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These files will replace the existing `test/config/letsencrypt` content which has some random provisioned FQDN for letsencrypt that doesn't match the FQDN tested, `acme.json` files with FQDNs that don't match those certs FQDNs and changes to certs that won't expire until 2031. `test/config/letsencrypt` will be removed with the associated test update PR. The changes amount to: - Re-configuring the FQDN values that some certs were created for (_needed for flexibility in testing_). - Adding an `*.example.test` wildcard (_both RSA and ECDSA_). - Adding `acme.json` encoded versions (_traefik extraction support will use these instead_). - Updated / new internal docs for maintainers of this content. For more detailed information on those changes, please see the associated commit messages via the PR.
27 lines
2.2 KiB
Markdown
27 lines
2.2 KiB
Markdown
# Traefik `acme.json` test files
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Traefik encodes it's provisioned certificates into `acme.json` instead of separate files, but there is nothing special about the storage or content.
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Each `*.acme.json` file provides base64 encoded representations of their equivalent cert and key files at the same relative location.
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The only relevant content being tested from these `acme.json` files is in `le.Certificates`, everything else is only placeholder values.
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---
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Certificates have been encoded into base64 for `acme.json` files from the `example.test/with_ca/{ecdsa,rsa}/` folders:
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- Those folders each provide a Root CA cert which functions similar to _Let's Encrypt_ role for verification of the chain of trust. All leaf certificates are signed by the Root CA key file located in these two folders.
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- Leaf certificates are the kind you'd get provisioned normally via a service like _Let's Encrypt_ to use with your own server. These are available in both ECDSA and RSA, where those in `with_ca/rsa/` are valid for both FQDNs `mail.example.test` and `example.test` as SANs; but those in `with_ca/ecdsa/` are restricted to one FQDN.
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- Each `acme.json` file lists the supported FQDNs in the `sans` field. Presently `main` is always `Smallstep Leaf`, which is associated to the certificate "Subject CN", which was often used for an FQDN in the past prior to SAN support. `main` can still provide a valid FQDN, but none of the test `acme.json` have a matching cert to test against.
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- There is also two wildcard configs, where the only difference is a pure ECDSA or RSA chain for `*.example.test`.These are valid for subdomains of `example.test` such as: `mail.example.test`, but not `example.test` itself.
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---
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Encode and decode certs easily via the [`step base64`](https://smallstep.com/docs/step-cli/reference/base64) command:
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- Decode: `echo 'YmFzZTY0IGVuY29kZWQgc3RyaW5nCg==' | step base64 -d`
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Optionally write the output to a file: `> example.test/with_ca/ecdsa/cert.rsa.pem`
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- Encode: `cat example.test/with_ca/ecdsa/cert.rsa.pem | step base64`
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- Inspect the PEM encoded data: `step certificate inspect example.test/with_ca/ecdsa/cert.rsa.pem`
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Note: `step certificate inspect` will only work with valid PEM encoded files, not the example base64 value to decode here.
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