lib/ohai/mixin/network_helper.rb in ohai-18.0.14 vs lib/ohai/mixin/network_helper.rb in ohai-18.0.26

@@ -1,63 +1,65 @@
-# frozen_string_literal: true
-#
-# Author:: Serdar Sutay (<[e-mail]>)
-# Copyright:: Copyright (c) Chef Software Inc.
-# License:: Apache License, Version 2.0
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-# implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-require "socket" unless defined?(Socket)
-
-module Ohai
-  module Mixin
-    module NetworkHelper
-      FAMILIES = {
-        "inet" => "default",
-        "inet6" => "default_inet6",
-      }.freeze
-
-      def hex_to_dec_netmask(netmask)
-        # example 'ffff0000' -> '255.255.0.0'
-        dec = netmask[0..1].to_i(16).to_s(10)
-        [2, 4, 6].each { |n| dec = dec + "." + netmask[n..n + 1].to_i(16).to_s(10) }
-        dec
-      end
-
-      # This does a forward and reverse lookup on the hostname to return what should be
-      # the FQDN for the host determined by name lookup (generally DNS).  If the forward
-      # lookup fails this will throw.  If the reverse lookup fails this will return the
-      # hostname back.  The behavior on failure of the reverse lookup is both vitally important
-      # to this API, and completely untested, so changes to this method (not recommended) need
-      # to be manually validated by hand by setting up a DNS server with a broken A record to
-      # an IP without a PTR record (e.g. any RFC1918 space not served by the configured DNS
-      # server), and the method should return the hostname and not the IP address.
-      #
-      def canonicalize_hostname(hostname)
-        Addrinfo.getaddrinfo(hostname, nil, nil, nil, nil, Socket::AI_CANONNAME).first.canonname
-      end
-
-      def canonicalize_hostname_with_retries(hostname)
-        retries = 3
-        begin
-          canonicalize_hostname(hostname)
-        rescue
-          retries -= 1
-          retry if retries > 0
-          nil
-        end
-      end
-    end
-  end
-end
+# frozen_string_literal: true
+#
+# Author:: Serdar Sutay (<[e-mail]>)
+# Copyright:: Copyright (c) Chef Software Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require "socket" unless defined?(Socket)
+
+module Ohai
+  module Mixin
+    module NetworkHelper
+      unless defined?(FAMILIES)
+        FAMILIES = {
+          "inet" => "default",
+          "inet6" => "default_inet6",
+        }.freeze
+      end
+
+      def hex_to_dec_netmask(netmask)
+        # example 'ffff0000' -> '255.255.0.0'
+        dec = netmask[0..1].to_i(16).to_s(10)
+        [2, 4, 6].each { |n| dec = dec + "." + netmask[n..n + 1].to_i(16).to_s(10) }
+        dec
+      end
+
+      # This does a forward and reverse lookup on the hostname to return what should be
+      # the FQDN for the host determined by name lookup (generally DNS).  If the forward
+      # lookup fails this will throw.  If the reverse lookup fails this will return the
+      # hostname back.  The behavior on failure of the reverse lookup is both vitally important
+      # to this API, and completely untested, so changes to this method (not recommended) need
+      # to be manually validated by hand by setting up a DNS server with a broken A record to
+      # an IP without a PTR record (e.g. any RFC1918 space not served by the configured DNS
+      # server), and the method should return the hostname and not the IP address.
+      #
+      def canonicalize_hostname(hostname)
+        Addrinfo.getaddrinfo(hostname, nil, nil, nil, nil, Socket::AI_CANONNAME).first.canonname
+      end
+
+      def canonicalize_hostname_with_retries(hostname)
+        retries = 3
+        begin
+          canonicalize_hostname(hostname)
+        rescue
+          retries -= 1
+          retry if retries > 0
+          nil
+        end
+      end
+    end
+  end
+end