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Course Outline
1. Overview of OpenStack
- Evolution of cloud computing and OpenStack
- Key characteristics of cloud systems
- Cloud deployment models
- Private, public, and hybrid environments
- On-premise setups, IaaS, PaaS, and SaaS
- Implementing public and private clouds using OpenStack
- Comparison of open-source and commercial OpenStack distributions
- Strategies for deploying OpenStack
- The OpenStack ecosystem
- Core modules
- Foundational tools
- Third-party integrations
- The OpenStack operational lifecycle
- Overview of OpenStack certifications
- Introduction to the virtual machine lab used in this course
2. Practical Management of OpenStack Clouds
- Understanding OpenStack fundamentals
- Essential components (Keystone, Glance, Nova, Neutron, Cinder, Heat)
- Methods for interacting with the OpenStack cloud
- Data flow between OpenStack daemons and APIs
- Keystone: Identity and Access 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 Management Service
- Adapting images for cloud environments
- Image attributes (properties, metadata, formats, containers)
- Processes for uploading and retrieving images
- Neutron: Network Orchestration
- High-level view of the Neutron architecture
- Neutron ML2 plugin configuration
- Core Neutron network resource types
- Network operations on Compute Nodes
- Administering tenant networks and subnets
- East-West traffic routing
- Management of external and provider networks
- North-South traffic routing
- Handling Floating IPs
- Configuring security groups and rules
- Port security to prevent spoofing
- Setting networking quotas
- Validating the status of Neutron services
- Nova: Compute Orchestration
- Nova architectural overview
- Hypervisor interfaces
- SSH keypair administration
- Instance flavor management
- Instance configuration parameters
- Instance provisioning
- Day-two instance management tasks
- Association of Floating IPs
- Using the interactive console and viewing console logs
- Applying security groups
- Accessing instances through the metadata namespace
- Capturing traffic on instance interfaces using tcpdump
- Live migration of virtual machines
- Cinder: Block Storage Management
- Volume configuration parameters
- Volume creation procedures
- Volume lifecycle management
- Attaching volumes to Nova instances
3. In-Depth Analysis of Neutron and its OVN Backend
- OVN architectural design
- Key OVN components
- Comparing ML2 drivers: OVN vs. OvS
- Top-down perspective on OVN networking
- OpenStack logic (Neutron database structure)
- Northbound database
- Southbound database
- 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
- Different types of NAT
- Routing flow mechanisms
- Neutron subnets and native DHCP functionality
- DHCP flow processes
- Implementing security groups in OVN
- ACLs and Port Groups
- Security group flow logic
- Port security implementation in OVN
- Summary of OVN Northbound tables
- Data flow within OVN
- Flow from Neutron DB to OVN NB and SB DBs, and finally to OpenFlow at the OvS level
- Tracing logical flows
- Defining microflows
- Layer 2 tracing
- Layer 3 tracing
- DHCP flow tracing
- Physical flows via OpenFlow
- The complete lifecycle of a packet originating from a VM
- Physical traffic tracing
- Tracing hypothetical packet scenarios
- Tracing actual live packets
- Inspecting the Open vSwitch database and associated resources
Requirements
- Comprehensive networking knowledge
- Fundamental understanding of cloud computing principles
- Hands-on experience in Linux system administration
21 Hours
Testimonials (1)
communication, knowledge from experience, solve problems,
