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