"

  config.vm.define :proxy do |c|
    c.vm.network "private_network", ip: "192.168.33.10"
    c.vm.network "private_network", ip: "172.16.33.10", virtualbox__intnet: "infrataster-example"
  end

  config.vm.define :app do |c|
    c.vm.network "private_network", ip: "172.16.33.11", virtualbox__intnet: "infrataster-example"
  end
end

Start VMs:

$ vagrant up

Initialize rspec directory:

$ rspec --init
  create   spec/spec_helper.rb
  create   .rspec

require 'infrataster/rspec' and define target servers for testing in spec/spec_helper.rb:

# spec/spec_helper.rb
require 'infrataster/rspec'

Infrataster::Server.define(
  :proxy,           # name
  '192.168.0.0/16', # ip address
  vagrant: true     # for vagrant VM
)
Infrataster::Server.define(
  :app,             # name
  '172.16.0.0/16',  # ip address
  vagrant: true,    # for vagrant VM
  from: :proxy      # access to this machine via SSH port forwarding from proxy
)

# Code generated by `rspec --init` is following...

Or

# spec/spec_helper.rb
require 'infrataster/rspec'

Infrataster::Server.define(:proxy) do |server|
    server.address = '192.168.0.0/16'
    server.vagrant = true
end
Infrataster::Server.define(:app) do |server|
    server.address = '172.16.0.0/16'
    server.vagrant = true
    server.from = :proxy
end

# Code generated by `rspec --init` is following...

Then, you can write spec files:

# spec/example_spec.rb
require 'spec_helper'

describe server(:app) do
  describe http('http://app') do
    it "responds content including 'Hello Sinatra'" do
      expect(response.body).to include('Hello Sinatra')
    end
    it "responds as 'text/html'" do
      expect(response.headers['content-type']).to eq("text/html")
    end
  end
end

Run tests:

$ bundle exec rspec
2 examples, 2 failures

Currently, the tests failed because the VM doesn't respond to HTTP request.

It's time to write provisioning instruction like Chef's cookbooks or Puppet's manifests!

Server

"Server" is a server you tests. This supports Vagrant, which is very useful to run servers for testing. Of course, you can test real servers.

You should define servers in spec_helper.rb like the following:

Infrataster::Server.define(
  # Name of the server, this will be used in the spec files.
  :proxy,
  # IP address of the server
  '192.168.0.0/16',
  # If the server is provided by vagrant and this option is true,
  # SSH configuration to connect to this server is got from `vagrant ssh-config` command automatically.
  vagrant: true,
)

Infrataster::Server.define(
  # Name of the server, this will be used in the spec files.
  :app,
  # IP address of the server
  '172.16.0.0/16',
  # If the server is provided by vagrant and this option is true,
  # SSH configuration to connect to this server is got from `vagrant ssh-config` command automatically.
  vagrant: true,
  # Which gateway is used to connect to this server by SSH port forwarding?
  from: :proxy,
  # options for resources
  mysql: {user: 'app', password: 'app'},
)

You can specify SSH configuration manually too:

Infrataster::Server.define(
  # ...
  ssh: {host_name: 'hostname', user: 'testuser', keys: ['/path/to/id_rsa']}
)

fuzzy IP address

Infrataster has "fuzzy IP address" feature. You can pass IP address which has netmask (= CIDR) to Infrataster::Server#define. This needs vagrant option or ssh option which has host_name because this fetches all IP address via SSH and find the matching one.

Infrataster::Server.define(
  :app,
  # find IP address matching 172.16.0.0 ~ 172.16.255.255
  '172.16.0.0/16',
)

Of course, you can set fully-specified IP address too.

Infrataster::Server.define(
  :app,
  '172.16.11.22',
  # or
  '172.16.11.22/32',
)

#ssh_exec

You can execute a command on the server like the following:

describe server(:proxy) do
  let(:time) { Time.now }
  before do
    current_server.ssh_exec "echo 'Hello' > /tmp/test-#{time.to_i}"
  end
  it "executes a command on the current server" do
    result = current_server.ssh_exec("cat /tmp/test-#{time.to_i}")
    expect(result.chomp).to eq('Hello')
  end
end

This is useful to test cases which depends on the status of the server.

Resources

"Resource" is what you test by Infrataster. For instance, the following code describes http resource.

describe server(:app) do
  describe http('http://example.com') do
    it "responds content including 'Hello Sinatra'" do
      expect(response.body).to include('Hello Sinatra')
    end
  end
end

http resource

http resource tests HTTP response when sending HTTP request. It accepts method, params and header as options.

describe server(:app) do
  describe http(
    'http://app.example.com',
    method: :post,
    params: {'foo' => 'bar'},
    headers: {'USER' => 'VALUE'}
  ) do
    it "responds with content including 'app'" do
      expect(response.body).to include('app')

      # `response` is a instance of `Faraday::Response`
      # See: https://github.com/lostisland/faraday/blob/master/lib/faraday/response.rb
    end
  end

  # Gzip support
  describe http('http://app.example.com/gzipped') do
    it "responds with content deflated by gzip" do
      expect(response.headers['content-encoding']).to eq('gzip')
    end
  end

  describe http('http://app.example.com/gzipped', inflate_gzip: true) do
    it "responds with content inflated automatically" do
      expect(response.headers['content-encoding']).to be_nil
      expect(response.body).to eq('plain text')
    end
  end

  # Redirects
  describe http('http://app.example.com/redirect', follow_redirects: true) do
    it "follows redirects" do
      expect(response.status).to eq(200)
    end
  end

  # Custom Faraday middleware
  describe http('http://app.example.com', faraday_middlewares: [
    YourMiddleware,
    [YourMiddleware, options]
  ]) do
    it "uses the middlewares" do
      expect(response.status).to eq(200)
    end
  end
end

capybara resource

capybara resource tests your web application by simulating real user's interaction.

describe server(:app) do
  describe capybara('http://app.example.com') do
    it 'shows food list' do
      visit '/'
      click_link 'Foods'
      expect(page).to have_content 'Yummy Soup'
    end
  end
end

mysql_query resource

mysql_query resource is now in infrataster-plugin-mysql.

pgsql_query resource

pgsql_query resource sends a query to PostgreSQL server.

pgsql_query is provided by infrataster-plugin-pgsql by @SnehaM.

dns resource

dns resource sends a query to DNS server.

dns is provided by infrataster-plugin-dns by @otahi.

memcached resource

memcached resource sends a query to memcached server.

memcached is provided by infrataster-plugin-memecached by @rahulkhengare.

redis resource

redis resource sends a query to redis server.

redis is provided by infrataster-plugin-redis by @rahulkhengare.

firewall resource

firewall resource tests your firewalls.

firewall is provided by infrataster-plugin-firewall by @otahi.

Example

Tests

Unit Tests

Unit tests are under spec/unit directory.

$ bundle exec rake spec:unit

Integration Tests

Integration tests are under spec/integration directory.

$ bundle exec rake spec:integration:prepare
$ bundle exec rake spec:integration

Presentations and Articles

Introducing Infrataster

Changelog

Changelog

Contributing

  1. Fork it ( http://github.com/ryotarai/infrataster/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request