Luram Archanjo...2019/07/20 · source building blocks for serverless Source: Knative Components...
Transcript of Luram Archanjo...2019/07/20 · source building blocks for serverless Source: Knative Components...
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Kubernetes, Istio e Knative: The new cloud stack
Luram Archanjo
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Who am I?● Software Engineer at Sensedia
● MBA in Java projects
● Java and Microservice enthusiastic
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Agenda
● Serverless
● Knative & Components
● Why Kubernetes & Istio?
● Demo
● Questions
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What is Serverless?
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What is Serverless?
Serverless computing, is an execution model where the cloud provider is responsible for executing a piece of code by dynamically allocating the resources.
Source: https://serverless-stack.com & https://martinfowler.com/articles/serverless.html
Scalability
Reduced operational cost
Time to market
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What is Knative?
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What is Knative?
Kubernetes based open source building blocks for serverless
Source: https://knative.dev
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Knative Components
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Knative Components
Serving
How your code receives requests and scales with them:
● Automatic scaling up and down to zero
● Multiple revisions of same function
● Route traffic across revisions
Eventing
How your code is triggered by events:
● Functions consume and publish events
● Multiple event sources available
● Encourages asynchronous
Build
How your code is built and packaged as a container:
● Pluggable model to build
● Build in-cloud or on-cluster
● Templates available
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How Build works?
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How Serving works?
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How Serving works?
Source: https://knative.dev
Service
Manages the whole lifecycle of your workload.
Configuration
Maintains the current/desired state for your deployment.
Revision
A point-in-time snapshot of code and configuration.
Route
Maps and manage traffics to revisions.
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How Serving works?
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How Serving works?
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How Serving works?
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How Serving works?
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How Eventing works?
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Why Kubernetes?
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Kubernetes● Horizontal scaling
● Auto-scaling
● Service discovery and Load balancing
● Self-healing
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Why Istio?
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Istio● Traffic management
○ Traffic Routing
● Security○ East-West○ North-South
● Observability○ Metrics○ Traces○ Logs
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Demo
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Summary
2º Place
1º Place
3º PlaceBuild on top of Kubernetes and Istio
● Automatic scaling up and down to zero
● Route traffic across revisions
● Load-balancing
Flexibility and No Vendor Lock-in
● Cloud
● Premises
● Third-party data center
Serverless Experience in a Containerized Environment
● Immutability
● High Scalability
● Pipeline Management
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Thanks a million!Questions?
/larchanjo
/luram-archanjo