mirror of
https://gitee.com/rainbond/Rainbond.git
synced 2024-12-09 23:28:06 +08:00
133 lines
3.2 KiB
Go
133 lines
3.2 KiB
Go
// RAINBOND, Application Management Platform
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// Copyright (C) 2014-2020 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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"encoding/json"
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"fmt"
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"io"
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"net"
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"net/http"
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"os"
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"strings"
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"github.com/goodrain/rainbond/gateway/controller/openresty/model"
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"github.com/gosuri/uitable"
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"github.com/urfave/cli"
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)
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//NewCmdGateway gateway cmd
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func NewCmdGateway() cli.Command {
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c := cli.Command{
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Name: "gateway",
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Usage: "Gateway management related commands",
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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 gateway http endpoints",
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Subcommands: []cli.Command{
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cli.Command{
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Name: "http",
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Usage: "list gateway http endpoints",
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Flags: []cli.Flag{
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cli.IntFlag{
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Name: "port",
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Usage: "gateway http endpoint query port",
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Value: 18080,
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},
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},
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Action: func(c *cli.Context) error {
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return listHTTPEndpoint(c)
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},
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},
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cli.Command{
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Name: "stream",
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Usage: "list gateway stream endpoints",
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Flags: []cli.Flag{
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cli.IntFlag{
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Name: "port",
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Usage: "gateway stream endpoint query port",
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Value: 18081,
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},
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},
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Action: func(c *cli.Context) error {
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return listStreamEndpoint(c)
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},
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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 c
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}
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func listStreamEndpoint(c *cli.Context) error {
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return tcpGetAndPrint(fmt.Sprintf("127.0.0.1:%d", c.Int("port")))
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}
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func listHTTPEndpoint(c *cli.Context) error {
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return httpGetAndPrint(fmt.Sprintf("http://127.0.0.1:%d/config/backends", c.Int("port")))
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}
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func tcpGetAndPrint(address string) error {
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conn, err := net.Dial("tcp", address)
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if err != nil {
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return err
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}
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defer conn.Close()
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_, err = conn.Write([]byte("GET\r\n"))
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if err != nil {
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return err
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}
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print(conn)
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return nil
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}
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func httpGetAndPrint(url string) error {
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res, err := http.Get(url)
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if err != nil {
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fmt.Println(err.Error())
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os.Exit(1)
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}
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if res.Body != nil {
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defer res.Body.Close()
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print(res.Body)
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}
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return nil
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}
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func print(reader io.Reader) {
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decoder := json.NewDecoder(reader)
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var backends []*model.Backend
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if err := decoder.Decode(&backends); err != nil {
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fmt.Println(err.Error())
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os.Exit(1)
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}
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table := uitable.New()
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table.Wrap = true // wrap columns
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for _, b := range backends {
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table.AddRow(b.Name, strings.Join(func() []string {
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var re []string
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for _, e := range b.Endpoints {
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re = append(re, fmt.Sprintf("%s:%s %d", e.Address, e.Port, e.Weight))
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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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}
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