Mercurial > gemma

annotate cmd/gemma/main.go @ 1032:4c0c4dd393de

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Be more consistent with info/warn/error messages when logging.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 24 Oct 2018 15:36:00 +0200
parents a244b18cb916
children b27759d0cdff
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1017
a244b18cb916 Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
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1 // This is Free Software under GNU Affero General Public License v >= 3.0
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2 // without warranty, see README.md and license for details.
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3 //
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4 // SPDX-License-Identifier: AGPL-3.0-or-later
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5 // License-Filename: LICENSES/AGPL-3.0.txt
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6 //
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7 // Copyright (C) 2018 by via donau
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH
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9 // Software engineering by Intevation GmbH
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10 //
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11 // Author(s):
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12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de>
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13
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14 package main
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15
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16 import (
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17 "context"
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18 "fmt"
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19 "log"
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20 "net/http"
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21 "os"
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22 "os/signal"
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23 "path/filepath"
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24 "syscall"
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25
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26 "github.com/gorilla/mux"
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27 "github.com/rs/cors"
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28 "github.com/spf13/cobra"
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29
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30 "gemma.intevation.de/gemma/pkg/auth"
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31 "gemma.intevation.de/gemma/pkg/config"
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32 "gemma.intevation.de/gemma/pkg/controllers"
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33 "gemma.intevation.de/gemma/pkg/geoserver"
332
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34 )
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35
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36 func prepareSessionStore() {
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37 // Install session store
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38 ss, err := auth.NewSessionStore(config.SessionStore())
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39 if err != nil {
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40 log.Fatalf("Error with session store: %v\n", err)
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41 }
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42 auth.Sessions = ss
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43 }
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44
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45 func start(cmd *cobra.Command, args []string) {
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46
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47 config.Ready()
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48
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49 web, err := filepath.Abs(config.Web())
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50 if err != nil {
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51 log.Fatalf("error: %v\n", err)
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52 }
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53
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54 prepareSessionStore()
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55
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56 // Do GeoServer setup in background.
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57 geoserver.Reconfigure(geoserver.PrepareGeoServer)
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58
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59 m := mux.NewRouter()
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60 controllers.BindRoutes(m)
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61
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62 m.PathPrefix("/").Handler(http.FileServer(http.Dir(web)))
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63
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64 addr := fmt.Sprintf("%s:%d", config.WebHost(), config.WebPort())
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65 log.Printf("info: listen on %s\n", addr)
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66
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67 var h http.Handler
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68
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69 if al := config.AllowedOrigins(); len(al) > 0 {
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70 c := cors.New(cors.Options{
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71 AllowedOrigins: al,
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72 Debug: true,
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73 })
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74 h = c.Handler(m)
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75 } else {
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76 h = m
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77 }
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78
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79 server := http.Server{Addr: addr, Handler: h}
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80
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81 done := make(chan error)
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82
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83 go func() {
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84 defer close(done)
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85 done <- server.ListenAndServe()
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86 }()
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87
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88 sigChan := make(chan os.Signal)
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89 signal.Notify(sigChan, os.Interrupt, os.Kill, syscall.SIGTERM)
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90
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91 select {
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92 case err := <-done:
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93 if err != nil && err != http.ErrServerClosed {
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94 log.Fatalf("error: %v\n", err)
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95 }
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96 case <-sigChan:
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97 }
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98
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99 server.Shutdown(context.Background())
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100
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101 <-done
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102
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103 if err := auth.Sessions.Shutdown(); err != nil {
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104 log.Fatalf("error: %v\n", err)
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105 }
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106 }
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107
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108 func main() {
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109 config.RootCmd.Run = start
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110 if err := config.RootCmd.Execute(); err != nil {
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111 log.Fatalln(err)
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112 }
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113 }