github.com/zhyoulun/cilium@v1.6.12/pkg/policy/api/l7.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 api
    16  
    17  import (
    18  	"fmt"
    19  )
    20  
    21  // PortRuleL7 is a list of key-value pairs interpreted by a L7 protocol as
    22  // protocol constraints. All fields are optional, if all fields are empty or
    23  // missing, the rule does not have any effect.
    24  type PortRuleL7 map[string]string
    25  
    26  // Sanitize sanitizes key-value pair rules. It makes sure keys are present.
    27  func (rule *PortRuleL7) Sanitize() error {
    28  	for k := range *rule {
    29  		if k == "" {
    30  			return fmt.Errorf("Empty key not allowed")
    31  		}
    32  	}
    33  	return nil
    34  }