Add new infra architecture 6
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Urtzi Alfaro
260
infrastructure/platform/mail/mailu-helm/scripts/deploy-mailu-prod.sh
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260
infrastructure/platform/mail/mailu-helm/scripts/deploy-mailu-prod.sh
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#!/bin/bash
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# =============================================================================
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# Mailu Production Deployment Script
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# =============================================================================
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# This script automates the deployment of Mailu mail server for production.
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# It handles:
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# 1. Unbound DNS deployment (for DNSSEC validation)
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# 2. CoreDNS configuration (forward to Unbound)
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# 3. TLS certificate secret creation
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# 4. Mailu Helm deployment
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# 5. Admin user creation
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#
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# Usage:
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# ./deploy-mailu-prod.sh [--domain DOMAIN] [--admin-password PASSWORD]
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#
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# Example:
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# ./deploy-mailu-prod.sh --domain bakewise.ai --admin-password 'SecurePass123!'
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# =============================================================================
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set -e
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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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# Default values
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DOMAIN="${DOMAIN:-bakewise.ai}"
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ADMIN_PASSWORD="${ADMIN_PASSWORD:-}"
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NAMESPACE="bakery-ia"
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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MAILU_HELM_DIR="$(dirname "$SCRIPT_DIR")"
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# Parse arguments
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while [[ $# -gt 0 ]]; do
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case $1 in
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--domain)
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DOMAIN="$2"
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shift 2
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;;
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--admin-password)
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ADMIN_PASSWORD="$2"
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shift 2
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;;
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--help)
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echo "Usage: $0 [--domain DOMAIN] [--admin-password PASSWORD]"
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echo ""
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echo "Options:"
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echo " --domain Domain for Mailu (default: bakewise.ai)"
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echo " --admin-password Password for admin@DOMAIN user"
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echo ""
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exit 0
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;;
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*)
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echo -e "${RED}Unknown option: $1${NC}"
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exit 1
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;;
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esac
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done
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print_step() {
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echo -e "\n${BLUE}==>${NC} ${GREEN}$1${NC}"
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}
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print_warning() {
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echo -e "${YELLOW}WARNING:${NC} $1"
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}
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print_error() {
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echo -e "${RED}ERROR:${NC} $1"
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}
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print_success() {
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echo -e "${GREEN}✓${NC} $1"
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}
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# =============================================================================
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# Step 0: Prerequisites Check
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# =============================================================================
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print_step "Step 0: Checking prerequisites..."
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if ! command -v kubectl &> /dev/null; then
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print_error "kubectl not found. Please install kubectl."
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exit 1
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fi
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if ! command -v helm &> /dev/null; then
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print_error "helm not found. Please install helm."
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exit 1
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fi
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if ! kubectl get namespace "$NAMESPACE" &>/dev/null; then
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print_warning "Namespace $NAMESPACE does not exist. Creating..."
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kubectl create namespace "$NAMESPACE"
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fi
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print_success "Prerequisites check passed"
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# =============================================================================
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# Step 1: Deploy Unbound DNS Resolver
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# =============================================================================
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print_step "Step 1: Deploying Unbound DNS resolver..."
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if kubectl get deployment unbound -n "$NAMESPACE" &>/dev/null; then
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print_success "Unbound already deployed"
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else
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helm upgrade --install unbound "$MAILU_HELM_DIR/../../networking/dns/unbound-helm" \
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-n "$NAMESPACE" \
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-f "$MAILU_HELM_DIR/../../networking/dns/unbound-helm/values.yaml" \
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-f "$MAILU_HELM_DIR/../../networking/dns/unbound-helm/prod/values.yaml" \
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--timeout 5m \
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--wait
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print_success "Unbound deployed"
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fi
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# Wait for Unbound to be ready
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kubectl wait --for=condition=ready pod -l app.kubernetes.io/name=unbound -n "$NAMESPACE" --timeout=120s
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# Get Unbound service IP
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UNBOUND_IP=$(kubectl get svc unbound-dns -n "$NAMESPACE" -o jsonpath='{.spec.clusterIP}')
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echo "Unbound DNS service IP: $UNBOUND_IP"
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# =============================================================================
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# Step 2: Configure CoreDNS to Forward to Unbound
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# =============================================================================
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print_step "Step 2: Configuring CoreDNS for DNSSEC validation..."
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# Check current CoreDNS forward configuration
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CURRENT_FORWARD=$(kubectl get configmap coredns -n kube-system -o jsonpath='{.data.Corefile}' | grep -o 'forward \. [0-9.]*' | awk '{print $3}' || echo "")
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if [ "$CURRENT_FORWARD" != "$UNBOUND_IP" ]; then
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echo "Updating CoreDNS to forward to Unbound ($UNBOUND_IP)..."
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kubectl patch configmap coredns -n kube-system --type merge -p "{
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\"data\": {
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\"Corefile\": \".:53 {\\n errors\\n health {\\n lameduck 5s\\n }\\n ready\\n kubernetes cluster.local in-addr.arpa ip6.arpa {\\n pods insecure\\n fallthrough in-addr.arpa ip6.arpa\\n ttl 30\\n }\\n prometheus :9153\\n forward . $UNBOUND_IP {\\n max_concurrent 1000\\n }\\n cache 30 {\\n disable success cluster.local\\n disable denial cluster.local\\n }\\n loop\\n reload\\n loadbalance\\n}\\n\"
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}
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}"
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# Restart CoreDNS
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kubectl rollout restart deployment coredns -n kube-system
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kubectl rollout status deployment coredns -n kube-system --timeout=60s
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print_success "CoreDNS configured to forward to Unbound"
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else
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print_success "CoreDNS already configured for Unbound"
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fi
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# =============================================================================
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# Step 3: Create TLS Certificate Secret
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# =============================================================================
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print_step "Step 3: Creating TLS certificate secret..."
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if kubectl get secret mailu-certificates -n "$NAMESPACE" &>/dev/null; then
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print_success "TLS certificate secret already exists"
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else
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TEMP_DIR=$(mktemp -d)
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cd "$TEMP_DIR"
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openssl req -x509 -nodes -days 365 -newkey rsa:2048 \
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-keyout tls.key -out tls.crt \
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-subj "/CN=mail.$DOMAIN/O=$DOMAIN" 2>/dev/null
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kubectl create secret tls mailu-certificates \
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--cert=tls.crt \
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--key=tls.key \
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-n "$NAMESPACE"
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rm -rf "$TEMP_DIR"
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print_success "TLS certificate secret created"
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fi
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# =============================================================================
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# Step 4: Deploy Mailu via Helm
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# =============================================================================
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print_step "Step 4: Deploying Mailu via Helm..."
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# Add Mailu Helm repository
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helm repo add mailu https://mailu.github.io/helm-charts 2>/dev/null || true
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helm repo update mailu
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# Deploy Mailu
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helm upgrade --install mailu mailu/mailu \
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-n "$NAMESPACE" \
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-f "$MAILU_HELM_DIR/values.yaml" \
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-f "$MAILU_HELM_DIR/prod/values.yaml" \
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--timeout 10m
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print_success "Mailu Helm release deployed"
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# =============================================================================
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# Step 5: Wait for Pods to be Ready
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# =============================================================================
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print_step "Step 5: Waiting for Mailu pods to be ready..."
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echo "This may take 5-10 minutes (ClamAV takes time to initialize)..."
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# Wait for admin pod first (it's the key dependency)
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kubectl wait --for=condition=ready pod -l app.kubernetes.io/component=admin -n "$NAMESPACE" --timeout=300s || {
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print_error "Admin pod failed to start. Checking logs..."
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kubectl logs -n "$NAMESPACE" -l app.kubernetes.io/component=admin --tail=50
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exit 1
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}
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print_success "Admin pod is ready"
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# Show pod status
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echo ""
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echo "Mailu Pod Status:"
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kubectl get pods -n "$NAMESPACE" | grep mailu
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# =============================================================================
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# Step 6: Create Admin User
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# =============================================================================
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print_step "Step 6: Creating admin user..."
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if [ -z "$ADMIN_PASSWORD" ]; then
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# Generate a random password
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ADMIN_PASSWORD=$(openssl rand -base64 16 | tr -d '/+=' | head -c 16)
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echo -e "${YELLOW}Generated admin password: $ADMIN_PASSWORD${NC}"
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echo -e "${YELLOW}Please save this password securely!${NC}"
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fi
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kubectl exec -n "$NAMESPACE" deployment/mailu-admin -- \
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flask mailu admin admin "$DOMAIN" "$ADMIN_PASSWORD" 2>/dev/null || {
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print_warning "Admin user may already exist or failed to create"
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}
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print_success "Admin user configured"
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# =============================================================================
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# Summary
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# =============================================================================
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echo ""
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echo "=============================================="
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echo -e "${GREEN}Mailu Deployment Complete!${NC}"
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echo "=============================================="
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echo ""
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echo "Admin Credentials:"
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echo " Email: admin@$DOMAIN"
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echo " Password: $ADMIN_PASSWORD"
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echo ""
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echo "Access URLs (configure Ingress/DNS first):"
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echo " Admin Panel: https://mail.$DOMAIN/admin"
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echo " Webmail: https://mail.$DOMAIN/webmail"
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echo " SMTP: mail.$DOMAIN:587 (STARTTLS)"
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echo " IMAP: mail.$DOMAIN:993 (SSL)"
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echo ""
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echo "Next Steps:"
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echo " 1. Configure DNS records (A, MX, SPF, DMARC)"
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echo " 2. Get DKIM key: kubectl exec -n $NAMESPACE deployment/mailu-admin -- cat /dkim/$DOMAIN.dkim.pub"
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echo " 3. Add DKIM TXT record to DNS"
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echo " 4. Configure Ingress for mail.$DOMAIN"
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echo ""
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echo "To check pod status:"
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echo " kubectl get pods -n $NAMESPACE | grep mailu"
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echo ""
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