istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pkg/config/analysis/analyzers/telemetry/providers.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 telemetry
    16  
    17  import (
    18  	telemetryapi "istio.io/api/telemetry/v1alpha1"
    19  	"istio.io/istio/pkg/config"
    20  	"istio.io/istio/pkg/config/analysis"
    21  	"istio.io/istio/pkg/config/analysis/msg"
    22  	"istio.io/istio/pkg/config/resource"
    23  	"istio.io/istio/pkg/config/schema/gvk"
    24  )
    25  
    26  type ProdiverAnalyzer struct{}
    27  
    28  var _ analysis.Analyzer = &ProdiverAnalyzer{}
    29  
    30  // Metadata implements Analyzer
    31  func (a *ProdiverAnalyzer) Metadata() analysis.Metadata {
    32  	return analysis.Metadata{
    33  		Name:        "telemetry.ProviderAnalyzer",
    34  		Description: "Validates that providers in telemetry resource is valid",
    35  		Inputs: []config.GroupVersionKind{
    36  			gvk.Telemetry,
    37  			gvk.MeshConfig,
    38  		},
    39  	}
    40  }
    41  
    42  // Analyze implements Analyzer
    43  func (a *ProdiverAnalyzer) Analyze(c analysis.Context) {
    44  	meshConfig := fetchMeshConfig(c)
    45  	if meshConfig.DefaultProviders == nil ||
    46  		len(meshConfig.DefaultProviders.AccessLogging) == 0 {
    47  		c.ForEach(gvk.Telemetry, func(r *resource.Instance) bool {
    48  			telemetry := r.Message.(*telemetryapi.Telemetry)
    49  
    50  			for _, l := range telemetry.AccessLogging {
    51  				if l.Disabled != nil && l.Disabled.Value {
    52  					continue
    53  				}
    54  				if len(l.Providers) == 0 {
    55  					c.Report(gvk.Telemetry,
    56  						msg.NewInvalidTelemetryProvider(r, string(r.Metadata.FullName.Name), string(r.Metadata.FullName.Namespace)))
    57  				}
    58  			}
    59  
    60  			return true
    61  		})
    62  	}
    63  }