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Duration 21 hours
Course Outline
1. Introduction to OpenStack
- The evolution of the cloud and OpenStack
- Key cloud characteristics
- Cloud deployment models
- Private, public, and hybrid
- On-premise, IaaS, PaaS, and SaaS
- Implementing public and private clouds using OpenStack
- Comparing open source and commercial OpenStack distributions
- Strategies for OpenStack deployment
- The OpenStack ecosystem
- Core modules
- Underlying tools
- Integrations
- The OpenStack lifecycle
- OpenStack certification
- Virtual lab (VM) setup for this course
2. Practical Management of OpenStack Cloud
- Familiarizing with OpenStack
- Core components (Keystone, Glance, Nova, Neutron, Cinder, Heat)
- Interacting with the OpenStack cloud environment
- Communication flows between OpenStack daemons and APIs
- Keystone - Identity Management Service
- Domains, projects, users, and roles
- Service catalog and endpoints
- Configuring CLI clients via Openrc and clouds.yaml
- Provisioning users and projects
- Glance - Image Service
- Cloud-optimized images
- Image attributes (properties, metadata, format, container)
- Image upload and download procedures
- Neutron - Networking
- Architectural overview of Neutron
- ML2 plugins for Neutron
- Essential Neutron network resource types
- Networking functions at the Compute Node
- Managing tenant networks and subnets
- East-West routing
- Managing external/provider networks
- North-South routing
- Floating IP management
- Configuring security groups and rules
- Anti-spoofing measures via port security
- Networking quotas
- Validating Neutron services
- Nova - Compute Service
- Nova architecture
- Hypervisor interfaces
- Keypair management
- Flavour management
- Instance parameters
- Instance creation
- Instance lifecycle management
- Assigning floating IPs
- Using the interactive console and console logs
- Applying security groups
- Accessing instance data via the metadata namespace
- Capturing instance interface traffic with tcpdump
- Live-migration of virtual machines
- Cinder - Block Storage
- Volume parameters
- Volume creation
- Volume administration
- Attaching volumes to Nova instances
3. In-Depth Analysis of Neutron and its OVN Backend
- OVN architecture
- OVN components
- Comparing ML2 - OVN vs. OvS drivers
- Top-down approach to OVN networking
- OpenStack logic (Neutron database)
- Northbound database
- Southbound database
- Logical datapath pipelines
- Logical flows
- OpenFlow flows
- Correlating Neutron networks with OVN logical switches
- Logical ports and their types
- Switching flows
- Correlating Neutron routers with OVN logical routers
- NAT types
- Routing flows
- Neutron subnets and native DHCP
- DHCP flows
- Security groups within OVN
- ACLs and Port Groups
- Security group flows
- Port security implementation in OVN
- Overview of OVN Northbound tables
- Data flow through OVN
- From Neutron DB to OVN NB/SB DB, and finally to OpenFlow at OvS
- Logical flow tracing
- Defining microflows
- L2 tracing
- L3 tracing
- DHCP tracing
- Physical flows and OpenFlow
- The physical lifecycle of a packet originating from a VM
- Physical tracing
- Tracing hypothetical packets
- Tracing real-world packets
- Inspecting Open vSwitch databases and resources
Requirements
- Strong networking fundamentals
- Foundational understanding of cloud computing concepts
- Practical experience in administering Linux operating systems
Testimonials (1)
communication, knowledge from experience, solve problems,
