psu/cmd/config.go
2019-07-23 16:43:40 -04:00

99 lines
2.4 KiB
Go

package cmd
import (
"fmt"
"github.com/greenled/portainer-stack-utils/common"
"github.com/mitchellh/go-homedir"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"log"
"os"
"sort"
)
// configCmd represents the config command
var configCmd = &cobra.Command{
Use: "config KEY [VALUE]",
Short: "Get and set configuration options",
Example: "psu config user admin",
Run: func(cmd *cobra.Command, args []string) {
if viper.GetBool("config.list") {
// List config keys
keys := viper.AllKeys()
sort.Slice(keys, func(i, j int) bool {
return keys[i] < keys[j]
})
for _, key := range keys {
fmt.Println(key)
}
} else {
if len(args) >= 1 {
// Check if it's a valid key
var keyExists bool
for _, key := range viper.AllKeys() {
if key == args[0] {
keyExists = true
break
}
}
if !keyExists {
log.Fatalf("Unkonwn configuration key \"%s\"", args[0])
}
// Create new viper
commandViper := viper.New()
// Set config file name
var configFile string
if viper.ConfigFileUsed() != "" {
// Use config file from viper
configFile = viper.ConfigFileUsed()
} else {
// Find home directory
home, err := homedir.Dir()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// Use $HOME/.psu.yaml
configFile = fmt.Sprintf("%s%s.psu.yaml", home, string(os.PathSeparator))
}
commandViper.SetConfigFile(configFile)
// Read config from file
if configReadingErr := commandViper.ReadInConfig(); configReadingErr != nil {
common.PrintVerbose(fmt.Sprintf("Could not read configuration from \"%s\". Expect all configuration values to be unset.", configFile))
}
if len(args) == 1 {
// Get config
fmt.Println(commandViper.Get(args[0]))
} else {
// Set config
commandViper.Set(args[0], args[1])
// Make sure the config file exists
_, fileCreationErr := os.Create(configFile)
if fileCreationErr != nil {
common.CheckError(fileCreationErr)
}
// Write te config file
configWritingErr := commandViper.WriteConfig()
if configWritingErr != nil {
common.CheckError(configWritingErr)
}
}
}
}
},
}
func init() {
rootCmd.AddCommand(configCmd)
configCmd.Flags().BoolP("list", "l", false, "list all config keys")
viper.BindPFlag("config.list", configCmd.Flags().Lookup("list"))
}