Split from BSD method and add getent hosts

Also don't try to run `host hostname` if the host command isn't available.

No upstream facter 2.x is dead and new bugs are not being accepted.

 end

 Facter.add(:ipaddress) do

-  confine :kernel => %w{NetBSD SunOS}

+  confine :kernel => %w{NetBSD}

   setcode do

     ip = nil

     output = Facter::Util::IP.exec_ifconfig(["-a"])

 end

 Facter.add(:ipaddress) do

+  confine :osfamily => %w{Solaris}

+  setcode do

+    ip = nil

+    output = Facter::Util::IP.exec_ifconfig(["-a"])

+

+    output.each_line { |str|

+      if str =~ /inet ([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/

+        tmp = $1

+        unless tmp =~ /^127\./ or tmp == "0.0.0.0"

+          ip = tmp

+          break

+        end

+      end

+    }

+

+    # If we didn't get an IP from ifconfig see if we can get one from

+    # the hosts database

+    if ip.nil? && hostname = Facter.value(:hostname)

+      # we need Hostname to exist for this to work

+      host = nil

+      Facter::Core::Execution.execute("getent hosts #{hostname}").each_line {

+        |l|

+        _ip = l.chomp.split()[0]

+        if _ip !~ /^127\./ && _ip =~ /[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/

+          ip = _ip

+          break

+        end

+      }

+    end

+

+    ip

+  end

+end

+

+Facter.add(:ipaddress) do

   confine :kernel => %w{AIX}

   setcode do

     ip = nil

 Facter.add(:ipaddress, :timeout => 2) do

   setcode do

-    if hostname = Facter.value(:hostname)

-      # we need Hostname to exist for this to work

+    if hostname = Facter.value(:hostname) &&

+      Facter::Core::Execution.which('host')

+      # we need Hostname and `host` to exist for this to work

       host = nil

       if host = Facter::Core::Execution.execute("host #{hostname}")

         list = host.chomp.split(/\s/)