ad68f9588c
We want to make the return type of the GetDevices() method of the podresources DevicesProvider interface consistent with the newly added GetAllocatableDevices type. This makes the code easier to read and reduces the coupling between the podresourcesapi server and the devicemanager code. No intended changes in behaviour, but the different return types now requires some data massaging. Tests are updated accordingly. Signed-off-by: Francesco Romani <fromani@redhat.com>
100 lines
3.0 KiB
Go
100 lines
3.0 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package devicemanager
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import (
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v1 "k8s.io/api/core/v1"
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"k8s.io/kubernetes/pkg/kubelet/cm/topologymanager"
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"k8s.io/kubernetes/pkg/kubelet/config"
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"k8s.io/kubernetes/pkg/kubelet/lifecycle"
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"k8s.io/kubernetes/pkg/kubelet/pluginmanager/cache"
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schedulerframework "k8s.io/kubernetes/pkg/scheduler/framework"
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)
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// ManagerStub provides a simple stub implementation for the Device Manager.
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type ManagerStub struct{}
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// NewManagerStub creates a ManagerStub.
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func NewManagerStub() (*ManagerStub, error) {
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return &ManagerStub{}, nil
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}
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// Start simply returns nil.
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func (h *ManagerStub) Start(activePods ActivePodsFunc, sourcesReady config.SourcesReady) error {
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return nil
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}
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// Stop simply returns nil.
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func (h *ManagerStub) Stop() error {
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return nil
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}
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// Allocate simply returns nil.
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func (h *ManagerStub) Allocate(pod *v1.Pod, container *v1.Container) error {
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return nil
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}
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// UpdatePluginResources simply returns nil.
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func (h *ManagerStub) UpdatePluginResources(node *schedulerframework.NodeInfo, attrs *lifecycle.PodAdmitAttributes) error {
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return nil
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}
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// GetDeviceRunContainerOptions simply returns nil.
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func (h *ManagerStub) GetDeviceRunContainerOptions(pod *v1.Pod, container *v1.Container) (*DeviceRunContainerOptions, error) {
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return nil, nil
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}
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// GetCapacity simply returns nil capacity and empty removed resource list.
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func (h *ManagerStub) GetCapacity() (v1.ResourceList, v1.ResourceList, []string) {
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return nil, nil, []string{}
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}
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// GetWatcherHandler returns plugin watcher interface
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func (h *ManagerStub) GetWatcherHandler() cache.PluginHandler {
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return nil
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}
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// GetTopologyHints returns an empty TopologyHint map
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func (h *ManagerStub) GetTopologyHints(pod *v1.Pod, container *v1.Container) map[string][]topologymanager.TopologyHint {
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return map[string][]topologymanager.TopologyHint{}
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}
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// GetPodTopologyHints returns an empty TopologyHint map
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func (h *ManagerStub) GetPodTopologyHints(pod *v1.Pod) map[string][]topologymanager.TopologyHint {
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return map[string][]topologymanager.TopologyHint{}
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}
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// GetDevices returns nil
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func (h *ManagerStub) GetDevices(_, _ string) ResourceDeviceInstances {
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return nil
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}
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// GetAllocatableDevices returns nothing
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func (h *ManagerStub) GetAllocatableDevices() ResourceDeviceInstances {
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return nil
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}
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// ShouldResetExtendedResourceCapacity returns false
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func (h *ManagerStub) ShouldResetExtendedResourceCapacity() bool {
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return false
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}
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// UpdateAllocatedDevices returns nothing
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func (h *ManagerStub) UpdateAllocatedDevices() {
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return
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}
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