/
domain.go
56 lines (45 loc) · 873 Bytes
/
domain.go
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package gateway
import (
"fmt"
"time"
"sort"
"github.com/rancher/norman/types/slice"
"github.com/rancher/rio/pkg/settings"
)
var (
refreshInterval = 5 * time.Minute
)
func (g *Controller) renew() error {
_, err := g.rdnsClient.RenewDomain()
return err
}
func (g *Controller) updateDomain(ips []string) error {
var (
fqdn string
err error
)
if len(ips) == 0 {
return nil
}
sort.Strings(ips)
if slice.StringsEqual(g.previousIPs, ips) {
return nil
}
if len(ips) == 1 && ips[0] == "127.0.0.1" {
fqdn = nip(ips[0])
} else {
_, fqdn, err = g.rdnsClient.ApplyDomain(ips)
if err != nil {
if settings.ClusterDomain.Get() == "" {
settings.ClusterDomain.Set(nip(ips[0]))
}
return err
}
}
settings.ClusterDomain.Set(fqdn)
g.previousIPs = ips
return nil
}
func nip(ip string) string {
return fmt.Sprintf("%s.nip.io", ip)
}