chore(k8sclusterreceiver): 🔥 remove deprecated kubernetes API resources

receiver/k8sclusterreceiver/README.md

@@ -67,6 +67,9 @@ The following allocatable resource types are available.
   - storage
 - `metrics`: Allows to enable/disable metrics.
 - `resource_attributes`: Allows to enable/disable resource attributes.
+- `ignore_deprecated_resource` (default = `false`): Whether to ignore deprecated Kubernetes API resources. If set to true,
+  the receiver will not collect metrics for deprecated resources. This setting is useful for clusters that have deprecated
+  resources that are not used anymore and are causing errors or warnings in the logs.
 
 Example:
 
@@ -81,6 +84,7 @@ Example:
   resource_attributes:
     container.id:
       enabled: false
+  ignore_deprecated_resource: true
 ```
 
 The full list of settings exposed for this receiver are documented [here](./config.go)

receiver/k8sclusterreceiver/config.go

@@ -39,6 +39,9 @@ type Config struct {
 
 	// MetricsBuilderConfig allows customizing scraped metrics/attributes representation.
 	metadata.MetricsBuilderConfig `mapstructure:",squash"`
+
+	// Whether to ignore deprecated resources or not.
+	IgnoreDeprecatedResource bool `mapstructure:"ignore_deprecated_resource"`
 }
 
 func (cfg *Config) Validate() error {

receiver/k8sclusterreceiver/factory.go

@@ -23,6 +23,7 @@ const (
 	defaultCollectionInterval         = 10 * time.Second
 	defaultDistribution               = distributionKubernetes
 	defaultMetadataCollectionInterval = 5 * time.Minute
+	defaultIgnoreDeprecatedResource   = false
 )
 
 var defaultNodeConditionsToReport = []string{"Ready"}
@@ -37,6 +38,7 @@ func createDefaultConfig() component.Config {
 		},
 		MetadataCollectionInterval: defaultMetadataCollectionInterval,
 		MetricsBuilderConfig:       metadata.DefaultMetricsBuilderConfig(),
+		IgnoreDeprecatedResource:   defaultIgnoreDeprecatedResource,
 	}
 }
 

receiver/k8sclusterreceiver/testdata/config.yaml

@@ -5,6 +5,7 @@ k8s_cluster/all_settings:
   allocatable_types_to_report: [ "cpu","memory" ]
   metadata_exporters: [ nop ]
   metadata_collection_interval: 30m
+  ignore_deprecated_resource: false
 k8s_cluster/partial_settings:
   collection_interval: 30s
   distribution: openshift

receiver/k8sclusterreceiver/watcher.go

@@ -127,19 +127,25 @@ func (rw *resourceWatcher) prepareSharedInformerFactory() error {
 	// informer for that kind won't be set and a warning message is thrown.
 	// This map should be kept in sync with what can be provided by the supported k8s server versions.
 	supportedKinds := map[string][]schema.GroupVersionKind{
-		"Pod":                     {gvk.Pod},
-		"Node":                    {gvk.Node},
-		"Namespace":               {gvk.Namespace},
-		"ReplicationController":   {gvk.ReplicationController},
-		"ResourceQuota":           {gvk.ResourceQuota},
-		"Service":                 {gvk.Service},
-		"DaemonSet":               {gvk.DaemonSet},
-		"Deployment":              {gvk.Deployment},
-		"ReplicaSet":              {gvk.ReplicaSet},
-		"StatefulSet":             {gvk.StatefulSet},
-		"Job":                     {gvk.Job},
-		"CronJob":                 {gvk.CronJob, gvk.CronJobBeta},
-		"HorizontalPodAutoscaler": {gvk.HorizontalPodAutoscaler, gvk.HorizontalPodAutoscalerBeta},
+		"Pod":                   {gvk.Pod},
+		"Node":                  {gvk.Node},
+		"Namespace":             {gvk.Namespace},
+		"ReplicationController": {gvk.ReplicationController},
+		"ResourceQuota":         {gvk.ResourceQuota},
+		"Service":               {gvk.Service},
+		"DaemonSet":             {gvk.DaemonSet},
+		"Deployment":            {gvk.Deployment},
+		"ReplicaSet":            {gvk.ReplicaSet},
+		"StatefulSet":           {gvk.StatefulSet},
+		"Job":                   {gvk.Job},
+	}
+
+	if !rw.config.IgnoreDeprecatedResource {
+		supportedKinds["CronJob"] = []schema.GroupVersionKind{gvk.CronJob, gvk.CronJobBeta}
+		supportedKinds["HorizontalPodAutoscaler"] = []schema.GroupVersionKind{gvk.HorizontalPodAutoscaler, gvk.HorizontalPodAutoscalerBeta}
+	} else {
+		supportedKinds["CronJob"] = []schema.GroupVersionKind{gvk.CronJob}
+		supportedKinds["HorizontalPodAutoscaler"] = []schema.GroupVersionKind{gvk.HorizontalPodAutoscaler}
 	}
 
 	for kind, gvks := range supportedKinds {