// attempt to convert the slave hostname to an IP4 address. if that fails, then
// sanitize the hostname for DNS compat.
func sanitizedSlaveAddress(hostname string) string {
address, ok := hostToIP4(hostname)
if !ok {
address = labels.AsDomainFrag(address)
}
return address
}
// InsertState transforms a StateJSON into RecordGenerator RRs
func (rg *RecordGenerator) InsertState(sj StateJSON, domain string, ns string,
listener string, masters []string, spec labels.HostNameSpec) error {
// creates a map with slave IP addresses (IPv4)
rg.SlaveIPs = make(map[string]string)
for _, slave := range sj.Slaves {
rg.SlaveIPs[slave.Id] = sanitizedSlaveAddress(slave.Hostname, spec)
}
rg.SRVs = make(rrs)
rg.As = make(rrs)
// complete crap - refactor me
for _, f := range sj.Frameworks {
fname := labels.AsDomainFrag(f.Name, spec)
for _, task := range f.Tasks {
hostIP, ok := rg.SlaveIPs[task.SlaveId]
// skip not running or not discoverable tasks
if !ok || (task.State != "TASK_RUNNING") {
continue
}
tname := spec.Mangle(task.Name)
sid := slaveIdTail(task.SlaveId)
tag := hashString(task.Id)
tail := fname + "." + domain + "."
// A records for task and task-sid
arec := tname + "." + tail
rg.insertRR(arec, hostIP, "A")
trec := tname + "-" + tag + "-" + sid + "." + tail
rg.insertRR(trec, hostIP, "A")
// A records with container IP
if containerIP := task.containerIP(); containerIP != "" {
rg.insertRR("_container."+arec, containerIP, "A")
rg.insertRR("_container."+trec, containerIP, "A")
}
// SRV records
if task.Resources.Ports != "" {
ports := yankPorts(task.Resources.Ports)
for _, port := range ports {
var srvhost string = trec + ":" + port
tcp := "_" + tname + "._tcp." + tail
udp := "_" + tname + "._udp." + tail
rg.insertRR(tcp, srvhost, "SRV")
rg.insertRR(udp, srvhost, "SRV")
}
}
}
}
rg.listenerRecord(listener, ns)
rg.masterRecord(domain, masters, sj.Leader)
return nil
}