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Duration 21 hours
Course Outline
1. Introduction to OpenStack
- The evolution of the cloud and OpenStack
- Key cloud features
- Cloud models
- private, public, and hybrid
- on-premise, IaaS, PaaS, and SaaS
- Public and private cloud deployments utilizing OpenStack
- Open source and commercial OpenStack distributions
- OpenStack deployment models
- The OpenStack ecosystem
- Modules
- Underlying tools
- Integrations
- The OpenStack lifecycle
- OpenStack certification
- Dedicated OpenStack lab (VM) for this course
2. Managing OpenStack clouds in practice
- Understanding OpenStack
- Core 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 catalogues and endpoints
- Openrc and clouds.yaml – CLI client configuration files
- Creating users and projects
- Glance – Image service
- Images optimized 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 on Compute Nodes
- 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 and port security
- Networking quotas
- Verifying Neutron services
- Nova – Compute service
- Nova architecture
- Interfaces to hypervisors
- Keypair management
- Flavor management
- Instance parameters
- Creating instances
- Instance management
- Assigning floating IPs
- Interactive console and console logs
- Assigning security groups
- Accessing instances via the metadata namespace
- Monitoring instance interfaces using tcpdump
- Live migration of VMs
- Cinder – Block Storage
- Volume parameters
- Creating volumes
- Managing volumes
- Attaching volumes to Nova instances
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 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 in OVN
- Neutron DB, OVN NB and SB DB, and OpenFlow at OvS
- Tracing logical flows
- 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 the Open vSwitch database and resources
Requirements
- Strong foundational knowledge in networking
- Basic understanding of cloud computing paradigms
- Practical experience in administering Linux operating systems
Testimonials (1)
communication, knowledge from experience, solve problems,
