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Course Outline
1. Introduction to OpenStack
- The evolution of cloud computing and OpenStack
- Key cloud features
- Cloud models
- Private, public, and hybrid environments
- On-premise, IaaS, PaaS, and SaaS
- Public and private cloud deployments utilizing OpenStack
- Open source versus commercial OpenStack distributions
- OpenStack deployment models
- The OpenStack ecosystem
- Modules
- Foundational tools
- Integrations
- The OpenStack lifecycle
- OpenStack certification
- OpenStack lab environment (VM) for this course
2. Managing an OpenStack cloud in practice
- Familiarizing oneself 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 attributes (properties, metadata, format, container)
- Uploading and downloading images
- Neutron - Networking
- Overview of Neutron architecture
- ML2 plugins for Neutron
- Basic Neutron network resource types
- Networking at the Compute Node
- Managing tenant networks and subnets
- East-West routing
- Managing external/provider networks
- North-South routing
- Floating IP management
- Managing security groups and rules
- Anti-spoofing and port security
- Networking quotas
- Verifying Neutron services
- Nova - Compute service
- Nova architecture
- Interfaces to hypervisors
- Key pair management
- Flavour management
- Instance parameters
- Creating an instance
- Instance management
- Assigning floating IPs
- Interactive console and console logs
- Assigning security groups
- Accessing instances via the metadata namespace
- Capturing instance traffic via tcpdump
- Live migration of the VM
- Cinder - Block Storage
- Volume parameters
- Creating volumes
- Managing volumes
- Attaching volumes to Nova instances
3. A detailed exploration 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 networks and OVN logical switches
- Logical ports and their types
- Switching flows
- Neutron routers and OVN logical routers
- NAT types
- Routing flows
- Neutron subnets 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 within OVN
- Neutron DB, OVN NB and SB DB, and 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 databases and resources
Requirements
- Strong networking knowledge
- Fundamental understanding of cloud computing principles
- Hands-on experience administering Linux operating systems
21 Hours
Testimonials (1)
communication, knowledge from experience, solve problems,
