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edce939f6e
When performing the downgrade operation, users can confirm whether each member is ready to be downgraded using the field 'storageVersion'. If it's equal to the 'target version' in the downgrade command, then it's ready to be downgraded; otherwise, the etcd member is still in progress of processing the db file.
223 lines
6.5 KiB
Go
223 lines
6.5 KiB
Go
// Copyright 2016 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package command
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import (
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"fmt"
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pb "go.etcd.io/etcd/api/v3/etcdserverpb"
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spb "go.etcd.io/etcd/api/v3/mvccpb"
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v3 "go.etcd.io/etcd/client/v3"
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)
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type fieldsPrinter struct{ printer }
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func (p *fieldsPrinter) kv(pfx string, kv *spb.KeyValue) {
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fmt.Printf("\"%sKey\" : %q\n", pfx, string(kv.Key))
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fmt.Printf("\"%sCreateRevision\" : %d\n", pfx, kv.CreateRevision)
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fmt.Printf("\"%sModRevision\" : %d\n", pfx, kv.ModRevision)
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fmt.Printf("\"%sVersion\" : %d\n", pfx, kv.Version)
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fmt.Printf("\"%sValue\" : %q\n", pfx, string(kv.Value))
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fmt.Printf("\"%sLease\" : %d\n", pfx, kv.Lease)
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}
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func (p *fieldsPrinter) hdr(h *pb.ResponseHeader) {
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fmt.Println(`"ClusterID" :`, h.ClusterId)
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fmt.Println(`"MemberID" :`, h.MemberId)
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fmt.Println(`"Revision" :`, h.Revision)
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fmt.Println(`"RaftTerm" :`, h.RaftTerm)
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}
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func (p *fieldsPrinter) Del(r v3.DeleteResponse) {
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p.hdr(r.Header)
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fmt.Println(`"Deleted" :`, r.Deleted)
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for _, kv := range r.PrevKvs {
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p.kv("Prev", kv)
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}
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}
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func (p *fieldsPrinter) Get(r v3.GetResponse) {
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p.hdr(r.Header)
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for _, kv := range r.Kvs {
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p.kv("", kv)
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}
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fmt.Println(`"More" :`, r.More)
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fmt.Println(`"Count" :`, r.Count)
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}
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func (p *fieldsPrinter) Put(r v3.PutResponse) {
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p.hdr(r.Header)
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if r.PrevKv != nil {
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p.kv("Prev", r.PrevKv)
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}
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}
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func (p *fieldsPrinter) Txn(r v3.TxnResponse) {
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p.hdr(r.Header)
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fmt.Println(`"Succeeded" :`, r.Succeeded)
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for _, resp := range r.Responses {
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switch v := resp.Response.(type) {
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case *pb.ResponseOp_ResponseDeleteRange:
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p.Del((v3.DeleteResponse)(*v.ResponseDeleteRange))
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case *pb.ResponseOp_ResponsePut:
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p.Put((v3.PutResponse)(*v.ResponsePut))
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case *pb.ResponseOp_ResponseRange:
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p.Get((v3.GetResponse)(*v.ResponseRange))
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default:
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fmt.Printf("\"Unknown\" : %q\n", fmt.Sprintf("%+v", v))
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}
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}
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}
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func (p *fieldsPrinter) Watch(resp v3.WatchResponse) {
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p.hdr(&resp.Header)
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for _, e := range resp.Events {
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fmt.Println(`"Type" :`, e.Type)
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if e.PrevKv != nil {
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p.kv("Prev", e.PrevKv)
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}
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p.kv("", e.Kv)
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}
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}
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func (p *fieldsPrinter) Grant(r v3.LeaseGrantResponse) {
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p.hdr(r.ResponseHeader)
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fmt.Println(`"ID" :`, r.ID)
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fmt.Println(`"TTL" :`, r.TTL)
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}
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func (p *fieldsPrinter) Revoke(id v3.LeaseID, r v3.LeaseRevokeResponse) {
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p.hdr(r.Header)
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}
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func (p *fieldsPrinter) KeepAlive(r v3.LeaseKeepAliveResponse) {
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p.hdr(r.ResponseHeader)
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fmt.Println(`"ID" :`, r.ID)
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fmt.Println(`"TTL" :`, r.TTL)
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}
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func (p *fieldsPrinter) TimeToLive(r v3.LeaseTimeToLiveResponse, keys bool) {
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p.hdr(r.ResponseHeader)
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fmt.Println(`"ID" :`, r.ID)
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fmt.Println(`"TTL" :`, r.TTL)
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fmt.Println(`"GrantedTTL" :`, r.GrantedTTL)
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for _, k := range r.Keys {
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fmt.Printf("\"Key\" : %q\n", string(k))
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}
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}
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func (p *fieldsPrinter) Leases(r v3.LeaseLeasesResponse) {
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p.hdr(r.ResponseHeader)
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for _, item := range r.Leases {
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fmt.Println(`"ID" :`, item.ID)
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}
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}
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func (p *fieldsPrinter) MemberList(r v3.MemberListResponse) {
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p.hdr(r.Header)
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for _, m := range r.Members {
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fmt.Println(`"ID" :`, m.ID)
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fmt.Printf("\"Name\" : %q\n", m.Name)
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for _, u := range m.PeerURLs {
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fmt.Printf("\"PeerURL\" : %q\n", u)
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}
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for _, u := range m.ClientURLs {
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fmt.Printf("\"ClientURL\" : %q\n", u)
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}
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fmt.Println(`"IsLearner" :`, m.IsLearner)
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fmt.Println()
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}
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}
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func (p *fieldsPrinter) EndpointHealth(hs []epHealth) {
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for _, h := range hs {
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fmt.Printf("\"Endpoint\" : %q\n", h.Ep)
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fmt.Println(`"Health" :`, h.Health)
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fmt.Println(`"Took" :`, h.Took)
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fmt.Println(`"Error" :`, h.Error)
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fmt.Println()
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}
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}
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func (p *fieldsPrinter) EndpointStatus(eps []epStatus) {
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for _, ep := range eps {
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p.hdr(ep.Resp.Header)
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fmt.Printf("\"Version\" : %q\n", ep.Resp.Version)
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fmt.Printf("\"StorageVersion\" : %q\n", ep.Resp.StorageVersion)
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fmt.Println(`"DBSize" :`, ep.Resp.DbSize)
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fmt.Println(`"DBSizeInUse" :`, ep.Resp.DbSizeInUse)
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fmt.Println(`"Leader" :`, ep.Resp.Leader)
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fmt.Println(`"IsLearner" :`, ep.Resp.IsLearner)
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fmt.Println(`"RaftIndex" :`, ep.Resp.RaftIndex)
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fmt.Println(`"RaftTerm" :`, ep.Resp.RaftTerm)
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fmt.Println(`"RaftAppliedIndex" :`, ep.Resp.RaftAppliedIndex)
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fmt.Println(`"Errors" :`, ep.Resp.Errors)
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fmt.Printf("\"Endpoint\" : %q\n", ep.Ep)
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fmt.Println()
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}
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}
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func (p *fieldsPrinter) EndpointHashKV(hs []epHashKV) {
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for _, h := range hs {
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p.hdr(h.Resp.Header)
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fmt.Printf("\"Endpoint\" : %q\n", h.Ep)
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fmt.Println(`"Hash" :`, h.Resp.Hash)
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fmt.Println()
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}
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}
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func (p *fieldsPrinter) Alarm(r v3.AlarmResponse) {
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p.hdr(r.Header)
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for _, a := range r.Alarms {
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fmt.Println(`"MemberID" :`, a.MemberID)
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fmt.Println(`"AlarmType" :`, a.Alarm)
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fmt.Println()
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}
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}
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func (p *fieldsPrinter) RoleAdd(role string, r v3.AuthRoleAddResponse) { p.hdr(r.Header) }
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func (p *fieldsPrinter) RoleGet(role string, r v3.AuthRoleGetResponse) {
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p.hdr(r.Header)
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for _, p := range r.Perm {
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fmt.Println(`"PermType" : `, p.PermType.String())
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fmt.Printf("\"Key\" : %q\n", string(p.Key))
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fmt.Printf("\"RangeEnd\" : %q\n", string(p.RangeEnd))
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}
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}
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func (p *fieldsPrinter) RoleDelete(role string, r v3.AuthRoleDeleteResponse) { p.hdr(r.Header) }
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func (p *fieldsPrinter) RoleList(r v3.AuthRoleListResponse) {
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p.hdr(r.Header)
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fmt.Printf(`"Roles" :`)
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for _, r := range r.Roles {
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fmt.Printf(" %q", r)
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}
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fmt.Println()
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}
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func (p *fieldsPrinter) RoleGrantPermission(role string, r v3.AuthRoleGrantPermissionResponse) {
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p.hdr(r.Header)
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}
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func (p *fieldsPrinter) RoleRevokePermission(role string, key string, end string, r v3.AuthRoleRevokePermissionResponse) {
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p.hdr(r.Header)
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}
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func (p *fieldsPrinter) UserAdd(user string, r v3.AuthUserAddResponse) { p.hdr(r.Header) }
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func (p *fieldsPrinter) UserChangePassword(r v3.AuthUserChangePasswordResponse) { p.hdr(r.Header) }
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func (p *fieldsPrinter) UserGrantRole(user string, role string, r v3.AuthUserGrantRoleResponse) {
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p.hdr(r.Header)
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}
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func (p *fieldsPrinter) UserRevokeRole(user string, role string, r v3.AuthUserRevokeRoleResponse) {
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p.hdr(r.Header)
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}
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func (p *fieldsPrinter) UserDelete(user string, r v3.AuthUserDeleteResponse) { p.hdr(r.Header) }
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