Course Outline

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 catalog 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

Requirements

  • Solid networking knowledge
  • Basic knowledge of cloud computing paradigm
  • Practical knowledge of administering Linux operating systems
 21 Hours

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Price per participant

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