mirror of
https://github.com/kubesphere/kubekey.git
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66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
/*
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Copyright 2021 The KubeSphere Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package dns
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import (
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"strings"
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"github.com/kubesphere/kubekey/cmd/kk/pkg/common"
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"github.com/kubesphere/kubekey/cmd/kk/pkg/core/connector"
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)
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type CoreDNSExist struct {
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common.KubePrepare
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Not bool
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}
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func (c *CoreDNSExist) PreCheck(runtime connector.Runtime) (bool, error) {
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_, err := runtime.GetRunner().SudoCmd("/usr/local/bin/kubectl get svc -n kube-system coredns", false)
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if err != nil {
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if strings.Contains(err.Error(), "NotFound") {
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return c.Not, nil
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}
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return false, err
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}
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return !c.Not, nil
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}
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type EnableNodeLocalDNS struct {
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common.KubePrepare
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}
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func (e *EnableNodeLocalDNS) PreCheck(runtime connector.Runtime) (bool, error) {
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if e.KubeConf.Cluster.Kubernetes.EnableNodelocaldns() {
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return true, nil
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}
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return false, nil
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}
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type NodeLocalDNSConfigMapNotExist struct {
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common.KubePrepare
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}
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func (n *NodeLocalDNSConfigMapNotExist) PreCheck(runtime connector.Runtime) (bool, error) {
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if _, err := runtime.GetRunner().SudoCmd("/usr/local/bin/kubectl get cm -n kube-system nodelocaldns", false); err != nil {
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if strings.Contains(err.Error(), "NotFound") {
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return true, nil
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}
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return false, err
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}
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return false, nil
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}
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