github.com/fafucoder/cilium@v1.6.11/cilium/cmd/kvstore.go (about)

     1  // Copyright 2018 Authors of Cilium
     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  	"github.com/cilium/cilium/pkg/kvstore"
    19  	"github.com/cilium/cilium/pkg/option"
    20  
    21  	"github.com/spf13/cobra"
    22  )
    23  
    24  var (
    25  	recursive   bool
    26  	kvStore     string
    27  	kvStoreOpts = make(map[string]string)
    28  )
    29  
    30  // kvstoreCmd represents the bpf command
    31  var kvstoreCmd = &cobra.Command{
    32  	Use:   "kvstore",
    33  	Short: "Direct access to the kvstore",
    34  }
    35  
    36  func setupKvstore() {
    37  	if kvStore == "" || len(kvStoreOpts) == 0 {
    38  		resp, err := client.ConfigGet()
    39  		if err != nil {
    40  			Fatalf("Unable to retrieve cilium configuration: %s", err)
    41  		}
    42  		if resp.Status == nil {
    43  			Fatalf("Unable to retrieve cilium configuration: empty response")
    44  		}
    45  
    46  		cfgStatus := resp.Status
    47  
    48  		if kvStore == "" {
    49  			kvStore = cfgStatus.KvstoreConfiguration.Type
    50  		}
    51  
    52  		if len(kvStoreOpts) == 0 {
    53  			for k, v := range cfgStatus.KvstoreConfiguration.Options {
    54  				kvStoreOpts[k] = v
    55  			}
    56  		}
    57  	}
    58  
    59  	if err := kvstore.Setup(kvStore, kvStoreOpts, nil); err != nil {
    60  		Fatalf("Unable to setup kvstore: %s", err)
    61  	}
    62  }
    63  
    64  func init() {
    65  	rootCmd.AddCommand(kvstoreCmd)
    66  	flags := kvstoreCmd.PersistentFlags()
    67  	flags.StringVar(&kvStore, "kvstore", "", "kvstore type")
    68  	flags.Var(option.NewNamedMapOptions("kvstore-opts", &kvStoreOpts, nil), "kvstore-opt", "kvstore options")
    69  }