def fake_reserve(context, **deltas):
    requested = deltas.pop(resource, 0)
    if (requested > allowed):
        quotas = dict(instances=1, cores=1, ram=1)
        quotas[resource] = quota
        usages = dict(instances=dict(in_use=0, reserved=0), cores=dict(in_use=0, reserved=0), ram=dict(in_use=0, reserved=0))
        usages[resource]['in_use'] = ((quotas[resource] * 0.9) - allowed)
        usages[resource]['reserved'] = (quotas[resource] * 0.1)
        raise exc.OverQuota(overs=[resource], quotas=quotas, usages=usages)
def fake_reserve(context, **deltas):
    requested = deltas.pop(resource, 0)
    if (requested > allowed):
        quotas = dict(instances=1, cores=1, ram=1)
        quotas[resource] = quota
        usages = dict(instances=dict(in_use=0, reserved=0), cores=dict(in_use=0, reserved=0), ram=dict(in_use=0, reserved=0))
        usages[resource]['in_use'] = ((quotas[resource] * 0.9) - allowed)
        usages[resource]['reserved'] = (quotas[resource] * 0.1)
        raise exc.OverQuota(overs=[resource], quotas=quotas, usages=usages)