kops/pkg/model/components/kubeproxy.go

70 lines
1.9 KiB
Go

/*
Copyright 2016 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 components
import (
"k8s.io/kops/pkg/apis/kops"
"k8s.io/kops/upup/pkg/fi/loader"
)
// KubeProxyOptionsBuilder adds options for kube-proxy to the model
type KubeProxyOptionsBuilder struct {
Context *OptionsContext
}
var _ loader.OptionsBuilder = &KubeProxyOptionsBuilder{}
func (b *KubeProxyOptionsBuilder) BuildOptions(o interface{}) error {
clusterSpec := o.(*kops.ClusterSpec)
if clusterSpec.KubeProxy == nil {
clusterSpec.KubeProxy = &kops.KubeProxyConfig{}
}
config := clusterSpec.KubeProxy
if config.LogLevel == 0 {
// TODO: No way to set to 0?
config.LogLevel = 2
}
// Any change here should be accompanied by a proportional change in CPU
// requests of other per-node add-ons (e.g. fluentd).
if config.CPURequest == "" {
config.CPURequest = "100m"
}
image, err := Image("kube-proxy", clusterSpec)
if err != nil {
return err
}
config.Image = image
// We set the master URL during node configuration, because if we use the internal dns name,
// then we get a circular dependency:
// * kube-proxy uses DNS for resolution
// * dns is set up by dns-controller
// * dns-controller talks to the API using the kube-proxy configured kubernetes service
if config.ClusterCIDR == "" {
if clusterSpec.KubeControllerManager != nil {
config.ClusterCIDR = clusterSpec.KubeControllerManager.ClusterCIDR
}
}
return nil
}