1Panel/backend/app/service/docker.go

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package service
import (
"bufio"
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"context"
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"encoding/json"
"os"
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"path"
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"strings"
"github.com/1Panel-dev/1Panel/backend/app/dto"
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"github.com/1Panel-dev/1Panel/backend/constant"
"github.com/1Panel-dev/1Panel/backend/utils/cmd"
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"github.com/1Panel-dev/1Panel/backend/utils/docker"
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"github.com/pkg/errors"
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)
type DockerService struct{}
type IDockerService interface {
UpdateConf(req dto.DaemonJsonConf) error
UpdateConfByFile(info dto.DaemonJsonUpdateByFile) error
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LoadDockerStatus() string
LoadDockerConf() *dto.DaemonJsonConf
OperateDocker(req dto.DockerOperation) error
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}
func NewIDockerService() IDockerService {
return &DockerService{}
}
type daemonJsonItem struct {
Status string `json:"status"`
Mirrors []string `json:"registry-mirrors"`
Registries []string `json:"insecure-registries"`
LiveRestore bool `json:"live-restore"`
IPTables bool `json:"iptables"`
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ExecOpts []string `json:"exec-opts"`
}
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func (u *DockerService) LoadDockerStatus() string {
status := constant.StatusRunning
stdout, err := cmd.Exec("systemctl is-active docker")
if string(stdout) != "active\n" || err != nil {
status = constant.Stopped
}
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return status
}
func (u *DockerService) LoadDockerConf() *dto.DaemonJsonConf {
var data dto.DaemonJsonConf
data.IPTables = true
data.Status = constant.StatusRunning
stdout, err := cmd.Exec("systemctl is-active docker")
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if string(stdout) != "active\n" || err != nil {
data.Status = constant.Stopped
}
data.IsSwarm = false
stdout2, _ := cmd.Exec("docker info | grep Swarm")
if string(stdout2) == " Swarm: active\n" {
data.IsSwarm = true
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}
data.Version = "-"
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client, err := docker.NewDockerClient()
if err == nil {
ctx := context.Background()
itemVersion, err := client.ServerVersion(ctx)
if err == nil {
data.Version = itemVersion.Version
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}
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}
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if _, err := os.Stat(constant.DaemonJsonPath); err != nil {
return &data
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}
file, err := os.ReadFile(constant.DaemonJsonPath)
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if err != nil {
return &data
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}
var conf daemonJsonItem
deamonMap := make(map[string]interface{})
if err := json.Unmarshal(file, &deamonMap); err != nil {
return &data
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}
arr, err := json.Marshal(deamonMap)
if err != nil {
return &data
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}
if err := json.Unmarshal(arr, &conf); err != nil {
return &data
}
if _, ok := deamonMap["iptables"]; !ok {
conf.IPTables = true
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}
data.CgroupDriver = "cgroupfs"
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for _, opt := range conf.ExecOpts {
if strings.HasPrefix(opt, "native.cgroupdriver=") {
data.CgroupDriver = strings.ReplaceAll(opt, "native.cgroupdriver=", "")
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break
}
}
data.Mirrors = conf.Mirrors
data.Registries = conf.Registries
data.IPTables = conf.IPTables
data.LiveRestore = conf.LiveRestore
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return &data
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}
func (u *DockerService) UpdateConf(req dto.DaemonJsonConf) error {
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if _, err := os.Stat(constant.DaemonJsonPath); err != nil && os.IsNotExist(err) {
if err = os.MkdirAll(path.Dir(constant.DaemonJsonPath), os.ModePerm); err != nil {
return err
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}
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_, _ = os.Create(constant.DaemonJsonPath)
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}
file, err := os.ReadFile(constant.DaemonJsonPath)
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if err != nil {
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return err
}
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deamonMap := make(map[string]interface{})
_ = json.Unmarshal(file, &deamonMap)
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if len(req.Registries) == 0 {
delete(deamonMap, "insecure-registries")
} else {
deamonMap["insecure-registries"] = req.Registries
}
if len(req.Mirrors) == 0 {
delete(deamonMap, "registry-mirrors")
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} else {
deamonMap["registry-mirrors"] = req.Mirrors
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}
if !req.LiveRestore {
delete(deamonMap, "live-restore")
} else {
deamonMap["live-restore"] = req.LiveRestore
}
if req.IPTables {
delete(deamonMap, "iptables")
} else {
deamonMap["iptables"] = false
}
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if opts, ok := deamonMap["exec-opts"]; ok {
if optsValue, isArray := opts.([]interface{}); isArray {
for i := 0; i < len(optsValue); i++ {
if opt, isStr := optsValue[i].(string); isStr {
if strings.HasPrefix(opt, "native.cgroupdriver=") {
optsValue[i] = "native.cgroupdriver=" + req.CgroupDriver
break
}
}
}
}
} else {
if req.CgroupDriver == "systemd" {
deamonMap["exec-opts"] = []string{"native.cgroupdriver=systemd"}
}
}
if len(deamonMap) == 0 {
_ = os.Remove(constant.DaemonJsonPath)
return nil
}
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newJson, err := json.MarshalIndent(deamonMap, "", "\t")
if err != nil {
return err
}
if err := os.WriteFile(constant.DaemonJsonPath, newJson, 0640); err != nil {
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return err
}
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stdout, err := cmd.Exec("systemctl restart docker")
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if err != nil {
return errors.New(string(stdout))
}
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return nil
}
func (u *DockerService) UpdateConfByFile(req dto.DaemonJsonUpdateByFile) error {
if len(req.File) == 0 {
_ = os.Remove(constant.DaemonJsonPath)
return nil
}
if _, err := os.Stat(constant.DaemonJsonPath); err != nil && os.IsNotExist(err) {
if err = os.MkdirAll(path.Dir(constant.DaemonJsonPath), os.ModePerm); err != nil {
return err
}
_, _ = os.Create(constant.DaemonJsonPath)
}
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file, err := os.OpenFile(constant.DaemonJsonPath, os.O_WRONLY|os.O_TRUNC, 0640)
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if err != nil {
return err
}
defer file.Close()
write := bufio.NewWriter(file)
_, _ = write.WriteString(req.File)
write.Flush()
stdout, err := cmd.Exec("systemctl restart docker")
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if err != nil {
return errors.New(string(stdout))
}
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return nil
}
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func (u *DockerService) OperateDocker(req dto.DockerOperation) error {
service := "docker"
if req.Operation == "stop" {
service = "docker.service"
if req.StopSocket {
service = "docker.socket"
}
}
stdout, err := cmd.Execf("systemctl %s %s ", req.Operation, service)
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if err != nil {
return errors.New(string(stdout))
}
return nil
}