Add "llm-d.ai/subguide" tracking labels for Prefix Cache Offloading (llm-d#1428)

* feat(guides): add llm-d.ai/subguide tracking labels for Prefix Cache Offloading

* feat(guides): add llm-d.ai/subguide tracking label for TPU offloading connector

* feat(guides): rename TPU subguide label to tiered-prefix-cache-tpu

Author: adinilfeld

guides/tiered-prefix-cache/cpu/modelserver/gpu/vllm/lmcache-connector/kustomization.yaml

@@ -3,5 +3,41 @@ kind: Kustomization
 resources:
   - ../base
 
+labels:
+  - pairs:
+      llm-d.ai/subguide: tiered-prefix-cache-cpu-lmcache
+    includeSelectors: true
+    includeTemplates: true
+    fields:
+      - version: v1
+        kind: ServiceAccount
+        path: metadata/labels
+        create: true
+      - group: apps
+        version: v1
+        kind: Deployment
+        path: metadata/labels
+        create: true
+      - group: apps
+        version: v1
+        kind: Deployment
+        path: spec/selector/matchLabels
+        create: true
+      - group: apps
+        version: v1
+        kind: Deployment
+        path: spec/template/metadata/labels
+        create: true
+      - group: monitoring.coreos.com
+        version: v1
+        kind: PodMonitor
+        path: metadata/labels
+        create: true
+      - group: monitoring.coreos.com
+        version: v1
+        kind: PodMonitor
+        path: spec/selector/matchLabels
+        create: true
+
 patches:
   - path: patch-vllm.yaml

guides/tiered-prefix-cache/cpu/modelserver/gpu/vllm/offloading-connector/kustomization.yaml

@@ -3,5 +3,41 @@ kind: Kustomization
 resources:
   - ../base
 
+labels:
+  - pairs:
+      llm-d.ai/subguide: tiered-prefix-cache-cpu-native
+    includeSelectors: true
+    includeTemplates: true
+    fields:
+      - version: v1
+        kind: ServiceAccount
+        path: metadata/labels
+        create: true
+      - group: apps
+        version: v1
+        kind: Deployment
+        path: metadata/labels
+        create: true
+      - group: apps
+        version: v1
+        kind: Deployment
+        path: spec/selector/matchLabels
+        create: true
+      - group: apps
+        version: v1
+        kind: Deployment
+        path: spec/template/metadata/labels
+        create: true
+      - group: monitoring.coreos.com
+        version: v1
+        kind: PodMonitor
+        path: metadata/labels
+        create: true
+      - group: monitoring.coreos.com
+        version: v1
+        kind: PodMonitor
+        path: spec/selector/matchLabels
+        create: true
+
 patches:
   - path: patch-vllm.yaml

guides/tiered-prefix-cache/cpu/modelserver/tpu-v7/vllm/tpu-offloading-connector/kustomization.yaml

@@ -9,8 +9,11 @@ labels:
   - pairs:
       llm-d.ai/model: Qwen3-32B
       llm-d.ai/guide: tiered-prefix-cache
+      llm-d.ai/subguide: tiered-prefix-cache-tpu
       llm-d.ai/accelerator-variant: tpu
       llm-d.ai/accelerator-vendor: google
+    includeSelectors: true
+    includeTemplates: true
     fields:
       - version: v1
         kind: ServiceAccount

guides/tiered-prefix-cache/storage/modelserver/gpu/vllm/llm-d-fs-connector-lustre/kustomization.yaml

@@ -4,5 +4,41 @@ kind: Kustomization
 resources:
   - ../llm-d-fs-connector
 
+labels:
+  - pairs:
+      llm-d.ai/subguide: tiered-prefix-cache-storage-lustre
+    includeSelectors: true
+    includeTemplates: true
+    fields:
+      - version: v1
+        kind: ServiceAccount
+        path: metadata/labels
+        create: true
+      - group: apps
+        version: v1
+        kind: Deployment
+        path: metadata/labels
+        create: true
+      - group: apps
+        version: v1
+        kind: Deployment
+        path: spec/selector/matchLabels
+        create: true
+      - group: apps
+        version: v1
+        kind: Deployment
+        path: spec/template/metadata/labels
+        create: true
+      - group: monitoring.coreos.com
+        version: v1
+        kind: PodMonitor
+        path: metadata/labels
+        create: true
+      - group: monitoring.coreos.com
+        version: v1
+        kind: PodMonitor
+        path: spec/selector/matchLabels
+        create: true
+
 patches:
   - path: patch-vllm.yaml

guides/tiered-prefix-cache/storage/modelserver/gpu/vllm/llm-d-fs-connector/kustomization.yaml

@@ -10,6 +10,7 @@ namePrefix: gpu-vllm-
 labels:
   - pairs:
       llm-d.ai/guide: tiered-prefix-cache-storage
+      llm-d.ai/subguide: tiered-prefix-cache-storage
     includeSelectors: true
     includeTemplates: true
     fields:

guides/tiered-prefix-cache/storage/modelserver/gpu/vllm/lmcache-connector-lustre/kustomization.yaml

@@ -4,5 +4,41 @@ kind: Kustomization
 resources:
   - ../lmcache-connector
 
+labels:
+  - pairs:
+      llm-d.ai/subguide: tiered-prefix-cache-storage-lustre
+    includeSelectors: true
+    includeTemplates: true
+    fields:
+      - version: v1
+        kind: ServiceAccount
+        path: metadata/labels
+        create: true
+      - group: apps
+        version: v1
+        kind: Deployment
+        path: metadata/labels
+        create: true
+      - group: apps
+        version: v1
+        kind: Deployment
+        path: spec/selector/matchLabels
+        create: true
+      - group: apps
+        version: v1
+        kind: Deployment
+        path: spec/template/metadata/labels
+        create: true
+      - group: monitoring.coreos.com
+        version: v1
+        kind: PodMonitor
+        path: metadata/labels
+        create: true
+      - group: monitoring.coreos.com
+        version: v1
+        kind: PodMonitor
+        path: spec/selector/matchLabels
+        create: true
+
 patches:
   - path: patch-vllm.yaml

guides/tiered-prefix-cache/storage/modelserver/gpu/vllm/lmcache-connector/kustomization.yaml

@@ -7,6 +7,7 @@ resources:
 labels:
   - pairs:
       llm-d.ai/guide: tiered-prefix-cache-storage
+      llm-d.ai/subguide: tiered-prefix-cache-storage
     includeSelectors: true
     includeTemplates: true
     fields: