istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pilot/pkg/bootstrap/util.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 bootstrap
    16  
    17  import (
    18  	"istio.io/istio/pilot/pkg/model"
    19  	"istio.io/istio/pilot/pkg/serviceregistry/provider"
    20  	"istio.io/istio/pkg/ledger"
    21  )
    22  
    23  func hasKubeRegistry(registries []string) bool {
    24  	for _, r := range registries {
    25  		if provider.ID(r) == provider.Kubernetes {
    26  			return true
    27  		}
    28  	}
    29  	return false
    30  }
    31  
    32  func buildLedger(ca RegistryOptions) ledger.Ledger {
    33  	var result ledger.Ledger
    34  	if ca.DistributionTrackingEnabled {
    35  		result = ledger.Make(ca.DistributionCacheRetention)
    36  	} else {
    37  		result = &model.DisabledLedger{}
    38  	}
    39  	return result
    40  }