implement providerConfig parsing

cmd/gardener-extension-shoot-kubecost/app/app.go

@@ -11,6 +11,8 @@ import (
 	extensionscontroller "github.com/gardener/gardener/extensions/pkg/controller"
 	"github.com/gardener/gardener/extensions/pkg/util"
 	"github.com/gardener/gardener/pkg/logger"
+	apisconfig "github.com/liquid-reply/gardener-extension-shoot-kubecost/pkg/apis/config"
+	"github.com/liquid-reply/gardener-extension-shoot-kubecost/pkg/apis/config/v1alpha1"
 	"github.com/liquid-reply/gardener-extension-shoot-kubecost/pkg/controller/lifecycle"
 
 	"github.com/spf13/cobra"
@@ -82,6 +84,14 @@ func (o *Options) run(ctx context.Context) error {
 		return fmt.Errorf("could not update manager scheme: %s", err)
 	}
 
+	if err := apisconfig.AddToScheme(mgr.GetScheme()); err != nil {
+		return fmt.Errorf("could not update manager scheme: %s", err)
+	}
+
+	if err := v1alpha1.AddToScheme(mgr.GetScheme()); err != nil {
+		return fmt.Errorf("could not update manager scheme: %s", err)
+	}
+
 	o.controllerOptions.Completed().Apply(&lifecycle.DefaultAddOptions.ControllerOptions)
 	o.lifecycleOptions.Completed().Apply(&lifecycle.DefaultAddOptions.ControllerOptions)
 

go.mod

@@ -7,6 +7,7 @@ replace k8s.io/code-generator => k8s.io/code-generator v0.29.9
 require (
 	carvel.dev/ytt v0.50.0
 	github.com/ahmetb/gen-crd-api-reference-docs v0.3.0
+	github.com/andybalholm/brotli v1.1.0
 	github.com/gardener/gardener v1.104.0
 	github.com/go-logr/logr v1.4.2
 	github.com/spf13/cobra v1.8.1
@@ -24,7 +25,6 @@ require (
 	github.com/Masterminds/goutils v1.1.1 // indirect
 	github.com/Masterminds/semver/v3 v3.3.0 // indirect
 	github.com/Masterminds/sprig/v3 v3.3.0 // indirect
-	github.com/andybalholm/brotli v1.1.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/cyphar/filepath-securejoin v0.2.4 // indirect

hack/boilerplate.go.txt

@@ -0,0 +1 @@
+// bla

hack/update-codegen.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+# Copyright 2017 The Kubernetes 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.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+SCRIPT_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
+CODEGEN_PKG=${CODEGEN_PKG:-$(cd "${SCRIPT_ROOT}"; ls -d -1 ./vendor/k8s.io/code-generator 2>/dev/null || echo ../code-generator)}
+
+bash "${CODEGEN_PKG}/generate-internal-groups.sh" \
+  deepcopy,defaulter,conversion \
+  github.com/liquid-reply/gardener-extension-shoot-kubecost/pkg/apis \
+  github.com/liquid-reply/gardener-extension-shoot-kubecost/pkg/apis \
+  github.com/liquid-reply/gardener-extension-shoot-kubecost/pkg/apis \
+  "config:v1alpha1" \
+  --go-header-file "${SCRIPT_ROOT}/hack/boilerplate.go.txt" \
+  --output-base "$HOME/Projects"

kubecost/kubecost.go

@@ -10,6 +10,8 @@ import (
 	yttui "carvel.dev/ytt/pkg/cmd/ui"
 	yttfiles "carvel.dev/ytt/pkg/files"
 	"github.com/andybalholm/brotli"
+
+	api "github.com/liquid-reply/gardener-extension-shoot-kubecost/pkg/apis/config"
 )
 
 //go:embed kubecost.yaml
@@ -55,15 +57,15 @@ data:
 `, token)
 }
 
-func Render(config KubeCostConfig, compress bool) ([]byte, error) {
+func Render(config *api.Configuration, compress bool) ([]byte, error) {
 	opts := yttcmd.NewOptions()
 	noopUI := yttui.NewCustomWriterTTY(false, os.Stderr, os.Stderr)
 
 	var files []*yttfiles.File
 	files = append(files, templateAsFile("manifest.yaml", manifest))
 	files = append(files, templateAsFile("grafana.yaml", grafanaOverlay))
 	files = append(files, templateAsFile("pvc.yaml", pvcOverlay))
-	files = append(files, templateAsFile("api-key.yaml", kubeCostTokenOverlay(config.ApiKey)))
+	files = append(files, templateAsFile("api-key.yaml", kubeCostTokenOverlay(config.ApiToken)))
 	files = append(files, templateAsFile("labels.yaml", labelsOverlay))
 	inputs := yttcmd.Input{Files: yttfiles.NewSortedFiles(files)}
 

pkg/apis/config/doc.go

@@ -0,0 +1,8 @@
+// SPDX-FileCopyrightText: 2023 SAP SE or an SAP affiliate company and Gardener contributors
+//
+// SPDX-License-Identifier: Apache-2.0
+
+// +k8s:deepcopy-gen=package
+// +groupName=kubecost.extensions.config.gardener.cloud
+
+package config

pkg/apis/config/register.go

@@ -0,0 +1,41 @@
+// SPDX-FileCopyrightText: 2023 SAP SE or an SAP affiliate company and Gardener contributors
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package config
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+// GroupName is the group name use in this package
+const GroupName = "kubecost.extensions.config.gardener.cloud"
+
+// SchemeGroupVersion is group version used to register these objects
+var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: runtime.APIVersionInternal}
+
+// Kind takes an unqualified kind and returns a Group qualified GroupKind
+func Kind(kind string) schema.GroupKind {
+	return SchemeGroupVersion.WithKind(kind).GroupKind()
+}
+
+// Resource takes an unqualified resource and returns a Group qualified GroupResource
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}
+
+var (
+	// SchemeBuilder used to register the Shoot resource.
+	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
+	// AddToScheme is a pointer to SchemeBuilder.AddToScheme.
+	AddToScheme = SchemeBuilder.AddToScheme
+)
+
+// Adds the list of known types to api.Scheme.
+func addKnownTypes(scheme *runtime.Scheme) error {
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&Configuration{},
+	)
+	return nil
+}

pkg/apis/config/types.go

@@ -0,0 +1,14 @@
+package config
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// Configuration contains information about the rsyslog relp extension configuration.
+type Configuration struct {
+	metav1.TypeMeta
+
+	ApiToken string
+}

pkg/apis/config/v1alpha1/defaults.go

@@ -0,0 +1,13 @@
+// SPDX-FileCopyrightText: 2023 SAP SE or an SAP affiliate company and Gardener contributors
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package v1alpha1
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+)
+
+func addDefaultingFuncs(scheme *runtime.Scheme) error {
+	return RegisterDefaults(scheme)
+}

pkg/apis/config/v1alpha1/doc.go

@@ -0,0 +1,14 @@
+// SPDX-FileCopyrightText: 2023 SAP SE or an SAP affiliate company and Gardener contributors
+//
+// SPDX-License-Identifier: Apache-2.0
+
+// +k8s:deepcopy-gen=package
+// +k8s:conversion-gen=github.com/liquid-reply/gardener-extension-shoot-kubecost/pkg/apis/config
+// +k8s:defaulter-gen=TypeMeta
+// +k8s:openapi-gen=true
+
+//go:generate gen-crd-api-reference-docs -api-dir . -config ../../../../hack/api-reference/config.json -template-dir "$GARDENER_HACK_DIR/api-reference/template" -out-file ../../../../hack/api-reference/config.md
+
+// Package v1alpha1 contains the rsyslog relps extension configuration.
+// +groupName=kubecost.extensions.config.gardener.cloud
+package v1alpha1

pkg/apis/config/v1alpha1/register.go

@@ -0,0 +1,48 @@
+// SPDX-FileCopyrightText: 2023 SAP SE or an SAP affiliate company and Gardener contributors
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package v1alpha1
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+// GroupName is the group name use in this package
+const GroupName = "kubecost.extensions.config.gardener.cloud"
+
+// SchemeGroupVersion is group version used to register these objects
+var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: "v1alpha1"}
+
+// Resource takes an unqualified resource and returns a Group qualified GroupResource
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}
+
+// Kind takes an unqualified kind and returns a Group qualified GroupKind
+func Kind(kind string) schema.GroupKind {
+	return SchemeGroupVersion.WithKind(kind).GroupKind()
+}
+
+var (
+	// SchemeBuilder used to register the Configuration resource.
+	localSchemeBuilder = runtime.NewSchemeBuilder(addDefaultingFuncs, addKnownTypes)
+	// AddToScheme is a pointer to SchemeBuilder.AddToScheme.
+	AddToScheme = localSchemeBuilder.AddToScheme
+)
+
+func init() {
+	// We only register manually written functions here. The registration of the
+	// generated functions takes place in the generated files. The separation
+	// makes the code compile even when the generated files are missing.
+	// localSchemeBuilder.Register(addDefaultingFuncs)
+}
+
+// Adds the list of known types to api.Scheme.
+func addKnownTypes(scheme *runtime.Scheme) error {
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&Configuration{},
+	)
+	return nil
+}

pkg/apis/config/v1alpha1/types_kubecost.go

@@ -0,0 +1,19 @@
+// SPDX-FileCopyrightText: 2023 SAP SE or an SAP affiliate company and Gardener contributors
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// +genclient
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// Configuration contains information about the rsyslog relp extension configuration.
+type Configuration struct {
+	metav1.TypeMeta `json:",inline"`
+
+	ApiToken string `json:"apiToken"`
+}