add to metadata.yaml

Signed-off-by: odubajDT <[email protected]>

Author: odubajDT

receiver/k8sclusterreceiver/documentation.md

@@ -396,6 +396,14 @@ metrics:
     enabled: true
 ```
 
+### k8s.node.allocatable
+
+The allocatable metrics of a particular Node.
+
+| Unit | Metric Type | Value Type |
+| ---- | ----------- | ---------- |
+|  | Gauge | Int |
+
 ### k8s.node.condition
 
 The condition of a particular Node.

receiver/k8sclusterreceiver/internal/metadata/generated_config.go

@@ -55,6 +55,8 @@ all_set:
       enabled: true
     k8s.namespace.phase:
       enabled: true
+    k8s.node.allocatable:
+      enabled: true
     k8s.node.condition:
       enabled: true
     k8s.pod.phase:
@@ -220,6 +222,8 @@ none_set:
       enabled: false
     k8s.namespace.phase:
       enabled: false
+    k8s.node.allocatable:
+      enabled: false
     k8s.node.condition:
       enabled: false
     k8s.pod.phase:

receiver/k8sclusterreceiver/internal/metadata/generated_config_test.go

@@ -510,6 +510,12 @@ metrics:
   # k8s.node.condition_* metrics (k8s.node.condition_ready, k8s.node.condition_memory_pressure, etc) are controlled 
   # by node_conditions_to_report config option. By default, only k8s.node.condition_ready is enabled.
 
+  k8s.node.allocatable:
+    enabled: false
+    description: The allocatable metrics of a particular Node.
+    unit: ""
+    gauge:
+      value_type: int
   # k8s.node.allocatable_* metrics (k8s.node.allocatable_cpu, k8s.node.allocatable_memory, etc) are controlled
   # by allocatable_types_to_report config option. By default, none of them are reported.