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Backport of add upgrade documentation around STS lease_duration issue into release/1.13.x #20047

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Apr 7, 2023
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Backport of add upgrade documentation around STS lease_duration issue into release/1.13.x #20047

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13 changes: 13 additions & 0 deletions website/content/docs/upgrading/upgrade-to-1.13.x.mdx
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Expand Up @@ -90,6 +90,19 @@ forwarded to the active node of this cluster.

As a workaround, submit revocation requests to the active node only.

### STS credentials do not return a lease_duration
Vault 1.13.0 introduced a change to the AWS Secrets Engine such that it no longer creates leases for STS credentials due
to the fact that they cannot be revoked or renewed. As part of this change, a bug was introduced which causes `lease_duration`
to always return zero. This prevents the Vault Agent from refreshing STS credentials and may introduce undesired behaviour
for anything which relies on a non-zero `lease_duration`.

For applications that can control what value to look for, the `ttl` value in the response can be used to know when to
request STS credentials next.

An additional workaround for users rendering STS credentials via the Vault Agent is to set the
`static-secret-render-interval` for a template using the credentials. Setting this configuration to 15 minutes
accommodates the default minimum duration of an STS token and overrides the default render interval of 5 minutes.

#### Impacted Versions

Affects Vault 1.13.0 only.