Your team just shipped a new microservice, and someone asks for production access. Suddenly Slack fills with permission requests, pasting IAM snippets, and screenshots of policy diffs. A day later, you still haven’t deployed the thing. That’s exactly the headache Google Cloud Deployment Manager and OneLogin were built to prevent.
Google Cloud Deployment Manager defines infrastructure as code using templates and YAML. OneLogin manages identity, tying users, groups, and policies to the right level of system access. Together they turn access control into something you can actually review, version, and repeat. Instead of manually updating IAM roles, you declare them once and let identity handle the rest.
Integrating OneLogin with Deployment Manager means mapping your identity provider’s roles to the same templates that spin up your environments. When a developer joins a team, OneLogin issues the right claims. Deployment Manager applies those claims during resource provisioning to set IAM bindings automatically. Cloud admins no longer need to reconcile spreadsheets with production roles.
To start, link your OneLogin SAML or OIDC app to Google Cloud’s identity federation. Use service accounts to control deployments, not individuals. Each template becomes a repeatable manifest embedding access configuration derived from identity claims. The logic matters more than the syntax. Always bind roles to groups, not users, and make role definitions human-readable so audits are obvious.
Common best practices include refreshing service account keys automatically, rotating secrets with Cloud KMS, and tagging resources for traceability. When something breaks, logs should show who invoked which deployment and under which identity claim. That single audit trail replaces a week of backtracking.