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autoload :Inspec, "inspec"
require_relative "default_attributes"
class Chef
module Compliance
class Runner < EventDispatch::Base
extend Forwardable
SUPPORTED_REPORTERS = %w{chef-automate chef-server-automate json-file audit-enforcer cli}.freeze
SUPPORTED_FETCHERS = %w{chef-automate chef-server}.freeze
attr_accessor :run_id
attr_reader :node
def_delegators :node, :logger
def enabled?
return false if @node.nil?
# Did we parse the libraries file from the audit cookbook? This class dates back to when Chef Automate was
# renamed from Chef Visibility in 2017, so should capture all modern versions of the audit cookbook.
audit_cookbook_present = defined?(::Reporter::ChefAutomate)
logger.debug("#{self.class}##{__method__}: #{Inspec::Dist::PRODUCT_NAME} profiles? #{inspec_profiles.any?}")
logger.debug("#{self.class}##{__method__}: audit cookbook? #{audit_cookbook_present}")
logger.debug("#{self.class}##{__method__}: compliance phase attr? #{node["audit"]["compliance_phase"]}")
if node["audit"]["compliance_phase"].nil?
inspec_profiles.any? && !audit_cookbook_present
else
node["audit"]["compliance_phase"]
end
end
def node=(node)
@node = node
node.default["audit"] = Chef::Compliance::DEFAULT_ATTRIBUTES.merge(node.default["audit"])
end
def node_load_completed(node, _expanded_run_list, _config)
self.node = node
end
def run_started(run_status)
self.run_id = run_status.run_id
end
def converge_start(run_context)
# With all attributes - including cookbook - loaded, we now have enough data to validate
# configuration. Because the converge is best coupled with the associated compliance run, these validations
# will raise (and abort the converge) if the compliance phase configuration is incorrect/will
# prevent compliance phase from completing and submitting its report to all configured reporters.
# can abort the converge if the compliance phase configuration (node attributes and client config)
load_and_validate!
end
def run_completed(_node, _run_status)
return unless enabled?
logger.debug("#{self.class}##{__method__}: enabling Compliance Phase")
report
end
def run_failed(_exception, _run_status)
# If the run has failed because our own validation of compliance
# phase configuration has failed, we don't want to submit a report
# because we're still not configured correctly.
return unless enabled? && @validation_passed
logger.debug("#{self.class}##{__method__}: enabling Compliance Phase")
report
end
### Below code adapted from audit cookbook's files/default/handler/audit_report.rb
DEPRECATED_CONFIG_VALUES = %w{
attributes_save
fail_if_not_present
inspec_gem_source
inspec_version
interval
owner
raise_if_unreachable
}.freeze
def warn_for_deprecated_config_values!
deprecated_config_values = (node["audit"].keys & DEPRECATED_CONFIG_VALUES)
if deprecated_config_values.any?
values = deprecated_config_values.sort.map { |v| "'#{v}'" }.join(", ")
logger.warn "audit cookbook config values #{values} are not supported in #{ChefUtils::Dist::Infra::PRODUCT}'s Compliance Phase."
end
end
def report(report = nil)
logger.info "Starting Chef Infra Compliance Phase"
report ||= generate_report
# This is invoked at report-time instead of with the normal validations at node loaded,
# because we want to ensure that it is visible in the output - and not lost in back-scroll.
warn_for_deprecated_config_values!
if report.empty?
logger.error "Compliance report was not generated properly, skipped reporting"
return
end
Array(node["audit"]["reporter"]).each do |reporter_type|
logger.info "Reporting to #{reporter_type}"
@reporters[reporter_type].send_report(report)
end
logger.info "Chef Infra Compliance Phase Complete"
end
def inputs_from_attributes
if !node["audit"]["inputs"].empty?
node["audit"]["inputs"].to_h
else
node["audit"]["attributes"].to_h
end
end
def inspec_opts
inputs = inputs_from_attributes
if node["audit"]["chef_node_attribute_enabled"]
inputs["chef_node"] = node.to_h
inputs["chef_node"]["chef_environment"] = node.chef_environment
end
{
backend_cache: node["audit"]["inspec_backend_cache"],
inputs: inputs,
logger: logger,
output: node["audit"]["quiet"] ? ::File::NULL : STDOUT,
report: true,
reporter: ["json-automate"],
reporter_backtrace_inclusion: node["audit"]["result_include_backtrace"],
reporter_message_truncation: node["audit"]["result_message_limit"],
waiver_file: Array(node["audit"]["waiver_file"]),
}
end
def inspec_profiles
profiles = node["audit"]["profiles"]
unless profiles.respond_to?(:map) && profiles.all? { |_, p| p.respond_to?(:transform_keys) && p.respond_to?(:update) }
raise "CMPL010: #{Inspec::Dist::PRODUCT_NAME} profiles specified in an unrecognized format, expected a hash of hashes."
end
profiles.map do |name, profile|
profile.transform_keys(&:to_sym).update(name: name)
end
end
def load_fetchers!
case node["audit"]["fetcher"]
when "chef-automate"
require_relative "fetcher/automate"
when "chef-server"
require_relative "fetcher/chef_server"
when nil
# intentionally blank
end
end
def generate_report(opts: inspec_opts, profiles: inspec_profiles)
load_fetchers!
logger.debug "Options are set to: #{opts}"
runner = ::Inspec::Runner.new(opts)
if profiles.empty?
failed_report("No #{Inspec::Dist::PRODUCT_NAME} profiles are defined.")
return
end
profiles.each { |target| runner.add_target(target) }
logger.info "Running profiles from: #{profiles.inspect}"
runner.run
runner.report.tap do |r|
logger.debug "Compliance Phase report #{r}"
end
rescue Inspec::FetcherFailure => e
failed_report("Cannot fetch all profiles: #{profiles}. Please make sure you're authenticated and the server is reachable. #{e.message}")
rescue => e
failed_report(e.message)
end
# In case InSpec raises a runtime exception without providing a valid report,
# we make one up and add two new fields to it: `status` and `status_message`
def failed_report(err)
logger.error "#{Inspec::Dist::PRODUCT_NAME} has raised a runtime exception. Generating a minimal failed report."
logger.error err
{
"platform": {
"name": "unknown",
"release": "unknown",
},
"profiles": [],
"statistics": {
"duration": 0.0000001,
},
"version": Inspec::VERSION,
"status": "failed",
"status_message": err,
}
end
# extracts relevant node data
def node_info
chef_server_uri = URI(Chef::Config[:chef_server_url])
runlist_roles = node.run_list.select { |item| item.type == :role }.map(&:name)
runlist_recipes = node.run_list.select { |item| item.type == :recipe }.map(&:name)
{
node: node.name,
os: {
release: node["platform_version"],
family: node["platform"],
},
environment: node.environment,
roles: runlist_roles,
recipes: runlist_recipes,
policy_name: node.policy_name || "",
policy_group: node.policy_group || "",
chef_tags: node.tags,
organization_name: chef_server_uri.path.split("/").last || "",
source_fqdn: chef_server_uri.host || "",
ipaddress: node["ipaddress"],
fqdn: node["fqdn"],
}
end
def reporter(reporter_type)
case reporter_type
when "chef-automate"
require_relative "reporter/automate"
opts = {
control_results_limit: node["audit"]["control_results_limit"],
entity_uuid: node["chef_guid"],
insecure: node["audit"]["insecure"],
node_info: node_info,
run_id: run_id,
run_time_limit: node["audit"]["run_time_limit"],
}
Chef::Compliance::Reporter::Automate.new(opts)
when "chef-server-automate"
require_relative "reporter/chef_server_automate"
opts = {
control_results_limit: node["audit"]["control_results_limit"],
entity_uuid: node["chef_guid"],
insecure: node["audit"]["insecure"],
node_info: node_info,
run_id: run_id,
run_time_limit: node["audit"]["run_time_limit"],
url: chef_server_automate_url,
}
Chef::Compliance::Reporter::ChefServerAutomate.new(opts)
when "json-file"
require_relative "reporter/json_file"
path = node.dig("audit", "json_file", "location")
Chef::Compliance::Reporter::JsonFile.new(file: path)
when "audit-enforcer"
require_relative "reporter/compliance_enforcer"
Chef::Compliance::Reporter::ComplianceEnforcer.new
when "cli"
require_relative "reporter/cli"
Chef::Compliance::Reporter::Cli.new
end
end
def chef_server_automate_url
url = if node["audit"]["server"]
URI(node["audit"]["server"])
else
URI(Chef::Config[:chef_server_url]).tap do |u|
u.path = ""
end
end
org = Chef::Config[:chef_server_url].split("/").last
url.path = File.join(url.path, "organizations/#{org}/data-collector")
url
end
# Load the resources required for this runner, and validate configuration
# is correct to proceed. Requires node state to be loaded.
# Will raise exception if fetcher is not valid, if a reporter is not valid,
# or the configuration required by a reporter is not provided.
def load_and_validate!
return unless enabled?
@reporters = {}
# Note that the docs don't say you can use an array, but our implementation
# supports it.
Array(node["audit"]["reporter"]).each do |type|
unless SUPPORTED_REPORTERS.include? type
raise "CMPL003: '#{type}' found in node['audit']['reporter'] is not a supported reporter for Compliance Phase. Supported reporters are: #{SUPPORTED_REPORTERS.join(", ")}. For more information, see the documentation at https://docs.chef.io/chef_compliance_phase#reporters"
end
@reporters[type] = reporter(type)
@reporters[type].validate_config!
end
unless (fetcher = node["audit"]["fetcher"]).nil?
unless SUPPORTED_FETCHERS.include? fetcher
raise "CMPL002: Unrecognized Compliance Phase fetcher (node['audit']['fetcher'] = #{fetcher}). Supported fetchers are: #{SUPPORTED_FETCHERS.join(", ")}, or nil. For more information, see the documentation at https://docs.chef.io/chef_compliance_phase#fetch-profiles"
end
end
if !node["audit"]["attributes"].empty? && !node["audit"]["inputs"].empty?
raise "CMPL011: both node['audit']['inputs'] and node['audit']['attributes'] are set. The node['audit']['attributes'] setting is deprecated and should not be used."
end
@validation_passed = true
end
end
end
end
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