CI: add Rawhide (Podman 6) - #404
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Two issues had to be addressed for the Rawhide CI job:
1. Fedora 46 confines SSH sessions in the new `sshd_session_t` SELinux
domain, which is not allowed to `name_connect` to most TCP ports.
`ssh -L PORT:127.0.0.1:PORT` (used for accessing kube-apiserver from
outside the host) fails with a silent (dontaudit) denial, surfacing as
"connection reset by peer" on the tunnel client.
Install a CIL policy module allowing the connection; the `optional`
block makes it a NOP on distros that do not define `sshd_session_t`.
2. pasta copies the host's IP address into the rootless network namespace
by default, so connections from inside the node to HOST_IP:PORT
(e.g., the ClusterIP of the "kubernetes" service resolving to the
published kube-apiserver port, or kubelet's ExternalIP) terminate at
the namespace's own tap device instead of hairpinning via the host.
This crashed kube-flannel ("Failed to create SubnetManager") and left
CoreDNS in ContainerCreating.
Configure `pasta_options` with a dedicated address (same as the
slirp4netns default) so that such connections are routed out to the
host.
Verified locally on macOS/Lima with
LIMA_TEMPLATE=template://experimental/fedora-rawhide:
create-cluster-lima.sh, test-smoke.sh, and the restart persistency test
all pass.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
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