run!

in lib/omnibus/health_check.rb [65:218]

• 119 lines of code
• 18 McCabe index (conditional complexity)

    def run!
      unless Config.health_check
        log.info(log_key) { "Health check skipped as specified in config for #{project.name}" }
        return true
      end
      measure("Health check time") do
        log.info(log_key) { "Running health on #{project.name}" }
        bad_libs, good_libs =
          case Ohai["platform"]
          when "mac_os_x"
            health_check_otool
          when "aix"
            health_check_aix
          when "windows"
            
            
            
            log.warn(log_key) { "Skipping dependency health checks on Windows." }
            [{}, {}]
          when "solaris2"
            health_check_solaris
          when "freebsd", "openbsd", "netbsd"
            health_check_freebsd
          else
            health_check_linux
          end

        unresolved = []
        unreliable = []
        detail = []

        if bad_libs.keys.length > 0
          bad_libs.each do |name, lib_hash|
            lib_hash.each do |lib, linked_libs|
              linked_libs.each do |linked, count|
                if linked =~ /not found/
                  unresolved << lib unless unresolved.include? lib
                else
                  unreliable << linked unless unreliable.include? linked
                end
                detail << "#{name}|#{lib}|#{linked}|#{count}"
              end
            end
          end

          log.error(log_key) { "Failed!" }
          bad_omnibus_libs, bad_omnibus_bins = bad_libs.keys.partition { |k| k.include? "embedded/lib" }

          log.error(log_key) do
            out = "The following libraries have unsafe or unmet dependencies:\n"

            bad_omnibus_libs.each do |lib|
              out << "    --> #{lib}\n"
            end

            out
          end

          log.error(log_key) do
            out = "The following binaries have unsafe or unmet dependencies:\n"

            bad_omnibus_bins.each do |bin|
              out << "    --> #{bin}\n"
            end

            out
          end

          if unresolved.length > 0
            log.error(log_key) do
              out = "The following requirements could not be resolved:\n"

              unresolved.each do |lib|
                out << "    --> #{lib}\n"
              end

              out
            end
          end

          if unreliable.length > 0
            log.error(log_key) do
              out =  "The following libraries cannot be guaranteed to be on "
              out << "target systems:\n"

              unreliable.each do |lib|
                out << "    --> #{lib}\n"
              end

              out
            end
          end

          log.error(log_key) do
            out = "The precise failures were:\n"

            detail.each do |line|
              item, dependency, location, count = line.split("|")
              reason = location =~ /not found/ ? "Unresolved dependency" : "Unsafe dependency"

              out << "    --> #{item}\n"
              out << "    DEPENDS ON: #{dependency}\n"
              out << "      COUNT: #{count}\n"
              out << "      PROVIDED BY: #{location}\n"
              out << "      FAILED BECAUSE: #{reason}\n"
            end

            out
          end

          raise HealthCheckFailed
        end

        if good_libs.keys.length == 0 && !windows?
          raise "Internal error: no good libraries were found"
        end

        conflict_map = {}

        conflict_map = relocation_check if relocation_checkable?

        if conflict_map.keys.length > 0
          log.warn(log_key) { "Multiple dlls with overlapping images detected" }

          conflict_map.each do |lib_name, data|
            base = data[:base]
            size = data[:size]
            next_valid_base = data[:base] + data[:size]

            log.warn(log_key) do
              out =  "Overlapping dll detected:\n"
              out << "    #{lib_name} :\n"
              out << "    IMAGE BASE: #{hex}\n" % base
              out << "    IMAGE SIZE: #{hex} (#{size} bytes)\n" % size
              out << "    NEXT VALID BASE: #{hex}\n" % next_valid_base
              out << "    CONFLICTS:\n"

              data[:conflicts].each do |conflict_name|
                cbase = conflict_map[conflict_name][:base]
                csize = conflict_map[conflict_name][:size]
                out << "    - #{conflict_name} #{hex} + #{hex}\n" % [cbase, csize]
              end

              out
            end
          end

          
        end

        true
      end
    end