mirror of
https://github.com/alibaba/higress.git
synced 2026-02-25 05:01:19 +08:00
139 lines
3.5 KiB
Go
139 lines
3.5 KiB
Go
// Copyright (c) 2022 Alibaba Group Holding Ltd.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package installer
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import (
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"errors"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"runtime"
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"github.com/alibaba/higress/hgctl/pkg/helm"
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"github.com/alibaba/higress/hgctl/pkg/kubernetes"
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"github.com/alibaba/higress/pkg/cmd/options"
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"k8s.io/client-go/util/homedir"
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)
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type InstallerMode int32
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const (
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HgctlHomeDirPath = ".hgctl"
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StandaloneInstalledPath = "higress-standalone"
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ProfileInstalledPath = "profiles"
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InstalledYamlFileName = "install.yaml"
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DefaultGatewayAPINamespace = "gateway-system"
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DefaultIstioNamespace = "istio-system"
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)
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const (
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InstallInstallerMode InstallerMode = iota
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UpgradeInstallerMode
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UninstallInstallerMode
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)
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type Installer interface {
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Install() error
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UnInstall() error
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Upgrade() error
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}
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func NewInstaller(profile *helm.Profile, writer io.Writer, quiet bool, devel bool, installerMode InstallerMode) (Installer, error) {
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switch profile.Global.Install {
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case helm.InstallK8s, helm.InstallLocalK8s:
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cliClient, err := kubernetes.NewCLIClient(options.DefaultConfigFlags.ToRawKubeConfigLoader())
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if err != nil {
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return nil, fmt.Errorf("failed to build kubernetes client: %w", err)
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}
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installer, err := NewK8sInstaller(profile, cliClient, writer, quiet, devel, installerMode)
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return installer, err
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case helm.InstallLocalDocker:
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installer, err := NewDockerInstaller(profile, writer, quiet)
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return installer, err
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default:
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return nil, errors.New("install is not supported")
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}
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}
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func GetHomeDir() (string, error) {
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home := homedir.HomeDir()
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if home == "" {
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return "", fmt.Errorf("No user home environment variable found for OS %s", runtime.GOOS)
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}
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return home, nil
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}
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func GetHgctlPath() (string, error) {
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home, err := GetHomeDir()
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if err != nil {
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return "", err
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}
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hgctlPath := filepath.Join(home, HgctlHomeDirPath)
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if _, err := os.Stat(hgctlPath); os.IsNotExist(err) {
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if err = os.MkdirAll(hgctlPath, os.ModePerm); err != nil {
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return "", err
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}
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}
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return hgctlPath, nil
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}
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func GetDefaultInstallPackagePath() (string, error) {
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dir, err := os.Getwd()
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if err != nil {
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return "", err
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}
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path := filepath.Join(dir, StandaloneInstalledPath)
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if _, err := os.Stat(path); os.IsNotExist(err) {
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if err = os.MkdirAll(path, os.ModePerm); err != nil {
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return "", err
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}
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}
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return path, err
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}
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func GetProfileInstalledPath() (string, error) {
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hgctlPath, err := GetHgctlPath()
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if err != nil {
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return "", err
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}
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profilesPath := filepath.Join(hgctlPath, ProfileInstalledPath)
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if _, err := os.Stat(profilesPath); os.IsNotExist(err) {
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if err = os.MkdirAll(profilesPath, os.ModePerm); err != nil {
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return "", err
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}
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}
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return profilesPath, nil
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}
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func GetInstalledYamlPath() (string, bool) {
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profileInstalledPath, err := GetProfileInstalledPath()
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if err != nil {
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return "", false
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}
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installedYamlFile := filepath.Join(profileInstalledPath, InstalledYamlFileName)
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if _, err := os.Stat(installedYamlFile); os.IsNotExist(err) {
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return installedYamlFile, false
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}
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return installedYamlFile, true
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}
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