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a54bceee23
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The policy route for mta-sts.<domain> belonged to another repository
(jk-cluster-config) while pointing at this chart's own Service. It moves
here as mtaSts.hosts, a list, so several domains - subdomains included -
are maintainable in one place and in whichever routing mode is active.
THE LIST IS THE SWITCH. No mtaSts.enabled: "enabled with an empty list"
would be a state with no meaning that the chart would then have to catch.
The schema rejects the key outright, so the rule is enforced rather than
documented. Default [] renders nothing in either mode - the defaults and
the unchanged CI fixture both produce a byte-identical helm template
against origin/main.
Entry form {host, tlsSecretName, clusterIssuer?}. The two TLS fields are
read ONLY in Ingress mode; in Gateway mode TLS sits on the listener, so
requiring them there would demand a value that does nothing.
THE PATH IS HARDWIRED. RFC 8461 fixes /.well-known/mta-sts.txt, rendered
with pathType Exact (type: Exact in the route). A values key for a
protocol-mandated path can only ever be set wrong, and wrong is invisible
from this side. Exact also matters in itself: a prefix on these hostnames
would publish the mail server's whole management surface under them.
ONE INGRESS PER CLUSTER ISSUER, NOT ONE OBJECT - and the plan's own three
requirements forced that. cert-manager reads the two fields at different
scopes: cluster-issuer is an ANNOTATION (object-scoped, and absent means
nothing is issued for that object at all), while secretName is
tls-entry-scoped and yields one Certificate per entry. So an object cannot
both request a certificate and leave another host's secret alone, which is
what an empty per-entry issuer has to mean. Measured in jk-cluster:
ingress-shim names the Certificate AFTER THE SECRET and owns it from the
Ingress, so a shared secret must sit in exactly one object (hence grouping
the tls list by secret, reusing rss-bridge.tlsGroups' shape) and a secret
may not span two issuer groups (hence the abort). Objects are named by
issuer, not by index: an index is only free where the object holds no
certificate, which is the precondition homeassistant's route naming states
for itself.
Gateway mode renders ONE HTTPRoute with every hostname - nothing differs
per host there - attached to the same Gateway(s) as the WebUI route.
WHAT THE CHART CANNOT PROMISE, AND THEREFORE NAMES: it registers a route,
it does not create a domain. The domains live in Stalwart's data store, so
an entry whose domain is missing there answers 404 at a correctly routed
endpoint with every object green - and MTA-STS failures are silent on the
SENDER's side, which delivers in the clear and logs nothing here. Same for
the _mta-sts.<domain> TXT record and the policy's content. The subdomain
trap is documented too: mta-sts.sub.<domain> is one label below
*.<domain>, so a parent wildcard certificate does not cover it.
Not folded into certificate.extraDnsNames deliberately - that would hang
the MAIL certificate on this list, letting a bad policy entry take STARTTLS
and IMAPS with it.
Minor, additive, empty default: 1.2.0+upv0.16.25 -> 1.3.0+upv0.16.25.
CI: ci/httproute/stalwart.yaml enters all three shapes of the entry form
(with issuer, without, and a subdomain), taking the HTTPRoute render test
from 56 assertions over 21 charts to 58 over 21 - stalwart from 2 to 4.
The Ingress half cannot be covered there, since an overlay's whole job is
to switch the mode off, so ci/stalwart/test-values.yaml carries two
entries and the install-test has a real API server accept them.
Fixes #123