first commit. almost all claude. now time to review

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diff --git a/IMPLEMENTATION.md b/IMPLEMENTATION.md
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+# Implementation Overview
+
+## Summary
+
+This project creates a single bootable ISO that automatically configures itself as part of a Kubernetes cluster with integrated distributed services (Ceph, Kafka, MQTT, DNS). All services are managed directly by systemd.
+
+## Architecture
+
+### Boot Flow
+
+```
+┌─────────────────────────────────────────────────────────┐
+│ 1. System Boots from ISO                                │
+└────────────────┬────────────────────────────────────────┘
+                 │
+                 ▼
+┌─────────────────────────────────────────────────────────┐
+│ 2. cluster-detect.service (Very Early Boot)             │
+│    - Runs cluster-detect.sh                             │
+│    - Detects node identity (MAC/IP/hostname)            │
+│    - Creates /etc/cluster-config/current-node.yaml      │
+│    - Writes /etc/cluster-config/node-identity           │
+└────────────────┬────────────────────────────────────────┘
+                 │
+                 ▼
+┌─────────────────────────────────────────────────────────┐
+│ 3. Environment File Generation                          │
+│    - Runs generate-environment-files.sh                 │
+│    - Creates /etc/cluster-config/environment/*.env      │
+│    - Extracts node IP, cluster settings, etc.           │
+└────────────────┬────────────────────────────────────────┘
+                 │
+                 ▼
+┌─────────────────────────────────────────────────────────┐
+│ 4. Role Activation                                      │
+│    - Runs cluster-activate-roles.sh                     │
+│    - Maps roles to systemd targets                      │
+│    - Enables and starts targets                         │
+└────────────────┬────────────────────────────────────────┘
+                 │
+                 ▼
+┌─────────────────────────────────────────────────────────┐
+│ 5. Service Startup (Dependency Order)                   │
+│    - containerd.service                                 │
+│    - etcd.service (masters only)                        │
+│    - kube-apiserver.service (masters only)              │
+│    - kube-controller-manager.service (masters only)     │
+│    - kube-scheduler.service (masters only)              │
+│    - kubelet.service (all nodes)                        │
+│    - kafka.service (kafka nodes)                        │
+│    - ceph-mon@.service (ceph-mon nodes)                 │
+│    - ceph-osd@.service (ceph-osd nodes)                 │
+│    - mosquitto.service (mqtt nodes)                     │
+│    - coredns.service (dns nodes)                        │
+└─────────────────────────────────────────────────────────┘
+```
+
+## Components
+
+### Configuration Files (configs/)
+
+#### cluster.yaml
+- Defines entire cluster topology
+- Lists all nodes with IPs, hostnames, roles
+- Specifies enabled services
+- Network configuration (pod CIDR, service CIDR)
+
+#### services/*.yaml (5 files)
+- kubernetes.yaml - K8s component configuration
+- ceph.yaml - Ceph storage settings
+- kafka.yaml - Kafka broker configuration
+- mqtt.yaml - MQTT broker settings
+- dns.yaml - CoreDNS configuration
+
+#### nodes/*.yaml (5 files)
+- master-01.yaml - Control plane node
+- worker-01.yaml - Worker node
+- worker-02.yaml - Worker + Ceph OSD
+- kafka-01.yaml - Worker + Kafka broker
+- storage-01.yaml - Worker + Ceph mon + OSD
+
+### Systemd Units (systemd/)
+
+#### Services (11 files)
+1. **containerd.service** - Container runtime for Kubernetes
+2. **kubelet.service** - Kubernetes node agent
+3. **kube-apiserver.service** - Kubernetes API server
+4. **kube-controller-manager.service** - K8s controller manager
+5. **kube-scheduler.service** - K8s scheduler
+6. **etcd.service** - Key-value store for K8s
+7. **kafka.service** - Kafka broker (KRaft mode)
+8. **ceph-mon@.service** - Ceph monitor (template)
+9. **ceph-osd@.service** - Ceph OSD (template)
+10. **mosquitto.service** - MQTT broker
+11. **coredns.service** - DNS server
+
+#### Targets (7 files)
+- **kubernetes-master.target** - Pulls in K8s control plane services
+- **kubernetes-worker.target** - Pulls in kubelet
+- **kafka.target** - Pulls in Kafka broker
+- **ceph-mon.target** - Pulls in Ceph monitor
+- **ceph-osd.target** - Pulls in Ceph OSD
+- **mqtt.target** - Pulls in Mosquitto
+- **dns.target** - Pulls in CoreDNS
+
+#### Special Service
+- **cluster-detect.service** - Runs very early to detect node identity
+
+### Tools (tools/)
+
+#### Core Scripts (12 files)
+
+**Detection & Activation:**
+1. **cluster-detect.sh** - Node identity detection (MAC/IP/hostname)
+2. **cluster-activate-roles.sh** - Map roles to systemd targets
+3. **generate-environment-files.sh** - Create env files for services
+
+**Service Configuration Generators:**
+4. **kubelet-config-generator.sh** - Generate kubelet config.yaml
+5. **kube-apiserver-config-generator.sh** - Pre-start checks for API server
+6. **etcd-config-generator.sh** - Initialize etcd data directory
+7. **kafka-config-generator.sh** - Generate Kafka server.properties
+8. **ceph-mon-init.sh** - Initialize Ceph monitor
+9. **ceph-osd-init.sh** - Initialize Ceph OSD
+10. **mosquitto-config-generator.sh** - Generate mosquitto.conf
+11. **coredns-config-generator.sh** - Generate CoreDNS Corefile
+
+**Validation:**
+12. **validate-config.py** - Validate cluster configuration before build
+
+## Role-to-Target Mapping
+
+| Role | Systemd Target | Services Started |
+|------|----------------|------------------|
+| master / control-plane | kubernetes-master.target | kubelet, kube-apiserver, kube-controller-manager, kube-scheduler, etcd |
+| worker | kubernetes-worker.target | kubelet |
+| kafka-broker | kafka.target | kafka |
+| ceph-mon | ceph-mon.target | ceph-mon@node |
+| ceph-osd | ceph-osd.target | ceph-osd@X (per device) |
+| mqtt-broker | mqtt.target | mosquitto |
+| dns-server | dns.target | coredns |
+
+## File Locations (On Installed System)
+
+### Configuration
+```
+/etc/cluster-config/
+├── cluster.yaml                    # Full cluster topology
+├── current-node.yaml               # Symlink to this node's config
+├── node-identity                   # This node's name
+├── services/                       # Service configs
+│   ├── kubernetes.yaml
+│   ├── ceph.yaml
+│   ├── kafka.yaml
+│   ├── mqtt.yaml
+│   └── dns.yaml
+├── nodes/                          # All node configs
+│   ├── master-01.yaml
+│   ├── worker-01.yaml
+│   └── ...
+└── environment/                    # Generated env files
+    ├── kubelet.env
+    ├── kube-apiserver.env
+    ├── kafka.env
+    └── ...
+```
+
+### Scripts
+```
+/usr/local/bin/
+├── cluster-detect.sh
+├── cluster-activate-roles.sh
+├── generate-environment-files.sh
+├── kubelet-config-generator.sh
+├── kafka-config-generator.sh
+└── ...
+```
+
+### Systemd Units
+```
+/etc/systemd/system/
+├── cluster-detect.service
+├── containerd.service
+├── kubelet.service
+├── kube-apiserver.service
+├── kubernetes-master.target
+├── kafka.service
+└── ...
+```
+
+### Data Directories
+```
+/var/lib/
+├── kubelet/                        # Kubelet data and configs
+├── etcd/                          # etcd data
+├── kafka/                         # Kafka logs and data
+├── ceph/                          # Ceph data
+│   ├── mon/
+│   └── osd/
+└── mosquitto/                     # MQTT persistence
+```
+
+## Configuration Generation Process
+
+1. **Build time**: User edits configs/ directory
+2. **Validation**: `validate-config.py` ensures correctness
+3. **ISO creation**: All configs embedded into ISO (future work)
+4. **First boot**: `cluster-detect.sh` identifies node
+5. **Environment generation**: `generate-environment-files.sh` creates .env files
+6. **Service startup**: Each service's ExecStartPre runs config generator
+7. **Runtime**: Services read from generated configs
+
+## Security Considerations
+
+### PKI/Certificates
+- **Kubernetes**: Requires CA, API server, kubelet, etcd certs
+- **Ceph**: Requires cephx authentication keys
+- **MQTT**: Password file and ACLs
+
+**TODO**: Certificate generation not yet implemented
+
+### Service Hardening
+All services use systemd security features:
+- `NoNewPrivileges=true`
+- `ProtectHome=true`
+- `ProtectSystem=strict/full`
+- `PrivateTmp=true`
+- Limited capabilities (where applicable)
+
+## Next Steps
+
+### Critical Path to Working System
+1. **Certificate/Key Generation**
+   - Script to generate Kubernetes PKI
+   - Script to generate Ceph keys
+   - MQTT password management
+
+2. **Network Configuration**
+   - Static IP assignment
+   - Network interface configuration
+   - Calico CNI installation
+
+3. **Cluster Bootstrapping**
+   - First master initialization
+   - Join tokens for workers
+   - Multi-master etcd cluster setup
+   - Ceph cluster initialization
+
+4. **ISO Builder**
+   - Take configs/ + base OS → bootable ISO
+   - Integrate kickstart/cloud-init
+   - Embed all scripts and systemd units
+
+### Nice to Have
+- Monitoring (Prometheus/Grafana)
+- Logging (Loki/journald)
+- Update mechanism
+- Rollback support
+- Interactive TUI for node selection
+- Web dashboard for cluster status
+
+## Testing Strategy
+
+### Unit Testing
+- Validate each config generator script
+- Test role-to-target mapping
+- Verify YAML parsing
+
+### Integration Testing
+- Boot test in VMs
+- Multi-node cluster formation
+- Service startup ordering
+- Failure recovery
+
+### End-to-End Testing
+- Full cluster deployment
+- Workload deployment
+- Storage provisioning
+- Message broker connectivity
+
+## Known Limitations
+
+1. **Certificate generation not implemented** - Manual PKI setup required
+2. **Single master only** - Multi-master etcd cluster needs work
+3. **No network config** - Assumes static IPs or DHCP reservations
+4. **Ceph bootstrap incomplete** - Mon/OSD initialization stubs only
+5. **No update mechanism** - Fresh install only
+6. **No secrets management** - Passwords and keys in plain text
+
+## Project Statistics
+
+- **Configuration files**: 11 (1 cluster + 5 services + 5 nodes)
+- **Systemd units**: 19 (11 services + 7 targets + 1 cluster-detect)
+- **Scripts**: 12 tools
+- **Total files**: 42+
+- **Lines of code**: ~2500+ (estimated)
+
+## References
+
+- [Kubernetes Documentation](https://kubernetes.io/docs/)
+- [Ceph Documentation](https://docs.ceph.com/)
+- [Kafka Documentation](https://kafka.apache.org/documentation/)
+- [systemd Documentation](https://systemd.io/)
+- [CoreDNS Documentation](https://coredns.io/)
diff --git a/README.md b/README.md
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+# Cluster-from-SystemD
+
+A specialized Linux distribution that boots directly into being a Kubernetes cluster node, with all distributed systems components (Ceph, Kafka, MQTT, DNS) managed by systemd.
+
+## Overview
+
+This project creates a **single bootable ISO** that can be installed on any node in a cluster. Each system boots and automatically detects its role in the cluster, then starts the appropriate services via systemd.
+
+### Key Features
+
+- **Single ISO for entire cluster** - No need to build separate images per node
+- **Automatic node detection** - System identifies itself by MAC address, IP, or hostname
+- **Role-based service activation** - systemd targets start services based on node roles
+- **Declarative YAML configuration** - Simple, human-readable cluster topology
+- **Configuration validation** - Ensure correctness before building ISO
+- **Fedora/Rocky-based** - Targeting RHEL ecosystem for enterprise compatibility
+
+## Project Structure
+
+```
+cluster-from-systemd/
+├── configs/                    # Cluster configuration files
+│   ├── cluster.yaml           # Cluster topology and global settings
+│   ├── services/              # Service-specific configurations
+│   │   ├── kubernetes.yaml
+│   │   ├── ceph.yaml
+│   │   ├── kafka.yaml
+│   │   ├── mqtt.yaml
+│   │   └── dns.yaml
+│   └── nodes/                 # Per-node configurations
+│       ├── master-01.yaml
+│       ├── worker-01.yaml
+│       ├── worker-02.yaml
+│       ├── kafka-01.yaml
+│       └── storage-01.yaml
+├── tools/                     # Build and management tools
+│   ├── validate-config.py     # Validate cluster configuration
+│   ├── cluster-detect.sh      # Node identity detection
+│   └── cluster-activate-roles.sh  # Activate systemd targets by role
+├── systemd/                   # Systemd unit files
+│   ├── cluster-detect.service
+│   ├── kubernetes-master.target
+│   ├── kubernetes-worker.target
+│   ├── kafka.target
+│   ├── ceph-mon.target
+│   ├── ceph-osd.target
+│   ├── mqtt.target
+│   └── dns.target
+├── spec.md                    # Original specification
+└── config-schema.md           # Detailed configuration documentation
+```
+
+## Quick Start
+
+### 1. Validate Your Configuration
+
+```bash
+python3 tools/validate-config.py configs/
+```
+
+This checks:
+- Valid YAML syntax
+- No duplicate IPs, MACs, or node names
+- At least one master node exists
+- All enabled services have configs
+- Node configs match cluster topology
+
+### 2. Customize Your Cluster
+
+Edit `configs/cluster.yaml` to define your cluster topology:
+
+```yaml
+cluster:
+  name: "my-cluster"
+  domain: "cluster.local"
+
+nodes:
+  - name: "master-01"
+    ip: "192.168.1.10"
+    roles: ["master", "control-plane"]
+
+  - name: "worker-01"
+    ip: "192.168.1.20"
+    roles: ["worker"]
+```
+
+Edit node configs in `configs/nodes/` to add hardware identifiers:
+
+```yaml
+node:
+  name: "master-01"
+  hardware:
+    mac_addresses:
+      - "52:54:00:12:34:10"
+```
+
+### 3. Build ISO (Coming Soon)
+
+```bash
+# Not yet implemented
+./tools/build-iso.sh configs/ -o cluster.iso
+```
+
+## How It Works
+
+### Boot Sequence
+
+1. **System boots** from ISO
+2. **`cluster-detect.service`** runs early (before network services)
+3. **Node detection**:
+   - Compares system MAC addresses to `configs/nodes/*.yaml`
+   - Falls back to IP address matching
+   - Falls back to hostname matching
+   - Final fallback: interactive console prompt
+4. **Identity established**:
+   - Creates `/etc/cluster-config/current-node.yaml` (symlink to detected node)
+   - Writes `/etc/cluster-config/node-identity`
+5. **Role activation**:
+   - Reads roles from node config
+   - Enables and starts systemd targets per role:
+     - `master` → `kubernetes-master.target`
+     - `worker` → `kubernetes-worker.target`
+     - `kafka-broker` → `kafka.target`
+     - `ceph-osd` → `ceph-osd.target`
+     - etc.
+6. **Services start** based on enabled targets
+
+### Supported Roles
+
+- **master** / **control-plane** - Kubernetes control plane
+- **worker** - Kubernetes worker node
+- **kafka-broker** - Kafka message broker
+- **kafka-controller** - Kafka controller (KRaft mode)
+- **ceph-mon** - Ceph monitor daemon
+- **ceph-osd** - Ceph object storage daemon
+- **ceph-mds** - Ceph metadata server
+- **mqtt-broker** - MQTT message broker
+- **dns-server** - DNS server (CoreDNS)
+
+## Configuration Files
+
+### Cluster Config (`configs/cluster.yaml`)
+Defines the entire cluster topology, network settings, and which services are enabled.
+
+### Node Configs (`configs/nodes/*.yaml`)
+Per-node settings including:
+- Node name, hostname, IP
+- Roles
+- Hardware identifiers (MAC addresses)
+- Service-specific overrides
+- Resource hints (CPU, memory, storage)
+
+### Service Configs (`configs/services/*.yaml`)
+Service-specific configuration including:
+- Version information
+- Runtime configuration
+- Systemd unit dependencies
+- Feature flags and tuning parameters
+
+See [config-schema.md](config-schema.md) for detailed documentation.
+
+## Implementation Status
+
+### ✅ Completed
+- **Configuration system** (11 files)
+  - Cluster topology schema
+  - 5 node configurations (master, workers, kafka, storage)
+  - 5 service configurations (k8s, ceph, kafka, mqtt, dns)
+  - Configuration validator (`validate-config.py`)
+- **Boot-time detection** (3 scripts)
+  - Node identity detection (`cluster-detect.sh`)
+  - Role activation (`cluster-activate-roles.sh`)
+  - Environment file generator (`generate-environment-files.sh`)
+- **Systemd integration** (19 units)
+  - 11 service units (containerd, kubelet, kube-apiserver, etcd, kafka, ceph, mqtt, coredns, etc.)
+  - 7 role-based targets
+  - 1 early-boot detection service
+- **Service configuration generators** (8 scripts)
+  - Kubernetes component configs
+  - Kafka broker properties
+  - Ceph initialization (stubs)
+  - MQTT and DNS configs
+
+**Total: 42+ files, ~2500+ lines of code**
+
+### 📋 Next Steps (Critical Path)
+1. **Certificate/Key Generation**
+   - Kubernetes PKI generation scripts
+   - Ceph cephx key generation
+   - MQTT password management
+2. **Network Configuration**
+   - Static IP assignment on boot
+   - Calico CNI deployment
+3. **Cluster Bootstrapping**
+   - Multi-master etcd cluster setup
+   - Worker join tokens
+   - Ceph monitor quorum formation
+4. **ISO Builder Tool**
+   - Package configs + OS → bootable ISO
+   - Integrate with Fedora/Rocky installer
+
+### 🎯 Future Enhancements
+- Monitoring (Prometheus/Grafana)
+- Logging aggregation
+- Update and rollback mechanisms
+- Web UI for cluster management
+
+## Development
+
+### Testing Node Detection
+
+```bash
+# Set CONFIG_DIR to test locally
+export CONFIG_DIR=/home/thomas/dev/cluster-from-systemd/configs
+./tools/cluster-detect.sh
+```
+
+### Adding a New Service
+
+1. Create service config in `configs/services/my-service.yaml`
+2. Add service to `configs/cluster.yaml` enabled list
+3. Create systemd target in `systemd/my-service.target`
+4. Update role mapping in `tools/cluster-activate-roles.sh`
+5. Run validator: `python3 tools/validate-config.py configs/`
+
+## Contributing
+
+This is an experimental project. Contributions welcome!
+
+## License
+
+TBD
+
+## See Also
+
+- [spec.md](spec.md) - Original project specification
+- [config-schema.md](config-schema.md) - Detailed configuration documentation
+- [IMPLEMENTATION.md](IMPLEMENTATION.md) - Complete implementation overview with architecture diagrams
diff --git a/STATUS.md b/STATUS.md
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+# Project Status Report
+
+**Generated**: 2025-10-26
+**Project**: cluster-from-systemd
+**Version**: 0.1.0-alpha
+
+## Executive Summary
+
+✅ **Configuration system complete and functional**
+✅ **Boot-time detection system implemented**
+✅ **All major service units created**
+✅ **Configuration validation passing**
+
+## What Works Now
+
+### 1. Configuration Management ✅
+- Define entire cluster topology in YAML
+- 5 pre-configured node types (master, workers, kafka, storage)
+- 5 service configurations (Kubernetes, Ceph, Kafka, MQTT, DNS)
+- Comprehensive validation tool catches errors before build
+
+**Test it:**
+```bash
+python3 tools/validate-config.py configs/
+# Output: ✓ Validation PASSED
+```
+
+### 2. Node Detection System ✅
+- Automatically identifies which node the system is on boot
+- Detection methods: MAC address → IP address → hostname → interactive
+- Creates symlink to node-specific configuration
+- Generates environment files for all services
+
+**Components:**
+- `tools/cluster-detect.sh` - Main detection logic
+- `tools/generate-environment-files.sh` - Creates .env files
+- `systemd/cluster-detect.service` - Runs at early boot
+
+### 3. Role-Based Service Activation ✅
+- Maps node roles to systemd targets
+- Automatically enables and starts appropriate services
+- Supports multi-role nodes (e.g., worker + kafka-broker)
+
+**Role mappings:**
+- master → kubernetes-master.target → api-server, scheduler, controller, etcd
+- worker → kubernetes-worker.target → kubelet
+- kafka-broker → kafka.target → kafka.service
+- ceph-osd → ceph-osd.target → ceph-osd@.service
+
+### 4. Systemd Service Units ✅
+**11 Service Units Created:**
+1. containerd.service - Container runtime
+2. kubelet.service - K8s node agent
+3. kube-apiserver.service - K8s API server
+4. kube-controller-manager.service - K8s controller
+5. kube-scheduler.service - K8s scheduler
+6. etcd.service - Distributed key-value store
+7. kafka.service - Kafka broker (KRaft mode)
+8. ceph-mon@.service - Ceph monitor
+9. ceph-osd@.service - Ceph OSD
+10. mosquitto.service - MQTT broker
+11. coredns.service - DNS server
+
+**7 Target Units:**
+- kubernetes-master.target
+- kubernetes-worker.target
+- kafka.target
+- ceph-mon.target
+- ceph-osd.target
+- mqtt.target
+- dns.target
+
+### 5. Service Configuration Generators ✅
+**8 Configuration Generator Scripts:**
+- kubelet-config-generator.sh
+- kube-apiserver-config-generator.sh
+- etcd-config-generator.sh
+- kafka-config-generator.sh
+- ceph-mon-init.sh
+- ceph-osd-init.sh
+- mosquitto-config-generator.sh
+- coredns-config-generator.sh
+
+These run at service startup to generate runtime configs from cluster YAML.
+
+## Project Statistics
+
+```
+Total Files:        42
+Total Lines:        2,064
+Configuration:      11 files (cluster + services + nodes)
+Systemd Units:      19 files (services + targets)
+Scripts:            12 files (bash + python)
+Documentation:      4 files (README, spec, schema, implementation)
+```
+
+## Architecture Diagram
+
+```
+┌──────────────┐
+│   ISO Boot   │
+└──────┬───────┘
+       │
+       ▼
+┌─────────────────────────┐
+│ cluster-detect.service  │  ← Very early boot
+│  - Detect node identity │
+│  - Generate env files   │
+│  - Activate roles       │
+└──────┬──────────────────┘
+       │
+       ▼
+┌──────────────────────────────────────────┐
+│         Systemd Targets                  │
+│  ┌────────────┐  ┌──────────┐           │
+│  │ k8s-master │  │ k8s-work │  ┌──────┐ │
+│  │  .target   │  │ er.target│  │kafka │ │
+│  └─────┬──────┘  └────┬─────┘  │.tgt  │ │
+└────────┼──────────────┼────────┴───┬───┘
+         │              │            │
+         ▼              ▼            ▼
+┌─────────────┐  ┌──────────┐  ┌────────┐
+│ API Server  │  │ Kubelet  │  │ Kafka  │
+│ Controller  │  │          │  │ Broker │
+│ Scheduler   │  │          │  │        │
+│ etcd        │  │          │  │        │
+└─────────────┘  └──────────┘  └────────┘
+```
+
+## What's Missing (Critical Path)
+
+### 1. Certificate Generation 🔴
+**Priority: CRITICAL**
+
+The Kubernetes components require a full PKI:
+- CA certificate and key
+- API server certificate
+- Kubelet certificates
+- etcd certificates
+- Service account keys
+
+**Action needed:**
+- Script to generate all required certificates
+- Distribution to appropriate nodes
+- Secure key storage
+
+### 2. Network Configuration 🔴
+**Priority: CRITICAL**
+
+Systems need network setup before services start:
+- Static IP assignment based on cluster.yaml
+- Network interface configuration
+- Calico CNI plugin installation
+- Pod network CIDR setup
+
+**Action needed:**
+- Network configuration script (runs before cluster-detect)
+- Calico manifest deployment
+
+### 3. Cluster Bootstrapping 🟡
+**Priority: HIGH**
+
+First-time cluster initialization:
+- etcd cluster formation (multi-master)
+- Kubernetes join tokens for workers
+- Ceph monitor quorum setup
+- Ceph OSD initialization with devices
+- Kafka cluster ID generation
+
+**Action needed:**
+- Bootstrap orchestration script
+- First-master vs additional-master detection
+- Worker join logic
+
+### 4. ISO Builder 🟡
+**Priority: HIGH**
+
+Package everything into bootable image:
+- Base Fedora/Rocky Linux
+- Install all binaries (kubelet, kafka, ceph, etc.)
+- Embed configs/ directory
+- Install systemd units
+- Install scripts to /usr/local/bin/
+
+**Action needed:**
+- Kickstart/Anaconda integration
+- Image builder script (lorax/mkosi)
+- Binary download and packaging
+
+### 5. Post-Install Persistence 🟢
+**Priority: MEDIUM**
+
+After detection, persist configuration:
+- Save detected identity to disk
+- Prevent re-detection on reboot
+- Handle re-detection on hardware change
+
+**Action needed:**
+- Already partially implemented
+- Needs testing and hardening
+
+## Testing Status
+
+| Component | Unit Tests | Integration Tests | E2E Tests |
+|-----------|------------|-------------------|-----------|
+| Configuration Validation | ✅ Pass | N/A | N/A |
+| Node Detection | ⏳ Manual | ❌ Not done | ❌ Not done |
+| Role Activation | ⏳ Manual | ❌ Not done | ❌ Not done |
+| Service Units | ❌ Not done | ❌ Not done | ❌ Not done |
+| Full Boot | ❌ Not done | ❌ Not done | ❌ Not done |
+
+## Development Roadmap
+
+### Phase 1: Make it Boot (Current → Week 2)
+- [ ] Certificate generation scripts
+- [ ] Network configuration
+- [ ] Basic Kubernetes cluster formation
+- [ ] ISO builder (basic version)
+- [ ] VM testing
+
+### Phase 2: Make it Work (Week 3-4)
+- [ ] Ceph cluster initialization
+- [ ] Kafka cluster setup
+- [ ] Multi-master support
+- [ ] Worker join automation
+- [ ] End-to-end testing
+
+### Phase 3: Make it Production-Ready (Week 5-8)
+- [ ] Monitoring integration
+- [ ] Logging aggregation
+- [ ] Update mechanism
+- [ ] Backup and restore
+- [ ] Security hardening
+- [ ] Documentation
+
+## Current Limitations
+
+1. **No actual cluster bootstrap** - Services won't start without certs/config
+2. **Single master only** - Multi-master etcd not configured
+3. **No CNI** - Pod networking won't work
+4. **Manual certificate creation** - Must be done out of band
+5. **No ISO builder** - Can't create bootable image yet
+6. **No network setup** - Assumes pre-configured networking
+7. **Ceph incomplete** - Monitor/OSD init are stubs
+8. **No secrets management** - Everything in plain text
+
+## How to Test Locally
+
+### Validate Configuration
+```bash
+python3 tools/validate-config.py configs/
+```
+
+### Test Node Detection (Dry Run)
+```bash
+export CONFIG_DIR=$(pwd)/configs
+sudo tools/cluster-detect.sh
+# Will attempt MAC/IP detection, fall back to interactive
+```
+
+### Inspect Generated Service Files
+```bash
+ls -la systemd/
+cat systemd/kubelet.service
+cat systemd/kubernetes-master.target
+```
+
+### Review Configuration Generators
+```bash
+ls -la tools/*-generator.sh
+cat tools/kafka-config-generator.sh
+```
+
+## Next Session Goals
+
+Recommend tackling in this order:
+
+1. **Certificate Generation** (2-3 hours)
+   - Write script to generate Kubernetes PKI
+   - Store certs in /etc/kubernetes/pki/
+   - Add to cluster-detect flow
+
+2. **Network Configuration** (1-2 hours)
+   - Script to set static IP from cluster.yaml
+   - Configure network interfaces
+   - Test on VM
+
+3. **Basic ISO Builder** (3-4 hours)
+   - Download Fedora netboot
+   - Create kickstart file
+   - Package configs and scripts
+   - Build test ISO
+
+4. **VM Testing** (2-3 hours)
+   - Boot test ISO in VM
+   - Verify detection works
+   - Check service startup
+   - Debug issues
+
+## Questions for Consideration
+
+1. **Certificate strategy**: Generate at build time or first boot?
+2. **Multi-master**: How to handle etcd cluster formation?
+3. **Secrets**: Use Vault, sealed-secrets, or simple encryption?
+4. **Updates**: In-place or blue-green deployment?
+5. **Monitoring**: Integrated or separate cluster?
+
+## Conclusion
+
+**The foundation is solid.** We have:
+- ✅ Complete configuration system
+- ✅ Automatic node detection
+- ✅ Role-based service activation
+- ✅ All systemd units defined
+- ✅ Service configuration generators
+
+**Next critical steps:**
+1. Certificate generation
+2. Network setup
+3. ISO builder
+4. Test in VMs
+
+The project is well-positioned to become a working prototype with 8-16 more hours of focused development.
+
+---
+
+**Want to continue?** Recommend starting with certificate generation scripts next.
diff --git a/config-schema.md b/config-schema.md
new file mode 100644
index 0000000..d03d1a4
--- /dev/null
+++ b/config-schema.md
@@ -0,0 +1,242 @@
+# Configuration Schema Design
+
+## Overview
+The configuration system uses YAML files organized in a hierarchical structure. Configurations are split between:
+- **Cluster-level config**: Global settings, network topology, service defaults
+- **Node-level config**: Per-node settings, roles, and service overrides
+
+## Directory Structure
+```
+configs/
+├── cluster.yaml              # Cluster-wide configuration
+├── services/                 # Service-specific configurations
+│   ├── kubernetes.yaml
+│   ├── ceph.yaml
+│   ├── kafka.yaml
+│   ├── mqtt.yaml
+│   └── dns.yaml
+└── nodes/                    # Per-node configurations
+    ├── master-01.yaml
+    ├── worker-01.yaml
+    ├── kafka-01.yaml
+    └── ...
+```
+
+## Cluster Configuration (cluster.yaml)
+
+```yaml
+cluster:
+  name: "production-cluster"
+  domain: "cluster.local"
+
+network:
+  pod_cidr: "10.244.0.0/16"
+  service_cidr: "10.96.0.0/12"
+  dns_servers:
+    - "10.96.0.10"
+
+nodes:
+  # List of all nodes in the cluster
+  - name: "master-01"
+    hostname: "master-01.cluster.local"
+    ip: "192.168.1.10"
+    roles: ["master", "control-plane"]
+
+  - name: "worker-01"
+    hostname: "worker-01.cluster.local"
+    ip: "192.168.1.20"
+    roles: ["worker"]
+
+  - name: "kafka-01"
+    hostname: "kafka-01.cluster.local"
+    ip: "192.168.1.30"
+    roles: ["worker", "kafka-broker"]
+
+  - name: "ceph-01"
+    hostname: "ceph-01.cluster.local"
+    ip: "192.168.1.40"
+    roles: ["worker", "ceph-osd", "ceph-mon"]
+
+services:
+  # Which services are enabled cluster-wide
+  enabled:
+    - kubernetes
+    - ceph
+    - kafka
+    - mqtt
+    - dns
+```
+
+## Node Configuration (nodes/{node-name}.yaml)
+
+```yaml
+node:
+  name: "master-01"
+  roles:
+    - "master"
+    - "control-plane"
+
+  # Node-specific overrides
+  hostname: "master-01.cluster.local"
+  ip: "192.168.1.10"
+
+  # Hardware/resource hints
+  resources:
+    cpu_cores: 8
+    memory_gb: 32
+    storage_gb: 500
+
+# Services to run on this node
+services:
+  kubernetes:
+    enabled: true
+    type: "master"
+    components:
+      - "kube-apiserver"
+      - "kube-controller-manager"
+      - "kube-scheduler"
+      - "etcd"
+
+  ceph:
+    enabled: false
+
+  kafka:
+    enabled: false
+
+  mqtt:
+    enabled: false
+
+  dns:
+    enabled: true
+    type: "coredns"
+```
+
+## Service Configuration (services/kubernetes.yaml)
+
+```yaml
+service:
+  name: "kubernetes"
+  version: "1.28"
+
+# Service-specific configuration
+config:
+  api_server:
+    port: 6443
+    bind_address: "0.0.0.0"
+
+  kubelet:
+    cgroup_driver: "systemd"
+    container_runtime: "containerd"
+
+  network_plugin: "calico"
+
+  feature_gates:
+    - "EphemeralContainers=true"
+
+# Systemd unit configuration
+systemd:
+  unit_file: "kubelet.service"
+  wants:
+    - "containerd.service"
+  after:
+    - "containerd.service"
+    - "network-online.target"
+```
+
+## Role Definitions
+
+### Predefined Roles
+- **master**: Kubernetes control plane node
+- **worker**: Kubernetes worker node
+- **kafka-broker**: Kafka message broker
+- **kafka-controller**: Kafka controller (KRaft mode)
+- **ceph-mon**: Ceph monitor daemon
+- **ceph-osd**: Ceph object storage daemon
+- **ceph-mds**: Ceph metadata server
+- **mqtt-broker**: MQTT message broker
+- **dns-server**: DNS server
+
+### Custom Roles
+Users can define custom roles by creating role definition files in `roles/` directory.
+
+## Configuration Validation Rules
+
+1. Each node must have at least one role
+2. At least one node must have the "master" role
+3. Service configurations must match enabled services
+4. IP addresses must be unique across nodes
+5. Node names must be valid DNS names
+6. Required service dependencies must be met
+
+## Single-ISO Deployment Model
+
+This system uses a **single bootable ISO** that can be installed on any node in the cluster. Node identity is detected automatically at first boot.
+
+### ISO Contents
+The ISO contains configurations for the **entire cluster**:
+```
+/etc/cluster-config/
+├── cluster.yaml              # Full cluster topology (all nodes)
+├── services/                 # All service configs
+│   ├── kubernetes.yaml
+│   ├── ceph.yaml
+│   ├── kafka.yaml
+│   ├── mqtt.yaml
+│   └── dns.yaml
+└── nodes/                    # Configs for every node in cluster
+    ├── master-01.yaml
+    ├── worker-01.yaml
+    ├── kafka-01.yaml
+    ├── storage-01.yaml
+    └── ...
+```
+
+### Boot-time Configuration Resolution (First Boot)
+
+1. **System boots** from the ISO
+2. **Very early in boot**: `cluster-detect.service` starts (before other services)
+3. **Node detection** (`cluster-detect.sh`):
+   - Try to identify node by **MAC address** (compare against `hardware.mac_addresses` in node configs)
+   - Fallback to **IP address** detection (if static IP or DHCP reservation)
+   - Fallback to **hostname** detection
+   - Final fallback: **Interactive prompt** on console asking user to select node identity
+4. **Once identified**:
+   - Create symlink: `/etc/cluster-config/current-node.yaml` → `/etc/cluster-config/nodes/{detected-node}.yaml`
+   - Write `/etc/cluster-config/node-identity` with node name
+5. **Role activation** (`cluster-activate-roles.sh`):
+   - Read roles from `current-node.yaml`
+   - Map roles to systemd targets:
+     - `master` → `kubernetes-master.target`
+     - `worker` → `kubernetes-worker.target`
+     - `kafka-broker` → `kafka.target`
+     - `ceph-osd` → `ceph-osd.target`
+     - etc.
+   - Enable and start appropriate targets
+6. **Service startup**:
+   - Systemd targets pull in their service units
+   - Services read configs from `/etc/cluster-config/services/` and `/etc/cluster-config/current-node.yaml`
+   - Services start in dependency order
+
+### Normal Boot (Subsequent Boots)
+
+1. System boots
+2. `cluster-detect.service` runs but finds existing `/etc/cluster-config/node-identity`
+3. Skips detection, proceeds to activate saved roles
+4. Services start normally based on persisted systemd target enablement
+
+## Implementation Status
+
+- ✅ Configuration schema defined
+- ✅ Configuration validator tool (`tools/validate-config.py`)
+- ✅ Node detection script (`tools/cluster-detect.sh`)
+- ✅ Role activation script (`tools/cluster-activate-roles.sh`)
+- ✅ Environment file generator (`tools/generate-environment-files.sh`)
+- ✅ Systemd service units and targets (19 units total)
+- ✅ Service unit files (containerd, kubelet, kube-apiserver, etcd, kafka, ceph, mqtt, coredns)
+- ✅ Service configuration generators (8 scripts)
+- ⏳ Certificate/key generation (Kubernetes PKI, Ceph keys)
+- ⏳ Network configuration on boot
+- ⏳ ISO builder tool
+- ⏳ Cluster bootstrapping (multi-master, join tokens)
+
+See [IMPLEMENTATION.md](IMPLEMENTATION.md) for complete architecture overview.
diff --git a/configs/cluster.yaml b/configs/cluster.yaml
new file mode 100644
index 0000000..5c7bdac
--- /dev/null
+++ b/configs/cluster.yaml
@@ -0,0 +1,54 @@
+cluster:
+  name: "homelab-cluster"
+  domain: "cluster.local"
+  version: "1.0.0"
+
+network:
+  pod_cidr: "10.244.0.0/16"
+  service_cidr: "10.96.0.0/12"
+  dns_servers:
+    - "10.96.0.10"
+
+nodes:
+  - name: "master-01"
+    hostname: "master-01.cluster.local"
+    ip: "192.168.1.10"
+    roles:
+      - "master"
+      - "control-plane"
+
+  - name: "worker-01"
+    hostname: "worker-01.cluster.local"
+    ip: "192.168.1.20"
+    roles:
+      - "worker"
+
+  - name: "worker-02"
+    hostname: "worker-02.cluster.local"
+    ip: "192.168.1.21"
+    roles:
+      - "worker"
+      - "ceph-osd"
+
+  - name: "kafka-01"
+    hostname: "kafka-01.cluster.local"
+    ip: "192.168.1.30"
+    roles:
+      - "worker"
+      - "kafka-broker"
+
+  - name: "storage-01"
+    hostname: "storage-01.cluster.local"
+    ip: "192.168.1.40"
+    roles:
+      - "worker"
+      - "ceph-mon"
+      - "ceph-osd"
+
+services:
+  enabled:
+    - kubernetes
+    - ceph
+    - kafka
+    - mqtt
+    - dns
diff --git a/configs/nodes/kafka-01.yaml b/configs/nodes/kafka-01.yaml
new file mode 100644
index 0000000..2d139dd
--- /dev/null
+++ b/configs/nodes/kafka-01.yaml
@@ -0,0 +1,40 @@
+node:
+  name: "kafka-01"
+  hostname: "kafka-01.cluster.local"
+  ip: "192.168.1.30"
+
+  roles:
+    - "worker"
+    - "kafka-broker"
+
+  hardware:
+    mac_addresses:
+      - "52:54:00:12:34:30"
+
+  resources:
+    cpu_cores: 8
+    memory_gb: 32
+    storage_gb: 2000
+
+  # Node-specific overrides
+  kafka_broker_id: 1
+
+services:
+  kubernetes:
+    enabled: true
+    type: "worker"
+    components:
+      - "kubelet"
+
+  ceph:
+    enabled: false
+
+  kafka:
+    enabled: true
+    broker_id: 1
+
+  mqtt:
+    enabled: false
+
+  dns:
+    enabled: false
diff --git a/configs/nodes/master-01.yaml b/configs/nodes/master-01.yaml
new file mode 100644
index 0000000..bc1ce9c
--- /dev/null
+++ b/configs/nodes/master-01.yaml
@@ -0,0 +1,42 @@
+node:
+  name: "master-01"
+  hostname: "master-01.cluster.local"
+  ip: "192.168.1.10"
+
+  roles:
+    - "master"
+    - "control-plane"
+
+  # Hardware identifiers for auto-detection
+  hardware:
+    mac_addresses:
+      - "52:54:00:12:34:10"
+    # Could also use: serial_number, cpu_id, etc.
+
+  resources:
+    cpu_cores: 8
+    memory_gb: 32
+    storage_gb: 500
+
+services:
+  kubernetes:
+    enabled: true
+    type: "master"
+    components:
+      - "kube-apiserver"
+      - "kube-controller-manager"
+      - "kube-scheduler"
+      - "kubelet"
+      - "etcd"
+
+  ceph:
+    enabled: false
+
+  kafka:
+    enabled: false
+
+  mqtt:
+    enabled: false
+
+  dns:
+    enabled: true
diff --git a/configs/nodes/storage-01.yaml b/configs/nodes/storage-01.yaml
new file mode 100644
index 0000000..7ad51e8
--- /dev/null
+++ b/configs/nodes/storage-01.yaml
@@ -0,0 +1,50 @@
+node:
+  name: "storage-01"
+  hostname: "storage-01.cluster.local"
+  ip: "192.168.1.40"
+
+  roles:
+    - "worker"
+    - "ceph-mon"
+    - "ceph-osd"
+
+  hardware:
+    mac_addresses:
+      - "52:54:00:12:34:40"
+
+  resources:
+    cpu_cores: 8
+    memory_gb: 32
+    storage_gb: 4000
+
+  # Ceph-specific configuration
+  ceph_devices:
+    - "/dev/sdb"
+    - "/dev/sdc"
+    - "/dev/sdd"
+
+services:
+  kubernetes:
+    enabled: true
+    type: "worker"
+    components:
+      - "kubelet"
+
+  ceph:
+    enabled: true
+    components:
+      - "mon"
+      - "osd"
+    osd_devices:
+      - "/dev/sdb"
+      - "/dev/sdc"
+      - "/dev/sdd"
+
+  kafka:
+    enabled: false
+
+  mqtt:
+    enabled: false
+
+  dns:
+    enabled: false
diff --git a/configs/nodes/worker-01.yaml b/configs/nodes/worker-01.yaml
new file mode 100644
index 0000000..41575c5
--- /dev/null
+++ b/configs/nodes/worker-01.yaml
@@ -0,0 +1,35 @@
+node:
+  name: "worker-01"
+  hostname: "worker-01.cluster.local"
+  ip: "192.168.1.20"
+
+  roles:
+    - "worker"
+
+  hardware:
+    mac_addresses:
+      - "52:54:00:12:34:20"
+
+  resources:
+    cpu_cores: 16
+    memory_gb: 64
+    storage_gb: 1000
+
+services:
+  kubernetes:
+    enabled: true
+    type: "worker"
+    components:
+      - "kubelet"
+
+  ceph:
+    enabled: false
+
+  kafka:
+    enabled: false
+
+  mqtt:
+    enabled: false
+
+  dns:
+    enabled: false
diff --git a/configs/nodes/worker-02.yaml b/configs/nodes/worker-02.yaml
new file mode 100644
index 0000000..1cd8cce
--- /dev/null
+++ b/configs/nodes/worker-02.yaml
@@ -0,0 +1,44 @@
+node:
+  name: "worker-02"
+  hostname: "worker-02.cluster.local"
+  ip: "192.168.1.21"
+
+  roles:
+    - "worker"
+    - "ceph-osd"
+
+  hardware:
+    mac_addresses:
+      - "52:54:00:12:34:21"
+
+  resources:
+    cpu_cores: 16
+    memory_gb: 64
+    storage_gb: 2000
+
+  # Ceph OSD devices
+  ceph_devices:
+    - "/dev/sdb"
+
+services:
+  kubernetes:
+    enabled: true
+    type: "worker"
+    components:
+      - "kubelet"
+
+  ceph:
+    enabled: true
+    components:
+      - "osd"
+    osd_devices:
+      - "/dev/sdb"
+
+  kafka:
+    enabled: false
+
+  mqtt:
+    enabled: false
+
+  dns:
+    enabled: false
diff --git a/configs/services/ceph.yaml b/configs/services/ceph.yaml
new file mode 100644
index 0000000..bf7ac14
--- /dev/null
+++ b/configs/services/ceph.yaml
@@ -0,0 +1,38 @@
+service:
+  name: "ceph"
+  version: "17.2.6"  # Quincy
+  description: "Ceph distributed storage system"
+
+config:
+  cluster_name: "ceph"
+  fsid: "{{ cluster.ceph_fsid }}"  # Generated UUID for cluster
+
+  global:
+    mon_host: "192.168.1.40"
+    auth_cluster_required: "cephx"
+    auth_service_required: "cephx"
+    auth_client_required: "cephx"
+    public_network: "192.168.1.0/24"
+    cluster_network: "192.168.1.0/24"
+
+  mon:
+    mon_allow_pool_delete: false
+    mon_max_pg_per_osd: 300
+
+  osd:
+    osd_pool_default_size: 3
+    osd_pool_default_min_size: 2
+    osd_pool_default_pg_num: 128
+    osd_journal_size: 10240
+
+  mds:
+    mds_cache_memory_limit: 4294967296
+
+systemd:
+  mon_unit_file: "ceph-mon@.service"
+  osd_unit_file: "ceph-osd@.service"
+  mds_unit_file: "ceph-mds@.service"
+  after:
+    - "network-online.target"
+  restart_policy: "on-failure"
+  restart_sec: 30
diff --git a/configs/services/dns.yaml b/configs/services/dns.yaml
new file mode 100644
index 0000000..db16937
--- /dev/null
+++ b/configs/services/dns.yaml
@@ -0,0 +1,44 @@
+service:
+  name: "dns"
+  version: "1.11.1"
+  description: "CoreDNS for Kubernetes cluster DNS"
+  implementation: "coredns"
+
+config:
+  bind_address: "10.96.0.10"
+  port: 53
+
+  zones:
+    - name: "cluster.local"
+      type: "kubernetes"
+
+    - name: "."
+      type: "forward"
+      forward_to:
+        - "8.8.8.8"
+        - "8.8.4.4"
+
+  plugins:
+    - "errors"
+    - "health"
+    - "ready"
+    - "kubernetes"
+    - "prometheus"
+    - "forward"
+    - "cache"
+    - "loop"
+    - "reload"
+    - "loadbalance"
+
+  cache:
+    ttl: 30
+    max_size: 10000
+
+systemd:
+  unit_file: "coredns.service"
+  requires:
+    - "network-online.target"
+  after:
+    - "network-online.target"
+  restart_policy: "always"
+  restart_sec: 5
diff --git a/configs/services/kafka.yaml b/configs/services/kafka.yaml
new file mode 100644
index 0000000..1b1bece
--- /dev/null
+++ b/configs/services/kafka.yaml
@@ -0,0 +1,50 @@
+service:
+  name: "kafka"
+  version: "3.6.0"
+  description: "Apache Kafka distributed event streaming platform"
+
+config:
+  # KRaft mode (no Zookeeper)
+  mode: "kraft"
+
+  cluster_id: "{{ cluster.kafka_cluster_id }}"
+
+  broker:
+    broker_id: "{{ node.kafka_broker_id }}"
+    listeners: "PLAINTEXT://{{ node.ip }}:9092,CONTROLLER://{{ node.ip }}:9093"
+    advertised_listeners: "PLAINTEXT://{{ node.ip }}:9092"
+    controller_listener_names: "CONTROLLER"
+
+    log_dirs: "/var/lib/kafka/logs"
+    num_partitions: 3
+    default_replication_factor: 3
+    min_insync_replicas: 2
+
+    log_retention_hours: 168
+    log_retention_bytes: 1073741824
+    log_segment_bytes: 1073741824
+
+    auto_create_topics_enable: false
+    delete_topic_enable: true
+
+  controller:
+    quorum_voters: "1@192.168.1.30:9093"
+
+  performance:
+    num_network_threads: 8
+    num_io_threads: 8
+    socket_send_buffer_bytes: 102400
+    socket_receive_buffer_bytes: 102400
+    socket_request_max_bytes: 104857600
+
+systemd:
+  unit_file: "kafka.service"
+  requires:
+    - "network-online.target"
+  after:
+    - "network-online.target"
+  restart_policy: "always"
+  restart_sec: 10
+  environment:
+    KAFKA_HEAP_OPTS: "-Xmx2G -Xms2G"
+    KAFKA_JVM_PERFORMANCE_OPTS: "-XX:+UseG1GC -XX:MaxGCPauseMillis=20"
diff --git a/configs/services/kubernetes.yaml b/configs/services/kubernetes.yaml
new file mode 100644
index 0000000..197feba
--- /dev/null
+++ b/configs/services/kubernetes.yaml
@@ -0,0 +1,42 @@
+service:
+  name: "kubernetes"
+  version: "1.28.0"
+  description: "Kubernetes container orchestration"
+
+config:
+  api_server:
+    port: 6443
+    bind_address: "0.0.0.0"
+    advertise_address: "{{ node.ip }}"
+    enable_admission_plugins:
+      - "NodeRestriction"
+      - "PodSecurityPolicy"
+
+  kubelet:
+    cgroup_driver: "systemd"
+    container_runtime: "containerd"
+    container_runtime_endpoint: "unix:///run/containerd/containerd.sock"
+    pod_manifest_path: "/etc/kubernetes/manifests"
+
+  network:
+    plugin: "calico"
+    mtu: 1450
+
+  etcd:
+    data_dir: "/var/lib/etcd"
+    listen_client_urls: "https://{{ node.ip }}:2379"
+    listen_peer_urls: "https://{{ node.ip }}:2380"
+
+  feature_gates:
+    - "EphemeralContainers=true"
+    - "CSINodeExpandSecret=true"
+
+systemd:
+  unit_file: "kubelet.service"
+  requires:
+    - "containerd.service"
+  after:
+    - "containerd.service"
+    - "network-online.target"
+  restart_policy: "always"
+  restart_sec: 10
diff --git a/configs/services/mqtt.yaml b/configs/services/mqtt.yaml
new file mode 100644
index 0000000..5ff7686
--- /dev/null
+++ b/configs/services/mqtt.yaml
@@ -0,0 +1,38 @@
+service:
+  name: "mqtt"
+  version: "2.0.18"
+  description: "Mosquitto MQTT message broker"
+  implementation: "mosquitto"
+
+config:
+  listener:
+    port: 1883
+    bind_address: "{{ node.ip }}"
+    protocol: "mqtt"
+    max_connections: 10000
+
+  persistence:
+    enabled: true
+    location: "/var/lib/mosquitto"
+    autosave_interval: 300
+
+  logging:
+    log_type: "all"
+    log_dest: "syslog"
+    log_timestamp: true
+
+  security:
+    allow_anonymous: false
+    password_file: "/etc/mosquitto/passwd"
+    acl_file: "/etc/mosquitto/acl"
+
+  bridge:
+    # Optional: bridge to other MQTT brokers
+    enabled: false
+
+systemd:
+  unit_file: "mosquitto.service"
+  after:
+    - "network-online.target"
+  restart_policy: "always"
+  restart_sec: 5
diff --git a/spec.md b/spec.md
new file mode 100644
index 0000000..f8a11a7
--- /dev/null
+++ b/spec.md
@@ -0,0 +1,26 @@
+# Spawning a Kubernetes Cluster from SystemD
+
+##### Overview:
+    the idea of this program is to establish a linux operating system that basically boots into being one functioning node of a kubernetes cluster. it uses the configs in its disk storage to know its node label/category, if it's a master, a kafka coordinator, etc. 
+    the user configures each system component, down the applications running in each OCI container, generates an iso, installs it to each node of the cluster, boots, ...??, profit!
+
+## First-time boot: (install)
+
+    * write filesystem (which daemons to run, given the host (cluster node). configs for the various daemons. etc
+
+## Normal boot:
+
+#### start the following systemd services
+    - kubernetes
+    - ceph (or other distributed storage system)
+    - dns
+    - kafka
+    - mqtt
+    -
+    -
+#### service-specific behavior
+    - kubernetes
+        - data-pipeline services (e.g. use kafka messaging, springboot, rabbitmq, nginx)
+        - monitoring, logging, tracing, observability
+    - ceph
+    
diff --git a/systemd/ceph-mon.target b/systemd/ceph-mon.target
new file mode 100644
index 0000000..9697b9b
--- /dev/null
+++ b/systemd/ceph-mon.target
@@ -0,0 +1,11 @@
+[Unit]
+Description=Ceph Monitor Node
+Documentation=https://docs.ceph.com/
+Requires=network-online.target
+After=network-online.target cluster-detect.service
+
+# Ceph monitor service (instance will be determined by node name)
+Wants=ceph-mon@.service
+
+[Install]
+WantedBy=multi-user.target
diff --git a/systemd/ceph-mon@.service b/systemd/ceph-mon@.service
new file mode 100644
index 0000000..ac471ec
--- /dev/null
+++ b/systemd/ceph-mon@.service
@@ -0,0 +1,31 @@
+[Unit]
+Description=Ceph Monitor daemon (mon.%i)
+Documentation=https://docs.ceph.com/
+PartOf=ceph-mon.target
+After=network-online.target local-fs.target time-sync.target cluster-detect.service
+Wants=network-online.target local-fs.target time-sync.target
+
+[Service]
+Type=notify
+EnvironmentFile=/etc/cluster-config/environment/ceph.env
+ExecStartPre=/usr/local/bin/ceph-mon-init.sh %i
+ExecStart=/usr/bin/ceph-mon -f --cluster ceph --id %i --setuser ceph --setgroup ceph
+ExecReload=/bin/kill -HUP $MAINPID
+
+# Resource management
+LimitNOFILE=1048576
+LimitNPROC=1048576
+
+Restart=on-failure
+RestartSec=10
+StartLimitInterval=30min
+StartLimitBurst=3
+
+# Security
+NoNewPrivileges=true
+ProtectHome=true
+ProtectSystem=full
+PrivateTmp=true
+
+[Install]
+WantedBy=ceph-mon.target
diff --git a/systemd/ceph-osd.target b/systemd/ceph-osd.target
new file mode 100644
index 0000000..79c5353
--- /dev/null
+++ b/systemd/ceph-osd.target
@@ -0,0 +1,11 @@
+[Unit]
+Description=Ceph OSD Node
+Documentation=https://docs.ceph.com/
+Requires=network-online.target
+After=network-online.target cluster-detect.service
+
+# OSD services will be started per-device
+# Wants=ceph-osd@0.service (dynamically added based on node config)
+
+[Install]
+WantedBy=multi-user.target
diff --git a/systemd/ceph-osd@.service b/systemd/ceph-osd@.service
new file mode 100644
index 0000000..27c52e3
--- /dev/null
+++ b/systemd/ceph-osd@.service
@@ -0,0 +1,31 @@
+[Unit]
+Description=Ceph OSD daemon (osd.%i)
+Documentation=https://docs.ceph.com/
+PartOf=ceph-osd.target
+After=network-online.target local-fs.target time-sync.target cluster-detect.service
+Wants=network-online.target local-fs.target time-sync.target
+
+[Service]
+Type=notify
+EnvironmentFile=/etc/cluster-config/environment/ceph.env
+ExecStartPre=/usr/local/bin/ceph-osd-init.sh %i
+ExecStart=/usr/bin/ceph-osd -f --cluster ceph --id %i --setuser ceph --setgroup ceph
+ExecStartPost=/usr/bin/ceph osd crush create-or-move -- %i ${OSD_WEIGHT} root=default host=$(hostname -s)
+
+# Resource management
+LimitNOFILE=1048576
+LimitNPROC=1048576
+
+Restart=on-failure
+RestartSec=10
+StartLimitInterval=30min
+StartLimitBurst=5
+
+# Security
+NoNewPrivileges=true
+ProtectHome=true
+ProtectSystem=full
+PrivateTmp=true
+
+[Install]
+WantedBy=ceph-osd.target
diff --git a/systemd/cluster-detect.service b/systemd/cluster-detect.service
new file mode 100644
index 0000000..b9d85c4
--- /dev/null
+++ b/systemd/cluster-detect.service
@@ -0,0 +1,33 @@
+[Unit]
+Description=Cluster Node Identity Detection
+Documentation=man:cluster-detect(8)
+# Must run very early, before any cluster services
+DefaultDependencies=no
+After=local-fs.target
+Before=network-pre.target sysinit.target
+Wants=local-fs.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+
+# Configuration directory (will be /etc/cluster-config on installed system)
+Environment=CONFIG_DIR=/etc/cluster-config
+
+ExecStart=/usr/local/bin/cluster-detect.sh
+
+# Logging
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=cluster-detect
+
+# Security hardening
+# (Relaxed for now since it needs to modify /etc/cluster-config)
+NoNewPrivileges=true
+ProtectHome=true
+ProtectKernelTunables=true
+ProtectKernelModules=true
+ProtectControlGroups=true
+
+[Install]
+WantedBy=sysinit.target
diff --git a/systemd/containerd.service b/systemd/containerd.service
new file mode 100644
index 0000000..6d31694
--- /dev/null
+++ b/systemd/containerd.service
@@ -0,0 +1,31 @@
+[Unit]
+Description=containerd container runtime
+Documentation=https://containerd.io
+After=network.target local-fs.target
+
+[Service]
+Type=notify
+ExecStartPre=-/sbin/modprobe overlay
+ExecStart=/usr/bin/containerd
+
+Restart=always
+RestartSec=5
+
+# Having non-zero Limit*s causes performance problems due to accounting overhead
+# in the kernel. We recommend using cgroups to do container-local accounting.
+LimitNPROC=infinity
+LimitCORE=infinity
+LimitNOFILE=infinity
+
+# Comment TasksMax if your systemd version does not support it.
+# Only systemd 226 and above support this option.
+TasksMax=infinity
+
+# Set delegate yes so that systemd does not reset the cgroups of docker containers
+Delegate=yes
+
+# Kill only the containerd process, not all processes in the cgroup
+KillMode=process
+
+[Install]
+WantedBy=multi-user.target
diff --git a/systemd/coredns.service b/systemd/coredns.service
new file mode 100644
index 0000000..5bb725d
--- /dev/null
+++ b/systemd/coredns.service
@@ -0,0 +1,31 @@
+[Unit]
+Description=CoreDNS DNS server
+Documentation=https://coredns.io/manual/toc/
+After=network-online.target kubernetes-master.target cluster-detect.service
+Wants=network-online.target
+
+[Service]
+Type=simple
+User=coredns
+Group=coredns
+EnvironmentFile=/etc/cluster-config/environment/coredns.env
+ExecStartPre=/usr/local/bin/coredns-config-generator.sh
+ExecStart=/usr/bin/coredns -conf /etc/coredns/Corefile
+ExecReload=/bin/kill -SIGUSR1 $MAINPID
+
+Restart=always
+RestartSec=5
+
+# Security
+CapabilityBoundingSet=CAP_NET_BIND_SERVICE
+AmbientCapabilities=CAP_NET_BIND_SERVICE
+NoNewPrivileges=true
+ProtectHome=true
+ProtectSystem=strict
+ReadWritePaths=/var/lib/coredns
+PrivateTmp=true
+
+LimitNOFILE=8192
+
+[Install]
+WantedBy=dns.target
diff --git a/systemd/dns.target b/systemd/dns.target
new file mode 100644
index 0000000..37c874f
--- /dev/null
+++ b/systemd/dns.target
@@ -0,0 +1,10 @@
+[Unit]
+Description=Cluster DNS Server
+Documentation=https://coredns.io/
+Requires=network-online.target
+After=network-online.target cluster-detect.service kubernetes-master.target
+
+Wants=coredns.service
+
+[Install]
+WantedBy=multi-user.target
diff --git a/systemd/etcd.service b/systemd/etcd.service
new file mode 100644
index 0000000..831d3eb
--- /dev/null
+++ b/systemd/etcd.service
@@ -0,0 +1,45 @@
+[Unit]
+Description=etcd key-value store
+Documentation=https://etcd.io/docs/
+After=network.target cluster-detect.service
+Before=kube-apiserver.service
+
+[Service]
+Type=notify
+EnvironmentFile=/etc/cluster-config/environment/etcd.env
+ExecStartPre=/usr/local/bin/etcd-config-generator.sh
+ExecStart=/usr/bin/etcd \
+  --name=${ETCD_NAME} \
+  --data-dir=/var/lib/etcd \
+  --listen-client-urls=https://${NODE_IP}:2379,https://127.0.0.1:2379 \
+  --advertise-client-urls=https://${NODE_IP}:2379 \
+  --listen-peer-urls=https://${NODE_IP}:2380 \
+  --initial-advertise-peer-urls=https://${NODE_IP}:2380 \
+  --initial-cluster=${ETCD_INITIAL_CLUSTER} \
+  --initial-cluster-token=etcd-cluster \
+  --initial-cluster-state=new \
+  --cert-file=/etc/kubernetes/pki/etcd/server.crt \
+  --key-file=/etc/kubernetes/pki/etcd/server.key \
+  --peer-cert-file=/etc/kubernetes/pki/etcd/peer.crt \
+  --peer-key-file=/etc/kubernetes/pki/etcd/peer.key \
+  --trusted-ca-file=/etc/kubernetes/pki/etcd/ca.crt \
+  --peer-trusted-ca-file=/etc/kubernetes/pki/etcd/ca.crt \
+  --peer-client-cert-auth \
+  --client-cert-auth \
+  --snapshot-count=10000 \
+  --heartbeat-interval=100 \
+  --election-timeout=1000
+
+Restart=always
+RestartSec=10
+
+# Security
+NoNewPrivileges=true
+ProtectHome=true
+ProtectSystem=strict
+ReadWritePaths=/var/lib/etcd
+
+LimitNOFILE=65536
+
+[Install]
+WantedBy=kubernetes-master.target
diff --git a/systemd/kafka.service b/systemd/kafka.service
new file mode 100644
index 0000000..c6fe3e9
--- /dev/null
+++ b/systemd/kafka.service
@@ -0,0 +1,34 @@
+[Unit]
+Description=Apache Kafka Broker (KRaft mode)
+Documentation=https://kafka.apache.org/documentation/
+After=network-online.target cluster-detect.service
+Wants=network-online.target
+
+[Service]
+Type=simple
+User=kafka
+Group=kafka
+EnvironmentFile=/etc/cluster-config/environment/kafka.env
+Environment="KAFKA_HEAP_OPTS=-Xmx2G -Xms2G"
+Environment="KAFKA_JVM_PERFORMANCE_OPTS=-XX:+UseG1GC -XX:MaxGCPauseMillis=20 -XX:InitiatingHeapOccupancyPercent=35 -XX:G1HeapRegionSize=16M -XX:MinMetaspaceFreeRatio=50 -XX:MaxMetaspaceFreeRatio=80"
+
+ExecStartPre=/usr/local/bin/kafka-config-generator.sh
+ExecStart=/opt/kafka/bin/kafka-server-start.sh /var/lib/kafka/server.properties
+
+# Graceful shutdown
+TimeoutStopSec=180
+SuccessExitStatus=143
+
+Restart=always
+RestartSec=10
+
+# Security
+NoNewPrivileges=true
+ProtectHome=true
+ProtectSystem=strict
+ReadWritePaths=/var/lib/kafka /var/log/kafka
+
+LimitNOFILE=100000
+
+[Install]
+WantedBy=kafka.target
diff --git a/systemd/kafka.target b/systemd/kafka.target
new file mode 100644
index 0000000..ea8eb43
--- /dev/null
+++ b/systemd/kafka.target
@@ -0,0 +1,10 @@
+[Unit]
+Description=Apache Kafka Broker
+Documentation=https://kafka.apache.org/documentation/
+Requires=network-online.target
+After=network-online.target cluster-detect.service
+
+Wants=kafka.service
+
+[Install]
+WantedBy=multi-user.target
diff --git a/systemd/kube-apiserver.service b/systemd/kube-apiserver.service
new file mode 100644
index 0000000..7e4f2c6
--- /dev/null
+++ b/systemd/kube-apiserver.service
@@ -0,0 +1,46 @@
+[Unit]
+Description=Kubernetes API Server
+Documentation=https://kubernetes.io/docs/reference/command-line-tools-reference/kube-apiserver/
+After=network.target etcd.service cluster-detect.service
+Wants=etcd.service
+
+[Service]
+Type=notify
+EnvironmentFile=/etc/cluster-config/environment/kube-apiserver.env
+ExecStartPre=/usr/local/bin/kube-apiserver-config-generator.sh
+ExecStart=/usr/bin/kube-apiserver \
+  --advertise-address=${NODE_IP} \
+  --allow-privileged=true \
+  --authorization-mode=Node,RBAC \
+  --client-ca-file=/etc/kubernetes/pki/ca.crt \
+  --enable-admission-plugins=NodeRestriction \
+  --enable-bootstrap-token-auth=true \
+  --etcd-servers=https://127.0.0.1:2379 \
+  --etcd-cafile=/etc/kubernetes/pki/etcd/ca.crt \
+  --etcd-certfile=/etc/kubernetes/pki/apiserver-etcd-client.crt \
+  --etcd-keyfile=/etc/kubernetes/pki/apiserver-etcd-client.key \
+  --kubelet-client-certificate=/etc/kubernetes/pki/apiserver-kubelet-client.crt \
+  --kubelet-client-key=/etc/kubernetes/pki/apiserver-kubelet-client.key \
+  --kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname \
+  --proxy-client-cert-file=/etc/kubernetes/pki/front-proxy-client.crt \
+  --proxy-client-key-file=/etc/kubernetes/pki/front-proxy-client.key \
+  --requestheader-allowed-names=front-proxy-client \
+  --requestheader-client-ca-file=/etc/kubernetes/pki/front-proxy-ca.crt \
+  --requestheader-extra-headers-prefix=X-Remote-Extra- \
+  --requestheader-group-headers=X-Remote-Group \
+  --requestheader-username-headers=X-Remote-User \
+  --secure-port=6443 \
+  --service-account-issuer=https://kubernetes.default.svc.cluster.local \
+  --service-account-key-file=/etc/kubernetes/pki/sa.pub \
+  --service-account-signing-key-file=/etc/kubernetes/pki/sa.key \
+  --service-cluster-ip-range=${SERVICE_CIDR} \
+  --tls-cert-file=/etc/kubernetes/pki/apiserver.crt \
+  --tls-private-key-file=/etc/kubernetes/pki/apiserver.key
+
+Restart=always
+RestartSec=10
+
+LimitNOFILE=65536
+
+[Install]
+WantedBy=kubernetes-master.target
diff --git a/systemd/kube-controller-manager.service b/systemd/kube-controller-manager.service
new file mode 100644
index 0000000..d3a54ed
--- /dev/null
+++ b/systemd/kube-controller-manager.service
@@ -0,0 +1,33 @@
+[Unit]
+Description=Kubernetes Controller Manager
+Documentation=https://kubernetes.io/docs/reference/command-line-tools-reference/kube-controller-manager/
+After=kube-apiserver.service
+Wants=kube-apiserver.service
+
+[Service]
+Type=notify
+EnvironmentFile=/etc/cluster-config/environment/kube-controller-manager.env
+ExecStart=/usr/bin/kube-controller-manager \
+  --allocate-node-cidrs=true \
+  --authentication-kubeconfig=/etc/kubernetes/controller-manager.conf \
+  --authorization-kubeconfig=/etc/kubernetes/controller-manager.conf \
+  --bind-address=127.0.0.1 \
+  --client-ca-file=/etc/kubernetes/pki/ca.crt \
+  --cluster-cidr=${POD_CIDR} \
+  --cluster-name=kubernetes \
+  --cluster-signing-cert-file=/etc/kubernetes/pki/ca.crt \
+  --cluster-signing-key-file=/etc/kubernetes/pki/ca.key \
+  --controllers=*,bootstrapsigner,tokencleaner \
+  --kubeconfig=/etc/kubernetes/controller-manager.conf \
+  --leader-elect=true \
+  --requestheader-client-ca-file=/etc/kubernetes/pki/front-proxy-ca.crt \
+  --root-ca-file=/etc/kubernetes/pki/ca.crt \
+  --service-account-private-key-file=/etc/kubernetes/pki/sa.key \
+  --service-cluster-ip-range=${SERVICE_CIDR} \
+  --use-service-account-credentials=true
+
+Restart=always
+RestartSec=10
+
+[Install]
+WantedBy=kubernetes-master.target
diff --git a/systemd/kube-scheduler.service b/systemd/kube-scheduler.service
new file mode 100644
index 0000000..d2c575c
--- /dev/null
+++ b/systemd/kube-scheduler.service
@@ -0,0 +1,20 @@
+[Unit]
+Description=Kubernetes Scheduler
+Documentation=https://kubernetes.io/docs/reference/command-line-tools-reference/kube-scheduler/
+After=kube-apiserver.service
+Wants=kube-apiserver.service
+
+[Service]
+Type=notify
+ExecStart=/usr/bin/kube-scheduler \
+  --authentication-kubeconfig=/etc/kubernetes/scheduler.conf \
+  --authorization-kubeconfig=/etc/kubernetes/scheduler.conf \
+  --bind-address=127.0.0.1 \
+  --kubeconfig=/etc/kubernetes/scheduler.conf \
+  --leader-elect=true
+
+Restart=always
+RestartSec=10
+
+[Install]
+WantedBy=kubernetes-master.target
diff --git a/systemd/kubelet.service b/systemd/kubelet.service
new file mode 100644
index 0000000..46be849
--- /dev/null
+++ b/systemd/kubelet.service
@@ -0,0 +1,29 @@
+[Unit]
+Description=Kubernetes Kubelet
+Documentation=https://kubernetes.io/docs/concepts/overview/components/#kubelet
+After=containerd.service network-online.target cluster-detect.service
+Requires=containerd.service
+Wants=network-online.target
+
+[Service]
+Type=notify
+EnvironmentFile=/etc/cluster-config/environment/kubelet.env
+ExecStartPre=/usr/local/bin/kubelet-config-generator.sh
+ExecStart=/usr/bin/kubelet \
+  --config=/var/lib/kubelet/config.yaml \
+  --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
+  --kubeconfig=/etc/kubernetes/kubelet.conf \
+  --node-ip=${NODE_IP}
+
+Restart=always
+RestartSec=10
+
+# Resource limits
+LimitNOFILE=65536
+LimitNPROC=4096
+
+# Security
+NoNewPrivileges=false
+
+[Install]
+WantedBy=kubernetes-master.target kubernetes-worker.target
diff --git a/systemd/kubernetes-master.target b/systemd/kubernetes-master.target
new file mode 100644
index 0000000..ebb024d
--- /dev/null
+++ b/systemd/kubernetes-master.target
@@ -0,0 +1,16 @@
+[Unit]
+Description=Kubernetes Master/Control Plane Node
+Documentation=https://kubernetes.io/docs/
+Requires=network-online.target
+After=network-online.target cluster-detect.service
+Wants=containerd.service
+
+# Master components
+Wants=kubelet.service
+Wants=kube-apiserver.service
+Wants=kube-controller-manager.service
+Wants=kube-scheduler.service
+Wants=etcd.service
+
+[Install]
+WantedBy=multi-user.target
diff --git a/systemd/kubernetes-worker.target b/systemd/kubernetes-worker.target
new file mode 100644
index 0000000..59ccefc
--- /dev/null
+++ b/systemd/kubernetes-worker.target
@@ -0,0 +1,12 @@
+[Unit]
+Description=Kubernetes Worker Node
+Documentation=https://kubernetes.io/docs/
+Requires=network-online.target
+After=network-online.target cluster-detect.service
+Wants=containerd.service
+
+# Worker components
+Wants=kubelet.service
+
+[Install]
+WantedBy=multi-user.target
diff --git a/systemd/mosquitto.service b/systemd/mosquitto.service
new file mode 100644
index 0000000..2eff1d4
--- /dev/null
+++ b/systemd/mosquitto.service
@@ -0,0 +1,28 @@
+[Unit]
+Description=Mosquitto MQTT Broker
+Documentation=man:mosquitto.conf(5) man:mosquitto(8)
+After=network-online.target cluster-detect.service
+Wants=network-online.target
+
+[Service]
+Type=notify
+NotifyAccess=main
+User=mosquitto
+Group=mosquitto
+EnvironmentFile=/etc/cluster-config/environment/mqtt.env
+ExecStartPre=/usr/local/bin/mosquitto-config-generator.sh
+ExecStart=/usr/sbin/mosquitto -c /etc/mosquitto/mosquitto.conf
+ExecReload=/bin/kill -HUP $MAINPID
+
+Restart=always
+RestartSec=5
+
+# Security
+NoNewPrivileges=true
+ProtectHome=true
+ProtectSystem=strict
+ReadWritePaths=/var/lib/mosquitto
+PrivateTmp=true
+
+[Install]
+WantedBy=mqtt.target
diff --git a/systemd/mqtt.target b/systemd/mqtt.target
new file mode 100644
index 0000000..6396402
--- /dev/null
+++ b/systemd/mqtt.target
@@ -0,0 +1,10 @@
+[Unit]
+Description=MQTT Message Broker
+Documentation=https://mosquitto.org/
+Requires=network-online.target
+After=network-online.target cluster-detect.service
+
+Wants=mosquitto.service
+
+[Install]
+WantedBy=multi-user.target
diff --git a/tools/ceph-mon-init.sh b/tools/ceph-mon-init.sh
new file mode 100755
index 0000000..af24ac5
--- /dev/null
+++ b/tools/ceph-mon-init.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+#
+# Initialize Ceph Monitor
+#
+
+set -euo pipefail
+
+MON_ID="$1"
+MON_DIR="/var/lib/ceph/mon/ceph-${MON_ID}"
+
+# Create monitor directory
+mkdir -p "$MON_DIR"
+
+# Check if already initialized
+if [ -f "$MON_DIR/done" ]; then
+    echo "Ceph monitor $MON_ID already initialized"
+    exit 0
+fi
+
+echo "TODO: Initialize Ceph monitor $MON_ID"
+echo "This requires:"
+echo "  - Cluster FSID"
+echo "  - Monitor map"
+echo "  - Monitor keyring"
+echo "  - Admin keyring"
+
+# For now, just create the directory
+chown -R ceph:ceph "$MON_DIR" 2>/dev/null || true
+
+# Mark as initialized (TODO: remove when actual init is implemented)
+# touch "$MON_DIR/done"
diff --git a/tools/ceph-osd-init.sh b/tools/ceph-osd-init.sh
new file mode 100755
index 0000000..97ae412
--- /dev/null
+++ b/tools/ceph-osd-init.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+#
+# Initialize Ceph OSD
+#
+
+set -euo pipefail
+
+OSD_ID="$1"
+OSD_DIR="/var/lib/ceph/osd/ceph-${OSD_ID}"
+
+# Create OSD directory
+mkdir -p "$OSD_DIR"
+
+# Check if already initialized
+if [ -f "$OSD_DIR/ready" ]; then
+    echo "Ceph OSD $OSD_ID already initialized"
+    exit 0
+fi
+
+echo "TODO: Initialize Ceph OSD $OSD_ID"
+echo "This requires:"
+echo "  - Device preparation"
+echo "  - OSD keyring"
+echo "  - OSD filesystem creation"
+echo "  - OSD ID assignment"
+
+# For now, just create the directory
+chown -R ceph:ceph "$OSD_DIR" 2>/dev/null || true
+
+# Mark as initialized (TODO: remove when actual init is implemented)
+# touch "$OSD_DIR/ready"
diff --git a/tools/cluster-activate-roles.sh b/tools/cluster-activate-roles.sh
new file mode 100755
index 0000000..671c854
--- /dev/null
+++ b/tools/cluster-activate-roles.sh
@@ -0,0 +1,121 @@
+#!/bin/bash
+#
+# Cluster Role Activation Script
+#
+# Reads the detected node configuration and enables appropriate systemd
+# targets based on the node's roles.
+#
+# Called by cluster-detect.service after node detection is complete.
+#
+
+set -euo pipefail
+
+CONFIG_DIR="${CONFIG_DIR:-/etc/cluster-config}"
+CURRENT_NODE_FILE="$CONFIG_DIR/current-node.yaml"
+NODE_IDENTITY_FILE="$CONFIG_DIR/node-identity"
+
+log() {
+    echo "[cluster-activate] $*" | systemd-cat -t cluster-activate -p info
+    echo "[cluster-activate] $*"
+}
+
+error() {
+    echo "[cluster-activate] ERROR: $*" | systemd-cat -t cluster-activate -p err
+    echo "[cluster-activate] ERROR: $*" >&2
+}
+
+# Extract roles from node config (simple grep-based YAML parser)
+get_roles() {
+    grep -A 20 "roles:" "$CURRENT_NODE_FILE" | grep -E '^\s+- ' | sed 's/.*- "\?\([^"]*\)"\?/\1/'
+}
+
+# Map roles to systemd targets
+role_to_target() {
+    local role="$1"
+
+    case "$role" in
+        master|control-plane)
+            echo "kubernetes-master.target"
+            ;;
+        worker)
+            echo "kubernetes-worker.target"
+            ;;
+        kafka-broker|kafka-controller)
+            echo "kafka.target"
+            ;;
+        ceph-mon)
+            echo "ceph-mon.target"
+            ;;
+        ceph-osd)
+            echo "ceph-osd.target"
+            ;;
+        ceph-mds)
+            echo "ceph-mds.target"
+            ;;
+        mqtt-broker)
+            echo "mqtt.target"
+            ;;
+        dns-server)
+            echo "dns.target"
+            ;;
+        *)
+            log "Unknown role: $role"
+            echo ""
+            ;;
+    esac
+}
+
+main() {
+    log "Activating systemd targets based on node roles..."
+
+    if [ ! -f "$CURRENT_NODE_FILE" ]; then
+        error "Current node config not found: $CURRENT_NODE_FILE"
+        exit 1
+    fi
+
+    if [ ! -f "$NODE_IDENTITY_FILE" ]; then
+        error "Node identity file not found: $NODE_IDENTITY_FILE"
+        exit 1
+    fi
+
+    local node_name=$(cat "$NODE_IDENTITY_FILE")
+    log "Node identity: $node_name"
+
+    local roles=$(get_roles)
+
+    if [ -z "$roles" ]; then
+        error "No roles found in node configuration"
+        exit 1
+    fi
+
+    log "Node roles: $(echo $roles | tr '\n' ' ')"
+
+    # Enable and start targets for each role
+    local targets=()
+
+    for role in $roles; do
+        local target=$(role_to_target "$role")
+
+        if [ -n "$target" ]; then
+            targets+=("$target")
+            log "Role '$role' -> $target"
+        fi
+    done
+
+    # Enable targets (persist across reboots)
+    for target in "${targets[@]}"; do
+        log "Enabling $target..."
+        systemctl enable "$target" || log "Warning: failed to enable $target"
+    done
+
+    # Start targets
+    for target in "${targets[@]}"; do
+        log "Starting $target..."
+        systemctl start "$target" || log "Warning: failed to start $target"
+    done
+
+    log "Role activation complete"
+    exit 0
+}
+
+main "$@"
diff --git a/tools/cluster-detect.sh b/tools/cluster-detect.sh
new file mode 100755
index 0000000..2b77e63
--- /dev/null
+++ b/tools/cluster-detect.sh
@@ -0,0 +1,262 @@
+#!/bin/bash
+#
+# Cluster Node Detection Script
+#
+# This script identifies which node this system is by comparing hardware
+# identifiers (MAC addresses, IP addresses, etc.) against the cluster config.
+#
+# Executed by cluster-detect.service early in the boot process.
+#
+
+set -euo pipefail
+
+CONFIG_DIR="${CONFIG_DIR:-/etc/cluster-config}"
+CLUSTER_CONFIG="$CONFIG_DIR/cluster.yaml"
+NODES_DIR="$CONFIG_DIR/nodes"
+CURRENT_NODE_FILE="$CONFIG_DIR/current-node.yaml"
+NODE_IDENTITY_FILE="$CONFIG_DIR/node-identity"
+
+log() {
+    echo "[cluster-detect] $*" | systemd-cat -t cluster-detect -p info
+    echo "[cluster-detect] $*"
+}
+
+error() {
+    echo "[cluster-detect] ERROR: $*" | systemd-cat -t cluster-detect -p err
+    echo "[cluster-detect] ERROR: $*" >&2
+}
+
+# Get all MAC addresses on this system
+get_mac_addresses() {
+    ip link show | grep -E 'link/ether' | awk '{print $2}' | sort
+}
+
+# Get primary IP address (first non-loopback)
+get_ip_address() {
+    ip -4 addr show | grep -oP '(?<=inet\s)\d+(\.\d+){3}' | grep -v '^127\.' | head -1
+}
+
+# Get hostname
+get_hostname() {
+    hostname
+}
+
+# Parse YAML to extract MAC addresses for a node config
+# This is a simple grep-based parser - for production use a proper YAML parser
+get_node_macs() {
+    local node_file="$1"
+    grep -A 10 "mac_addresses:" "$node_file" | grep -E '^\s+- ' | sed 's/.*- "\(.*\)"/\1/' | sed 's/.*- \(.*\)/\1/'
+}
+
+# Get node IP from config
+get_node_ip() {
+    local node_file="$1"
+    grep "ip:" "$node_file" | head -1 | sed 's/.*ip: *"\?\([^"]*\)"\?/\1/'
+}
+
+# Get node hostname from config
+get_node_hostname() {
+    local node_file="$1"
+    grep "hostname:" "$node_file" | head -1 | sed 's/.*hostname: *"\?\([^"]*\)"\?/\1/'
+}
+
+# Detect node by MAC address
+detect_by_mac() {
+    log "Attempting detection by MAC address..."
+
+    local system_macs=$(get_mac_addresses)
+    log "System MAC addresses: $(echo $system_macs | tr '\n' ' ')"
+
+    for node_file in "$NODES_DIR"/*.yaml; do
+        [ -f "$node_file" ] || continue
+
+        local node_name=$(basename "$node_file" .yaml)
+        local node_macs=$(get_node_macs "$node_file")
+
+        # Check if any system MAC matches any node MAC
+        for sys_mac in $system_macs; do
+            for node_mac in $node_macs; do
+                if [ "$sys_mac" = "$node_mac" ]; then
+                    log "Matched MAC $sys_mac to node $node_name"
+                    echo "$node_name"
+                    return 0
+                fi
+            done
+        done
+    done
+
+    return 1
+}
+
+# Detect node by IP address
+detect_by_ip() {
+    log "Attempting detection by IP address..."
+
+    local system_ip=$(get_ip_address)
+
+    if [ -z "$system_ip" ]; then
+        log "No IP address assigned yet"
+        return 1
+    fi
+
+    log "System IP address: $system_ip"
+
+    for node_file in "$NODES_DIR"/*.yaml; do
+        [ -f "$node_file" ] || continue
+
+        local node_name=$(basename "$node_file" .yaml)
+        local node_ip=$(get_node_ip "$node_file")
+
+        if [ "$system_ip" = "$node_ip" ]; then
+            log "Matched IP $system_ip to node $node_name"
+            echo "$node_name"
+            return 0
+        fi
+    done
+
+    return 1
+}
+
+# Detect node by hostname
+detect_by_hostname() {
+    log "Attempting detection by hostname..."
+
+    local system_hostname=$(get_hostname)
+    log "System hostname: $system_hostname"
+
+    for node_file in "$NODES_DIR"/*.yaml; do
+        [ -f "$node_file" ] || continue
+
+        local node_name=$(basename "$node_file" .yaml)
+        local node_hostname=$(get_node_hostname "$node_file")
+
+        # Match either the full hostname or just the node name
+        if [ "$system_hostname" = "$node_hostname" ] || [ "$system_hostname" = "$node_name" ]; then
+            log "Matched hostname $system_hostname to node $node_name"
+            echo "$node_name"
+            return 0
+        fi
+    done
+
+    return 1
+}
+
+# Interactive selection (fallback)
+interactive_select() {
+    log "Automatic detection failed, requiring interactive selection"
+
+    echo
+    echo "====================================="
+    echo " Cluster Node Identity Selection"
+    echo "====================================="
+    echo
+    echo "Could not automatically detect which node this is."
+    echo "Please select from the available nodes:"
+    echo
+
+    local nodes=()
+    local i=1
+
+    for node_file in "$NODES_DIR"/*.yaml; do
+        [ -f "$node_file" ] || continue
+        local node_name=$(basename "$node_file" .yaml)
+        nodes+=("$node_name")
+        echo "  $i) $node_name"
+        i=$((i + 1))
+    done
+
+    echo
+    read -p "Enter number (1-${#nodes[@]}): " selection
+
+    if [ "$selection" -ge 1 ] && [ "$selection" -le "${#nodes[@]}" ]; then
+        local selected_node="${nodes[$((selection - 1))]}"
+        log "User selected node: $selected_node"
+        echo "$selected_node"
+        return 0
+    else
+        error "Invalid selection"
+        return 1
+    fi
+}
+
+# Main detection logic
+detect_node() {
+    local detected_node=""
+
+    # Try detection methods in order
+    detected_node=$(detect_by_mac) || \
+    detected_node=$(detect_by_ip) || \
+    detected_node=$(detect_by_hostname) || \
+    detected_node=$(interactive_select)
+
+    if [ -n "$detected_node" ]; then
+        echo "$detected_node"
+        return 0
+    else
+        error "Failed to detect node identity"
+        return 1
+    fi
+}
+
+# Main
+main() {
+    log "Starting cluster node detection..."
+
+    # Check if already detected
+    if [ -f "$NODE_IDENTITY_FILE" ]; then
+        local existing_node=$(cat "$NODE_IDENTITY_FILE")
+        log "Node already identified as: $existing_node"
+        log "Skipping detection (remove $NODE_IDENTITY_FILE to re-detect)"
+        exit 0
+    fi
+
+    # Validate config directory exists
+    if [ ! -d "$CONFIG_DIR" ]; then
+        error "Config directory not found: $CONFIG_DIR"
+        exit 1
+    fi
+
+    if [ ! -d "$NODES_DIR" ]; then
+        error "Nodes directory not found: $NODES_DIR"
+        exit 1
+    fi
+
+    # Detect node
+    detected_node=$(detect_node)
+
+    if [ -z "$detected_node" ]; then
+        error "Node detection failed"
+        exit 1
+    fi
+
+    log "Detected node: $detected_node"
+
+    # Create symlink or copy to current-node.yaml
+    local node_config="$NODES_DIR/$detected_node.yaml"
+
+    if [ ! -f "$node_config" ]; then
+        error "Node config not found: $node_config"
+        exit 1
+    fi
+
+    log "Linking $node_config -> $CURRENT_NODE_FILE"
+    ln -sf "$node_config" "$CURRENT_NODE_FILE"
+
+    # Write identity file
+    echo "$detected_node" > "$NODE_IDENTITY_FILE"
+
+    log "Node detection complete: $detected_node"
+    log "Config available at: $CURRENT_NODE_FILE"
+
+    # Generate environment files for services
+    log "Generating environment files..."
+    /usr/local/bin/generate-environment-files.sh || log "Warning: environment file generation failed"
+
+    # Activate systemd targets based on node roles
+    log "Activating node roles..."
+    /usr/local/bin/cluster-activate-roles.sh || log "Warning: role activation script failed"
+
+    exit 0
+}
+
+main "$@"
diff --git a/tools/coredns-config-generator.sh b/tools/coredns-config-generator.sh
new file mode 100755
index 0000000..d61d879
--- /dev/null
+++ b/tools/coredns-config-generator.sh
@@ -0,0 +1,51 @@
+#!/bin/bash
+#
+# Generate CoreDNS Corefile configuration
+#
+
+set -euo pipefail
+
+CONFIG_DIR="${CONFIG_DIR:-/etc/cluster-config}"
+COREDNS_DIR="/etc/coredns"
+COREFILE="$COREDNS_DIR/Corefile"
+
+mkdir -p "$COREDNS_DIR"
+
+# Generate Corefile
+cat > "$COREFILE" <<'EOF'
+# CoreDNS Configuration for Kubernetes
+
+cluster.local:53 {
+    errors
+    health {
+        lameduck 5s
+    }
+    ready
+    kubernetes cluster.local in-addr.arpa ip6.arpa {
+        pods insecure
+        fallthrough in-addr.arpa ip6.arpa
+        ttl 30
+    }
+    prometheus :9153
+    forward . /etc/resolv.conf {
+        max_concurrent 1000
+    }
+    cache 30
+    loop
+    reload
+    loadbalance
+}
+
+.:53 {
+    errors
+    health
+    ready
+    forward . 8.8.8.8 8.8.4.4
+    cache 30
+    reload
+}
+EOF
+
+chown -R coredns:coredns "$COREDNS_DIR" 2>/dev/null || true
+
+echo "CoreDNS configuration generated at $COREFILE"
diff --git a/tools/etcd-config-generator.sh b/tools/etcd-config-generator.sh
new file mode 100755
index 0000000..896f97b
--- /dev/null
+++ b/tools/etcd-config-generator.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# Initialize etcd data directory and configuration
+#
+
+set -euo pipefail
+
+ETCD_DATA_DIR="/var/lib/etcd"
+
+# Create data directory
+mkdir -p "$ETCD_DATA_DIR"
+chown -R etcd:etcd "$ETCD_DATA_DIR" 2>/dev/null || true
+
+# Ensure PKI exists
+mkdir -p /etc/kubernetes/pki/etcd
+
+echo "etcd initialization complete"
diff --git a/tools/generate-environment-files.sh b/tools/generate-environment-files.sh
new file mode 100755
index 0000000..5135061
--- /dev/null
+++ b/tools/generate-environment-files.sh
@@ -0,0 +1,174 @@
+#!/bin/bash
+#
+# Generate Environment Files for Services
+#
+# Reads the cluster configuration and node configuration to generate
+# environment files used by systemd services.
+#
+
+set -euo pipefail
+
+CONFIG_DIR="${CONFIG_DIR:-/etc/cluster-config}"
+ENV_DIR="/etc/cluster-config/environment"
+CURRENT_NODE="$CONFIG_DIR/current-node.yaml"
+CLUSTER_CONFIG="$CONFIG_DIR/cluster.yaml"
+
+log() {
+    echo "[env-generator] $*" | systemd-cat -t env-generator -p info
+    echo "[env-generator] $*"
+}
+
+error() {
+    echo "[env-generator] ERROR: $*" | systemd-cat -t env-generator -p err
+    echo "[env-generator] ERROR: $*" >&2
+}
+
+# Create environment directory
+mkdir -p "$ENV_DIR"
+
+# Extract values from YAML (simple grep-based parser)
+get_value() {
+    local file="$1"
+    local key="$2"
+    grep "^[[:space:]]*${key}:" "$file" | head -1 | sed "s/.*${key}: *[\"']\?\([^\"']*\)[\"']\?/\1/"
+}
+
+get_node_ip() {
+    get_value "$CURRENT_NODE" "ip"
+}
+
+get_node_name() {
+    cat "$CONFIG_DIR/node-identity"
+}
+
+get_cluster_value() {
+    local key="$1"
+    grep -A 5 "^${key}:" "$CLUSTER_CONFIG" | tail -1 | sed 's/.*"\(.*\)"/\1/' | xargs
+}
+
+# Generate kubelet environment
+generate_kubelet_env() {
+    local node_ip=$(get_node_ip)
+
+    cat > "$ENV_DIR/kubelet.env" <<EOF
+NODE_IP=$node_ip
+KUBELET_EXTRA_ARGS=
+EOF
+
+    log "Generated kubelet.env"
+}
+
+# Generate kube-apiserver environment
+generate_apiserver_env() {
+    local node_ip=$(get_node_ip)
+    local service_cidr=$(get_cluster_value "service_cidr")
+
+    cat > "$ENV_DIR/kube-apiserver.env" <<EOF
+NODE_IP=$node_ip
+SERVICE_CIDR=${service_cidr:-10.96.0.0/12}
+EOF
+
+    log "Generated kube-apiserver.env"
+}
+
+# Generate kube-controller-manager environment
+generate_controller_env() {
+    local pod_cidr=$(get_cluster_value "pod_cidr")
+    local service_cidr=$(get_cluster_value "service_cidr")
+
+    cat > "$ENV_DIR/kube-controller-manager.env" <<EOF
+POD_CIDR=${pod_cidr:-10.244.0.0/16}
+SERVICE_CIDR=${service_cidr:-10.96.0.0/12}
+EOF
+
+    log "Generated kube-controller-manager.env"
+}
+
+# Generate etcd environment
+generate_etcd_env() {
+    local node_ip=$(get_node_ip)
+    local node_name=$(get_node_name)
+
+    # For now, single-node etcd. TODO: support multi-master
+    local etcd_cluster="${node_name}=https://${node_ip}:2380"
+
+    cat > "$ENV_DIR/etcd.env" <<EOF
+ETCD_NAME=$node_name
+NODE_IP=$node_ip
+ETCD_INITIAL_CLUSTER=$etcd_cluster
+EOF
+
+    log "Generated etcd.env"
+}
+
+# Generate Kafka environment
+generate_kafka_env() {
+    local node_ip=$(get_node_ip)
+    local node_name=$(get_node_name)
+
+    # Extract broker ID from node config (or use hash of hostname)
+    local broker_id=$(grep "kafka_broker_id:" "$CURRENT_NODE" | sed 's/.*: //' || echo "1")
+
+    cat > "$ENV_DIR/kafka.env" <<EOF
+NODE_IP=$node_ip
+NODE_NAME=$node_name
+KAFKA_BROKER_ID=$broker_id
+EOF
+
+    log "Generated kafka.env"
+}
+
+# Generate Ceph environment
+generate_ceph_env() {
+    local node_name=$(get_node_name)
+
+    cat > "$ENV_DIR/ceph.env" <<EOF
+NODE_NAME=$node_name
+OSD_WEIGHT=1.0
+EOF
+
+    log "Generated ceph.env"
+}
+
+# Generate MQTT environment
+generate_mqtt_env() {
+    local node_ip=$(get_node_ip)
+
+    cat > "$ENV_DIR/mqtt.env" <<EOF
+NODE_IP=$node_ip
+EOF
+
+    log "Generated mqtt.env"
+}
+
+# Generate CoreDNS environment
+generate_coredns_env() {
+    cat > "$ENV_DIR/coredns.env" <<EOF
+CLUSTER_DOMAIN=cluster.local
+EOF
+
+    log "Generated coredns.env"
+}
+
+main() {
+    log "Generating environment files..."
+
+    if [ ! -f "$CURRENT_NODE" ]; then
+        error "Current node config not found: $CURRENT_NODE"
+        exit 1
+    fi
+
+    # Generate all environment files
+    generate_kubelet_env
+    generate_apiserver_env
+    generate_controller_env
+    generate_etcd_env
+    generate_kafka_env
+    generate_ceph_env
+    generate_mqtt_env
+    generate_coredns_env
+
+    log "Environment file generation complete"
+}
+
+main "$@"
diff --git a/tools/kafka-config-generator.sh b/tools/kafka-config-generator.sh
new file mode 100755
index 0000000..a89df6e
--- /dev/null
+++ b/tools/kafka-config-generator.sh
@@ -0,0 +1,62 @@
+#!/bin/bash
+#
+# Generate Kafka server.properties from cluster config
+#
+
+set -euo pipefail
+
+CONFIG_DIR="${CONFIG_DIR:-/etc/cluster-config}"
+KAFKA_DIR="/var/lib/kafka"
+KAFKA_CONFIG="$KAFKA_DIR/server.properties"
+
+# Create Kafka directories
+mkdir -p "$KAFKA_DIR/logs"
+mkdir -p "$(dirname $KAFKA_CONFIG)"
+
+# Source environment variables
+if [ -f /etc/cluster-config/environment/kafka.env ]; then
+    source /etc/cluster-config/environment/kafka.env
+fi
+
+# Read from service config
+SERVICE_CONFIG="$CONFIG_DIR/services/kafka.yaml"
+
+# Generate server.properties
+cat > "$KAFKA_CONFIG" <<EOF
+# Server Basics
+process.roles=broker,controller
+node.id=${KAFKA_BROKER_ID:-1}
+controller.quorum.voters=1@${NODE_IP:-localhost}:9093
+
+# Socket Server Settings
+listeners=PLAINTEXT://${NODE_IP:-0.0.0.0}:9092,CONTROLLER://${NODE_IP:-0.0.0.0}:9093
+advertised.listeners=PLAINTEXT://${NODE_IP:-localhost}:9092
+controller.listener.names=CONTROLLER
+inter.broker.listener.name=PLAINTEXT
+
+# Log Basics
+log.dirs=$KAFKA_DIR/logs
+num.partitions=3
+default.replication.factor=3
+min.insync.replicas=2
+
+# Log Retention
+log.retention.hours=168
+log.retention.bytes=1073741824
+log.segment.bytes=1073741824
+
+# Cluster ID (should be generated once for the cluster)
+cluster.id=MkU3OEVBNTcwNTJENDM2Qk
+
+# Performance tuning
+num.network.threads=8
+num.io.threads=8
+socket.send.buffer.bytes=102400
+socket.receive.buffer.bytes=102400
+socket.request.max.bytes=104857600
+EOF
+
+# Set ownership
+chown -R kafka:kafka "$KAFKA_DIR" 2>/dev/null || true
+
+echo "Kafka configuration generated at $KAFKA_CONFIG"
diff --git a/tools/kube-apiserver-config-generator.sh b/tools/kube-apiserver-config-generator.sh
new file mode 100755
index 0000000..a6bdbbd
--- /dev/null
+++ b/tools/kube-apiserver-config-generator.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+#
+# Pre-start checks for kube-apiserver
+#
+
+set -euo pipefail
+
+# Ensure PKI directory exists
+mkdir -p /etc/kubernetes/pki/etcd
+
+# Check for required certificates (TODO: generate if missing)
+REQUIRED_CERTS=(
+    "/etc/kubernetes/pki/ca.crt"
+    "/etc/kubernetes/pki/ca.key"
+    "/etc/kubernetes/pki/apiserver.crt"
+    "/etc/kubernetes/pki/apiserver.key"
+)
+
+for cert in "${REQUIRED_CERTS[@]}"; do
+    if [ ! -f "$cert" ]; then
+        echo "WARNING: Certificate not found: $cert"
+        echo "TODO: Implement certificate generation"
+    fi
+done
+
+echo "kube-apiserver pre-start checks complete"
diff --git a/tools/kubelet-config-generator.sh b/tools/kubelet-config-generator.sh
new file mode 100755
index 0000000..5b1f624
--- /dev/null
+++ b/tools/kubelet-config-generator.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+#
+# Generate kubelet configuration from cluster config
+#
+
+set -euo pipefail
+
+CONFIG_DIR="${CONFIG_DIR:-/etc/cluster-config}"
+KUBELET_DIR="/var/lib/kubelet"
+
+mkdir -p "$KUBELET_DIR"
+
+# Read service config
+SERVICE_CONFIG="$CONFIG_DIR/services/kubernetes.yaml"
+
+# Extract kubelet config values
+CGROUP_DRIVER=$(grep "cgroup_driver:" "$SERVICE_CONFIG" | sed 's/.*: *//')
+
+# Generate kubelet config.yaml
+cat > "$KUBELET_DIR/config.yaml" <<EOF
+apiVersion: kubelet.config.k8s.io/v1beta1
+kind: KubeletConfiguration
+cgroupDriver: ${CGROUP_DRIVER:-systemd}
+authentication:
+  anonymous:
+    enabled: false
+  webhook:
+    enabled: true
+  x509:
+    clientCAFile: /etc/kubernetes/pki/ca.crt
+authorization:
+  mode: Webhook
+clusterDomain: cluster.local
+clusterDNS:
+  - 10.96.0.10
+runtimeRequestTimeout: 15m
+tlsCertFile: /var/lib/kubelet/pki/kubelet.crt
+tlsPrivateKeyFile: /var/lib/kubelet/pki/kubelet.key
+EOF
+
+echo "Kubelet config generated at $KUBELET_DIR/config.yaml"
diff --git a/tools/mosquitto-config-generator.sh b/tools/mosquitto-config-generator.sh
new file mode 100755
index 0000000..3d9e93a
--- /dev/null
+++ b/tools/mosquitto-config-generator.sh
@@ -0,0 +1,60 @@
+#!/bin/bash
+#
+# Generate Mosquitto configuration
+#
+
+set -euo pipefail
+
+CONFIG_DIR="${CONFIG_DIR:-/etc/cluster-config}"
+MOSQUITTO_DIR="/etc/mosquitto"
+MOSQUITTO_CONFIG="$MOSQUITTO_DIR/mosquitto.conf"
+
+mkdir -p "$MOSQUITTO_DIR"
+
+# Source environment
+if [ -f /etc/cluster-config/environment/mqtt.env ]; then
+    source /etc/cluster-config/environment/mqtt.env
+fi
+
+# Read service config
+SERVICE_CONFIG="$CONFIG_DIR/services/mqtt.yaml"
+
+# Generate mosquitto.conf
+cat > "$MOSQUITTO_CONFIG" <<EOF
+# Mosquitto MQTT Broker Configuration
+
+# Listener
+listener 1883 ${NODE_IP:-0.0.0.0}
+protocol mqtt
+
+# Persistence
+persistence true
+persistence_location /var/lib/mosquitto/
+autosave_interval 300
+
+# Logging
+log_dest syslog
+log_type all
+log_timestamp true
+log_timestamp_format %Y-%m-%dT%H:%M:%S
+
+# Security
+allow_anonymous false
+password_file $MOSQUITTO_DIR/passwd
+acl_file $MOSQUITTO_DIR/acl
+
+# Connection limits
+max_connections 10000
+
+# Performance
+max_queued_messages 1000
+max_inflight_messages 100
+EOF
+
+# Create empty passwd and acl files if they don't exist
+touch "$MOSQUITTO_DIR/passwd"
+touch "$MOSQUITTO_DIR/acl"
+
+chown -R mosquitto:mosquitto "$MOSQUITTO_DIR" 2>/dev/null || true
+
+echo "Mosquitto configuration generated at $MOSQUITTO_CONFIG"
diff --git a/tools/validate-config.py b/tools/validate-config.py
new file mode 100755
index 0000000..475eba2
--- /dev/null
+++ b/tools/validate-config.py
@@ -0,0 +1,293 @@
+#!/usr/bin/env python3
+"""
+Cluster Configuration Validator
+
+Validates cluster, node, and service configuration files to ensure:
+- Valid YAML syntax
+- Required fields are present
+- No duplicate IPs, MACs, or node names
+- Service dependencies are met
+- At least one master node exists
+- Role definitions are valid
+"""
+
+import sys
+import yaml
+import os
+from pathlib import Path
+from typing import Dict, List, Set, Any
+from collections import defaultdict
+
+
+class ValidationError(Exception):
+    """Raised when validation fails"""
+    pass
+
+
+class ConfigValidator:
+    def __init__(self, config_dir: str):
+        self.config_dir = Path(config_dir)
+        self.errors = []
+        self.warnings = []
+
+        self.cluster_config = None
+        self.node_configs = {}
+        self.service_configs = {}
+
+    def load_yaml(self, file_path: Path) -> Dict[str, Any]:
+        """Load and parse a YAML file"""
+        try:
+            with open(file_path, 'r') as f:
+                return yaml.safe_load(f)
+        except yaml.YAMLError as e:
+            raise ValidationError(f"YAML syntax error in {file_path}: {e}")
+        except FileNotFoundError:
+            raise ValidationError(f"File not found: {file_path}")
+
+    def add_error(self, message: str):
+        """Add a validation error"""
+        self.errors.append(f"ERROR: {message}")
+
+    def add_warning(self, message: str):
+        """Add a validation warning"""
+        self.warnings.append(f"WARNING: {message}")
+
+    def validate_cluster_config(self):
+        """Validate cluster.yaml"""
+        cluster_file = self.config_dir / "cluster.yaml"
+
+        if not cluster_file.exists():
+            self.add_error("cluster.yaml not found")
+            return
+
+        self.cluster_config = self.load_yaml(cluster_file)
+
+        # Check required top-level keys
+        required_keys = ['cluster', 'network', 'nodes', 'services']
+        for key in required_keys:
+            if key not in self.cluster_config:
+                self.add_error(f"cluster.yaml missing required key: {key}")
+
+        if 'cluster' in self.cluster_config:
+            cluster = self.cluster_config['cluster']
+            if 'name' not in cluster:
+                self.add_error("cluster.name is required")
+            if 'domain' not in cluster:
+                self.add_error("cluster.domain is required")
+
+        # Validate nodes list
+        if 'nodes' in self.cluster_config:
+            self.validate_cluster_nodes()
+
+        # Validate services
+        if 'services' in self.cluster_config:
+            self.validate_cluster_services()
+
+    def validate_cluster_nodes(self):
+        """Validate nodes list in cluster.yaml"""
+        nodes = self.cluster_config.get('nodes', [])
+
+        if not nodes:
+            self.add_error("No nodes defined in cluster.yaml")
+            return
+
+        seen_ips = set()
+        seen_names = set()
+        has_master = False
+
+        for idx, node in enumerate(nodes):
+            # Check required fields
+            if 'name' not in node:
+                self.add_error(f"Node at index {idx} missing 'name'")
+                continue
+
+            name = node['name']
+
+            # Check for duplicates
+            if name in seen_names:
+                self.add_error(f"Duplicate node name: {name}")
+            seen_names.add(name)
+
+            if 'ip' not in node:
+                self.add_error(f"Node {name} missing 'ip'")
+            else:
+                ip = node['ip']
+                if ip in seen_ips:
+                    self.add_error(f"Duplicate IP address: {ip}")
+                seen_ips.add(ip)
+
+            if 'roles' not in node:
+                self.add_error(f"Node {name} missing 'roles'")
+            else:
+                roles = node['roles']
+                if not roles:
+                    self.add_error(f"Node {name} has empty roles list")
+                if 'master' in roles or 'control-plane' in roles:
+                    has_master = True
+
+        if not has_master:
+            self.add_error("Cluster must have at least one master/control-plane node")
+
+    def validate_cluster_services(self):
+        """Validate services in cluster.yaml"""
+        services = self.cluster_config.get('services', {})
+
+        if 'enabled' not in services:
+            self.add_warning("No enabled services defined in cluster.yaml")
+            return
+
+        enabled = services['enabled']
+        if not enabled:
+            self.add_warning("No services enabled")
+
+        # Check that service configs exist for enabled services
+        services_dir = self.config_dir / "services"
+        for service_name in enabled:
+            service_file = services_dir / f"{service_name}.yaml"
+            if not service_file.exists():
+                self.add_error(f"Service config not found: {service_file}")
+
+    def validate_node_configs(self):
+        """Validate all node configuration files"""
+        nodes_dir = self.config_dir / "nodes"
+
+        if not nodes_dir.exists():
+            self.add_error("nodes/ directory not found")
+            return
+
+        node_files = list(nodes_dir.glob("*.yaml"))
+        if not node_files:
+            self.add_warning("No node configuration files found in nodes/")
+            return
+
+        seen_macs = defaultdict(list)
+
+        for node_file in node_files:
+            node_config = self.load_yaml(node_file)
+            node_name = node_file.stem
+
+            self.node_configs[node_name] = node_config
+
+            if 'node' not in node_config:
+                self.add_error(f"{node_file.name}: missing 'node' section")
+                continue
+
+            node = node_config['node']
+
+            # Validate required fields
+            if 'name' not in node:
+                self.add_error(f"{node_file.name}: missing node.name")
+            elif node['name'] != node_name:
+                self.add_warning(f"{node_file.name}: node.name '{node['name']}' doesn't match filename")
+
+            if 'roles' not in node:
+                self.add_error(f"{node_file.name}: missing node.roles")
+            elif not node['roles']:
+                self.add_error(f"{node_file.name}: node.roles is empty")
+
+            # Check MAC addresses for duplicates
+            if 'hardware' in node and 'mac_addresses' in node['hardware']:
+                for mac in node['hardware']['mac_addresses']:
+                    seen_macs[mac].append(node_name)
+
+        # Report duplicate MACs
+        for mac, nodes in seen_macs.items():
+            if len(nodes) > 1:
+                self.add_error(f"Duplicate MAC address {mac} in nodes: {', '.join(nodes)}")
+
+        # Check that cluster.yaml nodes have corresponding node configs
+        if self.cluster_config and 'nodes' in self.cluster_config:
+            cluster_nodes = {n['name'] for n in self.cluster_config['nodes']}
+            config_nodes = set(self.node_configs.keys())
+
+            missing = cluster_nodes - config_nodes
+            extra = config_nodes - cluster_nodes
+
+            if missing:
+                self.add_error(f"Nodes in cluster.yaml missing node configs: {', '.join(missing)}")
+            if extra:
+                self.add_warning(f"Node configs not referenced in cluster.yaml: {', '.join(extra)}")
+
+    def validate_service_configs(self):
+        """Validate service configuration files"""
+        services_dir = self.config_dir / "services"
+
+        if not services_dir.exists():
+            self.add_error("services/ directory not found")
+            return
+
+        service_files = list(services_dir.glob("*.yaml"))
+        if not service_files:
+            self.add_warning("No service configuration files found")
+            return
+
+        for service_file in service_files:
+            service_config = self.load_yaml(service_file)
+            service_name = service_file.stem
+
+            self.service_configs[service_name] = service_config
+
+            if 'service' not in service_config:
+                self.add_error(f"{service_file.name}: missing 'service' section")
+                continue
+
+            service = service_config['service']
+
+            if 'name' not in service:
+                self.add_error(f"{service_file.name}: missing service.name")
+            elif service['name'] != service_name:
+                self.add_warning(f"{service_file.name}: service.name '{service['name']}' doesn't match filename")
+
+            if 'version' not in service:
+                self.add_warning(f"{service_file.name}: missing service.version")
+
+    def validate_all(self) -> bool:
+        """Run all validations"""
+        print(f"Validating configuration in: {self.config_dir}")
+        print("=" * 60)
+
+        try:
+            self.validate_cluster_config()
+            self.validate_node_configs()
+            self.validate_service_configs()
+        except ValidationError as e:
+            self.add_error(str(e))
+
+        # Print results
+        print()
+        if self.warnings:
+            print("Warnings:")
+            for warning in self.warnings:
+                print(f"  {warning}")
+            print()
+
+        if self.errors:
+            print("Errors:")
+            for error in self.errors:
+                print(f"  {error}")
+            print()
+            print(f"Validation FAILED with {len(self.errors)} error(s)")
+            return False
+        else:
+            print("✓ Validation PASSED")
+            if self.warnings:
+                print(f"  ({len(self.warnings)} warning(s))")
+            return True
+
+
+def main():
+    if len(sys.argv) > 1:
+        config_dir = sys.argv[1]
+    else:
+        # Default to configs/ in the same directory as this script
+        script_dir = Path(__file__).parent.parent
+        config_dir = script_dir / "configs"
+
+    validator = ConfigValidator(config_dir)
+    success = validator.validate_all()
+
+    sys.exit(0 if success else 1)
+
+
+if __name__ == "__main__":
+    main()