CI/CD Pipeline Concepts and Workflow Questions
Conceptual understanding of how CI/CD pipelines work: continuous integration (running tests automatically on code commits), continuous deployment/delivery (automatically deploying to environments), pipeline stages (build, test, deploy), and tools that orchestrate these processes. Understand the benefits of CI/CD: faster feedback, reduced manual errors, faster release cycles.
EasyTechnical
90 practiced
Write a Jenkins Declarative Pipeline (Jenkinsfile) that builds a Maven Java project, runs unit tests, archives the build artifact, and publishes the artifact to a Nexus repository. Include use of credentials (referenced securely), clear stages, and post actions for success and failure. You do not need to write full plugin configurations, but show the pipeline structure and where credentials are used.
HardTechnical
73 practiced
You are the DevOps lead and face competing priorities: product teams demand faster deployments, while security/compliance teams require additional approvals that slow releases. Describe a decision framework and roadmap you would use to balance speed and safety, including short-term mitigations and long-term cultural/process changes.
MediumTechnical
71 practiced
As a DevOps engineer responsible for CI/CD across several teams, how would you onboard teams to a new shared pipeline implementation and handle resistance? Describe a rollout plan that covers training, documentation, pilot phases, feedback loops, and how you would measure successful adoption.
HardTechnical
146 practiced
Design and provide pseudocode or a high-level script for automated canary analysis in Kubernetes integrated with a service mesh (e.g., Istio). The workflow should: deploy canary, split traffic to canary and baseline, collect metrics, perform a statistical comparison (e.g., compare error rates and latency), and decide to promote or rollback. Specify thresholds, sample sizing, and integration points with the CI/CD pipeline.
HardSystem Design
89 practiced
Design a GitOps-based workflow using ArgoCD or Flux to manage deployments across three Kubernetes clusters (dev, staging, prod). Specify the repository layout (per-environment vs per-application), promotion flow, how you would manage secrets, multi-tenancy considerations, and rollback mechanisms.
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