IAM Permission Denied Fix for GCP Service Accounts

Restore blocked automation by granting the missing IAM role on the right resource.

April 20, 2026•1 min read

#gcp#iam#permissions

Problem

Deployment or automation jobs fail with Permission denied when calling GCP APIs.

Root Cause

The service account is authenticated but does not have the required role on the target project, folder, or bucket.

Fix

Code

gcloud projects get-iam-policy devfixer-prod \
  --flatten="bindings[].members" \
  --filter="bindings.members:serviceAccount:ci-bot@devfixer-prod.iam.gserviceaccount.com"
gcloud projects add-iam-policy-binding devfixer-prod \
  --member="serviceAccount:ci-bot@devfixer-prod.iam.gserviceaccount.com" \
  --role="roles/container.developer"

Result

The service account regains access and automation completes successfully.

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