mirror of https://github.com/k3s-io/k3s
79 lines
4.3 KiB
Go
79 lines
4.3 KiB
Go
// +build !providerless
|
|
|
|
/*
|
|
Copyright 2019 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package app
|
|
|
|
import (
|
|
"k8s.io/component-base/featuregate"
|
|
"k8s.io/csi-translation-lib/plugins"
|
|
"k8s.io/klog/v2"
|
|
"k8s.io/kubernetes/pkg/features"
|
|
"k8s.io/kubernetes/pkg/volume"
|
|
"k8s.io/kubernetes/pkg/volume/awsebs"
|
|
"k8s.io/kubernetes/pkg/volume/azure_dd"
|
|
"k8s.io/kubernetes/pkg/volume/azure_file"
|
|
"k8s.io/kubernetes/pkg/volume/cinder"
|
|
"k8s.io/kubernetes/pkg/volume/csimigration"
|
|
"k8s.io/kubernetes/pkg/volume/gcepd"
|
|
"k8s.io/kubernetes/pkg/volume/vsphere_volume"
|
|
)
|
|
|
|
type probeFn func() []volume.VolumePlugin
|
|
|
|
func appendPluginBasedOnMigrationFeatureFlags(plugins []volume.VolumePlugin, inTreePluginName string, featureGate featuregate.FeatureGate, pluginMigration, pluginMigrationComplete featuregate.Feature, fn probeFn) ([]volume.VolumePlugin, error) {
|
|
// Skip appending the in-tree plugin to the list of plugins to be probed/initialized
|
|
// if the CSIMigration feature flag and plugin specific feature flag indicating
|
|
// CSI migration is complete
|
|
err := csimigration.CheckMigrationFeatureFlags(featureGate, pluginMigration, pluginMigrationComplete)
|
|
if err != nil {
|
|
klog.Warningf("Unexpected CSI Migration Feature Flags combination detected: %v. CSI Migration may not take effect", err)
|
|
// TODO: fail and return here once alpha only tests can set the feature flags for a plugin correctly
|
|
}
|
|
if featureGate.Enabled(features.CSIMigration) && featureGate.Enabled(pluginMigration) && featureGate.Enabled(pluginMigrationComplete) {
|
|
klog.Infof("Skip registration of plugin %s since feature flag %v is enabled", inTreePluginName, pluginMigrationComplete)
|
|
return plugins, nil
|
|
}
|
|
plugins = append(plugins, fn()...)
|
|
return plugins, nil
|
|
}
|
|
|
|
type pluginInfo struct {
|
|
pluginMigrationFeature featuregate.Feature
|
|
pluginMigrationCompleteFeature featuregate.Feature
|
|
pluginProbeFunction probeFn
|
|
}
|
|
|
|
func appendLegacyProviderVolumes(allPlugins []volume.VolumePlugin, featureGate featuregate.FeatureGate) ([]volume.VolumePlugin, error) {
|
|
pluginMigrationStatus := make(map[string]pluginInfo)
|
|
pluginMigrationStatus[plugins.AWSEBSInTreePluginName] = pluginInfo{pluginMigrationFeature: features.CSIMigrationAWS, pluginMigrationCompleteFeature: features.CSIMigrationAWSComplete, pluginProbeFunction: awsebs.ProbeVolumePlugins}
|
|
pluginMigrationStatus[plugins.GCEPDInTreePluginName] = pluginInfo{pluginMigrationFeature: features.CSIMigrationGCE, pluginMigrationCompleteFeature: features.CSIMigrationGCEComplete, pluginProbeFunction: gcepd.ProbeVolumePlugins}
|
|
pluginMigrationStatus[plugins.CinderInTreePluginName] = pluginInfo{pluginMigrationFeature: features.CSIMigrationOpenStack, pluginMigrationCompleteFeature: features.CSIMigrationOpenStackComplete, pluginProbeFunction: cinder.ProbeVolumePlugins}
|
|
pluginMigrationStatus[plugins.AzureDiskInTreePluginName] = pluginInfo{pluginMigrationFeature: features.CSIMigrationAzureDisk, pluginMigrationCompleteFeature: features.CSIMigrationAzureDiskComplete, pluginProbeFunction: azure_dd.ProbeVolumePlugins}
|
|
pluginMigrationStatus[plugins.AzureFileInTreePluginName] = pluginInfo{pluginMigrationFeature: features.CSIMigrationAzureFile, pluginMigrationCompleteFeature: features.CSIMigrationAzureFileComplete, pluginProbeFunction: azure_file.ProbeVolumePlugins}
|
|
pluginMigrationStatus[plugins.VSphereInTreePluginName] = pluginInfo{pluginMigrationFeature: features.CSIMigrationvSphere, pluginMigrationCompleteFeature: features.CSIMigrationvSphereComplete, pluginProbeFunction: vsphere_volume.ProbeVolumePlugins}
|
|
|
|
var err error
|
|
for pluginName, pluginInfo := range pluginMigrationStatus {
|
|
allPlugins, err = appendPluginBasedOnMigrationFeatureFlags(allPlugins, pluginName, featureGate, pluginInfo.pluginMigrationFeature, pluginInfo.pluginMigrationCompleteFeature, pluginInfo.pluginProbeFunction)
|
|
if err != nil {
|
|
return allPlugins, err
|
|
}
|
|
}
|
|
return allPlugins, nil
|
|
}
|