/
configurator.go
110 lines (95 loc) · 2.87 KB
/
configurator.go
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// Copyright © 2016 NAME HERE <EMAIL ADDRESS>
//
// 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 cmd
import (
"log"
"net/http"
"strconv"
"text/template"
"github.com/pressly/chi"
"github.com/pressly/chi/middleware"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/pkg/api/v1"
"k8s.io/client-go/rest"
)
var configuratorCmd = &cobra.Command{
Use: "configurator",
Short: "A brief description of your command",
Long: `A longer description that spans multiple lines and likely contains examples
and usage of using your command. For example:
Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.`,
Run: configurator,
}
func init() {
RootCmd.AddCommand(configuratorCmd)
configuratorCmd.Flags().String("cluster-url", "localhost:8080", "Your k8s cluster")
if err := viper.BindPFlag("cluster-url", configuratorCmd.Flags().Lookup("cluster-url")); err != nil {
log.Fatal(err)
}
}
func configurator(cmd *cobra.Command, args []string) {
config, err := rest.InClusterConfig()
if err != nil {
panic(err.Error())
}
// creates the clientset
clientset, erre := kubernetes.NewForConfig(config)
if erre != nil {
panic(err.Error())
}
r := chi.NewRouter()
r.Use(middleware.RequestID)
r.Use(middleware.Logger)
r.Use(middleware.Recoverer)
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
if _, err := w.Write([]byte("please provide a player name")); err != nil {
http.Error(w, err.Error(), 500)
return
}
})
r.Get("/:playerID", func(w http.ResponseWriter, r *http.Request) {
playerID := chi.URLParam(r, "playerID")
p := player{
ID: playerID,
Namespace: "player-" + playerID,
ClusterURL: viper.GetString("cluster-url"),
}
ns := v1.Namespace{
ObjectMeta: v1.ObjectMeta{
Name: p.Namespace,
Labels: map[string]string{"player": "true"},
},
}
if _, err := clientset.Core().Namespaces().Create(&ns); err != nil {
http.Error(w, err.Error(), 500)
return
}
t, err := template.ParseFiles("/templates/config.sh")
if err != nil {
http.Error(w, err.Error(), 500)
return
}
if err := t.Execute(w, p); err != nil {
http.Error(w, err.Error(), 500)
return
}
})
if err := http.ListenAndServe(":"+strconv.Itoa(viper.GetInt("port")), r); err != nil {
log.Fatal(err)
}
}