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Duration 21 hours
Course Outline
1. Introduction to OpenStack
- Evolution of cloud technology and OpenStack
- Key characteristics of cloud services
- Cloud service models
- Private, public, and hybrid architectures
- On-premise, IaaS, PaaS, and SaaS
- Implementing public and private clouds using OpenStack
- Open-source versus commercial OpenStack distributions
- Various OpenStack deployment models
- The OpenStack ecosystem
- Core modules
- Foundational tools
- System integrations
- The OpenStack service lifecycle
- OpenStack certification pathways
- Setup of the OpenStack lab environment (VM) for this course
2. Practical Management of OpenStack Clouds
- Familiarizing with the OpenStack platform
- Core components (Keystone, Glance, Nova, Neutron, Cinder, Heat)
- Interactions with the OpenStack cloud environment
- Daemon operations and API communication patterns
- Keystone - Identity Management Service
- Managing domains, projects, users, and roles
- Service catalogs and endpoints
- Configuration of CLI clients via Openrc and clouds.yaml
- Provisioning users and projects
- Glance - Image Service
- Cloud-optimized images
- Image attributes (properties, metadata, formats, containers)
- Image upload and retrieval procedures
- Neutron - Networking Service
- Architectural overview of Neutron
- ML2 plugins for Neutron
- Core Neutron network resource types
- Networking operations on Compute Nodes
- Administration of tenant networks and subnets
- East-West routing mechanisms
- Management of external and provider networks
- North-South routing strategies
- Handling Floating IPs
- Configuration of security groups and rules
- Anti-spoofing measures and port security
- Networking quota management
- Verification procedures for Neutron services
- Nova - Compute Service
- Nova architectural components
- Hypervisor interfaces
- Key pair administration
- Flavor management
- Instance configuration parameters
- Instance creation process
- Instance lifecycle management
- Assignment of Floating IPs
- Interactive console and console log access
- Application of security groups
- Accessing instance metadata namespaces
- Capturing instance interface traffic using tcpdump
- Live migration of virtual machines
- Cinder - Block Storage Service
- Volume configuration parameters
- Volume creation
- Volume management operations
- Attaching volumes to Nova instances
3. Advanced Analysis of Neutron and its OVN Backend
- OVN architectural design
- Key OVN components
- Comparison of ML2 drivers: OVN vs. OvS
- Top-down approach to OVN networking
- OpenStack logic via the Neutron database
- Northbound database structures
- Southbound database structures
- Logical datapath pipelines
- Logical flow definitions
- OpenFlow flow rules
- Mapping Neutron networks to OVN logical switches
- Logical ports and their classifications
- Switching flow logic
- Mapping Neutron routers to OVN logical routers
- Types of Network Address Translation (NAT)
- Routing flow logic
- Neutron subnets and native DHCP implementation
- DHCP flow mechanics
- Security groups within OVN
- Access Control Lists (ACLs) and Port Groups
- Security group flow definitions
- Port security implementation in OVN
- Overview of OVN Northbound tables
- Data flow within the OVN system
- Neutron DB, OVN NB and SB DB, and OpenFlow at OvS level
- Tracing logical flows
- Defining microflows
- Layer 2 (L2) tracing
- Layer 3 (L3) tracing
- DHCP process tracing
- Physical flows and OpenFlow
- Lifecycle of packets originating from a VM
- Physical flow tracing techniques
- Tracing hypothetical packet paths
- Tracing real-world packet paths
- Inspecting the Open vSwitch database and associated resources
Requirements
- Comprehensive understanding of networking principles
- Familiarity with cloud computing concepts and paradigms
- Hands-on experience in administering Linux operating systems
Testimonials (1)
communication, knowledge from experience, solve problems,
