feat(instance): add human marshalling for user-data (#1300)

Author: remyleone

internal/namespaces/instance/v1/custom.go

@@ -158,6 +158,7 @@ func GetCommands() *core.Commands {
 	cmds.MustFind("instance", "user-data", "delete").Override(userDataDeleteBuilder)
 	cmds.MustFind("instance", "user-data", "set").Override(userDataSetBuilder)
 	cmds.MustFind("instance", "user-data", "get").Override(userDataGetBuilder)
+	cmds.MustFind("instance", "user-data", "list").Override(userDataListBuilder)
 
 	return cmds
 }

internal/namespaces/instance/v1/custom_user_data.go

@@ -3,7 +3,9 @@ package instance
 import (
 	"context"
 	"fmt"
+	"io"
 	"net/http"
+	"strings"
 
 	"github.com/scaleway/scaleway-cli/internal/core"
 	"github.com/scaleway/scaleway-sdk-go/api/instance/v1"
@@ -53,3 +55,38 @@ func userDataGetBuilder(c *core.Command) *core.Command {
 
 	return c
 }
+
+func userDataListBuilder(c *core.Command) *core.Command {
+	type userDataRow struct {
+		Key   string `json:"key"`
+		Value string `json:"value"`
+	}
+	c.AddInterceptors(func(ctx context.Context, argsI interface{}, runner core.CommandRunner) (interface{}, error) {
+		client := core.ExtractClient(ctx)
+		api := instance.NewAPI(client)
+		args := argsI.(*instance.ListServerUserDataRequest)
+		res, err := api.GetAllServerUserData(&instance.GetAllServerUserDataRequest{
+			Zone:     args.Zone,
+			ServerID: args.ServerID,
+		})
+		if err != nil {
+			return nil, err
+		}
+		var r []userDataRow
+		for a, v := range res.UserData {
+			buf := new(strings.Builder)
+			_, err := io.Copy(buf, v)
+			if err != nil {
+				return nil, err
+			}
+			r = append(r, userDataRow{
+				Key:   a,
+				Value: buf.String(),
+			})
+		}
+
+		return r, nil
+	})
+
+	return c
+}

internal/namespaces/instance/v1/custom_user_data_test.go

@@ -32,3 +32,20 @@ func Test_UserDataGet(t *testing.T) {
 		),
 	}))
 }
+
+func Test_UserDataList(t *testing.T) {
+	t.Run("Simple", core.Test(&core.TestConfig{
+		BeforeFunc: core.BeforeFuncCombine(
+			createServer("Server"),
+			core.ExecBeforeCmd("scw instance user-data set {{ .Server.ID }} key=foo content=bar"),
+			core.ExecBeforeCmd("scw instance user-data set {{ .Server.ID }} key=bar content=foo"),
+		),
+		Commands:  GetCommands(),
+		Cmd:       "scw instance user-data list server-id={{ .Server.ID }}",
+		AfterFunc: deleteServer("Server"),
+		Check: core.TestCheckCombine(
+			core.TestCheckGolden(),
+			core.TestCheckExitCode(0),
+		),
+	}))
+}