FAB-12326 Update CI script to install nodejs

Add function to install nodejs in Jenkins pipeline before
run the integration tests. Also, update the nvm version to
0.33.11

Change-Id: I8c4ec541dbd7e1ab1addee9f9de7adec7329749a
Signed-off-by: rameshthoomu <rameshbabu.thoomu@gmail.com>

Jenkinsfile

@@ -5,10 +5,12 @@
 node ('hyp-x') { // trigger build on x86_64 node
      def ROOTDIR = pwd() // workspace dir (/w/workspace/<job_name>
      env.PROJECT_DIR = "gopath/src/github.com/hyperledger"
+     env.NODE_VER = "8.11.3"
+     env.GO_VER = "1.10.4"
      env.GOPATH = "$WORKSPACE/gopath"
      env.JAVA_HOME = "/usr/lib/jvm/java-1.8.0-openjdk-amd64"
-     env.PATH = "$GOPATH/bin:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:~/npm/bin:/home/jenkins/.nvm/versions/node/v6.9.5/bin:/home/jenkins/.nvm/versions/node/v8.9.4/bin:$PATH"
-     env.GOROOT = "/opt/go/go1.10.linux.amd64"
+     env.PATH = "$GOPATH/bin:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:~/npm/bin:/home/jenkins/.nvm/versions/node/${NODE_VER}/bin:$PATH"
+     env.GOROOT = "/opt/go/go${GO_VER}.linux.amd64"
      env.PATH = "$GOROOT/bin:$PATH"
 
      def failure_stage = "none"
@@ -78,8 +80,11 @@ node ('hyp-x') { // trigger build on x86_64 node
 // Run integration tests (e2e tests)
       stage("Integration-Tests") {
           try {
-                 dir("${ROOTDIR}/$PROJECT_DIR/fabric-chaincode-evm") {
+                 dir("${ROOTDIR}/$PROJECT_DIR/fabric-chaincode-evm/scripts/jenkins_scripts") {
                  sh '''
+                    echo "-------> Install NodeJs"
+                    ./CI_Script.sh --install_Node
+                    cd ../..
                     echo "-------> Run integration-tests"
                     make integration-test
                  '''

scripts/jenkins_scripts/CI_Script.sh

@@ -16,6 +16,9 @@ Parse_Arguments() {
                       --clean_Environment)
                             clean_Environment
                             ;;
+                      --install_Node)
+                            install_Node
+                            ;;
               esac
               shift
       done
@@ -66,6 +69,26 @@ clearContainers
 removeUnwantedImages
 }
 
+install_Node() {
+
+        # Install nvm to install multi node versions
+        wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh | bash
+        # shellcheck source=/dev/null
+        export NVM_DIR="$HOME/.nvm"
+        # shellcheck source=/dev/null
+        [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh"  # This loads nvm
+
+        echo "------> Install NodeJS"
+        # This also depends on the fabric-baseimage. Make sure you modify there as well.
+        echo "------> Use $NODE_VER for >=release-1.1 branches"
+        nvm install $NODE_VER || true
+        # use nodejs version
+        nvm use --delete-prefix v$NODE_VER --silent
+
+        echo "npm version ------> $(npm -v)"
+        echo "node version ------> $(node -v)"
+}
+
 env_Info() {
         # This function prints system info