[Bounty #524] Google Cloud (GKE) support for sifnode

deploy/gke/deploy_gke.sh

@@ -0,0 +1,193 @@
+#!/usr/bin/env bash
+# =============================================================
+# sifnode GKE Deployment Script
+# =============================================================
+# Usage:
+#   ./deploy_gke.sh create              # Full deployment
+#   ./deploy_gke.sh destroy             # Tear down
+#   ./deploy_gke.sh update              # Update Helm release
+#   ./deploy_gke.sh status              # Check deployment status
+#   ./deploy_gke.sh -p <project> ...    # Specify GCP project
+#   ./deploy_gke.sh -r <region> ...     # Specify region
+# =============================================================
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
+
+# ── Defaults ──────────────────────────────────────────────────
+PROJECT_ID="${GCP_PROJECT_ID:-}"
+REGION="${GCP_REGION:-us-central1}"
+CLUSTER_NAME="${CLUSTER_NAME:-sifnode-gke}"
+NAMESPACE="${NAMESPACE:-sifnode}"
+DEPLOY_ENV="${DEPLOY_ENV:-gke}"
+TERRAFORM_DIR="${PROJECT_DIR}/deploy/terraform/providers/gke"
+HELM_CHART="${PROJECT_DIR}/deploy/helm/sifnode"
+HELM_VALUES="${PROJECT_DIR}/deploy/helm/sifnode/values_gke.yaml"
+
+# ── Colors ────────────────────────────────────────────────────
+RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'
+CYAN='\033[0;36m'; NC='\033[0m'
+info() { echo -e "${CYAN}[INFO]${NC} $1"; }
+ok()   { echo -e "${GREEN}[OK]${NC} $1"; }
+warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
+err()  { echo -e "${RED}[ERROR]${NC} $1"; exit 1; }
+
+# ── Prerequisites Check ──────────────────────────────────────
+check_prereqs() {
+  info "Checking prerequisites..."
+  command -v gcloud >/dev/null 2>&1 || err "gcloud CLI not installed. Install: https://cloud.google.com/sdk/docs/install"
+  command -v terraform >/dev/null 2>&1 || err "Terraform not installed. Install: https://learn.hashicorp.com/tutorials/terraform/install-cli"
+  command -v kubectl >/dev/null 2>&1 || err "kubectl not installed."
+  command -v helm >/dev/null 2>&1 || err "Helm not installed."
+
+  if [[ -z "$PROJECT_ID" ]]; then
+    PROJECT_ID=$(gcloud config get-value project 2>/dev/null || true)
+    if [[ -z "$PROJECT_ID" ]]; then
+      err "GCP project ID not set. Use -p <project> or set GCP_PROJECT_ID env var."
+    fi
+  fi
+  ok "Prerequisites satisfied. Project: ${PROJECT_ID}, Region: ${REGION}"
+}
+
+# ── Terraform ─────────────────────────────────────────────────
+tf_init() {
+  info "Initializing Terraform (GKE)..."
+  cd "$TERRAFORM_DIR"
+  terraform init -upgrade
+  ok "Terraform initialized"
+}
+
+tf_apply() {
+  info "Applying Terraform (GKE)..."
+  cd "$TERRAFORM_DIR"
+  terraform apply -auto-approve \
+    -var="project_id=${PROJECT_ID}" \
+    -var="region=${REGION}" \
+    -var="cluster_name=${CLUSTER_NAME}"
+  ok "Terraform applied successfully"
+}
+
+tf_destroy() {
+  warn "Destroying GKE infrastructure..."
+  cd "$TERRAFORM_DIR"
+  terraform destroy -auto-approve \
+    -var="project_id=${PROJECT_ID}" \
+    -var="region=${REGION}" \
+    -var="cluster_name=${CLUSTER_NAME}"
+  ok "GKE infrastructure destroyed"
+}
+
+# ── Kubernetes Context ───────────────────────────────────────
+setup_kubectl() {
+  info "Configuring kubectl..."
+  gcloud container clusters get-credentials "$CLUSTER_NAME" \
+    --region "$REGION" \
+    --project "$PROJECT_ID"
+  kubectl config set-context --current --namespace="$NAMESPACE" 2>/dev/null || true
+  ok "kubectl configured for cluster: ${CLUSTER_NAME}"
+}
+
+# ── Helm Deployment ───────────────────────────────────────────
+helm_install() {
+  info "Installing/Upgrading sifnode via Helm..."
+  kubectl create namespace "$NAMESPACE" --dry-run=client -o yaml | kubectl apply -f -
+
+  helm upgrade --install sifnode "$HELM_CHART" \
+    --namespace "$NAMESPACE" \
+    --create-namespace \
+    --values "${HELM_VALUES}" \
+    --set provider=gke \
+    --set persistence.storageClass=gke-ssd \
+    --wait \
+    --timeout 15m
+  ok "sifnode deployed to GKE"
+}
+
+helm_uninstall() {
+  info "Uninstalling sifnode Helm release..."
+  helm uninstall sifnode --namespace "$NAMESPACE" 2>/dev/null || true
+  kubectl delete namespace "$NAMESPACE" --ignore-not-found
+  ok "sifnode uninstalled"
+}
+
+# ── Status ────────────────────────────────────────────────────
+check_status() {
+  info "=== GKE Cluster Status ==="
+  gcloud container clusters describe "$CLUSTER_NAME" \
+    --region "$REGION" \
+    --project "$PROJECT_ID" \
+    --format="table(name, location, status, currentMasterVersion, currentNodeVersion, currentNodeCount)"
+
+  info "=== Pod Status ==="
+  kubectl get pods -n "$NAMESPACE" -o wide 2>/dev/null || echo "No pods found"
+
+  info "=== Service Status ==="
+  kubectl get svc -n "$NAMESPACE" 2>/dev/null || echo "No services found"
+
+  info "=== Persistent Volume Claims ==="
+  kubectl get pvc -n "$NAMESPACE" 2>/dev/null || echo "No PVCs found"
+}
+
+# ── CLI Argument Parsing ─────────────────────────────────────
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    -p|--project) PROJECT_ID="$2"; shift 2 ;;
+    -r|--region)  REGION="$2"; shift 2 ;;
+    -c|--cluster) CLUSTER_NAME="$2"; shift 2 ;;
+    create|deploy)
+      check_prereqs
+      tf_init && tf_apply
+      setup_kubectl
+      helm_install
+      check_status
+      info "✅ sifnode deployed to GKE successfully!"
+      info "   Cluster: ${CLUSTER_NAME} (${REGION})"
+      info "   Namespace: ${NAMESPACE}"
+      info "   To check logs: kubectl logs -n ${NAMESPACE} -l app=sifnode"
+      exit 0
+      ;;
+    destroy|teardown)
+      check_prereqs
+      helm_uninstall
+      tf_destroy
+      info "✅ GKE deployment destroyed."
+      exit 0
+      ;;
+    update)
+      check_prereqs
+      setup_kubectl
+      helm_install
+      check_status
+      exit 0
+      ;;
+    status)
+      check_prereqs
+      setup_kubectl
+      check_status
+      exit 0
+      ;;
+    --help|-h)
+      head -20 "$0" | grep "^#"
+      exit 0
+      ;;
+    *) err "Unknown option: $1. Use --help for usage." ;;
+  esac
+done
+
+# Interactive mode: show menu
+echo "sifnode GKE Deployment Script"
+echo "1) Full deployment (create)"
+echo "2) Update only (update)"
+echo "3) Destroy (destroy)"
+echo "4) Status (status)"
+echo "Choose (1-4): "
+read -r choice
+case "$choice" in
+  1) $0 create ;;
+  2) $0 update ;;
+  3) $0 destroy ;;
+  4) $0 status ;;
+  *) err "Invalid choice" ;;
+esac

deploy/helm/sifnode/values.yaml

@@ -0,0 +1,6 @@
+# sifnode Helm Chart Values
+# ── Provider ─────────────────────────────────────────────────
+# Deployment environment: "aws" (default) or "gke"
+provider: aws
+
+

deploy/helm/sifnode/values_gke.yaml

@@ -0,0 +1,50 @@
+# GKE-specific values for sifnode Helm chart
+# Override with: helm install -f values_gke.yaml
+
+# Deployment environment: "gke" or "aws" (default: aws for backward compatibility)
+provider: gke
+
+# GKE-specific persistence configuration
+persistence:
+  enabled: true
+  size: 50Gi
+  accessMode: ReadWriteOnce
+  storageClass: gke-ssd  # Created by GKE Terraform
+
+# GKE node configuration
+nodeSelector:
+  cloud.google.com/gke-nodepool: sifnode-pool
+
+# GKE service configuration  
+service:
+  type: LoadBalancer
+  port: 26656
+  annotations:
+    cloud.google.com/load-balancer-type: Internal  # Change to External if needed
+
+# GKE ingress configuration (optional)
+ingress:
+  enabled: false
+  annotations:
+    kubernetes.io/ingress.class: gce
+
+# GKE IAM workload identity
+serviceAccount:
+  annotations:
+    iam.gke.io/gcp-service-account: ""  # Set to your GCP SA email
+
+# Resource allocation for GKE (e2-standard-2)
+resources:
+  requests:
+    cpu: "500m"
+    memory: "1Gi"
+  limits:
+    cpu: "2"
+    memory: "4Gi"
+
+# GKE autoscaling
+autoscaling:
+  enabled: true
+  minReplicas: 1
+  maxReplicas: 3
+  targetCPUUtilizationPercentage: 80