feat(auth): auth library can talk to S2A over mTLS #10634
Merged
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Talking to the secure session agent(s2a) requires mTLS on GCE/GKE, and also serverless in the future. This PR adds the functionality to load the mTLS credentials from disk and use that to talk to s2a.
Also removed the refresh logic for s2a configuration. We decided to only request it from MDS on first use and cache it afterwards.