22 December 2020

#Gradle

#V7 #2025, #Core Language, #DevOps #Gradle

Key Concepts


S.No Topic Sub-Topics
1Introduction to GradleWhat is Gradle, History, Benefits, Gradle vs Maven, Use cases
2Gradle ArchitectureBuild lifecycle, Gradle daemon, Project vs Task, Build cache, Plugin system
3Installing GradleManual installation, SDKMAN, Verify installation, Environment variables, Gradle wrapper
4Gradle WrapperWhat is Gradle wrapper, Advantages, Wrapper scripts, Version management, Usage in projects
5Gradle Build Scriptsbuild.gradle file, Groovy DSL, Kotlin DSL, Task definitions, Script structure
6Gradle TasksWhat is a task, Default tasks, Custom tasks, Task dependencies, Task lifecycle
7Project StructureSingle-project build, Multi-project build, Settings.gradle, Source sets, Directory conventions
8Dependency ManagementAdding dependencies, Configuration, Dependency types, Repositories, Transitive dependencies
9Gradle PluginsApplying plugins, Built-in plugins, Third-party plugins, Custom plugins, Plugin DSL
10Java Project SetupJava plugin, Source sets, Compiling Java code, Running tests, JAR packaging
11Groovy & Kotlin ProjectsGroovy plugin, Kotlin plugin, Compiling, Testing, Packaging
12Testing in GradleUnit testing, Test tasks, JUnit integration, Test reports, Test logging
13Gradle Build LifecycleInitialization phase, Configuration phase, Execution phase, Task graph, Lifecycle hooks
14Incremental BuildsWhat is incremental build, Inputs & outputs, Up-to-date checks, Avoiding unnecessary tasks, Build caching
15Multi-Project BuildsSettings.gradle, Subprojects, Project dependencies, Task dependencies, Multi-project best practices
16Gradle Propertiesgradle.properties file, System properties, Project properties, Environment variables, Overriding properties
17Custom TasksTask creation, Task type, doLast/doFirst, Inputs and outputs, Task dependencies
18Gradle Build ScansEnabling build scans, Publishing build scans, Analyzing performance, Task execution insights, Best practices
19Gradle Profiles & EnvironmentsEnvironment-specific properties, Conditional tasks, Profiles in Gradle, Build variants, Configurations
20Dependency Management StrategiesDependency constraints, Version conflict resolution, Dynamic versions, Locking dependencies, BOM usage
21Publishing ArtifactsMaven plugin, Ivy plugin, Publishing to local repo, Publishing to remote repo, Metadata configuration
22Gradle CachingBuild cache, Local cache, Remote cache, Configuring cache, Cache best practices
23Continuous IntegrationIntegrating with Jenkins, GitLab CI/CD, GitHub Actions, Pipeline configuration, Automating builds
24Code Quality PluginsCheckstyle, PMD, SpotBugs, SonarQube integration, Enforcing code standards
25Gradle Logging & DebuggingLogging levels, --info, --debug, --scan, Troubleshooting build failures
26Dependency Insight & ReportsDependency report, Task report, Insight report, Resolving conflicts, Visualizing dependencies
27Gradle Kotlin DSLDifference from Groovy DSL, build.gradle.kts, Type safety, Auto-completion, Migration from Groovy
28Advanced Gradle ScriptingCustom plugins, Extending tasks, Conditional logic, Loops in scripts, Reusable script snippets
29Performance OptimizationParallel execution, Configuration on demand, Avoid unnecessary tasks, Dependency optimization, Profiling builds
30Hands-on ProjectCreate Java project, Add dependencies, Configure plugins, Run tests, Package and publish artifact

Interview question

Basic Level

  1. What is Gradle and why is it used?
  2. Difference between Gradle and Maven.
  3. Benefits of using Gradle.
  4. What are build scripts in Gradle?
  5. What is a Gradle wrapper?
  6. How to install Gradle manually?
  7. How to verify Gradle installation?
  8. What is the role of build.gradle file?
  9. What are tasks in Gradle?
  10. How to run a task in Gradle?
  11. What is the difference between project and task?
  12. How to create a simple Java project with Gradle?
  13. What is the purpose of settings.gradle?
  14. What are Gradle plugins?
  15. How to apply a plugin in Gradle?
  16. What is dependency management in Gradle?
  17. How to add dependencies in Gradle?
  18. What are repositories in Gradle?
  19. How to list available tasks?
  20. What is Gradle daemon?
  21. Difference between incremental and full builds.
  22. What are default tasks in Gradle?
  23. How to clean a project in Gradle?
  24. How to build a JAR using Gradle?
  25. What is Gradle DSL?

Intermediate Level

  1. What is a multi-project build?
  2. Difference between single-project and multi-project builds.
  3. What are source sets?
  4. How to configure tasks dependencies?
  5. How to create custom tasks?
  6. What is doLast and doFirst in tasks?
  7. How to pass parameters to tasks?
  8. What are build phases in Gradle?
  9. What is the build lifecycle?
  10. How to configure task inputs and outputs?
  11. How to use Gradle properties?
  12. Difference between project properties and system properties.
  13. What are configurations in Gradle?
  14. How to resolve dependency conflicts?
  15. How to generate dependency reports?
  16. How to use Gradle cache?
  17. Difference between local and remote cache.
  18. How to use Gradle wrapper in CI/CD?
  19. How to execute Gradle tasks in parallel?
  20. How to skip tasks during build?
  21. How to run Gradle in offline mode?
  22. What are Gradle profiles?
  23. How to handle environment-specific configurations?
  24. How to integrate Gradle with Git?
  25. How to debug Gradle builds?

Advanced Level

  1. What is Gradle Kotlin DSL?
  2. Difference between Groovy DSL and Kotlin DSL.
  3. How to create multi-language projects?
  4. How to create custom Gradle plugins?
  5. Difference between script plugins and binary plugins.
  6. How to configure versioning in Gradle?
  7. How to implement CI/CD with Gradle?
  8. How to integrate Gradle with Jenkins?
  9. How to integrate Gradle with GitLab CI/CD?
  10. How to integrate Gradle with GitHub Actions?
  11. How to publish artifacts to Maven repository?
  12. How to publish artifacts to Ivy repository?
  13. How to implement build scans?
  14. How to use Gradle Enterprise?
  15. How to profile Gradle builds?
  16. How to implement code quality tools like Checkstyle, PMD, SpotBugs?
  17. How to configure automated tests in Gradle?
  18. How to run unit tests in Gradle?
  19. How to run integration tests in Gradle?
  20. How to generate test reports?
  21. How to configure multi-module dependency resolution?
  22. How to use Gradle for Android projects?
  23. How to implement version conflict resolution?
  24. How to customize build logic using init scripts?
  25. How to optimize build performance?

Expert Level

  1. How to implement Gradle caching strategies?
  2. How to implement incremental builds efficiently?
  3. How to use Gradle composite builds?
  4. How to use Gradle with Docker builds?
  5. How to implement continuous delivery pipelines with Gradle?
  6. How to secure build artifacts?
  7. How to handle large multi-project builds?
  8. How to integrate Gradle with Spring Boot projects?
  9. How to manage plugin versions in Gradle?
  10. How to handle transitive dependencies in complex projects?
  11. How to implement dependency locking?
  12. How to analyze Gradle build scans for optimization?
  13. How to implement modular monorepo with Gradle?
  14. How to migrate Maven builds to Gradle?
  15. How to implement task avoidance techniques?
  16. How to implement lazy task configuration?
  17. How to handle parallel builds in CI environments?
  18. How to debug complex multi-project builds?
  19. How to integrate Gradle with SonarQube?
  20. How to implement automated release pipelines?
  21. How to use Gradle for Kotlin Multiplatform projects?
  22. How to implement custom reporting in Gradle?
  23. How to handle dynamic dependencies effectively?
  24. How to monitor Gradle builds in production CI/CD?
  25. Best practices for large-scale Gradle project management.

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05 December 2020

#OpenShift

#Openshift

Key Concepts


S.No Topic Sub-Topics
1OpenShiftWhat is OpenShift, Features, OpenShift vs Kubernetes, Use cases, Benefits
2OpenShift ArchitectureMaster node, Worker node, ETCD, API server, Controllers
3OpenShift EditionsOpenShift Origin, OpenShift Container Platform, OpenShift Online, OpenShift Dedicated, Differences
4Installing OpenShiftPrerequisites, Minishift/CRC setup, Installation steps, CLI installation, Verification
5OpenShift CLIoc commands, Login, Project management, Viewing resources, Resource management
6OpenShift Web ConsoleDashboard overview, Navigation, Creating projects, Managing resources, Monitoring
7Projects & NamespacesCreating projects, Viewing projects, Deleting projects, Role assignments, Resource quotas
8OpenShift PodsWhat is a Pod, Pod lifecycle, Creating Pods, Viewing Pod logs, Deleting Pods
9OpenShift DeploymentsDeploymentConfig, Deployment strategies, Scaling deployments, Rollbacks, Monitoring deployments
10OpenShift ServicesClusterIP, NodePort, LoadBalancer, Creating services, Service discovery
11Routes & NetworkingWhat is a route, Creating routes, Exposing services, Path-based routing, TLS termination
12OpenShift BuildConfigWhat is BuildConfig, Source-to-Image (S2I), Docker builds, Binary builds, Triggering builds
13OpenShift ImagesImage streams, Pulling images, Tagging images, Managing image repositories, Updating images
14Secrets & ConfigMapsCreating secrets, Using secrets, Creating ConfigMaps, Using ConfigMaps, Mounting into pods
15OpenShift Persistent StoragePersistentVolume, PersistentVolumeClaim, Storage classes, Dynamic provisioning, Volume mounting
16OpenShift TemplatesCreating templates, Using templates, Parameterized templates, Deploying from templates, Best practices
17OpenShift OperatorsWhat is an Operator, Installing Operators, Custom Resource Definitions, Managing applications, OperatorHub
18OpenShift MonitoringPrometheus, Grafana, Alerts, Metrics, Logging
19OpenShift LoggingCluster logging, EFK stack, Viewing logs, Fluentd, Kibana
20OpenShift SecurityRBAC, Service accounts, SCC (Security Context Constraints), Network policies, Pod security
21OpenShift Quotas & LimitsResource quotas, Limit ranges, Enforcing quotas, Viewing usage, Best practices
22Scaling ApplicationsManual scaling, Autoscaling, Horizontal Pod Autoscaler, Resource metrics, Scaling strategies
23OpenShift CI/CD IntegrationJenkins integration, Pipelines, OpenShift Pipelines (Tekton), Deploy triggers, Best practices
24OpenShift Routes & IngressRoute types, TLS, Path-based routing, Host-based routing, Load balancing
25OpenShift NetworkingCluster networking, SDN types, Network policies, Service mesh integration, Troubleshooting networking
26OpenShift TroubleshootingPod issues, Logs inspection, Event monitoring, Node issues, Common errors
27OpenShift Backup & RestoreETCD backup, Cluster backup, Restore strategies, Persistent volume backup, Disaster recovery
28OpenShift Upgrades & PatchingUpgrade strategies, CLI upgrade, Web console upgrade, Rolling updates, Best practices
29OpenShift Best PracticesResource management, Security, CI/CD pipelines, Monitoring, Scaling strategies
30Hands-on ProjectCreate project, Deploy application, Configure services & routes, Setup persistent storage, Implement CI/CD pipeline

Interview question

Basic Level

  1. What is OpenShift and why is it used?
  2. Difference between OpenShift and Kubernetes.
  3. Key features of OpenShift.
  4. What is OpenShift Origin (OKD)?
  5. What is OpenShift Container Platform (OCP)?
  6. What are OpenShift Editions and their differences?
  7. What is a project in OpenShift?
  8. What is a namespace in OpenShift?
  9. How to log in to OpenShift using CLI?
  10. What is oc command?
  11. How to view OpenShift resources?
  12. How to create a project using CLI?
  13. How to delete a project?
  14. What is the OpenShift Web Console?
  15. How to navigate OpenShift Web Console?
  16. What are pods in OpenShift?
  17. What are nodes in OpenShift?
  18. What is a deployment in OpenShift?
  19. What are services in OpenShift?
  20. Difference between ClusterIP, NodePort, and LoadBalancer services.
  21. What are routes in OpenShift?
  22. What is Source-to-Image (S2I)?
  23. What is BuildConfig in OpenShift?
  24. How to create a pod using CLI?
  25. How to view pod logs?

Intermediate Level

  1. What are deployment strategies in OpenShift?
  2. Difference between rolling, recreate, and blue-green deployment.
  3. How to scale applications manually?
  4. How to enable autoscaling?
  5. What are Horizontal Pod Autoscalers?
  6. What is an ImageStream?
  7. How to update images in OpenShift?
  8. What are ConfigMaps and how to use them?
  9. What are Secrets and how to use them?
  10. How to mount ConfigMaps into pods?
  11. How to mount Secrets into pods?
  12. What is persistent storage in OpenShift?
  13. Difference between PersistentVolume and PersistentVolumeClaim.
  14. How to use storage classes in OpenShift?
  15. How to implement dynamic provisioning of storage?
  16. What are OpenShift templates?
  17. How to create and use templates?
  18. What are Operators in OpenShift?
  19. How to install Operators from OperatorHub?
  20. What are Custom Resource Definitions (CRDs)?
  21. How to manage applications using Operators?
  22. How to monitor pods and nodes?
  23. What is Prometheus in OpenShift?
  24. How to use Grafana dashboards?
  25. What is cluster logging in OpenShift?

Advanced Level

  1. What is RBAC in OpenShift?
  2. What are Service Accounts?
  3. What are Security Context Constraints (SCC)?
  4. How to implement network policies?
  5. How to troubleshoot pod failures?
  6. How to view events in OpenShift?
  7. How to manage image registry in OpenShift?
  8. How to configure routes with TLS termination?
  9. How to configure path-based routing?
  10. How to implement continuous integration using Jenkins?
  11. How to implement pipelines with OpenShift Pipelines (Tekton)?
  12. How to trigger builds automatically?
  13. How to configure resource quotas and limits?
  14. How to manage multi-project deployments?
  15. How to implement application versioning?
  16. How to rollback deployments?
  17. How to use labels and selectors effectively?
  18. How to implement application monitoring with alerts?
  19. How to view metrics using OpenShift monitoring tools?
  20. How to manage secrets securely?
  21. How to implement blue-green deployments?
  22. How to implement canary deployments?
  23. How to debug network issues in OpenShift?
  24. How to integrate OpenShift with external CI/CD tools?
  25. How to backup and restore etcd?

Expert Level

  1. How to implement disaster recovery strategies?
  2. How to handle cluster upgrades and patches?
  3. How to optimize OpenShift performance?
  4. How to configure OpenShift high availability?
  5. How to manage multi-cluster OpenShift environments?
  6. How to implement security best practices in OpenShift?
  7. How to integrate OpenShift with LDAP or Active Directory?
  8. How to implement SSO in OpenShift?
  9. How to use OpenShift with Helm charts?
  10. How to implement service mesh in OpenShift (Istio/OSSM)?
  11. How to manage OpenShift network plugins (SDN/CNI)?
  12. How to implement custom operators?
  13. How to monitor large-scale OpenShift deployments?
  14. How to configure audit logging in OpenShift?
  15. How to integrate OpenShift with GitOps tools (ArgoCD/Flux)?
  16. How to implement persistent storage for stateful applications?
  17. How to optimize image builds and registry usage?
  18. How to implement automated security scanning for images?
  19. How to implement fine-grained role-based access controls?
  20. How to integrate OpenShift with cloud providers (AWS/Azure/GCP)?
  21. How to implement multi-tenancy in OpenShift?
  22. How to handle pod security and compliance requirements?
  23. How to debug complex application failures in production?
  24. How to implement custom CI/CD pipelines with Tekton or Jenkins?
  25. Best practices for maintaining scalable and secure OpenShift clusters.

Related Topics


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