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Duration 21 hours
Course Outline
1. Introduction to OpenStack
- The evolution of cloud computing and OpenStack
- Key features of cloud environments
- Cloud models
- Private, public, and hybrid architectures
- On-premise setups, IaaS, PaaS, and SaaS
- Implementing public and private clouds using OpenStack
- Comparison of open-source and commercial OpenStack distributions
- Different OpenStack deployment strategies
- The OpenStack ecosystem
- Core modules
- Foundational tools
- Integration capabilities
- The OpenStack project lifecycle
- Professional OpenStack certifications
- Setup for the course’s OpenStack lab environment (VM)
2. Practical Management of OpenStack Clouds
- Familiarizing yourself with OpenStack
- Core components: Keystone, Glance, Nova, Neutron, Cinder, and Heat
- Interacting with the OpenStack cloud
- Understanding daemon operations and API communication flows
- Keystone: Identity Management Service
- Managing domains, projects, users, and roles
- Navigating the service catalogue and endpoints
- Configuring CLI clients using openrc and clouds.yaml files
- Creating new users and projects
- Glance: Image Service
- Optimizing images for cloud deployment
- Image characteristics (properties, metadata, format, container type)
- Uploading and retrieving images
- Neutron: Networking
- Neutron architecture overview
- Implementing ML2 plugins for Neutron
- Basic Neutron network resource types
- Networking operations at the Compute Node
- Managing tenant networks and subnets
- East-West routing
- Managing external and provider networks
- North-South routing
- Managing Floating IPs
- Configuring security groups and rules
- Preventing spoofing through port security
- Enforcing networking quotas
- Validating Neutron services
- Nova: Compute Service
- Nova architecture overview
- Hypervisor interfaces
- Key pair management
- Flavour management
- Instance configuration parameters
- Provisioning instances
- Instance lifecycle management
- Assigning Floating IPs
- Accessing interactive consoles and logs
- Applying security groups
- Retrieving instance data via the metadata namespace
- Capturing interface traffic with tcpdump
- Live migration of virtual machines
- Cinder: Block Storage
- Volume configuration parameters
- Provisioning volumes
- Volume management
- Attaching volumes to Nova instances
3. Advanced Analysis of Neutron and its OVN Backend
- OVN architecture principles
- Key OVN components
- Comparing ML2 drivers: OVN vs. Ovs
- Top-down approach to OVN networking
- OpenStack logic (Neutron database)
- Northbound database
- Southbound database
- Logical datapath pipelines
- Logical flows
- OpenFlow flows
- Mapping Neutron networks to OVN logical switches
- Logical port types
- Switching logic and flows
- Mapping Neutron routers to OVN logical routers
- NAT implementations
- Routing logic and flows
- Neutron subnets and native DHCP integration
- DHCP flow mechanisms
- Implementing security groups within OVN
- ACLs and Port Groups
- Security group flow rules
- Port security in the OVN context
- Overview of OVN Northbound tables
- Data flow within OVN
- Interaction between Neutron DB, OVN NB/SB DB, and OpenFlow in Ovs
- Tracing logical flows
- Defining microflows
- L2 level tracing
- L3 level tracing
- DHCP process tracing
- Physical flows via OpenFlow
- Tracking the lifecycle of VM-originated packets
- Physical traffic tracing
- Simulating traces for hypothetical packets
- Analyzing traces for actual network packets
- Inspecting Open vSwitch databases and resources
Requirements
- Strong foundational knowledge of networking principles
- Understanding of cloud computing concepts
- Hands-on experience managing Linux operating systems
Testimonials (1)
communication, knowledge from experience, solve problems,
