[DO NOT MERGE] - feat(iam): Changes to support bigmac IAM auth #142
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Purpose
This changeset represents what's needed to preserve all project functionality when Bigmac IAM Auth is enabled.
Linked Issues to Close
https://qmacbis.atlassian.net/browse/OY2-23457
Approach
The connector ECS task was modified to accomidate IAM. An msk iam auth jar is installed as part of the bootstrapping process. The environment variables passed to the container are also expanded and modified, with the appropriate config for IAM auth. In particular, in these env variables is where we say "assume this role".
Assorted Notes/Considerations/Learning
most of these changes were borrowed from the implementation here