forked from pingcap/kops
/
kubescheduler.go
74 lines (58 loc) · 1.92 KB
/
kubescheduler.go
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/*
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 (
"fmt"
"k8s.io/kops/pkg/apis/kops"
"k8s.io/kops/upup/pkg/fi"
"k8s.io/kops/upup/pkg/fi/loader"
)
// KubeSchedulerOptionsBuilder adds options for kube-scheduler to the model
type KubeSchedulerOptionsBuilder struct {
*OptionsContext
}
var _ loader.OptionsBuilder = &KubeSchedulerOptionsBuilder{}
func (b *KubeSchedulerOptionsBuilder) BuildOptions(o interface{}) error {
clusterSpec := o.(*kops.ClusterSpec)
if clusterSpec.KubeScheduler == nil {
clusterSpec.KubeScheduler = &kops.KubeSchedulerConfig{}
}
config := clusterSpec.KubeScheduler
if config.UsePolicyConfigMap != nil && b.IsKubernetesLT("v1.7.0") {
return fmt.Errorf("usePolicyConfigMap is only supported in Kubernetes 1.7.0 or later")
}
if config.LogLevel == 0 {
// TODO: No way to set to 0?
config.LogLevel = 2
}
if config.Image == "" {
image, err := Image("kube-scheduler", clusterSpec, b.AssetBuilder)
if err != nil {
return err
}
config.Image = image
}
if config.LeaderElection == nil {
// Doesn't seem to be any real downside to always doing a leader election
config.LeaderElection = &kops.LeaderElectionConfiguration{
LeaderElect: fi.Bool(true),
}
}
if config.Master == "" {
if b.IsKubernetesLT("1.6") {
// Backwards compatibility with pre-RBAC/pre-1.6 way of doing things
config.Master = "http://127.0.0.1:8080"
}
}
return nil
}