mirror of
https://github.com/labring/sealos.git
synced 2026-09-21 05:44:43 +08:00
fengxsong
0eb9962229
* refactor: migrate buildah's subcommands Signed-off-by: fengxsong <fengxsong@outlook.com> * feat: rootless mode(almost done) Signed-off-by: fengxsong <fengxsong@outlook.com> * fix: set default values for --platform Signed-off-by: fengxsong <fengxsong@outlook.com> * fix: meet ci requirements Signed-off-by: fengxsong <fengxsong@outlook.com> * ci: add build-deps Signed-off-by: fengxsong <fengxsong@outlook.com> * style: define constants Signed-off-by: fengxsong <fengxsong@outlook.com> * feat: provide function to register default appliers Signed-off-by: fengxsong <fengxsong@outlook.com> * style: fix short descriptions of all subcommands Signed-off-by: fengxsong <fengxsong@outlook.com> Signed-off-by: fengxsong <fengxsong@outlook.com>
93 lines
2.5 KiB
Go
93 lines
2.5 KiB
Go
// Copyright © 2021 Alibaba Group Holding Ltd.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package checker
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import (
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"fmt"
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"strconv"
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"time"
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"github.com/labring/sealos/pkg/ssh"
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"github.com/labring/sealos/pkg/utils/logger"
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v2 "github.com/labring/sealos/pkg/types/v1beta1"
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)
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type HostChecker struct {
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IPs []string
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}
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func (a HostChecker) Check(cluster *v2.Cluster, phase string) error {
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var ipList []string
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for _, hosts := range cluster.Spec.Hosts {
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ipList = append(ipList, hosts.IPS...)
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}
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if len(a.IPs) != 0 {
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ipList = a.IPs
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}
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sshClient, err := ssh.NewSSHByCluster(cluster, false)
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if err != nil {
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return fmt.Errorf("checker: failed to create ssh client, %v", err)
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}
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if err := checkHostnameUnique(sshClient, ipList); err != nil {
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return err
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}
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return checkTimeSync(sshClient, ipList)
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}
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func NewHostChecker() Interface {
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return &HostChecker{}
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}
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func NewIPsHostChecker(ips []string) Interface {
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return &HostChecker{IPs: ips}
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}
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func checkHostnameUnique(s ssh.Interface, ipList []string) error {
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logger.Info("checker:hostname %v", ipList)
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hostnameList := map[string]bool{}
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for _, ip := range ipList {
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hostname, err := s.CmdToString(ip, "hostname", "")
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if err != nil {
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return fmt.Errorf("failed to get host %s hostname, %v", ip, err)
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}
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if hostnameList[hostname] {
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return fmt.Errorf("hostname cannot be repeated, please set different hostname")
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}
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hostnameList[hostname] = true
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}
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return nil
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}
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// Check whether the node time is synchronized
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func checkTimeSync(s ssh.Interface, ipList []string) error {
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logger.Info("checker:timeSync %v", ipList)
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for _, ip := range ipList {
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timeStamp, err := s.CmdToString(ip, "date +%s", "")
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if err != nil {
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return fmt.Errorf("failed to get %s timestamp, %v", ip, err)
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}
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ts, err := strconv.Atoi(timeStamp)
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if err != nil {
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return fmt.Errorf("failed to reverse timestamp %s, %v", timeStamp, err)
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}
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timeDiff := time.Since(time.Unix(int64(ts), 0)).Minutes()
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if timeDiff < -1 || timeDiff > 1 {
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return fmt.Errorf("the time of %s node is not synchronized", ip)
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}
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}
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return nil
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}
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