Added schema validation and notes to README

packs/karpenter-1.0.5/README.md

@@ -1,6 +1,6 @@
 # Karpenter
 
-Karpenter is an open-source node lifecycle management project built for Kubernetes. Adding Karpenter to a Kubernetes cluster can dramatically improve the efficiency and cost of running workloads on that cluster. Karpenter works by:
+Karpenter is an open-source node lifecycle management project built for Kubernetes. Adding Karpenter to a Kubernetes cluster can dramatically improve the efficiency and cost of active workloads in the cluster. Karpenter automatically launches the right compute resources to handle your cluster's applications. Karpenter works by:
 
 * Watching for pods that the Kubernetes scheduler has marked as unschedulable
 * Evaluating scheduling constraints (resource requests, nodeselectors, affinities, tolerations, and topology spread constraints) requested by the pods
@@ -12,6 +12,11 @@ Karpenter is an open-source node lifecycle management project built for Kubernet
 * Minimum Kubernetes Version is 1.25
 * Pack support is for EKS only today.
 * IRSA Roles must be created and used.  Review the following section for additional guidance.
+* AWS Account Number - This is a required value in the pack for annotations of the service account
+
+### Pack Values
+
+Provide your AWS Account Number in the `awsAccountNumber` value of the pack.
 
 ### AWS IAM Roles for Service Accounts (IRSA)
 
@@ -54,6 +59,8 @@ Karpenter uses tags in AWS to discover the resources needed to autoscale.  Palet
 
 ## Usage
 
+Make sure to checkout the [Karpenter Best Practices](https://aws.github.io/aws-eks-best-practices/karpenter/) when using Karpenter.
+
 ### Node Pool
 
 ```yaml

packs/karpenter-1.0.5/schema.yaml

@@ -0,0 +1,2 @@
+awsAccountNumber:
+ schema: '{{ required }}'

packs/karpenter-1.0.5/values.yaml

@@ -4,6 +4,9 @@ pack:
       - image: public.ecr.aws/karpenter/controller:1.0.5
   namespace: karpenter
 
+# Provide your AWS account number below for karpenter annotations.
+awsAccountNumber: ""
+
 charts:
   karpenter:
     # -- Overrides the chart's name.
@@ -27,8 +30,8 @@ charts:
       # If not set and create is true, a name is generated using the fullname template.
       name: ""
       # -- Additional annotations for the ServiceAccount.
-      annotations: {}
-        # "eks.amazonaws.com/role-arn": "arn:aws:iam::<AWS_ACCOUNT_NUMBER>:role/{{.spectro.system.cluster.name}}-karpenterControllerRole"
+      annotations:
+        "eks.amazonaws.com/role-arn": "arn:aws:iam::{{.spectro.pack.karpenter.awsAccountNumber}}:role/{{.spectro.system.cluster.name}}-karpenterControllerRole"
     # -- Specifies additional rules for the core ClusterRole.
     additionalClusterRoleRules: []
     serviceMonitor: