Fixed global explorers on OSX

cdist/conf/explorer/cpu_cores

@@ -22,10 +22,19 @@
 
 # FIXME: other system types (not linux ...)
 
-if [ -r /proc/cpuinfo ]; then
+os=$("$__explorer/os")
+case "$os" in
+    "macosx")
+        echo "$(sysctl -n hw.physicalcpu)"
+    ;;
+
+    *)
+        if [ -r /proc/cpuinfo ]; then
             cores="$(cat /proc/cpuinfo | grep "core id" | sort | uniq | wc -l)"
             if [ ${cores} -eq 0 ]; then
                 cores="1"
             fi
-    echo "${cores}"
-fi
+            echo "$cores"
+        fi
+    ;;
+esac

cdist/conf/explorer/cpu_sockets

@@ -22,10 +22,19 @@
 
 # FIXME: other system types (not linux ...)
 
-if [ -r /proc/cpuinfo ]; then
+os=$("$__explorer/os")
+case "$os" in
+    "macosx")
+        echo "$(system_profiler SPHardwareDataType | grep "Number of Processors" | awk -F': ' '{print $2}')"
+    ;;
+
+    *)
+    if [ -r /proc/cpuinfo ]; then
         sockets="$(cat /proc/cpuinfo | grep "physical id" | sort | uniq | wc -l)"
         if [ ${sockets} -eq 0 ]; then
             sockets="$(cat /proc/cpuinfo | grep "processor" | wc -l)"
         fi
         echo "${sockets}"
-fi
+    fi
+    ;;
+esac

cdist/conf/explorer/memory

@@ -22,6 +22,16 @@
 
 # FIXME: other system types (not linux ...)
 
-if [ -r /proc/meminfo ]; then
+os=$("$__explorer/os")
+case "$os" in
+    "macosx")
+        let memsize=$(sysctl -n hw.memsize)/1024
+        echo "$memsize"
+    ;;
+
+    *)
+    if [ -r /proc/meminfo ]; then
         echo "$(cat /proc/meminfo | grep "MemTotal:" | awk '{print $2}')"
-fi
+    fi
+    ;;
+esac