Adding support for index name

Author: rcastley

workshop/otel-contrib-splunk-demo/README.md

@@ -28,7 +28,7 @@ helm delete splunk-otel-collector
 cd ~/workshop/otel-contrib-splunk-demo
 ```
 
-Edit `k8s_manifests/configmap-and-secrets.yaml` and configure `REALM`, `splunk_hec_url`, `k8s_cluster_name`, `deployment_environment`, `splunk_observability_access_token` and `splunk_hec_token`.
+Edit `k8s_manifests/configmap-and-secrets.yaml` and configure `REALM`, `splunk_hec_url`, `splunk_index`, `k8s_cluster_name`, `deployment_environment`, `splunk_observability_access_token` and `splunk_hec_token`.
 
 ``` bash
 kubectl apply -f k8s_manifests/

workshop/otel-contrib-splunk-demo/k8s_manifests/configmap-agent.yaml

@@ -35,7 +35,7 @@ data:
         disable_compression: true
         endpoint: ${SPLUNK_HEC_URL}
         idle_conn_timeout: 10s
-        index: o11y-demo-eu
+        index: ${SPLUNK_INDEX}
         max_idle_conns: 200
         max_idle_conns_per_host: 200
         profiling_data_enabled: false

workshop/otel-contrib-splunk-demo/k8s_manifests/configmap-and-secrets.yaml

@@ -8,6 +8,7 @@ data:
   splunk_api_url: "https://api.[REALM].signalfx.com"
   splunk_ingest_url: "https://ingest.[REALM].signalfx.com"
   splunk_hec_url: "https://[HEC_URL]:[HEC_PORT]/services/collector/event"
+  splunk_index: "[INDEX]"
   k8s_cluster_name: "[CLUSTER_NAME]"
   deployment_environment: "[ENVIRONMENT]"
 ---

workshop/otel-contrib-splunk-demo/k8s_manifests/daemonset.yaml

@@ -132,6 +132,11 @@ spec:
               secretKeyRef:
                 name: default-otel-collector
                 key: splunk_hec_token
+          - name: SPLUNK_INDEX
+            valueFrom:
+              configMapKeyRef:
+                name: otel-configmap
+                key: splunk_index
         readinessProbe:
           httpGet:
             path: /