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domain.go
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domain.go
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// Copyright Nitric Pty Ltd.
//
// SPDX-License-Identifier: Apache-2.0
//
// 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 deploy
import (
"fmt"
"strings"
"github.com/pulumi/pulumi-aws/sdk/v5/go/aws/acm"
"github.com/pulumi/pulumi-aws/sdk/v5/go/aws/apigatewayv2"
"github.com/pulumi/pulumi-aws/sdk/v5/go/aws/route53"
"github.com/pulumi/pulumi/sdk/v3/go/pulumi"
)
type domainNameArgs struct {
domainName string
api *apigatewayv2.Api
stage *apigatewayv2.Stage
}
type domainName struct {
pulumi.ResourceState
Name string
}
func newDomainName(ctx *pulumi.Context, name string, args domainNameArgs) (*domainName, error) {
domainParts := strings.Split(args.domainName, ".")
res := &domainName{Name: name}
err := ctx.RegisterComponentResource("nitric:api:DomainName", fmt.Sprintf("%s-%s", name, args.domainName), res)
if err != nil {
return nil, err
}
defaultOptions := []pulumi.ResourceOption{pulumi.Parent(res)}
// Treat this domain as root by default
baseName := ""
// attempt to find hosted zone as the root domain name
hostedZone, err := route53.LookupZone(ctx, &route53.LookupZoneArgs{
// The name is the base name for the domain
Name: &args.domainName,
})
if err != nil {
// try by parent domain instead
parentDomain := strings.Join(domainParts[1:], ".")
hostedZone, err = route53.LookupZone(ctx, &route53.LookupZoneArgs{
// The name is the base name for the domain
Name: &parentDomain,
})
if err != nil {
return nil, fmt.Errorf("unable to find Route53 hosted zone to create records in: %w", err)
}
baseName = domainParts[0]
}
cert, err := acm.NewCertificate(ctx, fmt.Sprintf("%s-%s-cert", name, args.domainName), &acm.CertificateArgs{
DomainName: pulumi.String(args.domainName),
ValidationMethod: pulumi.String("DNS"),
}, defaultOptions...)
if err != nil {
return nil, err
}
domainValidationOption := cert.DomainValidationOptions.ApplyT(func(options []acm.CertificateDomainValidationOption) interface{} {
return options[0]
})
certValidationDns, err := route53.NewRecord(ctx, fmt.Sprintf("%s-%s-certvalidationdns", name, args.domainName), &route53.RecordArgs{
Name: domainValidationOption.ApplyT(func(option interface{}) string {
return *option.(acm.CertificateDomainValidationOption).ResourceRecordName
}).(pulumi.StringOutput),
Type: domainValidationOption.ApplyT(func(option interface{}) string {
return *option.(acm.CertificateDomainValidationOption).ResourceRecordType
}).(pulumi.StringOutput),
Records: pulumi.StringArray{
domainValidationOption.ApplyT(func(option interface{}) string {
return *option.(acm.CertificateDomainValidationOption).ResourceRecordValue
}).(pulumi.StringOutput),
},
Ttl: pulumi.Int(10 * 60),
ZoneId: pulumi.String(hostedZone.ZoneId),
}, defaultOptions...)
if err != nil {
return nil, err
}
certValidation, err := acm.NewCertificateValidation(ctx, fmt.Sprintf("%s-%s-certvalidation", name, args.domainName), &acm.CertificateValidationArgs{
CertificateArn: cert.Arn,
ValidationRecordFqdns: pulumi.StringArray{
certValidationDns.Fqdn,
},
}, defaultOptions...)
if err != nil {
return nil, err
}
// Create a domain name if one has been requested
apiDomainName, err := apigatewayv2.NewDomainName(ctx, fmt.Sprintf("%s-%s", name, args.domainName), &apigatewayv2.DomainNameArgs{
DomainName: pulumi.String(args.domainName),
DomainNameConfiguration: &apigatewayv2.DomainNameDomainNameConfigurationArgs{
EndpointType: pulumi.String("REGIONAL"),
SecurityPolicy: pulumi.String("TLS_1_2"),
CertificateArn: certValidation.CertificateArn,
},
}, defaultOptions...)
if err != nil {
return nil, err
}
// Create an API mapping for the new domain name
_, err = apigatewayv2.NewApiMapping(ctx, fmt.Sprintf("%s-%s", name, args.domainName), &apigatewayv2.ApiMappingArgs{
ApiId: args.api.ID(),
DomainName: apiDomainName.DomainName,
Stage: args.stage.Name,
}, append(defaultOptions, pulumi.DependsOn([]pulumi.Resource{args.stage}))...)
if err != nil {
return nil, err
}
// Create a DNS record for the domain name that maps to the APIs
// regional endpoint
_, err = route53.NewRecord(ctx, fmt.Sprintf("%s-%s-dnsrecord", name, args.domainName), &route53.RecordArgs{
ZoneId: pulumi.String(hostedZone.ZoneId),
Type: pulumi.String("A"),
Name: pulumi.String(baseName),
Aliases: &route53.RecordAliasArray{
&route53.RecordAliasArgs{
// The target of the A record
Name: apiDomainName.DomainNameConfiguration.TargetDomainName().Elem(),
ZoneId: apiDomainName.DomainNameConfiguration.HostedZoneId().Elem(),
EvaluateTargetHealth: pulumi.Bool(false),
},
},
}, defaultOptions...)
if err != nil {
return nil, err
}
return res, nil
}