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/ *
Copyright 2018 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 options
import (
"github.com/spf13/pflag"
kubectrlmgrconfig "k8s.io/kubernetes/pkg/controller/apis/config"
)
// KubeCloudSharedOptions holds the options shared between kube-controller-manager
// and cloud-controller-manager.
type KubeCloudSharedOptions struct {
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* kubectrlmgrconfig . KubeCloudSharedConfiguration
CloudProvider * CloudProviderOptions
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}
// NewKubeCloudSharedOptions returns common/default configuration values for both
// the kube-controller-manager and the cloud-contoller-manager. Any common changes should
// be made here. Any individual changes should be made in that controller.
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func NewKubeCloudSharedOptions ( cfg * kubectrlmgrconfig . KubeCloudSharedConfiguration ) * KubeCloudSharedOptions {
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o := & KubeCloudSharedOptions {
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KubeCloudSharedConfiguration : cfg ,
CloudProvider : & CloudProviderOptions {
CloudProviderConfiguration : & kubectrlmgrconfig . CloudProviderConfiguration { } ,
} ,
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}
return o
}
// AddFlags adds flags related to shared variable for controller manager to the specified FlagSet.
func ( o * KubeCloudSharedOptions ) AddFlags ( fs * pflag . FlagSet ) {
if o == nil {
return
}
o . CloudProvider . AddFlags ( fs )
fs . StringVar ( & o . ExternalCloudVolumePlugin , "external-cloud-volume-plugin" , o . ExternalCloudVolumePlugin , "The plugin to use when cloud provider is set to external. Can be empty, should only be set when cloud-provider is external. Currently used to allow node and volume controllers to work for in tree cloud providers." )
fs . BoolVar ( & o . UseServiceAccountCredentials , "use-service-account-credentials" , o . UseServiceAccountCredentials , "If true, use individual service account credentials for each controller." )
fs . BoolVar ( & o . AllowUntaggedCloud , "allow-untagged-cloud" , false , "Allow the cluster to run without the cluster-id on cloud instances. This is a legacy mode of operation and a cluster-id will be required in the future." )
fs . MarkDeprecated ( "allow-untagged-cloud" , "This flag is deprecated and will be removed in a future release. A cluster-id will be required on cloud instances." )
fs . DurationVar ( & o . RouteReconciliationPeriod . Duration , "route-reconciliation-period" , o . RouteReconciliationPeriod . Duration , "The period for reconciling routes created for Nodes by cloud provider." )
fs . DurationVar ( & o . NodeMonitorPeriod . Duration , "node-monitor-period" , o . NodeMonitorPeriod . Duration ,
"The period for syncing NodeStatus in NodeController." )
fs . StringVar ( & o . ClusterName , "cluster-name" , o . ClusterName , "The instance prefix for the cluster." )
fs . StringVar ( & o . ClusterCIDR , "cluster-cidr" , o . ClusterCIDR , "CIDR Range for Pods in cluster. Requires --allocate-node-cidrs to be true" )
fs . BoolVar ( & o . AllocateNodeCIDRs , "allocate-node-cidrs" , false , "Should CIDRs for Pods be allocated and set on the cloud provider." )
fs . StringVar ( & o . CIDRAllocatorType , "cidr-allocator-type" , "RangeAllocator" , "Type of CIDR allocator to use" )
fs . BoolVar ( & o . ConfigureCloudRoutes , "configure-cloud-routes" , true , "Should CIDRs allocated by allocate-node-cidrs be configured on the cloud provider." )
fs . DurationVar ( & o . NodeSyncPeriod . Duration , "node-sync-period" , 0 , "" +
"This flag is deprecated and will be removed in future releases. See node-monitor-period for Node health checking or " +
"route-reconciliation-period for cloud provider's route configuration settings." )
fs . MarkDeprecated ( "node-sync-period" , "This flag is currently no-op and will be deleted." )
}
// ApplyTo fills up KubeCloudShared config with options.
func ( o * KubeCloudSharedOptions ) ApplyTo ( cfg * kubectrlmgrconfig . KubeCloudSharedConfiguration ) error {
if o == nil {
return nil
}
if err := o . CloudProvider . ApplyTo ( & cfg . CloudProvider ) ; err != nil {
return err
}
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cfg . ExternalCloudVolumePlugin = o . ExternalCloudVolumePlugin
cfg . UseServiceAccountCredentials = o . UseServiceAccountCredentials
cfg . AllowUntaggedCloud = o . AllowUntaggedCloud
cfg . RouteReconciliationPeriod = o . RouteReconciliationPeriod
cfg . NodeMonitorPeriod = o . NodeMonitorPeriod
cfg . ClusterName = o . ClusterName
cfg . ClusterCIDR = o . ClusterCIDR
cfg . AllocateNodeCIDRs = o . AllocateNodeCIDRs
cfg . CIDRAllocatorType = o . CIDRAllocatorType
cfg . ConfigureCloudRoutes = o . ConfigureCloudRoutes
cfg . NodeSyncPeriod = o . NodeSyncPeriod
return nil
}
// Validate checks validation of KubeCloudSharedOptions.
func ( o * KubeCloudSharedOptions ) Validate ( ) [ ] error {
if o == nil {
return nil
}
errs := [ ] error { }
errs = append ( errs , o . CloudProvider . Validate ( ) ... )
return errs
}