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Duration 21 hours
Course Outline
1. Introduction to OpenStack
- Evolution of the cloud and OpenStack
- Key cloud characteristics
- Cloud deployment models
- Private, public, and hybrid environments
- On-premise, IaaS, PaaS, and SaaS
- Implementing public and private clouds using OpenStack
- Open source versus commercial OpenStack distributions
- OpenStack deployment strategies
- The OpenStack ecosystem
- Core modules
- Foundational tools
- System integrations
- OpenStack lifecycle management
- OpenStack certification pathways
- Setup of the OpenStack lab environment (VM) for this course
2. Practical OpenStack cloud management
- Familiarization with OpenStack
- Key components (Keystone, Glance, Nova, Neutron, Cinder, Heat)
- Interacting with the OpenStack cloud
- Daemon operations and API communication workflows
- Keystone - Identity Management Service
- Configuration of domains, projects, users, and roles
- Service catalogue and endpoint management
- Setting up CLI clients using openrc and clouds.yaml
- Provisioning users and projects
- Glance - Image Service
- Preparing images for cloud deployment
- Image attributes (properties, metadata, format, container)
- Image upload and download procedures
- Neutron - Networking
- Neutron architecture overview
- ML2 plugins for Neutron
- Core Neutron network resource types
- Network operations at the Compute Node
- Management of tenant networks and subnets
- East-West routing configurations
- Management of external/provider networks
- North-South routing configurations
- Floating IP administration
- Security group and rule management
- Anti-spoofing measures via port security
- Network quota enforcement
- Validation of Neutron services
- Nova - Compute Service
- Nova architecture details
- Hypervisor interfaces
- Keypair management
- Flavour management
- Instance parameter configuration
- Instance creation process
- Instance lifecycle management
- Assignment of floating IPs
- Interactive console and console log access
- Security group assignment
- Instance access via the metadata namespace
- Monitoring instance interfaces with tcpdump
- Live VM migration
- Cinder - Block Storage
- Volume parameter configuration
- Volume creation
- Volume management
- Attaching volumes to Nova instances
3. Advanced analysis of Neutron and its OVN backend
- OVN architecture overview
- Core OVN components
- ML2 comparison: OVN vs. OvS driver
- Top-down OVN networking approach
- 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 classifications
- Switching flow definitions
- Neutron routers and OVN logical routers
- NAT types
- Routing flow definitions
- Neutron subnets and native DHCP
- DHCP flow definitions
- Security groups within OVN
- ACLs and Port Groups
- Security group flow definitions
- Port security implementation in OVN
- Overview of OVN Northbound tables
- Data flow within OVN
- Flow from Neutron DB to OVN NB and SB DB, then to OpenFlow at OvS
- Logical flow tracing
- Defining microflows
- L2 tracing
- L3 tracing
- DHCP tracing
- Physical flows via OpenFlow
- Physical lifecycle of packets originating from a VM
- Physical tracing techniques
- Tracing hypothetical packet paths
- Tracing real-world packet paths
- Inspection of Open vSwitch database and resources
Requirements
- Strong foundation in networking principles
- Fundamental understanding of cloud computing concepts
- Practical experience in managing Linux operating systems
Testimonials (1)
communication, knowledge from experience, solve problems,
