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92 lines
5.3 KiB
Go
92 lines
5.3 KiB
Go
/*
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Copyright 2016 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 options
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import (
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"time"
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"github.com/spf13/pflag"
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)
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// VolumeConfigFlags is used to bind CLI flags to variables. This top-level struct contains *all* enumerated
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// CLI flags meant to configure all volume plugins. From this config, the binary will create many instances
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// of volume.VolumeConfig which are then passed to the appropriate plugin. The ControllerManager binary is the only
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// part of the code which knows what plugins are supported and which CLI flags correspond to each plugin.
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type VolumeConfigFlags struct {
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PersistentVolumeRecyclerMaximumRetry int
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PersistentVolumeRecyclerMinimumTimeoutNFS int
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PersistentVolumeRecyclerPodTemplateFilePathNFS string
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PersistentVolumeRecyclerIncrementTimeoutNFS int
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PersistentVolumeRecyclerPodTemplateFilePathHostPath string
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PersistentVolumeRecyclerMinimumTimeoutHostPath int
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PersistentVolumeRecyclerIncrementTimeoutHostPath int
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EnableHostPathProvisioning bool
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EnableDynamicProvisioning bool
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}
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type PersistentVolumeControllerOptions struct {
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PVClaimBinderSyncPeriod time.Duration
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VolumeConfigFlags VolumeConfigFlags
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}
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func NewPersistentVolumeControllerOptions() PersistentVolumeControllerOptions {
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return PersistentVolumeControllerOptions{
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PVClaimBinderSyncPeriod: 15 * time.Second,
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VolumeConfigFlags: VolumeConfigFlags{
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// default values here
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PersistentVolumeRecyclerMaximumRetry: 3,
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PersistentVolumeRecyclerMinimumTimeoutNFS: 300,
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PersistentVolumeRecyclerIncrementTimeoutNFS: 30,
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PersistentVolumeRecyclerMinimumTimeoutHostPath: 60,
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PersistentVolumeRecyclerIncrementTimeoutHostPath: 30,
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EnableHostPathProvisioning: false,
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EnableDynamicProvisioning: true,
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},
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}
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}
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func (o *PersistentVolumeControllerOptions) AddFlags(fs *pflag.FlagSet) {
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fs.DurationVar(&o.PVClaimBinderSyncPeriod, "pvclaimbinder-sync-period", o.PVClaimBinderSyncPeriod,
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"The period for syncing persistent volumes and persistent volume claims")
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fs.StringVar(&o.VolumeConfigFlags.PersistentVolumeRecyclerPodTemplateFilePathNFS,
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"pv-recycler-pod-template-filepath-nfs", o.VolumeConfigFlags.PersistentVolumeRecyclerPodTemplateFilePathNFS,
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"The file path to a pod definition used as a template for NFS persistent volume recycling")
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fs.IntVar(&o.VolumeConfigFlags.PersistentVolumeRecyclerMinimumTimeoutNFS, "pv-recycler-minimum-timeout-nfs",
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o.VolumeConfigFlags.PersistentVolumeRecyclerMinimumTimeoutNFS, "The minimum ActiveDeadlineSeconds to use for an NFS Recycler pod")
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fs.IntVar(&o.VolumeConfigFlags.PersistentVolumeRecyclerIncrementTimeoutNFS, "pv-recycler-increment-timeout-nfs",
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o.VolumeConfigFlags.PersistentVolumeRecyclerIncrementTimeoutNFS, "the increment of time added per Gi to ActiveDeadlineSeconds for an NFS scrubber pod")
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fs.StringVar(&o.VolumeConfigFlags.PersistentVolumeRecyclerPodTemplateFilePathHostPath, "pv-recycler-pod-template-filepath-hostpath",
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o.VolumeConfigFlags.PersistentVolumeRecyclerPodTemplateFilePathHostPath,
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"The file path to a pod definition used as a template for HostPath persistent volume recycling. "+
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"This is for development and testing only and will not work in a multi-node cluster.")
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fs.IntVar(&o.VolumeConfigFlags.PersistentVolumeRecyclerMinimumTimeoutHostPath, "pv-recycler-minimum-timeout-hostpath",
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o.VolumeConfigFlags.PersistentVolumeRecyclerMinimumTimeoutHostPath,
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"The minimum ActiveDeadlineSeconds to use for a HostPath Recycler pod. This is for development and testing only and will not work in a multi-node cluster.")
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fs.IntVar(&o.VolumeConfigFlags.PersistentVolumeRecyclerIncrementTimeoutHostPath, "pv-recycler-timeout-increment-hostpath",
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o.VolumeConfigFlags.PersistentVolumeRecyclerIncrementTimeoutHostPath,
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"the increment of time added per Gi to ActiveDeadlineSeconds for a HostPath scrubber pod. "+
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"This is for development and testing only and will not work in a multi-node cluster.")
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fs.IntVar(&o.VolumeConfigFlags.PersistentVolumeRecyclerMaximumRetry, "pv-recycler-maximum-retry",
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o.VolumeConfigFlags.PersistentVolumeRecyclerMaximumRetry,
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"Maximum number of attempts to recycle or delete a persistent volume")
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fs.BoolVar(&o.VolumeConfigFlags.EnableHostPathProvisioning, "enable-hostpath-provisioner", o.VolumeConfigFlags.EnableHostPathProvisioning,
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"Enable HostPath PV provisioning when running without a cloud provider. This allows testing and development of provisioning features. "+
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"HostPath provisioning is not supported in any way, won't work in a multi-node cluster, and should not be used for anything other than testing or development.")
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fs.BoolVar(&o.VolumeConfigFlags.EnableDynamicProvisioning, "enable-dynamic-provisioning", o.VolumeConfigFlags.EnableDynamicProvisioning,
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"Enable dynamic provisioning for environments that support it.")
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}
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