[feature] check settings

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc
 	github.com/deckhouse/deckhouse/pkg/log v0.1.0
 	github.com/deckhouse/deckhouse/pkg/metrics-storage v0.3.0
-	github.com/deckhouse/module-sdk v0.5.0
+	github.com/deckhouse/module-sdk v0.6.0
 	github.com/dominikbraun/graph v0.23.0
 	github.com/ettle/strcase v0.2.0
 	github.com/flant/kube-client v1.5.0
@@ -140,7 +140,7 @@ require (
 	github.com/google/go-containerregistry v0.20.6 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
-	github.com/google/uuid v1.6.0 // indirect
+	github.com/google/uuid v1.6.0
 	github.com/gorilla/mux v1.8.1 // indirect
 	github.com/gorilla/websocket v1.5.1 // indirect
 	github.com/gosuri/uitable v0.0.4 // indirect

go.sum

@@ -102,8 +102,8 @@ github.com/deckhouse/deckhouse/pkg/log v0.1.0 h1:2aPfyiHHSIJlX4x7ysyPOaIb7CLmyY+
 github.com/deckhouse/deckhouse/pkg/log v0.1.0/go.mod h1:pbAxTSDcPmwyl3wwKDcEB3qdxHnRxqTV+J0K+sha8bw=
 github.com/deckhouse/deckhouse/pkg/metrics-storage v0.3.0 h1:xZvbKuexrSQGEw6CB4n3UC7XbOb9QNLbm8UhcGZ2R1I=
 github.com/deckhouse/deckhouse/pkg/metrics-storage v0.3.0/go.mod h1:Rz++SzCLkFW03WGgftnn91TimGU2shiKb5S/YuxcBuE=
-github.com/deckhouse/module-sdk v0.5.0 h1:b2GJUzMKQLr7oJVJy5lXHvyymNyvNiFXpBie7MwEWwE=
-github.com/deckhouse/module-sdk v0.5.0/go.mod h1:+EbBnP8z+poIihgL4l1oxHng5ePqDUK44c39u7sEBss=
+github.com/deckhouse/module-sdk v0.6.0 h1:CuyiLEkPr/3dRYzvvvzR0pInTMSEeThrURuFesIehHE=
+github.com/deckhouse/module-sdk v0.6.0/go.mod h1:+EbBnP8z+poIihgL4l1oxHng5ePqDUK44c39u7sEBss=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
 github.com/disintegration/imaging v1.6.2 h1:w1LecBlG2Lnp8B3jk5zSuNqd7b4DXhcjwek1ei82L+c=

pkg/module_manager/models/hooks/kind/batch_hook.go

@@ -303,6 +303,10 @@ func remapSDKConfigToConfig(input *sdkhook.BatchHookConfig) (*BatchHookConfig, e
 			cfg.Readiness = input.Readiness
 			cfg.Hooks[BatchHookReadyKey] = input.Readiness
 		}
+
+		if input.HasSettingsCheck {
+			cfg.HasSettingsCheck = true
+		}
 	default:
 		return nil, fmt.Errorf("unknown version '%s'", input.Version)
 	}

pkg/module_manager/models/hooks/kind/check.go

@@ -0,0 +1,96 @@
+// Copyright 2025 Flant JSC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package kind
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"log/slog"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/deckhouse/deckhouse/pkg/log"
+	"github.com/deckhouse/module-sdk/pkg/settingscheck"
+	"github.com/google/uuid"
+
+	"github.com/flant/addon-operator/pkg/utils"
+	"github.com/flant/shell-operator/pkg/executor"
+)
+
+type SettingsCheck struct {
+	path   string
+	tmp    string
+	logger *log.Logger
+}
+
+func NewSettingsCheck(path, tmpPath string, logger *log.Logger) *SettingsCheck {
+	return &SettingsCheck{
+		path:   path,
+		tmp:    tmpPath,
+		logger: logger,
+	}
+}
+
+// Check runs the setting check via the OS interpreter and returns the result of the execution
+func (c *SettingsCheck) Check(ctx context.Context, settings utils.Values) (settingscheck.Result, error) {
+	// tmp files has uuid in name and create only in tmp folder (because of RO filesystem)
+	tmp, err := c.prepareTmpFile(settings)
+	if err != nil {
+		return settingscheck.Result{}, err
+	}
+
+	// Remove tmp files after execution
+	defer func() {
+		if err = os.Remove(tmp); err != nil {
+			c.logger.Error("remove tmp file", slog.String("file", tmp), log.Err(err))
+		}
+	}()
+
+	envs := os.Environ()
+	envs = append(envs, fmt.Sprintf("%s=%s", settingscheck.EnvSettingsPath, tmp))
+
+	result := settingscheck.Result{
+		Valid: true,
+	}
+
+	cmd := executor.NewExecutor("", c.path, []string{"hook", "check"}, envs).WithLogger(c.logger.Named("executor"))
+	if _, err = cmd.RunAndLogLines(ctx, make(map[string]string)); err != nil {
+		trimmed := bytes.NewBufferString(strings.TrimPrefix(err.Error(), "stderr:"))
+
+		if err = json.NewDecoder(trimmed).Decode(&result); err != nil {
+			return settingscheck.Result{}, fmt.Errorf("parse output: %s", err)
+		}
+	}
+
+	return result, nil
+}
+
+// prepareTmpFile creates temporary files for hook and returns environment variables with paths
+func (c *SettingsCheck) prepareTmpFile(settings utils.Values) (string, error) {
+	data, err := settings.JsonBytes()
+	if err != nil {
+		return "", err
+	}
+
+	path := filepath.Join(c.tmp, fmt.Sprintf("%s.json", uuid.New().String()))
+	if err = utils.DumpData(path, data); err != nil {
+		return "", err
+	}
+
+	return path, err
+}

pkg/module_manager/models/hooks/kind/config.go

@@ -5,6 +5,7 @@ import sdkhook "github.com/deckhouse/module-sdk/pkg/hook"
 const BatchHookReadyKey = "ready"
 
 type BatchHookConfig struct {
-	Hooks     map[string]*sdkhook.HookConfig
-	Readiness *sdkhook.HookConfig
+	Hooks            map[string]*sdkhook.HookConfig
+	Readiness        *sdkhook.HookConfig
+	HasSettingsCheck bool
 }