[Tanzu Tile] Add host.name resource attribute (#5810)

Author: crobert-1

deployments/cloudfoundry/bosh/DEVELOPMENT.md

@@ -81,6 +81,7 @@ If no configuration file is provided, a template file will be populated using th
 
 Required Properties:
 
+- `cloudfoundry.deployment.hostname`
 - `cloudfoundry.rlp_gateway.endpoint`
 - `cloudfoundry.uaa.endpoint`
 - `cloudfoundry.uaa.password`

deployments/cloudfoundry/bosh/jobs/splunk-otel-collector/spec

@@ -82,6 +82,9 @@ properties:
         description: "The Splunk realm in which your organization resides -- used to derive splunk.ingest_url and splunk.api_url if those are not provided"
         required: false
 
+    cloudfoundry.director.hostname:
+        description: "The hostname of the Cloud Foundry BOSH director"
+
     cloudfoundry.rlp_gateway.endpoint:
         description: "The URL of the RLP Gateway that acts as a proxy for the firehose"
 

deployments/cloudfoundry/bosh/jobs/splunk-otel-collector/templates/otel-collector-config.yaml.erb

@@ -23,8 +23,11 @@ receivers:
         <% end %>
 
 processors:
-  resourcedetection:
-    detectors: [system]
+  resource:
+    attributes:
+    - key: host.name
+      value: <%= p('cloudfoundry.director.hostname') %>
+      action: upsert
 
 exporters:
   signalfx:
@@ -43,6 +46,6 @@ service:
   pipelines:
     metrics:
       receivers: [cloudfoundry]
-      processors: [resourcedetection]
+      processors: [resource]
       exporters: [signalfx]
 <% end %>

deployments/cloudfoundry/tile/tile.yml

@@ -33,6 +33,8 @@ packages:
             release: splunk-otel-collector
         properties:
           cloudfoundry:
+            director:
+              hostname: (( $director.hostname ))
             rlp_gateway:
               endpoint: https://log-stream.(( ..cf.cloud_controller.system_domain.value ))
               shard_id: (( .properties.cloudfoundry_rlp_gateway_shard_id.value ))