http://bugzilla.opensuse.org/show_bug.cgi?id=1105421 Bug ID: 1105421 Summary: CoreDNS doesn't start Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kubic Assignee: kubic-bugs@opensuse.org Reporter: pgeorgiadis@suse.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- I followed the guide at https://kubic.opensuse.org/blog/2018-08-20-kubeadm-intro/ As I have previously said [1], the CNI plugin binaries are misplaced, thus the pods cannot talk to each other. The kubeadm cluster is able to join nodes (you can happily see them: kubectl get nodes) but it's kinda useless the cluster cannot deploy any containers or kube-apps on it. [1] https://bugzilla.novell.com/show_bug.cgi?id=1093132#c29 Feel free to re-open: https://github.com/kubernetes/kubernetes/issues/67390 Reproducer: - Follow https://kubic.opensuse.org/blog/2018-08-20-kubeadm-intro/ - At the end, do: kubectl get pods --namespace=kube-system you will notice two pods of core-dns 0/1 with status "ContainerCreating". This stays forever, thus there's no DNS in the cluster. This happens because kubelet looks at Ubuntu's location by default for CNI plugins:
# cat /var/lib/kubelet/kubeadm-flags.env KUBELET_KUBEADM_ARGS=--cgroup-driver=cgroupfs --cni-bin-dir=/opt/cni/bin --cni-conf-dir=/etc/cni/net.d --network-plugin=cni
Workaround: ~~~~~~~~~~~ Move the cni-plugins into /opt/cni/bin (not recommended) find a way to tell kubelet to look into the correct path (recommended) or even better, use CRI-O instead of Docker and you won't have that problem. See the steps: https://pastebin.com/raw/bJB0zJLD -- You are receiving this mail because: You are the assignee for the bug.