WIP

cmd/restore.go

@@ -3,22 +3,74 @@ package cmd
 import (
 	"fmt"
 	"github.com/spf13/cobra"
+	"os"
+	"path/filepath"
+	"playbookctl/internal/space_worker"
+	"playbookctl/internal/types"
+	"playbookctl/internal/utils/logger"
+)
+
+var (
+	flagRestoreTimestamp string
+	flagRestoreInventory string
 )
 
 func NewCommandRestore() *cobra.Command {
-	spaceCmd := &cobra.Command{
+	restoreCmd := &cobra.Command{
-		Use:   "restore",
+		Use:               "restore [role1, role2, ...]",
 		Short:             "восстановить резервную копированию пространства",
+		Args:              restoreCheckArgsE,
+		ValidArgsFunction: ArgRoleCompletion,
 		RunE:              restoreRunE,
 	}
 
-	return spaceCmd
+	restoreCmd.Flags().Uint8Var(&flagAnsibleVerbose, "ansible-verbose", 0, "ansible verbose mode (0-3)")
+	restoreCmd.Flags().StringVar(&flagAnsibleBin, "ansible-bin", "/usr/bin/ansible-playbook", "путь к ansible-playbook")
+	restoreCmd.Flags().BoolVar(&flagGenOnly, "generate-only", false, "только сгенерировать исполняемую команду")
+	restoreCmd.Flags().StringVar(&flagTargetHost, "target", "", "имя целевого хоста")
+	restoreCmd.Flags().StringVar(&flagRestoreTimestamp, "timestamp", "latest", "выбор времени бекапа")
+	restoreCmd.Flags().StringVar(&flagRestoreInventory, "inventory", "", "выбор хост бекапа")
+
+	if err := restoreCmd.MarkFlagFilename("ansible-bin"); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	return restoreCmd
+}
+
+func restoreCheckArgsE(_ *cobra.Command, args []string) error {
+	if len(args) == 0 {
+		return nil
+	}
+
+	workDir, err := filepath.Abs(flagWorkdir)
+	if err != nil {
+		return err
+	}
+
+	playbook, err := types.ReadPlaybook(workDir)
+	if err != nil {
+		return err
+	}
+
+	for _, roleName := range args {
+		if !containsInSlice(roleName, playbook.Roles) {
+			return fmt.Errorf("роли \"%s\" не существует или она не добавлена в playbook.yml", roleName)
+		}
+	}
+
+	return nil
 }
 
 func restoreRunE(_ *cobra.Command, args []string) error {
-	fmt.Println("[dummy] restore")
+	workDir, err := filepath.Abs(flagWorkdir)
-	for _, elm := range args {
+	if err != nil {
-		fmt.Printf("- %s\n", elm)
+		return err
 	}
-	return nil
+
+	spaceWorker := space_worker.NewSpaceWorker(logger.LogVerbose(flagVerbose), workDir)
+	spaceWorker.AnsibleBin = flagAnsibleBin
+	spaceWorker.AnsibleVerbose = flagAnsibleVerbose
+	return spaceWorker.Restore(flagGenOnly, flagTargetHost, flagRestoreTimestamp, flagRestoreInventory, args...)
 }

cmd/root.go

@@ -42,7 +42,7 @@ func init() {
 	rootCmd.AddCommand(NewCommandHosts())
 	//mainCmd.AddCommand(cmd.NewCommandOpenports())
 	rootCmd.AddCommand(NewCommandBackup())
-	//mainCmd.AddCommand(cmd.NewCommandRestore())
+	rootCmd.AddCommand(NewCommandRestore())
 }
 
 func Execute() {

internal/space_worker/space_worker.go

@@ -394,6 +394,138 @@ func (app *SpaceWorker) setupBackupAnsibleArgs(verbose uint8, targetHost string,
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
+func (app *SpaceWorker) Restore(generateOnly bool, targetHost string, timestamp string, inventory string, roles ...string) error {
+	app.log.Debug(fmt.Sprintf("workDir: %s", app.workDir))
+
+	var host string
+	if targetHost != "" {
+		host = targetHost
+	} else {
+		var err error
+		host, err = app.GetDefaultHost()
+		if err != nil {
+			return err
+		}
+	}
+
+	preRestoreFile := fmt.Sprintf("/tmp/%s", time.Now().Format("20060102_150405"))
+
+	ansibleArgs, err := app.setupPreRestoreAnsibleArgs(app.AnsibleVerbose, host, roles, preRestoreFile, timestamp, inventory)
+	if err != nil {
+		return err
+	}
+
+	command := exec.Command(app.AnsibleBin, ansibleArgs...)
+	command.Dir = app.workDir
+	command.Stdin = os.Stdin
+	command.Stdout = os.Stdout
+	command.Stderr = os.Stderr
+
+	app.log.Info(fmt.Sprintf("Target Host: %s", host))
+
+	app.log.Info("Pre restore Ansible")
+	_ = command.Run()
+
+	app.log.Info("Send files")
+	command = exec.Command("/bin/bash", "-c", preRestoreFile)
+	command.Dir = app.workDir
+	command.Stdin = os.Stdin
+	command.Stdout = os.Stdout
+	command.Stderr = os.Stderr
+	_ = command.Run()
+
+	app.log.Info("Restore Ansible")
+	ansibleArgs, err = app.setupRestoreAnsibleArgs(app.AnsibleVerbose, host, roles, preRestoreFile, timestamp, inventory)
+	if err != nil {
+		return err
+	}
+
+	command = exec.Command(app.AnsibleBin, ansibleArgs...)
+	command.Dir = app.workDir
+	command.Stdin = os.Stdin
+	command.Stdout = os.Stdout
+	command.Stderr = os.Stderr
+	_ = command.Run()
+
+	app.log.Info("Clean temp files")
+	command = exec.Command("/bin/bash", "-c", preRestoreFile+"_clean")
+	command.Dir = app.workDir
+	command.Stdin = os.Stdin
+	command.Stdout = os.Stdout
+	command.Stderr = os.Stderr
+	_ = command.Run()
+
+	if err = utils.RemoveFile(preRestoreFile); err != nil {
+		return err
+	}
+	if err = utils.RemoveFile(preRestoreFile + "_clean"); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (app *SpaceWorker) setupPreRestoreAnsibleArgs(verbose uint8, targetHost string, roles []string, preRestoreFile string, timestamp string, inventory string) ([]string, error) {
+	var ansibleArgs []string
+
+	switch verbose {
+	case 1:
+		ansibleArgs = append(ansibleArgs, "-v")
+	case 2:
+		ansibleArgs = append(ansibleArgs, "-vv")
+	case 3:
+		ansibleArgs = append(ansibleArgs, "-vvv")
+	}
+
+	ansibleArgs = append(ansibleArgs, "-i", "hosts.yml")
+	ansibleArgs = append(ansibleArgs, "-l", targetHost)
+
+	if len(roles) > 0 {
+		for _, role := range roles {
+			ansibleArgs = append(ansibleArgs, "--extra-vars", fmt.Sprintf("dd_prerestore_%s=true", role))
+		}
+	} else {
+		ansibleArgs = append(ansibleArgs, "--extra-vars", "dd_prerestore=true")
+	}
+
+	ansibleArgs = append(ansibleArgs, "--extra-vars", fmt.Sprintf("dd_restore_datetime=%s", timestamp))
+	ansibleArgs = append(ansibleArgs, "--extra-vars", fmt.Sprintf("dd_restore_inventory=%s", inventory))
+	ansibleArgs = append(ansibleArgs, "--extra-vars", fmt.Sprintf("dd_prerestore_file=%s", preRestoreFile))
+
+	return append(ansibleArgs, "playbook.yml"), nil
+}
+
+func (app *SpaceWorker) setupRestoreAnsibleArgs(verbose uint8, targetHost string, roles []string, preRestoreFile string, timestamp string, inventory string) ([]string, error) {
+	var ansibleArgs []string
+
+	switch verbose {
+	case 1:
+		ansibleArgs = append(ansibleArgs, "-v")
+	case 2:
+		ansibleArgs = append(ansibleArgs, "-vv")
+	case 3:
+		ansibleArgs = append(ansibleArgs, "-vvv")
+	}
+
+	ansibleArgs = append(ansibleArgs, "-i", "hosts.yml")
+	ansibleArgs = append(ansibleArgs, "-l", targetHost)
+
+	if len(roles) > 0 {
+		for _, role := range roles {
+			ansibleArgs = append(ansibleArgs, "--extra-vars", fmt.Sprintf("dd_restore_%s=true", role))
+		}
+	} else {
+		ansibleArgs = append(ansibleArgs, "--extra-vars", "dd_restore=true")
+	}
+
+	ansibleArgs = append(ansibleArgs, "--extra-vars", fmt.Sprintf("dd_restore_datetime=%s", timestamp))
+	ansibleArgs = append(ansibleArgs, "--extra-vars", fmt.Sprintf("dd_restore_inventory=%s", inventory))
+
+	return append(ansibleArgs, "playbook.yml"), nil
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
 func (app *SpaceWorker) ListHosts() error {
 	app.log.Debug(fmt.Sprintf("workDir: %s", app.workDir))