SAT Policy Specification

Spec

The specification for Policy has the following fields.

The specification is not entirely finalised or fixed. Field names and types may change over the course of the project.

targets: list
Present on all policies that target specific Microservices. A list of Microservice names to target with this policy.

ApplicationPolicy

Base policy type for targeting an entire application.

MicroservicePolicy

Base policy type for targeting specific microservices.

Scheduling

Policy type for scheduling.

Scheduling.Colocation

Policy type for colocating multiple microservices on a specific host.

Reconfiguration

Policy type for reconfiguring an application at runtime.

constants: map
Constant values that can be used in the reconfiguration policy.
rule: string (required)
The reconfiguration rule, expressed as a multi-line string.

RegistryLogin

Policy type for logging into a container registry.

username: string (required)
The username for the container registry.
password: string (required)
The password or token for the container registry.
registry_url: string (required)
The URL of the container registry.

QoS

Quality of Service (QoS) policies for applications. Cannot target a specific Microservice.

priority: float
Priority level of the application (higher number means higher priority).
target: integer
Target value for the QoS metric.

QoS.Energy.Budget

Energy policy type

QoS.Cost.Budget

Cost policy type

QoS.Performance.Bandwidth

Bandwidth policy type

QoS.Performance.Latency

Latency policy type