From fd02f6bd3add547befb38e946dcdf316746a7161 Mon Sep 17 00:00:00 2001
From: Soumya Bavirisetti <54733882+soumyabavirisetti@users.noreply.github.com>
Date: Mon, 3 Feb 2025 16:57:58 +0530
Subject: [PATCH] Update prometheus-eks.yaml

cluster_name and region_name not specified in the yaml. So if customers use this yaml, they'll face the below error :

~~~~
2025/02/03 11:00:06 E! Failed to generate TOML configuration validation content: [Under path : /agent/ruleRegion/ | Error : Region info is missing for mode: onPrem Under path : /logs/metrics_collected/prometheus/ | Error : ClusterName is not defined]
2025/02/03 11:00:06 Under path : /agent/ruleRegion/ | Error : Region info is missing for mode: onPrem
2025/02/03 11:00:06 Under path : /logs/metrics_collected/prometheus/ | Error : ClusterName is not defined
~~~~
---
 .../service/cwagent-prometheus/prometheus-eks.yaml           | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/k8s-deployment-manifest-templates/deployment-mode/service/cwagent-prometheus/prometheus-eks.yaml b/k8s-deployment-manifest-templates/deployment-mode/service/cwagent-prometheus/prometheus-eks.yaml
index dce602d..e747b49 100644
--- a/k8s-deployment-manifest-templates/deployment-mode/service/cwagent-prometheus/prometheus-eks.yaml
+++ b/k8s-deployment-manifest-templates/deployment-mode/service/cwagent-prometheus/prometheus-eks.yaml
@@ -13,9 +13,14 @@ data:
   # cwagent json config
   cwagentconfig.json: |
     {
+      "agent": {
+        "region": "{{region_name}}"
+      },
       "logs": {
         "metrics_collected": {
           "prometheus": {
+            "cluster_name": "{{cluster_name}}",
+            "log_group_name": "/aws/containerinsights/{{cluster_name}}/prometheus",
             "prometheus_config_path": "/etc/prometheusconfig/prometheus.yaml",
             "emf_processor": {
               "metric_declaration": [