73 lines
1.5 KiB
Go
73 lines
1.5 KiB
Go
package sign
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import (
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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)
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type ProcessConfig struct {
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ID string `json:"id" yaml:"id"`
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Workdir string `json:"workdir" yaml:"workdir"`
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Command []string `json:"command" yaml:"command"`
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Prepares [][]string `json:"prepares" yaml:"prepares"`
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Cmd *exec.Cmd `json:"-"`
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}
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func (v *ProcessConfig) BootProcess() error {
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if v.Cmd != nil {
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return nil
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}
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if err := v.PreapreProcess(); err != nil {
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return err
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}
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if v.Cmd == nil {
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return v.StartProcess()
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}
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if v.Cmd.Process == nil || v.Cmd.ProcessState == nil {
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return v.StartProcess()
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}
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if v.Cmd.ProcessState.Exited() {
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return v.StartProcess()
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} else if v.Cmd.ProcessState.Exited() {
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return fmt.Errorf("process already dead")
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}
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if v.Cmd.ProcessState.Exited() {
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return fmt.Errorf("cannot start process")
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} else {
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return nil
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}
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}
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func (v *ProcessConfig) PreapreProcess() error {
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for _, script := range v.Prepares {
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if len(script) <= 0 {
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continue
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}
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cmd := exec.Command(script[0], script[1:]...)
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cmd.Dir = filepath.Join(v.Workdir)
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if err := cmd.Run(); err != nil {
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return err
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}
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}
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return nil
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}
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func (v *ProcessConfig) StartProcess() error {
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if len(v.Command) <= 0 {
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return fmt.Errorf("you need set the command for %s to enable process manager", v.ID)
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}
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v.Cmd = exec.Command(v.Command[0], v.Command[1:]...)
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v.Cmd.Dir = filepath.Join(v.Workdir)
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return v.Cmd.Start()
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}
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func (v *ProcessConfig) StopProcess() error {
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return v.Cmd.Process.Signal(os.Interrupt)
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}
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