key differences between version 1.8 and 1.15
Versions 1.8 (and below) and 1.15 (and beyond) are fundamentally different charms. Here is a list of additions, changes and removals made to the Vault charm 1.15, when compared with 1.8.
Additions
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Act as an intermediate CA (see How-to: use as an intermediate CA)
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Auto unseal using a root unsealer Vault (see How-to: Configure for Auto unseal)
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Integration with Canonical Observability Stack (see How-to: Integrate with COS)
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Backup and restore through Juju actions and integration with S3 storage (see How-to: Create a backup)
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Vault UI
Changes
- TLS Certificates integration: The charm now implements the provider side of the TLS Certificates Integration V1 instead of V0 . This new version of the interface is more secure and only contains public information (CSR’s and Certificates).
- Storage backend: The Vault charm now supports the Raft backend and drops support for other backends. Raft provides High Availability by default (see Explanation: High Availability).
Removals
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Providing the snap channel explicitly: Snap revisions are frozen to the charm revision providing reliable deployments.
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Loadbalancer integration
Upgrading from 1.8 to 1.15
Upgrading from 1.8 to 1.15 is not supported, however you can backup your data on 1.8, and restore it on a new deployment of Vault 1.15.