Fabric8: Better Software Faster with Docker, Kubernetes, Jenkins
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The document discusses using technologies like Docker, Kubernetes, and Jenkins to improve software development processes through automation and continuous integration. It emphasizes the importance of self-service infrastructure, advanced deployment techniques, and the role of microservices in modern IT environments. Additionally, it outlines key features of Kubernetes, including self-healing, scaling, and deployment management, and provides examples of using Jenkins for continuous delivery pipelines.
![Leveraging “oc”
node('maven') {
stage 'Git'
git url: 'https://github.com/burrsutter/ola'
stage 'Maven build'
sh "mvn package"
stage 'Unit Tests'
echo "Unit Tests"
stage 'Docker build'
echo "Login"
withCredentials([[$class: 'UsernamePasswordMultiBinding', credentialsId: 'developer',
usernameVariable: 'USERNAME', passwordVariable: 'PASSWORD']]) {
sh "oc login --insecure-skip-tls-verify=true -u $env.USERNAME -p $env.PASSWORD https://10.1.2.2:8443"
}
echo "OpenShift Docker Build"
sh "oc new-build --binary --name=ola -l app=ola || echo 'Build exists'"
sh "oc start-build ola --from-dir=. --follow"
stage 'Integration Tests'
echo "Integration Tests"
stage 'Deploy'
echo "Deploy, Deploy, Deploy"
sh "oc new-app ola -l app=ola,hystrix.enabled=true || echo 'Application already Exists'"
sh "oc expose service ola || echo 'Service already exposed'"
}](https://image.slidesharecdn.com/042517fabric8bettersoftwarefasterslideshare-170425065424/85/Fabric8-Better-Software-Faster-with-Docker-Kubernetes-Jenkins-42-320.jpg)
Fabric8: Better Software Faster with Docker, Kubernetes, Jenkins
- 1. @burrsutter [email protected] Fabric8: Better Software Faster with Docker, Kubernetes, Jenkins
- 2. �ಂಗ��
- 3. �ಂಗ��
- 4. �ಂಗ��
- 5. Change History 1.0 - Great Indian Developer Summit
- 7. Continuous improvement is better than delayed perfection. Mark Twain (American Writer, Satirist)
- 8. Your Journey to Awesomeness Self-Service, On-Demand, Elastic Infrastructure Automation Puppet, Chef, Ansible, Kubernetes CI & CD Deployment Pipeline Advanced Deployment Techniques Microservices Re-Org to DevOps
- 9. java-jar myapp.jar DropWizard www.dropwizard.io JAX-RS API First to market DropWizard Metrics Embeddable servers: Jetty Spring Boot projects.spring.io/spring- boot Spring API (@RestController) ‘Starter’ POMs: start.spring.io Embeddable servers: Tomcat, Jetty, Undertow WildFly Swarm wildfly-swarm.io Java EE 7 APIs ‘Starter’ POMs: wildfly- swarm.io/generator Embeddable servers: WildFly (Undertow) Vert.x vertx.io Reactive Async/non-blocking vertx run myhttp.java HTTP, HTTP/2, TCP, UDP, Websockets, etc. (out of the box)
- 10. Our IT World Morphs
- 16. Jez Humble Continuous Integration Software (trunk) is always deployable Everyone is checking into trunk daily (at least)— not feature branches If the build breaks, it’s fixed in 10 minutes (all hands on deck) A new engineer can be on-boarded in 1 day— with a production-like environment on the developer workstation Deployment is a low-risk, push-button affair
- 18. Create wizards to create microservices Build packaging into immutable container images Release rolling upgrades across teams environments Runtime service discovery, scaling, failover, load balancing Manage centralize logs, metrics, alerts, tracing, circuit breakers Feedback dashboards and metrics to get feedback! Platform on premise, public or hybrid cloud Fabric8 (https://fabric8.io/)
- 21. Your Stack Matters Server Hardware Operating System Application Server your.war Java Virtual Machine Custom Configuration Linux Kernel Version & Distribution Java 1.6.6_45 or Java 1.7.0_67 Weblogic 10.x.y, Tomcat 6.x.y, JBoss EAP 6.x.y JDBC driver, datasource, JMS queue, users
- 22. Lightweight footprint, minimal overhead Portability across machines Simplify DevOps practices Speed up Continuous Integration Empower Microservices architectures Isolation Container Advantages Container Engine
- 23. Docker Demo
- 24. DevOps Challenges for Multiple Containers How to scale? How to avoid port conflicts? How to manage them on multiple hosts? What happens if a host has trouble? How to keep them running? How to update them? Where are my containers? Node Node Node Node Node Logger Node
- 26. Greek for “Helmsman,” also the root of the word “Governor” (from latin: gubernator) Container orchestrator Supports multiple cloud and bare-metal environments Inspired by Google’s experience with containers Open source, written in Go Manage applications, not machines Meet Kubernetes
- 27. Ops Dev Master api etcd scheduler controllers Kubernetes Cluster Node Node Node Node Node Logge r Node
- 28. Pod Replication Controller/ Deployment Service Label 1+ containers Shared IP Shared storage volume Shared resources Shared lifecycle Ensures that a specified number of pod replicas are running at any one time Grouping of pods (acting as one) has stable virtual IP and DNS name Key/Value pairs associated with Kubernetes objects (env=production) Kubernetes Cluster
- 29. Pods A group of whales is commonly referred to as a pod and a pod usually consists a group of whales that have bonded together either because of biological reasons or through friendships developed between two or more whales. In many cases a typical whale pod consists of anywhere from 2 to 30 whales or more.* *http://www.whalefacts.org/what-is-a-group-of-whales-called/
- 30. Key Kubernetes Capabilities Self-healing Horizontal manual & auto scaling Automatic restarting Scheduled across hosts Built-in load-balancer Rolling upgrades
- 31. Master API Server Service Layer VirtualPhysical Private Public Persistent Storage Node Node Logger Node Node Node Node Dev Ops SCM (Git/Svn) CI/CD Automation Routing Layer Registry SDN Overlay Network Controllers - Scheduler - Deployments - Services - Builds - Routes - DeploymentConfigs Kubernetes OpenShift - Builds - ImageStreams
- 33. SCM (Git/Svn) Master API Server Service Layer VirtualPhysical Private Public Persistent Storage Node Node Logger Node Node Node Node Dev Ops CI/CD Automation Routing Layer Registry SDN Overlay Network Controllers - Scheduler - Deployments - Services - Builds - Routes - DeploymentConfigs Kubernetes OpenShift - Builds - ImageStreams
- 34. SCM (Git/Svn) Master API Server Service Layer VirtualPhysical Private Public Persistent Storage Node Node Logger Node Node Node Node Dev Ops CI/CD Automation Routing Layer Registry SDN Overlay Network Controllers - Scheduler - Deployments - Services - Builds - Routes - DeploymentConfigs Kubernetes OpenShift - Builds - ImageStreams
- 35. SCM (Git/Svn) Master API Server Service Layer VirtualPhysical Private Public Persistent Storage Node Node Logger Node Node Node Node Dev Ops CI/CD Automation Routing Layer Registry SDN Overlay Network Controllers - Scheduler - Deployments - Services - Builds - Routes - DeploymentConfigs Kubernetes OpenShift - Builds - ImageStreams
- 36. Kubernetes Demo https://github.com/burrsutter/kube4docker Recorded Demo: https://youtu.be/AoDhQt8PtUQ
- 38. The job of a deployment pipeline is to prove that the release candidate is unreleasable. Jez Humble
- 39. Jenkins for Continuous Delivery Jenkins Pipeline implements CD: orchestrator of build, test, promote, approve steps old name is Jenkins Workflow plugin A Jenkinsfile: a Groovy DSL for defining the pipeline steps, pods, docker images, secret maps to a single Jenkins job with minimal configuration Label parts of the pipeline with stages to simplify pipeline progress visualisation Pipeline as code! Fabric8 adds a reusable library of: Jenkinsfiles (pipelines) for different technologies functions for reuse of code across the Jenkinsfiles
- 40. Jenkinsfile
- 41. Simple node('maven') { stage 'validate' echo 'Test some stuff' sleep 10 input "Approve?" stage 'build' openshiftBuild(buildConfig: 'ruby-sample-build', showBuildLogs: 'true') stage 'deploy' openshiftDeploy(deploymentConfig: 'frontend') }
- 42. Leveraging “oc” node('maven') { stage 'Git' git url: 'https://github.com/burrsutter/ola' stage 'Maven build' sh "mvn package" stage 'Unit Tests' echo "Unit Tests" stage 'Docker build' echo "Login" withCredentials([[$class: 'UsernamePasswordMultiBinding', credentialsId: 'developer', usernameVariable: 'USERNAME', passwordVariable: 'PASSWORD']]) { sh "oc login --insecure-skip-tls-verify=true -u $env.USERNAME -p $env.PASSWORD https://10.1.2.2:8443" } echo "OpenShift Docker Build" sh "oc new-build --binary --name=ola -l app=ola || echo 'Build exists'" sh "oc start-build ola --from-dir=. --follow" stage 'Integration Tests' echo "Integration Tests" stage 'Deploy' echo "Deploy, Deploy, Deploy" sh "oc new-app ola -l app=ola,hystrix.enabled=true || echo 'Application already Exists'" sh "oc expose service ola || echo 'Service already exposed'" }
- 44. Jenkins Demo
- 45. Canary Deployment DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS SCM
- 46. Canary Deployment DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS SCM
- 47. Canary Deployment DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS SCM
- 48. Canary Deployment DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS SCM
- 49. Canary Deployment DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS SCM
- 50. Canary Deployment DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS SCM
- 51. Canary Deployment DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS SCM
- 52. Canary Deployment DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS SCM
- 53. Canary Deployment DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS SCM
- 54. Canary Deployment DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS SCM