refactor: refactor common functions and command prompt

pitr/cli/internal/cmd/backup.go

@@ -27,6 +27,7 @@ import (
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/internal/pkg/xerr"
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/logging"
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/prettyoutput"
+	"github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/promptutil"
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/timeutil"
 
 	"github.com/google/uuid"
@@ -42,6 +43,9 @@ const (
 	defaultInstance = "ins-default-ss"
 	// defaultShowDetailRetryTimes retry times of check backup detail from agent server
 	defaultShowDetailRetryTimes = 3
+
+	backupPromptFmt = "Please Check All Nodes Disk Space, Make Sure Have Enough Space To Backup Or Restore Data.\n" +
+		"Are you sure to continue? (Y/N)"
 )
 
 var filename string
@@ -161,10 +165,8 @@ func backup() error {
 		return xerr.NewCliErr(fmt.Sprintf("check disk space failed. err: %s", err))
 	}
 
-	prompt := fmt.Sprintf(
-		"Please Check All Nodes Disk Space, Make Sure Have Enough Space To Backup Or Restore Data.\n" +
-			"Are you sure to continue? (Y/N)")
-	err = getUserApproveInTerminal(prompt)
+	prompt := fmt.Sprintln(backupPromptFmt)
+	err = promptutil.GetUserApproveInTerminal(prompt)
 	if err != nil {
 		return xerr.NewCliErr(fmt.Sprintf("%s", err))
 	}

pitr/cli/internal/cmd/backup_test.go

@@ -27,6 +27,7 @@ import (
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/internal/pkg/xerr"
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/httputils"
 	mock_httputils "github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/httputils/mocks"
+	"github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/promptutil"
 	"github.com/golang/mock/gomock"
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
@@ -327,7 +328,7 @@ var _ = Describe("test backup mock", func() {
 			monkey.Patch(pkg.NewAgentServer, func(addr string) pkg.IAgentServer {
 				return as
 			})
-			monkey.Patch(getUserApproveInTerminal, func(_ string) error {
+			monkey.Patch(promptutil.GetUserApproveInTerminal, func(_ string) error {
 				return nil
 			})
 		})

pitr/cli/internal/cmd/common.go

@@ -19,10 +19,13 @@ package cmd
 
 import (
 	"fmt"
+	"os"
 
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/internal/pkg"
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/internal/pkg/model"
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/internal/pkg/xerr"
+	"github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/logging"
+	"github.com/jedib0t/go-pretty/v6/table"
 )
 
 func validate(ls pkg.ILocalStorage, csn, recordID string) ([]*model.LsBackup, error) {
@@ -54,3 +57,105 @@ func validate(ls pkg.ILocalStorage, csn, recordID string) ([]*model.LsBackup, er
 
 	return baks, nil
 }
+
+func convertLocalhost(ip string) string {
+	if ip == "127.0.0.1" {
+		return Host
+	}
+	return ip
+}
+
+func checkAgentServerStatus(lsBackup *model.LsBackup) bool {
+
+	statusList := make([]*model.AgentServerStatus, 0)
+
+	// all agent server are available
+	available := true
+
+	// IMPORTANT: we don't support multiple agent server run on the same host
+	asMap := make(map[string]bool)
+	asDuplicate := false
+
+	for _, node := range lsBackup.SsBackup.StorageNodes {
+		sn := node
+		as := pkg.NewAgentServer(fmt.Sprintf("%s:%d", convertLocalhost(sn.IP), AgentPort))
+		in := &model.HealthCheckIn{
+			DBPort:   sn.Port,
+			DBName:   sn.Database,
+			Username: sn.Username,
+			Password: sn.Password,
+		}
+		if err := as.CheckStatus(in); err != nil {
+			statusList = append(statusList, &model.AgentServerStatus{IP: sn.IP, Port: AgentPort, Status: fmt.Sprintf("Unavailable: %s", err)})
+			available = false
+		} else {
+			statusList = append(statusList, &model.AgentServerStatus{IP: sn.IP, Port: AgentPort, Status: "Available"})
+		}
+	}
+
+	t := table.NewWriter()
+	t.SetOutputMirror(os.Stdout)
+	t.SetTitle("Agent Server Status")
+	t.AppendHeader(table.Row{"#", "Agent Server IP", "Agent Server Port", "Status"})
+
+	for i, s := range statusList {
+		t.AppendRow([]interface{}{i + 1, s.IP, s.Port, s.Status})
+		t.AppendSeparator()
+	}
+
+	t.Render()
+
+	for _, node := range lsBackup.SsBackup.StorageNodes {
+		if _, ok := asMap[node.IP]; ok {
+			asDuplicate = true
+			break
+		}
+		asMap[node.IP] = true
+	}
+
+	if asDuplicate {
+		logging.Error("IMPORTANT!: we don't support multiple agent server run on the same host.\n")
+		return false
+	}
+
+	return available
+}
+
+func checkDiskSpace(lsBackup *model.LsBackup) error {
+	var (
+		diskspaceList = make([]*model.DiskSpaceStatus, 0)
+	)
+	for _, sn := range lsBackup.SsBackup.StorageNodes {
+		var data string
+		as := pkg.NewAgentServer(fmt.Sprintf("%s:%d", convertLocalhost(sn.IP), AgentPort))
+		in := &model.DiskSpaceIn{
+			DiskPath: BackupPath,
+		}
+
+		out, err := as.ShowDiskSpace(in)
+
+		if err != nil {
+			data = "Check disk space failed."
+		} else {
+			data = out.Data
+		}
+
+		diskspaceList = append(diskspaceList, &model.DiskSpaceStatus{
+			IP:              sn.IP,
+			Path:            BackupPath,
+			DiskSpaceStatus: data,
+		})
+	}
+
+	// print diskspace result formatted
+	t := table.NewWriter()
+	t.SetOutputMirror(os.Stdout)
+	t.SetTitle("Disk Space Status")
+	t.AppendHeader(table.Row{"#", "Data Node IP", "Disk Path", "Disk Space Status"})
+	for i, ds := range diskspaceList {
+		t.AppendRow([]interface{}{i + 1, ds.IP, ds.Path, ds.DiskSpaceStatus})
+		t.AppendSeparator()
+	}
+	t.Render()
+	return nil
+}

pitr/cli/internal/cmd/delete.go

@@ -27,6 +27,7 @@ import (
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/internal/pkg/xerr"
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/logging"
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/prettyoutput"
+	"github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/promptutil"
 	"github.com/jedib0t/go-pretty/v6/table"
 
 	"github.com/spf13/cobra"
@@ -79,6 +80,11 @@ func init() {
 	DeleteCmd.Flags().StringVarP(&RecordID, "id", "", "", "backup record id")
 }
 
+const (
+	deletePromptFmt = "The backup record(ID: %s, CSN: %s) will be deleted forever.\n" +
+		"Are you sure to continue? (Y/N)"
+)
+
 //nolint:dupl
 func deleteRecord() error {
 	// init local storage
@@ -101,10 +107,8 @@ func deleteRecord() error {
 		return xerr.NewCliErr("one or more agent server are not available.")
 	}
 
-	prompt := fmt.Sprintf(
-		"The backup record(ID: %s, CSN: %s) will be deleted forever.\n"+
-			"Are you sure to continue? (Y/N)", bak.Info.ID, bak.Info.CSN)
-	err = getUserApproveInTerminal(prompt)
+	prompt := fmt.Sprintf(deletePromptFmt, bak.Info.ID, bak.Info.CSN)
+	err = promptutil.GetUserApproveInTerminal(prompt)
 	if err != nil {
 		return xerr.NewCliErr(fmt.Sprintf("%s", err))
 	}

pitr/cli/internal/cmd/delete_test.go

@@ -25,6 +25,7 @@ import (
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/internal/pkg"
 	mock_pkg "github.com/apache/shardingsphere-on-cloud/pitr/cli/internal/pkg/mocks"
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/internal/pkg/model"
+	"github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/promptutil"
 	"github.com/golang/mock/gomock"
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
@@ -75,7 +76,7 @@ var _ = Describe("test delete", func() {
 		monkey.Patch(pkg.NewLocalStorage, func(rootDir string) (pkg.ILocalStorage, error) {
 			return ls, nil
 		})
-		monkey.Patch(getUserApproveInTerminal, func(_ string) error {
+		monkey.Patch(promptutil.GetUserApproveInTerminal, func(_ string) error {
 			return nil
 		})
 	})

pitr/cli/internal/cmd/restore.go

@@ -28,6 +28,7 @@ import (
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/internal/pkg/xerr"
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/logging"
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/prettyoutput"
+	"github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/promptutil"
 
 	"github.com/jedib0t/go-pretty/v6/progress"
 	"github.com/jedib0t/go-pretty/v6/table"
@@ -86,6 +87,12 @@ func init() {
 	RestoreCmd.Flags().StringVarP(&RecordID, "id", "", "", "backup record id")
 }
 
+const (
+	restorePromptFmt = "Detected That The Database [%s] Already Exists In ShardingSphere-Proxy Metadata.\n" +
+		"The Logic Database Will Be DROPPED And Then Insert Backup's Metadata Into ShardingSphere-Proxy After Restoring The Backup Data.\n" +
+		"Are you sure to continue? (Y/N)"
+)
+
 //nolint:dupl
 func restore() error {
 	// init local storage
@@ -112,11 +119,8 @@ func restore() error {
 		return xerr.NewCliErr(fmt.Sprintf("check database exist failed. err: %s", err))
 	}
 
-	prompt := fmt.Sprintf(
-		"Detected That The Database [%s] Already Exists In ShardingSphere-Proxy Metadata.\n"+
-			"The Logic Database Will Be DROPPED And Then Insert Backup's Metadata Into ShardingSphere-Proxy After Restoring The Backup Data.\n"+
-			"Are you sure to continue? (Y/N)", strings.Join(databaseNamesExist, ","))
-	err = getUserApproveInTerminal(prompt)
+	prompt := fmt.Sprintf(restorePromptFmt, strings.Join(databaseNamesExist, ","))
+	err = promptutil.GetUserApproveInTerminal(prompt)
 	if err != nil {
 		return xerr.NewCliErr(fmt.Sprintf("%s", err))
 	}

pitr/cli/internal/cmd/restore_test.go

@@ -26,6 +26,7 @@ import (
 	mock_pkg "github.com/apache/shardingsphere-on-cloud/pitr/cli/internal/pkg/mocks"
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/internal/pkg/model"
 	"github.com/apache/shardingsphere-on-cloud/pitr/cli/internal/pkg/xerr"
+	"github.com/apache/shardingsphere-on-cloud/pitr/cli/pkg/promptutil"
 	"github.com/golang/mock/gomock"
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
@@ -104,7 +105,7 @@ var _ = Describe("test restore", func() {
 		monkey.Patch(pkg.NewLocalStorage, func(rootDir string) (pkg.ILocalStorage, error) {
 			return ls, nil
 		})
-		monkey.Patch(getUserApproveInTerminal, func(_ string) error {
+		monkey.Patch(promptutil.GetUserApproveInTerminal, func(_ string) error {
 			return nil
 		})
 	})
@@ -115,7 +116,7 @@ var _ = Describe("test restore", func() {
 	})
 
 	It("check database if exists", func() {
-		monkey.Patch(getUserApproveInTerminal, func(_ string) error { return nil })
+		monkey.Patch(promptutil.GetUserApproveInTerminal, func(_ string) error { return nil })
 		proxy.EXPECT().ExportMetaData()
 		Expect(checkDatabaseExist(proxy, bak)).To(BeNil())
 	})