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Course Outline
1. Introduction to OpenStack
- The history of cloud computing and the evolution of OpenStack
- Essential characteristics of cloud infrastructure
- Cloud deployment models
- Private, public, and hybrid environments
- On-premise infrastructure, IaaS, PaaS, and SaaS paradigms
- Implementing public and private cloud solutions using OpenStack
- Comparison of open-source and commercial OpenStack distributions
- Various strategies for deploying OpenStack
- The broader OpenStack ecosystem
- Core modules and components
- Foundational tools
- Integration capabilities
- The operational lifecycle of OpenStack
- Understanding OpenStack certification pathways
- Setting up the OpenStack virtual machine laboratory for this course
2. Practical Management of OpenStack Clouds
- Familiarizing with the OpenStack environment
- 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 Services
- Managing domains, projects, users, and roles
- Configuring the service catalogue and endpoints
- Utilizing Openrc and clouds.yaml for CLI client configuration
- Procedures for creating users and projects
- Glance: Image Services
- Preparing images compatible with cloud environments
- Image attributes, including properties, metadata, formats, and containers
- Processes for uploading and downloading images
- Neutron: Networking Services
- An overview of the Neutron architectural design
- Implementation of ML2 plugins for Neutron
- Core network resource types in Neutron
- Networking operations at the Compute Node level
- Managing tenant networks and subnets
- Configuring East-West routing
- Administering external and provider networks
- Configuring North-South routing
- Management of Floating IPs
- Defining security groups and rules
- Implementing anti-spoofing measures via port security
- Configuring networking quotas
- Verifying the status of Neutron services
- Nova: Compute Services
- Understanding the Nova architecture
- Interfaces connecting to hypervisors
- Managing key pairs
- Managing instance flavours
- Configuring instance parameters
- The process of creating an instance
- Ongoing instance management
- Assigning floating IPs to instances
- Accessing the interactive console and reviewing console logs
- Assigning security groups to instances
- Accessing instance data via the metadata namespace
- Monitoring instance interfaces using tcpdump
- Performing live migration of virtual machines
- Cinder: Block Storage Services
- Configuring volume parameters
- The process of creating storage volumes
- Managing existing volumes
- Attaching volumes to Nova instances
3. In-Depth Analysis of Neutron and its OVN Backend
- The architectural framework of OVN
- Identification of key OVN components
- Comparison between ML2 OVN and OvS drivers
- Top-down approach to OVN networking
- OpenStack logic and the Neutron database structure
- The Northbound database structure
- The Southbound database structure
- Logical datapath pipelines
- Configuration of logical flows
- Implementation of OpenFlow flows
- Correspondence between Neutron networks and OVN logical switches
- Types and management of logical ports
- Configuring switching flows
- Correspondence between Neutron routers and OVN logical routers
- Different types of NAT
- Configuring routing flows
- Neutron subnets and native DHCP functionality
- Configuring DHCP flows
- Implementing security groups within OVN
- Utilizing ACLs and Port Groups
- Defining security group flows
- Enforcing port security in the OVN environment
- A summary of OVN Northbound tables
- Understanding information flow within OVN
- Data movement across the Neutron DB, OVN NB and SB databases, and OpenFlow on OvS
- Techniques for logical flow tracing
- Defining microflows for analysis
- L2 packet tracing methods
- L3 packet tracing methods
- Tracing DHCP interactions
- Physical flow analysis using OpenFlow
- The physical lifecycle of a packet originating from a VM
- Practical physical tracing exercises
- Tracing hypothetical packet paths
- Tracing actual live packets
- Inspecting the Open vSwitch database and associated resources
Requirements
- Proficient understanding of networking fundamentals
- Familiarity with the principles of cloud computing
- Hands-on experience in administering Linux operating systems
21 Hours
Testimonials (1)
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