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use keys (#2167)

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This commit is contained in:
Chris O'Haver 2018-10-10 15:28:45 -04:00 • committed by John Belamaric
parent 8432f14207
commit 974ed086f2
13 changed files with 291 additions and 380 deletions
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36
plugin/kubernetes/reverse.go
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@ -18,35 +18,35 @@ func (k *Kubernetes) Reverse(state request.Request, exact bool, opt plugin.Optio
return nil, e
}
records := k.serviceRecordForIP(ip, state.Name())
if len(records) == 0 {
return records, errNoItems
record := k.serviceRecordForIP(ip, state.Name())
if record == nil {
return nil, errNoItems
}
return records, nil
return []msg.Service{*record}, nil
}
// serviceRecordForIP gets a service record with a cluster ip matching the ip argument
// If a service cluster ip does not match, it checks all endpoints
func (k *Kubernetes) serviceRecordForIP(ip, name string) []msg.Service {
func (k *Kubernetes) serviceRecordForIP(ip, name string) *msg.Service {
// First check services with cluster ips
for _, service := range k.APIConn.SvcIndexReverse(ip) {
service := k.APIConn.SvcIndexReverse(ip)
if service != nil {
if len(k.Namespaces) > 0 && !k.namespaceExposed(service.Namespace) {
continue
return nil
}
domain := strings.Join([]string{service.Name, service.Namespace, Svc, k.primaryZone()}, ".")
return []msg.Service{{Host: domain, TTL: k.ttl}}
return &msg.Service{Host: domain, TTL: k.ttl}
}
// If no cluster ips match, search endpoints
for _, ep := range k.APIConn.EpIndexReverse(ip) {
if len(k.Namespaces) > 0 && !k.namespaceExposed(ep.Namespace) {
continue
}
for _, eps := range ep.Subsets {
for _, addr := range eps.Addresses {
if addr.IP == ip {
domain := strings.Join([]string{endpointHostname(addr, k.endpointNameMode), ep.Name, ep.Namespace, Svc, k.primaryZone()}, ".")
return []msg.Service{{Host: domain, TTL: k.ttl}}
}
ep := k.APIConn.EpIndexReverse(ip)
if ep == nil || len(k.Namespaces) > 0 && !k.namespaceExposed(ep.Namespace) {
return nil
}
for _, eps := range ep.Subsets {
for _, addr := range eps.Addresses {
if addr.IP == ip {
domain := strings.Join([]string{endpointHostname(addr, k.endpointNameMode), ep.Name, ep.Namespace, Svc, k.primaryZone()}, ".")
return &msg.Service{Host: domain, TTL: k.ttl}
}
}
}