upgrade to istio 1.19 (#1211)

Co-authored-by: CH3CHO <ch3cho@qq.com>
Co-authored-by: rinfx <893383980@qq.com>

hgctl/pkg/installer/installer.go

@@ -0,0 +1,138 @@
+// Copyright (c) 2022 Alibaba Group Holding Ltd.
+//
+// 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 installer
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"runtime"
+
+	"github.com/alibaba/higress/hgctl/pkg/helm"
+	"github.com/alibaba/higress/hgctl/pkg/kubernetes"
+	"github.com/alibaba/higress/pkg/cmd/options"
+	"k8s.io/client-go/util/homedir"
+)
+
+type InstallerMode int32
+
+const (
+	HgctlHomeDirPath           = ".hgctl"
+	StandaloneInstalledPath    = "higress-standalone"
+	ProfileInstalledPath       = "profiles"
+	InstalledYamlFileName      = "install.yaml"
+	DefaultGatewayAPINamespace = "gateway-system"
+	DefaultIstioNamespace      = "istio-system"
+)
+
+const (
+	InstallInstallerMode InstallerMode = iota
+	UpgradeInstallerMode
+	UninstallInstallerMode
+)
+
+type Installer interface {
+	Install() error
+	UnInstall() error
+	Upgrade() error
+}
+
+func NewInstaller(profile *helm.Profile, writer io.Writer, quiet bool, devel bool, installerMode InstallerMode) (Installer, error) {
+	switch profile.Global.Install {
+	case helm.InstallK8s, helm.InstallLocalK8s:
+		cliClient, err := kubernetes.NewCLIClient(options.DefaultConfigFlags.ToRawKubeConfigLoader())
+		if err != nil {
+			return nil, fmt.Errorf("failed to build kubernetes client: %w", err)
+		}
+		installer, err := NewK8sInstaller(profile, cliClient, writer, quiet, devel, installerMode)
+		return installer, err
+	case helm.InstallLocalDocker:
+		installer, err := NewDockerInstaller(profile, writer, quiet)
+		return installer, err
+	default:
+		return nil, errors.New("install is not supported")
+	}
+}
+
+func GetHomeDir() (string, error) {
+	home := homedir.HomeDir()
+	if home == "" {
+		return "", fmt.Errorf("No user home environment variable found for OS %s", runtime.GOOS)
+	}
+
+	return home, nil
+}
+
+func GetHgctlPath() (string, error) {
+	home, err := GetHomeDir()
+	if err != nil {
+		return "", err
+	}
+
+	hgctlPath := filepath.Join(home, HgctlHomeDirPath)
+	if _, err := os.Stat(hgctlPath); os.IsNotExist(err) {
+		if err = os.MkdirAll(hgctlPath, os.ModePerm); err != nil {
+			return "", err
+		}
+	}
+
+	return hgctlPath, nil
+}
+
+func GetDefaultInstallPackagePath() (string, error) {
+	dir, err := os.Getwd()
+	if err != nil {
+		return "", err
+	}
+
+	path := filepath.Join(dir, StandaloneInstalledPath)
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		if err = os.MkdirAll(path, os.ModePerm); err != nil {
+			return "", err
+		}
+	}
+
+	return path, err
+}
+
+func GetProfileInstalledPath() (string, error) {
+	hgctlPath, err := GetHgctlPath()
+	if err != nil {
+		return "", err
+	}
+
+	profilesPath := filepath.Join(hgctlPath, ProfileInstalledPath)
+	if _, err := os.Stat(profilesPath); os.IsNotExist(err) {
+		if err = os.MkdirAll(profilesPath, os.ModePerm); err != nil {
+			return "", err
+		}
+	}
+
+	return profilesPath, nil
+}
+
+func GetInstalledYamlPath() (string, bool) {
+	profileInstalledPath, err := GetProfileInstalledPath()
+	if err != nil {
+		return "", false
+	}
+	installedYamlFile := filepath.Join(profileInstalledPath, InstalledYamlFileName)
+	if _, err := os.Stat(installedYamlFile); os.IsNotExist(err) {
+		return installedYamlFile, false
+	}
+	return installedYamlFile, true
+}