open-consul/agent/connect/sni.go

43 lines
1.3 KiB
Go

package connect
import (
"fmt"
"github.com/hashicorp/consul/agent/structs"
)
func UpstreamSNI(u *structs.Upstream, subset string, dc string, trustDomain string) string {
if u.Datacenter != "" {
dc = u.Datacenter
}
if u.DestinationType == structs.UpstreamDestTypePreparedQuery {
return QuerySNI(u.DestinationName, dc, trustDomain)
}
return ServiceSNI(u.DestinationName, subset, u.DestinationNamespace, dc, trustDomain)
}
func DatacenterSNI(dc string, trustDomain string) string {
return fmt.Sprintf("%s.internal.%s", dc, trustDomain)
}
func ServiceSNI(service string, subset string, namespace string, datacenter string, trustDomain string) string {
if namespace == "" {
namespace = "default"
}
if subset == "" {
return fmt.Sprintf("%s.%s.%s.internal.%s", service, namespace, datacenter, trustDomain)
} else {
return fmt.Sprintf("%s.%s.%s.%s.internal.%s", subset, service, namespace, datacenter, trustDomain)
}
}
func QuerySNI(service string, datacenter string, trustDomain string) string {
return fmt.Sprintf("%s.default.%s.query.%s", service, datacenter, trustDomain)
}
func TargetSNI(target *structs.DiscoveryTarget, trustDomain string) string {
return ServiceSNI(target.Service, target.ServiceSubset, target.Namespace, target.Datacenter, trustDomain)
}