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Clarify description/usage of --advertise-address, Master.PublicAddress

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This commit is contained in:
CJ Cullen
2015-05-21 23:12:57 -07:00
parent 085a48a70e
commit 934c553c04
4 changed files with 14 additions and 5 deletions
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12
cmd/kube-apiserver/app/server.go
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@@ -151,8 +151,9 @@ func (s *APIServer) AddFlags(fs *pflag.FlagSet) {
"clients. If blank, all interfaces will be used (0.0.0.0).")
fs.Var(&s.AdvertiseAddress, "advertise-address", ""+
"The IP address on which to advertise the apiserver to members of the cluster. This "+
"address must be reachable by the rest of the cluster. If blank, all interfaces will be "+
"used.")
"address must be reachable by the rest of the cluster. If blank, the --bind-address "+
"will be used. If --bind-address is unspecified, the host's default interface will "+
"be used.")
fs.Var(&s.BindAddress, "public-address-override", "DEPRECATED: see --bind-address instead")
fs.IntVar(&s.ReadOnlyPort, "read-only-port", s.ReadOnlyPort, ""+
"The port on which to serve read-only resources. If 0, don't serve read-only "+
@@ -240,6 +241,13 @@ func newEtcd(etcdConfigFile string, etcdServerList util.StringList, storageVersi
func (s *APIServer) Run(_ []string) error {
s.verifyClusterIPFlags()
// If advertise-address is not specified, use bind-address. If bind-address
// is also unset (or 0.0.0.0), setDefaults() in pkg/master/master.go will
// do the right thing and use the host's default interface.
if s.AdvertiseAddress == nil || net.IP(s.AdvertiseAddress).IsUnspecified() {
s.AdvertiseAddress = s.BindAddress
}
if (s.EtcdConfigFile != "" && len(s.EtcdServerList) != 0) || (s.EtcdConfigFile == "" && len(s.EtcdServerList) == 0) {
glog.Fatalf("specify either --etcd-servers or --etcd-config")
}