mirror of https://github.com/kubernetes/kops.git
107 lines
2.9 KiB
Go
107 lines
2.9 KiB
Go
/*
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Copyright 2019 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 awsmodel
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import (
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"fmt"
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"k8s.io/kops/pkg/apis/kops"
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"k8s.io/kops/pkg/model"
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"k8s.io/kops/upup/pkg/fi/cloudup/awstasks"
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)
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// AWSModelContext provides the context for the aws model
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type AWSModelContext struct {
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*model.KopsModelContext
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}
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func (b *AWSModelContext) LinkToSubnet(z *kops.ClusterSubnetSpec) *awstasks.Subnet {
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name := z.Name + "." + b.ClusterName()
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return &awstasks.Subnet{Name: &name}
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}
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func (b *AWSModelContext) LinkToPublicSubnetInZone(zoneName string) (*awstasks.Subnet, error) {
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var matches []*kops.ClusterSubnetSpec
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for i := range b.Cluster.Spec.Networking.Subnets {
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z := &b.Cluster.Spec.Networking.Subnets[i]
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if z.Zone != zoneName {
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continue
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}
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if z.Type != kops.SubnetTypePublic {
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continue
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}
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matches = append(matches, z)
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}
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if len(matches) == 0 {
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return nil, fmt.Errorf("could not find public subnet in zone: %q", zoneName)
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}
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if len(matches) > 1 {
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// TODO: Support this (arbitrary choice I think, for ELBs)
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return nil, fmt.Errorf("found multiple public subnets in zone: %q", zoneName)
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}
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return b.LinkToSubnet(matches[0]), nil
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}
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func (b *AWSModelContext) LinkToUtilitySubnetInZone(zoneName string) (*awstasks.Subnet, error) {
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var matches []*kops.ClusterSubnetSpec
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for i := range b.Cluster.Spec.Networking.Subnets {
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s := &b.Cluster.Spec.Networking.Subnets[i]
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if s.Zone != zoneName {
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continue
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}
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if s.Type != kops.SubnetTypeUtility {
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continue
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}
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matches = append(matches, s)
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}
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if len(matches) == 0 {
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return nil, fmt.Errorf("could not find utility subnet in zone: %q", zoneName)
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}
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if len(matches) > 1 {
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// TODO: Support this
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return nil, fmt.Errorf("found multiple utility subnets in zone: %q", zoneName)
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}
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return b.LinkToSubnet(matches[0]), nil
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}
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func (b *AWSModelContext) LinkToPrivateSubnetsInZone(zoneName string) ([]*awstasks.Subnet, error) {
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var matches []*kops.ClusterSubnetSpec
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for i := range b.Cluster.Spec.Networking.Subnets {
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s := &b.Cluster.Spec.Networking.Subnets[i]
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if s.Zone != zoneName {
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continue
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}
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if s.Type != kops.SubnetTypePrivate {
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continue
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}
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matches = append(matches, s)
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}
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if len(matches) == 0 {
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return nil, fmt.Errorf("could not find private subnet in zone: %q", zoneName)
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}
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var subnets []*awstasks.Subnet
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for _, match := range matches {
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subnets = append(subnets, b.LinkToSubnet(match))
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}
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return subnets, nil
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}
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