MON-4616: add support for dmmultipath collector

config/v1alpha1/types_cluster_monitoring.go

@@ -466,6 +466,13 @@ type NodeExporterCollectorConfig struct {
 	// Enable when you need visibility into kernel softirq processing across CPUs.
 	// +optional
 	Softirqs NodeExporterCollectorSoftirqsConfig `json:"softirqs,omitempty,omitzero"`
+	// deviceMapperMultipath configures the dmmultipath collector, which collects statistics
+	// about DM-Multipath devices.
+	// deviceMapperMultipath is optional.
+	// When omitted, this means no opinion and the platform is left to choose a reasonable default,
+	// which is subject to change over time. The current default is enabled.
+	// +optional
+	DeviceMapperMultipath NodeExporterCollectorDeviceMapperMultipathConfig `json:"deviceMapperMultipath,omitzero"`
 }
 
 // NodeExporterCollectorCpufreqConfig provides configuration for the cpufreq collector
@@ -689,6 +696,20 @@ type NodeExporterCollectorSoftirqsConfig struct {
 	CollectionPolicy NodeExporterCollectorCollectionPolicy `json:"collectionPolicy,omitempty"`
 }
 
+// NodeExporterCollectorDeviceMapperMultipathConfig provides configuration for the dmmultipath collector
+// of the node-exporter agent. The dmmultipath collector collects statistics about
+// DM-Multipath devices.
+// It is enabled by default.
+type NodeExporterCollectorDeviceMapperMultipathConfig struct {
+	// collectionPolicy declares whether the dmmultipath collector collects metrics.
+	// This field is required.
+	// Valid values are "Collect" and "DoNotCollect".
+	// When set to "Collect", the dmmultipath collector is active and DM-Multipath device statistics are collected.
+	// When set to "DoNotCollect", the dmmultipath collector is inactive and the corresponding metrics become unavailable.
+	// +required
+	CollectionPolicy NodeExporterCollectorCollectionPolicy `json:"collectionPolicy,omitempty"`
+}
+
 // MonitoringPluginConfig provides configuration options for the monitoring plugin
 // that runs as a dynamic plugin of the OpenShift web console.
 // The monitoring plugin provides the monitoring UI in the OpenShift web console

config/v1alpha1/zz_generated.crd-manifests/0000_10_config-operator_01_clustermonitorings.crd.yaml

@@ -2162,6 +2162,28 @@ spec:
                         required:
                         - collectionPolicy
                         type: object
+                      deviceMapperMultipath:
+                        description: |-
+                          deviceMapperMultipath configures the dmmultipath collector, which collects statistics
+                          about DM-Multipath devices.
+                          deviceMapperMultipath is optional.
+                          When omitted, this means no opinion and the platform is left to choose a reasonable default,
+                          which is subject to change over time. The current default is enabled.
+                        properties:
+                          collectionPolicy:
+                            description: |-
+                              collectionPolicy declares whether the dmmultipath collector collects metrics.
+                              This field is required.
+                              Valid values are "Collect" and "DoNotCollect".
+                              When set to "Collect", the dmmultipath collector is active and DM-Multipath device statistics are collected.
+                              When set to "DoNotCollect", the dmmultipath collector is inactive and the corresponding metrics become unavailable.
+                            enum:
+                            - Collect
+                            - DoNotCollect
+                            type: string
+                        required:
+                        - collectionPolicy
+                        type: object
                       ethtool:
                         description: |-
                           ethtool configures the ethtool collector, which collects ethernet device statistics.

config/v1alpha1/zz_generated.featuregated-crd-manifests/clustermonitorings.config.openshift.io/ClusterMonitoringConfig.yaml

@@ -2162,6 +2162,28 @@ spec:
                         required:
                         - collectionPolicy
                         type: object
+                      deviceMapperMultipath:
+                        description: |-
+                          deviceMapperMultipath configures the dmmultipath collector, which collects statistics
+                          about DM-Multipath devices.
+                          deviceMapperMultipath is optional.
+                          When omitted, this means no opinion and the platform is left to choose a reasonable default,
+                          which is subject to change over time. The current default is enabled.
+                        properties:
+                          collectionPolicy:
+                            description: |-
+                              collectionPolicy declares whether the dmmultipath collector collects metrics.
+                              This field is required.
+                              Valid values are "Collect" and "DoNotCollect".
+                              When set to "Collect", the dmmultipath collector is active and DM-Multipath device statistics are collected.
+                              When set to "DoNotCollect", the dmmultipath collector is inactive and the corresponding metrics become unavailable.
+                            enum:
+                            - Collect
+                            - DoNotCollect
+                            type: string
+                        required:
+                        - collectionPolicy
+                        type: object
                       ethtool:
                         description: |-
                           ethtool configures the ethtool collector, which collects ethernet device statistics.