123 lines
3.4 KiB
Go
123 lines
3.4 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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"net"
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"net/http"
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"strings"
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"github.com/abiosoft/ishell"
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"github.com/mitchellh/mapstructure"
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"github.com/rs/zerolog/log"
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"github.com/spf13/cobra"
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"github.com/vmihailenco/msgpack/v5"
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"go.arsenm.dev/lasso/internal/types"
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"github.com/spf13/viper"
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)
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var cfgFile string
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// rootCmd represents the base command when called without any subcommands
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var rootCmd = &cobra.Command{
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Use: "lassoctl",
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Short: "Manage devices using IPs retrieved from a lasso server",
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}
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// Execute adds all child commands to the root command and sets flags appropriately.
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// This is called by main.main(). It only needs to happen once to the rootCmd.
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func Execute() {
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cobra.CheckErr(rootCmd.Execute())
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}
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func init() {
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cobra.OnInitialize(initConfig)
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rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "", "Config file to use")
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}
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// initConfig reads in config file and ENV variables if set.
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func initConfig() {
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if cfgFile != "" {
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// Use config file from the flag.
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viper.SetConfigFile(cfgFile)
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} else {
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viper.AddConfigPath("/etc")
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viper.SetConfigType("toml")
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viper.SetConfigName("lassoctl")
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}
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viper.SetEnvPrefix("lassoctl")
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viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
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viper.AutomaticEnv() // read in environment variables that match
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// If a config file is found, read it in.
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viper.ReadInConfig()
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}
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// getNodeList gets a list of nodes from the lasso server
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func getNodeList() map[string]types.Node {
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// Get server address
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addr := net.JoinHostPort(viper.GetString("server.addr"), viper.GetString("server.port"))
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// Create base url for HTTPS server
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baseURL := "https://" + addr
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// Get node list
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res, err := http.Get(baseURL + "/node/list")
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if err != nil {
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log.Fatal().Err(err).Msg("Error getting node list from server")
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}
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var resp types.Response
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// Decode server response
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err = msgpack.NewDecoder(res.Body).Decode(&resp)
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if err != nil {
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log.Fatal().Err(err).Msg("Error decoding server response")
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}
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// If server response is an error
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if resp.Error {
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log.Fatal().Str("error", resp.Message).Msg("Server returned error")
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}
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var nodes map[string]types.Node
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// Decode response data as node map
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err = mapstructure.Decode(resp.Data, &nodes)
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if err != nil {
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log.Fatal().Err(err).Msg("Error decoding nodes map")
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}
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// Return node map
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return nodes
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}
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// cmdError prints an error while running mssh
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func cmdError(shell *ishell.Shell, node string, err error) {
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shell.Printf("%s [error]: %v\n", node, err)
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}
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// cmdOut prints output from a command while running mssh
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func cmdOut(shell *ishell.Shell, node, out string) {
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shell.Printf("%s [out]: %s\n", node, out)
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}
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// cmdSucces prints a success message while running mssh
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func cmdSuccess(shell *ishell.Shell, node, msg string) {
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shell.Printf("%s [success]: %s\n", node, msg)
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}
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