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deploy.go
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deploy.go
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package main
import (
"log"
"net/http"
"os"
"os/exec"
"bytes"
"flag"
"encoding/json"
"io/ioutil"
)
func main() {
app := LoadConf()
log.Fatal(http.ListenAndServe("0.0.0.0:"+app.Port, app))
}
type App struct {
Workdir string `json:"workdir"`
Shell string `json:"shell"`
Port string `json:"port"`
}
func IsDir(path string) (bool, error) {
_, err := os.Stat(path)
if err == nil {
return true, nil
}
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
func LoadConf() *App {
conf := flag.String("conf", "conf.json", "config file")
flag.Parse()
content, err := ioutil.ReadFile(*conf)
if err != nil {
log.Fatal(err)
}
app := &App{}
err = json.Unmarshal(content, &app)
if err != nil {
log.Fatal(err)
}
return app
}
func Pull(app App, project string, branch string) []byte {
cmd := exec.Command(app.Shell, project, branch)
var out bytes.Buffer
cmd.Stdout = &out
err := cmd.Run()
if err != nil {
log.Fatal(err)
}
return out.Bytes()
}
func (app App) ServeHTTP(w http.ResponseWriter, req *http.Request) {
req.ParseForm()
project_arr := req.Form["project"]
if len(project_arr) < 1 {
w.Write([]byte("invalid parameter!"))
return
}
branch_arr := req.Form["branch"]
var branch string
if len(branch_arr) < 1 {
branch = ""
} else {
branch = branch_arr[0]
}
project := app.Workdir + project_arr[0]
if exist, _ := IsDir(project); !exist {
w.Write([]byte("invalid parameter!"))
return
}
w.Write(Pull(app, project, branch))
}