Add script to setup cluster with ingress controller and cert-manager

starship/scripts/cluster-setup.sh

@@ -0,0 +1,74 @@
+#!/bin/bash
+
+set -euo pipefail
+
+# Function to print colored messages
+function color() {
+  local color=$1
+  shift
+  local black=30 red=31 green=32 yellow=33 blue=34 magenta=35 cyan=36 white=37
+  local color_code=${!color:-$green}
+  printf "\033[%sm%s\033[0m\n" "$color_code" "$*"
+}
+
+# Function to check if a namespace exists
+namespace_exists() {
+    kubectl get namespace "$1" &> /dev/null
+}
+
+# Function to check if a Helm release exists
+release_exists() {
+    helm list --namespace "$1" -q | grep -w "$2" &> /dev/null
+}
+
+# Function to check if cert-manager is installed
+cert_manager_installed() {
+    kubectl get pods --namespace cert-manager &> /dev/null
+}
+
+# Function to install and setup ingress
+setup_ingress() {
+    if release_exists ingress nginx-ingress; then
+        color yellow "Ingress is already installed. Skipping ingress setup."
+    else
+        color blue "Setting up ingress..."
+        helm repo add ingress-nginx https://kubernetes.github.io/ingress-nginx
+        helm repo update
+        helm install nginx-ingress ingress-nginx/ingress-nginx --namespace ingress --create-namespace
+        color green "Ingress setup completed."
+    fi
+}
+
+# Function to install cert-manager
+setup_cert_manager() {
+    if cert_manager_installed; then
+        color yellow "Cert-manager is already installed. Skipping cert-manager setup."
+    else
+        color blue "Setting up cert-manager..."
+        kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/v1.15.2/cert-manager.yaml
+        color green "Cert-manager setup completed."
+    fi
+}
+
+# Main function to orchestrate setup
+main() {
+    color blue "Starting cluster setup..."
+
+    # Setup ingress
+    if namespace_exists ingress && release_exists ingress nginx-ingress; then
+        color yellow "Ingress is already installed. Skipping ingress setup."
+    else
+        setup_ingress
+    fi
+
+    # Setup cert-manager
+    if cert_manager_installed; then
+        color yellow "Cert-manager is already installed. Skipping cert-manager setup."
+    else
+        setup_cert_manager
+    fi
+
+    color green "Cluster setup completed successfully."
+}
+
+main "$@"