kops/upup/pkg/fi/cloudup/alitasks/natgateway.go

134 lines
3.4 KiB
Go

/*
Copyright 2019 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 alitasks
import (
"fmt"
"github.com/denverdino/aliyungo/common"
"github.com/denverdino/aliyungo/ecs"
"k8s.io/klog/v2"
"k8s.io/kops/upup/pkg/fi"
"k8s.io/kops/upup/pkg/fi/cloudup/aliup"
"k8s.io/kops/upup/pkg/fi/cloudup/terraform"
"k8s.io/kops/upup/pkg/fi/cloudup/terraformWriter"
)
// +kops:fitask
type NatGateway struct {
Name *string
Lifecycle *fi.Lifecycle
VPC *VPC
Region *string
ID *string
}
var _ fi.CompareWithID = &NatGateway{}
func (e *NatGateway) CompareWithID() *string {
return e.ID
}
func (e *NatGateway) Find(c *fi.Context) (*NatGateway, error) {
if e.VPC == nil || e.VPC.ID == nil {
klog.V(4).Infof("VPC / VPCID not found for %s, skipping Find", fi.StringValue(e.Name))
return nil, nil
}
cloud := c.Cloud.(aliup.ALICloud)
request := &ecs.DescribeNatGatewaysArgs{
RegionId: common.Region(cloud.Region()),
VpcId: fi.StringValue(e.VPC.ID),
}
natGateways, _, err := cloud.VpcClient().DescribeNatGateways(request)
if err != nil {
return nil, fmt.Errorf("error listing NatGateways: %v", err)
}
// Don't exist NatGateways with specified VPC.
if len(natGateways) == 0 {
return nil, nil
}
if len(natGateways) != 1 {
return nil, fmt.Errorf("found multiple NatGateways for %q", fi.StringValue(e.ID))
}
natGateway := natGateways[0]
actual := &NatGateway{}
actual.ID = fi.String(natGateway.NatGatewayId)
// Ignore "system" fields
actual.Lifecycle = e.Lifecycle
actual.Name = e.Name
actual.Region = e.Region
actual.VPC = &VPC{ID: &natGateway.VpcId}
e.ID = actual.ID
klog.V(4).Infof("found matching NatGateway %v", actual)
return actual, nil
}
func (s *NatGateway) CheckChanges(a, e, changes *NatGateway) error {
if a == nil {
if e.Name == nil {
return fi.RequiredField("Name")
}
}
return nil
}
func (e *NatGateway) Run(c *fi.Context) error {
return fi.DefaultDeltaRunMethod(e, c)
}
func (_ *NatGateway) RenderALI(t *aliup.ALIAPITarget, a, e, changes *NatGateway) error {
if a == nil {
request := &ecs.CreateNatGatewayArgs{
RegionId: common.Region(t.Cloud.Region()),
VpcId: fi.StringValue(e.VPC.ID),
Name: fi.StringValue(e.Name),
}
response, err := t.Cloud.VpcClient().CreateNatGateway(request)
if err != nil {
return fmt.Errorf("error creating NatGateway: %v", err)
}
e.ID = fi.String(response.NatGatewayId)
}
return nil
}
type terraformNatGateway struct {
Name *string `json:"name,omitempty" cty:"name"`
VpcId *terraformWriter.Literal `json:"vpc_id,omitempty" cty:"vpc_id"`
}
func (_ *NatGateway) RenderTerraform(t *terraform.TerraformTarget, a, e, changes *NatGateway) error {
tf := &terraformNatGateway{
Name: e.Name,
VpcId: e.VPC.TerraformLink(),
}
return t.RenderResource("alicloud_nat_gateway", *e.Name, tf)
}
func (e *NatGateway) TerraformLink() *terraformWriter.Literal {
return terraformWriter.LiteralProperty("alicloud_nat_gateway", *e.Name, "id")
}