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Batch Date: May 7th @8:00AM

Faculty: Mr. Shiva (8+ Yrs Of Exp,..)

Duration: 45 Days

Venue :
DURGA SOFTWARE SOLUTIONS,
Flat No : 202, 2nd Floor,
HUDA Maitrivanam,
Ameerpet, Hyderabad - 500038

Ph.No: +91- 9246212143, 80 96 96 96 96

Syllabus:

JENKINS, DOCKER & KUBERNETES

DevOps

• What is SDLC? What is DevOps? Where is DevOps position in SDLC?
• Importance of DevOps in software release.
• Introduction to Physical Servers, Virtualization, Virtual Servers and Cloud.
• Jenkins, Docker & Kubernetes position in SDLC.
• Importance of Jenkins, Docker & Kubernetes in the IT industry.

Jenkins Introduction

• Introduction to Continuous Integration & Continuous Deployment
• Popular tools for CICD in the market.
• Introduction to Jenkins & Installation. Creating and explanation of master slave architecture to execute Jenkins jobs.
• Explanation of technical terms in Jenkins.

Jenkins Deep Dive

• Walking through the Jenkins console.
• Creating a free style project with pipeline syntax.
• Creating and working with pipeline projects.
• Creating and working with a multi branch pipeline project.
• Exploring various options that we have as part of creating pipelines.

Jenkins Integrations

• Jenkins integration with GitHub to fetch the project.
• Jenkins integration with SonarQube to check application vulnerabilities.
• Jenkins integration with Jfrog to store artifacts.
• Jenkins integration with DockerHub to store docker images.
• Jenkins integration with Trivy to scan docker images.
• Jenkins integration with Kubernetes to deploy applications.

Jenkins Configuration

• Configuring credentials in Jenkins to use them in the pipeline.
• Configuring custom environmental variables with Jenkins pipeline.
• Shared libraries and Configuring shared libraries with Jenkins pipeline.
• Configuring Jenkins pipeline with parameters.
• Configuring Jenkins blue ocean.
• Configuring upstream and downstream projects.
• Configuring predefined environmental variables with Jenkins pipeline.
• User and role management in Jenkins.
• Using plugins with Jenkins.
• Exploring Jenkins stash and working with it.

Jenkins troubleshooting and backup

• Troubleshooting issues faced and possible problems in Jenkins.
• Backup and restore required things from Jenkins machine.

Projects

• Project on combination of Jenkins, Java, Maven, SonarQube, JFrog, Docker, Trivy and Kubernetes.

Docker Introduction

• Introduction to Docker & Containers.
• Installation of Docker and Docker-Compose.
• Explanation of YAML syntax.
• Explanation of technical terms used in Docker.
  (Docker Host, Docker Client, Docker Daemon, Docker Registry, Docker Images)

Docker DeepDive

• Commands used in Docker and their explanation along with flags.
• Working on Docker images
• Practical examples of running applications and use cases.
• Understanding 3-tier architecture.
• Explanation and creating multi container architecture.
  (with -- link flag and docker-compose)
• Practical examples and use cases with multi container architecture.

Custom Docker Images

• Understanding and creating custom Docker images.
• Understanding of DOCKERFILE.
• Explanation of various keywords used in DOCKERFILE.
• What is cache busting in Docker?

Docker Volumes & Docker Networking

• Understanding significance of Docker volumes and its types.
  (Simple Docker Volumes and Docker Volume Containers)
• Understanding Docker networking and types.
  (Bridge network, Host network, Null network, Overlays network)
• Practical examples and use cases with Docker volumes and Docker networking.

Docker Registry

• Understanding Docker registry and types.
  (Public registry and Private registry)
• Pushing Docker images to Docker registry
• Practical examples and use cases with Docker registry.

Advanced Concepts & Projects

• Multi stage docker builds for two applications.
• Understanding layers for Docker images.
• Practical examples and use cases of multi stage docker builds.
• Projects on Docker and Docker-Compose.
• Debugging/Troubleshooting of issues faced in docker.

Next…

• Introduction to container orchestration and advantages.
• Various orchestration technologies available in the market.
• Introduction to Kubernetes.

Kubernetes (K8S) & Installation of tools

• What is K8S? Why K8S?
• Installation of K8S with Minikube to reduce costs.
• Installation of K8S client kubectl.
• Creating Kubernetes cluster with AWS EKS with YAML.
• K8S cluster architecture and its components explanation.
  (kube api-server, controller manager, scheduler, ETCD, kubelet, kube-proxy, container runtime engine)
• Explanation of technical terminologies in Kubernetes.
• Exploring the Kubernetes cluster.
• Imperative commands and Kubernetes manifests.

Kubernetes Workloads and Resources

• Containers, InitContainers, SidecarContainers, Pods, ReplicaSet, Deployments, DaemonSet, Jobs & CronJobs, StatefulSets.
• Understanding the difference between InitContainers and SidecarContainers.
• Understanding pod phases and container states in Kubernetes.
• Explanation of annotations in K8S.
• Explanation of multi container pods.
• Imperative and declarative commands for Kubernetes.
• Practical examples and use cases of above workloads.

Kubernetes Services and LoadBalancing

• Understanding services and its types.
  (ClusterIP, NodePort, LoadBalancer, ExternalName, Headless Service)
• Understanding multi-port services.
• Practical examples and use cases of services and its types.
• Understanding DNS for services and pods.

Kubernetes Storage

• Understanding volumes in Kubernetes.
• Persistent volumes and Persistent volume claims.
• EmptyDir, HostPath, Static volume provisioning, Dynamic volume provisioning and Storage Classes. Practical examples and use cases of storage.

Configuring Kubernetes Workloads

• Configmaps, Secrets and Sealed Secrets.
• Requests and Limits, ResourceQuota, LimitRanges and Quality Of Service classes..
• Understanding different types of deployments and their significance.
• Configuring horizontal pod auto scaler.
• Configuring pods with policies (eg: ImagePullPolicy)
• Commands and Arguments and its advantages.
• Explanation of namespaces.
• Liveness, Readiness probes and StartUp probes.
• ApiGroups and Kubernetes resources under them.
• Security contexts in Kubernetes
• Practical examples and use cases.

Scheduling

• Introduction to Scheduling in K8S.
• Explanation of how the kubernetes schedules the pods on nodes.
• Manual Scheduling of workloads/pods with node name.
• Scheduling the applications using labels and selectors.
• Scheduling using Taints and Tolerations.
• Scheduling using NodeAffinity.
• Understanding the difference between Taints and Tolerations and NodeAffinity.
• Understanding pod affinity and anti affinity and difference.
• Practical examples and use cases of scheduling.

Maintenance

• Pod disruption budget in Kubernetes.
• Garbage collection in the Kubernetes cluster.
• Condoning and Uncordening the nodes.
• Understanding the eviction and migration of applications.
• Switching between contexts for working with different Kubernetes clusters.
• Kubectx and kubens tools to switch between contexts and namespaces.

Security

• Understanding service accounts. Using a service account with Kubernetes dashboard application.
• Roles, RoleBinding, ClusterRole and ClusterRoleBinding.
• RBAC (Role Based Access Control).
• Explanation of Static Pods.
• Explanation of ~/.kube/config file.
• Practical examples and use cases of security.

Advanced

• What is a custom resource definition?
• Deploying CRD to K8S cluster. Working with custom resources.

Networking

• Introduction to networking in Kubernetes.
• What is ingress? Why is its significance?
• Available ingress controllers.
• Practical examples of nginx and kong ingress controllers (Path Based Routing and Host Based Routing).
• Understanding network policies and use cases.
• Service internal traffic policy.
• Practical examples and use cases of networking.

Backup & Restore

• Need of backup kubernetes resources.
• Ways to backup Kubernetes resources.
• Rolling Updates & Roll Backs.
• Backups of ETCD database deployed in kubernetes cluster.

Monitoring and Troubleshooting

• Introduction to Logging and Monitoring.
• Different issues that may occur in the Kubernetes cluster.
• Visiting logs and describing applications to debug applications.
• Understanding the problems and their significance.
• Monitoring cluster with Kubernetes dashboard.
• Integrating rancher with AWS EKS cluster.

Other Tools

• Introduction to Helm.
• Installing Helm and working with it.
• Commands used to deploy applications with Helm and their explanation.
• Working with Helm and explanation of folder structure.
• Functions, Conditions and Loops in Helm.
• Helm templatising. Named templates.
• K9S tool to manage multiple EKS clusters.
• ArgoCD to automate the deployments to Kubernetes cluster.

Projects

• Projects on combination of Jenkins, Docker, Kubernetes, K9S, ArgoCD.

Summary

• Summary about the things we learned.

Tools We Use

• Git
• AWS CLI
• MongoComposs
• PostMan
• Intellij or VSCode
• Trivy
• Docker
• Docker-Compose
• Kubeadm
• Kubectl
• Kubectx
• Kubens
• Kubeseal
• K9S
• Rancher
• Kubernetes-Dashboard
• ArgoCD
• Jenkins
• SonarQube
• JFrog
• BlueOcean
• FluentBit
• ElasticSearch
• Kibana
• Prometheus
• Grafana
• Istio
• Kiali

AWS Services We Use

• Elastic Compute Cloud
• LoadBalancers
• Elastic Container Registry
• Elastic Kubernetes Service
• Virtual Private Cloud