Do Not Install the MySQL2 Gem in the OMSAgent Installation

Author: robbiezhang

build/buildRuby.sh

@@ -241,9 +241,6 @@ if [ $RUNNING_FOR_TEST -eq 0 ]; then
 
     # Pacify Make (Make doesn't know that the generated Ruby directory can vary)
     mkdir -p ${BASE_DIR}/intermediate/${BUILD_CONFIGURATION}/ruby
-else 
-    echo "Installing MySQL gem into Test Ruby under: ${RUBY_DESTDIR} ..." 
-    elevate ${RUBY_DESTDIR}/bin/gem install mysql2
 fi
 
 exit 0

installer/bundle/bundle_skel.sh

@@ -841,18 +841,6 @@ case "$installMode" in
             echo "----- No base kits to update -----"
         fi
 
-		# These steps are required to fix mysql2 gem compatibility issue on latest Ubuntu distros and can be removed after any release >2016_v1.2.0-75
-        if ${OMS_RUBY_DIR}/gem list | grep -q "mysql2" ; then
-            # Cleans up static mysql2 ruby gem if it exists in omsagent ruby path
-            echo "Removing MySQL2 ruby gem."			
-            ${OMS_RUBY_DIR}/gem uninstall mysql2 2>/dev/null
-		fi
-        echo "----- Installing MySQL2 ruby gem -----"
-        if ! ${OMS_RUBY_DIR}/gem install mysql2; then
-            echo "MySQL2 ruby gem was not installed. MySQL ruby fluentd plugin would be disabled."
-            echo "Fix the dependencies and run '${OMS_RUBY_DIR}/ruby/bin/gem install mysql2' after omsagent installation to enable MySQL plugin."
-        fi
-		
         if [ $KIT_STATUS -eq 0 ]; then
             # These conditionals exist due to some upgrade bugs in the postuninstall scripts of previous kits. These can be removed after GA.
             if [ -d /opt/microsoft/omsconfig ]; then

installer/datafiles/base_omsagent.data

@@ -182,18 +182,6 @@ fi
 # The real conf directory has to be owned by omsagent to be readable by the omsagent daemon
 chown -R omsagent:omsagent ${{CONF_DIR}}
 
-# Should run before onboarding script(Postinstall_300) and enabling OMS service(%Postinstall_500)
-%Postinstall_290
-if ${{OMSHOME}}/ruby/bin/gem list | grep -q "mysql2" ; then
-  echo "Skipping MySQL2 ruby gem installation since it is already installed."			
-else
-  echo "----- Installing MySQL ruby gem -----"
-  if ! ${{OMSHOME}}/ruby/bin/gem install mysql2; then
-    echo "MySQL2 ruby gem was not installed. MySQL ruby plugin would be disabled."
-    echo "Fix the dependencies and run '${OMS_RUBY_DIR}/ruby/bin/gem install mysql2' after omsagent installation to enable MySQL plugin."
-  fi
-fi
-
 %Postinstall_300
 if [ -f /etc/omsagent-onboard.conf ]; then
    /opt/microsoft/omsagent/bin/omsadmin.sh