75 lines
1.9 KiB
Go
75 lines
1.9 KiB
Go
/*
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Copyright © 2021 Arsen Musayelyan
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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.
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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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*/
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package cmd
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import (
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"os"
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"os/exec"
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"strings"
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"github.com/rs/zerolog/log"
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"github.com/spf13/cobra"
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)
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// proxyCmd represents the proxy command
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var proxyCmd = &cobra.Command{
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Use: "proxy [flags] <user@node> <local-port:host:remote-port>",
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Short: "Proxy a particular port from a node to a local port",
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Example: "proxy pi@raspberrypi 8080:localhost:80",
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Run: func(cmd *cobra.Command, args []string) {
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if len(args) < 2 {
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cmd.Usage()
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os.Exit(1)
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}
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// Get node list from server
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nodes := getNodeList()
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// Split first argument by "@"
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splitArg := strings.Split(args[0], "@")
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// If less than two elements, argumen is invalid
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if len(splitArg) != 2 {
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log.Fatal().Msg("Invalid username/node argument")
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}
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// Get variables from split argument
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username, nodeName := splitArg[0], splitArg[1]
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// Get node from list if it exists
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node, ok := nodes[nodeName]
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if !ok {
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log.Fatal().Str("node", nodeName).Msg("Node does not exist on the server")
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}
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// Create ssh command
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ssh := exec.Command("ssh", username+"@"+node.IP, "-L", args[1], "-N")
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ssh.Stdin = os.Stdin
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ssh.Stdout = os.Stdout
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ssh.Stderr = os.Stderr
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// Run ssh command
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if err := ssh.Run(); err != nil {
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log.Fatal().Err(err).Msg("Error received from ssh command")
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}
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},
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}
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func init() {
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rootCmd.AddCommand(proxyCmd)
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}
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