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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 the OpenStack cloud
- OpenStack daemons and API communication flow
- 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 adjusted to the cloud
- Image features (properties, metadata, format, container)
- Uploading and downloading images
- Neutron - Networking
- Overview of the 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 IPs management
- Managing security groups and rules
- Anti-spoofing - port security
- Networking quotas
- Verification of Neutron services
- Nova - Compute service
- Nova architecture
- Interfaces to hypervisors
- Key pair management
- Flavor management
- Instance parameters
- Creating an instance
- Instance management
- Assigning floating IPs
- Interactive console and console log
- Security group assignment
- Accessing the instance via the metadata namespace
- Tapping into the instance interface via tcpdump
- Live migration of the VM
- Cinder - Block Storage
- Volume parameters
- Creating a volume
- Managing a volume
- Attaching a volume to a Nova instance
3. Deep-dive into 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 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 the cloud computing paradigm
- Practical knowledge of administering Linux operating systems
21 Hours
Testimonials (2)
communication, knowledge from experience, solve problems,
Marcin Walewski - Intel Technology Poland Sp. z o.o.
Course - OpenStack Bootcamp
The virtual desktop in a browser feature was kind of neat.
