MicroService architecture_&_Kubernetes

May 28, 2019Download as pptx, pdf1 like261 views

This document discusses using microservice architecture with Kubernetes. It begins with an overview of microservice architecture compared to traditional monolithic architecture and its benefits. It then covers Kubernetes and containers, the Kubernetes architecture and components, and managed Kubernetes services like Google Kubernetes Engine. It proposes combining microservices, containers, Kubernetes, and services like Istio and GKE to build microservices applications at scale. The presenter is introduced as an expert with experience implementing such architectures for clients.

MicroService Architecture &
Kubernetes
by Akash Agrawal

Agenda
● Understanding MicroService Architecture
○ Traditional 3 Tier Architecture / Monolithic Architecture
○ Problems with Monolithic Architecture
○ MicroService Architecture
○ 12 Factor Applications

Agenda
● Understanding Kubernetes & Ecosystem
○ Understanding Containers
○ Understanding Kubernetes
○ Kubernetes Resources/Objects
○ Kubernetes Flow Diagram
○ Kubernetes Cluster Architecture
○ Google Kubernetes Engine (GKE)
○ Istio

Agenda
● Kubernetes for MicroService Architecture
○ Combine : MicroService Architecture + Containers + Kubernetes + GKE + Istio

About Me
● Google Developer Expert (on Google Cloud Platform Category)
● 11 years of experience in IT Industry
● Worked with various clients like Sabre/Citi Bank/Goldman Sachs/L&T
Infotech etc.
● Currently I work as Independent Consultant (as Technical
Adviser/Architect/Trainer) & Tech Evangelist

Traditional 3 Tier Architecture
● Client Tier / UI
● Server Tier / Business Logic
● Database Tier / Database

Problems with 3 Tier Architecture
● Scaling
● Application Uptime
● Team/Component Independence
● ...

MicroService Architecture
● MicroService Architecture is focused around decomposing a gient
application into multiple smaller applications.
● Decomposition is generally designed based on 2 factors:
○ Functional Decomposition
○ Technical Decomposition

12 Factor Applications
● Website: https://12factor.net/
● Define the guidelines for building Applications in MicroService Architecture
Codebase Port Binding
Dependencies Concurrency
Config Disposability
Backing Services Dev/Prod Parity
Build/Release/Run Logs
Process Admin Process

Understanding Containers
● Container Runtimes : Docker / Rkt etc.
● Package your application/component & it’s dependencies
● Focused around : Build / Ship / Run
○ Build: build container on local laptop manually or automate it through CI/CD Pipeline
○ Ship: ship through Container Registry e.g. Docker Hub/GCR etc.
○ Run: Run anywhere e.g. Cloud/On-Prem etc.

Understanding Kubernetes
● Open Source System for Container Orchestration & Handling Containers at
Scale
● Focused around:
○ Scheduling
○ Scaling (Manual / Auto)
○ Self Healing or Auto Repairing
○ ...

Kubernetes Resources/Objects
● Pod (Single/Multi Container Pod)
● Service (ClusterIP/NodePort/LoadBalancer)
● Controller Objects:
○ ReplicaSet
○ Deployment
○ StatefulSet
○ Job
○ ...

Kubernetes Resources/Objects
● Namespace
● ConfigMap
● Secret
● Label & Selectors

Kubernetes Cluster Architecture
● Control Plane
○ Focused around managing Cluster & its State
○ Components:
■ Kube-apiserver
■ Etcd
■ Kube-controller-manager
■ Kube-scheduler

Kubernetes Cluster Architecture
● Data Plane
○ Focused around managing individual Nodes & deployed Workloads
○ Components:
■ Kubelet
■ Kube-proxy
■ Container Runtime

Google Kubernetes Engine (GKE)
● Managed Solution for Kubernetes on Google Cloud
● Few Features:
○ Cluster Scaling
○ Self Healing or Auto Repairing of Nodes
○ Node Pools : CPU/GPU Pools
○ ...

Istio
● Open Source Service Mesh
● Treats Kubernetes as First Class Citizen (but not limited to)

Kubernetes for MicroService
Architecture

Combine to build MicroService Architecture
based Applications
● MicroService Architecture
● Containers
● Kubernetes
● Google Kubernete Engine (GKE) or other managed solutions
● Istio

Akash Agrawal
LinkedIn : akash-agrawal-58a97813
Twitter : @akkiagrawal29
Thanks

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MicroService architecture_&_Kubernetes

1. MicroService Architecture & Kubernetes by Akash Agrawal

2. Agenda

3. Agenda ● Understanding MicroService Architecture ○ Traditional 3 Tier Architecture / Monolithic Architecture ○ Problems with Monolithic Architecture ○ MicroService Architecture ○ 12 Factor Applications

4. Agenda ● Understanding Kubernetes & Ecosystem ○ Understanding Containers ○ Understanding Kubernetes ○ Kubernetes Resources/Objects ○ Kubernetes Flow Diagram ○ Kubernetes Cluster Architecture ○ Google Kubernetes Engine (GKE) ○ Istio

5. Agenda ● Kubernetes for MicroService Architecture ○ Combine : MicroService Architecture + Containers + Kubernetes + GKE + Istio

6. About Me

7. About Me ● Google Developer Expert (on Google Cloud Platform Category) ● 11 years of experience in IT Industry ● Worked with various clients like Sabre/Citi Bank/Goldman Sachs/L&T Infotech etc. ● Currently I work as Independent Consultant (as Technical Adviser/Architect/Trainer) & Tech Evangelist

8. Understanding MicroService Architecture

9. Traditional 3 Tier Architecture ● Client Tier / UI ● Server Tier / Business Logic ● Database Tier / Database

10. Problems with 3 Tier Architecture ● Scaling ● Application Uptime ● Team/Component Independence ● ...

11. MicroService Architecture ● MicroService Architecture is focused around decomposing a gient application into multiple smaller applications. ● Decomposition is generally designed based on 2 factors: ○ Functional Decomposition ○ Technical Decomposition

12. 12 Factor Applications ● Website: https://12factor.net/ ● Define the guidelines for building Applications in MicroService Architecture Codebase Port Binding Dependencies Concurrency Config Disposability Backing Services Dev/Prod Parity Build/Release/Run Logs Process Admin Process

13. Understanding Kubernetes & Ecosystem

14. Understanding Containers ● Container Runtimes : Docker / Rkt etc. ● Package your application/component & it’s dependencies ● Focused around : Build / Ship / Run ○ Build: build container on local laptop manually or automate it through CI/CD Pipeline ○ Ship: ship through Container Registry e.g. Docker Hub/GCR etc. ○ Run: Run anywhere e.g. Cloud/On-Prem etc.

15. Understanding Kubernetes ● Open Source System for Container Orchestration & Handling Containers at Scale ● Focused around: ○ Scheduling ○ Scaling (Manual / Auto) ○ Self Healing or Auto Repairing ○ ...

16. Kubernetes Resources/Objects ● Pod (Single/Multi Container Pod) ● Service (ClusterIP/NodePort/LoadBalancer) ● Controller Objects: ○ ReplicaSet ○ Deployment ○ StatefulSet ○ Job ○ ...

17. Kubernetes Resources/Objects ● Namespace ● ConfigMap ● Secret ● Label & Selectors

20. Kubernetes Cluster Architecture ● Control Plane ○ Focused around managing Cluster & its State ○ Components: ■ Kube-apiserver ■ Etcd ■ Kube-controller-manager ■ Kube-scheduler

21. Kubernetes Cluster Architecture ● Data Plane ○ Focused around managing individual Nodes & deployed Workloads ○ Components: ■ Kubelet ■ Kube-proxy ■ Container Runtime

22. Google Kubernetes Engine (GKE) ● Managed Solution for Kubernetes on Google Cloud ● Few Features: ○ Cluster Scaling ○ Self Healing or Auto Repairing of Nodes ○ Node Pools : CPU/GPU Pools ○ ...

23. Istio ● Open Source Service Mesh ● Treats Kubernetes as First Class Citizen (but not limited to)

24. Kubernetes for MicroService Architecture

25. Combine to build MicroService Architecture based Applications ● MicroService Architecture ● Containers ● Kubernetes ● Google Kubernete Engine (GKE) or other managed solutions ● Istio

26. Akash Agrawal LinkedIn : akash-agrawal-58a97813 Twitter : @akkiagrawal29 Thanks

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