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open-consul
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Go back to using <nodename>.node.dc.consul as the name of the ns record being returned.

This commit is contained in:
Preetha Appan 2017-08-07 16:02:33 -05:00
parent b571cb8097
commit 2df084968c
1 changed files with 11 additions and 3 deletions
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14
agent/dns.go
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@ -272,7 +272,7 @@ func (d *DNSServer) addSOA(msg *dns.Msg) {
func (d *DNSServer) nameservers(edns bool) (ns []dns.RR, extra []dns.RR) {
// get server names and store them in a map to randomize the output
servers := map[string]net.IP{}
for _, addr := range d.agent.delegate.ServerAddrs() {
for name, addr := range d.agent.delegate.ServerAddrs() {
host, _, err := net.SplitHostPort(addr)
if err != nil {
d.logger.Println("[WARN] Unable to parse address %v, got error: %v", addr, err)
@ -283,9 +283,17 @@ func (d *DNSServer) nameservers(edns bool) (ns []dns.RR, extra []dns.RR) {
continue
}
// name is "name.dc" and domain is "consul."
// we want "name.node.dc.consul."
lastdot := strings.LastIndexByte(name, '.')
nodeName := name[:lastdot]
if InvalidDnsRe.MatchString(nodeName) {
d.logger.Printf("[WARN] dns: Node name %q is not a valid dns host name, will not be added to NS record", nodeName)
continue
}
fqdn := nodeName + ".node" + name[lastdot:] + "." + d.domain
// create a consistent, unique and sanitized name for the server
r := strings.NewReplacer(".", "-", ":", "-")
fqdn := "server-" + r.Replace(host) + "." + d.domain
fqdn = dns.Fqdn(strings.ToLower(fqdn))
servers[fqdn] = ip