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Duration 21 hours
Course Outline
1. Introduction to OpenStack
- The evolution of cloud computing and OpenStack
- Key characteristics of cloud services
- Cloud deployment models
- Private, public, and hybrid clouds
- On-premise, IaaS, PaaS, and SaaS
- Public and private cloud implementations based on OpenStack
- Open source versus commercial OpenStack distributions
- Various OpenStack deployment models
- The OpenStack ecosystem
- Core modules
- Foundational tools
- Integration capabilities
- The OpenStack project lifecycle
- OpenStack certification pathways
- Course-specific OpenStack lab environment (VM)
2. Practical Management of OpenStack Clouds
- Exploring OpenStack fundamentals
- Core components (Keystone, Glance, Nova, Neutron, Cinder, Heat)
- Interacting with the OpenStack cloud
- Daemon interactions and API communication flows
- Keystone - Identity Management Service
- Domains, projects, users, and roles
- Service catalogues and endpoints
- Configuring CLI clients using Openrc and clouds.yaml
- Creating users and projects
- Glance - Image Service
- Adapting images for cloud environments
- Image attributes (properties, metadata, format, container)
- Processes for uploading and downloading images
- Neutron - Networking
- Overview of Neutron architecture
- ML2 plugins for Neutron
- Essential Neutron network resource types
- Networking functions at the Compute Node
- Managing tenant networks and subnets
- East-West routing mechanisms
- Managing external and provider networks
- North-South routing mechanisms
- Management of Floating IPs
- Configuration of security groups and rules
- Anti-spoofing measures via port security
- Networking quota management
- Validation of Neutron services
- Nova - Compute Service
- Nova architectural components
- Interfaces to hypervisors
- Key pair management
- Flavor management
- Instance configuration parameters
- Instance creation processes
- General instance management
- Assignment of Floating IPs
- Accessing interactive consoles and viewing logs
- Applying security groups
- Accessing instances via the metadata namespace
- Capturing instance interface traffic using tcpdump
- Live-migration of virtual machines
- Cinder - Block Storage
- Volume configuration parameters
- Volume creation
- Volume management tasks
- Attaching volumes to Nova instances
3. Advanced Analysis of Neutron and its OVN Backend
- OVN architectural overview
- Key OVN components
- Comparison of ML2 OVN vs. OvS drivers
- Top-down perspective on OVN networking
- 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 logic
- Mapping Neutron routers to OVN logical routers
- Types of NAT
- Routing flow logic
- Neutron subnets and native DHCP
- DHCP flow logic
- Security groups within OVN
- ACLs and Port Groups
- Security group flow logic
- Port security implementation in OVN
- Overview of OVN Northbound tables
- Information flow through OVN
- Interaction between Neutron DB, OVN NB/SB DBs, and OpenFlow at OvS
- Tracing logical flows
- Defining microflows
- Layer 2 (L2) tracing
- Layer 3 (L3) tracing
- DHCP tracing
- Physical flows via OpenFlow
- The physical lifecycle of a packet originating from a VM
- Physical packet tracing
- Tracing hypothetical packet paths
- Tracing real-world packet paths
- Inspecting Open vSwitch database and resources
Requirements
- Strong foundational knowledge of networking
- Basic understanding of cloud computing principles
- Hands-on experience in administering Linux operating systems
Testimonials (1)
communication, knowledge from experience, solve problems,
