gNMISession¶

class ydk.gnmi.path.gNMISession(repo, address, port=57400, username, password, server_certificate="", private_key="")¶

Parameters:

repo – Instance of Repository with path to local directory containing the the ydk yang model along with all the yang models supported on the gNMI server.
address – (str) Host address of the device supporting a gNMI interface
port – (int)Port on which the gNMI interface can be accessed on the device. If not specified, the default value of 57400 is assigned.
username – (str) Username.
password – (str) Password.
server_certificate – (str) Full path to a file, which contains server certificate of authorization (public key). If not specified, it is assumed non-secure connection to gNMI server.
private_key – (str) Full path to a file, which contains private key of the application host. If not specified and server_certificate is defined (secure connection), the GRPC internally defined private key is used.

get_root_schema()¶

Returns:	`RootSchemaNode` for this gNMI session.

invoke(rpc)¶

Executes gNMI RPCs gnmi-set, gnmi-get, and gnmi-caps.

Parameters:	rpc – (`Rpc`) RPC to be executed.
Returns:	`DataNode` for gnmi-get RPC, or `None` otherwise.

subscribe(rpc, output_callback_function=None)¶

Executes gnmi-subscribe RPC. Returns subscription data over specified callback.

param rpc: (Rpc) RPC to be executed.

param output_callback_function:

(func(str)) Callback function, which is used to process the subscription data. The subscription data returned to the user as a string representation of protobuf SubscribeResponse message. If not specified, the response is printed to system stdout.

returns: None.