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

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package service
import (
"context"
"encoding/json"
"errors"
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"fmt"
"io"
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"io/ioutil"
"os/exec"
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"sort"
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"strconv"
"strings"
"time"
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"github.com/1Panel-dev/1Panel/backend/app/dto"
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"github.com/1Panel-dev/1Panel/backend/buserr"
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"github.com/1Panel-dev/1Panel/backend/constant"
"github.com/1Panel-dev/1Panel/backend/global"
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"github.com/1Panel-dev/1Panel/backend/utils/common"
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"github.com/1Panel-dev/1Panel/backend/utils/docker"
"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/container"
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"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/api/types/network"
"github.com/docker/docker/client"
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"github.com/docker/go-connections/nat"
v1 "github.com/opencontainers/image-spec/specs-go/v1"
)
type ContainerService struct{}
type IContainerService interface {
Page(req dto.PageContainer) (int64, interface{}, error)
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PageNetwork(req dto.SearchWithPage) (int64, interface{}, error)
PageVolume(req dto.SearchWithPage) (int64, interface{}, error)
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ListVolume() ([]dto.Options, error)
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PageCompose(req dto.SearchWithPage) (int64, interface{}, error)
CreateCompose(req dto.ComposeCreate) (string, error)
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ComposeOperation(req dto.ComposeOperation) error
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ContainerCreate(req dto.ContainerCreate) error
ContainerOperation(req dto.ContainerOperation) error
ContainerLogs(param dto.ContainerLog) (string, error)
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ContainerStats(id string) (*dto.ContainterStats, error)
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Inspect(req dto.InspectReq) (string, error)
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DeleteNetwork(req dto.BatchDelete) error
CreateNetwork(req dto.NetworkCreat) error
DeleteVolume(req dto.BatchDelete) error
CreateVolume(req dto.VolumeCreat) error
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TestCompose(req dto.ComposeCreate) (bool, error)
ComposeUpdate(req dto.ComposeUpdate) error
}
func NewIContainerService() IContainerService {
return &ContainerService{}
}
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func (u *ContainerService) Page(req dto.PageContainer) (int64, interface{}, error) {
var (
records []types.Container
list []types.Container
backDatas []dto.ContainerInfo
)
client, err := docker.NewDockerClient()
if err != nil {
return 0, nil, err
}
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options := types.ContainerListOptions{All: true}
if len(req.Filters) != 0 {
options.Filters = filters.NewArgs()
options.Filters.Add("label", req.Filters)
}
list, err = client.ContainerList(context.Background(), options)
if err != nil {
return 0, nil, err
}
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if len(req.Name) != 0 {
lenth, count := len(list), 0
for count < lenth {
if !strings.Contains(list[count].Names[0][1:], req.Name) {
list = append(list[:count], list[(count+1):]...)
lenth--
} else {
count++
}
}
}
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sort.Slice(list, func(i, j int) bool {
return list[i].Created > list[j].Created
})
total, start, end := len(list), (req.Page-1)*req.PageSize, req.Page*req.PageSize
if start > total {
records = make([]types.Container, 0)
} else {
if end >= total {
end = total
}
records = list[start:end]
}
for _, container := range records {
IsFromCompose := false
if _, ok := container.Labels[composeProjectLabel]; ok {
IsFromCompose = true
}
IsFromApp := false
if created, ok := container.Labels[composeCreatedBy]; ok && created == "Apps" {
IsFromApp = true
}
backDatas = append(backDatas, dto.ContainerInfo{
ContainerID: container.ID,
CreateTime: time.Unix(container.Created, 0).Format("2006-01-02 15:04:05"),
Name: container.Names[0][1:],
ImageId: strings.Split(container.ImageID, ":")[1],
ImageName: container.Image,
State: container.State,
RunTime: container.Status,
IsFromApp: IsFromApp,
IsFromCompose: IsFromCompose,
})
}
return int64(total), backDatas, nil
}
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func (u *ContainerService) Inspect(req dto.InspectReq) (string, error) {
client, err := docker.NewDockerClient()
if err != nil {
return "", err
}
var inspectInfo interface{}
switch req.Type {
case "container":
inspectInfo, err = client.ContainerInspect(context.Background(), req.ID)
case "network":
inspectInfo, err = client.NetworkInspect(context.TODO(), req.ID, types.NetworkInspectOptions{})
case "volume":
inspectInfo, err = client.VolumeInspect(context.TODO(), req.ID)
}
if err != nil {
return "", err
}
bytes, err := json.Marshal(inspectInfo)
if err != nil {
return "", err
}
return string(bytes), nil
}
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func (u *ContainerService) ContainerCreate(req dto.ContainerCreate) error {
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if len(req.ExposedPorts) != 0 {
for _, port := range req.ExposedPorts {
if common.ScanPort(port.HostPort) {
return buserr.WithDetail(constant.ErrPortInUsed, port.HostPort, nil)
}
}
}
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client, err := docker.NewDockerClient()
if err != nil {
return err
}
config := &container.Config{
Image: req.Image,
Cmd: req.Cmd,
Env: req.Env,
Labels: stringsToMap(req.Labels),
Tty: true,
OpenStdin: true,
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}
hostConf := &container.HostConfig{
AutoRemove: req.AutoRemove,
PublishAllPorts: req.PublishAllPorts,
RestartPolicy: container.RestartPolicy{Name: req.RestartPolicy},
}
if req.RestartPolicy == "on-failure" {
hostConf.RestartPolicy.MaximumRetryCount = 5
}
if req.NanoCPUs != 0 {
hostConf.NanoCPUs = req.NanoCPUs * 1000000000
}
if req.Memory != 0 {
hostConf.Memory = req.Memory
}
if len(req.ExposedPorts) != 0 {
hostConf.PortBindings = make(nat.PortMap)
for _, port := range req.ExposedPorts {
bindItem := nat.PortBinding{HostPort: strconv.Itoa(port.HostPort)}
hostConf.PortBindings[nat.Port(fmt.Sprintf("%d/tcp", port.ContainerPort))] = []nat.PortBinding{bindItem}
}
}
if len(req.Volumes) != 0 {
config.Volumes = make(map[string]struct{})
for _, volume := range req.Volumes {
config.Volumes[volume.ContainerDir] = struct{}{}
hostConf.Binds = append(hostConf.Binds, fmt.Sprintf("%s:%s:%s", volume.SourceDir, volume.ContainerDir, volume.Mode))
}
}
global.LOG.Infof("new container info %s has been made, now start to create", req.Name)
ctx := context.Background()
if err := pullImages(ctx, client, req.Image); err != nil {
return err
}
container, err := client.ContainerCreate(ctx, config, hostConf, &network.NetworkingConfig{}, &v1.Platform{}, req.Name)
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if err != nil {
_ = client.ContainerRemove(ctx, req.Name, types.ContainerRemoveOptions{RemoveVolumes: true, Force: true})
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return err
}
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global.LOG.Infof("create container %s successful! now check if the container is started and delete the container information if it is not.", req.Name)
if err := client.ContainerStart(ctx, container.ID, types.ContainerStartOptions{}); err != nil {
_ = client.ContainerRemove(ctx, req.Name, types.ContainerRemoveOptions{RemoveVolumes: true, Force: true})
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return fmt.Errorf("create successful but start failed, err: %v", err)
}
return nil
}
func (u *ContainerService) ContainerOperation(req dto.ContainerOperation) error {
var err error
ctx := context.Background()
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client, err := docker.NewDockerClient()
if err != nil {
return err
}
global.LOG.Infof("start container %s operation %s", req.Name, req.Operation)
switch req.Operation {
case constant.ContainerOpStart:
err = client.ContainerStart(ctx, req.Name, types.ContainerStartOptions{})
case constant.ContainerOpStop:
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err = client.ContainerStop(ctx, req.Name, container.StopOptions{})
case constant.ContainerOpRestart:
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err = client.ContainerRestart(ctx, req.Name, container.StopOptions{})
case constant.ContainerOpKill:
err = client.ContainerKill(ctx, req.Name, "SIGKILL")
case constant.ContainerOpPause:
err = client.ContainerPause(ctx, req.Name)
case constant.ContainerOpUnpause:
err = client.ContainerUnpause(ctx, req.Name)
case constant.ContainerOpRename:
err = client.ContainerRename(ctx, req.Name, req.NewName)
case constant.ContainerOpRemove:
err = client.ContainerRemove(ctx, req.Name, types.ContainerRemoveOptions{RemoveVolumes: true, Force: true})
}
return err
}
func (u *ContainerService) ContainerLogs(req dto.ContainerLog) (string, error) {
cmd := exec.Command("docker", "logs", req.ContainerID)
if req.Mode != "all" {
cmd = exec.Command("docker", "logs", req.ContainerID, "--since", req.Mode)
}
stdout, err := cmd.CombinedOutput()
if err != nil {
return "", errors.New(string(stdout))
}
return string(stdout), nil
}
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func (u *ContainerService) ContainerStats(id string) (*dto.ContainterStats, error) {
client, err := docker.NewDockerClient()
if err != nil {
return nil, err
}
res, err := client.ContainerStats(context.TODO(), id, false)
if err != nil {
return nil, err
}
defer res.Body.Close()
body, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, err
}
var stats *types.StatsJSON
if err := json.Unmarshal(body, &stats); err != nil {
return nil, err
}
var data dto.ContainterStats
previousCPU := stats.PreCPUStats.CPUUsage.TotalUsage
previousSystem := stats.PreCPUStats.SystemUsage
data.CPUPercent = calculateCPUPercentUnix(previousCPU, previousSystem, stats)
data.IORead, data.IOWrite = calculateBlockIO(stats.BlkioStats)
data.Memory = float64(stats.MemoryStats.Usage) / 1024 / 1024
if cache, ok := stats.MemoryStats.Stats["cache"]; ok {
data.Cache = float64(cache) / 1024 / 1024
}
data.Memory = data.Memory - data.Cache
data.NetworkRX, data.NetworkTX = calculateNetwork(stats.Networks)
data.ShotTime = stats.Read
return &data, nil
}
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func stringsToMap(list []string) map[string]string {
var lableMap = make(map[string]string)
for _, label := range list {
sps := strings.Split(label, "=")
if len(sps) > 1 {
lableMap[sps[0]] = sps[1]
}
}
return lableMap
}
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func calculateCPUPercentUnix(previousCPU, previousSystem uint64, v *types.StatsJSON) float64 {
var (
cpuPercent = 0.0
cpuDelta = float64(v.CPUStats.CPUUsage.TotalUsage) - float64(previousCPU)
systemDelta = float64(v.CPUStats.SystemUsage) - float64(previousSystem)
)
if systemDelta > 0.0 && cpuDelta > 0.0 {
cpuPercent = (cpuDelta / systemDelta) * float64(len(v.CPUStats.CPUUsage.PercpuUsage)) * 100.0
}
return cpuPercent
}
func calculateBlockIO(blkio types.BlkioStats) (blkRead float64, blkWrite float64) {
for _, bioEntry := range blkio.IoServiceBytesRecursive {
switch strings.ToLower(bioEntry.Op) {
case "read":
blkRead = (blkRead + float64(bioEntry.Value)) / 1024 / 1024
case "write":
blkWrite = (blkWrite + float64(bioEntry.Value)) / 1024 / 1024
}
}
return
}
func calculateNetwork(network map[string]types.NetworkStats) (float64, float64) {
var rx, tx float64
for _, v := range network {
rx += float64(v.RxBytes) / 1024
tx += float64(v.TxBytes) / 1024
}
return rx, tx
}
func pullImages(ctx context.Context, client *client.Client, image string) error {
out, err := client.ImagePull(ctx, image, types.ImagePullOptions{})
if err != nil {
return err
}
defer out.Close()
_, err = io.Copy(ioutil.Discard, out)
if err != nil {
return err
}
return nil
}