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Course Outline
1. Introduction to OpenStack
- Historical context of cloud computing and OpenStack
- Key characteristics of cloud environments
- Cloud service models
- Private, public, and hybrid models
- On-premise, IaaS, PaaS, and SaaS distinctions
- 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
- Understanding the OpenStack lifecycle
- OpenStack certification pathways
- Setup of the OpenStack lab environment (VM) for this course
2. Practical Management of OpenStack Clouds
- Exploring the OpenStack landscape
- Core components: Keystone, Glance, Nova, Neutron, Cinder, and Heat
- Methods for interacting with the OpenStack cloud
- Communication flows between daemons and APIs
- Keystone - Identity Management Service
- Management of domains, projects, users, and roles
- Configuring service catalogs and endpoints
- CLI client configuration using openrc and clouds.yaml files
- Procedures for creating users and projects
- Glance - Image Service
- Optimizing images for cloud environments
- Image attributes including properties, metadata, formats, and containers
- Processes for uploading and downloading images
- Neutron - Networking
- Architectural overview of Neutron
- ML2 plugins utilized by Neutron
- Essential Neutron network resource types
- Networking implementation at the Compute Node
- Administration of tenant networks and subnets
- East-West routing configurations
- Management of external and provider networks
- North-South routing setups
- Handling of Floating IPs
- Administration of security groups and rules
- Anti-spoofing measures via port security
- Network resource quotas
- Validation of Neutron services
- Nova - Compute Service
- Architectural design of Nova
- Interfaces connecting to hypervisors
- Management of key pairs
- Flavor management strategies
- Instance parameter configuration
- Instance creation workflows
- Ongoing instance management
- Assignment of Floating IPs
- Use of interactive console and review of console logs
- Application of security groups
- Accessing instance metadata namespaces
- Interface analysis using tcpdump
- Live migration of virtual machines
- Cinder - Block Storage
- Volume parameter definitions
- Volume creation procedures
- Volume management tasks
- Attaching volumes to Nova instances
3. Advanced Analysis of Neutron and its OVN Backend
- Architectural framework of OVN
- Key components of OVN
- Comparative analysis 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 specifications
- Correlation between Neutron networks and OVN logical switches
- Types of logical ports
- Switching flow mechanics
- Correlation between Neutron routers and OVN logical routers
- NAT types and configurations
- Routing flow logic
- Neutron subnets and native DHCP capabilities
- DHCP flow mechanisms
- Security groups within the OVN framework
- Use of ACLs and Port Groups
- Security group flow implementation
- Port security features in OVN
- Overview of OVN Northbound tables
- Data flow dynamics in OVN
- Interaction between Neutron DB, OVN NB/SB DB, and OpenFlow at OVS
- Tracing logical flows
- Definition of microflows
- Layer 2 (L2) tracing techniques
- Layer 3 (L3) tracing techniques
- DHCP flow tracing
- Physical flows using OpenFlow
- Lifecycle of packets originating from VMs
- Physical tracing methods
- Tracing hypothetical packet paths
- Tracing real-world packet paths
- Visualization of Open vSwitch databases and resources
Requirements
- Comprehensive understanding of networking concepts
- Foundational knowledge of cloud computing principles
- Hands-on experience in administering Linux operating systems
21 Hours
Testimonials (1)
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