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|
class Chef
module Compliance
module Reporter
#
# Used to send inspec reports to Chef Automate via the data_collector service
#
class Automate
def initialize(opts)
@entity_uuid = opts[:entity_uuid]
@run_id = opts[:run_id]
@node_name = opts[:node_info][:node]
@environment = opts[:node_info][:environment]
@roles = opts[:node_info][:roles]
@recipes = opts[:node_info][:recipes]
@insecure = opts[:insecure]
@chef_tags = opts[:node_info][:chef_tags]
@policy_group = opts[:node_info][:policy_group]
@policy_name = opts[:node_info][:policy_name]
@source_fqdn = opts[:node_info][:source_fqdn]
@organization_name = opts[:node_info][:organization_name]
@ipaddress = opts[:node_info][:ipaddress]
@fqdn = opts[:node_info][:fqdn]
@run_time_limit = opts[:run_time_limit]
@control_results_limit = opts[:control_results_limit]
@timestamp = opts.fetch(:timestamp) { Time.now }
@url = Chef::Config[:data_collector][:server_url]
@token = Chef::Config[:data_collector][:token]
end
# Method used in order to send the inspec report to the data_collector server
def send_report(report)
unless @entity_uuid && @run_id
Chef::Log.error "entity_uuid(#{@entity_uuid}) or run_id(#{@run_id}) can't be nil, not sending report to #{ChefUtils::Dist::Automate::PRODUCT}"
return false
end
unless @url && @token
Chef::Log.warn "data_collector.token and data_collector.server_url must be defined in client.rb!"
Chef::Log.warn "Further information: https://github.com/chef-cookbooks/audit#direct-reporting-to-chef-automate"
return false
end
headers = {
"Content-Type" => "application/json",
"x-data-collector-auth" => "version=1.0",
"x-data-collector-token" => @token,
}
all_report_shas = report[:profiles].map { |p| p[:sha256] }
missing_report_shas = missing_automate_profiles(headers, all_report_shas)
full_report = truncate_controls_results(enriched_report(report), @control_results_limit)
full_report = strip_profiles_meta(full_report, missing_report_shas, @run_time_limit)
json_report = Chef::JSONCompat.to_json(full_report, validate_utf8: false)
# Automate GRPC currently has a message limit of ~4MB
# https://github.com/chef/automate/issues/1417#issuecomment-541908157
if json_report.bytesize > 4 * 1024 * 1024
Chef::Log.warn "Generated report size is #{(json_report.bytesize / (1024 * 1024.0)).round(2)} MB. #{ChefUtils::Dist::Automate::PRODUCT} has an internal 4MB limit that is not currently configurable."
end
unless json_report
Chef::Log.warn "Something went wrong, report can't be nil"
return false
end
begin
Chef::Log.info "Report to #{ChefUtils::Dist::Automate::PRODUCT}: #{@url}"
Chef::Log.debug "Compliance Report: #{json_report}"
http_client.post(nil, json_report, headers)
true
rescue => e
Chef::Log.error "send_report: POST to #{@url} returned: #{e.message}"
false
end
end
def http_client(url = @url)
if @insecure
Chef::HTTP.new(url, ssl_verify_mode: :verify_none)
else
Chef::HTTP.new(url)
end
end
def enriched_report(final_report)
final_report[:profiles].compact!
# Label this content as an inspec_report
final_report[:type] = "inspec_report"
final_report[:node_name] = @node_name
final_report[:end_time] = @timestamp.utc.strftime("%FT%TZ")
final_report[:node_uuid] = @entity_uuid
final_report[:environment] = @environment
final_report[:roles] = @roles
final_report[:recipes] = @recipes
final_report[:report_uuid] = @run_id
final_report[:source_fqdn] = @source_fqdn
final_report[:organization_name] = @organization_name
final_report[:policy_group] = @policy_group
final_report[:policy_name] = @policy_name
final_report[:chef_tags] = @chef_tags
final_report[:ipaddress] = @ipaddress
final_report[:fqdn] = @fqdn
final_report
end
CONTROL_RESULT_SORT_ORDER = %w{ failed skipped passed }.freeze
# Truncates the number of results per control in the report when they exceed max_results.
# The truncation prioritizes failed and skipped results over passed ones.
# Controls where results have been truncated will get a new object 'removed_results_counts'
# with the status counts of the truncated results
def truncate_controls_results(report, max_results)
return report unless max_results.is_a?(Integer) && max_results > 0
report.fetch(:profiles, []).each do |profile|
profile.fetch(:controls, []).each do |control|
# Only bother with truncation if the number of results exceed max_results
next unless control[:results].length > max_results
res = control[:results]
res.sort_by! { |r| CONTROL_RESULT_SORT_ORDER.index(r[:status]) }
# Count the results that will be truncated
truncated = { failed: 0, skipped: 0, passed: 0 }
(max_results..res.length - 1).each do |i|
case res[i][:status]
when "failed"
truncated[:failed] += 1
when "skipped"
truncated[:skipped] += 1
when "passed"
truncated[:passed] += 1
end
end
# Truncate the results array now
control[:results] = res[0..max_results - 1]
control[:removed_results_counts] = truncated
end
end
report
end
# Contacts the metasearch Automate API to check which of the inspec profile sha256 ids
# passed in via `report_shas` are missing from the Automate profiles metadata database.
def missing_automate_profiles(headers, report_shas)
Chef::Log.debug "Checking the #{ChefUtils::Dist::Automate::PRODUCT} profiles metadata for: #{report_shas}"
meta_url = URI(@url)
meta_url.path = "/compliance/profiles/metasearch"
response_str = http_client(meta_url.to_s).post(nil, "{\"sha256\": #{report_shas}}", headers)
missing_shas = Chef::JSONCompat.parse(response_str)["missing_sha256"]
unless missing_shas.empty?
Chef::Log.info "#{ChefUtils::Dist::Automate::PRODUCT} is missing metadata for the following profile ids: #{missing_shas}"
end
missing_shas
rescue => e
Chef::Log.error "missing_automate_profiles error: #{e.message}"
# If we get an error it's safer to assume none of the profile shas exist in Automate
report_shas
end
# Profile 'name' is a required property.
# By not sending it in the report, we make it clear to the ingestion backend that the profile metadata has been stripped from this profile in the report.
# Profile 'title' and 'version' are still kept for troubleshooting purposes in the backend.
SEEN_PROFILE_UNNECESSARY_FIELDS = %i{ copyright copyright_email groups license maintainer name summary supports}.freeze
SEEN_PROFILE_UNNECESSARY_CONTROL_FIELDS = %i{ code desc descriptions impact refs source_location tags title }.freeze
# TODO: This mutates the report and probably doesn't need to.
def strip_profiles_meta(report, missing_report_shas, run_time_limit)
report[:profiles].each do |p|
next if missing_report_shas.include?(p[:sha256])
p.delete_if { |f| SEEN_PROFILE_UNNECESSARY_FIELDS.include?(f) }
next unless p[:controls].is_a?(Array)
p[:controls].each do |c|
c.delete_if { |f| SEEN_PROFILE_UNNECESSARY_CONTROL_FIELDS.include?(f) }
c.delete(:waiver_data) if c[:waiver_data] == {}
next unless c[:results].is_a?(Array)
c[:results].each do |r|
if r[:run_time].is_a?(Float) && r[:run_time] < run_time_limit
r.delete(:start_time)
r.delete(:run_time)
end
end
end
end
report[:run_time_limit] = run_time_limit
report
end
end
end
end
end
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