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Duration 21 hours
Course Outline
1. Introduction to OpenStack
- Historical context of cloud computing and OpenStack
- Key features of cloud environments
- Cloud models
- Private, public, and hybrid architectures
- On-premise, IaaS, PaaS, and SaaS models
- Public and private cloud implementations using OpenStack
- Comparison of open-source and commercial OpenStack distributions
- Various OpenStack deployment strategies
- The OpenStack ecosystem
- Core modules
- Supporting tools
- System integrations
- The OpenStack lifecycle
- OpenStack certification pathways
- OpenStack laboratory environment (VM) for this course
2. Practical Management of OpenStack Cloud
- Familiarization with OpenStack
- Core components (Keystone, Glance, Nova, Neutron, Cinder, Heat)
- Methods of interaction with the OpenStack cloud
- Daemons and API communication workflows
- Keystone - Identity Management Service
- Structure of domains, projects, users, and roles
- Service catalog and endpoint management
- Configuration of CLI clients using openrc and clouds.yaml
- Procedure for creating users and projects
- Glance - Image Service
- Adapting images for cloud environments
- Image characteristics (properties, metadata, format, container)
- Processes for uploading and downloading images
- Neutron - Networking
- Architectural overview of Neutron
- ML2 plugins within Neutron
- Basic Neutron network resource types
- Networking implementation on Compute Nodes
- Management of tenant networks and subnets
- East-West routing mechanisms
- Management of external and provider networks
- North-South routing mechanisms
- Administration of Floating IPs
- Configuration of security groups and rules
- Anti-spoofing measures and port security
- Networking quota management
- Verification of Neutron services
- Nova - Compute Service
- Nova architectural components
- Interfaces to hypervisors
- Keypair management
- Flavor management
- Instance parameter configuration
- Instance creation procedures
- Ongoing instance management
- Assignment of floating IPs
- Use of interactive console and console logs
- Application of security groups
- Instance access via the metadata namespace
- Packet capture on instance interfaces using tcpdump
- Live migration of virtual machines
- Cinder - Block Storage
- Volume parameter configuration
- Volume creation
- Volume management
- Attaching volumes to Nova instances
3. In-Depth Analysis of Neutron and its OVN Backend
- OVN architectural overview
- Key OVN components
- Comparison of ML2 drivers: OVN vs OvS
- Top-down perspective on OVN networking
- OpenStack logic (Neutron database)
- Northbound database structure
- Southbound database structure
- Logical datapath pipelines
- Logical flows
- OpenFlow flows
- Mapping Neutron networks to OVN logical switches
- Types of logical ports
- Switching flow logic
- Mapping Neutron routers to OVN logical routers
- NAT types
- Routing flow logic
- Neutron subnets and native DHCP support
- DHCP flow mechanics
- Implementation of security groups in OVN
- Use of ACLs and Port Groups
- Security group flow logic
- Port security within OVN
- Overview of OVN Northbound tables
- Data flow within OVN
- Interaction between Neutron DB, OVN NB and SB DB, and OpenFlow at OvS
- Tracing logical flows
- Definition of microflows
- L2 layer tracing
- L3 layer tracing
- DHCP tracing
- Physical flows using OpenFlow
- End-to-end lifecycle of a VM-originated packet
- Physical flow tracing
- Tracing hypothetical packet paths
- Tracing real-world packet paths
- Displaying Open vSwitch databases and resources
Requirements
- Strong foundational knowledge of networking concepts
- Basic understanding of the cloud computing paradigm
- Hands-on experience with Linux operating system administration
Testimonials (1)
communication, knowledge from experience, solve problems,
