{ "id": "7p3d4ltVk0ICrNbX", "meta": { "templateCredsSetupCompleted": true }, "name": "Automate Full DevOps Infrastructure Setup on Linux Server in Just 10 Seconds", "tags": [], "nodes": [ { "id": "a0973093-3fba-485a-8100-ae3e54c9dc5f", "name": "Start DevOps Setup", "type": "n8n-nodes-base.manualTrigger", "position": [ 0, 0 ], "parameters": {}, "typeVersion": 1 }, { "id": "83e1e3a0-ef2f-45d7-bf73-a37f430ca622", "name": "Configure Parameters", "type": "n8n-nodes-base.set", "position": [ 220, 0 ], "parameters": { "values": { "string": [ { "name": "server_host", "value": "={{ $json.server_host || '192.168.1.100' }}" }, { "name": "server_user", "value": "{{ $json.server_user || 'root' }}" }, { "name": "server_password", "value": "{{ $json.server_password || 'your_password' }}" }, { "name": "docker_version", "value": "{{ $json.docker_version || 'latest' }}" }, { "name": "k8s_version", "value": "{{ $json.k8s_version || '1.28' }}" }, { "name": "devops_user", "value": "{{ $json.devops_user || 'devops' }}" }, { "name": "user_password", "value": "{{ $json.user_password || 'devops123' }}" }, { "name": "cluster_name", "value": "{{ $json.cluster_name || 'devops-cluster' }}" } ] }, "options": {} }, "typeVersion": 1 }, { "id": "8f11ab98-149b-4192-8345-b278532d12ab", "name": "System Preparation", "type": "n8n-nodes-base.ssh", "position": [ 660, 0 ], "parameters": { "command": "#!/bin/bash\n\necho \"\ud83d\ude80 DevOps Stack Setup - System Preparation\"\necho \"YOUR_AWS_SECRET_KEY_HERE==\"\n\n# Update system\napt update -y && apt upgrade -y\n\n# Install essential packages\napt install -y curl wget git vim nano build-essential software-properties-common \\\n apt-transport-https ca-certificates gnupg lsb-release jq unzip tree htop \\\n net-tools python3 python3-pip openssh-server ufw\n\n# Install Python packages for automation\npip3 install ansible boto3 kubernetes docker-compose\n\necho \"\u2705 System preparation completed!\"", "authentication": "privateKey" }, "credentials": { "sshPrivateKey": { "name": "" } }, "typeVersion": 1 }, { "id": "150157b9-6b02-4953-aa60-192f526d9f9a", "name": "Install Docker", "type": "n8n-nodes-base.ssh", "position": [ 880, 0 ], "parameters": { "command": "#!/bin/bash\n\necho \"\ud83d\udc33 Installing Docker & Docker Compose\"\necho \"====================================\"\n\n# Add Docker GPG key\ncurl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg\n\n# Add Docker repository\necho \"deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable\" | tee /etc/apt/sources.list.d/docker.list > /dev/null\n\n# Install Docker\napt update && apt install -y docker-ce docker-ce-cli containerd.io\n\n# Install Docker Compose\ncurl -L \"https://github.com/docker/compose/releases/latest/download/docker-compose-$(uname -s)-$(uname -m)\" -o /usr/local/bin/docker-compose\nchmod +x /usr/local/bin/docker-compose\n\n# Start Docker service\nsystemctl start docker && systemctl enable docker\n\necho \"Docker version: $(docker --version)\"\necho \"Docker Compose version: $(docker-compose --version)\"\necho \"\u2705 Docker installation completed!\"", "authentication": "privateKey" }, "credentials": { "sshPrivateKey": { "name": "" } }, "typeVersion": 1 }, { "id": "8e450cfb-3075-4d36-96bf-2a342e04dd87", "name": "Install Kubernetes", "type": "n8n-nodes-base.ssh", "position": [ 1100, 0 ], "parameters": { "command": "#!/bin/bash\n\necho \"\u2638\ufe0f Installing Kubernetes (K3s)\"\necho \"==============================\"\n\n# Install K3s (lightweight Kubernetes)\ncurl -sfL https://get.k3s.io | INSTALL_K3S_VERSION=\"v{{ $json.k8s_version }}.0+k3s1\" sh -\n\n# Install kubectl\ncurl -LO \"https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl\"\ninstall -o root -g root -m 0755 kubectl /usr/local/bin/kubectl\n\n# Install Helm\ncurl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash\n\n# Install k9s (Kubernetes CLI management tool)\ncurl -sS https://webinstall.dev/k9s | bash\n\n# Wait for K3s to be ready\nsleep 30\n\necho \"Kubernetes version: $(kubectl version --client --short)\"\necho \"Helm version: $(helm version --short)\"\necho \"\u2705 Kubernetes installation completed!\"", "authentication": "privateKey" }, "credentials": { "sshPrivateKey": { "name": "" } }, "typeVersion": 1 }, { "id": "8fccf05b-3eb2-401f-bbfb-96b3d1b9aa5f", "name": "Install Jenkins", "type": "n8n-nodes-base.ssh", "position": [ 1320, 0 ], "parameters": { "command": "#!/bin/bash\n\necho \"\ud83d\udd27 Installing Jenkins\"\necho \"====================\"\n\n# Add Jenkins repository\nwget -q -O - https://pkg.jenkins.io/debian/jenkins.io.key | apt-key add -\necho \"deb https://pkg.jenkins.io/debian-stable binary/\" | tee /etc/apt/sources.list.d/jenkins.list\n\n# Install Java (required for Jenkins)\napt update && apt install -y openjdk-11-jdk\n\n# Install Jenkins\napt install -y jenkins\n\n# Start Jenkins\nsystemctl start jenkins && systemctl enable jenkins\n\n# Install Jenkins plugins via CLI (optional)\nwget http://localhost:8080/jnlpJars/jenkins-cli.jar\n\n# Create Jenkins Docker integration\nusermod -aG docker jenkins\n\necho \"Jenkins installed! Access at: http://$(hostname -I | awk '{print $1}'):8080\"\necho \"Initial admin password: $(cat /var/YOUR_AWS_SECRET_KEY_HERE)\"\necho \"\u2705 Jenkins installation completed!\"", "authentication": "privateKey" }, "credentials": { "sshPrivateKey": { "name": "" } }, "typeVersion": 1 }, { "id": "668996d6-413b-4467-8ad0-600a5d3162cf", "name": "Install Monitoring", "type": "n8n-nodes-base.ssh", "position": [ 1540, 0 ], "parameters": { "command": "#!/bin/bash\n\necho \"\ud83d\udcca Installing Prometheus & Grafana\"\necho \"==================================\"\n\n# Create monitoring namespace\nkubectl create namespace monitoring\n\n# Add Prometheus Helm repository\nhelm repo add prometheus-community https://prometheus-community.github.io/helm-charts\nhelm repo add grafana https://grafana.github.io/helm-charts\nhelm repo update\n\n# Install Prometheus using Helm\nhelm install prometheus prometheus-community/kube-prometheus-stack \\\n --namespace monitoring \\\n --set prometheus.prometheusSpec.serviceMonitorSelectorNilUsesHelmValues=false \\\n --set prometheus.prometheusSpec.retention=30d\n\n# Install Grafana using Helm\nhelm install grafana grafana/grafana \\\n --namespace monitoring \\\n --set persistence.enabled=true \\\n --set persistence.size=10Gi \\\n --set adminPassword=admin123\n\n# Expose services\nkubectl patch svc prometheus-kube-prometheus-prometheus -n monitoring -p '{\"spec\":{\"type\":\"NodePort\"}}'\nkubectl patch svc grafana -n monitoring -p '{\"spec\":{\"type\":\"NodePort\"}}'\n\necho \"Prometheus & Grafana installed!\"\necho \"Prometheus: http://$(hostname -I | awk '{print $1}'):$(kubectl get svc prometheus-kube-prometheus-prometheus -n monitoring -o jsonpath='{.spec.ports[0].nodePort}')\"\necho \"Grafana: http://$(hostname -I | awk '{print $1}'):$(kubectl get svc grafana -n monitoring -o jsonpath='{.spec.ports[0].nodePort}')\"\necho \"Grafana admin password: admin123\"\necho \"\u2705 Monitoring stack installation completed!\"", "authentication": "privateKey" }, "credentials": { "sshPrivateKey": { "name": "" } }, "typeVersion": 1 }, { "id": "7d88a242-654b-4dee-8642-84366b4eacb9", "name": "Create DevOps User", "type": "n8n-nodes-base.ssh", "position": [ 1760, 0 ], "parameters": { "command": "#!/bin/bash\n\necho \"\ud83d\udc64 Creating DevOps User & Configuration\"\necho \"======================================\"\n\n# Create DevOps user\nuseradd -m -s /bin/bash {{ $json.devops_user }}\necho \"{{ $json.devops_user }}:{{ $json.user_password }}\" | chpasswd\n\n# Add to groups\nusermod -aG sudo,docker {{ $json.devops_user }}\n\n# Create directories\nsu - {{ $json.devops_user }} -c \"mkdir -p ~/projects/{docker-files,k8s-manifests,jenkins-pipelines,monitoring,scripts}\"\n\n# Copy kubeconfig\ncp /etc/rancher/k3s/k3s.yaml /home/{{ $json.devops_user }}/.kube/config\nchown -R {{ $json.devops_user }}:{{ $json.devops_user }} /home/{{ $json.devops_user }}/.kube\n\n# Generate SSH key\nsu - {{ $json.devops_user }} -c \"ssh-keygen -t rsa -b 4096 -C '{{ $json.devops_user }}@devops-server' -N '' -f ~/.ssh/id_rsa\"\n\n# Configure Git\nsu - {{ $json.devops_user }} -c \"git config --global user.name '{{ $json.devops_user }}'\"\nsu - {{ $json.devops_user }} -c \"git config --global user.email '{{ $json.devops_user }}@devops.local'\"\n\necho \"\u2705 DevOps user created successfully!\"", "authentication": "privateKey" }, "credentials": { "sshPrivateKey": { "name": "" } }, "typeVersion": 1 }, { "id": "fcb8d5c7-c333-4bbc-ac49-3fc3e782bd46", "name": "Security Configuration", "type": "n8n-nodes-base.ssh", "position": [ 1980, 0 ], "parameters": { "command": "#!/bin/bash\n\necho \"\ud83d\udd12 Security & Firewall Configuration\"\necho \"===================================\"\n\n# Configure UFW firewall\nufw --force enable\nufw allow 22/tcp # SSH\nufw allow 80/tcp # HTTP\nufw allow 443/tcp # HTTPS\nufw allow 8080/tcp # Jenkins\nufw allow 9090/tcp # Prometheus\nufw allow 3000/tcp # Grafana\nufw allow 6443/tcp # Kubernetes API\n\n# Install additional DevOps tools\nsnap install code --classic\nsnap install helm --classic\nsnap install terraform --classic\n\n# Install AWS CLI\ncurl \"https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip\" -o \"awscliv2.zip\"\nunzip awscliv2.zip && ./aws/install\n\n# Install Azure CLI\ncurl -sL https://aka.ms/InstallAzureCLIDeb | bash\n\n# Install Google Cloud SDK\necho \"deb [signed-by=/usr/share/keyrings/cloud.google.gpg] https://packages.cloud.google.com/apt cloud-sdk main\" | tee -a /etc/apt/sources.list.d/google-cloud-sdk.list\ncurl https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key --keyring /usr/share/keyrings/cloud.google.gpg add -\napt update && apt install -y google-cloud-cli\n\necho \"\u2705 Security configuration completed!\"", "authentication": "privateKey" }, "credentials": { "sshPrivateKey": { "name": "" } }, "typeVersion": 1 }, { "id": "b2c7b3cc-d9fd-4931-9c1a-9c2168eef699", "name": "Final Configuration", "type": "n8n-nodes-base.ssh", "position": [ 2200, 0 ], "parameters": { "command": "#!/bin/bash\n\necho \"\ud83c\udfaf Final DevOps Stack Configuration\"\necho \"===================================\"\n\n# Create sample DevOps project structure\ncat > /home/{{ $json.devops_user }}/projects/docker-compose.yml << 'EOF'\nversion: '3.8'\nservices:\n app:\n build: .\n ports:\n - \"3000:3000\"\n environment:\n - NODE_ENV=production\n \n redis:\n image: redis:alpine\n ports:\n - \"6379:6379\"\n \n postgres:\n image: postgres:13\n environment:\n - POSTGRES_DB=myapp\n - POSTGRES_USER=user\n - POSTGRES_PASSWORD=password\n volumes:\n - postgres_data:/var/lib/postgresql/data\n \nvolumes:\n postgres_data:\nEOF\n\n# Create sample Kubernetes deployment\ncat > /home/{{ $json.devops_user }}/projects/k8s-manifests/deployment.yaml << 'EOF'\napiVersion: apps/v1\nkind: Deployment\nmetadata:\n name: sample-app\n namespace: default\nspec:\n replicas: 3\n selector:\n matchLabels:\n app: sample-app\n template:\n metadata:\n labels:\n app: sample-app\n spec:\n containers:\n - name: app\n image: nginx:alpine\n ports:\n - containerPort: 80\n---\napiVersion: v1\nkind: Service\nmetadata:\n name: sample-app-service\nspec:\n selector:\n app: sample-app\n ports:\n - protocol: TCP\n port: 80\n targetPort: 80\n type: LoadBalancer\nEOF\n\n# Create sample Jenkins pipeline\ncat > /home/{{ $json.devops_user }}/projects/jenkins-pipelines/Jenkinsfile << 'EOF'\npipeline {\n agent any\n \n stages {\n stage('Build') {\n steps {\n echo 'Building application...'\n sh 'docker build -t myapp:${BUILD_NUMBER} .'\n }\n }\n \n stage('Test') {\n steps {\n echo 'Running tests...'\n sh 'docker run --rm myapp:${BUILD_NUMBER} npm test'\n }\n }\n \n stage('Deploy') {\n steps {\n echo 'Deploying to Kubernetes...'\n sh 'kubectl apply -f k8s-manifests/'\n }\n }\n }\n}\nEOF\n\n# Set proper ownership\nchown -R {{ $json.devops_user }}:{{ $json.devops_user }} /home/{{ $json.devops_user }}/projects/\n\n# Display summary\necho \"\ud83c\udf89 DevOps Stack Setup Complete!\"\necho \"==============================\"\necho \"\ud83d\udcca Installation Summary:\"\necho \"\u2022 Docker: $(docker --version)\"\necho \"\u2022 Kubernetes: $(kubectl version --client --short)\"\necho \"\u2022 Helm: $(helm version --short)\"\necho \"\u2022 Jenkins: http://$(hostname -I | awk '{print $1}'):8080\"\necho \"\u2022 Prometheus: http://$(hostname -I | awk '{print $1}'):9090\"\necho \"\u2022 Grafana: http://$(hostname -I | awk '{print $1}'):3000\"\necho \"\u2022 DevOps User: {{ $json.devops_user }}\"\necho \"\u2022 Password: {{ $json.user_password }}\"\necho \"\u2022 Project Directory: /home/{{ $json.devops_user }}/projects/\"\necho \"\"\necho \"\ud83d\ude80 Your DevOps environment is ready for CI/CD!\"\necho \"Happy DevOps! \ud83c\udfaf\"", "authentication": "privateKey" }, "credentials": { "sshPrivateKey": { "name": "" } }, "typeVersion": 1 }, { "id": "3f1ef253-89df-4073-9295-0698b0f347cd", "name": "Setup Complete", "type": "n8n-nodes-base.set", "position": [ 2420, 0 ], "parameters": { "values": { "string": [ { "name": "setup_status", "value": "\u2705 DevOps Stack Setup Complete!" }, { "name": "server_info", "value": "Host: {{ $('Configure Parameters').item.json.server_host }}" }, { "name": "devops_user", "value": "Username: {{ $('Configure Parameters').item.json.devops_user }}" }, { "name": "user_password", "value": "Password: {{ $('Configure Parameters').item.json.user_password }}" }, { "name": "tools_installed", "value": "Docker, Kubernetes, Jenkins, Prometheus, Grafana, Helm, Terraform" }, { "name": "jenkins_url", "value": "http://{{ $('Configure Parameters').item.json.server_host }}:8080" }, { "name": "grafana_url", "value": "http://{{ $('Configure Parameters').item.json.server_host }}:3000" }, { "name": "prometheus_url", "value": "http://{{ $('Configure Parameters').item.json.server_host }}:9090" } ] }, "options": {} }, "typeVersion": 1 }, { "id": "e8c31a96-3853-4ee6-9870-b73d0ba528e1", "name": "Wait", "type": "n8n-nodes-base.wait", "position": [ 440, 0 ], "parameters": {}, "typeVersion": 1.1 }, { "id": "9e38d276-b2e5-4a4b-8038-209a5dcbccf3", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [ 780, -500 ], "parameters": { "color": 4, "width": 620, "height": 280, "content": "## Main Components\n- **Configure Parameters** - Defines server details, tool versions, and credentials\n- **System Preparation** - Updates the system and installs base packages\n- **Install Docker** - Deploys Docker Engine and Docker Compose\n- **Install Kubernetes** - Sets up K3s cluster with kubectl, Helm, and k9s\n- **Install Jenkins** - Configures Jenkins CI/CD server with Docker integration\n- **Install Monitoring** - Deploys Prometheus and Grafana using Helm charts\n- **Create DevOps User** - Establishes a dedicated user with appropriate permissions\n- **Security Configuration** - Implements firewall, VS Code, and Terraform\n- **Final Configuration** - Sets up sample projects and configuration files\n- **Setup Complete** - Provides a summary and access details" }, "typeVersion": 1 } ], "active": false, "settings": { "executionOrder": "v1" }, "versionId": "f83e2551-7393-4aec-aba1-d43449ed9961", "connections": { "Wait": { "main": [ [ { "node": "System Preparation", "type": "main", "index": 0 } ] ] }, "Install Docker": { "main": [ [ { "node": "Install Kubernetes", "type": "main", "index": 0 } ] ] }, "Install Jenkins": { "main": [ [ { "node": "Install Monitoring", "type": "main", "index": 0 } ] ] }, "Create DevOps User": { "main": [ [ { "node": "Security Configuration", "type": "main", "index": 0 } ] ] }, "Install Kubernetes": { "main": [ [ { "node": "Install Jenkins", "type": "main", "index": 0 } ] ] }, "Install Monitoring": { "main": [ [ { "node": "Create DevOps User", "type": "main", "index": 0 } ] ] }, "Start DevOps Setup": { "main": [ [ { "node": "Configure Parameters", "type": "main", "index": 0 } ] ] }, "System Preparation": { "main": [ [ { "node": "Install Docker", "type": "main", "index": 0 } ] ] }, "Final Configuration": { "main": [ [ { "node": "Setup Complete", "type": "main", "index": 0 } ] ] }, "Configure Parameters": { "main": [ [ { "node": "Wait", "type": "main", "index": 0 } ] ] }, "Security Configuration": { "main": [ [ { "node": "Final Configuration", "type": "main", "index": 0 } ] ] } } }