Files
higress/hgctl/pkg/installer/standalone_agent.go
澄潭 f7a419770d upgrade to istio 1.19 (#1211)
Co-authored-by: CH3CHO <ch3cho@qq.com>
Co-authored-by: rinfx <893383980@qq.com>
2024-08-26 09:51:47 +08:00

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// 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 (
"bytes"
"errors"
"fmt"
"io"
"os"
"os/exec"
"path/filepath"
"strings"
"time"
"github.com/alibaba/higress/hgctl/pkg/helm"
)
type RunSudoState string
const (
NoSudo RunSudoState = "NoSudo"
SudoWithoutPassword RunSudoState = "SudoWithoutPassword"
SudoWithPassword RunSudoState = "SudoWithPassword"
)
type Agent struct {
profile *helm.Profile
writer io.Writer
shutdownBinaryName string
resetBinaryName string
startupBinaryName string
installBinaryName string
installPath string
configuredPath string
higressPath string
versionPath string
quiet bool
runSudoState RunSudoState
}
func NewAgent(profile *helm.Profile, writer io.Writer, quiet bool) *Agent {
installPath := profile.InstallPackagePath
return &Agent{
profile: profile,
writer: writer,
installPath: installPath,
higressPath: filepath.Join(installPath, "higress"),
installBinaryName: filepath.Join(installPath, "get-higress.sh"),
shutdownBinaryName: filepath.Join(installPath, "higress", "bin", "shutdown.sh"),
resetBinaryName: filepath.Join(installPath, "higress", "bin", "reset.sh"),
startupBinaryName: filepath.Join(installPath, "higress", "bin", "startup.sh"),
configuredPath: filepath.Join(installPath, "higress", "compose", ".configured"),
versionPath: filepath.Join(installPath, "higress", "VERSION"),
quiet: quiet,
runSudoState: NoSudo,
}
}
func (a *Agent) profileArgs() []string {
args := []string{
fmt.Sprintf("--nacos-ns=%s", a.profile.Storage.Ns),
fmt.Sprintf("--config-url=%s", a.profile.Storage.Url),
fmt.Sprintf("--nacos-ns=%s", a.profile.Storage.Ns),
fmt.Sprintf("--nacos-password=%s", a.profile.Storage.Password),
fmt.Sprintf("--nacos-username=%s", a.profile.Storage.Username),
fmt.Sprintf("--data-enc-key=%s", a.profile.Storage.DataEncKey),
fmt.Sprintf("--console-port=%d", a.profile.Console.Port),
fmt.Sprintf("--gateway-http-port=%d", a.profile.Gateway.HttpPort),
fmt.Sprintf("--gateway-https-port=%d", a.profile.Gateway.HttpsPort),
fmt.Sprintf("--gateway-metrics-port=%d", a.profile.Gateway.MetricsPort),
}
return args
}
func (a *Agent) run(binaryName string, args []string, autoSudo bool) error {
var cmd *exec.Cmd
if !autoSudo || a.runSudoState == NoSudo {
if !a.quiet {
fmt.Fprintf(a.writer, "\n📦 Running command: %s %s\n\n", binaryName, strings.Join(args, " "))
}
cmd = exec.Command(binaryName, args...)
} else {
newArgs := make([]string, 0)
newArgs = append(newArgs, binaryName)
newArgs = append(newArgs, args...)
if !a.quiet {
fmt.Fprintf(a.writer, "\n📦 Running command: %s %s\n\n", "sudo", strings.Join(newArgs, " "))
}
cmd = exec.Command("sudo", newArgs...)
}
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Dir = a.installPath
if err := cmd.Start(); err != nil {
return err
}
done := make(chan error, 1)
go func() {
done <- cmd.Wait()
}()
select {
case err := <-done:
return err
}
return nil
}
func (a *Agent) checkSudoPermission() error {
if !a.quiet {
fmt.Fprintf(a.writer, "\n⌛ Checking docker command sudo permission... ")
}
// check docker ps command
cmd := exec.Command("docker", "ps")
var out bytes.Buffer
var stderr bytes.Buffer
cmd.Stdout = &out
cmd.Stderr = &stderr
cmd.Dir = a.installPath
if err := cmd.Start(); err != nil {
return err
}
done := make(chan error, 1)
go func() {
done <- cmd.Wait()
}()
select {
case err := <-done:
if err == nil {
if !a.quiet {
fmt.Fprintf(a.writer, "checked result: no need sudo permission\n")
}
a.runSudoState = NoSudo
return nil
}
}
// check sudo docker ps command
cmd2 := exec.Command("sudo", "-S", "docker", "ps")
var out2 bytes.Buffer
var stderr2 bytes.Buffer
cmd2.Stdout = &out2
cmd2.Stderr = &stderr2
cmd2.Dir = a.installPath
stdin, _ := cmd2.StdinPipe()
defer stdin.Close()
if err := cmd2.Start(); err != nil {
return err
}
done2 := make(chan error, 1)
go func() {
done2 <- cmd2.Wait()
}()
select {
case <-time.After(5 * time.Second):
cmd2.Process.Signal(os.Interrupt)
if !a.quiet {
fmt.Fprintf(a.writer, "checked result: timeout exceed and need sudo with password\n")
}
a.runSudoState = SudoWithPassword
case err := <-done2:
if err == nil {
if !a.quiet {
fmt.Fprintf(a.writer, "checked result: need sudo without password\n")
}
a.runSudoState = SudoWithoutPassword
} else {
if !a.quiet {
fmt.Fprintf(a.writer, "checked result: need sudo with password\n")
}
a.runSudoState = SudoWithPassword
}
}
return nil
}
func (a *Agent) Install() error {
a.checkSudoPermission()
if a.runSudoState == SudoWithPassword {
if !a.promptSudo() {
return errors.New("cancel installation")
}
}
if a.hasConfigured() {
a.Reset()
}
if !a.quiet {
fmt.Fprintf(a.writer, "\n⌛ Starting to install higress.. \n")
}
args := []string{"./higress"}
args = append(args, a.profileArgs()...)
return a.run(a.installBinaryName, args, true)
return nil
}
func (a *Agent) Uninstall() error {
a.checkSudoPermission()
if a.runSudoState == SudoWithPassword {
if !a.promptSudo() {
return errors.New("cancel uninstall")
}
}
if !a.quiet {
fmt.Fprintf(a.writer, "\n⌛ Starting to uninstall higress... \n")
}
if err := a.Reset(); err != nil {
return err
}
return nil
}
func (a *Agent) Upgrade() error {
a.checkSudoPermission()
if a.runSudoState == SudoWithPassword {
if !a.promptSudo() {
return errors.New("cancel upgrade")
}
}
currentVersion := ""
newVersion := ""
if !a.quiet {
fmt.Fprintf(a.writer, "\n⌛ Checking current higress version... ")
currentVersion, _ = a.Version()
fmt.Fprintf(a.writer, "%s\n", currentVersion)
}
if !a.quiet {
fmt.Fprintf(a.writer, "\n⌛ Starting to upgrade higress... \n")
}
if err := a.run(a.installBinaryName, []string{"-u"}, true); err != nil {
return err
}
if !a.quiet {
fmt.Fprintf(a.writer, "\n⌛ Checking new higress version... ")
newVersion, _ = a.Version()
fmt.Fprintf(a.writer, "%s\n", newVersion)
}
if currentVersion == newVersion {
return nil
}
if !a.promptRestart() {
return nil
}
if err := a.Shutdown(); err != nil {
return err
}
if err := a.Startup(); err != nil {
return err
}
return nil
}
func (a *Agent) Version() (string, error) {
version := ""
content, err := os.ReadFile(a.versionPath)
if err != nil {
return version, nil
}
return string(content), nil
}
func (a *Agent) promptSudo() bool {
answer := ""
for {
fmt.Fprintf(a.writer, "\nThis need sudo permission and input root password to continue installation, Proceed? (y/N)")
fmt.Scanln(&answer)
if strings.TrimSpace(answer) == "y" {
fmt.Fprintf(a.writer, "\n")
return true
}
if strings.TrimSpace(answer) == "N" {
fmt.Fprintf(a.writer, "Cancelled.\n")
return false
}
}
}
func (a *Agent) promptRestart() bool {
answer := ""
for {
fmt.Fprintf(a.writer, "\nThis need to restart higress, Proceed? (y/N)")
fmt.Scanln(&answer)
if strings.TrimSpace(answer) == "y" {
fmt.Fprintf(a.writer, "\n")
return true
}
if strings.TrimSpace(answer) == "N" {
fmt.Fprintf(a.writer, "Cancelled.\n")
return false
}
}
}
func (a *Agent) Startup() error {
if !a.quiet {
fmt.Fprintf(a.writer, "\n⌛ Starting higress... \n")
}
return a.run(a.startupBinaryName, []string{}, true)
}
func (a *Agent) Shutdown() error {
if !a.quiet {
fmt.Fprintf(a.writer, "\n⌛ Shutdowning higress... \n")
}
return a.run(a.shutdownBinaryName, []string{}, true)
}
func (a *Agent) Reset() error {
if !a.quiet {
fmt.Fprintf(a.writer, "\n⌛ Resetting higress....\n")
}
return a.run(a.resetBinaryName, []string{}, true)
}
func (a *Agent) hasConfigured() bool {
if _, err := os.Stat(a.configuredPath); os.IsNotExist(err) {
return false
}
return true
}