nornir.core.inventory

class nornir.core.inventory.BaseAttributes(hostname: Optional[str] = None, port: Optional[int] = None, username: Optional[str] = None, password: Optional[str] = None, platform: Optional[str] = None)
dict() → Dict[str, Any]
hostname
password
platform
port
classmethod schema() → Dict[str, Any]
username
class nornir.core.inventory.ConnectionOptions(hostname: Optional[str] = None, port: Optional[int] = None, username: Optional[str] = None, password: Optional[str] = None, platform: Optional[str] = None, extras: Optional[Dict[str, Any]] = None)
dict() → Dict[str, Any]
extras
classmethod schema() → Dict[str, Any]
class nornir.core.inventory.Defaults(hostname: Optional[str] = None, port: Optional[int] = None, username: Optional[str] = None, password: Optional[str] = None, platform: Optional[str] = None, data: Optional[Dict[str, Any]] = None, connection_options: Optional[Dict[str, nornir.core.inventory.ConnectionOptions]] = None)
connection_options
data
dict() → Dict[str, Any]
classmethod schema() → Dict[str, Any]
class nornir.core.inventory.Group(name: str, hostname: Optional[str] = None, port: Optional[int] = None, username: Optional[str] = None, password: Optional[str] = None, platform: Optional[str] = None, groups: Optional[nornir.core.inventory.ParentGroups] = None, data: Optional[Dict[str, Any]] = None, connection_options: Optional[Dict[str, nornir.core.inventory.ConnectionOptions]] = None, defaults: Optional[nornir.core.inventory.Defaults] = None)
class nornir.core.inventory.Groups
class nornir.core.inventory.Host(name: str, hostname: Optional[str] = None, port: Optional[int] = None, username: Optional[str] = None, password: Optional[str] = None, platform: Optional[str] = None, groups: Optional[nornir.core.inventory.ParentGroups] = None, data: Optional[Dict[str, Any]] = None, connection_options: Optional[Dict[str, nornir.core.inventory.ConnectionOptions]] = None, defaults: Optional[nornir.core.inventory.Defaults] = None)
close_connection(connection: str) → None

Close the connection

close_connections() → None
connections
defaults
dict() → Dict[str, Any]
get(item: str, default: Any = None) → Any

Returns the value item from the host or hosts group variables.

Parameters:
  • item (str) – The variable to get
  • default (any) – Return value if item not found
get_connection(connection: str, configuration: nornir.core.configuration.Config) → Any

The function of this method is twofold:

  1. If an existing connection is already established for the given type return it
  2. If none exists, establish a new connection of that type with default parameters and return it
Raises:AttributeError – if it’s unknown how to establish a connection for the given type
Parameters:connection – Name of the connection, for instance, netmiko, paramiko, napalm…
Returns:An already established connection
get_connection_parameters(connection: Optional[str] = None) → nornir.core.inventory.ConnectionOptions
has_parent_group(group: Union[str, Group]) → bool

Returns whether the object is a child of the Group group

items() → ItemsView[str, Any]

Returns all the data accessible from a device, including the one inherited from parent groups

keys() → KeysView[str]

Returns the keys of the attribute data and of the parent(s) groups.

name
open_connection(connection: str, configuration: nornir.core.configuration.Config, hostname: Optional[str] = None, username: Optional[str] = None, password: Optional[str] = None, port: Optional[int] = None, platform: Optional[str] = None, extras: Optional[Dict[str, Any]] = None, default_to_host_attributes: bool = True) → nornir.core.plugins.connections.ConnectionPlugin

Open a new connection.

If default_to_host_attributes is set to True arguments will default to host attributes if not specified.

Raises:AttributeError – if it’s unknown how to establish a connection for the given type
Returns:An already established connection
classmethod schema() → Dict[str, Any]
values() → ValuesView[Any]

Returns the values of the attribute data and of the parent(s) groups.

class nornir.core.inventory.Hosts
class nornir.core.inventory.Inventory(hosts: nornir.core.inventory.Hosts, groups: Optional[nornir.core.inventory.Groups] = None, defaults: Optional[nornir.core.inventory.Defaults] = None, transform_function: Callable[[nornir.core.inventory.Host, Any], None] = None, transform_function_options: Optional[Dict[str, Any]] = None)
children_of_group(group: Union[str, nornir.core.inventory.Group]) → Set[nornir.core.inventory.Host]

Returns set of hosts that belongs to a group including those that belong indirectly via inheritance

defaults
dict() → Dict[str, Any]

Return serialized dictionary of inventory

filter(filter_obj: Callable[[nornir.core.inventory.Host, Any], bool] = None, filter_func: Callable[[nornir.core.inventory.Host, Any], bool] = None, **kwargs) → nornir.core.inventory.Inventory
groups
hosts
classmethod schema() → Dict[str, Any]

Return serialized dictionary of inventory

class nornir.core.inventory.InventoryElement(hostname: Optional[str] = None, port: Optional[int] = None, username: Optional[str] = None, password: Optional[str] = None, platform: Optional[str] = None, groups: Optional[nornir.core.inventory.ParentGroups] = None, data: Optional[Dict[str, Any]] = None, connection_options: Optional[Dict[str, nornir.core.inventory.ConnectionOptions]] = None)
connection_options
data
dict() → Dict[str, Any]
groups
classmethod schema() → Dict[str, Any]
class nornir.core.inventory.ParentGroups