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tailscale/cmd/containerboot
Tom Proctor 01a7726cf7
cmd/containerboot,cmd/k8s-operator: enable IPv6 for fqdn egress proxies (#12577)
cmd/containerboot,cmd/k8s-operator: enable IPv6 for fqdn egress proxies

Don't skip installing egress forwarding rules for IPv6 (as long as the host
supports IPv6), and set headless services `ipFamilyPolicy` to
`PreferDualStack` to optionally enable both IP families when possible. Note
that even with `PreferDualStack` set, testing a dual-stack GKE cluster with
the default DNS setup of kube-dns did not correctly set both A and
AAAA records for the headless service, and instead only did so when
switching the cluster DNS to Cloud DNS. For both IPv4 and IPv6 to work
simultaneously in a dual-stack cluster, we require headless services to
return both A and AAAA records.

If the host doesn't support IPv6 but the FQDN specified only has IPv6
addresses available, containerboot will exit with error code 1 and an
error message because there is no viable egress route.

Fixes #12215

Signed-off-by: Tom Proctor <tomhjp@users.noreply.github.com>
5 months ago
..
kube.go cmd/{containerboot,k8s-operator}: store proxy device ID early to help with cleanup for broken proxies (#12425) 5 months ago
kube_test.go cmd/containerboot,kube,ipn/store/kubestore: allow interactive login on kube, check Secret create perms, allow empty state Secret (#11326) 7 months ago
main.go cmd/containerboot,cmd/k8s-operator: enable IPv6 for fqdn egress proxies (#12577) 5 months ago
main_test.go cmd/containerboot,cmd/k8s-operator: enable IPv6 for fqdn egress proxies (#12577) 5 months ago
test_tailscale.sh cmd/containerboot: make a tests table, add more tests. 2 years ago
test_tailscaled.sh cmd/containerboot: avoid leaking bash scripts after test runs 1 year ago