/
get.go
88 lines (68 loc) · 2.45 KB
/
get.go
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// Copyright © 2017 Wikia Inc.
//
// 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/Wikia/konfigurator/inputs"
"github.com/Wikia/konfigurator/outputs"
"github.com/spf13/cobra"
"os"
"github.com/Wikia/konfigurator/config"
"github.com/spf13/viper"
)
var (
OutputFmt string
)
// getCmd represents the get command
var getCmd = &cobra.Command{
Use: "get",
Short: "Gets configuration and prints out its contents",
Long: `Fetches configuration for configured sources and prints out it on stdout`,
RunE: func(cmd *cobra.Command, args []string) error {
out := outputs.Get(OutputFmt)
if out == nil {
return fmt.Errorf("Unknown output format: %s", OutputFmt)
}
cfg := config.Get()
if len(cfg.Application.Name) == 0 {
return fmt.Errorf("Missing service name")
}
if len(cfg.Application.Namespace) == 0 {
return fmt.Errorf("Missing namespace")
}
varDefinitions, err := config.ParseVariableDefinitions(cfg.Application.Definitions)
if err != nil {
return err
}
variables, err := inputs.Process(varDefinitions)
if err != nil {
return fmt.Errorf("Error processing variables: %s", err)
}
err = out.Save(cfg.Application.Name, cfg.Application.Namespace, os.Stdout, variables)
if err != nil {
return fmt.Errorf("Error saving variables: %s", err)
}
return nil
},
SilenceErrors: true,
SilenceUsage: true,
}
func init() {
RootCmd.AddCommand(getCmd)
getCmd.Flags().StringVarP(&OutputFmt, "output", "o", "k8s-yaml", fmt.Sprintf("Output format (available formats: %v)", outputs.GetRegisteredNames()))
getCmd.PersistentFlags().StringP("namespace", "n", "dev", "Kubernetes namespace for which files should be generated for")
getCmd.PersistentFlags().String("name", "", "Name of the service to download variables for")
_ = viper.BindPFlag("application.namespace", getCmd.PersistentFlags().Lookup("namespace"))
_ = viper.BindPFlag("application.name", getCmd.PersistentFlags().Lookup("name"))
}