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Course Outline
1. Introduction to OpenStack
- The evolution of the cloud and the emergence of OpenStack
- Key characteristics of cloud environments
- Cloud deployment models
- Private, public, and hybrid configurations
- On-premise, IaaS, PaaS, and SaaS architectures
- Implementing public and private clouds using OpenStack
- Comparison of open-source and commercial OpenStack distributions
- Various OpenStack deployment strategies
- The broader OpenStack ecosystem
- Core modules
- Foundational tools
- System integrations
- OpenStack operational lifecycle
- OpenStack certification pathways
- Dedicated OpenStack laboratory environment (VM) for this course
2. Practical Management of OpenStack Clouds
- Familiarization with the OpenStack platform
- Core components (Keystone, Glance, Nova, Neutron, Cinder, Heat)
- Methods for interacting with the OpenStack cloud
- Communication flows between OpenStack daemons and APIs
- Keystone – Identity Management Service
- Management of domains, projects, users, and roles
- Service catalogs and endpoint configurations
- Configuration files for CLI clients (openrc and clouds.yaml)
- Procedure for creating users and projects
- Glance – Image Service
- Adapting images for cloud deployment
- Image attributes (properties, metadata, formats, containers)
- Processes for uploading and retrieving images
- Neutron – Networking
- Architectural overview of Neutron
- ML2 plugins for Neutron
- Essential Neutron network resource types
- Networking mechanisms at the Compute Node level
- Managing tenant networks and subnets
- East-West routing configurations
- Administration of external and provider networks
- North-South routing setups
- Managing Floating IPs
- Configuring security groups and rules
- Port security and anti-spoofing measures
- Enforcing networking quotas
- Validating Neutron service status
- Nova – Compute Service
- Nova architectural design
- Hypervisor interfaces
- Key pair administration
- Flavor management strategies
- Defining instance parameters
- Provisioning new instances
- General instance administration
- Allocation of Floating IPs
- Use of interactive consoles and console logs
- Applying security groups to instances
- Accessing instances via the metadata namespace
- Monitoring instance interfaces using tcpdump
- Performing live migrations of virtual machines
- Cinder – Block Storage
- Defining volume parameters
- Provisioning new volumes
- Volume management tasks
- Attaching volumes to Nova instances
3. In-Depth Analysis of Neutron and its OVN Backend
- OVN architectural framework
- Key OVN components
- Comparison of ML2 drivers: OVN vs. OvS
- Top-down perspective on OVN networking
- OpenStack logic via the Neutron database
- Northbound database structure
- Southbound database structure
- Logical datapath pipelines
- Logical flow definitions
- OpenFlow flow mechanisms
- Correlation between Neutron networks and OVN logical switches
- Types of logical ports
- Switching flow logic
- Correlation between Neutron routers and OVN logical routers
- NAT configurations
- Routing flow logic
- Neutron subnets and native DHCP services
- DHCP flow processing
- Implementation of security groups in OVN
- ACLs and Port Groups
- Security group flow rules
- Port security mechanisms within OVN
- Overview of OVN Northbound tables
- Data flow within the OVN system
- Integration of Neutron DB, OVN NB and SB DBs, and OpenFlow at OvS
- Tracing logical flows
- Definition of microflows
- L2 layer tracing
- L3 layer tracing
- DHCP process tracing
- Physical flows and OpenFlow
- The physical lifecycle of a packet originating from a VM
- Physical packet tracing
- Tracing hypothetical packet paths
- Tracing actual packet flows
- Viewing Open vSwitch databases and resources
Requirements
- Strong networking fundamentals
- Foundational understanding of cloud computing concepts
- Hands-on experience with Linux operating system administration
21 Hours
Testimonials (1)
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