github.com/emc-advanced-dev/unik@v0.0.0-20190717152701-a58d3e8e33b7/cmd/compilers.go (about)

     1  // Copyright © 2016 NAME HERE <EMAIL ADDRESS>
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package cmd
    16  
    17  import (
    18  	"fmt"
    19  	"os"
    20  	"strings"
    21  
    22  	"github.com/sirupsen/logrus"
    23  	"github.com/spf13/cobra"
    24  
    25  	"github.com/solo-io/unik/pkg/client"
    26  )
    27  
    28  var compilersCmd = &cobra.Command{
    29  	Use:   "compilers",
    30  	Short: "List available unikernel compilers",
    31  	Long:  `Returns a list of compilers available to the targeted unik backend.`,
    32  	Run: func(cmd *cobra.Command, args []string) {
    33  		if err := func() error {
    34  			if err := readClientConfig(); err != nil {
    35  				return err
    36  			}
    37  			if host == "" {
    38  				host = clientConfig.Host
    39  			}
    40  			logrus.WithField("host", host).Info("listing compilers")
    41  			compilers, err := client.UnikClient(host).AvailableCompilers()
    42  			if err != nil {
    43  				return err
    44  			}
    45  			fmt.Printf("%s\n", strings.Join(compilers, "\n"))
    46  			return nil
    47  		}(); err != nil {
    48  			logrus.Errorf("failed listing compilers: %v", err)
    49  			os.Exit(-1)
    50  		}
    51  	},
    52  }
    53  
    54  func init() {
    55  	RootCmd.AddCommand(compilersCmd)
    56  }