From 9b0f4865d29f9a8bd7b08716dc963674057d9643 Mon Sep 17 00:00:00 2001
From: David Gerchikov <dgerchikov@aerospike.com>
Date: Tue, 3 Dec 2024 16:32:51 +0200
Subject: [PATCH] Create uninstall-eks.sh

---
 kubernetes/uninstall-eks.sh | 152 ++++++++++++++++++++++++++++++++++++
 1 file changed, 152 insertions(+)
 create mode 100755 kubernetes/uninstall-eks.sh

diff --git a/kubernetes/uninstall-eks.sh b/kubernetes/uninstall-eks.sh
new file mode 100755
index 0000000..1eb2970
--- /dev/null
+++ b/kubernetes/uninstall-eks.sh
@@ -0,0 +1,152 @@
+#!/bin/bash
+export AWS_SDK_LOAD_CONFIG=1
+printenv
+# This script sets up a EKS cluster with configurations for Aerospike and AVS node pools.
+# It handles the creation of the EKS cluster, the use of AKO (Aerospike Kubernetes Operator) to deploy an Aerospike cluster,
+# deploys the AVS cluster, and the deployment of necessary operators, configurations, node pools, and monitoring.
+
+set -eo pipefail
+if [ -n "$DEBUG" ]; then set -x; fi
+trap 'echo "Error: $? at line $LINENO" >&2' ERR
+
+WORKSPACE="$(pwd)"
+# Prepend the current username to the cluster name
+USERNAME=$(whoami)
+PROFILE="default"
+
+# Default values
+DEFAULT_CLUSTER_NAME_SUFFIX="avs"
+
+# Function to print environment variables for verification
+print_env() {
+    echo "Environment Variables:"
+    echo "export CLUSTER_NAME=$CLUSTER_NAME"
+    echo "export NODE_POOL_NAME_AEROSPIKE=$NODE_POOL_NAME_AEROSPIKE"
+    echo "export NODE_POOL_NAME_AVS=$NODE_POOL_NAME_AVS"
+    echo "export REGION=$REGION"
+    echo "export FEATURES_CONF=$FEATURES_CONF"
+    echo "export CHART_LOCATION=$CHART_LOCATION"
+    echo "export RUN_INSECURE=$RUN_INSECURE"
+}
+
+set_env_variables() {
+
+    # Use provided cluster name or fallback to the default
+    if [ -n "$CLUSTER_NAME_OVERRIDE" ]; then
+        export CLUSTER_NAME="${USERNAME}-${CLUSTER_NAME_OVERRIDE}"
+    else
+        export CLUSTER_NAME="${USERNAME}-eks-${DEFAULT_CLUSTER_NAME_SUFFIX}"
+    fi
+
+    export NODE_POOL_NAME_AEROSPIKE="aerospike-pool"
+    export NODE_POOL_NAME_AVS="avs-pool"
+    export REGION="us-east-1"
+    export FEATURES_CONF="$WORKSPACE/features.conf"
+    export BUILD_DIR="$WORKSPACE/generated"
+    export REVERSE_DNS_AVS
+}
+
+destroy_monitoring() {
+    echo "Removing monitoring setup..."
+    kubectl delete -f manifests/monitoring/avs-servicemonitor.yaml
+    kubectl delete -f manifests/monitoring/aerospike-servicemonitor.yaml
+    kubectl delete -f manifests/monitoring/aerospike-exporter-service.yaml
+
+    echo "Uninstalling monitoring stack..."
+    helm uninstall monitoring-stack --namespace monitoring
+    kubectl delete namespace monitoring
+    helm repo remove prometheus-community
+}
+
+destroy_avs_helm_chart() {
+    echo "Destroying AVS Helm chart..."
+    helm uninstall avs-app --namespace avs
+    helm repo remove aerospike-helm
+}
+
+destroy_istio() {
+    echo "Destroying Istio setup..."
+
+    kubectl delete -f manifests/istio/avs-virtual-service.yaml
+    kubectl delete -f manifests/istio/gateway.yaml
+
+    helm uninstall istio-ingress --namespace istio-ingress
+    helm uninstall istiod --namespace istio-system
+    helm uninstall istio-base --namespace istio-system
+
+    kubectl delete namespace istio-ingress
+    kubectl delete namespace istio-system
+
+    helm repo remove istio
+}
+
+destroy_avs() {
+    echo "Destroying AVS secrets..."
+
+    kubectl delete secret auth-secret --namespace avs
+    kubectl delete secret aerospike-tls --namespace avs
+    kubectl delete secret aerospike-secret --namespace avs
+    kubectl delete namespace avs
+}
+
+destroy_aerospike() {
+    echo "Destroying Aerospike setup..."
+
+    kubectl delete -f $BUILD_DIR/manifests/aerospike-cr.yaml
+
+    kubectl delete -f https://raw.githubusercontent.com/aerospike/aerospike-kubernetes-operator/refs/heads/master/config/samples/storage/eks_ssd_storage_class.yaml
+
+    kubectl delete secret aerospike-secret --namespace aerospike
+    kubectl delete secret auth-secret --namespace aerospike
+    kubectl delete secret aerospike-tls --namespace aerospike
+
+    kubectl delete serviceaccount aerospike-operator-controller-manager --namespace aerospike
+    kubectl delete clusterrolebinding aerospike-cluster
+
+    kubectl delete -f https://operatorhub.io/install/aerospike-kubernetes-operator.yaml
+
+    kubectl delete namespace aerospike
+}
+
+destroy_eks_cluster() {
+    echo "EKS cluster destruction..."
+
+    eksctl delete nodegroup \
+        --cluster "$CLUSTER_NAME" \
+        --name "$NODE_POOL_NAME_AVS" \
+        --region "$REGION" \
+        --profile "$PROFILE" \
+        --disable-eviction
+
+    eksctl delete nodegroup \
+        --cluster "$CLUSTER_NAME" \
+        --name "$NODE_POOL_NAME_AEROSPIKE" \
+        --region "$REGION" \
+        --profile "$PROFILE" \
+        --disable-eviction
+
+   eksctl delete addon \
+        --name aws-ebs-csi-driver \
+        --cluster "$CLUSTER_NAME" \
+        --region "$REGION" \
+        --profile "$PROFILE"
+
+    eksctl delete cluster \
+        --name "$CLUSTER_NAME" \
+        --region "$REGION" \
+        --profile "$PROFILE" \
+        --disable-nodegroup-eviction
+}
+
+main() {
+    set_env_variables
+    print_env
+    destroy_monitoring
+    destroy_avs_helm_chart
+    destroy_istio
+    destroy_avs
+    destroy_aerospike
+    destroy_eks_cluster
+}
+
+main
\ No newline at end of file