Create a GKE Standard Regional Cluster (High Availability)

create-gke-standard-regional-cluster.sh

#!/bin/sh
set -e  # Stop the script if any command fails

# Get the currently configured GCP Project ID
PROJECT_ID=$(gcloud config get-value project --quiet)

# Validate that a project is set
if [ -z "$PROJECT_ID" ]; then
  echo "❌ ERROR: No project is configured in gcloud."
  echo "Run: gcloud config set project <PROJECT_ID>"
  exit 1
fi

# Define region and cluster name
REGION="us-central1"
CLUSTER_NAME="standard-regional-cluster"

echo "🔹 Active project: $PROJECT_ID"
echo "🔹 Region: $REGION"
echo "🔹 Cluster name: $CLUSTER_NAME"

# Enable required APIs for GKE Autopilot
echo "🔧 Enabling required APIs..."
gcloud services enable \
  container.googleapis.com \
  compute.googleapis.com \
  --project "$PROJECT_ID"

# Create the GKE Standard Regional Cluster
echo "🚀 Creating GKE Standard Regional Cluster..."
gcloud container clusters create "$CLUSTER_NAME" \
  --region "$REGION" \
  --num-nodes 1 \
  --machine-type e2-medium \
  --project "$PROJECT_ID"

# Fetch kubeconfig credentials for kubectl
echo "🔐 Fetching cluster credentials..."
gcloud container clusters get-credentials "$CLUSTER_NAME" \
  --region "$REGION" \
  --project "$PROJECT_ID"

echo "✅ Standard Regional Cluster created successfully!"
echo "Run: kubectl get nodes"

delete-gke-standard-regional-cluster.sh

#!/bin/sh
set -e  # Stop the script if any command fails

# Get the currently configured GCP Project ID
PROJECT_ID=$(gcloud config get-value project --quiet)

# Validate that a project is set
if [ -z "$PROJECT_ID" ]; then
  echo "❌ ERROR: No project is configured in gcloud."
  echo "Run: gcloud config set project <PROJECT_ID>"
  exit 1
fi

# Define zone and cluster name
REGION="us-central1"
CLUSTER_NAME="standard-regional-cluster"
CTX="gke_${PROJECT_ID}_${REGION}_${CLUSTER_NAME}"

echo "🔹 Active project: $PROJECT_ID"
echo "🔹 Region: $REGION"
echo "🔹 Cluster name: $CLUSTER_NAME"

# Delete the GKE Standard Regional Cluster if it exists
if gcloud container clusters list --region "$REGION" --project "$PROJECT_ID" | grep -q "$CLUSTER_NAME"; then
  echo "🚀 Deleting GKE Standard Regional Cluster..."
  gcloud container clusters delete "$CLUSTER_NAME" \
    --region "$REGION" \
    --project "$PROJECT_ID" \
    --quiet
else
  echo "⚠️ Cluster '$CLUSTER_NAME' does not exist—skipping GKE delete."
fi

echo "🧹 Cleaning kubeconfig entries..."
kubectl config delete-cluster "$CTX" 2>/dev/null || true
kubectl config delete-context "$CTX" 2>/dev/null || true
kubectl config delete-user "$CTX" 2>/dev/null || true

echo "✅ Cluster '$CLUSTER_NAME' deleted and kubeconfig cleaned successfully."

gke-standard-regional-cluster..text

PROJECT_ID=$(gcloud config get-value project)
REGION="us-central1"
CLUSTER_NAME="standard-regional-cluster"

gcloud services enable \
  container.googleapis.com \
  compute.googleapis.com \
  --project "$PROJECT_ID"

gcloud container clusters create "$CLUSTER_NAME" \
  --region "$REGION" \
  --num-nodes 1 \
  --machine-type e2-medium \
  --project "$PROJECT_ID"

gcloud container clusters get-credentials "$CLUSTER_NAME" \
  --region "$REGION" \
  --project "$PROJECT_ID"
  
gcloud container clusters delete "$CLUSTER_NAME" \
  --region "$REGION" \
  --project "$PROJECT_ID" \
  --quiet
  
CTX="gke_${PROJECT_ID}_${REGION}_${CLUSTER_NAME}"

kubectl config delete-cluster "$CTX"
kubectl config delete-context "$CTX"
kubectl config delete-user "$CTX"