diff options
author | 2020-08-25 22:01:22 -0700 | |
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committer | 2020-08-25 22:14:34 -0700 | |
commit | 16ca82713faf6678d4b7055130768541f86ea20c (patch) | |
tree | bc8a457b5a545c79aff23e95e515f09c91dca3b6 /src/tools/emcoctl/cmd/root.go | |
parent | 706d0990fc2210041f467934f3ec72c9b5a06ff4 (diff) |
CLI code for EMCO
Add cli emcoctl as a client
utility for EMCO
Issue-ID: MULTICLOUD-1065
Signed-off-by: Ritu Sood <ritu.sood@intel.com>
Change-Id: Ie1951910628469b5a7e75550b9daa34ba377d1a4
Diffstat (limited to 'src/tools/emcoctl/cmd/root.go')
-rw-r--r-- | src/tools/emcoctl/cmd/root.go | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/tools/emcoctl/cmd/root.go b/src/tools/emcoctl/cmd/root.go new file mode 100644 index 00000000..4c1ac19f --- /dev/null +++ b/src/tools/emcoctl/cmd/root.go @@ -0,0 +1,85 @@ +/* +Copyright © 2020 Intel Corp + +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" + "github.com/spf13/cobra" + "os" + + homedir "github.com/mitchellh/go-homedir" + "github.com/spf13/viper" +) + +var cfgFile string + +// rootCmd represents the base command when called without any subcommands +var rootCmd = &cobra.Command{ + Use: "emco", + Short: "Emcoctl - CLI for EMCO", + // Uncomment the following line if your bare application + // has an action associated with it: + Run: func(cmd *cobra.Command, args []string) {fmt.Println("emcoctl <command> -f file") }, +} + +// 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("Test") + fmt.Println(err) + os.Exit(1) + } +} + +func init() { + cobra.OnInitialize(initConfig) + rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.emco.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() { + cfgFile = "emco-cfg.yaml" + 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) + } + fmt.Println(home) + // Search config in home directory with name ".emco" (without extension). + viper.AddConfigPath(home) + viper.SetConfigName(".emco") + } + + viper.AutomaticEnv() // read in environment variables that match + + // If a config file is found, read it in. + if err := viper.ReadInConfig(); err == nil { + fmt.Println("Using config file:", viper.ConfigFileUsed()) + err := viper.Unmarshal(&Configurations) + if err != nil { + fmt.Printf("Unable to decode into struct, %v", err) + } + } +}
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