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Beego/admin.go
2015-05-25 09:10:38 +08:00

474 lines
13 KiB
Go

// Copyright 2014 beego Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package beego
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
"os"
"text/template"
"time"
"github.com/astaxie/beego/grace"
"github.com/astaxie/beego/toolbox"
"github.com/astaxie/beego/utils"
)
// BeeAdminApp is the default adminApp used by admin module.
var beeAdminApp *adminApp
// FilterMonitorFunc is default monitor filter when admin module is enable.
// if this func returns, admin module records qbs for this request by condition of this function logic.
// usage:
// func MyFilterMonitor(method, requestPath string, t time.Duration) bool {
// if method == "POST" {
// return false
// }
// if t.Nanoseconds() < 100 {
// return false
// }
// if strings.HasPrefix(requestPath, "/astaxie") {
// return false
// }
// return true
// }
// beego.FilterMonitorFunc = MyFilterMonitor.
var FilterMonitorFunc func(string, string, time.Duration) bool
func init() {
beeAdminApp = &adminApp{
routers: make(map[string]http.HandlerFunc),
}
beeAdminApp.Route("/", adminIndex)
beeAdminApp.Route("/qps", qpsIndex)
beeAdminApp.Route("/prof", profIndex)
beeAdminApp.Route("/healthcheck", healthcheck)
beeAdminApp.Route("/task", taskStatus)
beeAdminApp.Route("/listconf", listConf)
FilterMonitorFunc = func(string, string, time.Duration) bool { return true }
}
// AdminIndex is the default http.Handler for admin module.
// it matches url pattern "/".
func adminIndex(rw http.ResponseWriter, r *http.Request) {
tmpl := template.Must(template.New("dashboard").Parse(dashboardTpl))
tmpl = template.Must(tmpl.Parse(indexTpl))
tmpl = template.Must(tmpl.Parse(defaultScriptsTpl))
data := make(map[interface{}]interface{})
tmpl.Execute(rw, data)
}
// QpsIndex is the http.Handler for writing qbs statistics map result info in http.ResponseWriter.
// it's registered with url pattern "/qbs" in admin module.
func qpsIndex(rw http.ResponseWriter, r *http.Request) {
tmpl := template.Must(template.New("dashboard").Parse(dashboardTpl))
tmpl = template.Must(tmpl.Parse(qpsTpl))
tmpl = template.Must(tmpl.Parse(defaultScriptsTpl))
data := make(map[interface{}]interface{})
data["Content"] = toolbox.StatisticsMap.GetMap()
tmpl.Execute(rw, data)
}
// ListConf is the http.Handler of displaying all beego configuration values as key/value pair.
// it's registered with url pattern "/listconf" in admin module.
func listConf(rw http.ResponseWriter, r *http.Request) {
r.ParseForm()
command := r.Form.Get("command")
if command != "" {
data := make(map[interface{}]interface{})
switch command {
case "conf":
m := make(map[string]interface{})
m["AppName"] = AppName
m["AppPath"] = AppPath
m["AppConfigPath"] = AppConfigPath
m["StaticDir"] = StaticDir
m["StaticExtensionsToGzip"] = StaticExtensionsToGzip
m["HttpAddr"] = HttpAddr
m["HttpPort"] = HttpPort
m["HttpTLS"] = EnableHttpTLS
m["HttpCertFile"] = HttpCertFile
m["HttpKeyFile"] = HttpKeyFile
m["RecoverPanic"] = RecoverPanic
m["AutoRender"] = AutoRender
m["ViewsPath"] = ViewsPath
m["RunMode"] = RunMode
m["SessionOn"] = SessionOn
m["SessionProvider"] = SessionProvider
m["SessionName"] = SessionName
m["SessionGCMaxLifetime"] = SessionGCMaxLifetime
m["SessionSavePath"] = SessionSavePath
m["SessionCookieLifeTime"] = SessionCookieLifeTime
m["UseFcgi"] = UseFcgi
m["MaxMemory"] = MaxMemory
m["EnableGzip"] = EnableGzip
m["DirectoryIndex"] = DirectoryIndex
m["HttpServerTimeOut"] = HttpServerTimeOut
m["ErrorsShow"] = ErrorsShow
m["XSRFKEY"] = XSRFKEY
m["EnableXSRF"] = EnableXSRF
m["XSRFExpire"] = XSRFExpire
m["CopyRequestBody"] = CopyRequestBody
m["TemplateLeft"] = TemplateLeft
m["TemplateRight"] = TemplateRight
m["BeegoServerName"] = BeegoServerName
m["EnableAdmin"] = EnableAdmin
m["AdminHttpAddr"] = AdminHttpAddr
m["AdminHttpPort"] = AdminHttpPort
tmpl := template.Must(template.New("dashboard").Parse(dashboardTpl))
tmpl = template.Must(tmpl.Parse(configTpl))
tmpl = template.Must(tmpl.Parse(defaultScriptsTpl))
data["Content"] = m
tmpl.Execute(rw, data)
case "router":
content := make(map[string]interface{})
var fields = []string{
fmt.Sprintf("Router Pattern"),
fmt.Sprintf("Methods"),
fmt.Sprintf("Controller"),
}
content["Fields"] = fields
methods := []string{}
methodsData := make(map[string]interface{})
for method, t := range BeeApp.Handlers.routers {
resultList := new([][]string)
printTree(resultList, t)
methods = append(methods, method)
methodsData[method] = resultList
}
content["Data"] = methodsData
content["Methods"] = methods
data["Content"] = content
data["Title"] = "Routers"
tmpl := template.Must(template.New("dashboard").Parse(dashboardTpl))
tmpl = template.Must(tmpl.Parse(routerAndFilterTpl))
tmpl = template.Must(tmpl.Parse(defaultScriptsTpl))
tmpl.Execute(rw, data)
case "filter":
content := make(map[string]interface{})
var fields = []string{
fmt.Sprintf("Router Pattern"),
fmt.Sprintf("Filter Function"),
}
content["Fields"] = fields
filterTypes := []string{}
filterTypeData := make(map[string]interface{})
if BeeApp.Handlers.enableFilter {
var filterType string
if bf, ok := BeeApp.Handlers.filters[BeforeRouter]; ok {
filterType = "Before Router"
filterTypes = append(filterTypes, filterType)
resultList := new([][]string)
for _, f := range bf {
var result = []string{
fmt.Sprintf("%s", f.pattern),
fmt.Sprintf("%s", utils.GetFuncName(f.filterFunc)),
}
*resultList = append(*resultList, result)
}
filterTypeData[filterType] = resultList
}
if bf, ok := BeeApp.Handlers.filters[BeforeExec]; ok {
filterType = "Before Exec"
filterTypes = append(filterTypes, filterType)
resultList := new([][]string)
for _, f := range bf {
var result = []string{
fmt.Sprintf("%s", f.pattern),
fmt.Sprintf("%s", utils.GetFuncName(f.filterFunc)),
}
*resultList = append(*resultList, result)
}
filterTypeData[filterType] = resultList
}
if bf, ok := BeeApp.Handlers.filters[AfterExec]; ok {
filterType = "After Exec"
filterTypes = append(filterTypes, filterType)
resultList := new([][]string)
for _, f := range bf {
var result = []string{
fmt.Sprintf("%s", f.pattern),
fmt.Sprintf("%s", utils.GetFuncName(f.filterFunc)),
}
*resultList = append(*resultList, result)
}
filterTypeData[filterType] = resultList
}
if bf, ok := BeeApp.Handlers.filters[FinishRouter]; ok {
filterType = "Finish Router"
filterTypes = append(filterTypes, filterType)
resultList := new([][]string)
for _, f := range bf {
var result = []string{
fmt.Sprintf("%s", f.pattern),
fmt.Sprintf("%s", utils.GetFuncName(f.filterFunc)),
}
*resultList = append(*resultList, result)
}
filterTypeData[filterType] = resultList
}
}
content["Data"] = filterTypeData
content["Methods"] = filterTypes
data["Content"] = content
data["Title"] = "Filters"
tmpl := template.Must(template.New("dashboard").Parse(dashboardTpl))
tmpl = template.Must(tmpl.Parse(routerAndFilterTpl))
tmpl = template.Must(tmpl.Parse(defaultScriptsTpl))
tmpl.Execute(rw, data)
default:
rw.Write([]byte("command not support"))
}
} else {
}
}
func printTree(resultList *[][]string, t *Tree) {
for _, tr := range t.fixrouters {
printTree(resultList, tr)
}
if t.wildcard != nil {
printTree(resultList, t.wildcard)
}
for _, l := range t.leaves {
if v, ok := l.runObject.(*controllerInfo); ok {
if v.routerType == routerTypeBeego {
var result = []string{
fmt.Sprintf("%s", v.pattern),
fmt.Sprintf("%s", v.methods),
fmt.Sprintf("%s", v.controllerType),
}
*resultList = append(*resultList, result)
} else if v.routerType == routerTypeRESTFul {
var result = []string{
fmt.Sprintf("%s", v.pattern),
fmt.Sprintf("%s", v.methods),
fmt.Sprintf(""),
}
*resultList = append(*resultList, result)
} else if v.routerType == routerTypeHandler {
var result = []string{
fmt.Sprintf("%s", v.pattern),
fmt.Sprintf(""),
fmt.Sprintf(""),
}
*resultList = append(*resultList, result)
}
}
}
}
// ProfIndex is a http.Handler for showing profile command.
// it's in url pattern "/prof" in admin module.
func profIndex(rw http.ResponseWriter, r *http.Request) {
r.ParseForm()
command := r.Form.Get("command")
format := r.Form.Get("format")
data := make(map[string]interface{})
var result bytes.Buffer
if command != "" {
toolbox.ProcessInput(command, &result)
data["Content"] = result.String()
if format == "json" && command == "gc summary" {
dataJson, err := json.Marshal(data)
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
rw.Header().Set("Content-Type", "application/json")
rw.Write(dataJson)
return
}
data["Title"] = command
tmpl := template.Must(template.New("dashboard").Parse(dashboardTpl))
tmpl = template.Must(tmpl.Parse(profillingTpl))
if command == "gc summary" {
tmpl = template.Must(tmpl.Parse(gcAjaxTpl))
} else {
tmpl = template.Must(tmpl.Parse(defaultScriptsTpl))
}
tmpl.Execute(rw, data)
}
}
// Healthcheck is a http.Handler calling health checking and showing the result.
// it's in "/healthcheck" pattern in admin module.
func healthcheck(rw http.ResponseWriter, req *http.Request) {
data := make(map[interface{}]interface{})
var result = []string{}
fields := []string{
fmt.Sprintf("Name"),
fmt.Sprintf("Message"),
fmt.Sprintf("Status"),
}
resultList := new([][]string)
content := make(map[string]interface{})
for name, h := range toolbox.AdminCheckList {
if err := h.Check(); err != nil {
result = []string{
fmt.Sprintf("error"),
fmt.Sprintf("%s", name),
fmt.Sprintf("%s", err.Error()),
}
} else {
result = []string{
fmt.Sprintf("success"),
fmt.Sprintf("%s", name),
fmt.Sprintf("OK"),
}
}
*resultList = append(*resultList, result)
}
content["Fields"] = fields
content["Data"] = resultList
data["Content"] = content
data["Title"] = "Health Check"
tmpl := template.Must(template.New("dashboard").Parse(dashboardTpl))
tmpl = template.Must(tmpl.Parse(healthCheckTpl))
tmpl = template.Must(tmpl.Parse(defaultScriptsTpl))
tmpl.Execute(rw, data)
}
// TaskStatus is a http.Handler with running task status (task name, status and the last execution).
// it's in "/task" pattern in admin module.
func taskStatus(rw http.ResponseWriter, req *http.Request) {
data := make(map[interface{}]interface{})
// Run Task
req.ParseForm()
taskname := req.Form.Get("taskname")
if taskname != "" {
if t, ok := toolbox.AdminTaskList[taskname]; ok {
err := t.Run()
if err != nil {
data["Message"] = []string{"error", fmt.Sprintf("%s", err)}
}
data["Message"] = []string{"success", fmt.Sprintf("%s run success,Now the Status is <br>%s", taskname, t.GetStatus())}
} else {
data["Message"] = []string{"warning", fmt.Sprintf("there's no task which named: %s", taskname)}
}
}
// List Tasks
content := make(map[string]interface{})
resultList := new([][]string)
var result = []string{}
var fields = []string{
fmt.Sprintf("Task Name"),
fmt.Sprintf("Task Spec"),
fmt.Sprintf("Task Status"),
fmt.Sprintf("Last Time"),
fmt.Sprintf(""),
}
for tname, tk := range toolbox.AdminTaskList {
result = []string{
fmt.Sprintf("%s", tname),
fmt.Sprintf("%s", tk.GetSpec()),
fmt.Sprintf("%s", tk.GetStatus()),
fmt.Sprintf("%s", tk.GetPrev().String()),
}
*resultList = append(*resultList, result)
}
content["Fields"] = fields
content["Data"] = resultList
data["Content"] = content
data["Title"] = "Tasks"
tmpl := template.Must(template.New("dashboard").Parse(dashboardTpl))
tmpl = template.Must(tmpl.Parse(tasksTpl))
tmpl = template.Must(tmpl.Parse(defaultScriptsTpl))
tmpl.Execute(rw, data)
}
// adminApp is an http.HandlerFunc map used as beeAdminApp.
type adminApp struct {
routers map[string]http.HandlerFunc
}
// Route adds http.HandlerFunc to adminApp with url pattern.
func (admin *adminApp) Route(pattern string, f http.HandlerFunc) {
admin.routers[pattern] = f
}
// Run adminApp http server.
// Its addr is defined in configuration file as adminhttpaddr and adminhttpport.
func (admin *adminApp) Run() {
if len(toolbox.AdminTaskList) > 0 {
toolbox.StartTask()
}
addr := AdminHttpAddr
if AdminHttpPort != 0 {
addr = fmt.Sprintf("%s:%d", AdminHttpAddr, AdminHttpPort)
}
for p, f := range admin.routers {
http.Handle(p, f)
}
BeeLogger.Info("Admin server Running on %s", addr)
var err error
if Graceful {
err = grace.ListenAndServe(addr, nil)
} else {
err = http.ListenAndServe(addr, nil)
}
if err != nil {
BeeLogger.Critical("Admin ListenAndServe: ", err, fmt.Sprintf("%d", os.Getpid()))
}
}