forked from crc-org/crc
/
preflight_daemon_task_check_windows.go
138 lines (126 loc) · 4.34 KB
/
preflight_daemon_task_check_windows.go
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package preflight
import (
"bytes"
"encoding/xml"
"fmt"
"os"
"strings"
"github.com/code-ready/crc/pkg/crc/constants"
"github.com/code-ready/crc/pkg/crc/logging"
"github.com/code-ready/crc/pkg/crc/version"
"github.com/code-ready/crc/pkg/os/windows/powershell"
)
var (
// https://docs.microsoft.com/en-us/windows/win32/taskschd/daily-trigger-example--xml-
daemonTaskTemplate = `<?xml version="1.0" encoding="UTF-16"?>
<Task version="1.3" xmlns="http://schemas.microsoft.com/windows/2004/02/mit/task">
<RegistrationInfo>
<Description>Run crc daemon as a task</Description>
<Version>%s</Version>
</RegistrationInfo>
<Settings>
<DisallowStartIfOnBatteries>false</DisallowStartIfOnBatteries>
<StopIfGoingOnBatteries>false</StopIfGoingOnBatteries>
<Hidden>true</Hidden>
<MultipleInstancesPolicy>IgnoreNew</MultipleInstancesPolicy>
<IdleSettings>
<Duration>PT10M</Duration>
<WaitTimeout>PT1H</WaitTimeout>
<StopOnIdleEnd>true</StopOnIdleEnd>
<RestartOnIdle>false</RestartOnIdle>
</IdleSettings>
<UseUnifiedSchedulingEngine>true</UseUnifiedSchedulingEngine>
</Settings>
<Triggers />
<Actions Context="Author">
<Exec>
<Command>powershell.exe</Command>
<Arguments>-WindowStyle Hidden -Command %s</Arguments>
</Exec>
</Actions>
</Task>
`
)
func genDaemonTaskInstallTemplate(crcVersion, daemonServiceName string) string {
return fmt.Sprintf(daemonTaskTemplate,
crcVersion,
daemonServiceName,
)
}
func checkIfDaemonTaskInstalled() error {
_, stderr, err := powershell.Execute("Get-ScheduledTask", "-TaskName", constants.DaemonTaskName)
if err != nil {
logging.Debugf("%s task is not installed: %v : %s", constants.DaemonTaskName, err, stderr)
return err
}
if err := checkIfOlderTask(); err != nil {
return err
}
return nil
}
func fixDaemonTaskInstalled() error {
// prepare the task script
binPath, err := os.Executable()
if err != nil {
return fmt.Errorf("unable to find the current executable location: %v", err)
}
binPathWithArgs := fmt.Sprintf("%s daemon", binPath)
var buf bytes.Buffer
if err := xml.EscapeText(&buf, []byte(binPathWithArgs)); err != nil {
return err
}
taskContent := genDaemonTaskInstallTemplate(
version.GetCRCVersion(),
buf.String(),
)
if _, stderr, err := powershell.Execute("Register-ScheduledTask", "-Xml", fmt.Sprintf(`'%s'`, taskContent), "-TaskName", constants.DaemonTaskName); err != nil {
return fmt.Errorf("failed to register %s task, %v: %s", constants.DaemonTaskName, err, stderr)
}
return nil
}
func removeDaemonTask() error {
if err := checkIfDaemonTaskRunning(); err == nil {
_, stderr, err := powershell.Execute("Stop-ScheduledTask", "-TaskName", constants.DaemonTaskName)
if err != nil {
logging.Debugf("unable to stop the %s task: %v : %s", constants.DaemonTaskName, err, stderr)
return err
}
}
if err := checkIfDaemonTaskInstalled(); err == nil {
_, stderr, err := powershell.Execute("Unregister-ScheduledTask", "-TaskName", constants.DaemonTaskName, "-Confirm:$false")
if err != nil {
logging.Debugf("unable to unregister the %s task: %v : %s", constants.DaemonTaskName, err, stderr)
return err
}
}
return nil
}
func checkIfDaemonTaskRunning() error {
stdout, stderr, err := powershell.Execute(fmt.Sprintf(`(Get-ScheduledTask -TaskName "%s").State`, constants.DaemonTaskName))
if err != nil {
logging.Debugf("%s task is not running: %v : %s", constants.DaemonTaskName, err, stderr)
return err
}
if strings.TrimSpace(stdout) != "Running" {
return fmt.Errorf("expected %s task to be in 'Running' but got '%s'", constants.DaemonTaskName, stdout)
}
return nil
}
func fixDaemonTaskRunning() error {
_, stderr, err := powershell.Execute("Start-ScheduledTask", "-TaskName", constants.DaemonTaskName)
if err != nil {
logging.Debugf("unable to run the %s task: %v : %s", constants.DaemonTaskName, err, stderr)
return err
}
return nil
}
func checkIfOlderTask() error {
stdout, stderr, err := powershell.Execute(fmt.Sprintf(`(Get-ScheduledTask -TaskName "%s").Version`, constants.DaemonTaskName))
if err != nil {
return fmt.Errorf("%s task is not running: %v : %s", constants.DaemonTaskName, err, stderr)
}
if strings.TrimSpace(stdout) != version.GetCRCVersion() {
return fmt.Errorf("expected %s task to be on version '%s' but got '%s'", constants.DaemonTaskName, version.GetCRCVersion(), stdout)
}
return nil
}