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// Copyright (c) Authors of Clover
//
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Apache License, Version 2.0
// which accompanies this distribution, and is available at
// http://www.apache.org/licenses/LICENSE-2.0
package cmd
import (
"fmt"
"os"
"strings"
homedir "github.com/mitchellh/go-homedir"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"cloverkube"
)
var cfgFile string
var controllerIP string
var cloverFile string
// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
Use: "cloverctl",
Short: "Command-Line Interface (CLI) for Clover",
Long: ``,
// Uncomment the following line if your bare application
// has an action associated with it:
//Run: func(cmd *cobra.Command, args []string) {
//},
}
// Execute adds all child commands to the root command and sets flags
// appropriately. This is called by main.main(). It only needs to happen
// once to the rootCmd.
func Execute() {
if err := rootCmd.Execute(); err != nil {
fmt.Println(err)
os.Exit(1)
}
}
func init() {
cobra.OnInitialize(initConfig)
// Here you will define your flags and configuration settings.
// Cobra supports persistent flags, which, if defined here,
// will be global for your application.
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "",
"config file (default is $HOME/.cloverctl.yaml)")
// Cobra also supports local flags, which will only run
// when this action is called directly.
rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
if cfgFile != "" {
// Use config file from the flag.
viper.SetConfigFile(cfgFile)
} else {
// Find home directory.
home, err := homedir.Dir()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// Search config in home directory with name ".cloverctl"
viper.AddConfigPath(home)
viper.SetConfigName(".cloverctl")
}
viper.AutomaticEnv() // read in environment variables that match
cip_file := ""
// If a config file is found in home, read it in.
if err := viper.ReadInConfig(); err == nil {
fmt.Println("Using config file:", viper.ConfigFileUsed())
cip_file = viper.GetString("ControllerIP")
} else {
// Check for file in path from cloverctl
ep, err := os.Executable()
if err == nil {
exe_path := strings.Replace(ep, "cloverctl", "", -1)
viper.AddConfigPath(exe_path)
if err := viper.ReadInConfig(); err == nil {
fmt.Println("Using config file:", viper.ConfigFileUsed())
cip_file = viper.GetString("ControllerIP")
}
}
}
cPort, cip_kube := cloverkube.GetServicesPortIP("clover-controller")
// If IP in file
if cip_file != "" {
// Nodeport
controllerIP = "http://" + cip_file + ":" + fmt.Sprint(cPort)
}
// Override IP, if LB IP found
if cip_kube != "" {
fmt.Printf("IP %v", cip_kube)
controllerIP = "http://" + cip_kube
}
}
func checkControllerIP() {
// controllerIP exists
service := "clover-controller"
if controllerIP == "" {
fmt.Printf("%s address unspecified or cannot be found\n", service)
os.Exit(1)
} else {
fmt.Printf("%s address: %s\n", service, controllerIP)
}
}
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