81 lines
1.9 KiB
Go
81 lines
1.9 KiB
Go
package common
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import (
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"bytes"
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"context"
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"fmt"
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"log"
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"os/exec"
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"strings"
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"time"
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"github.com/hashicorp/packer/helper/multistep"
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"github.com/hashicorp/packer/packer"
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)
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const port string = "13000"
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type StepPollingInstallation struct {
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}
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func (s *StepPollingInstallation) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
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ui := state.Get("ui").(packer.Ui)
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errorMsg := "Error polling VM: %s"
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vmIp := state.Get("ip").(string)
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ui.Say("Start polling VM to check the installation is complete...")
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host := "'" + vmIp + "'," + port
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var blockBuffer bytes.Buffer
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blockBuffer.WriteString("Invoke-Command -scriptblock {function foo(){try{$client=New-Object System.Net.Sockets.TcpClient(")
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blockBuffer.WriteString(host)
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blockBuffer.WriteString(") -ErrorAction SilentlyContinue;if($client -eq $null){return $false}}catch{return $false}return $true} foo}")
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count := 60
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var duration time.Duration = 20
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sleepTime := time.Second * duration
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var res string
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for count > 0 {
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log.Println(fmt.Sprintf("Connecting vm (%s)...", host))
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cmd := exec.Command("powershell", blockBuffer.String())
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cmdOut, err := cmd.Output()
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if err != nil {
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err := fmt.Errorf(errorMsg, err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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res = strings.TrimSpace(string(cmdOut))
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if res != "False" {
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ui.Say("Signal was received from the VM")
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// Sleep before starting provision
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time.Sleep(time.Second * 30)
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break
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}
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log.Println(fmt.Sprintf("Slipping for more %v seconds...", uint(duration)))
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time.Sleep(sleepTime)
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count--
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}
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if count == 0 {
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err := fmt.Errorf(errorMsg, "a signal from vm was not received in a given time period ")
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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ui.Say("The installation complete")
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return multistep.ActionContinue
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}
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func (s *StepPollingInstallation) Cleanup(state multistep.StateBag) {
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}
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