Add k8s.volume.{name,type} attributes (#1251)

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

.chloggen/add_k8s_volume_type.yaml

@@ -0,0 +1,22 @@
+# Use this changelog template to create an entry for release notes.
+#
+# If your change doesn't affect end users you should instead start
+# your pull request title with [chore] or use the "Skip Changelog" label.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the area of concern in the attributes-registry, (e.g. http, cloud, db)
+component: k8s
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Adds `k8s.volume.name` and `k8s.volume.type` attributes to the registry
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+# The values here must be integers.
+issues: [1164]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:

docs/attributes-registry/k8s.md

@@ -39,6 +39,8 @@ Kubernetes resource attributes.
 | `k8s.replicaset.uid`                          | string | The UID of the ReplicaSet.                                                                                                                                       | `275ecb36-5aa8-4c2a-9c47-d8bb681b9aff`                                                                                                    | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
 | `k8s.statefulset.name`                        | string | The name of the StatefulSet.                                                                                                                                     | `opentelemetry`                                                                                                                           | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
 | `k8s.statefulset.uid`                         | string | The UID of the StatefulSet.                                                                                                                                      | `275ecb36-5aa8-4c2a-9c47-d8bb681b9aff`                                                                                                    | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
+| `k8s.volume.name`                             | string | The name of the K8s volume.                                                                                                                                      | `volume0`                                                                                                                                 | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
+| `k8s.volume.type`                             | string | The type of the K8s volume.                                                                                                                                      | `emptyDir`; `persistentVolumeClaim`                                                                                                       | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
 
 **[1]:** K8s doesn't have support for obtaining a cluster ID. If this is ever
 added, we will recommend collecting the `k8s.cluster.uid` through the
@@ -63,6 +65,17 @@ Which states:
 Therefore, UIDs between clusters should be extremely unlikely to
 conflict.
 
+`k8s.volume.type` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used.
+
+| Value                   | Description                                                                                                             | Stability                                                        |
+| ----------------------- | ----------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------- |
+| `configMap`             | A [configMap](https://v1-29.docs.kubernetes.io/docs/concepts/storage/volumes/#configmap) volume                         | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
+| `downwardAPI`           | A [downwardAPI](https://v1-29.docs.kubernetes.io/docs/concepts/storage/volumes/#downwardapi) volume                     | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
+| `emptyDir`              | An [emptyDir](https://v1-29.docs.kubernetes.io/docs/concepts/storage/volumes/#emptydir) volume                          | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
+| `local`                 | A [local](https://v1-29.docs.kubernetes.io/docs/concepts/storage/volumes/#local) volume                                 | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
+| `persistentVolumeClaim` | A [persistentVolumeClaim](https://v1-29.docs.kubernetes.io/docs/concepts/storage/volumes/#persistentvolumeclaim) volume | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
+| `secret`                | A [secret](https://v1-29.docs.kubernetes.io/docs/concepts/storage/volumes/#secret) volume                               | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
+
 ## Deprecated Kubernetes Attributes
 
 Describes deprecated k8s attributes.

model/registry/k8s.yaml

@@ -177,3 +177,40 @@ groups:
         brief: >
           The name of the CronJob.
         examples: ['opentelemetry']
+      - id: k8s.volume.name
+        type: string
+        stability: experimental
+        brief: >
+          The name of the K8s volume.
+        examples: [ 'volume0' ]
+      - id: k8s.volume.type
+        stability: experimental
+        brief: >
+          The type of the K8s volume.
+        examples: [ "emptyDir", "persistentVolumeClaim" ]
+        type:
+          members:
+            - id: persistent_volume_claim
+              value: 'persistentVolumeClaim'
+              brief: "A [persistentVolumeClaim](https://v1-29.docs.kubernetes.io/docs/concepts/storage/volumes/#persistentvolumeclaim) volume"
+              stability: experimental
+            - id: config_map
+              value: 'configMap'
+              brief: "A [configMap](https://v1-29.docs.kubernetes.io/docs/concepts/storage/volumes/#configmap) volume"
+              stability: experimental
+            - id: downward_api
+              value: 'downwardAPI'
+              brief: "A [downwardAPI](https://v1-29.docs.kubernetes.io/docs/concepts/storage/volumes/#downwardapi) volume"
+              stability: experimental
+            - id: empty_dir
+              value: 'emptyDir'
+              brief: "An [emptyDir](https://v1-29.docs.kubernetes.io/docs/concepts/storage/volumes/#emptydir) volume"
+              stability: experimental
+            - id: secret
+              value: 'secret'
+              brief: "A [secret](https://v1-29.docs.kubernetes.io/docs/concepts/storage/volumes/#secret) volume"
+              stability: experimental
+            - id: local
+              value: 'local'
+              brief: "A [local](https://v1-29.docs.kubernetes.io/docs/concepts/storage/volumes/#local) volume"
+              stability: experimental