Initial commit: Complete NodeJS-native setup
- Migrated from Python pre-commit to NodeJS-native solution - Reorganized documentation structure - Set up Husky + lint-staged for efficient pre-commit hooks - Fixed Dockerfile healthcheck issue - Added comprehensive documentation index
This commit is contained in:
William Valentin
330
scripts/k8s-deploy-template.sh
Executable file
330
scripts/k8s-deploy-template.sh
Executable file
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#!/usr/bin/env bash
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# 🚀 RxMinder Template-based Kubernetes Deployment Script
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# This script processes template files and applies them to Kubernetes
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set -euo pipefail
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# Script configuration
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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K8S_DIR="$(dirname "$SCRIPT_DIR")/k8s"
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ENV_FILE="$(dirname "$SCRIPT_DIR")/.env"
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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print_status() {
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echo -e "${BLUE}$1${NC}"
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}
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print_success() {
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echo -e "${GREEN}✅ $1${NC}"
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}
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print_warning() {
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echo -e "${YELLOW}⚠️ $1${NC}"
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}
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print_error() {
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echo -e "${RED}❌ $1${NC}"
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}
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# Function to load environment variables
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load_env() {
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if [[ -f "$ENV_FILE" ]]; then
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print_status "Loading environment variables from .env..."
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# Export variables from .env file
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set -a
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source "$ENV_FILE"
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set +a
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print_success "Environment variables loaded"
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else
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print_warning ".env file not found at $ENV_FILE"
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print_warning "Using default values. Copy .env.example to .env and customize."
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fi
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}
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# Function to substitute environment variables in templates
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substitute_template() {
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local template_file="$1"
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local output_file="$2"
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print_status "Processing template: $template_file"
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# Use envsubst to substitute environment variables
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if command -v envsubst >/dev/null 2>&1; then
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envsubst < "$template_file" > "$output_file"
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else
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print_error "envsubst not found. Please install gettext package."
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exit 1
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fi
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print_success "Generated: $output_file"
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}
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# Function to apply Kubernetes resources
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apply_k8s_resource() {
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local resource_file="$1"
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if [[ -f "$resource_file" ]]; then
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print_status "Applying Kubernetes resource: $resource_file"
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if kubectl apply -f "$resource_file"; then
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print_success "Applied: $resource_file"
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else
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print_error "Failed to apply: $resource_file"
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return 1
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fi
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else
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print_warning "Resource file not found: $resource_file"
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fi
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}
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# Function to validate required environment variables
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validate_env() {
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local required_vars=(
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"APP_NAME"
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"DOCKER_IMAGE"
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"COUCHDB_USER"
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"COUCHDB_PASSWORD"
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"INGRESS_HOST"
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"STORAGE_CLASS"
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"STORAGE_SIZE"
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)
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local missing_vars=()
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for var in "${required_vars[@]}"; do
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if [[ -z "${!var:-}" ]]; then
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missing_vars+=("$var")
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fi
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done
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if [[ ${#missing_vars[@]} -gt 0 ]]; then
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print_error "Missing required environment variables:"
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for var in "${missing_vars[@]}"; do
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echo -e " ${RED}- $var${NC}"
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done
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print_warning "Please update your .env file with these variables."
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exit 1
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fi
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print_success "All required environment variables are set"
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}
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# Function to process all templates
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process_templates() {
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local temp_dir="/tmp/rxminder-k8s-$$"
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mkdir -p "$temp_dir"
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print_status "Processing Kubernetes templates..."
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# Find all template files
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local template_files=(
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"$K8S_DIR/couchdb-secret.yaml.template"
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"$K8S_DIR/ingress.yaml.template"
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)
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# Add any additional template files
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for template_file in "$K8S_DIR"/*.template; do
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if [[ -f "$template_file" ]]; then
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template_files+=("$template_file")
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fi
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done
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# Process each template
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for template_file in "${template_files[@]}"; do
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if [[ -f "$template_file" ]]; then
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local base_name
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base_name="$(basename "$template_file" .template)"
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local output_file="$temp_dir/$base_name"
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substitute_template "$template_file" "$output_file"
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fi
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done
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echo "$temp_dir"
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}
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# Function to deploy resources in correct order
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deploy_resources() {
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local resource_dir="$1"
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print_status "Deploying Kubernetes resources..."
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# Deploy in specific order for dependencies
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local deployment_order=(
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"couchdb-secret.yaml"
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"couchdb-pvc.yaml"
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"couchdb-service.yaml"
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"couchdb-statefulset.yaml"
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"configmap.yaml"
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"frontend-deployment.yaml"
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"frontend-service.yaml"
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"ingress.yaml"
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"$K8S_DIR/network-policy.yaml"
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"$K8S_DIR/hpa.yaml"
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)
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for resource in "${deployment_order[@]}"; do
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if [[ "$resource" == *.yaml ]]; then
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# Check if it's a template-generated file
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if [[ -f "$resource_dir/$(basename "$resource")" ]]; then
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apply_k8s_resource "$resource_dir/$(basename "$resource")"
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else
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# Apply directly from k8s directory
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apply_k8s_resource "$resource"
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fi
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fi
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done
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}
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# Function to run database seeding job
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run_db_seed() {
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print_status "Running database seed job..."
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# Apply the db-seed-job (which uses environment variables from secret)
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if kubectl apply -f "$K8S_DIR/db-seed-job.yaml"; then
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print_success "Database seed job submitted"
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# Wait for job completion
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print_status "Waiting for database seed job to complete..."
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if kubectl wait --for=condition=complete --timeout=300s job/db-seed-job; then
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print_success "Database seeding completed successfully"
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else
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print_warning "Database seed job may have failed. Check logs:"
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echo "kubectl logs job/db-seed-job"
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fi
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else
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print_error "Failed to apply database seed job"
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return 1
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fi
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}
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# Function to display deployment status
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show_status() {
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print_status "Deployment Status:"
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echo
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print_status "Pods:"
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kubectl get pods -l app="${APP_NAME:-rxminder}"
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echo
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print_status "Services:"
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kubectl get services -l app="${APP_NAME:-rxminder}"
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echo
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print_status "Ingress:"
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kubectl get ingress
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echo
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if [[ -n "${INGRESS_HOST:-}" ]]; then
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print_success "Application should be available at: http://${INGRESS_HOST}"
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fi
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}
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# Function to cleanup temporary files
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cleanup() {
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if [[ -n "${temp_dir:-}" && -d "$temp_dir" ]]; then
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rm -rf "$temp_dir"
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fi
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}
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# Main deployment function
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main() {
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local command="${1:-deploy}"
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case "$command" in
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"deploy"|"apply")
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print_status "🚀 Starting RxMinder Kubernetes deployment..."
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echo
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# Set default values for required variables
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export APP_NAME="${APP_NAME:-rxminder}"
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export DOCKER_IMAGE="${DOCKER_IMAGE:-gitea-http.taildb3494.ts.net/will/meds:latest}"
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export COUCHDB_USER="${COUCHDB_USER:-admin}"
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export COUCHDB_PASSWORD="${COUCHDB_PASSWORD:-change-this-secure-password}"
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export INGRESS_HOST="${INGRESS_HOST:-rxminder.local}"
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export STORAGE_CLASS="${STORAGE_CLASS:-longhorn}"
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export STORAGE_SIZE="${STORAGE_SIZE:-5Gi}"
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load_env
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validate_env
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# Process templates
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temp_dir=$(process_templates)
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trap cleanup EXIT
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# Deploy resources
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deploy_resources "$temp_dir"
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# Run database seeding
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run_db_seed
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# Show status
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echo
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show_status
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print_success "🎉 RxMinder deployment completed!"
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;;
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"status")
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load_env
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show_status
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;;
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"delete"|"cleanup")
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print_status "🗑️ Cleaning up RxMinder deployment..."
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kubectl delete all,pvc,secret,configmap,ingress -l app="${APP_NAME:-rxminder}" || true
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kubectl delete job db-seed-job || true
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print_success "Cleanup completed"
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;;
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"help"|"-h"|"--help")
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echo "RxMinder Kubernetes Deployment Script"
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echo
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echo "Usage: $0 [command]"
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echo
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echo "Commands:"
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echo " deploy Deploy RxMinder to Kubernetes (default)"
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echo " status Show deployment status"
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echo " delete Delete all RxMinder resources"
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echo " help Show this help message"
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echo
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echo "Environment variables (set in .env):"
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echo " APP_NAME Application name (default: rxminder)"
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echo " DOCKER_IMAGE Container image to deploy"
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echo " COUCHDB_USER Database username (default: admin)"
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echo " COUCHDB_PASSWORD Database password (required)"
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echo " INGRESS_HOST Ingress hostname (required)"
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echo " STORAGE_CLASS Storage class for PVCs (default: longhorn)"
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echo " STORAGE_SIZE Storage size for database (default: 5Gi)"
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;;
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*)
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print_error "Unknown command: $command"
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echo "Use '$0 help' for usage information"
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exit 1
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;;
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esac
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}
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# Check if kubectl is available
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if ! command -v kubectl >/dev/null 2>&1; then
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print_error "kubectl not found. Please install kubectl and configure it to connect to your cluster."
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exit 1
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fi
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# Check if envsubst is available
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if ! command -v envsubst >/dev/null 2>&1; then
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print_error "envsubst not found. Please install the gettext package:"
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echo " Ubuntu/Debian: sudo apt-get install gettext"
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echo " macOS: brew install gettext"
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echo " RHEL/CentOS: sudo yum install gettext"
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exit 1
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fi
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# Run main function
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main "$@"
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