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Vault preflight check policy not documented #876

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knorx opened this issue Jun 23, 2022 · 2 comments · May be fixed by #877
Open

Vault preflight check policy not documented #876

knorx opened this issue Jun 23, 2022 · 2 comments · May be fixed by #877
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@nathanejohnson
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@knorx
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knorx commented Jun 23, 2022

I just connected fabio to our vault and got stuck in a permission issue. Fabio always reported:

2022/06/23 07:17:03 [ERROR] cert: Cannot load certificates from secret/fabio/certs. vault: query mount path: Error making API request.

URL: GET https://cluster-vault-staging.fme.lan:8200/v1/sys/internal/ui/mounts/secret/fabio/certs
Code: 403. Errors:

The fun part is that this path is not documented as necessary policy entry in the vault section. I checked the code and fount the function kvPreflightVersionRequest as culprit, which should report the version of the kv secrets store. We use kv2. It works when the following section is added to the fabio policy in vault:

path "sys/internal/ui/mounts/secret/fabio/certs" {
  capabilities = ["read"]
}

This should be part of the documentation.
@knorx knorx linked a pull request Jun 23, 2022 that will close this issue
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knorx commented Jun 23, 2022 •
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When the token should be renewed, this also needs a policy. I have added this to the merge request as well:

path "auth/token/renew-self" {
  capabilities = ["update"]
}

@nathanejohnson
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I'm going to think on this, I'm going to do my best to come up with a better way to determine v2 vs. v1. It might even be better to make this an explicit config option, though this would break functionality for people expecting this behavior.

@nathanejohnson nathanejohnson self-assigned this Jul 8, 2022
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Documented preflight policy path knorx/fabio
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