istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pilot/pkg/serviceregistry/serviceentry/workloadentry.go (about)

     1  // Copyright Istio Authors
     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 serviceentry
    16  
    17  import (
    18  	networking "istio.io/api/networking/v1alpha3"
    19  	"istio.io/istio/pkg/network"
    20  )
    21  
    22  // return the mesh network for the workload entry. Empty string if not found.
    23  func (s *Controller) workloadEntryNetwork(wle *networking.WorkloadEntry) network.ID {
    24  	if s == nil {
    25  		return ""
    26  	}
    27  	// 1. first check the wle.Network
    28  	if wle.Network != "" {
    29  		return network.ID(wle.Network)
    30  	}
    31  
    32  	// 2. fall back to the passed in getNetworkCb func.
    33  	if s.networkIDCallback != nil {
    34  		return s.networkIDCallback(wle.Address, wle.Labels)
    35  	}
    36  	return ""
    37  }