From b034b64609153959ded6899258df62952d62f8c3 Mon Sep 17 00:00:00 2001
From: Chimbu Chinnadurai <112865563+Chimbu-DoiT@users.noreply.github.com>
Date: Tue, 20 Feb 2024 11:43:05 +0000
Subject: [PATCH] Updated README.md with installation instructions

---
 README.md | 33 +++++++++++++++++++++++++++++----
 1 file changed, 29 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 57c29be..109691e 100644
--- a/README.md
+++ b/README.md
@@ -16,9 +16,9 @@ To generate templates:
 
     helm template doit-eks-lens-helm-chart/doit-eks-lens
 
-To install the doit-eks-lens chart:
+To install the doit-eks-lens chart with its own kube-state-metrics deployment:
 
-    helm install doit-eks-lens doit-eks-lens-helm-chart/doit-eks-lens --set region=<EKS-CLUSTER-REGION> \
+    helm upgrade -install doit-eks-lens doit-eks-lens-helm-chart/doit-eks-lens --set region=<EKS-CLUSTER-REGION> \
         --set metricsDeploymentId=<DEPLOYMENT-ID> \
         --set s3_bucket=<S3-BUCKET-NAME> \
         --set s3_prefix=<S3-BUCKET-PREFIX> \
@@ -28,7 +28,7 @@ To install the doit-eks-lens chart:
 
 Example:
 
-    helm install doit-eks-lens doit-eks-lens-helm-chart/doit-eks-lens --set region=us-east-1 \
+    helm upgrade -install doit-eks-lens doit-eks-lens-helm-chart/doit-eks-lens --set region=us-east-1 \
         --set metricsDeploymentId=2Dw7oXwSkgjwjsXGcSMr \
         --set s3_bucket=doitintl-eks-metrics-410386763839-us-east-1 \
         --set s3_prefix=eks-metrics/410386763839/us-east-1/public \
@@ -36,6 +36,31 @@ Example:
         --namespace doit-eks-metrics \
         --create-namespace
 
+To install the doit-eks-lens chart without kube-state-metrics deployment and use an existing kube-state-metrics in the cluster:
+
+    helm upgrade -install doit-eks-lens doit-eks-lens-helm-chart/doit-eks-lens --set region=<EKS-CLUSTER-REGION> \
+        --set metricsDeploymentId=<DEPLOYMENT-ID> \
+        --set s3_bucket=<S3-BUCKET-NAME> \
+        --set s3_prefix=<S3-BUCKET-PREFIX> \
+        --set role_arn=<IAM-ROLE-ARN> \
+        --set kubeStateMetrics.install=false \
+        --set collector.otelcol.kubeStateMetrics.endpoint=<KUBE-STATE-METRICS-SERVICE-NAME:PORT> \
+        --namespace doit-eks-metrics \
+        --create-namespace
+
+Example:
+
+    helm upgrade -install doit-eks-lens doit-eks-lens-helm-chart/doit-eks-lens --set region=us-west-2 \
+            --set metricsDeploymentId=2Dw7oXwSkgjwjsXGcSMr  \
+            --set s3_bucket=doitintl-eks-metrics-317630533282-us-west-2   \
+            --set s3_prefix=eks-metrics/317630533282/us-west-2/wonderful-sheepdog-1708421720  \
+            --set role_arn=arn:aws:iam::317630533282:role/doit_eks_us-west-2_wonderful-sheepdog-1708421720 \
+            --set kubeStateMetrics.install=false \
+            --set collector.otelcol.kubeStateMetrics.endpoint="kube-state-metrics.kube-system:8080" \
+            --namespace doit-eks-metrics \
+            --create-namespace
+
+
 To uninstall the chart:
 
-    helm delete doit-eks-lens --namespace doit-eks-metrics 
\ No newline at end of file
+    helm delete doit-eks-lens --namespace doit-eks-metrics