Rename dbsync to upgrade

The tool is actually used to upgrade the indexer, and might be later
used to upgrade the storage engine too.

Change-Id: I7266397209e814dec5eb732804bcdc022943b33d

devstack/plugin.sh

@@ -323,8 +323,8 @@ function init_gnocchi {
 
     if is_service_enabled mysql postgresql; then
         recreate_database gnocchi
-        $GNOCCHI_BIN_DIR/gnocchi-dbsync
     fi
+    $GNOCCHI_BIN_DIR/gnocchi-upgrade
 }
 
 function preinstall_gnocchi {

doc/source/install.rst

@@ -107,14 +107,15 @@ Gnocchi provides these indexer drivers:
 .. _`MySQL`: http://mysql.com
 .. _`InfluxDB`: http://influxdb.com
 
-Indexer Initialization
-======================
+Initialization and upgrade
+==========================
 
-Once you have configured Gnocchi properly, you need to initialize the indexer:
+Once you have configured Gnocchi properly, you need to initialize (or upgrade)
+the indexer:
 
 ::
 
-    gnocchi-dbsync
+    gnocchi-upgrade
 
 
 Running Gnocchi

gnocchi/cli.py

@@ -22,7 +22,6 @@
 import retrying
 
 from gnocchi import indexer
-from gnocchi.indexer import sqlalchemy as sql_db
 from gnocchi.rest import app
 from gnocchi import service
 from gnocchi import statsd as statsd_service
@@ -32,10 +31,11 @@
 LOG = logging.getLogger(__name__)
 
 
-def storage_dbsync():
+def upgrade():
     conf = service.prepare_service()
-    index = sql_db.SQLAlchemyIndexer(conf)
+    index = indexer.get_driver(conf)
     index.connect()
+    LOG.info("Upgrading indexer")
     index.upgrade()
 
 

setup.cfg

@@ -74,7 +74,7 @@ gnocchi.aggregates =
 
 console_scripts =
     gnocchi-api = gnocchi.cli:api
-    gnocchi-dbsync = gnocchi.cli:storage_dbsync
+    gnocchi-upgrade = gnocchi.cli:upgrade
     gnocchi-statsd = gnocchi.cli:statsd
     gnocchi-metricd = gnocchi.cli:metricd
     carbonara-create = gnocchi.carbonara:create_archive_file