Update environment.sh

centos/resources/environment.sh

@@ -4,8 +4,65 @@
 os_name=$(uname -s)
 os_version=$(uname -r)
 os_mode='unknown'
-
-#cpu details
-cpu_name=$(uname -m)
+os_test=$(uname -m)
 cpu_architecture='unknown'
-cpu_mode='unknown'
+
+#check what the CPU and OS are
+	cpu_name='unknown'
+	cpu_mode='unknown'
+	if [ .$cpu_name = .'armv7l' ]; then
+		os_mode='32'
+		cpu_mode='32'
+		# RaspberryPi 3 is actually armv8l but current Raspbian reports the cpu as armv7l and no Raspbian 64Bit has been released at this time
+		cpu_architecture='arm'
+	elif [ .$cpu_name = .'armv8l' ]; then
+		# We currently have no test case for armv8l
+		os_mode='unknown'
+		cpu_name='64'
+		cpu_architecture='arm'
+	elif [ .$cpu_name = .'i386' ]; then
+		os_mode='32'
+		if [ "$(grep -o -w 'lm' /proc/cpuinfo)" = 'lm' ]; then
+			cpu_mode='64'
+		else
+			cpu_mode='32'
+		fi
+		cpu_architecture='x86'
+	elif [ .$cpu_name = .'i686' ]; then
+		os_mode='32'
+		if [ "$(grep -o -w 'lm' /proc/cpuinfo)" = 'lm' ]; then
+			cpu_mode='64'
+		else
+			cpu_mode='32'
+		fi
+		cpu_architecture='x86'
+	elif [ .$cpu_name = .'x86_64' ]; then
+		os_mode='64'
+		if [ "$(grep -o -w 'lm' /proc/cpuinfo)" = 'lm' ]; then
+			os_mode='64'
+		else
+			os_mode='32'
+		fi
+		cpu_architecture='x86'
+	fi
+	
+	if [ .$cpu_architecture = .'arm' ]; then
+		error "CentOS on arm is not supported at this time"
+		exit 3
+	elif [ .$cpu_architecture = .'x86' ]; then
+		if [ .$os_mode = .'32' ]; then
+			error "You are using a 32bit OS this is unsupported"
+			if [ .$cpu_mode = .'64' ]; then
+				warning " Your CPU is 64bit you should consider reinstalling with a 64bit OS"
+			fi
+			exit 3
+		elif [ .$os_mode = .'64' ]; then
+			verbose "Correct CPU/OS detected"
+		else
+			error "Unknown os_mode $os_mode this is unsupported"
+			exit 3
+		fi
+	else
+		error "You are using a unsupported architecture $cpu_architecture"
+	fi
+fi