[feat] first version

This commit is contained in:
Jay
2021-06-13 22:59:50 +08:00
parent 500ee5a2d8
commit 6e1995364b
10 changed files with 594 additions and 0 deletions
+92
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package config
import (
"deploy/pkg/set"
"deploy/pkg/tools"
"fmt"
"strings"
errors "github.com/pkg/errors"
confLoader "github.com/otakukaze/config-loader"
)
type Config struct {
Server Server `yaml:"server"`
Listens []Listen `yaml:"listens"`
}
type Server struct {
Port int `yaml:"port" env:"SERVER_PORT" default:"10230"`
}
type Listen struct {
HTTP *HTTPListen `yaml:"http"`
}
type HTTPListen struct {
Method string `yaml:"method"`
Path string `yaml:"path"`
Headers map[string]string `yaml:"headers"`
Script string `yaml:"script"`
}
func Load(p ...string) (*Config, error) {
cfg := &Config{}
opts := &confLoader.LoadOptions{
FromEnv: true,
}
// check path exists
if len(p) > 0 && p[0] != "" {
if !tools.CheckExists(p[0], false) {
return nil, errors.New("config not exist")
}
opts.ConfigFile = &confLoader.ConfigFile{
Type: confLoader.ConfigFileTypeYAML,
Path: tools.ParsePath(p[0]),
}
}
if err := confLoader.Load(&cfg, opts); err != nil {
return nil, err
}
// check all listen path and script
pathSet := set.NewSet()
for _, v := range cfg.Listens {
if v.HTTP == nil {
continue
}
key := fmt.Sprintf("%s-%s", v.HTTP.Method, v.HTTP.Path)
if pathSet.Has(key) {
return nil, errors.WithStack(fmt.Errorf("path is duplicate: %s\n", v.HTTP.Path))
}
v.HTTP.Method = strings.ToUpper(v.HTTP.Method)
// check method support
switch v.HTTP.Method {
case "GET":
case "POST":
break
default:
return nil, errors.WithStack(fmt.Errorf("http method (%s) not support", v.HTTP.Method))
}
pathSet.Add(key)
// check script exists
if !tools.CheckExists(v.HTTP.Script, false) {
return nil, errors.WithStack(fmt.Errorf("path (%s) script not exists: %s\n", v.HTTP.Path, v.HTTP.Script))
}
}
return cfg, nil
}
+24
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package logger
import (
"io"
"os"
"github.com/sirupsen/logrus"
)
func NewLogger(output io.Writer) *logrus.Logger {
l := logrus.New()
l.SetFormatter(&logrus.TextFormatter{})
l.SetLevel(logrus.DebugLevel)
if output != nil {
l.SetOutput(output)
} else {
l.SetOutput(os.Stdout)
}
return l
}
+97
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package server
import (
"bufio"
"deploy/pkg/config"
"os/exec"
"github.com/gin-gonic/gin"
"github.com/sirupsen/logrus"
)
type HTTPServer struct {
Engine *gin.Engine
Logger *logrus.Logger
}
func NewServer(logger *logrus.Logger) *HTTPServer {
e := gin.Default()
s := &HTTPServer{
Engine: e,
Logger: logger,
}
return s
}
func (s *HTTPServer) setHandler(check map[string]string, script string) gin.HandlerFunc {
return func(c *gin.Context) {
if len(check) > 0 {
for k, v := range check {
if c.GetHeader(k) != v {
s.Logger.WithFields(logrus.Fields{
"method": c.Request.Method,
"path": c.Request.URL.Path,
"header": k,
}).Warnf("header value not match\n")
c.AbortWithStatus(403)
return
}
}
}
// ctx := c.Copy()
go func() {
cmd := exec.Command(script)
// r, w := io.Pipe()
nlog := s.Logger.WithFields(logrus.Fields{"script": script})
reader, err := cmd.StdoutPipe()
if err != nil {
nlog.Warnf("setup pipe out fail: %+v\n", err)
}
if err := cmd.Start(); err != nil {
nlog.Warnf("start script fail: %+v\n", err)
}
in := bufio.NewScanner(reader)
for in.Scan() {
nlog.Debugf(in.Text())
}
if err := in.Err(); err != nil {
nlog.Warnf("script error: %+v\n", err)
}
}()
c.String(200, "ok")
}
}
func (s *HTTPServer) SetRoutes(listens []config.Listen) error {
if len(listens) == 0 {
return nil
}
for _, v := range listens {
if v.HTTP == nil {
continue
}
switch v.HTTP.Method {
case "POST":
s.Engine.POST(v.HTTP.Path, s.setHandler(v.HTTP.Headers, v.HTTP.Script))
break
case "GET":
s.Engine.GET(v.HTTP.Path, s.setHandler(v.HTTP.Headers, v.HTTP.Script))
break
default:
break
}
}
return nil
}
+30
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package set
type Set map[interface{}]struct{}
func NewSet() Set {
return make(map[interface{}]struct{})
}
func (s Set) Add(i interface{}) {
s[i] = struct{}{}
}
func (s Set) Has(i interface{}) bool {
_, ok := s[i]
return ok
}
func (s Set) Size() int {
return len(s)
}
func (s Set) Keys() []interface{} {
keys := make([]interface{}, 0)
for k, _ := range s {
keys = append(keys, k)
}
return keys
}
+69
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package tools
import (
"os"
"path"
"runtime"
"strings"
)
// ParsePath - parse file path to absPath
func ParsePath(dst string) string {
wd, err := os.Getwd()
if err != nil {
wd = ""
}
if []rune(dst)[0] == '~' {
home := UserHomeDir()
if len(home) > 0 {
dst = strings.Replace(dst, "~", home, -1)
}
}
if path.IsAbs(dst) {
dst = path.Clean(dst)
return dst
}
str := path.Join(wd, dst)
str = path.Clean(str)
return str
}
// UserHomeDir - get user home directory
func UserHomeDir() string {
env := "HOME"
if runtime.GOOS == "windows" {
env = "USERPROFILE"
} else if runtime.GOOS == "plan9" {
env = "home"
}
return os.Getenv(env)
}
// CheckExists - check file exists
func CheckExists(filePath string, allowDir bool) bool {
filePath = ParsePath(filePath)
stat, err := os.Stat(filePath)
if err != nil && !os.IsExist(err) {
return false
}
if !allowDir && stat.IsDir() {
return false
}
return true
}
// IsDir -
func IsDir(filePath string) bool {
filePath = ParsePath(filePath)
stat, err := os.Stat(filePath)
if err != nil && !os.IsExist(err) {
return false
}
if !stat.IsDir() {
return false
}
return true
}