1. Introduction to OpenStack

• History of the cloud and OpenStack
• Cloud features
• Cloud models
  • private, public, hybrid
  • on-premise, IaaS, PaaS, SaaS
• Public and private cloud deployments based on OpenStack
• Open source and commercial OpenStack distributions
• OpenStack deployment models
• OpenStack ecosystem
  • Modules
  • Underlying tools
  • Integrations
• OpenStack lifecycle
• OpenStack certification
• OpenStack lab (VM) for this course

2. Management of OpenStack cloud in practice

• Getting to know OpenStack 
  • OpenStack components (Keystone, Glance, Nova, Neutron, Cinder, Heat)
  • Interaction with OpenStack cloud
  • OpenStack daemons and API communication flow
• 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 adjusted to the cloud
  • Image features (properties, metadata, format, container)
  • Uploading and downloading image
• Neutron - Networking
  • Overview of the Neutron architecture
  • ML2 plugins for Neutron
  • Basic Neutron network resource types
  • Networking at the Compute Node
  • Manage tenant networks, subnets
  • East-West routing
  • Manage external/provider networks
  • North-South routing
  • Floating IPs management
  • Manage security groups and rules
  • Anti-spoofing - port security
  • Networking quotas
  • Verification of Neutron services
• Nova - Compute service
  • Nova architecture
  • Interfaces to hypervisors
  • Keypair management
  • Flavour management
  • Instance parameters
  • Creating an instance
  • Instance management
  • Assigning floating IPs
  • Interactive console and console log
  • Security groups assignment
  • Accessing the instance via metadata namespace
  • Tapping into instance interface via tcpdump
  • Live-migration of the VM
• Cinder - Block Storage
  • Volume parameters
  • Creating volume
  • Manage volume
  • Attaching volume to Nova instance

3. Deep-dive into Neutron and it’s 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
• Summary 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
  • Physical live-cycle of VM-originated packet
• Physical tracing
  • Tracing for hypothetical packets
  • Tracing for real packets
• Displaying Open vSwitch database and resources