fix: customize namespace issue to get correct k8s namespace name (#1132)

pkg/engine/api/builders/appconfig_builder.go

@@ -17,7 +17,6 @@ package builders
 import (
 	"fmt"
 
-	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"kcl-lang.io/kpm/pkg/api"
 
 	v1 "kusionstack.io/kusion/pkg/apis/api.kusion.io/v1"
@@ -41,7 +40,7 @@ func (acg *AppsConfigBuilder) Build(kclPackage *api.KclPackage, project *v1.Proj
 			return fmt.Errorf("kcl package is nil when generating app configuration for %s", appName)
 		}
 		dependencies := kclPackage.GetDependenciesInModFile()
-		gfs = append(gfs, generators.NewAppConfigurationGeneratorFunc(project.Name, stack.Name, appName, &app, acg.Workspace, dependencies))
+		gfs = append(gfs, generators.NewAppConfigurationGeneratorFunc(project, stack, appName, &app, acg.Workspace, dependencies))
 		return nil
 	})
 	if err != nil {
@@ -51,53 +50,5 @@ func (acg *AppsConfigBuilder) Build(kclPackage *api.KclPackage, project *v1.Proj
 		return nil, err
 	}
 
-	// updates generated spec resources based on project and stack extensions.
-	patchResourcesWithExtensions(project, stack, i)
-
 	return i, nil
 }
-
-// patchResourcesWithExtensions updates generated spec resources based on project and stack extensions.
-func patchResourcesWithExtensions(project *v1.Project, stack *v1.Stack, spec *v1.Spec) {
-	extensions := mergeExtensions(project, stack)
-	if len(extensions) == 0 {
-		return
-	}
-
-	for _, extension := range extensions {
-		switch extension.Kind {
-		case v1.KubernetesNamespace:
-			patchResourcesKubeNamespace(spec, extension.KubeNamespace.Namespace)
-		default:
-			// do nothing
-		}
-	}
-}
-
-func patchResourcesKubeNamespace(spec *v1.Spec, namespace string) {
-	for _, resource := range spec.Resources {
-		if resource.Type == v1.Kubernetes {
-			u := &unstructured.Unstructured{Object: resource.Attributes}
-			u.SetNamespace(namespace)
-		}
-	}
-}
-
-func mergeExtensions(project *v1.Project, stack *v1.Stack) []*v1.Extension {
-	var extensions []*v1.Extension
-	extensionKindMap := make(map[string]struct{})
-	if stack.Extensions != nil && len(stack.Extensions) != 0 {
-		for _, extension := range stack.Extensions {
-			extensions = append(extensions, extension)
-			extensionKindMap[string(extension.Kind)] = struct{}{}
-		}
-	}
-	if project.Extensions != nil && len(project.Extensions) != 0 {
-		for _, extension := range project.Extensions {
-			if _, exist := extensionKindMap[string(extension.Kind)]; !exist {
-				extensions = append(extensions, extension)
-			}
-		}
-	}
-	return extensions
-}

pkg/engine/api/generate/run/testdata/base/base.k

@@ -1,12 +1,10 @@
 import kam.v1.app_configuration as ac
-import kam.v1.workload as wl
-import kam.v1.workload.container as c
-import kam.v1.workload.container.probe as p
-import opsrule as t
+import service as svc
+import service.container as c
 
 # base.k declares reusable configurations for all stacks.
 helloworld: ac.AppConfiguration {
-    workload: wl.Service {
+    workload: svc.Service {
         containers: {
             "nginx": c.Container {
                 image: "nginx:v1"
@@ -23,22 +21,9 @@ helloworld: ac.AppConfiguration {
                 }
                 # Run the command "/bin/sh -c echo hi", as defined above, in the directory "/tmp"
                 workingDir: "/tmp"
-                # Configure a HTTP readiness probe
-                readinessProbe: p.Probe {
-                    probeHandler: p.Http {
-                        url: "http://localhost:80"
-                    }
-                    initialDelaySeconds: 10
-                }
             }
         }
         # Set the replicas
         replicas: 2
     }
-
-    accessories: {
-        "kusionstack/opsrule@v0.0.9": t.OpsRule {
-            maxUnavailable: "30%"
-        }
-    }
 }

pkg/engine/api/generate/run/testdata/prod/kcl.mod

@@ -3,8 +3,8 @@ name = "testdata"
 version = "0.1.0"
 
 [dependencies]
-opsrule = { oci = "oci://ghcr.io/kusionstack/opsrule", tag = "0.1.0" }
-kam = { git = "https://github.com/KusionStack/kam.git", tag = "0.1.0" }
+kam = { git = "https://github.com/KusionStack/kam.git", tag = "0.2.0-beta" }
+service = { oci = "oci://ghcr.io/kusionstack/service", tag = "0.1.0-beta" }
 
 [profile]
 entries = ["../base/base.k", "main.k"]

pkg/engine/api/generate/run/testdata/prod/main.k

@@ -2,8 +2,4 @@ import kam.v1.app_configuration as ac
 
 # main.k declares customized configurations for prod stack.
 helloworld: ac.AppConfiguration {
-    workload.containers.nginx: {
-        # prod stack has different image
-        image = "nginx:v2"
-    }
 }

pkg/engine/api/generate/run/testdata/project.yaml

@@ -1,2 +1,6 @@
 # The project basic info
 name: testdata
+extensions:
+  - kind: "kubernetesNamespace"
+    kubernetesNamespace:
+      namespace: "dev"

pkg/modules/generators/app_configurations_generator.go

@@ -1,3 +1,17 @@
+// Copyright 2024 KusionStack Authors
+//
+// 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 generators
 
 import (
@@ -24,28 +38,28 @@ import (
 )
 
 type appConfigurationGenerator struct {
-	project      string
-	stack        string
+	project      *v1.Project
+	stack        *v1.Stack
 	appName      string
 	app          *v1.AppConfiguration
 	ws           *v1.Workspace
 	dependencies *pkg.Dependencies
 }
 
 func NewAppConfigurationGenerator(
-	project string,
-	stack string,
+	project *v1.Project,
+	stack *v1.Stack,
 	appName string,
 	app *v1.AppConfiguration,
 	ws *v1.Workspace,
 	dependencies *pkg.Dependencies,
 ) (modules.Generator, error) {
-	if len(project) == 0 {
-		return nil, fmt.Errorf("project name must not be empty")
+	if project == nil {
+		return nil, fmt.Errorf("project must not be nil")
 	}
 
-	if len(stack) == 0 {
-		return nil, fmt.Errorf("stack name must not be empty")
+	if stack == nil {
+		return nil, fmt.Errorf("stack must not be nil")
 	}
 
 	if len(appName) == 0 {
@@ -61,7 +75,7 @@ func NewAppConfigurationGenerator(
 	}
 
 	if err := workspace.ValidateWorkspace(ws); err != nil {
-		return nil, fmt.Errorf("invalid config of workspace %s, %w", stack, err)
+		return nil, fmt.Errorf("invalid config of workspace %s, %w", ws.Name, err)
 	}
 
 	return &appConfigurationGenerator{
@@ -75,8 +89,8 @@ func NewAppConfigurationGenerator(
 }
 
 func NewAppConfigurationGeneratorFunc(
-	project string,
-	stack string,
+	project *v1.Project,
+	stack *v1.Stack,
 	appName string,
 	app *v1.AppConfiguration,
 	ws *v1.Workspace,
@@ -94,20 +108,18 @@ func (g *appConfigurationGenerator) Generate(spec *v1.Spec) error {
 	g.app.Name = g.appName
 
 	// retrieve the module configs of the specified project
-	projectModuleConfigs, err := workspace.GetProjectModuleConfigs(g.ws.Modules, g.project)
+	projectModuleConfigs, err := workspace.GetProjectModuleConfigs(g.ws.Modules, g.project.Name)
 	if err != nil {
 		return err
 	}
 
-	// todo: is namespace a module? how to retrieve it? Currently, it is configured in the workspace file.
-	namespace := g.getNamespaceName(projectModuleConfigs)
-
 	// generate built-in resources
+	namespace := g.getNamespaceName()
 	gfs := []modules.NewGeneratorFunc{
 		NewNamespaceGeneratorFunc(namespace),
 		workload.NewWorkloadGeneratorFunc(&workload.Generator{
-			Project:         g.project,
-			Stack:           g.stack,
+			Project:         g.project.Name,
+			Stack:           g.stack.Name,
 			App:             g.appName,
 			Namespace:       namespace,
 			Workload:        g.app.Workload,
@@ -489,8 +501,8 @@ func (g *appConfigurationGenerator) initModuleRequest(config moduleConfig) (*pro
 	}
 
 	protoRequest := &proto.GeneratorRequest{
-		Project:        g.project,
-		Stack:          g.stack,
+		Project:        g.project.Name,
+		Stack:          g.stack.Name,
 		App:            g.appName,
 		Workload:       workloadConfig,
 		DevConfig:      devConfig,
@@ -503,21 +515,38 @@ func (g *appConfigurationGenerator) initModuleRequest(config moduleConfig) (*pro
 // getNamespaceName obtains the final namespace name using the following precedence
 // (from lower to higher):
 // - Project name
-// - Namespace module config (specified in corresponding workspace file)
-func (g *appConfigurationGenerator) getNamespaceName(moduleConfigs map[string]v1.GenericConfig) string {
-	if moduleConfigs == nil {
-		return g.project
-	}
-
-	namespaceName := g.project
-	namespaceModuleConfigs, exist := moduleConfigs["namespace"]
-	if exist {
-		if name, ok := namespaceModuleConfigs["name"]; ok {
-			customNamespaceName, isString := name.(string)
-			if isString && len(customNamespaceName) > 0 {
-				namespaceName = customNamespaceName
+// - KubernetesNamespace extensions (specified in corresponding workspace file)
+func (g *appConfigurationGenerator) getNamespaceName() string {
+	extensions := mergeExtensions(g.project, g.stack)
+	if len(extensions) != 0 {
+		for _, extension := range extensions {
+			switch extension.Kind {
+			case v1.KubernetesNamespace:
+				return extension.KubeNamespace.Namespace
+			default:
+				// do nothing
+			}
+		}
+	}
+
+	return g.project.Name
+}
+
+func mergeExtensions(project *v1.Project, stack *v1.Stack) []*v1.Extension {
+	var extensions []*v1.Extension
+	extensionKindMap := make(map[string]struct{})
+	if stack.Extensions != nil && len(stack.Extensions) != 0 {
+		for _, extension := range stack.Extensions {
+			extensions = append(extensions, extension)
+			extensionKindMap[string(extension.Kind)] = struct{}{}
+		}
+	}
+	if project.Extensions != nil && len(project.Extensions) != 0 {
+		for _, extension := range project.Extensions {
+			if _, exist := extensionKindMap[string(extension.Kind)]; !exist {
+				extensions = append(extensions, extension)
 			}
 		}
 	}
-	return namespaceName
+	return extensions
 }