Blue-green deployment in Microservices - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to identify the two environments used in blue-green deployment.

Microservices

environments = ['[1]', 'green']

Drag options to blanks, or click blank then click option'

Ayellow

Bred

Cblue

Dpurple

Attempts:

3 left

💡 Hint

Common Mistakes

Using colors other than blue for the first environment.

Blue-green deployment uses two identical environments named 'blue' and 'green'.

2fill in blank

medium

Complete the code to switch traffic to the new environment in blue-green deployment.

Microservices

current_live_env = '[1]'

Drag options to blanks, or click blank then click option'

Agreen

Bblue

Cred

Dyellow

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing the live environment with the inactive one.

After deployment, traffic is switched to the 'green' environment to make it live.

3fill in blank

hard

Fix the error in the code that updates the live environment after deployment.

Microservices

live_env = '[1]'  # Should be the environment receiving traffic

Drag options to blanks, or click blank then click option'

Ablue

Bred

Cyellow

Dgreen

Attempts:

3 left

💡 Hint

Common Mistakes

Setting live environment to the old inactive environment.

The live environment should be the one receiving traffic, which is 'green' after deployment.

4fill in blank

hard

Fill both blanks to create a dictionary mapping environments to their status.

Microservices

env_status = {'blue': '[1]', 'green': '[2]'}

Drag options to blanks, or click blank then click option'

Aactive

Binactive

Cpending

Dfailed

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up active and inactive statuses.

In blue-green deployment, one environment is 'active' (live) and the other is 'inactive' (standby).

5fill in blank

hard

Fill all three blanks to complete the deployment switch logic.

Microservices

if current_env == '[1]':
    next_env = '[2]'
else:
    next_env = '[3]'

Drag options to blanks, or click blank then click option'

Ablue

Bgreen

Attempts:

3 left

💡 Hint

Common Mistakes

Using the same environment for both next_env assignments.

The logic switches from 'blue' to 'green', or from 'green' back to 'blue'.