Update install_netdata

Added support for NVM setup on first installation.

install_netdata

@@ -7,24 +7,25 @@
 # ToDo:
 #  Automatic activate on boot
 
-# NEW CODE
+# NEW CODE------------
-# Check if NVM and Node.JS is already installed and if it is skip it's installation
+# Use NVM for node.js installation management. Options are "y" or "n" DEFAULT = n
-# ToDo:
+usenvm=n
-#   Add NVM support
+# Version of Node.js to install. DEFAULT = 16.18.1
-if [ -e "$HOME/.nvm" ]; then
+nodeversion=16.18.1
-	echo "NVM for Node.JS is installed...Skipping RPM Package Installation!"
-        nodejs=""
-else
-        nodejs="nodejs"
-fi
 
+function getsystemnodeversion {
+        if [ -e "/usr/bin/node" ]; then
+                /usr/bin/node -v
+        fi
+}
+# ---------------------
 # Check centos version
 centosversion=$(rpm -qa \*-release | grep -Ei "oracle|redhat|centos|cloudlinux" | cut -d"-" -f3 | cut -d"." -f 1 | head -n 1)
 if [[ "$centosversion" -eq "8" ]];then
 	yum -y install 'dnf-command(config-manager)'
 	yum -y install http://repo.okay.com.mx/centos/8/x86_64/release/okay-release-1-3.el8.noarch.rpm
 	yum -y install curl gcc make autoconf autoconf-archive autogen automake --enablerepo=epel --enablerepo=powertools
-	yum -y install MySQL-python python python-yaml python-psycopg2 $nodejs lm_sensors --enablerepo=epel --enablerepo=powertools
+	yum -y install MySQL-python python python-yaml python-psycopg2 nodejs lm_sensors --enablerepo=epel --enablerepo=powertools
 	yum -y install nmap-ncat git zlib-devel libuuid-devel --enablerepo=epel --enablerepo=powertools
 	yum -y install libmnl-devel libuv-devel --enablerepo=epel --enablerepo=powertools
 	yum -y install json-c-devel libatomic libyaml-devel lz4-devel systemd-devel
@@ -43,6 +44,33 @@ if [[ "$centosversion" -eq "8" ]];then
 	make
 	make install
 else
+	# NEW CODE--------
+	if [ "$usenvm" == "n" ]; then
+		if [ -e "$HOME/.nvm" ]; then
+			echo "NVM for Node.JS is installed...Skipping RPM Package Installation!"
+        		nodejs=""
+		else
+        		nodejs="nodejs"
+		fi
+	elif [ "$usenvm" == "y" ]; then
+        	if [ -e "$HOME/.nvm" ];then
+                	source $HOME/.bashrc
+                	nvm install $nodeversion
+                	nvm use $nodeversion
+                	if [ "$(getsystemnodeversion)" != "v$nodeversion" ]; then
+                        	ln -sf  /root/.nvm/versions/node/v"$nodeversion"/bin/node /usr/bin/node
+                	fi
+        	fi
+        	if [ ! -e "$HOME/.nvm" ]; then
+                	yum -y install curl
+                	curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash
+                	source $HOME/.bashrc
+                	nvm install "$nodeversion"
+                	nvm use "$nodeversion"
+                	ln -sf  /root/.nvm/versions/node/v"$nodeversion"/bin/node /usr/bin/node
+        	fi
+	fi
+	# ------------
 	yum -y install curl gcc make autoconf autoconf-archive autogen automake --enablerepo=epel
 	yum -y install MySQL-python python python-yaml python-psycopg2 $nodejs lm_sensors --enablerepo=epel
 	yum -y install nmap-ncat git zlib-devel libuuid-devel --enablerepo=epel