Support custom dnsDomain for cluster

[pixiake]

What does this PR do?

Support custom dnsDomain for cluster.

Signed-off-by: pixiake guofeng@yunify.com

[ks-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: pixiake

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[pixiake]

/cc @RolandMa1986 @24sama

[RolandMa1986]

@pixiake Do we need to change this function too?

kubekey/apis/kubekey/v1alpha2/cluster_types.go

Line 197 in 88c26e5

clusterSvc := fmt.Sprintf("kubernetes.default.svc.%s", cfg.Kubernetes.ClusterName)

[pixiake]

@pixiake Do we need to change this function too?

kubekey/apis/kubekey/v1alpha2/cluster_types.go

Line 197 in 88c26e5

clusterSvc := fmt.Sprintf("kubernetes.default.svc.%s", cfg.Kubernetes.ClusterName)

Yes, it needs to be modified. I have changed it.

[RolandMa1986]

/lgtm

[ks-ci-bot]

LGTM label has been added.

Git tree hash: 3813e228a291fc2c4588a8cc6f246c10745fee1c

[pixiake]

/cherrypick release-2.0

[ks-ci-bot]

@pixiake: new pull request created: #1006

In response to this:

/cherrypick release-2.0

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