mirror of https://github.com/kubernetes/kops.git
93 lines
2.7 KiB
Go
93 lines
2.7 KiB
Go
/*
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Copyright 2016 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/cloudup/awstasks"
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"strings"
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)
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// DNSModelBuilder builds DNS related model objects
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type DNSModelBuilder struct {
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*KopsModelContext
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}
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var _ fi.ModelBuilder = &DNSModelBuilder{}
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func (b *DNSModelBuilder) Build(c *fi.ModelBuilderContext) error {
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// Add a HostedZone if we are going to publish a dns record that depends on it
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if b.UsePrivateDNS() || b.UsesBastionDns() {
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// UsePrivateDNS is only exposed as a feature flag currently
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// TODO: We may still need a public zone to publish an ELB
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// Check to see if we are using a bastion DNS record that points to the hosted zone
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// If we are, we need to make sure we include the hosted zone as a task
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// Configuration for a DNS zone, attached to our VPC
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dnsZone := &awstasks.DNSZone{
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Name: s("private-" + b.Cluster.Spec.DNSZone),
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Private: fi.Bool(true),
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PrivateVPC: b.LinkToVPC(),
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}
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if !strings.Contains(b.Cluster.Spec.DNSZone, ".") {
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// Looks like a hosted zone ID
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dnsZone.ZoneID = s(b.Cluster.Spec.DNSZone)
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} else {
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// Looks like a normal ddns name
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dnsZone.DNSName = s(b.Cluster.Spec.DNSZone)
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}
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c.AddTask(dnsZone)
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} else if b.UseLoadBalancerForAPI() {
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// This will point our DNS to the load balancer, and put the pieces
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// together for kubectl to be work
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// Configuration for a DNS name for the master
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dnsZone := &awstasks.DNSZone{
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Name: s(b.Cluster.Spec.DNSZone),
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Private: fi.Bool(false),
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}
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if !strings.Contains(b.Cluster.Spec.DNSZone, ".") {
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// Looks like a hosted zone ID
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dnsZone.ZoneID = s(b.Cluster.Spec.DNSZone)
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} else {
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// Looks like a normal ddns name
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dnsZone.DNSName = s(b.Cluster.Spec.DNSZone)
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}
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c.AddTask(dnsZone)
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}
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if b.UseLoadBalancerForAPI() {
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// This will point our DNS to the load balancer, and put the pieces
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// together for kubectl to be work
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dnsName := &awstasks.DNSName{
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Name: s(b.Cluster.Spec.MasterPublicName),
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Zone: &awstasks.DNSZone{Name: s(b.Cluster.Spec.DNSZone)},
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ResourceType: s("A"),
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TargetLoadBalancer: b.LinkToELB("api"),
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}
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c.AddTask(dnsName)
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}
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return nil
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}
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