def _is_plan_valid()

in cost-optimization/hpa-config-recommender/src/hpaconfigrecommender/run_workload_simulation.py [0:0]

• 40 lines of code
• 4 McCabe index (conditional complexity)

def _is_plan_valid(
        config: Config, plan: WorkloadPlan
        ) -> Tuple[bool, Optional[str]]:
    '''
    Validate an recommendations workload plan based on defined criteria.

    Args:
        plan (WorkloadPlan): The recommendations workload plan to validate.
        config (Config): Run configurations

    Returns:
        bool: Returns True if the recommendations plan is valid, otherwise False.

    Validation criteria:
    - The `max_usage_slope_up_ratio` should not exceed the defined
      `config.HPA_SCALE_LIMIT`.
    - The `recommended_min_replicas` must be less than the
      `recommended_max_replicas`.
    - The recommendations Target CPU must be greater than the config.MIN_HPA_TARGET_CPU
    '''
    HPA_SCALE_LIMIT = config.HPA_SCALE_LIMIT
    MIN_HPA_TARGET_CPU = config.MIN_HPA_TARGET_CPU

    if plan.max_usage_slope_up_ratio > HPA_SCALE_LIMIT:
        msg = 'max_usage_slope_up_ratio: {} exceeds HPA_SCALE_LIMIT {}'.format(
            plan.max_usage_slope_up_ratio, HPA_SCALE_LIMIT
        )
        return False, msg
    if (
        plan.recommended_min_replicas
        > plan.recommended_max_replicas
    ):
        msg = 'min replicas {} greater than  max replicas {}'.format(
            plan.recommended_min_replicas,
            plan.recommended_max_replicas,
        )
        return False, msg
    if plan.recommended_hpa_target_cpu < MIN_HPA_TARGET_CPU:
        msg =(
            'recommended_hpa_target_cpu {} is less than MIN_HPA_TARGET_CPU {}'
            .format(plan.recommended_hpa_target_cpu, MIN_HPA_TARGET_CPU)
        )
        return False, msg
    return True, None