1
0
Fork 0
mirror of https://github.com/Luzifer/mondash.git synced 2024-11-09 16:10:01 +00:00
mondash/main.go
Knut Ahlers fadd08d920
Extract required filter from pongo2-addons
Current version of pongo2-addons only works with master branch and is
not versioned. Also current version of prongo2-addons contains errors
related to markdown parser which is not used within mondash.

Signed-off-by: Knut Ahlers <knut@ahlers.me>
2017-11-22 21:55:05 +01:00

98 lines
2.3 KiB
Go

package main
import (
"crypto/md5"
"fmt"
"io/ioutil"
"log"
"net/http"
"time"
"github.com/Luzifer/mondash/config"
"github.com/Luzifer/mondash/storage"
"github.com/flosch/pongo2"
"github.com/gorilla/mux"
_ "github.com/Luzifer/mondash/filters"
)
var (
templates = make(map[string]*pongo2.Template)
store storage.Storage
cfg *config.Config
version string
)
func main() {
preloadTemplates()
var err error
cfg = config.Load()
store, err = storage.GetStorage(cfg)
if err != nil {
fmt.Printf("An error occurred while loading the storage handler: %s", err)
}
r := mux.NewRouter()
r.HandleFunc("/", handleRedirectWelcome).
Methods("GET")
r.HandleFunc("/create", handleCreateRandomDashboard).
Methods("GET")
r.HandleFunc("/{dashid}.json", handleDisplayDashboardJSON).
Methods("GET")
r.HandleFunc("/{dashid}", handleDisplayDashboard).
Methods("GET")
r.HandleFunc("/{dashid}/{metricid}", handlePutMetric).
Methods("PUT")
r.HandleFunc("/{dashid}", handleDeleteDashboard).
Methods("DELETE")
r.HandleFunc("/{dashid}/{metricid}", handleDeleteMetric).
Methods("DELETE")
go runWelcomePage(cfg)
http.Handle("/", logHTTPRequest(r))
http.ListenAndServe(cfg.Listen, nil)
}
func logHTTPRequest(h http.Handler) http.Handler {
return http.HandlerFunc(func(res http.ResponseWriter, r *http.Request) {
start := time.Now().UnixNano()
w := NewLogResponseWriter(res)
w.Header().Set("X-Application-Version", version)
h.ServeHTTP(w, r)
d := (time.Now().UnixNano() - start) / 1000
log.Printf("%s %s %d %dµs %dB\n", r.Method, r.URL.Path, w.Status, d, w.Size)
})
}
func generateAPIKey() string {
t := time.Now().String()
sum := md5.Sum([]byte(t))
return fmt.Sprintf("%x", sum)
}
func renderTemplate(templateName string, context pongo2.Context, res http.ResponseWriter) {
if tpl, ok := templates[templateName]; ok {
_ = tpl.ExecuteWriter(context, res)
} else {
res.WriteHeader(http.StatusInternalServerError)
_, _ = res.Write([]byte(fmt.Sprintf("Template %s not found!", templateName)))
}
}
func preloadTemplates() {
templateNames, err := ioutil.ReadDir("templates")
if err != nil {
panic("Templates directory not available!")
}
for _, tplname := range templateNames {
templates[tplname.Name()] = pongo2.Must(pongo2.FromFile(fmt.Sprintf("templates/%s", tplname.Name())))
}
}