swarming: Add server-side implementation for supplemental bot_config

appengine/swarming/proto/bots_pb2.py

Index: appengine/swarming/proto/bots_pb2.py
diff --git a/appengine/swarming/proto/bots_pb2.py b/appengine/swarming/proto/bots_pb2.py
index 8a1e2f93acf18f48e3dbb7b3dbf37b1ae0e709c9..460f62f348c9f8370913b711407ed86fa5131846 100644
--- a/appengine/swarming/proto/bots_pb2.py
+++ b/appengine/swarming/proto/bots_pb2.py
@@ -19,7 +19,7 @@ DESCRIPTOR = _descriptor.FileDescriptor(
   name='bots.proto',
   package='',
   syntax='proto2',
-  serialized_pb=_b('\n\nbots.proto\"C\n\x07\x42otsCfg\x12\x1a\n\x12trusted_dimensions\x18\x01 \x03(\t\x12\x1c\n\tbot_group\x18\x02 \x03(\x0b\x32\t.BotGroup\"\x95\x01\n\x0bMachineType\x12\x0c\n\x04name\x18\x01 \x01(\t\x12\x13\n\x0b\x64\x65scription\x18\x02 \x01(\t\x12\x1a\n\x12\x65\x61rly_release_secs\x18\x03 \x01(\x05\x12\x1b\n\x13lease_duration_secs\x18\x04 \x01(\x05\x12\x15\n\rmp_dimensions\x18\x05 \x03(\t\x12\x13\n\x0btarget_size\x18\x06 \x01(\x05\"\x91\x01\n\x08\x42otGroup\x12\x0e\n\x06\x62ot_id\x18\x01 \x03(\t\x12\x15\n\rbot_id_prefix\x18\x02 \x03(\t\x12\"\n\x0cmachine_type\x18\x03 \x03(\x0b\x32\x0c.MachineType\x12\x16\n\x04\x61uth\x18\x14 \x01(\x0b\x32\x08.BotAuth\x12\x0e\n\x06owners\x18\x15 \x03(\t\x12\x12\n\ndimensions\x18\x16 \x03(\t\"d\n\x07\x42otAuth\x12\"\n\x1arequire_luci_machine_token\x18\x01 \x01(\x08\x12\x1f\n\x17require_service_account\x18\x02 \x01(\t\x12\x14\n\x0cip_whitelist\x18\x03 \x01(\t')
+  serialized_pb=_b('\n\nbots.proto\"C\n\x07\x42otsCfg\x12\x1a\n\x12trusted_dimensions\x18\x01 \x03(\t\x12\x1c\n\tbot_group\x18\x02 \x03(\x0b\x32\t.BotGroup\"\x95\x01\n\x0bMachineType\x12\x0c\n\x04name\x18\x01 \x01(\t\x12\x13\n\x0b\x64\x65scription\x18\x02 \x01(\t\x12\x1a\n\x12\x65\x61rly_release_secs\x18\x03 \x01(\x05\x12\x1b\n\x13lease_duration_secs\x18\x04 \x01(\x05\x12\x15\n\rmp_dimensions\x18\x05 \x03(\t\x12\x13\n\x0btarget_size\x18\x06 \x01(\x05\"\xac\x01\n\x08\x42otGroup\x12\x0e\n\x06\x62ot_id\x18\x01 \x03(\t\x12\x15\n\rbot_id_prefix\x18\x02 \x03(\t\x12\"\n\x0cmachine_type\x18\x03 \x03(\x0b\x32\x0c.MachineType\x12\x16\n\x04\x61uth\x18\x14 \x01(\x0b\x32\x08.BotAuth\x12\x0e\n\x06owners\x18\x15 \x03(\t\x12\x12\n\ndimensions\x18\x16 \x03(\t\x12\x19\n\x11\x62ot_config_script\x18\x17 \x01(\t\"d\n\x07\x42otAuth\x12\"\n\x1arequire_luci_machine_token\x18\x01 \x01(\x08\x12\x1f\n\x17require_service_account\x18\x02 \x01(\t\x12\x14\n\x0cip_whitelist\x18\x03 \x01(\t')
 )
 _sym_db.RegisterFileDescriptor(DESCRIPTOR)
 
@@ -179,6 +179,13 @@ _BOTGROUP = _descriptor.Descriptor(
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       options=None),
+    _descriptor.FieldDescriptor(
+      name='bot_config_script', full_name='BotGroup.bot_config_script', index=6,
+      number=23, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
   ],
   extensions=[
   ],
@@ -192,7 +199,7 @@ _BOTGROUP = _descriptor.Descriptor(
   oneofs=[
   ],
   serialized_start=236,
-  serialized_end=381,
+  serialized_end=408,
 )
 
 
@@ -236,8 +243,8 @@ _BOTAUTH = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=383,
-  serialized_end=483,
+  serialized_start=410,
+  serialized_end=510,
 )
 
 _BOTSCFG.fields_by_name['bot_group'].message_type = _BOTGROUP