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plugin/kubernetes: Add support for dual stack ClusterIP Services (#4339)

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* support dual stack clusterIPs

Signed-off-by: Chris O'Haver <cohaver@infoblox.com>

* stickler

Signed-off-by: Chris O'Haver <cohaver@infoblox.com>

* fix ClusterIPs make

Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
This commit is contained in:
Chris O'Haver
2020-12-21 05:30:24 -05:00
committed by GitHub
parent 302434e392
commit 51c05679e6
14 changed files with 204 additions and 111 deletions
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9
plugin/kubernetes/ns.go
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@@ -5,7 +5,6 @@ import (
"strings"
"github.com/miekg/dns"
api "k8s.io/api/core/v1"
)
func isDefaultNS(name, zone string) bool {
@@ -37,7 +36,7 @@ func (k *Kubernetes) nsAddrs(external bool, zone string) []dns.RR {
continue
}
svcName := strings.Join([]string{svc.Name, svc.Namespace, Svc, zone}, ".")
if svc.ClusterIP == api.ClusterIPNone {
if svc.Headless() {
// For a headless service, use the endpoints IPs
for _, s := range endpoint.Subsets {
for _, a := range s.Addresses {
@@ -46,8 +45,10 @@ func (k *Kubernetes) nsAddrs(external bool, zone string) []dns.RR {
}
}
} else {
svcNames = append(svcNames, svcName)
svcIPs = append(svcIPs, net.ParseIP(svc.ClusterIP))
for _, clusterIP := range svc.ClusterIPs {
svcNames = append(svcNames, svcName)
svcIPs = append(svcIPs, net.ParseIP(clusterIP))
}
}
}
}