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vendor files
This commit is contained in:
Serguei Bezverkhi
187
vendor/k8s.io/kubernetes/cmd/kube-controller-manager/app/plugins.go
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vendored
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187
vendor/k8s.io/kubernetes/cmd/kube-controller-manager/app/plugins.go
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/*
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Copyright 2014 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 app
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import (
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// This file exists to force the desired plugin implementations to be linked.
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// This should probably be part of some configuration fed into the build for a
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// given binary target.
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"fmt"
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// Cloud providers
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"k8s.io/kubernetes/pkg/apis/componentconfig"
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_ "k8s.io/kubernetes/pkg/cloudprovider/providers"
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// Volume plugins
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"github.com/golang/glog"
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"k8s.io/kubernetes/pkg/cloudprovider"
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"k8s.io/kubernetes/pkg/volume"
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"k8s.io/kubernetes/pkg/volume/aws_ebs"
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"k8s.io/kubernetes/pkg/volume/azure_dd"
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"k8s.io/kubernetes/pkg/volume/azure_file"
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"k8s.io/kubernetes/pkg/volume/cinder"
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"k8s.io/kubernetes/pkg/volume/csi"
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"k8s.io/kubernetes/pkg/volume/fc"
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"k8s.io/kubernetes/pkg/volume/flexvolume"
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"k8s.io/kubernetes/pkg/volume/flocker"
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"k8s.io/kubernetes/pkg/volume/gce_pd"
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"k8s.io/kubernetes/pkg/volume/glusterfs"
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"k8s.io/kubernetes/pkg/volume/host_path"
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"k8s.io/kubernetes/pkg/volume/iscsi"
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"k8s.io/kubernetes/pkg/volume/local"
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"k8s.io/kubernetes/pkg/volume/nfs"
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"k8s.io/kubernetes/pkg/volume/photon_pd"
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"k8s.io/kubernetes/pkg/volume/portworx"
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"k8s.io/kubernetes/pkg/volume/quobyte"
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"k8s.io/kubernetes/pkg/volume/rbd"
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"k8s.io/kubernetes/pkg/volume/scaleio"
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"k8s.io/kubernetes/pkg/volume/storageos"
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volumeutil "k8s.io/kubernetes/pkg/volume/util"
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"k8s.io/kubernetes/pkg/volume/vsphere_volume"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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"k8s.io/kubernetes/pkg/features"
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)
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// ProbeAttachableVolumePlugins collects all volume plugins for the attach/
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// detach controller.
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// The list of plugins is manually compiled. This code and the plugin
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// initialization code for kubelet really, really need a through refactor.
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func ProbeAttachableVolumePlugins() []volume.VolumePlugin {
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allPlugins := []volume.VolumePlugin{}
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allPlugins = append(allPlugins, aws_ebs.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, gce_pd.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, cinder.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, portworx.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, vsphere_volume.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, azure_dd.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, photon_pd.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, scaleio.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, storageos.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, fc.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, iscsi.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, rbd.ProbeVolumePlugins()...)
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if utilfeature.DefaultFeatureGate.Enabled(features.CSIPersistentVolume) {
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allPlugins = append(allPlugins, csi.ProbeVolumePlugins()...)
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}
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return allPlugins
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}
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// GetDynamicPluginProber gets the probers of dynamically discoverable plugins
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// for the attach/detach controller.
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// Currently only Flexvolume plugins are dynamically discoverable.
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func GetDynamicPluginProber(config componentconfig.VolumeConfiguration) volume.DynamicPluginProber {
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return flexvolume.GetDynamicPluginProber(config.FlexVolumePluginDir)
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}
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// ProbeExpandableVolumePlugins returns volume plugins which are expandable
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func ProbeExpandableVolumePlugins(config componentconfig.VolumeConfiguration) []volume.VolumePlugin {
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allPlugins := []volume.VolumePlugin{}
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allPlugins = append(allPlugins, aws_ebs.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, gce_pd.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, cinder.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, portworx.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, vsphere_volume.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, glusterfs.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, rbd.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, azure_dd.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, photon_pd.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, scaleio.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, storageos.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, fc.ProbeVolumePlugins()...)
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if !utilfeature.DefaultFeatureGate.Enabled(features.CSIPersistentVolume) {
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allPlugins = append(allPlugins, csi.ProbeVolumePlugins()...)
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}
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return allPlugins
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}
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// ProbeControllerVolumePlugins collects all persistent volume plugins into an
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// easy to use list. Only volume plugins that implement any of
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// provisioner/recycler/deleter interface should be returned.
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func ProbeControllerVolumePlugins(cloud cloudprovider.Interface, config componentconfig.VolumeConfiguration) []volume.VolumePlugin {
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allPlugins := []volume.VolumePlugin{}
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// The list of plugins to probe is decided by this binary, not
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// by dynamic linking or other "magic". Plugins will be analyzed and
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// initialized later.
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// Each plugin can make use of VolumeConfig. The single arg to this func contains *all* enumerated
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// options meant to configure volume plugins. From that single config, create an instance of volume.VolumeConfig
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// for a specific plugin and pass that instance to the plugin's ProbeVolumePlugins(config) func.
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// HostPath recycling is for testing and development purposes only!
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hostPathConfig := volume.VolumeConfig{
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RecyclerMinimumTimeout: int(config.PersistentVolumeRecyclerConfiguration.MinimumTimeoutHostPath),
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RecyclerTimeoutIncrement: int(config.PersistentVolumeRecyclerConfiguration.IncrementTimeoutHostPath),
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RecyclerPodTemplate: volume.NewPersistentVolumeRecyclerPodTemplate(),
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ProvisioningEnabled: config.EnableHostPathProvisioning,
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}
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if err := AttemptToLoadRecycler(config.PersistentVolumeRecyclerConfiguration.PodTemplateFilePathHostPath, &hostPathConfig); err != nil {
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glog.Fatalf("Could not create hostpath recycler pod from file %s: %+v", config.PersistentVolumeRecyclerConfiguration.PodTemplateFilePathHostPath, err)
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}
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allPlugins = append(allPlugins, host_path.ProbeVolumePlugins(hostPathConfig)...)
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nfsConfig := volume.VolumeConfig{
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RecyclerMinimumTimeout: int(config.PersistentVolumeRecyclerConfiguration.MinimumTimeoutNFS),
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RecyclerTimeoutIncrement: int(config.PersistentVolumeRecyclerConfiguration.IncrementTimeoutNFS),
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RecyclerPodTemplate: volume.NewPersistentVolumeRecyclerPodTemplate(),
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}
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if err := AttemptToLoadRecycler(config.PersistentVolumeRecyclerConfiguration.PodTemplateFilePathNFS, &nfsConfig); err != nil {
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glog.Fatalf("Could not create NFS recycler pod from file %s: %+v", config.PersistentVolumeRecyclerConfiguration.PodTemplateFilePathNFS, err)
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}
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allPlugins = append(allPlugins, nfs.ProbeVolumePlugins(nfsConfig)...)
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allPlugins = append(allPlugins, glusterfs.ProbeVolumePlugins()...)
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// add rbd provisioner
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allPlugins = append(allPlugins, rbd.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, quobyte.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, azure_file.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, flocker.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, portworx.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, scaleio.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, local.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, storageos.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, aws_ebs.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, gce_pd.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, cinder.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, vsphere_volume.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, azure_dd.ProbeVolumePlugins()...)
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allPlugins = append(allPlugins, photon_pd.ProbeVolumePlugins()...)
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return allPlugins
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}
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// AttemptToLoadRecycler tries decoding a pod from a filepath for use as a recycler for a volume.
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// If successful, this method will set the recycler on the config.
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// If unsuccessful, an error is returned. Function is exported for reuse downstream.
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func AttemptToLoadRecycler(path string, config *volume.VolumeConfig) error {
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if path != "" {
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recyclerPod, err := volumeutil.LoadPodFromFile(path)
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if err != nil {
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return err
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}
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if err = volume.ValidateRecyclerPodTemplate(recyclerPod); err != nil {
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return fmt.Errorf("Pod specification (%v): %v", path, err)
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}
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config.RecyclerPodTemplate = recyclerPod
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}
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return nil
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}
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