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 37

def initialize(conf = {})
  @rules = []
  @conf = conf.dup
  @conf[:logger] ||= Logger.new(nil)
  @target_profiles = []
  @controls = @conf[:controls] || []
  @depends = @conf[:depends] || []
  @ignore_supports = @conf[:ignore_supports]
  @create_lockfile = @conf[:create_lockfile]
  @cache = Inspec::Cache.new(@conf[:vendor_cache])
  @test_collector = @conf.delete(:test_collector) || begin
    require 'inspec/runner_rspec'
    RunnerRspec.new(@conf)
  end

  # list of profile attributes
  @attributes = []

  load_attributes(@conf)
  configure_transport
end

Instance Attribute Details

#attributes ⇒ Object (readonly)

Returns the value of attribute attributes.



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# File 'lib/inspec/runner.rb', line 36

def attributes
  @attributes
end

#backend ⇒ Object (readonly)

Returns the value of attribute backend.



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# File 'lib/inspec/runner.rb', line 36

def backend
  @backend
end

#rules ⇒ Object (readonly)

Returns the value of attribute rules.



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# File 'lib/inspec/runner.rb', line 36

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 attributes) 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 170

def add_target(target, _opts = [])
  profile = Inspec::Profile.for_target(target,
                                       vendor_cache: @cache,
                                       backend: @backend,
                                       controls: @controls,
                                       attributes: @conf[:attributes])
  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 199

def all_rules
  @rules
end

#configure_transport ⇒ Object 



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# File 'lib/inspec/runner.rb', line 63

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 213

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
    .map { |x| Inspec::Profile.for_path(x, { profile_context: ctx }) }
    .each(&:load_libraries)

  ctx.load(command)
end

#load ⇒ Object 



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# File 'lib/inspec/runner.rb', line 76

def load
  all_controls = []

  @target_profiles.each do |profile|
    @test_collector.add_profile(profile)
    write_lockfile(profile) if @create_lockfile
    profile.locked_dependencies
    profile_context = profile.load_libraries

    profile_context.dependencies.list.values.each do |requirement|
      @test_collector.add_profile(requirement.profile)
    end

    @attributes |= profile.runner_context.attributes
    all_controls += profile.collect_tests
  end

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

#load_attributes(options) ⇒ Object

determine all attributes before the execution, fetch data from secrets backend



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# File 'lib/inspec/runner.rb', line 121

def load_attributes(options)
  options[:attributes] ||= {}

  secrets_targets = options[:attrs]
  return options[:attributes] if secrets_targets.nil?

  secrets_targets.each do |target|
    validate_attributes_file_readability!(target)

    secrets = Inspec::SecretsBackend.resolve(target)
    if secrets.nil?
      raise Inspec::Exceptions::SecretsBackendNotFound,
            "Cannot find parser for attributes file '#{target}'. " \
            'Check to make sure file has the appropriate extension.'
    end

    next if secrets.attributes.nil?
    options[:attributes].merge!(secrets.attributes)
  end

  options[:attributes]
end

#register_rules(ctx) ⇒ Object 



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# File 'lib/inspec/runner.rb', line 203

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

#reset ⇒ Object 



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# File 'lib/inspec/runner.rb', line 68

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 98

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 116

def run_tests(with = nil)
  @test_collector.run(with)
end

#supports_profile?(profile) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/inspec/runner.rb', line 180

def supports_profile?(profile)
  return true if @ignore_supports

  if !profile.supports_runtime?
    raise 'This profile requires InSpec version '\
         "#{profile.metadata.inspec_requirement}. You are running "\
         "InSpec v#{Inspec::VERSION}.\n"
  end

  if !profile.supports_platform?
    raise "This OS/platform (#{@backend.platform.name}/#{@backend.platform.release}) is not supported by this profile."
  end

  true
end

#tests ⇒ Object 



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# File 'lib/inspec/runner.rb', line 59

def tests
  @test_collector.tests
end

#write_lockfile(profile) ⇒ Object 



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# File 'lib/inspec/runner.rb', line 104

def write_lockfile(profile)
  return false if !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