Agenda Turbonomic Introduction Architectural Lessons ... · turbonomic.com Additional Benefits -...
Transcript of Agenda Turbonomic Introduction Architectural Lessons ... · turbonomic.com Additional Benefits -...
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Microservices
11/15/2016
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AgendaTurbonomic IntroductionArchitectural Lessons LearnedOrganizational Lessons LearnedQ&A
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Turbonomic Introduction
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A Marketplace of Buyers and Sellers
Buy
Provider VDC
Org VDC
Switch
Array
Physical Machine
Zone
RegionNetwork
4
Data Center
Storage Controller
Storage
vPOD
dPOD
Container
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Commodity
A Marketplace of Buyers and Sellers
Service Entity
SellBuy
5
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Unified Demand-Driven Control Platform
6
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Proof Points in The Journey…
7
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The Monolith
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Analytics
Database
Mediation Components
UCSVC
Repository
Abstraction
JVM
UI ServicesMonolith JTomcat
Eclipse ModelingFramework
Home Grown Repository
MedCom
Turbonomic Legacy Platform
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turbonomic.comCopyright Martin Fowler
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Summary of Initial State
• Monolithic Architecture • Monolithic Team Structure• Release Every Six Months• Few Metrics Captured
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Catalysts for Change
Growth in Customer Base – to over 1500
More Large Environments – up to 100K VMs under management
Geographical Spread of Team – US / Canada / Italy / Greece / Russia
More Frequent Deliveries – Several Times a Year vs. Every 6 mos
Expanding Feature Base – Across the Datacenter
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Current Turbonomic ChallengesTurbonomic Today• In-Memory Repository • First-Generation Analytics Algorithm • Monolithic Services Platform• Flex UI Technology
Consequences• Real-Time Capacity Management & Planning at Scale• Requires Multiple Turbo Instances Plus Aggregator• System Management / Upgrade Complexity• Performance Bottlenecks• Security Issues
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Lesson 1: Adopt and Apply Architectural Principles
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Separation of Concerns:A component should only implement the business function it is mandated to cover and not be concerned with other issues. For example, an Analysis component contains code to compute a set of actions.
Principle
Components can easily and quickly be modified, or even removed and replaced. This could be for a number of reasons, e.g.• Upgrade – as functionality is extended and efficiency increased,
the user can take advantage of the latest version• New technology – as technology changes, it can be quickly
incorporated into new modules, completely replacing the old
Benefit
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PrincipleFaçadesThe primary requirement is that all components are known through their interfaces.
Benefit
Clear Interfaces – Independent Implementation; More Robust Testing, less confusion for developers
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Principles
Runtime Dependency ResolutionIf component A depends on component B (e.g., Market depends on a Pricing Function), B is provided to A rather than A being coded with the way to find B. This results in concise and configurable components.
Code InstrumentationComponents will need to be instrumented in order to be managed at runtime. Java components should be manageable using an API that they expose.
VersioningServices and API Endpoints can be versioned in configuration so that upgrades to software can be managed and controlled.
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- Maintenance: Upgrade, re-configure and examine Individual Components through a single configuration pane-
- No Need to Stop Everything
Benefits
- Delivery: Each component Runs in A Container and can be independently updated
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Additional Benefits- Scalability: new Algorithms, and technology choices, Horizontal
Scale-Out for Increased Capacity – ability to visualize and control arbitrarily large datacenter estates in a single instance
- Performance: Each component runs in its own container and Turbonomic will find the best place for it.
- Resilience: Architecture enables HA
Well-formed ComponentsWell-formed components are those that adhere to the principles listed above. In addition, well-formed components are delivered with built-in, non-regression functional and performance tests. In addition, standard documentation is packaged with components and may be browsed once deployed.
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Lesson 2: Borrow Freely
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What is a Turbonomic Component?
Carries out Specific a Function (e.g., Mediation, REST API, Analysis)
In addition it Implements interfaces for• Manageability• Messaging• Resilience
• And it runs in a container
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Key Interfaces: Resilience
• VMTComponent–Resilience Support
• Purpose: Component Life-Cycle Management
• Provides• Start• Stop• Restart• dumpData
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Key Interfaces: Management
• VMTComponent– Manageability Support
• Purpose: Manage components ‘in flight’
• Provides• Status Assessment• Runtime Configuration Changes
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Control Plane Architecture
Components- Called by CPL - Lifecycle/Config- Calls CPL - Registration/Websocket- Packaged with CPL as Docker Container
Control Plane Library- REST API to Outside World- Lifecycle- Registration- Security / Authentication- Configuration Changes- WebSocket Endpoints –- - Maintenance UI API- Logging / Flow Tracing / Auditing- Statistics
Shared, Persistent Configuration - Properties For Each Component- Current Status For Each Component
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Leverage Modern Open Source Infrastructure
”Buy” Rather Than Build; Many Ways to Get Networked Architecture Wrong
Service Architecture Functions :• Service Registration / Discovery• Networked Configuration• Intelligent Routing• Circuit Breaker• Client-Side Load Balancing• Distributed Tracing
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Control Plane Architecture Enablement
Spring Cloud- REST API to Outside World- Lifecycle- Registration- Security / Authentication- Configuration Changes- WebSocket Endpoints –- - Maintenance UI API- Logging / Flow Tracing / Auditing- Statistics
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Control Plane Architecture Enablement
Consul• Service Discovery: Clients of Consul can provide a service, other clients
can use Consul to discover providers of a given service.
• Health Checking - Consul clients can provide any number of health checks
• Key/Value Store: Multipurpose Key Value Store
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Lesson 3: Document
Even the Basic Stuff
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Example: Creating a New Component
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Abstraction
Analysis
Automation
Turbonomic Autonomic Platform
Topology Processor
Group/Settings/PolicyManager
Identity Service
Repository / Data Aggregator
ActionOrchestrator
DeploymentManager
Integration API
Mediation APIMedCom MedomMedComMedCom MedComMedCom
UI Eco-system of partners
Market Plan Orchestrator
Cop
yrig
ht 2
016,
Tur
bono
mic
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Internal
Config
Interface
Turbonomic Components - Architecture
VMT Component
A
ConfigurationData
Internal
Component A Instance #2
Persistence
Other Component Type
Java Wrapper for Interface A
Persistence
Java Wrapper for Interface A
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Lesson 4: Don’t Abandon the Monolith
Too Quickly
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Define initial set of Clean interfaces In the monolith itself
Define Reusable Components
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Dual Use Components
UI (Flash)
M11.0
Legacy Mediation
Performance
Stability
Single instance scaling limits
Ops MgrManagement
Legacy Monolith
Aggregatorfunctionality
gaps
Obsolete Frameworks
(EMF)
ManageLarge data
centers
Better Manageability
>1M
Entities
Distributed Components
Scalable Repository
GeneralizedScale out HA
XL
New UI M22.0
VC SDK ProbeHyper-V MedCom
ProbeOpenStackPrebe
REST API v2
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Lesson 5: Don’t forget about Security
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Security Concerns
• Open Source - Determine and Correct Vulnerabilities:
• Container Hardening – Containers should have a minimal set of services. Known Vulnerabilities should be eliminated.
• Inter-service communication: - Secure it
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Microservice authentication, and authorization
• AUTHENTICATION microservice• Runs isolated in its own container• Validates user credentials and in the future microservice credentials• JSON Web Token (Stateless)• Similar to OAUTH2 which doesn’t specify a token format. • Decentralized, non-persistent authentication and authorization• JWT contains user authorizations/roles in the payload • JWT is signed by Auth Service and can be verified authentic
• Payload does not contain any sensitive information.• JWTs passed among services (similar to Kerberos)
AUTHSERVICE
OAUTH
AD
LOCAL
3rd Party
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Microservice authentication, and authorization
• Stateless • Token contains all the information required to identify the user, and permissions can be added to the
payload. • No need to maintain session state• User can be passed to any microservice copy. Does not need to be bound.
• Reusable
• Secure• Cookies not required (CRSF attacks do not exist)• Can encrypt tokens (JWE) if any sensitive information is carried• Transmit over HTTPS to prevent MIM attacks
• Fast / Efficient• No server side lookups required to deserialize session on each request.• Calculate the HMAC SHA-256 to validate the token and parse content
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Lesson Last: Test, Build, Test, Measure and Release Often
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Peer Review
.
Organizational Principles for Microservices
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Metrics, Metrics and More Metrics
Testing, testing and more Testing
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Topology Processor
Group/Settings/Policy Manager
Repository DeploymentManagerMarket
Plan Orchestrator
MedCom
UI
Functionality:Retrieve data from customer env
Key features:• Target type specific• Implemented using SDK framework• Using mediation API
Customer Env
ActionOrchestrator
Mediation Component: “MedCom”
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Topology Processor
Topology Processor
Group/Settings/Policy Manager
Repository DeploymentManagerMarket
Plan Orchestrator
MedCom
UI
Functionality:• Orchestrate Mediation Component data
retrieval• Merge/validate data coming from MedComs• Edit topology using policies/settings• Present consistent topology to repo + m2
ActionOrchestrator
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Group/Settings/Policy Manager
Topology Processor
Group/Settings/Policy Manager
Repository
ActionOrchestrator
DeploymentManagerMarket
Plan Orchestrator
UI
Functionality:• Group/settings/policy bookkeeping …• … providing them as needed
MedComCopyright 2016, Turbonomic
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Deployment Manager
Topology Processor
Group/Settings/Policy Manager
Repository
ActionOrchestrator
DeploymentManagerMarket
Plan Orchestrator
UI
Functionality:• Reservation orchestrator• Deployment orchestrator
MedComCopyright 2016, Turbonomic
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Repository
Topology Processor
Group/Settings/Policy Manager
Repository
ActionOrchestrator
DeploymentManagerMarket
Plan Orchestrator
UI
Functionality:• Store/retrieve topologies• Searching capabilities
Key features:• Uses graph database (ArangoDB)
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turbonomic.com
Market
Topology Processor
Group/Settings/Policy Manager
Repository
ActionOrchestrator
DeploymentManagerMarket
Plan Orchestrator
UI
Functionality:• Run analysis on a topology• Generate actions toward desired state
Key features:• Fast• Flexible price function definition• Agnostic to entity and commodity type
MedComCopyright 2016, Turbonomic
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turbonomic.com
Action Orchestrator
Topology Processor
Group/Settings/Policy Manager
Repository
ActionOrchestrator
DeploymentManagerMarket
Plan Orchestrator
UI
Functionality:• Store/retrieve actions• Orchestrate action execution
MedComCopyright 2016, Turbonomic
![Page 57: Agenda Turbonomic Introduction Architectural Lessons ... · turbonomic.com Additional Benefits - Scalability: new Algorithms, and technology choices, Horizontal Scale-Out for Increased](https://reader033.fdocuments.us/reader033/viewer/2022051807/60070937b433b514d47f5aa1/html5/thumbnails/57.jpg)
turbonomic.com
Plan Orchestrator
Topology Processor
Group/Settings/Policy Manager
Repository
ActionOrchestrator
DeploymentManagerMarket
Plan Orchestrator
UI
Functionality:• Store/retrieve plans• Orchestrate plan execution
MedComCopyright 2016, Turbonomic
![Page 58: Agenda Turbonomic Introduction Architectural Lessons ... · turbonomic.com Additional Benefits - Scalability: new Algorithms, and technology choices, Horizontal Scale-Out for Increased](https://reader033.fdocuments.us/reader033/viewer/2022051807/60070937b433b514d47f5aa1/html5/thumbnails/58.jpg)
turbonomic.com
UI
Topology Processor
Group/Settings/Policy Manager
Repository
ActionOrchestrator
DeploymentManagerMarket
Plan Orchestrator
UI
Functionality:• Show environment data …• … and actions for desired state
Key features:• Html 5 + Javascript• AngularJS framework• Uses REST API
MedComCopyright 2016, Turbonomic
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turbonomic.com