141 lines
4.2 KiB
Go
141 lines
4.2 KiB
Go
package cmd
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import (
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"os"
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"fmt"
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"strings"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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const (
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version = "0.02"
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)
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var (
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gJails []Jail
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gUseSudo bool
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gConfigFile string
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gDisplayColumns string
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gFilterJails string
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gSortFields string
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gNoLineSep bool
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rootCmd = & cobra.Command{
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Use: "gocage",
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Short: "GoCage is a FreeBSD Jail management tool",
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Long: `GoCage is a jail management tool. It support VNET, host-only, NAT networks. Provides snapshots and cloning.
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It support iocage jails and can coexist with iocage.`,
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Run: func(cmd *cobra.Command, args []string) {
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fmt.Println("Here we are in the Run")
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},
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}
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versionCmd = &cobra.Command{
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Use: "version",
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Short: "Print the version number of GoCage",
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Long: `Let this show you how much fail I had to get this *cough* perfect`,
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Run: func(cmd *cobra.Command, args []string) {
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fmt.Printf("GoCage v.%s\n", version)
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},
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}
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listCmd = &cobra.Command{
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Use: "list",
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Short: "Print jails",
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Long: `Display jails, their IP and OS.
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Jail list can be restricted by adding name on command line
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ex: gocage list srv-db srv-web`,
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Run: func(cmd *cobra.Command, args []string) {
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ListJails(args, true)
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},
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}
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stopCmd = &cobra.Command{
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Use: "stop",
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Short: "stop jail",
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Long: `shutdown jail`,
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Run: func(cmd *cobra.Command, args []string) {
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// Get the inventory
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ListJails(args, false)
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StopJail(args)
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},
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}
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)
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func init() {
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cobra.OnInitialize(initConfig)
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// Global switches
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rootCmd.PersistentFlags().StringVarP(&gConfigFile, "config", "c", "/usr/local/etc/gocage.conf.yml", "GoCage configuration file")
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rootCmd.PersistentFlags().BoolVarP(&gUseSudo, "sudo", "u", false, "Use sudo to run commands")
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// Command dependant switches
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listCmd.PersistentFlags().StringVarP(&gDisplayColumns, "outcol", "o", "JID,Name,Config.Release,Config.Ip4_addr,Running", "Show these columns in output")
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listCmd.PersistentFlags().BoolVarP(&gNoLineSep, "nolinesep", "l", false, "Do not display line separator between jails")
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listCmd.PersistentFlags().StringVarP(&gFilterJails, "filter", "f", "none", "Only display jails with these values. Ex: \"gocage list -f Config.Boot=1\" will only list started on boot jails")
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listCmd.PersistentFlags().StringVarP(&gSortFields, "sort", "s", "none", "Display jails sorted by field values. Ex: \"gocage list -s +Name,-Config.Priority\" will sort jails by their decreasing name, then increasing start priority. 3 critera max supported.")
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// Now declare commands
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rootCmd.AddCommand(versionCmd)
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rootCmd.AddCommand(listCmd)
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rootCmd.AddCommand(stopCmd)
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}
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func initConfig() {
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if gConfigFile == "" {
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fmt.Println("No config file!")
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os.Exit(1)
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}
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// fmt.Printf("We are in initConfig(), with config file %s\n", gConfigFile)
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viper.SetConfigFile(gConfigFile)
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if err := viper.ReadInConfig(); err != nil {
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fmt.Printf("ERROR reading config file %s : %s\n", gConfigFile, err.Error())
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os.Exit(1)
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}
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// fmt.Println("Using config file:", viper.ConfigFileUsed())
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// fmt.Printf("datastore in config : %s\n", viper.GetStringSlice("datastore"))
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// fmt.Printf("datastore.0 in config : %s\n", viper.GetStringSlice("datastore.0"))
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// Command line flags have priority on config file
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if rootCmd.Flags().Lookup("sudo") != nil && false == rootCmd.Flags().Lookup("sudo").Changed {
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gUseSudo = viper.GetBool("sudo")
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}
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if listCmd.Flags().Lookup("outcol") != nil && false == listCmd.Flags().Lookup("outcol").Changed {
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gDisplayColumns = viper.GetString("outcol")
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}
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if listCmd.Flags().Lookup("nolinesep") != nil && false == listCmd.Flags().Lookup("nolinesep").Changed {
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gNoLineSep = viper.GetBool("nolinesep")
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}
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if listCmd.Flags().Lookup("filter") != nil && false == listCmd.Flags().Lookup("filter").Changed {
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gFilterJails = viper.GetString("filter")
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}
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if listCmd.Flags().Lookup("sort") != nil && false == listCmd.Flags().Lookup("sort").Changed {
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gSortFields = viper.GetString("sort")
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}
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if len(strings.Split(gSortFields, ",")) > 3 {
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fmt.Printf("More than 3 sort criteria, this is not supported!\n")
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os.Exit(1)
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}
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}
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func Execute() {
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if err := rootCmd.Execute(); err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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}
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