@@ -1,4 +1,5 @@

 python-setuptools

 python-gevent

 python-gflags

+python-netifaces

 python-sphinx

@@ -1,4 +1,5 @@

 python-setuptools

 python-gevent

 python-gflags

+python-netifaces

 python-sphinx

@@ -15,6 +15,9 @@ function quantum_plugin_create_nova_conf() {

 function quantum_plugin_install_agent_packages() {

     _quantum_ovs_base_install_agent_packages

+

+    # quantum_ryu_agent requires ryu module

+    install_ryu

 }

 function quantum_plugin_configure_common() {

@@ -49,8 +49,16 @@ function init_ryu() {

     echo "${RYU_CONF_CONTENTS}" > $RYU_CONF

 }

+# install_ryu can be called multiple times as quantum_pluing/ryu may call

+# this function for quantum-ryu-agent

+# Make this function idempotent and avoid cloning same repo many times

+# with RECLONE=yes

+_RYU_INSTALLED=${_RYU_INSTALLED:-False}

 function install_ryu() {

-    git_clone $RYU_REPO $RYU_DIR $RYU_BRANCH

+    if [[ "$_RYU_INSTALLED" == "False" ]]; then

+        git_clone $RYU_REPO $RYU_DIR $RYU_BRANCH

+        _RYU_INSTALLED=True

+    fi

 }

 function start_ryu() {