mirror of
https://github.com/intel/intel-device-plugins-for-kubernetes.git
synced 2025-06-03 03:59:37 +00:00
d8cd5814d7
this commits also changes validatePluginImage() to allow image version as a parameter so that it can be used by by other webooks too. Signed-off-by: Mikko Ylinen <mikko.ylinen@intel.com>
272 lines
7.4 KiB
Go
272 lines
7.4 KiB
Go
// Copyright 2020 Intel Corporation. All Rights Reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// Package fpga contains FPGA specific reconciliation logic.
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package fpga
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import (
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"context"
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"reflect"
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"strconv"
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"strings"
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apps "k8s.io/api/apps/v1"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/client-go/tools/reference"
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ctrl "sigs.k8s.io/controller-runtime"
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"sigs.k8s.io/controller-runtime/pkg/client"
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devicepluginv1 "github.com/intel/intel-device-plugins-for-kubernetes/pkg/apis/deviceplugin/v1"
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"github.com/intel/intel-device-plugins-for-kubernetes/pkg/controllers"
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"github.com/pkg/errors"
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)
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const (
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ownerKey = ".metadata.controller.fpga"
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appLabel = "intel-fpga-plugin"
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)
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// +kubebuilder:rbac:groups=deviceplugin.intel.com,resources=fpgadeviceplugins,verbs=get;list;watch;create;update;patch;delete
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// +kubebuilder:rbac:groups=deviceplugin.intel.com,resources=fpgadeviceplugins/status,verbs=get;update;patch
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// SetupReconciler creates a new reconciler for FpgaDevicePlugin objects.
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func SetupReconciler(mgr ctrl.Manager) error {
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c := &controller{scheme: mgr.GetScheme()}
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return controllers.SetupWithManager(mgr, c, devicepluginv1.GroupVersion.String(), "FpgaDevicePlugin", ownerKey)
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}
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type controller struct {
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scheme *runtime.Scheme
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}
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func (c *controller) CreateEmptyObject() runtime.Object {
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return &devicepluginv1.FpgaDevicePlugin{}
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}
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func (c *controller) GetTotalObjectCount(ctx context.Context, clnt client.Client) (int, error) {
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var list devicepluginv1.FpgaDevicePluginList
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if err := clnt.List(ctx, &list); err != nil {
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return 0, err
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}
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return len(list.Items), nil
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}
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func (c *controller) NewDaemonSet(rawObj runtime.Object) *apps.DaemonSet {
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devicePlugin := rawObj.(*devicepluginv1.FpgaDevicePlugin)
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yes := true
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directoryOrCreate := v1.HostPathDirectoryOrCreate
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return &apps.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: devicePlugin.Namespace,
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GenerateName: devicePlugin.Name + "-",
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Labels: map[string]string{
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"app": appLabel,
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},
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},
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Spec: apps.DaemonSetSpec{
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{
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"app": appLabel,
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},
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},
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Template: v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"app": appLabel,
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},
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{
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Args: getPodArgs(devicePlugin),
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Env: []v1.EnvVar{
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{
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Name: "NODE_NAME",
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ValueFrom: &v1.EnvVarSource{
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FieldRef: &v1.ObjectFieldSelector{
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FieldPath: "spec.nodeName",
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},
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},
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},
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},
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Image: devicePlugin.Spec.Image,
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ImagePullPolicy: "IfNotPresent",
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Name: appLabel,
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SecurityContext: &v1.SecurityContext{
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ReadOnlyRootFilesystem: &yes,
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},
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TerminationMessagePath: "/tmp/termination-log",
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VolumeMounts: []v1.VolumeMount{
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{
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MountPath: "/dev",
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Name: "devfs",
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ReadOnly: true,
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},
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{
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MountPath: "/sys/class",
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Name: "sysfs",
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ReadOnly: true,
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},
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{
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MountPath: "/var/lib/kubelet/device-plugins",
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Name: "kubeletsockets",
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},
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},
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},
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},
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InitContainers: []v1.Container{
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{
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Image: devicePlugin.Spec.InitImage,
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ImagePullPolicy: "IfNotPresent",
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Name: "intel-fpga-initcontainer",
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SecurityContext: &v1.SecurityContext{
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ReadOnlyRootFilesystem: &yes,
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},
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VolumeMounts: []v1.VolumeMount{
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{
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MountPath: "/opt/intel/fpga-sw",
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Name: "intel-fpga-sw",
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},
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{
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MountPath: "/etc/containers/oci/hooks.d",
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Name: "oci-hooks-config",
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},
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},
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},
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},
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NodeSelector: devicePlugin.Spec.NodeSelector,
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Volumes: []v1.Volume{
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{
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Name: "devfs",
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VolumeSource: v1.VolumeSource{
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HostPath: &v1.HostPathVolumeSource{
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Path: "/dev",
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},
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},
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},
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{
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Name: "sysfs",
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VolumeSource: v1.VolumeSource{
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HostPath: &v1.HostPathVolumeSource{
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Path: "/sys/class",
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},
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},
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},
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{
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Name: "kubeletsockets",
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VolumeSource: v1.VolumeSource{
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HostPath: &v1.HostPathVolumeSource{
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Path: "/var/lib/kubelet/device-plugins",
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},
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},
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},
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{
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Name: "intel-fpga-sw",
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VolumeSource: v1.VolumeSource{
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HostPath: &v1.HostPathVolumeSource{
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Path: "/opt/intel/fpga-sw",
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Type: &directoryOrCreate,
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},
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},
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},
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{
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Name: "oci-hooks-config",
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VolumeSource: v1.VolumeSource{
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HostPath: &v1.HostPathVolumeSource{
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Path: "/etc/containers/oci/hooks.d",
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Type: &directoryOrCreate,
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},
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},
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},
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},
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},
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},
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},
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}
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}
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func (c *controller) UpdateDaemonSet(rawObj runtime.Object, ds *apps.DaemonSet) (updated bool) {
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dp := rawObj.(*devicepluginv1.FpgaDevicePlugin)
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if ds.Spec.Template.Spec.Containers[0].Image != dp.Spec.Image {
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ds.Spec.Template.Spec.Containers[0].Image = dp.Spec.Image
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updated = true
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}
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if ds.Spec.Template.Spec.InitContainers[0].Image != dp.Spec.InitImage {
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ds.Spec.Template.Spec.InitContainers[0].Image = dp.Spec.InitImage
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updated = true
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}
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if !reflect.DeepEqual(ds.Spec.Template.Spec.NodeSelector, dp.Spec.NodeSelector) {
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ds.Spec.Template.Spec.NodeSelector = dp.Spec.NodeSelector
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updated = true
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}
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newargs := getPodArgs(dp)
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if strings.Join(ds.Spec.Template.Spec.Containers[0].Args, " ") != strings.Join(newargs, " ") {
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ds.Spec.Template.Spec.Containers[0].Args = newargs
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updated = true
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}
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return updated
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}
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func (c *controller) UpdateStatus(rawObj runtime.Object, ds *apps.DaemonSet, nodeNames []string) (updated bool, err error) {
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dp := rawObj.(*devicepluginv1.FpgaDevicePlugin)
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dsRef, err := reference.GetReference(c.scheme, ds)
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if err != nil {
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return false, errors.Wrap(err, "unable to make reference to controlled daemon set")
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}
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if dp.Status.ControlledDaemonSet.UID != dsRef.UID {
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dp.Status.ControlledDaemonSet = *dsRef
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updated = true
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}
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if dp.Status.DesiredNumberScheduled != ds.Status.DesiredNumberScheduled {
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dp.Status.DesiredNumberScheduled = ds.Status.DesiredNumberScheduled
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updated = true
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}
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if dp.Status.NumberReady != ds.Status.NumberReady {
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dp.Status.NumberReady = ds.Status.NumberReady
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updated = true
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}
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if strings.Join(dp.Status.NodeNames, ",") != strings.Join(nodeNames, ",") {
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dp.Status.NodeNames = nodeNames
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updated = true
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}
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return updated, nil
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}
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func getPodArgs(dp *devicepluginv1.FpgaDevicePlugin) []string {
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args := make([]string, 0, 8)
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args = append(args, "-v", strconv.Itoa(dp.Spec.LogLevel))
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if dp.Spec.Mode != "" {
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args = append(args, "-mode", dp.Spec.Mode)
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} else {
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args = append(args, "-mode", "af")
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}
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return args
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}
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