Class: Inspec::Runner

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/inspec/runner.rb

Overview

Inspec::Runner coordinates the running of tests and is the main entry point to the application.

Users are expected to insantiate a runner, add targets to be run, and then call the run method:

“‘ r = Inspec::Runner.new() r.add_target(“/path/to/some/profile”) r.add_target(“url/to/some/profile”) r.run “`

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(conf = {}) ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/inspec/runner.rb', line 42

def initialize(conf = {})
  @rules = []
  # If we were handed a Hash config (by audit cookbook or kitchen-inspec),
  # upgrade it to a proper config. This handles a lot of config finalization,
  # like reporter parsing.
  @conf = conf.is_a?(Hash) ? Inspec::Config.new(conf) : conf
  @conf[:logger] ||= Logger.new(nil)
  @target_profiles = []
  @controls = @conf[:controls] || []
  @depends = @conf[:depends] || []
  @create_lockfile = @conf[:create_lockfile]
  @cache = Inspec::Cache.new(@conf[:vendor_cache])

  @test_collector = @conf.delete(:test_collector) || begin
    RunnerRspec.new(@conf)
  end

  # About reading inputs:
  #   @conf gets passed around a lot, eventually to
  # Inspec::InputRegistry.register_external_inputs.
  #
  #   @conf may contain the key :attributes or :inputs, which is to be a Hash
  # of values passed in from the Runner API.
  # This is how kitchen-inspec and the audit_cookbook pass in inputs.
  #
  #   @conf may contain the key :attrs or :input_file, which is to be an Array
  # of file paths, each a YAML file. This how --input-file works.

  configure_transport
end

Instance Attribute Details

#backend ⇒ Object (readonly)

Returns the value of attribute backend.



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# File 'lib/inspec/runner.rb', line 35

def backend
  @backend
end

#rules ⇒ Object (readonly)

Returns the value of attribute rules.



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# File 'lib/inspec/runner.rb', line 35

def rules
  @rules
end

Instance Method Details

#add_target(target, _opts = []) ⇒ Object

add_target allows the user to add a target whose tests will be run when the user calls the run method.

A target is a path or URL that points to a profile. Using this target we generate a Profile and a ProfileContext. The content (libraries, tests, and inputs) from the Profile are loaded into the ProfileContext.

If the profile depends on other profiles, those profiles will be loaded on-demand when include_content or required_content are called using similar code in Inspec::DSL.

Once the we’ve loaded all of the tests files in the profile, we query the profile for the full list of rules. Those rules are registered with the @test_collector which is ultimately responsible for actually running the tests.

TODO: Deduplicate/clarify the loading code that exists in here, the ProfileContext, the Profile, and Inspec::DSL



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# File 'lib/inspec/runner.rb', line 183

def add_target(target, _opts = [])
  profile = Inspec::Profile.for_target(target,
    vendor_cache: @cache,
    backend: @backend,
    controls: @controls,
    runner_conf: @conf)
  raise "Could not resolve #{target} to valid input." if profile.nil?

  @target_profiles << profile if supports_profile?(profile)
end

#all_rules ⇒ Object

In some places we read the rules off of the runner, in other places we read it off of the profile context. To keep the API’s the same, we provide an #all_rules method here as well.



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# File 'lib/inspec/runner.rb', line 207

def all_rules
  @rules
end

#attributes ⇒ Object 



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# File 'lib/inspec/runner.rb', line 37

def attributes
  Inspec.deprecate(:rename_attributes_to_inputs, "Don't call runner.attributes, call runner.inputs")
  inputs
end

#configure_transport ⇒ Object 



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# File 'lib/inspec/runner.rb', line 77

def configure_transport
  @backend = Inspec::Backend.create(@conf)
  @test_collector.backend = @backend
end

#eval_with_virtual_profile(command) ⇒ Object 



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# File 'lib/inspec/runner.rb', line 222

def eval_with_virtual_profile(command)
  require "fetchers/mock"
  add_target({ "inspec.yml" => "name: inspec-shell" })
  our_profile = @target_profiles.first
  ctx = our_profile.runner_context

  # Load local profile dependencies. This is used in inspec shell
  # to provide access to local profiles that add resources.
  @depends.each do |dep|
    # support for windows paths
    dep = dep.tr('\\', "/")
    Inspec::Profile.for_path(dep, { profile_context: ctx }).load_libraries
  end

  ctx.load(command)
end

#load ⇒ Object 



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# File 'lib/inspec/runner.rb', line 90

def load
  all_controls = []

  @target_profiles.each do |profile|
    @test_collector.add_profile(profile)
    next unless profile.supports_platform?

    write_lockfile(profile) if @create_lockfile
    profile.locked_dependencies
    profile_context = profile.load_libraries

    profile_context.dependencies.list.values.each do |requirement|
      unless requirement.profile.supports_platform?
        Inspec::Log.warn "Skipping profile: '#{requirement.profile.name}'" \
         " on unsupported platform: '#{@backend.platform.name}/#{@backend.platform.release}'."
        next
      end
      @test_collector.add_profile(requirement.profile)
    end

    tests = profile.collect_tests
    all_controls += tests unless tests.nil?
  end

  all_controls.each do |rule|
    register_rule(rule) unless rule.nil?
  end
end

#register_rules(ctx) ⇒ Object 



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# File 'lib/inspec/runner.rb', line 211

def register_rules(ctx)
  new_tests = false
  ctx.rules.each do |rule_id, rule|
    next if block_given? && !(yield rule_id, rule)

    new_tests = true
    register_rule(rule)
  end
  new_tests
end

#render_output(run_data) ⇒ Object 



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# File 'lib/inspec/runner.rb', line 125

def render_output(run_data)
  return if @conf["reporter"].nil?

  @conf["reporter"].each do |reporter|
    result = Inspec::Reporters.render(reporter, run_data)
    raise Inspec::ReporterError, "Error generating reporter '#{reporter[0]}'" if result == false
  end
end

#report ⇒ Object 



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# File 'lib/inspec/runner.rb', line 134

def report
  Inspec::Reporters.report(@conf["reporter"].first, @run_data)
end

#reset ⇒ Object 



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# File 'lib/inspec/runner.rb', line 82

def reset
  @test_collector.reset
  @target_profiles.each do |profile|
    profile.runner_context.rules = {}
  end
  @rules = []
end

#run(with = nil) ⇒ Object 



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# File 'lib/inspec/runner.rb', line 119

def run(with = nil)
  Inspec::Log.debug "Starting run with targets: #{@target_profiles.map(&:to_s)}"
  load
  run_tests(with)
end

#run_tests(with = nil) ⇒ Object 



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# File 'lib/inspec/runner.rb', line 150

def run_tests(with = nil)
  @run_data = @test_collector.run(with)
  # dont output anything if we want a report
  render_output(@run_data) unless @conf["report"]
  @test_collector.exit_code
end

#supports_profile?(profile) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/inspec/runner.rb', line 194

def supports_profile?(profile)
  unless profile.supports_runtime?
    raise "This profile requires #{Inspec::Dist::PRODUCT_NAME} version "\
         "#{profile.metadata.inspec_requirement}. You are running "\
         "#{Inspec::Dist::PRODUCT_NAME} v#{Inspec::VERSION}.\n"
  end

  true
end

#tests ⇒ Object 



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# File 'lib/inspec/runner.rb', line 73

def tests
  @test_collector.tests
end

#write_lockfile(profile) ⇒ Object 



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# File 'lib/inspec/runner.rb', line 138

def write_lockfile(profile)
  return false unless profile.writable?

  if profile.lockfile_exists?
    Inspec::Log.debug "Using existing lockfile #{profile.lockfile_path}"
  else
    Inspec::Log.debug "Creating lockfile: #{profile.lockfile_path}"
    lockfile = profile.generate_lockfile
    File.write(profile.lockfile_path, lockfile.to_yaml)
  end
end