DOM 54018 update flyte iam policy azure #412
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ddl-ebrown
commented
Oct 24, 2025
ddl-ebrown
commented
- DOM-54018 Allow GCP access to flyte-dataplane IAM
- DOM-54018 not sure how this will work
- Allow GCP tokens with a custom audience matching the string
{deploy_id}-flyte-gcp-{random_id} to access Flyte blobs
Inspired by policy definition at
https://jason-umiker.medium.com/cross-cloud-identities-between-gcp-and-aws-from-gke-and-or-eks-182652bddadb
NOTE: jwt validation usually takes into account several factors
- issuer
- audience
- signature
- subject
- scope
- custom claims
This policy verifies only the "aud" claim in the token, which in
theory is spoofable by anyone using GCP to produce tokens. Therefore,
include a random piece of data in the "aud" value that only the
control plane will know. When generating executions on remote data
planes (by dispatcher / workload operator), this value will be passed
so that tokens produced from GCP will have this shared value.
To do so requires exporting the value from the terraform code into
the catalog and through to Nucleus
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