forked from yamt/midonet-kubernetes
/
tunnelendpoint.go
48 lines (42 loc) · 1.33 KB
/
tunnelendpoint.go
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// Copyright (C) 2018 Midokura SARL.
// All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package nodeannotator
import (
"fmt"
"net"
"k8s.io/api/core/v1"
log "github.com/sirupsen/logrus"
)
type tunnelEndpointIPAnnotator struct {
}
func (a *tunnelEndpointIPAnnotator) getData(n *v1.Node) (string, error) {
for _, addr := range n.Status.Addresses {
typ := addr.Type
// REVISIT: How about ExternalIP?
if typ != v1.NodeInternalIP {
continue
}
ip := net.ParseIP(addr.Address)
if ip == nil {
// REVISIT: can this happen?
log.WithFields(log.Fields{
"node": n.ObjectMeta.Name,
"address": addr.Address,
}).Fatal("Unparsable Node Address")
}
return ip.String(), nil
}
return "", fmt.Errorf("Node %s has no usable IP for tunnel endpoint IP", n.ObjectMeta.Name)
}