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Duration 21 hours
Course Outline
1. Introduction to OpenStack
- The evolution of the cloud and OpenStack
- Key characteristics of cloud computing
- Cloud service models
- Private, public, and hybrid environments
- On-premise solutions and service levels (IaaS, PaaS, SaaS)
- Deploying public and private clouds using OpenStack
- Comparison of open-source and commercial OpenStack distributions
- Various OpenStack deployment strategies
- The OpenStack ecosystem
- Core modules
- Foundational tools
- Third-party integrations
- The OpenStack development lifecycle
- OpenStack certification pathways
- Dedicated OpenStack lab environment (VM) for the course
2. Practical OpenStack Cloud Management
- Exploring OpenStack fundamentals
- Core components (Keystone, Glance, Nova, Neutron, Cinder, Heat)
- Interacting with the OpenStack cloud interface
- Daemon operations and API communication workflows
- Keystone: Identity Management
- Configuring domains, projects, users, and roles
- Service catalogs and endpoint management
- Configuring CLI clients via Openrc and clouds.yaml files
- Provisioning users and projects
- Glance: Image Service
- Optimizing images for cloud deployment
- Image attributes (properties, metadata, formats, containers)
- Uploading and retrieving images
- Neutron: Networking
- Architectural overview of Neutron
- ML2 plugin configuration for Neutron
- Essential Neutron network resource types
- Networking mechanics on Compute Nodes
- Managing tenant networks and subnets
- East-West traffic routing
- Handling external and provider networks
- North-South traffic routing
- Managing Floating IPs
- Configuring security groups and rules
- Port security and anti-spoofing measures
- Networking quota management
- Validating Neutron service health
- Nova: Compute Service
- Nova architectural design
- Hypervisor interfaces and integration
- Key pair management
- Flavor management
- Instance parameter configuration
- Instance creation processes
- Ongoing instance management
- Assigning Floating IPs
- Using interactive consoles and viewing console logs
- Applying security groups to instances
- Accessing instances via the metadata namespace
- Capturing instance interface traffic with tcpdump
- Live migration of virtual machines
- Cinder: Block Storage
- Volume parameter configuration
- Creating storage volumes
- Managing existing volumes
- Attaching volumes to Nova instances
3. Advanced Neutron and OVN Backend Analysis
- OVN architectural overview
- Key OVN components
- Comparing ML2 OVN vs. OvS drivers
- Top-down OVN networking implementation
- OpenStack logic (Neutron database)
- Northbound database structure
- Southbound database structure
- Logical datapath pipelines
- Logical flows
- OpenFlow flows
- Mapping Neutron networks to OVN logical switches
- Logical ports and their classifications
- Switching flow mechanisms
- Mapping Neutron routers to OVN logical routers
- Types of NAT
- Routing flow logic
- Neutron subnets and native DHCP services
- DHCP flow processing
- Security groups within OVN
- ACLs and Port Groups
- Security group flow generation
- Port security implementation in OVN
- Summary of OVN Northbound tables
- Data flow pathways within OVN
- Neutron DB, OVN NB and SB databases, and OpenFlow at the OvS layer
- Logical flow tracing techniques
- Defining microflows
- Layer 2 tracing
- Layer 3 tracing
- DHCP tracing
- Physical flow analysis via OpenFlow
- The physical lifecycle of VM-originated packets
- Physical packet tracing
- Tracing hypothetical packet scenarios
- Tracing real-world packet traffic
- Inspection of Open vSwitch databases and resources
Requirements
- Comprehensive understanding of networking principles
- Fundamental knowledge of cloud computing paradigms
- Practical experience in administering Linux operating systems
Testimonials (1)
communication, knowledge from experience, solve problems,
