Certified OpenStack Administrator

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Course Code ALTA3-COSA
Duration 5 days
Available Formats Classroom
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Course Details

OpenStack Architecture Overview

Alta3 Proof of Concept Deployment

  • Nodes
  • Controller Node
  • Neutron Node (Networking Node)
  • Compute Nodes (Compute)
  • Storage Node
  • OpenStack Deployment Recommendations

Big Picture

  • OpenStack Big Picture
  • IaaS (Infrastructure as a Service)
  • PaaS (Platform as a Service)
  • SaaS (Software as a Service)
  • OpenStack XaaS

OpenStack Foundation

  • OpenStack Foundation, Design Summits, and Releases

Versions

  • OpenStack Versions

Horizon

Overview

  • OpenStack Services in Detail
  • Horizon

Dashboard

  • Horizon Dashboard
  • Overview of Domain, Project (Tenant), and User
  • Admin > System > Hypervisors
  • Project > Compute > Overview
  • Identity > Projects
  • Instances

Managing Guest VMs

Python Clients

  • IaaS - Horizon & CLI
  • CLI uses OpenStack python-clients
  • The OpenStack python-openstackclient (OSC)
  • Using the CLI python-openstackclient
  • Finding a python-openstackclient command at the Linux CLI
  • Common CLI python-openstackclient commands to know…

Lab Access

  • Labs @ https://alta3.com/labs/openstack/
  • Connecting to your remote desktop lab environment
  • Inside your remote desktop lab environment
  • How to drive your remote desktop

Hypervisors

Overview

  • The Virtual Machine Stack
  • The Old Way without Virtualization
  • Virtualization
  • A Snowflake Computer on Bare Metal
  • A Virtualized System installed on a Bare Metal Hypervisor
  • The Top Half of the Hypervisor
  • The “Bottom Half” of the Hypervisor
  • Why is the Hypervisor shown as an upper and lower portions?

Images

  • “Imaging” the Operating System
  • Imaging our Machine

Migration

  • “Migrating” the Virtual Machine

Compute

  • “Compute”
  • Compute Space Example
  • Compute Space Example
  • Assemble the Node
  • Install the Hypervisor
  • The Compute Space
  • Resulting Compute Space with just 2 Intel Xeon E5-2699 v3 CPUs
  • Intel’s Most Powerful Processor (July 20, 2015)
  • Compute Space Example

Compute Cloud

  • A “360-Core” Cloud
  • Clouds not Cloud
  • Remember we talked about "Migrating?
  • Migrating
  • Instantiation
  • Oversubscribing 16:1 is the OpenStack Default!

Virtualization Types

  • Virtualization Techniques
  • x86 CPU Privilege Level - No virtualization
  • Popek and Goldberg Virtualization Requirements (1974)
  • Binary Translation - VMware 1998 x86 Solution
  • Para Virtualization
  • Kernel-Only Instructions (No Virtualization)
  • Hardware Assisted Virtualization

Keystone

Overview

  • Keystone
  • Tokens - what they are and why you need them
  • Token Types - UUID tokens (old) vs PKI tokens (new)
  • Projects, Roles, Users & Groups
  • How Domains work with Projects, Roles, Users & Groups
  • OpenStack Shell Command Permissions
  • Keystone Authentication Message Flow
  • How to use curl with the Keystone Identity API

Permissions

  • Keystone Access - Token and Service Catalog

Nova

nova-api

  • Nova API

nova-scheduler

  • Nova Scheduler

Nova Architecture

  • Nova Cert
  • Nova Compute
  • Nova Hypervisor Support
  • Nova Console
  • Nova Conductor
  • Nova Compute Interfaces
  • Nova Components
  • Nova Review

Management

  • Nova-api CLI

SDN

Stack

  • Network Functions Virtualization (NFV)
  • Network Functions Virtualization (NFV)

Overview

  • Virtualize the Middleboxes
  • Goal: All routers share the same picture
  • Goal: All routers share the same picture
  • Goal: “Network Omniscience”
  • Goal: “Networking Becomes Software Defined”
  • The Current State of Networking
  • The Current State of Networking
  • SDN Déj  vu?
  • If H.248 behaved like SDN (OpenFlow)
  • Defining Software “Abstraction”
  • Abstracting the Network
  • SDN in a Nutshell
  • SDN in a Nutshell
  • Isolating Networks
  • Yet Another Abstraction: Network Slicing
  • SDN Architecture

OpenFlow

  • Merchant Silicon Example
  • Requirement: Non blocking at 10 Gbps
  • OpenFlow
  • OpenFlow Example
  • OpenFlow Example
  • Forwarding an Audio Packet
  • Destination MAC Address
  • Type Field means “An IP header is next”
  • IP Source Address Validity Check
  • IP Destination Address
  • IP Destination Address
  • Deep Packet Inspection (DPI) “Crossing the Line”
  • The “Really Bad” Stuff is Always BELOW the Line
  • Fabrics are Really Fast

Data Center Fabric

Overview

  • Classic Hierarchical Network Design
  • Classic Hierarchical Network Design
  • TRILL
  • Path #1
  • Path #2
  • Path #3
  • Path #4
  • Interfacing NFV with the Fabric

NFV Integration

  • vSwitch
  • Namespace and the “veth”
  • Heat Makes Clouds Rise
  • vSwitch vs Hardware Switch
  • Virtual Router

OpenStack Networking

Neutron

  • Why Traditional Networking is Inefficient
  • Network Virtualization
  • Agents and Plugins
  • Agents
  • Neutron Configuration

Architecture

  • Nova Networking - Flat Mode (Generation 1)
  • Nova Networking - Flat Mode + DHCP (Generation 2)
  • Nova Networking - Multi-Host Mode (Generation 3)
  • VLAN
  • VXLAN Packet Headers
  • GRE Packet Headers
  • Compute Node Network OVS Integration
  • Compute Node Network OVS Integration
  • Neutron Networking (Generation 4)
  • East West Traffic in Neutron Networking without Distributed Virtual Router
  • Neutron Networking Distributed Virtual Router (Generation 5)
  • East West Traffic with Distributed Virtual Router
  • East West Traffic with Distributed Virtual Router
  • North South SNAT Traffic with Distributed Virtual Router
  • North South Floating IP Traffic with Distributed Virtual Router
  • Neutron Big Picture with Open vSwitch

Network Namespace

  • Heat Makes Clouds Rise

OpenvSwitch

  • Traditional VM Ethernet Processing
  • Intel VMDq (Virtual Machine Device Queues)
  • Intel SR-IOV (Single Root IO Virtualization)

Wiring an OpenStack Node

  • How do I Physically wire an OpenStack Node?
  • Step one: Physical Wiring
  • Step Two: Bonding (1 of 2)
  • Step 2 Bonding (2 of 2)
  • Step 3 VLAN (1 of 4)
  • Step 3: VLAN (2 of 4)
  • Step 3: VLAN (3 of 4)
  • Step 3: VLAN (4 of 4)
  • Step 4: Network Function Virtualization
  • Step 5: Tie it all together in a single diagram

OpenStack Network Function Virtualization

  • Network Function Virtualization
  • 8 Network Function Virtualization Components
  • Why Two Bridges?
  • Simple NFV (Network Function Virtualization) Example
  • OVS-based openstack “wiring”

Provider vs Tenant Networks

  • Provider vs. Tenant Networks
  • Tenant Networking Exam
  • Tenant Network Example (1 of 5)
  • Tenant Network Example (2 of 5)
  • Tenant Network Example (4 of 5)
  • Tenant Network Example (5 of 5)
  • Provider Networks
  • NFV Provider Network “wiring”
  • OVS-based openstack “wiring”
  • Connecting directly to the Provider Network

Configuring Neutron

  • Configuring Neutron
  • Creating an OpenStack Provider Network from Neutron to NFV
  • The neutron command structure
  • The ml2_conf.ini file
  • openvswitch_agent.ini file
  • Attaching OpenStack to Network Function Virtualization
  • Neutron Plugins

Glance

Architecture

  • Glance
  • Basic Architecture
  • Glance Command Line
  • Container Format
  • Disk Format
  • Common Image Properties

Image

  • Metadata Definition Catalog (Juno tries to herd the cats)

Swift

Overview

  • Swift
  • Block vs Object Storage
  • Object Storage Examples
  • Defining an Object
  • HTTP RESTful API

Working with Swift

  • Analyzing the Swift URL
  • Data Types
  • Comparing Storage Types: Object, File, Block
  • Consistency vs Availability Example
  • Saving a Swift Object
  • Immutable Cluster Sizing
  • Calculating part_power
  • The Swift Proxy
  • Multiple Swift Proxies and Load Balancing
  • Swift Enhanced Consistent Hashing Ring
  • Durability with MD5 Metadata
  • Durability with Replication
  • Swift Background Auditor
  • Background Replicator
  • Enhanced Consistent Hashing Ring
  • Comparing Swift and Ceph
  • Swift Regions
  • How Ceph and Swift fit in OpenStack

Ceph

Overview

  • Storage Node - Ceph
  • Ceph Advantages
  • RADOS
  • Ceph Architecture
  • Building Ceph Storage Nodes

OSD

  • OSD (Object Storage Daemons)
  • Building Ceph Cluster for Geographic Disparity
  • Configuration to Prepare and Mount the Storage Devices to be Used with Ceph
  • Prepare and Mount the Storage Devices to be Used with Ceph
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