This commit syncs RBAC from coredns/deployment and removes a get nodes
RBAC.
Historically the federation CoreDNS plugin needed the nodes resource to
fetch zone and region labels.
However, the CoreDNS federation plugin was deprecated and cleaned up a
long time ago and removed the Nodes RBAC requirement here in
`coredns/deployment` coredns.yaml.sed:
https://github.com/coredns/deployment/pull/229
This change however, never made it to `kubernetes/kubernetes`.
Signed-off-by: Nico Berlee <nico.berlee@on2it.net>
testing.T.Cleanup ensures the environment is restored after a test and
any of its parallel sub-tests. It's possible that some of these can be
simplified further to T.Setenv(key, ""), but I did not investigate.
T.Setenv ensures that the environment is returned to its prior state
when the test ends. It also panics when called from a parallel test to
prevent racy test interdependencies.
data structure is what returned if everything okay, but this
structure is not validated at all both in `init` and `join` cmd.
Signed-off-by: Dave Chen <dave.chen@arm.com>
The manual conversion was needed to adapt `ClusterConfiguration.DNS` from v1beta2
to v1beta3, now that v1beta2 is removed from the code base, the manual conversion
is unnecessary as well.
The help to reduce the maintenance efforts.
Signed-off-by: Dave Chen <dave.chen@arm.com>
Back up kubelet config file for `kubeadm upgrade apply`, some code
refactoring is done to de-dup some redundant code logic.
Signed-off-by: Dave Chen <dave.chen@arm.com>
The root cause for that error is because `rename` doesn't work
across different mount points.
The kubelet config file and back up directory are mounted to
different file system in kinder environment.
```
df /var/lib/kubelet/config.yaml | tail -n1 | awk '{print $1}'
/dev/sda2
df /etc/kubernetes/tmp/kubeadm-kubelet-configxxx | tail -n1 | awk '{print $1}'
overlay
```
Call `cp` instead of `rename` to back up the kubelet file would fix
that issue.
Signed-off-by: Dave Chen <dave.chen@arm.com>
This addresses the TODO item so that the old kubelet config file could
be recovered if something goes wrong.
Signed-off-by: Dave Chen <dave.chen@arm.com>
Co-authored-by: Paco Xu <paco.xu@daocloud.io>
In fact, this actually uses pkg/util/node's GetHostname() but takes
the unit tests from cmd/kubeadm/app/util's private fork of that
function since they were more extensive. (Of course the fact that
kubeadm had a private fork of this function is a strong argument for
moving it to component-helpers.)
run the testcase with `-v` flag will reveal the warning,
e.g.
`W1103 ... Usage of CRI endpoints without URL scheme is deprecated...`
Signed-off-by: Dave Chen <dave.chen@arm.com>
