(#1423) Memory facts for Solaris

Add total memory from prtconf output, free from vmstat plus swap free and
total from swap -l listing.

2 files changed, 56 insertions, 7 deletions

diff --git a/lib/facter/memory.rb b/lib/facter/memory.rb
index 06640e6..f744c3f 100644
--- a/lib/facter/memory.rb
+++ b/lib/facter/memory.rb
@@ -69,13 +69,7 @@ if Facter.value(:kernel) == "OpenBSD"
         end
     end
 
-    Facter.add("MemoryFree") do
-        confine :kernel => :openbsd
-        memfree = Facter::Util::Resolution.exec("vmstat | tail -n 1 | awk '{ print $5 }'")
-        setcode do
-            Facter::Memory.scale_number(memfree.to_f,"kB")
-        end
-    end
+    Facter::Memory.vmstat_find_free_memory()
 
     Facter.add("MemoryTotal") do
         confine :kernel => :openbsd
@@ -85,3 +79,46 @@ if Facter.value(:kernel) == "OpenBSD"
         end
     end
 end
+
+if Facter.value(:kernel) == "SunOS"
+    swap = Facter::Util::Resolution.exec('/usr/sbin/swap -l')
+    swapfree, swaptotal = 0, 0
+    swap.each do |dev|
+        if dev =~ /^\/\S+\s.*\s+(\d+)\s+(\d+)$/
+            swaptotal += $1.to_i / 2
+            swapfree  += $2.to_i / 2
+        end 
+    end 
+ 
+    Facter.add("SwapSize") do
+        confine :kernel => :sunos
+        setcode do
+            Facter::Memory.scale_number(swaptotal.to_f,"kB")
+        end
+    end
+
+    Facter.add("SwapFree") do
+        confine :kernel => :sunos
+        setcode do
+            Facter::Memory.scale_number(swapfree.to_f,"kB")
+        end
+    end
+
+    # Total memory size available from prtconf
+    pconf = Facter::Util::Resolution.exec('/usr/sbin/prtconf')
+    phymem = ""
+    pconf.each do |line|
+        if line =~ /^Memory size:\s+(\d+) Megabytes/
+            phymem = $1
+        end
+    end
+
+    Facter.add("MemorySize") do
+        confine :kernel => :sunos
+        setcode do
+            Facter::Memory.scale_number(phymem.to_f,"MB")
+        end
+    end
+
+    Facter::Memory.vmstat_find_free_memory()
+end
diff --git a/lib/facter/util/memory.rb b/lib/facter/util/memory.rb
index 2004491..43abec6 100644
--- a/lib/facter/util/memory.rb
+++ b/lib/facter/util/memory.rb
@@ -50,5 +50,17 @@ module Facter::Memory
 
         return "%.2f %s" % [size, s]
     end
+
+    def self.vmstat_find_free_memory()
+        row = Facter::Util::Resolution.exec('vmstat').split("\n")[-1]
+        if row =~ /^\s*\d+\s*\d+\s*\d+\s*\d+\s*(\d+)/
+            Facter.add("MemoryFree") do
+                memfree = $1
+                setcode do
+                    Facter::Memory.scale_number(memfree.to_f, "kB")
+                end
+            end
+        end
+    end
 end