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root.go
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root.go
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// Copyright © 2016 NAME HERE <EMAIL ADDRESS>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"fmt"
"log"
"os"
"github.com/mitchellh/go-homedir"
"github.com/spf13/cobra"
)
var cfgDir string
// RootCmd represents the base command when called without any subcommands
var RootCmd = &cobra.Command{
Use: "concourse-aws",
Short: "Scalable Concourse CI Server on AWS",
Long: `This tool can provision scalable concourse ci servers on AWS. This also supports to sync(get/put) configuration files with S3.
`,
// 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 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(&cfgDir,
"config-dir",
fmt.Sprintf("%s/%s", defaultCfgDir(), ".concourse-aws/"),
"directory name in which configurations are stored.")
}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
}
func defaultCfgDir() string {
homeDir, err := homedir.Dir()
if err != nil {
log.Panic("cannot resolve user home directory.")
}
expandedHomeDir, err := homedir.Expand(homeDir)
if err != nil {
log.Panic("cannot expand user home directory.")
}
return expandedHomeDir
}