// NewRoute53Client initializes a new DNSClient interface instance based on AWS Route53
func NewRoute53Client(opts *Options) (*Route53, error) {
optsCopy := *opts
awsOpts := &amazon.ClientOptions{
Credentials: opts.Creds,
Region: "us-east-1", // our route53 is based on this region, so we use it
Log: optsCopy.log(),
Debug: opts.Debug,
}
dns := route53.New(amazon.NewSession(awsOpts))
// TODO(rjeczalik): filter by hosted zone instead of requesting 100 records
params := &route53.ListHostedZonesInput{
MaxItems: aws.String("100"),
}
hostedZones, err := dns.ListHostedZones(params)
if err != nil {
return nil, err
}
var zoneId string
var dnsName = opts.HostedZone + "." // DNS name ends with a ".", e.g. "dev.koding.io."
for _, h := range hostedZones.HostedZones {
if aws.StringValue(h.Name) == dnsName {
zoneId = aws.StringValue(h.Id)
}
}
if zoneId == "" {
return nil, fmt.Errorf("Hosted zone with the name %q doesn't exist", opts.HostedZone)
}
return &Route53{
Route53: dns,
ZoneId: zoneId,
opts: &optsCopy,
}, nil
}
func (c *Cred) session() *session.Session {
return amazon.NewSession(c.Options())
}
