Deploy Lambda Pet Clinic in EKS CDK (#149)

*Issue #, if available:*
Some of the metrics used by SLO stack in EKS CDK is generated from the
lambda pet clinic. In order for the SLO stack to be deployed
successfully, the lambda pet clinic is a pre-requisite
*Description of changes:*
Deploy the lambda pet clinic cdk before deploying EKS stacks.


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Author: harrryr

cdk/eks/eks-cdk.sh

@@ -58,6 +58,16 @@ fi
 
 # Deploy or destroy all stacks in the app
 if [[ "$ACTION" == "deploy" ]]; then
+  # The SLO stack requires metrics from lambda pet clinic.
+  cd ../../lambda-petclinic/cdk
+  if ./deploy.sh; then
+    echo "Lambda pet clinic was deployed successfully"
+  else
+    echo "Lambda pet clinic deployment failed"
+    ./destroy.sh
+    exit 1
+  fi
+  cd ../../cdk/eks
 
   # update vets service config to use the otlp collector when use-otlp is true
   MANIFEST_FILE="./lib/manifests/sample-app/vets-service-deployment.yaml"
@@ -104,9 +114,13 @@ if [[ "$ACTION" == "deploy" ]]; then
     exit 1
   fi
 elif [[ "$ACTION" == "destroy" ]]; then
-  echo "Starting CDK destroy for all stacks in the app"
+  echo "Starting CDK destroy for all stacks in the eks app"
   cdk destroy  --context enableSlo=True --all --force --verbose
-  echo "Destroy complete for all stacks in the app"
+  echo "Destroy complete for all stacks in the eks app"
+  echo "Starting CDK destroy for all stacks in the lambda app"
+  cd ../../lambda-petclinic/cdk
+  ./destroy.sh
+  echo "Destroy complete for all stacks in the lambda app"
 else
   echo "Invalid action: $ACTION. Please use 'synth', 'deploy', or 'destroy'."
   exit 1