dragon.globalservices.node

Global Services API for the Node primary resource component.

The ‘Node’ component abstracts the hardware on a node level, providing information like the number of CPUs or the amount of memory available on the node.

Functions

get_list()	Asks Global Services for a list of the h_uids of all nodes.
query(identifier)	Asks GS for the node descriptor beloging to a node identified by name or h_uid .
query_total_cpus()	Asks GS to return the total number of CPUS beloging to all of the registered nodes.

Exceptions

DragonNodeError

exception DragonNodeError

query(identifier) → NodeDescriptor

Asks GS for the node descriptor beloging to a node identified by name or h_uid .

Parameters

identifier – Node id to query. This is the name if of type str, h_uid if of type int

Returns

descriptor

Raises

query_total_cpus() → int

Asks GS to return the total number of CPUS beloging to all of the registered nodes.

Returns

integer value of the number of cpus

Raises

get_list() → list[int]

Asks Global Services for a list of the h_uids of all nodes.

Returns

list of the h_uids of all currently existing memory pools