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member.go
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member.go
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// Copyright 2016 The etcd-operator Authors
//
// 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 cluster
import (
"fmt"
"github.com/coreos/etcd-operator/pkg/util/etcdutil"
"github.com/coreos/etcd-operator/pkg/util/k8sutil"
"github.com/coreos/etcd/etcdserver/etcdserverpb"
"github.com/pkg/errors"
"k8s.io/api/core/v1"
)
func (c *Cluster) updateMembers(known etcdutil.MemberSet) error {
resp, err := etcdutil.ListMembers(known.ClientURLs(), c.tlsConfig)
if err != nil {
return err
}
members := etcdutil.MemberSet{}
for _, m := range resp.Members {
name, err := getMemberName(m, c.cluster.GetName())
if err != nil {
return errors.Wrap(err, "get member name failed")
}
members[name] = &etcdutil.Member{
Name: name,
Namespace: c.cluster.Namespace,
ID: m.ID,
SecurePeer: c.isSecurePeer(),
SecureClient: c.isSecureClient(),
}
}
c.members = members
return nil
}
func (c *Cluster) newMember() *etcdutil.Member {
name := k8sutil.UniqueMemberName(c.cluster.Name)
return &etcdutil.Member{
Name: name,
Namespace: c.cluster.Namespace,
SecurePeer: c.isSecurePeer(),
SecureClient: c.isSecureClient(),
}
}
func podsToMemberSet(pods []*v1.Pod, sc bool) etcdutil.MemberSet {
members := etcdutil.MemberSet{}
for _, pod := range pods {
m := &etcdutil.Member{Name: pod.Name, Namespace: pod.Namespace, SecureClient: sc}
members.Add(m)
}
return members
}
func getMemberName(m *etcdserverpb.Member, clusterName string) (string, error) {
name, err := etcdutil.MemberNameFromPeerURL(m.PeerURLs[0])
if err != nil {
return "", newFatalError(fmt.Sprintf("invalid member peerURL (%s): %v", m.PeerURLs[0], err))
}
return name, nil
}