[d8] Add d8 edit options cluster\static\provider configurations

cmd/platform.go

@@ -0,0 +1,25 @@
+/*
+Copyright 2024 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 cmd
+
+import (
+	platform "github.com/deckhouse/deckhouse-cli/internal/platform/cmd"
+)
+
+func init() {
+	rootCmd.AddCommand(platform.NewCommand())
+}

internal/backup/cmd/cluster-config/cluster_config.go

@@ -27,7 +27,7 @@ import (
 	"github.com/deckhouse/deckhouse-cli/internal/backup/configs/storageclasses"
 	"github.com/deckhouse/deckhouse-cli/internal/backup/configs/tarball"
 	"github.com/deckhouse/deckhouse-cli/internal/backup/configs/whitelist"
-	"github.com/deckhouse/deckhouse-cli/internal/backup/utilk8s"
+	"github.com/deckhouse/deckhouse-cli/internal/utilk8s"
 )
 
 var clusterConfigLong = templates.LongDesc(`

internal/backup/cmd/etcd/etcd.go

@@ -37,7 +37,7 @@ import (
 	"k8s.io/client-go/tools/remotecommand"
 	"k8s.io/kubectl/pkg/util/templates"
 
-	"github.com/deckhouse/deckhouse-cli/internal/backup/utilk8s"
+	"github.com/deckhouse/deckhouse-cli/internal/utilk8s"
 )
 
 var etcdLong = templates.LongDesc(`

internal/platform/cmd/edit/cluster-configuration/cluster-configuration.go

@@ -0,0 +1,53 @@
+/*
+Copyright 2024 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 cluster_config
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"k8s.io/kubectl/pkg/util/templates"
+
+	"github.com/deckhouse/deckhouse-cli/internal/platform/cmd/edit/editconfig"
+	"github.com/deckhouse/deckhouse-cli/internal/platform/cmd/edit/flags"
+)
+
+var clusterConfigurationLong = templates.LongDesc(`
+Edit cluster-configuration in Kubernetes cluster.
+
+© Flant JSC 2024`)
+
+func NewCommand() *cobra.Command {
+	clusterConfigurationCmd := &cobra.Command{
+		Use:           "cluster-configuration",
+		Short:         "Edit cluster-configuration.",
+		Long:          clusterConfigurationLong,
+		SilenceErrors: true,
+		SilenceUsage:  true,
+		RunE:          editClusterConfig,
+	}
+	flags.AddFlags(clusterConfigurationCmd.Flags())
+	return clusterConfigurationCmd
+}
+
+func editClusterConfig(cmd *cobra.Command, _ []string) error {
+	err := edit.BaseEditConfigCMD(cmd, "cluster-configuration", "d8-cluster-configuration", "cluster-configuration.yaml")
+	if err != nil {
+		return fmt.Errorf("Error updating secret: %w", err)
+	}
+	return err
+}

internal/platform/cmd/edit/edit.go

@@ -0,0 +1,49 @@
+/*
+Copyright 2024 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 edit
+
+import (
+	"github.com/spf13/cobra"
+	"k8s.io/kubectl/pkg/util/templates"
+
+	"github.com/deckhouse/deckhouse-cli/internal/platform/cmd/edit/flags"
+	cluster_config "github.com/deckhouse/deckhouse-cli/internal/platform/cmd/edit/cluster-configuration"
+	provider_config "github.com/deckhouse/deckhouse-cli/internal/platform/cmd/edit/provider-cluster-configuration"
+	static_config "github.com/deckhouse/deckhouse-cli/internal/platform/cmd/edit/static-cluster-configuration"
+)
+
+var editLong = templates.LongDesc(`
+Change configuration files in Kubernetes cluster conveniently and safely.
+
+© Flant JSC 2024`)
+
+func NewCommand() *cobra.Command {
+	editCmd := &cobra.Command{
+		Use: "edit", Short: "Edit configuration files",
+		Long:    editLong,
+	}
+
+	editCmd.AddCommand(
+		cluster_config.NewCommand(),
+		static_config.NewCommand(),
+		provider_config.NewCommand(),
+	)
+
+	flags.AddFlags(editCmd.Flags())
+
+	return editCmd
+}

internal/platform/cmd/edit/editconfig/editconfig.go

@@ -0,0 +1,127 @@
+package edit
+
+import (
+	"context"
+	"crypto/sha256"
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+	"os"
+	"os/exec"
+
+	"github.com/spf13/cobra"
+	v1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/types"
+
+	"github.com/deckhouse/deckhouse-cli/internal/utilk8s"
+)
+
+func BaseEditConfigCMD(cmd *cobra.Command, name, secret, dataKey string) error {
+	editor, err := cmd.Flags().GetString("editor")
+	if err != nil {
+		return fmt.Errorf("Failed to get editor from --editor flag: %w", err)
+	}
+
+	kubeconfigPath, err := cmd.Flags().GetString("kubeconfig")
+	if err != nil {
+		return fmt.Errorf("Failed to setup Kubernetes client: %w", err)
+	}
+
+	_, kubeCl, err := utilk8s.SetupK8sClientSet(kubeconfigPath)
+	if err != nil {
+		return fmt.Errorf("Failed to setup Kubernetes client: %w", err)
+	}
+
+	secretConfig, err := kubeCl.CoreV1().
+		Secrets("kube-system").
+		Get(context.Background(), secret, metav1.GetOptions{})
+	if err != nil {
+		return fmt.Errorf("Error fetching secret: %w", err)
+	}
+
+	tempFile, err := writeSecretTmp(secretConfig, dataKey)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		_ = tempFile.Close()
+		_ = os.Remove(tempFile.Name())
+	}()
+
+	cmdExec := exec.Command(editor, tempFile.Name())
+	cmdExec.Stdin = os.Stdin
+	cmdExec.Stdout = os.Stdout
+	cmdExec.Stderr = os.Stderr
+	err = cmdExec.Run()
+	if err != nil {
+		return fmt.Errorf("Error opening in editor: %w", err)
+	}
+
+	updatedContent, contentNotChanged, err := compareEditedSecret(tempFile, secretConfig, dataKey)
+	if err != nil {
+		return fmt.Errorf("Cannot open edited temp file: %w", err)
+	}
+
+	if contentNotChanged {
+		return nil
+	}
+
+	encodedValue, err := encodeSecretTmp(updatedContent, dataKey)
+	_, err = kubeCl.CoreV1().
+		Secrets("kube-system").
+		Patch(context.TODO(), secret, types.MergePatchType, encodedValue, metav1.PatchOptions{})
+	if err != nil {
+		return fmt.Errorf("Error updating secret: %w", err)
+	}
+
+	fmt.Println("Secret updated successfully")
+	return err
+}
+
+func writeSecretTmp(secretConfig *v1.Secret, dataKey string) (*os.File, error) {
+	tempFile, err := os.CreateTemp(os.TempDir(), "secret.*.yaml")
+	if err != nil {
+		return nil, fmt.Errorf("Can't save cluster configuration: %w\n", err)
+	}
+
+	_, err = tempFile.Write(secretConfig.Data[dataKey])
+	if err != nil {
+		return nil, fmt.Errorf("Error writing decoded data to file: %w", err)
+	}
+	if err = tempFile.Sync(); err != nil {
+		return nil, fmt.Errorf("Sync temp file buffers to disk: %w", err)
+	}
+
+	return tempFile, nil
+}
+
+func compareEditedSecret(tempFile *os.File, secretConfig *v1.Secret, dataKey string) ([]byte, bool, error) {
+	updatedContent, err := os.ReadFile(tempFile.Name())
+	if err != nil {
+		return nil, false, fmt.Errorf("Error reading updated file: %w", err)
+	}
+
+	if sha256.Sum256(secretConfig.Data[dataKey]) == sha256.Sum256(updatedContent) {
+		fmt.Println("Configurations are equal. Nothing to update.")
+		return nil, true, nil
+	}
+
+	return updatedContent, false, nil
+}
+
+func encodeSecretTmp(updatedContent []byte, dataKey string) ([]byte, error) {
+	encodedValue := base64.StdEncoding.EncodeToString(updatedContent)
+	patchData := map[string]interface{}{
+		"data": map[string]interface{}{
+			dataKey: encodedValue,
+		},
+	}
+
+	patchBytes, err := json.Marshal(patchData)
+	if err != nil {
+		return nil, fmt.Errorf("Error convert to json updated data: %w", err)
+	}
+
+	return patchBytes, nil
+}

internal/platform/cmd/edit/flags/flags.go

@@ -0,0 +1,29 @@
+/*
+Copyright 2024 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 flags
+
+import (
+	"github.com/spf13/pflag"
+)
+
+func AddFlags(flagSet *pflag.FlagSet) {
+	flagSet.StringP(
+		"editor", "e",
+		"vi",
+		"Your favourite editor.",
+	)
+}

internal/platform/cmd/edit/provider-cluster-configuration/provider-cluster-configuration.go

@@ -0,0 +1,53 @@
+/*
+Copyright 2024 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 provider_config
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"k8s.io/kubectl/pkg/util/templates"
+
+	"github.com/deckhouse/deckhouse-cli/internal/platform/cmd/edit/editconfig"
+	"github.com/deckhouse/deckhouse-cli/internal/platform/cmd/edit/flags"
+)
+
+var providerClusterConfigurationLong = templates.LongDesc(`
+Edit provider-cluster-configuration in Kubernetes cluster.
+
+© Flant JSC 2024`)
+
+func NewCommand() *cobra.Command {
+	providerClusterConfigurationCmd := &cobra.Command{
+		Use:           "provider-cluster-configuration",
+		Short:         "Edit provider-cluster-configuration.",
+		Long:          providerClusterConfigurationLong,
+		SilenceErrors: true,
+		SilenceUsage:  true,
+		RunE:          editProviderClusterConfig,
+	}
+	flags.AddFlags(providerClusterConfigurationCmd.Flags())
+	return providerClusterConfigurationCmd
+}
+
+func editProviderClusterConfig(cmd *cobra.Command, _ []string) error {
+	err := edit.BaseEditConfigCMD(cmd, "provider-cluster-configuration", "d8-provider-cluster-configuration", "provider-cluster-configuration.yaml")
+	if err != nil {
+		return fmt.Errorf("Error updating secret: %w", err)
+	}
+	return err
+}