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DevOps Pipelines from Code to Infrastructure and Deployment

DevOps Pipelines from Code to Infrastructure and Deployment


June 20, 2023

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  1. DevOps Pipelines from Code to Infrastructure and Deployment Dr. Erekle

    Magradze Head of School of Technology, Faculty of Business, Technology and Education, Ilia State University, Co-Founder of DevOps Georgia, Lead DevOps Engineer at Quantori Georgia
  2. Outline • SDLC • The CI • The CD •

    Metrics • IaC and Environments • The CI/CD Pipeline with Infrastructure Components
  3. SDLC - Software Development Life Cycle Jidoka = Automation +

    People autonomation https://www.allaboutlean.com/toyoda-model-g/
  4. CI Process Ensures • The Style and Consistency of the

    Code • Code Quality - Quality Gates (Mainly Unit Testing at this stage) • Fast Feature Development and Building - Artifact or/and Docker Image • More testing • Bundling the release Key Requirement: Infrastructure should be capable to handle large number of simultaneous, high quality, feature development Where Ends CI and Starts CD?
  5. CD Process Ensures • Provisioning of different environments (dynamically or

    statically); • Running the security tests and checks against the artifacts; • Deploying the artifacts or container images according to the pre-defined strategy: Canary, Rolling or Blue Green Deployment - in corresponding environment - dev, staging, QA or production; • Monitoring the deployment process and existing deployments Key Requirement • Infrastructure should be scalable • Environments Should be well isolated • Rollback Mechanisms should be there • In case of Cloud Usage, Dynamic Environment Build and Demolishing should be in place The CD
  6. Acronym Metrics Description Process objectives under control Recommended value BFP

    Build Failed Percentage The percent of builds failed due to infrastructure reason per day vs all builds Infrastructure problems and progress in resolving them 5-10% T2F Time 2 Feedback Average duration of PR build Fluctuations of feedback time over period <30 min PUK Percentage of Unknown to Known The percent of unknown errors to known errors New infra problems (e.g., git updates) >90% MBSQ Maximum BuildServer Queue Maximal BuildServer queue on working hours quality/performance/insuffi ciency of build process <5 AQT Average Queue Time Avg build wait time in Jenkins queue quality/performance/insuffi ciency of build process <10m PRC Pull Request Cost Calculate count of pull (or merge) request per day if all PR created were reviewed/built in measured period reference: https://d1.awsstatic.com/events/Summits/reinvent2022/BOA329_Ideal-blueprint-versus-reality-for-CI-CD-pipelines.pdf page 27 Metrics
  7. IaC and Environments - Dynamic and Static Dynamic Infrastructure •

    Container Services; • Users, Roles, Groups, Services; • Serverless functions • Networking Gateways • VPNs • Firewall Rules Static Infrastructure • Virtual Machines (EC2 instances, Google Compute Engines, etc) • DataBase Services (SaaS) • Kubernetes • Inter Region Setups • Storage (Object, Data Storage) • BigData Infrastructure
  8. One More Thing To Announce DevOps Georgia have new Community

    Leaders Giorgi Keratishvili Davit Tsulaia Guram Jalaghonia