[Solved] You wrote this IAM policy snippet but it fails to apply:{"bindings": [{"role": "roles/editor", "members": ["alice@example.com"]}]}What is the error? | GCP

GCP - Cloud IAM Advanced

You wrote this IAM policy snippet but it fails to apply:

{"bindings": [{"role": "roles/editor", "members": ["alice@example.com"]}]}

What is the error?

AThe bindings key should be 'roles'.

BThe role 'roles/editor' does not exist.

CThe JSON syntax is invalid.

DThe member string is missing the 'user:' prefix.

Step-by-Step Solution

Solution:

Step 1: Check member format in IAM policy
Members must include type prefix like 'user:' before email.
Step 2: Identify missing prefix
Here, 'alice@example.com' lacks 'user:' prefix, causing failure.
Final Answer:
The member string is missing the 'user:' prefix. -> Option D
Quick Check:
Member format requires prefix = The member string is missing the 'user:' prefix. [OK]

Quick Trick: Always prefix members with user:, serviceAccount:, etc. [OK]

Common Mistakes:

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