OS detection of CoreOS

include/osdetection

@@ -121,6 +121,24 @@
             OS_KERNELVERSION=$(echo ${OS_KERNELVERSION_FULL} | sed 's/-.*//')
             if [ -e /dev/grsec ]; then GRSEC_FOUND=1; fi
 
+            # Generic
+            if [ -e /etc/os-release ]; then
+                FIND=$(grep "^NAME=" /etc/os-release)
+                if [ ! -z "${FIND}" ]; then
+                    case ${FIND} in
+                        "CoreOS")
+                            LINUX_VERSION="CoreOS"
+                            OS_FULLNAME=$(grep "^PRETTY_NAME=" /etc/os-release | awk -F= '{print $2}' | tr -d '"')
+                            OS_VERSION=$(grep "^VERSION=" /etc/os-release | awk -F= '{print $2}')
+                            OS_NAME="CoreOS Linux"
+                        ;;
+                        *)
+                            echo "Unknown OS found in /etc/os-release. Do you know what it is? Create an issue at ${PROGRAM_SOURCE"
+                        ;;
+                    esac
+                fi
+            fi
+
             # Amazon
             if [ -e "/etc/system-release" ]; then
                 FIND=$(grep "Amazon" /etc/system-release)