** Also affects: linux-kvm (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: linux-kvm (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux-kvm (Ubuntu Bionic)
Status: New => In Progress
** Changed in: linux-kvm (Ubuntu Disco)
Status: New => In Progress
** Changed in: linux-kvm (Ubuntu Bionic)
Assignee: (unassigned) => Kamal Mostafa (kamalmostafa)
** Changed in: linux-kvm (Ubuntu Disco)
Assignee: (unassigned) => Kamal Mostafa (kamalmostafa)
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https://bugs.launchpad.net/bugs/1843051
Title:
please include kernel module CONFIG_NETFILTER_XT_SET
Status in linux-kvm package in Ubuntu:
In Progress
Status in linux-kvm source package in Bionic:
In Progress
Status in linux-kvm source package in Disco:
In Progress
Bug description:
To use kube-router as part of a kubernetes install, it requires kernel
module CONFIG_NETFILTER_XT_SET build it makes use of the 'set' module
in iptables.
Otherwise, since this kernel module is not built as a module nor
included in the kernel itself, iptables complains:
root@prod-controller1:~# cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.3 LTS"
root@prod-controller1:~# /sbin/iptables -t nat -A POSTROUTING -m set
--match-set kube-router-pod-subnets src -m set ! --match-set
kube-router-pod-subnets dst -m set ! --match-set kube-router-node-ips dst -j
MASQUERADE --wait
iptables: No chain/target/match by that name.
root@prod-controller1:/boot# grep XT_SET config-$(uname -r)
# CONFIG_NETFILTER_XT_SET is not set
To fix this situation, I would kindly request that CONFIG_NETFILTER_XT_SET be
incldued, at minimum, as a module in the kvm kernel.
Thanks,
Kube-router code that shows the iptables parameters using the 'set' module:
https://github.com/cloudnativelabs/kube-router/blob/00824cd84b862d73dbdf984477178cca9bce9166/pkg/controllers/routing/pod_egress.go#L13
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