mirror of
https://github.com/Luzifer/mondash.git
synced 2024-12-22 20:11:18 +00:00
104 lines
2.9 KiB
Go
104 lines
2.9 KiB
Go
package main
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import (
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"crypto/md5"
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"fmt"
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"net/http"
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"os"
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"time"
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"github.com/gorilla/mux"
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log "github.com/sirupsen/logrus"
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httphelper "github.com/Luzifer/go_helpers/v2/http"
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"github.com/Luzifer/mondash/storage"
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"github.com/Luzifer/rconfig/v2"
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)
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var (
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store storage.Storage
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cfg = struct {
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APIToken string `flag:"api-token" env:"API_TOKEN" description:"API Token used for the /welcome dashboard (you can choose your own)"`
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BaseURL string `flag:"baseurl" env:"BASE_URL" default:"http://127.0.0.1:3000" description:"The Base-URL the application is running on for example https://mondash.org"`
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FrontendDir string `flag:"frontend-dir" default:"./frontend" description:"Directory to serve frontend assets from"`
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Storage string `flag:"storage" default:"file:///data" description:"Storage engine to use"`
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Listen string `flag:"listen" default:":3000" description:"Address to listen on"`
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LogLevel string `flag:"log-level" default:"info" description:"Set log level (debug, info, warning, error)"`
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VersionAndExit bool `flag:"version" default:"false" description:"Prints current version and exits"`
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}{}
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version = "dev"
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)
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func init() {
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rconfig.AutoEnv(true)
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if err := rconfig.ParseAndValidate(&cfg); err != nil {
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log.Fatalf("Unable to parse commandline options: %s", err)
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}
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if l, err := log.ParseLevel(cfg.LogLevel); err == nil {
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log.SetLevel(l)
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} else {
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log.Fatalf("Invalid log level: %s", err)
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}
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if cfg.VersionAndExit {
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fmt.Printf("share %s\n", version)
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os.Exit(0)
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}
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}
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func main() {
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var err error
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if store, err = storage.GetStorage(cfg.Storage); err != nil {
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log.WithError(err).Fatal("Unable to load storage handler")
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}
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r := mux.NewRouter()
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r.Use( // Sort: Outermost to innermost wrapper
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httphelper.NewHTTPLogHandler,
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httphelper.GzipHandler,
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genericHeader,
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)
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r.HandleFunc("/", handleRedirectWelcome).
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Methods(http.MethodGet)
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r.HandleFunc("/app.js", handleAppJS).
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Methods(http.MethodGet)
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r.HandleFunc("/create", handleCreateRandomDashboard).
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Methods(http.MethodGet)
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r.HandleFunc("/{dashid}.json", handleDisplayDashboardJSON).
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Methods(http.MethodGet)
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r.HandleFunc("/{dashid}", handleDisplayDashboard).
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Methods(http.MethodGet)
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r.HandleFunc("/{dashid}/{metricid}", handlePutMetric).
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Methods(http.MethodPut)
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r.HandleFunc("/{dashid}", handleDeleteDashboard).
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Methods(http.MethodDelete)
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r.HandleFunc("/{dashid}/{metricid}", handleDeleteMetric).
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Methods(http.MethodDelete)
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go runWelcomePage()
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if err := http.ListenAndServe(cfg.Listen, r); err != nil {
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log.WithError(err).Fatal("HTTP server ended unexpectedly")
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}
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}
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func genericHeader(h http.Handler) http.Handler {
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return http.HandlerFunc(func(res http.ResponseWriter, r *http.Request) {
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res.Header().Set("X-Application-Version", version)
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h.ServeHTTP(res, r)
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})
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}
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func generateAPIKey() string {
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t := time.Now().String()
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sum := md5.Sum([]byte(t))
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return fmt.Sprintf("%x", sum)
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}
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