Rainbond/builder/parser/docker_run.go
2020-03-16 17:10:13 +08:00

286 lines
8.7 KiB
Go

// Copyright (C) 2014-2018 Goodrain Co., Ltd.
// RAINBOND, Application Management Platform
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package parser
import (
"fmt"
"github.com/docker/distribution/reference" //"github.com/docker/docker/api/types"
"github.com/docker/docker/client"
"github.com/goodrain/rainbond/builder/parser/types"
"github.com/goodrain/rainbond/builder/sources"
"github.com/goodrain/rainbond/db/model"
"github.com/goodrain/rainbond/event"
"github.com/goodrain/rainbond/util"
"runtime"
"strconv"
"strings" //"github.com/docker/docker/client"
)
//DockerRunOrImageParse docker run 命令解析或直接镜像名解析
type DockerRunOrImageParse struct {
user, pass string
ports map[int]*types.Port
volumes map[string]*types.Volume
envs map[string]*types.Env
source string
serviceType string
memory int
image Image
args []string
errors []ParseError
dockerclient *client.Client
logger event.Logger
}
//CreateDockerRunOrImageParse create parser
func CreateDockerRunOrImageParse(user, pass, source string, dockerclient *client.Client, logger event.Logger) *DockerRunOrImageParse {
source = strings.TrimLeft(source, " ")
source = strings.Replace(source, "\n", "", -1)
source = strings.Replace(source, "\\", "", -1)
source = strings.Replace(source, " ", " ", -1)
return &DockerRunOrImageParse{
user: user,
pass: pass,
source: source,
dockerclient: dockerclient,
ports: make(map[int]*types.Port),
volumes: make(map[string]*types.Volume),
envs: make(map[string]*types.Env),
logger: logger,
}
}
//Parse 解码,获取镜像,解析镜像
//eg. docker run -it -p 80:80 nginx
func (d *DockerRunOrImageParse) Parse() ParseErrorList {
if d.source == "" {
d.errappend(Errorf(FatalError, "source can not be empty"))
return d.errors
}
//docker run
if strings.HasPrefix(d.source, "docker") {
d.ParseDockerun(strings.Split(d.source, " "))
if d.image.String() == "" || d.image.String() == ":" {
d.errappend(ErrorAndSolve(FatalError, fmt.Sprintf("镜像名称识别失败"), SolveAdvice("modify_image", "请确认输入DockerRun命令是否正确")))
return d.errors
}
if _, err := reference.ParseAnyReference(d.image.String()); err != nil {
d.errappend(ErrorAndSolve(FatalError, fmt.Sprintf("镜像名称(%s)不合法", d.image.String()), SolveAdvice("modify_image", "请确认输入DockerRun命令是否正确")))
return d.errors
}
} else {
//else image
_, err := reference.ParseAnyReference(d.source)
if err != nil {
d.errappend(ErrorAndSolve(FatalError, fmt.Sprintf("镜像名称(%s)不合法", d.image.String()), SolveAdvice("modify_image", "请确认输入镜像名是否正确")))
return d.errors
}
d.image = ParseImageName(d.source)
}
//获取镜像,验证是否存在
imageInspect, err := sources.ImagePull(d.dockerclient, d.image.Source(), d.user, d.pass, d.logger, 10)
if err != nil {
if strings.Contains(err.Error(), "No such image") {
d.errappend(ErrorAndSolve(FatalError, fmt.Sprintf("镜像(%s)不存在", d.image.String()), SolveAdvice("modify_image", "请确认输入镜像名是否正确")))
} else {
if d.image.IsOfficial() {
d.errappend(ErrorAndSolve(FatalError, fmt.Sprintf("镜像(%s)获取失败,国内访问Docker官方仓库经常不稳定", d.image.String()), SolveAdvice("modify_image", "请确认输入镜像可以正常获取")))
} else {
d.errappend(ErrorAndSolve(FatalError, fmt.Sprintf("镜像(%s)获取失败", d.image.String()), SolveAdvice("modify_image", "请确认输入镜像可以正常获取")))
}
}
return d.errors
}
if imageInspect != nil && imageInspect.ContainerConfig != nil {
for _, env := range imageInspect.ContainerConfig.Env {
envinfo := strings.Split(env, "=")
if len(envinfo) == 2 {
if _, ok := d.envs[envinfo[0]]; !ok {
d.envs[envinfo[0]] = &types.Env{Name: envinfo[0], Value: envinfo[1]}
}
}
}
for k := range imageInspect.ContainerConfig.Volumes {
if _, ok := d.volumes[k]; !ok {
d.volumes[k] = &types.Volume{VolumePath: k, VolumeType: model.ShareFileVolumeType.String()}
}
}
for k := range imageInspect.ContainerConfig.ExposedPorts {
proto := k.Proto()
port := k.Int()
if proto != "udp" {
proto = GetPortProtocol(port)
}
if _, ok := d.ports[port]; ok {
d.ports[port].Protocol = proto
} else {
d.ports[port] = &types.Port{Protocol: proto, ContainerPort: port}
}
}
}
d.serviceType = DetermineDeployType(d.image)
return d.errors
}
//ParseDockerun parse docker run command
func (d *DockerRunOrImageParse) ParseDockerun(source []string) {
var name string
source = util.RemoveSpaces(source)
for i, s := range source {
if s == "docker" || s == "run" {
continue
}
if strings.HasPrefix(s, "-") {
name = strings.TrimLeft(s, "-")
index := strings.Index(name, "=")
if index > 0 && index < len(name)-1 {
s = name[index+1:]
name = name[0:index]
switch name {
case "e", "env":
info := strings.Split(s, "=")
if len(info) == 2 {
d.envs[info[0]] = &types.Env{Name: info[0], Value: info[1]}
}
case "p", "public":
info := strings.Split(s, ":")
if len(info) == 2 {
port, _ := strconv.Atoi(info[0])
if port != 0 {
d.ports[port] = &types.Port{ContainerPort: port, Protocol: GetPortProtocol(port)}
}
}
case "v", "volume":
info := strings.Split(s, ":")
if len(info) >= 2 {
d.volumes[info[1]] = &types.Volume{VolumePath: info[1], VolumeType: model.ShareFileVolumeType.String()}
}
case "memory", "m":
d.memory = readmemory(s)
}
name = ""
}
} else {
switch name {
case "e", "env":
info := strings.Split(s, "=")
if len(info) == 2 {
d.envs[info[0]] = &types.Env{Name: info[0], Value: info[1]}
}
case "p", "public":
info := strings.Split(s, ":")
if len(info) == 2 {
port, _ := strconv.Atoi(info[1])
if port != 0 {
d.ports[port] = &types.Port{ContainerPort: port, Protocol: GetPortProtocol(port)}
}
}
case "v", "volume":
info := strings.Split(s, ":")
if len(info) >= 2 {
d.volumes[info[1]] = &types.Volume{VolumePath: info[1], VolumeType: model.ShareFileVolumeType.String()}
}
case "memory", "m":
d.memory = readmemory(s)
case "", "d", "i", "t", "it", "P":
d.image = ParseImageName(s)
if len(source) > i+1 {
d.args = source[i+1:]
}
return
}
name = ""
continue
}
}
}
func (d *DockerRunOrImageParse) errappend(pe ParseError) {
d.errors = append(d.errors, pe)
}
//GetBranchs 获取分支列表
func (d *DockerRunOrImageParse) GetBranchs() []string {
return nil
}
//GetPorts 获取端口列表
func (d *DockerRunOrImageParse) GetPorts() (ports []types.Port) {
for _, cv := range d.ports {
ports = append(ports, *cv)
}
return ports
}
//GetVolumes 获取存储列表
func (d *DockerRunOrImageParse) GetVolumes() (volumes []types.Volume) {
for _, cv := range d.volumes {
volumes = append(volumes, *cv)
}
return
}
//GetValid 获取源是否合法
func (d *DockerRunOrImageParse) GetValid() bool {
return false
}
//GetEnvs 环境变量
func (d *DockerRunOrImageParse) GetEnvs() (envs []types.Env) {
for _, cv := range d.envs {
envs = append(envs, *cv)
}
return
}
//GetImage 获取镜像
func (d *DockerRunOrImageParse) GetImage() Image {
return d.image
}
//GetArgs 启动参数
func (d *DockerRunOrImageParse) GetArgs() []string {
return d.args
}
//GetMemory 获取内存
func (d *DockerRunOrImageParse) GetMemory() int {
return d.memory
}
//GetServiceInfo 获取service info
func (d *DockerRunOrImageParse) GetServiceInfo() []ServiceInfo {
serviceInfo := ServiceInfo{
Ports: d.GetPorts(),
Envs: d.GetEnvs(),
Volumes: d.GetVolumes(),
Image: d.GetImage(),
Args: d.GetArgs(),
Branchs: d.GetBranchs(),
Memory: d.memory,
ServiceType: d.serviceType,
OS: runtime.GOOS,
}
if serviceInfo.Memory == 0 {
serviceInfo.Memory = 512
}
return []ServiceInfo{serviceInfo}
}