Unified Assurance V6 – Microservice Fundamentals Ed 1 LVC

Module 1: Microservices Overview

• Objectives
• Why Microservices: The 12 Factors of Modern Application Development
• What are Microservices within Unified Assurance?
• Characteristics of Microservices
• Containers: Evolution of Computing
• From Servers to Containers
• Container vs. Virtual Machine
• Advantages of Containers
• Example Use Case
• Legacy SOA vs Microservices Architecture
• How SOA Apps Work
• Problems with SOA Applications and Scaling
• Scaling Solved with Microservices & Horizontal Scaling
• Recap

Module 2: Microservice Architecture & Software Components

• Objectives
• Oracle Communications Unified Assurance Documentation
• Microservices Architecture Overview
• Docker
• What is Docker?

Docker Registry, Docker Image Pipeline, Docker Image, Docker File, Docker Container

• Docker Linux Processes
• Container Orchestration: Kubernetes
• Key Roles and Tasks
• Kubernetes Architecture
• Cluster: Master Node & Worker Nodes
• Kubernetes Objects: Pods, Services, Namespaces
• Helm & ChartMuseum
• Hyperscale Clustering
• Unified Assurance KEDA Microservice
• Kubernetes Monitoring
• Pulsar Message Bus
• Architecture: Broker, Producers, Consumers, Topics
• Microservice Data Pipelines

Trap Pipeline, Trapd Extended Pipeline, Syslog Pipeline, Syslog Extended Pipeline

• Event Rules: trap-collector, js-generic-event-processor, syslog-collector
• Recap

Module 3: Implementing Microservices

• Objectives
• Microservice Cluster Setup: Single Server
• Command Line Aliases & Configuration CLI Commands
• Cluster Setup Dependencies & Roles
• Creating Kubernetes Cluster: Single Server
• Default Namespaces and Pods
• Helm Packages
• Updating Helm Repository

Installing Microservices: Event Pipeline, Trapd, Monitoring, Autoscaling (KEDA), Apache Pulsar, Event Sink, FCOM Processor, Trap Collector, Syslog, Syslog Collector, JavaScript Generic Event Processor

• Verification and Log Checks
• Extended Event Pipeline: JavaScript Generic Event Processor Setup
• Recap

Module 4: Troubleshooting Microservices

• Objectives
• Common Microservice Troubleshooting CLI Commands
• Node Issues
• describe nodes, describe node
• Pod Issues

get all pods, namespace pods, pod labels, list containers, logs, previous logs, shell, environment variables, delete pod

• Service Issues
• get services, describe service, get endpoints
• Resource Issues
• top nodes, top pods, describe pod
• Configuration Issues
• get all configmaps, get namespace configmaps, get YAML/JSON, get secrets
• Recap