mirror of https://github.com/kubernetes/kops.git
65 lines
1.7 KiB
Go
65 lines
1.7 KiB
Go
/*
|
|
Copyright 2021 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 dns
|
|
|
|
import (
|
|
"k8s.io/kops/nodeup/pkg/model"
|
|
"k8s.io/kops/pkg/dns"
|
|
"k8s.io/kops/upup/pkg/fi"
|
|
"k8s.io/kops/upup/pkg/fi/nodeup/nodetasks/dnstasks"
|
|
)
|
|
|
|
// GossipBuilder seeds some hostnames into /etc/hosts, avoiding some circular dependencies.
|
|
type GossipBuilder struct {
|
|
*model.NodeupModelContext
|
|
}
|
|
|
|
var _ fi.ModelBuilder = &GossipBuilder{}
|
|
|
|
// Build is responsible for configuring the gossip DNS tasks.
|
|
func (b *GossipBuilder) Build(c *fi.ModelBuilderContext) error {
|
|
useGossip := dns.IsGossipHostname(b.Cluster.Spec.MasterInternalName)
|
|
if !useGossip {
|
|
return nil
|
|
}
|
|
|
|
if b.IsMaster {
|
|
task := &dnstasks.UpdateEtcHostsTask{
|
|
Name: "control-plane-bootstrap",
|
|
}
|
|
|
|
if b.Cluster.Spec.MasterInternalName != "" {
|
|
task.Records = append(task.Records, dnstasks.HostRecord{
|
|
Hostname: b.Cluster.Spec.MasterInternalName,
|
|
Addresses: []string{"127.0.0.1"},
|
|
})
|
|
}
|
|
if b.Cluster.Spec.MasterPublicName != "" {
|
|
task.Records = append(task.Records, dnstasks.HostRecord{
|
|
Hostname: b.Cluster.Spec.MasterPublicName,
|
|
Addresses: []string{"127.0.0.1"},
|
|
})
|
|
}
|
|
|
|
if len(task.Records) != 0 {
|
|
c.AddTask(task)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|