istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pkg/config/analysis/analyzers/telemetry/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  package telemetry
    15  
    16  import (
    17  	"sort"
    18  
    19  	"istio.io/api/mesh/v1alpha1"
    20  	"istio.io/istio/pkg/config/analysis"
    21  	"istio.io/istio/pkg/config/analysis/analyzers/util"
    22  	"istio.io/istio/pkg/config/resource"
    23  	"istio.io/istio/pkg/config/schema/gvk"
    24  )
    25  
    26  func getNames(entries []*resource.Instance) []string {
    27  	names := make([]string, 0, len(entries))
    28  	for _, rs := range entries {
    29  		names = append(names, string(rs.Metadata.FullName.Name))
    30  	}
    31  	sort.Strings(names)
    32  	return names
    33  }
    34  
    35  func fetchMeshConfig(c analysis.Context) *v1alpha1.MeshConfig {
    36  	var meshConfig *v1alpha1.MeshConfig
    37  	c.ForEach(gvk.MeshConfig, func(r *resource.Instance) bool {
    38  		meshConfig = r.Message.(*v1alpha1.MeshConfig)
    39  		return r.Metadata.FullName.Name != util.MeshConfigName
    40  	})
    41  
    42  	return meshConfig
    43  }