forked from etcd-io/etcd
/
printer.go
191 lines (168 loc) · 6.84 KB
/
printer.go
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// Copyright 2016 The etcd 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 command
import (
"errors"
"fmt"
"strings"
v3 "github.com/coreos/etcd/clientv3"
"github.com/dustin/go-humanize"
pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
)
type printer interface {
Del(v3.DeleteResponse)
Get(v3.GetResponse)
Put(v3.PutResponse)
Txn(v3.TxnResponse)
Watch(v3.WatchResponse)
Grant(r v3.LeaseGrantResponse)
Revoke(id v3.LeaseID, r v3.LeaseRevokeResponse)
KeepAlive(r v3.LeaseKeepAliveResponse)
TimeToLive(r v3.LeaseTimeToLiveResponse, keys bool)
MemberAdd(v3.MemberAddResponse)
MemberRemove(id uint64, r v3.MemberRemoveResponse)
MemberUpdate(id uint64, r v3.MemberUpdateResponse)
MemberList(v3.MemberListResponse)
EndpointStatus([]epStatus)
Alarm(v3.AlarmResponse)
DBStatus(dbstatus)
RoleAdd(role string, r v3.AuthRoleAddResponse)
RoleGet(role string, r v3.AuthRoleGetResponse)
RoleDelete(role string, r v3.AuthRoleDeleteResponse)
RoleList(v3.AuthRoleListResponse)
RoleGrantPermission(role string, r v3.AuthRoleGrantPermissionResponse)
RoleRevokePermission(role string, key string, end string, r v3.AuthRoleRevokePermissionResponse)
UserAdd(user string, r v3.AuthUserAddResponse)
UserGet(user string, r v3.AuthUserGetResponse)
UserList(r v3.AuthUserListResponse)
UserChangePassword(v3.AuthUserChangePasswordResponse)
UserGrantRole(user string, role string, r v3.AuthUserGrantRoleResponse)
UserRevokeRole(user string, role string, r v3.AuthUserRevokeRoleResponse)
UserDelete(user string, r v3.AuthUserDeleteResponse)
}
func NewPrinter(printerType string, isHex bool) printer {
switch printerType {
case "simple":
return &simplePrinter{isHex: isHex}
case "fields":
return &fieldsPrinter{newPrinterUnsupported("fields")}
case "json":
return newJSONPrinter()
case "protobuf":
return newPBPrinter()
case "table":
return &tablePrinter{newPrinterUnsupported("table")}
}
return nil
}
type printerRPC struct {
printer
p func(interface{})
}
func (p *printerRPC) Del(r v3.DeleteResponse) { p.p((*pb.DeleteRangeResponse)(&r)) }
func (p *printerRPC) Get(r v3.GetResponse) { p.p((*pb.RangeResponse)(&r)) }
func (p *printerRPC) Put(r v3.PutResponse) { p.p((*pb.PutResponse)(&r)) }
func (p *printerRPC) Txn(r v3.TxnResponse) { p.p((*pb.TxnResponse)(&r)) }
func (p *printerRPC) Watch(r v3.WatchResponse) { p.p(&r) }
func (p *printerRPC) Grant(r v3.LeaseGrantResponse) { p.p(r) }
func (p *printerRPC) Revoke(id v3.LeaseID, r v3.LeaseRevokeResponse) { p.p(r) }
func (p *printerRPC) KeepAlive(r v3.LeaseKeepAliveResponse) { p.p(r) }
func (p *printerRPC) TimeToLive(r v3.LeaseTimeToLiveResponse, keys bool) { p.p(&r) }
func (p *printerRPC) MemberAdd(r v3.MemberAddResponse) { p.p((*pb.MemberAddResponse)(&r)) }
func (p *printerRPC) MemberRemove(id uint64, r v3.MemberRemoveResponse) {
p.p((*pb.MemberRemoveResponse)(&r))
}
func (p *printerRPC) MemberUpdate(id uint64, r v3.MemberUpdateResponse) {
p.p((*pb.MemberUpdateResponse)(&r))
}
func (p *printerRPC) MemberList(r v3.MemberListResponse) { p.p((*pb.MemberListResponse)(&r)) }
func (p *printerRPC) Alarm(r v3.AlarmResponse) { p.p((*pb.AlarmResponse)(&r)) }
func (p *printerRPC) RoleAdd(_ string, r v3.AuthRoleAddResponse) { p.p((*pb.AuthRoleAddResponse)(&r)) }
func (p *printerRPC) RoleGet(_ string, r v3.AuthRoleGetResponse) { p.p((*pb.AuthRoleGetResponse)(&r)) }
func (p *printerRPC) RoleDelete(_ string, r v3.AuthRoleDeleteResponse) {
p.p((*pb.AuthRoleDeleteResponse)(&r))
}
func (p *printerRPC) RoleList(r v3.AuthRoleListResponse) { p.p((*pb.AuthRoleListResponse)(&r)) }
func (p *printerRPC) RoleGrantPermission(_ string, r v3.AuthRoleGrantPermissionResponse) {
p.p((*pb.AuthRoleGrantPermissionResponse)(&r))
}
func (p *printerRPC) RoleRevokePermission(_ string, _ string, _ string, r v3.AuthRoleRevokePermissionResponse) {
p.p((*pb.AuthRoleRevokePermissionResponse)(&r))
}
func (p *printerRPC) UserAdd(_ string, r v3.AuthUserAddResponse) { p.p((*pb.AuthUserAddResponse)(&r)) }
func (p *printerRPC) UserGet(_ string, r v3.AuthUserGetResponse) { p.p((*pb.AuthUserGetResponse)(&r)) }
func (p *printerRPC) UserList(r v3.AuthUserListResponse) { p.p((*pb.AuthUserListResponse)(&r)) }
func (p *printerRPC) UserChangePassword(r v3.AuthUserChangePasswordResponse) {
p.p((*pb.AuthUserChangePasswordResponse)(&r))
}
func (p *printerRPC) UserGrantRole(_ string, _ string, r v3.AuthUserGrantRoleResponse) {
p.p((*pb.AuthUserGrantRoleResponse)(&r))
}
func (p *printerRPC) UserRevokeRole(_ string, _ string, r v3.AuthUserRevokeRoleResponse) {
p.p((*pb.AuthUserRevokeRoleResponse)(&r))
}
func (p *printerRPC) UserDelete(_ string, r v3.AuthUserDeleteResponse) {
p.p((*pb.AuthUserDeleteResponse)(&r))
}
type printerUnsupported struct{ printerRPC }
func newPrinterUnsupported(n string) printer {
f := func(interface{}) {
ExitWithError(ExitBadFeature, errors.New(n+" not supported as output format"))
}
return &printerUnsupported{printerRPC{nil, f}}
}
func (p *printerUnsupported) EndpointStatus([]epStatus) { p.p(nil) }
func (p *printerUnsupported) DBStatus(dbstatus) { p.p(nil) }
func makeMemberListTable(r v3.MemberListResponse) (hdr []string, rows [][]string) {
hdr = []string{"ID", "Status", "Name", "Peer Addrs", "Client Addrs"}
for _, m := range r.Members {
status := "started"
if len(m.Name) == 0 {
status = "unstarted"
}
rows = append(rows, []string{
fmt.Sprintf("%x", m.ID),
status,
m.Name,
strings.Join(m.PeerURLs, ","),
strings.Join(m.ClientURLs, ","),
})
}
return
}
func makeEndpointStatusTable(statusList []epStatus) (hdr []string, rows [][]string) {
hdr = []string{"endpoint", "ID", "version", "db size", "is leader", "raft term", "raft index"}
for _, status := range statusList {
rows = append(rows, []string{
fmt.Sprint(status.Ep),
fmt.Sprintf("%x", status.Resp.Header.MemberId),
fmt.Sprint(status.Resp.Version),
fmt.Sprint(humanize.Bytes(uint64(status.Resp.DbSize))),
fmt.Sprint(status.Resp.Leader == status.Resp.Header.MemberId),
fmt.Sprint(status.Resp.RaftTerm),
fmt.Sprint(status.Resp.RaftIndex),
})
}
return
}
func makeDBStatusTable(ds dbstatus) (hdr []string, rows [][]string) {
hdr = []string{"hash", "revision", "total keys", "total size"}
rows = append(rows, []string{
fmt.Sprintf("%x", ds.Hash),
fmt.Sprint(ds.Revision),
fmt.Sprint(ds.TotalKey),
humanize.Bytes(uint64(ds.TotalSize)),
})
return
}