Allowing for empty deb version for ADTRAN OLT
Also avoiding logging if OLT does not provide usr/pwd

Change-Id: I1b895bb1350c8865129e76909db040606c9d3ce0
diff --git a/Jenkinsfile-voltha-build b/Jenkinsfile-voltha-build
index c92d522..5f2c5cc 100644
--- a/Jenkinsfile-voltha-build
+++ b/Jenkinsfile-voltha-build
@@ -176,7 +176,8 @@
                 stage('Push Tech-Profile') {
                     for(int i=0; i < deployment_config.olts.size(); i++) {
                         def tech_prof_directory = "XGS-PON"
-                        if (deployment_config.olts[i].oltDebVersion.contains("asgvolt64")){
+                        // If no debian package is specified we default to GPON for the ADTRAN OLT. 
+                        if (!deployment_config.olts[i].containsKey("oltDebVersion") || deployment_config.olts[i].oltDebVersion.contains("asgvolt64")){
                             tech_prof_directory = "GPON"
                         }
                         timeout(1) {
diff --git a/libraries/utils.robot b/libraries/utils.robot
index dbd8b7b..139bb26 100755
--- a/libraries/utils.robot
+++ b/libraries/utils.robot
@@ -923,6 +923,8 @@
         ${olt_user}    Evaluate    ${olts}[${I}].get("user")
         ${olt_pass}    Evaluate    ${olts}[${I}].get("pass")
         ${olt_ssh_ip}    Evaluate    ${olts}[${I}].get("sship")
+        Continue For Loop If    "${olt_user}" == "${None}"
+        Continue For Loop If    "${olt_pass}" == "${None}"
         Wait Until Keyword Succeeds    180s    10s    Execute Remote Command
         ...    printf '%s\n' '' '' '${message}' '' >> /var/log/openolt.log
         ...    ${olt_ssh_ip}    ${olt_user}    ${olt_pass}