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Duration 21 hours
Course Outline
1. Introduction to OpenStack
- The evolution of the cloud and the history of OpenStack
- Essential characteristics of cloud environments
- Cloud deployment models
- Private, public, and hybrid setups
- On-premise, IaaS, PaaS, and SaaS
- Implementing public and private clouds using OpenStack
- Comparison between open-source and commercial OpenStack distributions
- Variations in OpenStack deployment models
- The OpenStack ecosystem
- Core modules
- Foundational tools
- Integration capabilities
- The OpenStack operational lifecycle
- Overview of OpenStack certification pathways
- Introduction to the dedicated OpenStack lab environment (VM) for this course
2. Practical Management of OpenStack Clouds
- Familiarizing with OpenStack components
- Key services: Keystone, Glance, Nova, Neutron, Cinder, and Heat
- Interacting with the OpenStack cloud interface
- Understanding daemon processes and API communication flows
- Keystone - Identity Management Service
- Management of domains, projects, users, and roles
- Service catalog and endpoint configuration
- Configuring CLI clients using openrc and clouds.yaml
- Procedures for creating users and projects
- Glance - Image Service
- Adapting images for cloud environments
- Image attributes (properties, metadata, format, and container)
- Techniques for uploading and downloading images
- Neutron - Networking
- Architectural overview of Neutron
- ML2 plugins within Neutron
- Basic Neutron network resource types
- Networking mechanics at the Compute Node
- Managing tenant networks and subnets
- East-West routing configuration
- Handling external and provider networks
- North-South routing strategies
- Managing Floating IPs
- Configuring security groups and rules
- Anti-spoofing measures and port security
- Managing networking quotas
- Verifying the status of Neutron services
- Nova - Compute Service
- Nova architectural design
- Interfaces with hypervisors
- Keypair management
- Flavour management
- Instance parameter configuration
- Instance creation procedures
- Ongoing instance management
- Assigning Floating IPs
- Accessing the interactive console and viewing console logs
- Applying security groups
- Accessing instances via the metadata namespace
- Using tcpdump to tap into instance interfaces
- Live migration of virtual machines
- Cinder - Block Storage
- Configuring volume parameters
- Creating storage volumes
- Managing existing volumes
- Attaching volumes to Nova instances
3. In-Depth Analysis of Neutron and its OVN Backend
- OVN architectural framework
- Key components of OVN
- Comparing ML2 OVN and OvS drivers
- Top-down approach to OVN networking
- OpenStack logic (Neutron database)
- Northbound database structure
- Southbound database structure
- Logical datapath pipelines
- Logical flow definitions
- OpenFlow flow implementation
- Mapping Neutron networks to OVN logical switches
- Logical ports and their classification
- Switching flow logic
- Mapping Neutron routers to OVN logical routers
- Types of Network Address Translation (NAT)
- Routing flow logic
- Neutron subnets and native DHCP integration
- DHCP flow mechanisms
- Implementing security groups in OVN
- Use of ACLs and Port Groups
- Security group flow processing
- Port security within the OVN context
- Comprehensive summary of OVN Northbound tables
- Information flow within OVN
- Interplay between Neutron DB, OVN NB and SB DB, and OpenFlow at OvS
- Tracing logical flows
- Defining microflows
- Layer 2 (L2) tracing
- Layer 3 (L3) tracing
- DHCP tracing procedures
- Physical flows via OpenFlow
- The physical lifecycle of packets originating from VMs
- Physical packet tracing
- Tracing hypothetical packet paths
- Tracing real-world packet traffic
- Inspecting the Open vSwitch database and associated resources
Requirements
- Strong proficiency in networking concepts
- Fundamental understanding of cloud computing principles
- Hands-on experience in managing Linux operating systems
Testimonials (1)
communication, knowledge from experience, solve problems,
