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Duration 21 hours
Course Outline
1. Introduction to OpenStack
- Evolution of cloud computing and OpenStack
- Key cloud characteristics
- Cloud deployment models
- Private, public, and hybrid
- On-premise, IaaS, PaaS, and SaaS
- Public and private cloud implementations using OpenStack
- Open-source and commercial OpenStack distributions
- Deployment models for OpenStack
- The OpenStack ecosystem
- Core modules
- Foundational tools
- System integrations
- OpenStack lifecycle
- OpenStack certification pathways
- Dedicated OpenStack lab (VM) for this course
2. Practical Management of OpenStack Clouds
- Overview of OpenStack
- Core components (Keystone, Glance, Nova, Neutron, Cinder, Heat)
- Interacting with the OpenStack cloud
- Daemon operations and API communication flows
- Keystone - Identity Management
- Management of domains, projects, users, and roles
- Service catalog and endpoint configuration
- Configuration files: Openrc and clouds.yaml for CLI clients
- Creation of users and projects
- Glance - Image Service
- Adapting images for cloud environments
- Image attributes (properties, metadata, format, container)
- Image upload and retrieval procedures
- Neutron - Networking
- Architectural overview of Neutron
- ML2 plugins for Neutron
- Fundamental Neutron network resource types
- Networking mechanisms at the Compute Node
- Administration of tenant networks and subnets
- East-West routing configurations
- Management of external/provider networks
- North-South routing setup
- Handling Floating IPs
- Configuration of security groups and rules
- Anti-spoofing measures via port security
- Network quota management
- Validation of Neutron services
- Nova - Compute Service
- Nova architecture
- Hypervisor interfaces
- Keypair administration
- Flavor management
- Instance parameter configuration
- Instance provisioning
- Ongoing instance management
- Allocation of Floating IPs
- Use of interactive console and console logs
- Application of security groups
- Accessing instances via the metadata namespace
- Capture of instance interface traffic using tcpdump
- Live migration of VMs
- Cinder - Block Storage
- Volume parameter settings
- Volume creation
- Volume administration
- Attaching volumes to Nova instances
3. Advanced Analysis of Neutron and its OVN Backend
- OVN architecture
- Key OVN components
- Comparison of ML2 - OVN vs. OvS drivers
- Top-down approach to OVN networking
- OpenStack logic (Neutron database)
- Northbound database
- Southbound database
- Logical datapath pipelines
- Logical flows
- OpenFlow flows
- Correlation between Neutron networks and OVN logical switches
- Logical ports and their classifications
- Switching flow mechanics
- Correlation between Neutron routers and OVN logical routers
- NAT types
- Routing flow mechanics
- Neutron subnets and native DHCP
- DHCP flow mechanics
- Security groups within OVN
- ACLs and Port Groups
- Security group flow logic
- Port security implementation in OVN
- Overview of OVN Northbound tables
- Data flow within OVN
- Neutron DB, OVN NB and SB DB, and OpenFlow at OvS
- Tracing logical flows
- Definition of microflows
- L2 layer tracing
- L3 layer tracing
- DHCP tracing
- Physical flows via OpenFlow
- Complete lifecycle of a packet originating from a VM
- Physical layer tracing
- Tracing hypothetical packets
- Tracing live packets
- Inspection of Open vSwitch database and resources
Requirements
- Proficient understanding of networking principles
- Familiarity with cloud computing paradigms
- Hands-on experience managing Linux operating systems
Testimonials (1)
communication, knowledge from experience, solve problems,
