Programmable diagnosis model for correlation of network events

A controller device for managing a device group of a network, the controller device comprising:

• a network interface;
• a memory;
• and
• processing circuitry in communication with the memory, the processing circuitry being configured to:
• receive, using a programmable diagnosis service executed by the processing circuitry, a programming input;
• form, using the programmable diagnosis service, based on the programming input, a resource definition graph that models interdependencies between a plurality of resources supported by the device group;
• detect, using the programmable diagnosis service, an event affecting a first resource of the plurality of resources;
• and
• identify, using the programmable diagnosis service, based on the interdependencies modeled in the resource definition graph formed based on the programming input, a root cause event that caused the event affecting the first resource, the root cause event occurring at a second resource of the plurality of resources.

A non-transitory computer-readable medium encoded with instructions that, when executed, cause processing circuitry of a controller device for managing a device group of a network to:

• receive, using a programmable diagnosis service executed by the processing circuitry, a programming input;
• form, using the programmable diagnosis service, based on the programming input, a resource definition graph that models interdependencies between a plurality of resources supported by the device group;
• detect, using the programmable diagnosis service, an event affecting a first resource of the plurality of resources;
• and
• identify, using the programmable diagnosis service, based on the interdependencies modeled in the resource definition graph formed based on the programming input, a root cause event that caused the event affecting the first resource, the root cause event occurring at a second resource of the plurality of resources.