mirror of
https://github.com/kubesphere/kubekey.git
synced 2025-12-27 10:52:52 +00:00
92 lines
2.0 KiB
Go
92 lines
2.0 KiB
Go
/*
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Copyright 2020 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 runner
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import (
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"fmt"
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kubekeyapiv1alpha1 "github.com/kubesphere/kubekey/api/v1alpha1"
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"github.com/kubesphere/kubekey/pkg/util/ssh"
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"github.com/pkg/errors"
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"time"
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)
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type Runner struct {
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Conn ssh.Connection
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Debug bool
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Host *kubekeyapiv1alpha1.HostCfg
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Index int
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}
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func (r *Runner) ExecuteCmd(cmd string, retries int, printOutput bool, args ...string) (string, error) {
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if r.Conn == nil {
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return "", errors.New("No ssh connection available")
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}
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var lastErr error
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var lastOutput string
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for _, i := range args {
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if i == "printCmd" {
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fmt.Printf("[%s %s] MSG:\n", r.Host.Name, r.Host.Address)
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fmt.Printf("%s\n", cmd)
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}
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}
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retriesLoop:
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for i := retries; i >= 0; i-- {
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output, err := r.Conn.Exec(cmd, r.Host)
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if err != nil {
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if i == 0 {
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lastErr = err
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lastOutput = output
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}
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if retries != 0 {
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time.Sleep(time.Second * 5)
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}
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} else {
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if printOutput && output != "" {
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fmt.Printf("[%s %s] MSG:\n", r.Host.Name, r.Host.Address)
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fmt.Println(output)
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}
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lastErr = err
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lastOutput = output
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break retriesLoop
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}
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}
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return lastOutput, lastErr
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}
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func (r *Runner) ScpFile(src, dst string) error {
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if r.Conn == nil {
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return errors.New("Runner is not tied to an opened SSH connection")
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}
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err := r.Conn.Scp(src, dst)
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if err != nil {
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if r.Debug {
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fmt.Printf("Push %s to %s:%s Failed\n", src, r.Host.Address, dst)
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return err
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}
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} else {
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if r.Debug {
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fmt.Printf("Push %s to %s:%s Done\n", src, r.Host.Address, dst)
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}
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}
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return nil
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}
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