OpenStack Cluster Architecture Explained | Complete MAAS + Juju Deployment Tutorial 2025

Learn how to deploy a production-ready OpenStack cluster using MAAS and Juju! This comprehensive tutorial walks through the complete architecture of an enterprise-grade OpenStack deployment.

📋 TIMESTAMPS:
00:00 Introduction & Architecture Overview
02:30 MAAS Infrastructure Setup
05:45 Network Architecture & VLANs
08:20 Juju Controller as Central Router
11:00 Node Provisioning & Configuration
14:30 OpenStack Bundle Deployment
17:15 High Availability & VIP Configuration
19:45 Storage Architecture with Ceph
21:30 Troubleshooting & Best Practices
23:00 Final Architecture Review

🔧 WHAT YOU'LL LEARN:
Complete OpenStack cluster architecture design
MAAS setup for bare-metal provisioning
Network segregation with multiple VLANs
Juju orchestration and bundle deployment
High Availability configuration
Ceph storage integration
OVN/OVS networking setup
Ansible automation for network config

📊 ARCHITECTURE COMPONENTS:
Infrastructure: 3 MAAS nodes, 1 Juju Controller
OpenStack: 3 Controllers, 2 Compute, 3 Storage nodes
Networking: 5 VLANs (management, storage, API, tenant, external)
Storage: Ceph with dedicated cluster/access networks
HA: VIPs, HACluster, MySQL InnoDB Cluster

🛠️ TECHNOLOGIES COVERED:
Ubuntu 24.04 LTS
OpenStack Bobcat (2023.2)
MAAS 3.5
Juju 3.4
Ceph Reef
OVN/OVS
Ansible
KVM/libvirt
Virtual BMC

📚 RESOURCES & LINKS:
MAAS Documentation: https://maas.io/docs
Juju Documentation: https://juju.is/docs
OpenStack Charms: https://opendev.org/openstack/charm-g...

🏷️ TAGS:
#OpenStack #MAAS #Juju #CloudArchitecture #DevOps #PrivateCloud #Ubuntu #Canonical #InfrastructureAsCode #Tutorial #CloudComputing #Kubernetes #Ceph #NetworkingTutorial #Homelab #DataCenter

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💬 Questions? Drop them in the comments below!