mirror of
https://gitee.com/rainbond/Rainbond.git
synced 2024-12-05 13:17:42 +08:00
110 lines
3.2 KiB
Go
110 lines
3.2 KiB
Go
// RAINBOND, Application Management Platform
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// Copyright (C) 2014-2019 Goodrain Co., Ltd.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version. For any non-GPL usage of Rainbond,
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// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
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// must be obtained first.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"context"
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"fmt"
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"strings"
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v2 "github.com/envoyproxy/go-control-plane/envoy/api/v2"
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"github.com/envoyproxy/go-control-plane/envoy/api/v2/core"
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endpoint "github.com/envoyproxy/go-control-plane/envoy/api/v2/endpoint"
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envoyv2 "github.com/goodrain/rainbond/node/core/envoy/v2"
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"github.com/gosuri/uitable"
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"github.com/urfave/cli"
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"google.golang.org/grpc"
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)
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//NewCmdEnvoy envoy cmd
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func NewCmdEnvoy() cli.Command {
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c := cli.Command{
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Name: "envoy",
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Usage: "envoy management related commands",
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Flags: []cli.Flag{
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cli.StringFlag{
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Name: "address",
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Usage: "node envoy api address",
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Value: "127.0.0.1:6101",
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},
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cli.StringFlag{
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Name: "node",
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Usage: "envoy node name",
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},
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},
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Subcommands: []cli.Command{
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cli.Command{
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Name: "endpoints",
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Usage: "list envoy node endpoints",
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Action: func(c *cli.Context) error {
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return listEnvoyEndpoint(c)
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},
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},
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},
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}
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return c
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}
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func listEnvoyEndpoint(c *cli.Context) error {
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if c.GlobalString("node") == "" {
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showError("node name can not be empty,please define by --node")
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}
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cli, err := grpc.Dial(c.GlobalString("address"), grpc.WithInsecure())
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if err != nil {
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showError(err.Error())
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}
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endpointDiscover := v2.NewEndpointDiscoveryServiceClient(cli)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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res, err := endpointDiscover.FetchEndpoints(ctx, &v2.DiscoveryRequest{
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Node: &core.Node{
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Cluster: c.GlobalString("node"),
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Id: c.GlobalString("node"),
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},
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})
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if err != nil {
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showError(err.Error())
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}
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if len(res.Resources) == 0 {
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showError("not find endpoints")
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}
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endpoints := envoyv2.ParseLocalityLbEndpointsResource(res.Resources)
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table := uitable.New()
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table.Wrap = true // wrap columns
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for _, end := range endpoints {
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table.AddRow(end.ClusterName, strings.Join(func() []string {
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var re []string
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for _, e := range end.Endpoints {
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for _, a := range e.LbEndpoints {
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if lbe, ok := a.HostIdentifier.(*endpoint.LbEndpoint_Endpoint); ok && lbe != nil {
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if address, ok := lbe.Endpoint.Address.Address.(*core.Address_SocketAddress); ok && address != nil {
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if port, ok := address.SocketAddress.PortSpecifier.(*core.SocketAddress_PortValue); ok && port != nil {
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re = append(re, fmt.Sprintf("%s:%d", address.SocketAddress.Address, port.PortValue))
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}
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}
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}
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}
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}
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return re
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}(), ";"))
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}
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fmt.Println(table)
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return nil
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}
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