.

go/neo/py/runneo.py

 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
-# Copyright (C) 2020  Nexedi SA and Contributors.
-#                     Kirill Smelkov <kirr@nexedi.com>
+# Copyright (C) 2020-2021  Nexedi SA and Contributors.
+#                          Kirill Smelkov <kirr@nexedi.com>
 #
 # This program is free software: you can Use, Study, Modify and Redistribute
 # it under the terms of the GNU General Public License version 3, or (at your
@@ -22,6 +22,8 @@
 
 Usage: runneo.py <workdir> <cluster-name>   [k1=v1] [k2=v2] ...
 
+{k->v} dict is optional arguments for NEOCluster.
+
 <workdir>/ready is created with address of master after spawned cluster becomes
 operational.
 """
@@ -55,6 +57,7 @@ def main():
         raise SystemExit(sinfo("terminated"))
     signal(SIGTERM, _)
 
+    # SSL setup
     flags = ' !ssl'
     ca   = kw.pop('ca',   None)
     cert = kw.pop('cert', None)
@@ -66,6 +69,7 @@ def main():
         flags = ' ssl'
         NEOCluster.SSL = (ca, cert, key)
 
+    # Start the cluster
     cluster = NEOCluster([clusterName], adapter='SQLite', name=clusterName, temp_dir=workdir, **kw)
     cluster.start()
     defer(cluster.stop)
@@ -73,7 +77,7 @@ def main():
     cluster.expectClusterRunning()
     info("started master(s): %s" % (cluster.master_nodes,))
 
-    # dump information about ready cluster into readyfile
+    # dump information about ready cluster into readyf
     with open("%s.tmp" % readyf, "w") as f:
         f.write(cluster.master_nodes)    # XXX ' ' separated if multiple masters
     os.rename("%s.tmp" % readyf, readyf) # atomic
@@ -82,6 +86,7 @@ def main():
         os.unlink(readyf)
     defer(_)
 
+    # started ok -> serve
     while 1:
         sleep(1)