Restored checkIfSupportedOS function and checking package manager ava…

…ilablity

Linux Script/configure-linux.sh

@@ -101,8 +101,11 @@ checkLinuxLogglyCompatibility()
 	#check if the user has root permission to run this script
 	checkIfUserHasRootPrivileges
 
+	#check if the OS is supported by the script. If no, then exit
+        checkIfSupportedOS
+
 	#check if package-manager is installed
-        checkIfPackageManagerIsInstalled
+	checkIfPackageManagerIsInstalled
 
 	#set the basic variables needed by this script
 	setLinuxVariables
@@ -178,6 +181,9 @@ removeLogglyConf()
 
 	#check if the user has root permission to run this script
 	checkIfUserHasRootPrivileges
+
+	#check if the OS is supported by the script. If no, then exit
+	checkIfSupportedOS
 
 	#set the basic variables needed by this script
 	setLinuxVariables
@@ -208,19 +214,66 @@ checkIfUserHasRootPrivileges()
 #check if package-manager is installed
 checkIfPackageManagerIsInstalled()
 {
-   if   [ -x "$(command -v apt-get)" ]; then
+   if [ -x "$(command -v apt-get)" ]; then
 
 	    PKG_MGR="apt-get"
 
    else
        if [ -x "$(command -v yum)" ]; then
-
+        
 	    PKG_MGR="yum"
+       fi
 
-	   fi
    fi
 }
 
+#check if supported operating system
+checkIfSupportedOS()
+{
+	getOs
+
+	LINUX_DIST_IN_LOWER_CASE=$(echo $LINUX_DIST | tr "[:upper:]" "[:lower:]")
+
+	case "$LINUX_DIST_IN_LOWER_CASE" in
+		*"ubuntu"* )
+		echo "INFO: Operating system is Ubuntu."
+		;;
+		*"redhat"* )
+		echo "INFO: Operating system is Red Hat."
+		;;
+		*"centos"* )
+		echo "INFO: Operating system is CentOS."
+		;;
+		*"debian"* )
+		echo "INFO: Operating system is Debian."
+		;;
+		*"amazon"* )
+		echo "INFO: Operating system is Amazon AMI."
+		;;
+		*"darwin"* )
+		#if the OS is mac then exit
+		logMsgToConfigSysLog "ERROR" "ERROR: This script is for Linux systems, and Darwin or Mac OSX are not currently supported. You can find alternative options here: https://www.loggly.com/docs/send-mac-logs-to-loggly/"
+		exit 1
+		;;
+		* )
+		logMsgToConfigSysLog "WARN" "WARN: The linux distribution '$LINUX_DIST' has not been previously tested with Loggly."
+		if [ "$SUPPRESS_PROMPT" == "false" ]; then
+			while true; do
+				read -p "Would you like to continue anyway? (yes/no)" yn
+				case $yn in
+					[Yy]* )
+					break;;
+					[Nn]* )
+					exit 1
+					;;
+					* ) echo "Please answer yes or no.";;
+				esac
+			done
+		fi
+		;;
+	esac
+}
+
 getOs()
 {
 	# Determine OS platform