[metricbeat/kubernetes] Remove fallback to the Node's limit for the p…

…od 'usage.limit.pct' metrics (#40029)

* Remove fallback to the node limit for the usage.limit.pct metrics calculation

Signed-off-by: Tetiana Kravchenko <tetiana.kravchenko@elastic.co>

* remove debug files

Signed-off-by: Tetiana Kravchenko <tetiana.kravchenko@elastic.co>

* fix the fields description

Signed-off-by: Tetiana Kravchenko <tetiana.kravchenko@elastic.co>

* Update metricbeat/docs/fields.asciidoc

Co-authored-by: Andrew Gizas <andreas.gkizas@elastic.co>

* Update metricbeat/docs/fields.asciidoc

Co-authored-by: Andrew Gizas <andreas.gkizas@elastic.co>

* Update metricbeat/docs/fields.asciidoc

Co-authored-by: Andrew Gizas <andreas.gkizas@elastic.co>

* update fields description

Signed-off-by: Tetiana Kravchenko <tetiana.kravchenko@elastic.co>

---------

Signed-off-by: Tetiana Kravchenko <tetiana.kravchenko@elastic.co>
Co-authored-by: Andrew Gizas <andreas.gkizas@elastic.co>

CHANGELOG.next.asciidoc

@@ -52,6 +52,7 @@ https://github.com/elastic/beats/compare/v8.8.1\...main[Check the HEAD diff]
 
 - Setting period for counter cache for Prometheus remote_write at least to 60sec {pull}38553[38553]
 - Add support of Graphite series 1.1.0+ tagging extension for statsd module. {pull}39619[39619]
+- Remove fallback to the node limit for the `kubernetes.pod.cpu.usage.limit.pct` and `kubernetes.pod.memory.usage.limit.pct` metrics calculation
 
 *Osquerybeat*
 

metricbeat/docs/fields.asciidoc

@@ -45158,7 +45158,7 @@ format: percent
 *`kubernetes.pod.cpu.usage.limit.pct`*::
 +
 --
-CPU usage as a percentage of the defined limit for the pod containers (or total node CPU if one or more containers of the pod are unlimited). If one or more containers of the pod is unlimited and the `node` and `state_node` metricsets are both disabled on that node, this metric will be missing entirely.
+CPU usage as a percentage of the defined cpu limits sum of the pod containers. If any container is missing a limit the metric is not emitted.
 
 
 type: scaled_float
@@ -45196,7 +45196,7 @@ format: percent
 *`kubernetes.pod.memory.usage.limit.pct`*::
 +
 --
-Memory usage as a percentage of the defined limit for the pod containers (or total node allocatable memory if unlimited). If one or more containers of the pod is unlimited and the `node` and `state_node` metricsets are both disabled on that node, this metric will be missing entirely.
+Memory usage as a percentage of the defined memory limits sum of the pod containers. If any container is missing a limit the metric is not emitted.
 
 
 type: scaled_float
@@ -45234,7 +45234,7 @@ format: bytes
 *`kubernetes.pod.memory.working_set.limit.pct`*::
 +
 --
-Working set memory usage as a percentage of the defined limit for the pod containers (or total node allocatable memory if unlimited)
+Working set memory usage as a percentage of the defined limits sum of the pod containers. If any container is missing a limit the metric is not emitted.
 
 
 type: scaled_float