CI/CD pipeline basics in Django - Practice Problems & Coding Challenges

Challenge - 5 Problems

💻 Command Output

intermediate

Output of a basic GitLab CI pipeline job

Given this simple GitLab CI job configuration, what will be the output when the job runs successfully?

Django

test_job:
  script:
    - echo "Running Django tests"
    - python manage.py test

A Running Django tests\nSyntaxError: invalid syntax

B Running Django tests\nNo tests found.

C Error: python command not found

D Running Django tests\nCreating test database for alias 'default'...\nSystem check identified no issues (0 silenced).\n...\nOK

💡 Hint

Think about what the 'python manage.py test' command outputs when tests pass.

The job echoes a message and then runs Django tests. If tests pass, Django outputs creation of test database and 'OK' at the end.

🧠 Conceptual

intermediate

Purpose of a CI/CD pipeline stage

In a CI/CD pipeline for a Django project, what is the main purpose of the 'build' stage?

A To compile source code and prepare artifacts for deployment

B To deploy the application to the production server

C To run automated tests on the codebase

D To monitor application performance after deployment

💡 Hint

Think about what 'build' means in software pipelines.

The build stage compiles code and prepares deployable packages or artifacts before testing or deployment.

🔀 Workflow

advanced

Correct order of CI/CD pipeline stages

Arrange the following CI/CD pipeline stages in the correct order for a Django project deployment.

A 3,1,2,4

B 3,2,1,4

C 2,3,1,4

D 1,3,2,4

💡 Hint

Think about what must happen before testing and deployment.

First build artifacts, then run tests, deploy to staging for validation, then deploy to production.

❓ Troubleshoot

advanced

Troubleshooting a failing Django test job in CI

A CI job running 'python manage.py test' fails with the error: 'ModuleNotFoundError: No module named 'django''. What is the most likely cause?

A The test command syntax is incorrect

B The test database is not configured correctly

C Django is not installed in the CI environment before tests run

D The tests contain syntax errors

💡 Hint

Consider what causes 'ModuleNotFoundError' in Python.

This error means the Django package is missing, likely because dependencies were not installed in the CI environment.

✅ Best Practice

expert

Best practice for secret management in CI/CD pipelines

What is the best practice for handling sensitive information like database passwords in a CI/CD pipeline for a Django application?

A Store secrets in environment variables managed by the CI/CD platform and inject them at runtime

B Hardcode secrets in the Django settings file committed to the repository

C Send secrets via email to the deployment team before each deployment

D Include secrets in the Docker image used for deployment

💡 Hint

Think about security and automation in pipelines.

Storing secrets in environment variables managed securely by the CI/CD system avoids exposing them in code or images.