istio

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// Copyright Istio Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//     http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package serviceentry
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import (
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	networking "istio.io/api/networking/v1alpha3"
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	"istio.io/istio/pkg/network"
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)
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// return the mesh network for the workload entry. Empty string if not found.
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func (s *Controller) workloadEntryNetwork(wle *networking.WorkloadEntry) network.ID {
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	if s == nil {
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		return ""
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	}
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	// 1. first check the wle.Network
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	if wle.Network != "" {
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		return network.ID(wle.Network)
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	}
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	// 2. fall back to the passed in getNetworkCb func.
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	if s.networkIDCallback != nil {
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		return s.networkIDCallback(wle.Address, wle.Labels)
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	}
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	return ""
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}
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