mirror of https://github.com/kubernetes/kops.git
66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
/*
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Copyright 2021 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 model
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import (
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"k8s.io/kops/upup/pkg/fi"
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"k8s.io/kops/upup/pkg/fi/nodeup/nodetasks"
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)
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// EtcHostsBuilder seeds some hostnames into /etc/hosts, avoiding some circular dependencies.
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type EtcHostsBuilder struct {
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*NodeupModelContext
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}
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var _ fi.NodeupModelBuilder = &EtcHostsBuilder{}
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// Build is responsible for configuring the gossip DNS tasks.
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func (b *EtcHostsBuilder) Build(c *fi.NodeupModelBuilderContext) error {
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task := &nodetasks.UpdateEtcHostsTask{
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Name: "control-plane-address",
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}
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if b.IsMaster && !b.PublishesDNSRecords() {
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task.Records = append(task.Records, nodetasks.HostRecord{
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Hostname: b.APIInternalName(),
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Addresses: []string{"127.0.0.1"},
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})
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if b.NodeupConfig.APIServerConfig.API.PublicName != "" {
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task.Records = append(task.Records, nodetasks.HostRecord{
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Hostname: b.NodeupConfig.APIServerConfig.API.PublicName,
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Addresses: []string{"127.0.0.1"},
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})
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}
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} else if len(b.BootConfig.APIServerIPs) > 0 {
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task.Records = append(task.Records, nodetasks.HostRecord{
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Hostname: b.APIInternalName(),
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Addresses: b.BootConfig.APIServerIPs,
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})
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task.Records = append(task.Records, nodetasks.HostRecord{
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Hostname: "kops-controller.internal." + b.NodeupConfig.ClusterName,
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Addresses: b.BootConfig.APIServerIPs,
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})
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}
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if len(task.Records) != 0 {
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c.AddTask(task)
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}
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return nil
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}
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