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

     1  // Copyright 2017 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  	"encoding/json"
    19  	"fmt"
    20  
    21  	"github.com/spf13/cobra"
    22  )
    23  
    24  // policyValidateCmd represents the policy_validate command
    25  var policyValidateCmd = &cobra.Command{
    26  	Use:    "validate <path>",
    27  	Short:  "Validate a policy",
    28  	PreRun: requirePath,
    29  	Run: func(cmd *cobra.Command, args []string) {
    30  		path := args[0]
    31  		if ruleList, err := loadPolicy(path); err != nil {
    32  			Fatalf("Validation of policy has failed: %s\n", err)
    33  		} else {
    34  			for _, r := range ruleList {
    35  				if err := r.Sanitize(); err != nil {
    36  					Fatalf("Validation of policy has failed: %s\n", err)
    37  				}
    38  			}
    39  			fmt.Printf("All policy elements are valid.\n")
    40  
    41  			if printPolicy {
    42  				jsonPolicy, err := json.MarshalIndent(ruleList, "", "  ")
    43  				if err != nil {
    44  					Fatalf("Cannot marshal policy: %s\n", err)
    45  				}
    46  				fmt.Printf("%s", string(jsonPolicy))
    47  			}
    48  		}
    49  	},
    50  }
    51  
    52  func init() {
    53  	policyCmd.AddCommand(policyValidateCmd)
    54  	policyValidateCmd.Flags().BoolVarP(&printPolicy, "print", "", false, "Print policy after validation")
    55  
    56  }