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Course Outline
1. Introduction to OpenStack
- The history of cloud computing and OpenStack
- Key characteristics of the cloud
- Cloud models
- Private, public, and hybrid
- On-premise, IaaS, PaaS, and SaaS
- Public and private cloud deployments using OpenStack
- Open-source and commercial OpenStack distributions
- OpenStack deployment models
- The OpenStack ecosystem
- Modules
- Underlying tools
- Integrations
- The OpenStack lifecycle
- OpenStack certification
- OpenStack lab (VM) setup for this course
2. Managing an OpenStack Cloud in Practice
- Familiarising yourself with OpenStack
- OpenStack components (Keystone, Glance, Nova, Neutron, Cinder, Heat)
- Interacting with the OpenStack cloud
- OpenStack daemons and API communication flows
- Keystone - Identity Management Service
- Domains, projects, users, and roles
- Service catalogue and endpoints
- Openrc and clouds.yaml - CLI client configuration files
- Creating users and projects
- Glance - Image Service
- Images tailored for the cloud
- Image features (properties, metadata, format, container)
- Uploading and downloading images
- Neutron - Networking
- Overview of Neutron architecture
- ML2 plugins for Neutron
- Basic Neutron network resource types
- Networking on the Compute Node
- Managing tenant networks and subnets
- East-West routing
- Managing external and provider networks
- North-South routing
- Floating IP management
- Managing security groups and rules
- Anti-spoofing - port security
- Networking quotas
- Verifying Neutron services
- Nova - Compute Service
- Nova architecture
- Hypervisor interfaces
- Keypair management
- Flavour management
- Instance parameters
- Creating an instance
- Instance management
- Assigning floating IPs
- Interactive console and console log
- Assigning security groups
- Accessing instance metadata namespace
- Capturing instance interface traffic using tcpdump
- Live migration of the VM
- Cinder - Block Storage
- Volume parameters
- Creating a volume
- Managing a volume
- Attaching a volume to a Nova instance
3. In-Depth Analysis of Neutron and its OVN Backend
- OVN architecture
- OVN components
- ML2: OVN vs OVS driver
- Top-down OVN networking
- OpenStack logic (Neutron database)
- Northbound database
- Southbound database
- Logical datapath pipelines
- Logical flows
- OpenFlow flows
- Neutron network and OVN logical switch
- Logical ports and their types
- Switching flows
- Neutron router and OVN logical router
- NAT types
- Routing flows
- Neutron subnet and native DHCP
- DHCP flows
- Security groups in OVN
- ACLs and Port Groups
- Security group flows
- Port security in OVN
- Overview of OVN Northbound tables
- Information flow in OVN
- Neutron DB, OVN NB and SB DB, OpenFlow at OVS
- Logical flow tracing
- Defining microflows
- L2 tracing
- L3 tracing
- DHCP tracing
- Physical flows - OpenFlow
- The physical lifecycle of a VM-originated packet
- Physical tracing
- Tracing hypothetical packets
- Tracing real packets
- Displaying Open vSwitch database and resources
Requirements
- Robust networking knowledge
- Fundamental understanding of the cloud computing model
- Practical experience in administering Linux operating systems
21 Hours
Testimonials (1)
communication, knowledge from experience, solve problems,
