Add kubernetes.volume.fs.used.pct field (#23564)

* Add kubernetes.volume.fs.used.pct field Signed-off-by: chrismark <chrismarkou92@gmail.com> * Add changelog entry Signed-off-by: chrismark <chrismarkou92@gmail.com> (cherry picked from commit 29b440f)
elastic · Jan 20, 2021 · 740e6fa · 740e6fa
1 parent b1e32c1
commit 740e6fa
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Showing 6 changed files with 23 additions and 1 deletion.
diff --git a/CHANGELOG.next.asciidoc b/CHANGELOG.next.asciidoc
@@ -399,6 +399,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Honor kube event resysncs to handle missed watch events {pull}22668[22668]
 - Add autodiscover provider and metadata processor for Nomad. {pull}14954[14954] {pull}23324[23324]
 - Add `processors.rate_limit.n.dropped` monitoring counter metric for the `rate_limit` processor. {pull}23330[23330]
+- Add kubernetes.volume.fs.used.pct field. {pull}23564[23564]
 
 *Auditbeat*
 

diff --git a/metricbeat/docs/fields.asciidoc b/metricbeat/docs/fields.asciidoc
@@ -30899,6 +30899,18 @@ format: bytes
 
 --
 
+*`kubernetes.volume.fs.used.pct`*::
++
+--
+Percentage of used storage
+
+
+type: scaled_float
+
+format: percent
+
+--
+
 
 *`kubernetes.volume.fs.inodes.used`*::
 +

diff --git a/metricbeat/module/kubernetes/fields.go b/metricbeat/module/kubernetes/fields.go
diff --git a/metricbeat/module/kubernetes/volume/_meta/fields.yml b/metricbeat/module/kubernetes/volume/_meta/fields.yml
@@ -35,6 +35,11 @@
               format: bytes
               description: >
                 Filesystem total used in bytes
+            - name: pct
+              type: scaled_float
+              format: percent
+              description: >
+                Percentage of used storage
         - name: inodes
           type: group
           fields:

diff --git a/metricbeat/module/kubernetes/volume/data.go b/metricbeat/module/kubernetes/volume/data.go
@@ -67,6 +67,9 @@ func eventMapping(content []byte) ([]common.MapStr, error) {
 					},
 				},
 			}
+			if volume.CapacityBytes > 0 {
+				volumeEvent.Put("fs.used.pct", float64(volume.UsedBytes)/float64(volume.CapacityBytes))
+			}
 			events = append(events, volumeEvent)
 		}
 

diff --git a/metricbeat/module/kubernetes/volume/volume_test.go b/metricbeat/module/kubernetes/volume/volume_test.go
@@ -49,6 +49,7 @@ func TestEventMapping(t *testing.T) {
 		"fs.available.bytes": 1939689472,
 		"fs.capacity.bytes":  1939701760,
 		"fs.used.bytes":      12288,
+		"fs.used.pct":        float64(12288) / float64(1939701760),
 		"fs.inodes.used":     9,
 		"fs.inodes.free":     473551,
 		"fs.inodes.count":    473560,