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feat(helm): further credential providers for the egress gateway - #90
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The egress gateway already selects a credential provider by URI authority, but the chart rendered the bundled k8s.io provider only. The value credentialProvider.additionalProviders adds providers beside it on both the HTTPS and the HTTP listener, each dialed with the gateway's pod identity and verified against the servicedns.podcert.ate.dev trust bundle. An entry needs a lowercase DNS name as uriAuthority and <service>.<namespace>.svc:<port> as host, cannot replace k8s.io and cannot repeat an authority. The default render is unchanged.
QuentinBisson
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October 18, 2026 12:56
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…he dropped class FORK.md names kagent-dev#90 as the upstream exit of the routing value, which covers the chart only. The upgrade step describes the window in which the bundled provider refuses a Google access-token fetch without claiming a status code or retry. The parser keeps refusing an unknown k8s.io subdomain and now refuses google-access-token.k8s.io explicitly.
QuentinBisson
added a commit
to giantswarm/substrate
that referenced
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Oct 18, 2026
…he dropped class FORK.md names kagent-dev#90 as the upstream exit of the routing value, which covers the chart only. The upgrade step describes the window in which the bundled provider refuses a Google access-token fetch without claiming a status code or retry. The parser keeps refusing an unknown k8s.io subdomain and now refuses google-access-token.k8s.io explicitly.
This was referenced Oct 18, 2026
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Signed-off-by: Quentin Bisson <quentin.bisson@gmail.com>
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Problem
The egress gateway already selects a credential provider by the
ate-secret://URI authority (credentialProvidersis a list), but the chart renders the bundledk8s.ioprovider only. An installation that keepsk8s.iofor API keys cannot add a provider of its own beside it, such as one that resolves a caller's credential or exchanges a service account key for a short-lived token, without patching the template.Change
credentialProvider.additionalProvidersadds entries (uriAuthority,hostas<service>.<namespace>.svc:<port>) to both egress listeners next tok8s.io, dialed with the gateway's pod identity and verified against theservicedns.podcert.ate.devtrust bundle. Entries are validated: a lowercase DNS name, no replacingk8s.io, no repeated authority. The default render is unchanged; ahelm unittestsuite covers the entries and the refusals.