146 lines
3.4 KiB
Bash
Executable File
146 lines
3.4 KiB
Bash
Executable File
#!/bin/bash
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# Script to help migrate projects to shared Kubernetes cluster
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set -e
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# Load shared libraries
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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source "$SCRIPT_DIR/../lib/init.sh"
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PROJECT_NAME="${1:-}"
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if [ -z "$PROJECT_NAME" ]; then
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log_heading "☸️ Kubernetes Migration Helper"
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echo ""
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echo "Usage: $0 <project-name>"
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echo ""
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echo "This script helps migrate a project to the shared Kubernetes cluster."
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echo ""
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exit 1
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fi
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# Validate input
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validate_project_name "$PROJECT_NAME"
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NAMESPACE="${PROJECT_NAME}"
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log_heading "☸️ Migrating $PROJECT_NAME to shared Kubernetes cluster..."
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# Create namespace using Terraform module or kubectl
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echo "📦 Creating namespace: $NAMESPACE"
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cat > "/tmp/${PROJECT_NAME}-namespace.yaml" << EOF
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apiVersion: v1
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kind: Namespace
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metadata:
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name: ${NAMESPACE}
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labels:
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app: ${PROJECT_NAME}
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managed: terraform
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spec: {}
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EOF
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# Create basic deployment template
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cat > "/tmp/${PROJECT_NAME}-deployment.yaml" << EOF
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: ${PROJECT_NAME}
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namespace: ${NAMESPACE}
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spec:
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replicas: 2
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selector:
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matchLabels:
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app: ${PROJECT_NAME}
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template:
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metadata:
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labels:
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app: ${PROJECT_NAME}
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spec:
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containers:
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- name: ${PROJECT_NAME}
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image: ${PROJECT_NAME}:latest
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ports:
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- containerPort: 8080
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name: http
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resources:
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requests:
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memory: "256Mi"
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cpu: "100m"
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limits:
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memory: "512Mi"
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cpu: "500m"
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livenessProbe:
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httpGet:
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path: /health
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port: 8080
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initialDelaySeconds: 30
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periodSeconds: 10
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readinessProbe:
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httpGet:
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path: /ready
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port: 8080
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initialDelaySeconds: 5
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periodSeconds: 5
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EOF
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# Create service template
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cat > "/tmp/${PROJECT_NAME}-service.yaml" << EOF
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apiVersion: v1
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kind: Service
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metadata:
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name: ${PROJECT_NAME}
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namespace: ${NAMESPACE}
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spec:
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selector:
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app: ${PROJECT_NAME}
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ports:
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- port: 80
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targetPort: 8080
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protocol: TCP
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name: http
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EOF
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# Create ingress template
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cat > "/tmp/${PROJECT_NAME}-ingress.yaml" << EOF
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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name: ${PROJECT_NAME}
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namespace: ${NAMESPACE}
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annotations:
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kubernetes.io/ingress.class: nginx
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cert-manager.io/cluster-issuer: letsencrypt-prod
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spec:
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tls:
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- hosts:
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- ${PROJECT_NAME}.example.com
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secretName: ${PROJECT_NAME}-tls
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rules:
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- host: ${PROJECT_NAME}.example.com
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http:
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paths:
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- path: /
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pathType: Prefix
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backend:
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service:
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name: ${PROJECT_NAME}
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port:
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number: 80
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EOF
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log_success "Created migration templates:"
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log_info " - /tmp/${PROJECT_NAME}-namespace.yaml"
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log_info " - /tmp/${PROJECT_NAME}-deployment.yaml"
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log_info " - /tmp/${PROJECT_NAME}-service.yaml"
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log_info " - /tmp/${PROJECT_NAME}-ingress.yaml"
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echo ""
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log_step "Next steps:"
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log_info " 1. Review and customize templates"
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log_info " 2. Update image name and configuration"
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log_info " 3. Apply resources:"
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log_info " kubectl apply -f /tmp/${PROJECT_NAME}-*.yaml"
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echo ""
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log_info "📖 See docs/K8S_MIGRATION_GUIDE.md for detailed instructions"
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