/
metanode.go
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/
metanode.go
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// Copyright 2018 The Chubao 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 cmd
import (
"sort"
"strings"
"github.com/chubaofs/chubaofs/proto"
"github.com/chubaofs/chubaofs/sdk/master"
"github.com/spf13/cobra"
)
const (
cmdMetaNodeUse = "metanode [COMMAND]"
cmdMetaNodeShort = "Manage meta nodes"
)
func newMetaNodeCmd(client *master.MasterClient) *cobra.Command {
var cmd = &cobra.Command{
Use: cmdMetaNodeUse,
Short: cmdMetaNodeShort,
}
cmd.AddCommand(
newMetaNodeListCmd(client),
newMetaNodeInfoCmd(client),
newMetaNodeDecommissionCmd(client),
)
return cmd
}
const (
cmdMetaNodeListShort = "List information of meta nodes"
cmdMetaNodeInfoShort = "Show information of meta nodes"
cmdMetaNodeDecommissionInfoShort = "Decommission partitions in a meta node to other nodes"
)
func newMetaNodeListCmd(client *master.MasterClient) *cobra.Command {
var optFilterStatus string
var optFilterWritable string
var cmd = &cobra.Command{
Use: CliOpList,
Short: cmdMetaNodeListShort,
Aliases: []string{"ls"},
Run: func(cmd *cobra.Command, args []string) {
var err error
defer func() {
if err != nil {
errout("Error: %v", err)
}
}()
var view *proto.ClusterView
if view, err = client.AdminAPI().GetCluster(); err != nil {
return
}
sort.SliceStable(view.MetaNodes, func(i, j int) bool {
return view.MetaNodes[i].ID < view.MetaNodes[j].ID
})
stdout("[Meta nodes]\n")
stdout("%v\n", formatNodeViewTableHeader())
for _, node := range view.MetaNodes {
if optFilterStatus != "" &&
!strings.Contains(formatNodeStatus(node.Status), optFilterStatus) {
continue
}
if optFilterWritable != "" &&
!strings.Contains(formatYesNo(node.IsWritable), optFilterWritable) {
continue
}
stdout("%v\n", formatNodeView(&node, true))
}
},
}
cmd.Flags().StringVar(&optFilterWritable, "filter-writable", "", "Filter node writable status")
cmd.Flags().StringVar(&optFilterStatus, "filter-status", "", "Filter status [Active, Inactive")
return cmd
}
func newMetaNodeInfoCmd(client *master.MasterClient) *cobra.Command {
var cmd = &cobra.Command{
Use: CliOpInfo + " [NODE ADDRESS]",
Short: cmdMetaNodeInfoShort,
Args: cobra.MinimumNArgs(1),
Run: func(cmd *cobra.Command, args []string) {
var err error
var nodeAddr string
var metanodeInfo *proto.MetaNodeInfo
defer func() {
if err != nil {
errout("Error: %v", err)
}
}()
nodeAddr = args[0]
if metanodeInfo, err = client.NodeAPI().GetMetaNode(nodeAddr); err != nil {
return
}
stdout("[Meta node info]\n")
stdout(formatMetaNodeDetail(metanodeInfo, false))
},
ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
if len(args) != 0 {
return nil, cobra.ShellCompDirectiveNoFileComp
}
return validMetaNodes(client, toComplete), cobra.ShellCompDirectiveNoFileComp
},
}
return cmd
}
func newMetaNodeDecommissionCmd(client *master.MasterClient) *cobra.Command {
var cmd = &cobra.Command{
Use: CliOpDecommission + " [NODE ADDRESS]",
Short: cmdMetaNodeDecommissionInfoShort,
Args: cobra.MinimumNArgs(1),
Run: func(cmd *cobra.Command, args []string) {
var err error
var nodeAddr string
defer func() {
if err != nil {
errout("Error: %v", err)
}
}()
nodeAddr = args[0]
if err = client.NodeAPI().MetaNodeDecommission(nodeAddr); err != nil {
return
}
stdout("Decommission meta node successfully\n")
},
ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
if len(args) != 0 {
return nil, cobra.ShellCompDirectiveNoFileComp
}
return validMetaNodes(client, toComplete), cobra.ShellCompDirectiveNoFileComp
},
}
return cmd
}