@@ -190,6 +190,8 @@ function configure_keystone() {

     if [[ "$KEYSTONE_TOKEN_BACKEND" = "sql" ]]; then

         iniset $KEYSTONE_CONF token driver keystone.token.backends.sql.Token

+    elif [[ "$KEYSTONE_TOKEN_BACKEND" = "memcache" ]]; then

+        iniset $KEYSTONE_CONF token driver keystone.token.backends.memcache.Token

     else

         iniset $KEYSTONE_CONF token driver keystone.token.backends.kvs.Token

     fi

@@ -350,6 +352,17 @@ function install_keystone() {

     if is_service_enabled ldap; then

         install_ldap

     fi

+    if [[ "$KEYSTONE_TOKEN_BACKEND" = "memcache" ]]; then

+        # Install memcached and the memcache Python library that keystone uses.

+        # Unfortunately the Python library goes by different names in the .deb

+        # and .rpm circles.

+        install_package memcached

+        if is_ubuntu; then

+            install_package python-memcache

+        else

+            install_package python-memcached

+        fi

+    fi

     git_clone $KEYSTONE_REPO $KEYSTONE_DIR $KEYSTONE_BRANCH

     setup_develop $KEYSTONE_DIR

     if is_apache_enabled_service key; then