feat: add CSI volume attributes to PV info metric

Signed-off-by: João Vilaça <jvilaca@redhat.com>
openshift · Oct 10, 2023 · 56eebc1 · 56eebc1
1 parent 48568ab
commit 56eebc1
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Showing 3 changed files with 32 additions and 16 deletions.
diff --git a/docs/persistentvolume-metrics.md b/docs/persistentvolume-metrics.md
@@ -7,6 +7,6 @@
 | kube_persistentvolume_status_phase | Gauge | | | `persistentvolume`=&lt;pv-name&gt; <br>`phase`=&lt;Bound\|Failed\|Pending\|Available\|Released&gt; | STABLE |
 | kube_persistentvolume_claim_ref | Gauge | | | `persistentvolume`=&lt;pv-name&gt; <br>`claim_namespace`=&lt;<namespace>&gt; <br>`name`=&lt;<name>&gt; | STABLE |
 | kube_persistentvolume_labels | Gauge | | | `persistentvolume`=&lt;persistentvolume-name&gt; <br> `label_PERSISTENTVOLUME_LABEL`=&lt;PERSISTENTVOLUME_LABEL&gt; | STABLE |
-| kube_persistentvolume_info | Gauge | | | `persistentvolume`=&lt;pv-name&gt; <br> `storageclass`=&lt;storageclass-name&gt; <br> `gce_persistent_disk_name`=&lt;pd-name&gt; <br> `host_path`=&lt;path-of-a-host-volume&gt; <br> `host_path_type`=&lt;host-mount-type&gt; <br> `ebs_volume_id`=&lt;ebs-volume-id&gt; <br> `azure_disk_name`=&lt;azure-disk-name&gt; <br> `fc_wwids`=&lt;fc-wwids-comma-separated&gt; <br> `fc_lun`=&lt;fc-lun&gt; <br> `fc_target_wwns`=&lt;fc-target-wwns-comma-separated&gt; <br> `iscsi_target_portal`=&lt;iscsi-target-portal&gt; <br> `iscsi_iqn`=&lt;iscsi-iqn&gt; <br> `iscsi_lun`=&lt;iscsi-lun&gt; <br> `iscsi_initiator_name`=&lt;iscsi-initiator-name&gt; <br> `local_path`=&lt;path-of-a-local-volume&gt; <br> `local_fs`=&lt;local-volume-fs-type&gt; <br> `nfs_server`=&lt;nfs-server&gt; <br> `nfs_path`=&lt;nfs-path&gt; <br> `csi_driver`=&lt;csi-driver&gt; <br> `csi_volume_handle`=&lt;csi-volume-handle&gt; | STABLE |
+| kube_persistentvolume_info | Gauge | | | `persistentvolume`=&lt;pv-name&gt; <br> `storageclass`=&lt;storageclass-name&gt; <br> `gce_persistent_disk_name`=&lt;pd-name&gt; <br> `host_path`=&lt;path-of-a-host-volume&gt; <br> `host_path_type`=&lt;host-mount-type&gt; <br> `ebs_volume_id`=&lt;ebs-volume-id&gt; <br> `azure_disk_name`=&lt;azure-disk-name&gt; <br> `fc_wwids`=&lt;fc-wwids-comma-separated&gt; <br> `fc_lun`=&lt;fc-lun&gt; <br> `fc_target_wwns`=&lt;fc-target-wwns-comma-separated&gt; <br> `iscsi_target_portal`=&lt;iscsi-target-portal&gt; <br> `iscsi_iqn`=&lt;iscsi-iqn&gt; <br> `iscsi_lun`=&lt;iscsi-lun&gt; <br> `iscsi_initiator_name`=&lt;iscsi-initiator-name&gt; <br> `local_path`=&lt;path-of-a-local-volume&gt; <br> `local_fs`=&lt;local-volume-fs-type&gt; <br> `nfs_server`=&lt;nfs-server&gt; <br> `nfs_path`=&lt;nfs-path&gt; <br> `csi_driver`=&lt;csi-driver&gt; <br> `csi_volume_handle`=&lt;csi-volume-handle&gt; <br> `csi_mounter`=&lt;csi-mounter&gt; <br> `csi_map_options`=&lt;csi-map-options&gt;| STABLE |
 | kube_persistentvolume_created | Gauge | Unix Creation Timestamp | seconds | `persistentvolume`=&lt;persistentvolume-name&gt; <br> | EXPERIMENTAL |
 
diff --git a/internal/store/persistentvolume.go b/internal/store/persistentvolume.go
@@ -179,6 +179,7 @@ func persistentVolumeMetricFamilies(allowAnnotationsList, allowLabelsList []stri
 					iscsiTargetPortal, iscsiIQN, iscsiLun, iscsiInitiatorName,
 					nfsServer, nfsPath,
 					csiDriver, csiVolumeHandle,
+					csiMounter, csiMapOptions,
 					localFS, localPath,
 					hostPath, hostPathType string
 				)
@@ -219,6 +220,13 @@ func persistentVolumeMetricFamilies(allowAnnotationsList, allowLabelsList []stri
 				case p.Spec.PersistentVolumeSource.CSI != nil:
 					csiDriver = p.Spec.PersistentVolumeSource.CSI.Driver
 					csiVolumeHandle = p.Spec.PersistentVolumeSource.CSI.VolumeHandle
+					for k, v := range p.Spec.PersistentVolumeSource.CSI.VolumeAttributes {
+						if k == "mapOptions" {
+							csiMapOptions = v
+						} else if k == "mounter" {
+							csiMounter = v
+						}
+					}
 				case p.Spec.PersistentVolumeSource.Local != nil:
 					localPath = p.Spec.PersistentVolumeSource.Local.Path
 					if p.Spec.PersistentVolumeSource.Local.FSType != nil {
@@ -250,6 +258,8 @@ func persistentVolumeMetricFamilies(allowAnnotationsList, allowLabelsList []stri
 								"nfs_path",
 								"csi_driver",
 								"csi_volume_handle",
+								"csi_mounter",
+								"csi_map_options",
 								"local_path",
 								"local_fs",
 								"host_path",
@@ -271,6 +281,8 @@ func persistentVolumeMetricFamilies(allowAnnotationsList, allowLabelsList []stri
 								nfsPath,
 								csiDriver,
 								csiVolumeHandle,
+								csiMounter,
+								csiMapOptions,
 								localPath,
 								localFS,
 								hostPath,