#!/usr/bin/env ruby # # check-java-keystore-cert # # DESCRIPTION: # Check when a certificate stored in a Java Keystore will expire # # OUTPUT: # plain text # # PLATFORMS: # Linux # # DEPENDENCIES: # gem: sensu-plugin # # USAGE: # example commands # # NOTES: # Does it behave differently on specific platforms, specific use cases, etc # require 'date' require 'shellwords' require 'sensu-plugin/check/cli' class CheckJavaKeystoreCert < Sensu::Plugin::Check::CLI option :path, long: '--path PATH', description: '', required: true option :alias, long: '--alias ALIAS', description: '', required: true option :password, long: '--password PASSWORD', description: '', required: true option :warning, long: '--warning DAYS', description: '', proc: proc { |v| v.to_i }, required: true option :critical, long: '--critical DAYS', description: '', proc: proc { |v| v.to_i }, required: true def certificate_expiration_date result = `keytool -keystore #{Shellwords.escape(config[:path])} \ -export -alias #{Shellwords.escape(config[:alias])} \ -storepass #{Shellwords.escape(config[:password])} -rfc 2>&1 | \ openssl x509 -enddate -noout 2>&1` # rubocop:disable Style/SpecialGlobalVars unknown 'could not get certificate from keystore' unless $?.success? # rubocop:enable Style/SpecialGlobalVars Date.parse(result.split('=').last) end def validate_opts unknown 'warning cannot be less than critical' if config[:warning] < config[:critical] end def run validate_opts days_until = (certificate_expiration_date - Date.today).to_i if days_until < 0 critical "Expired #{days_until.abs} days ago" elsif days_until < config[:critical] critical "#{days_until} days left" elsif days_until < config[:warning] warning "#{days_until} days left" end ok "#{days_until} days left" end end