Mercurial > gemma

annotate pkg/config/config.go @ 1334:6a439a92abf7

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Removed public access to config.ConfigFile to make golint happy. The getter was not used anyhow.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sun, 25 Nov 2018 23:44:52 +0100
parents 5443f5c9154c
children a25a4d4a3e6e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1017
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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>
1317
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13 // * Bernhard E. Reiter <bernhard.reiter@intevation.de>
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14
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714787accd26 Fetch database connection string parts from configuration.
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15 package config
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16
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17 import (
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18 "crypto/sha256"
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19 "fmt"
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20 "log"
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21 "sync"
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22
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23 homedir "github.com/mitchellh/go-homedir"
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24 "github.com/spf13/cobra"
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25 "github.com/spf13/viper"
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26
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27 "gemma.intevation.de/gemma/pkg/common"
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28 )
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29
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30 // This is not part of the persistent config.
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31 var configFile string
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32
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33 func DBHost() string { return viper.GetString("db-host") }
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34 func DBPort() uint { return uint(viper.GetInt32("db-port")) }
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35 func DBName() string { return viper.GetString("db-name") }
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36 func DBUser() string { return viper.GetString("db-user") }
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37 func DBPassword() string { return viper.GetString("db-password") }
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38 func DBSSLMode() string { return viper.GetString("db-ssl") }
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39
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40 func SessionStore() string { return viper.GetString("sessions") }
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41
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42 func Web() string { return viper.GetString("web") }
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43 func WebHost() string { return viper.GetString("host") }
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44 func WebPort() uint { return uint(viper.GetInt32("port")) }
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45
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46 func MailHost() string { return viper.GetString("mail-host") }
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47 func MailPort() uint { return uint(viper.GetInt32("mail-port")) }
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48 func MailUser() string { return viper.GetString("mail-user") }
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49 func MailPassword() string { return viper.GetString("mail-password") }
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50 func MailFrom() string { return viper.GetString("mail-from") }
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51 func MailHelo() string { return viper.GetString("mail-helo") }
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52
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53 func AllowedOrigins() []string { return viper.GetStringSlice("allowed-origins") }
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54
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55 func Proxies(key string) map[string]interface{} { return viper.GetStringMap(key) }
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56
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57 func GeoServerURL() string { return viper.GetString("geoserver-url") }
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58 func GeoServerUser() string { return viper.GetString("geoserver-user") }
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59 func GeoServerPassword() string { return viper.GetString("geoserver-password") }
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60 func GeoServerClean() bool { return viper.GetBool("geoserver-clean") }
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61
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62 func TmpDir() string { return viper.GetString("tmp-dir") }
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63
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64 var (
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65 proxyKeyOnce sync.Once
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66 proxyKey []byte
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67
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68 proxyPrefixOnce sync.Once
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69 proxyPrefix string
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70 )
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71
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72 func ProxyKey() []byte {
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73 fetchKey := func() {
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74 if proxyKey == nil {
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75 key := []byte(viper.GetString("proxy-key"))
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76 if len(key) == 0 {
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77 key = common.GenerateRandomKey(64)
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78 }
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79 hash := sha256.New()
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80 hash.Write(key)
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81 proxyKey = hash.Sum(nil)
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82 }
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83 }
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84 proxyKeyOnce.Do(fetchKey)
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85 return proxyKey
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86 }
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87
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88 func ProxyPrefix() string {
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89 fetchPrefix := func() {
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90 if proxyPrefix == "" {
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91 proxyPrefix = fmt.Sprintf("http://%s:%d", WebHost(), WebPort())
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92 }
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93 }
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94 proxyPrefixOnce.Do(fetchPrefix)
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95 return proxyPrefix
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96 }
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97
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98 var RootCmd = &cobra.Command{
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99 Use: "gemma",
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100 Short: "gemma is a server for waterway monitoring and management",
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101 }
119
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102
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103 var allowedOrigins = []string{
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104 // TODO: Fill me!
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105 }
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106
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107 func init() {
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108 cobra.OnInitialize(initConfig)
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109 fl := RootCmd.PersistentFlags()
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110 fl.StringVarP(&configFile, "config", "c", "", "config file (default is $HOME/.gemma.toml)")
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111
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112 vbind := func(name string) { viper.BindPFlag(name, fl.Lookup(name)) }
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113
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114 str := func(name, value, usage string) {
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115 fl.String(name, value, usage)
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116 vbind(name)
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117 }
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118 strP := func(name, shorthand, value, usage string) {
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119 fl.StringP(name, shorthand, value, usage)
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120 vbind(name)
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121 }
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122 ui := func(name string, value uint, usage string) {
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123 fl.Uint(name, value, usage)
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124 vbind(name)
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125 }
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126 uiP := func(name, shorthand string, value uint, usage string) {
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127 fl.UintP(name, shorthand, value, usage)
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128 vbind(name)
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129 }
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130 strSl := func(name string, value []string, usage string) {
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131 fl.StringSlice(name, value, usage)
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132 vbind(name)
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133 }
874
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134 bl := func(name string, value bool, usage string) {
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135 fl.Bool(name, value, usage)
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136 vbind(name)
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137 }
332
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138
517
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139 strP("db-host", "H", "localhost", "host of the database")
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140 uiP("db-port", "P", 5432, "port of the database")
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141 strP("db-name", "d", "gemma", "name of the database")
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142 str("db-user", "meta_login", "Metamorphic database user")
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143 str("db-password", "", "Metamorphic database user password")
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144 strP("db-ssl", "S", "prefer", "SSL mode of the database")
385
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145
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146 strP("sessions", "s", "", "path to the sessions file")
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147
394
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148 strP("web", "w", "./web", "path to the web files")
385
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149 strP("host", "o", "localhost", "host of the web app")
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150 uiP("port", "p", 8000, "port of the web app")
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151
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152 str("mail-host", "localhost", "server to send mail with")
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153 ui("mail-port", 465, "port of server to send mail with")
517
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154 str("mail-user", "gemma", "user to authenticate against mail-host.\n"+
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155 "Leave empty for trying to send without auth.")
385
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156 str("mail-password", "", "password of user to send mail with")
489
8f3f7577fbe7 proxy: fix minor typo in default for --mail-from
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157 str("mail-from", "noreply@localhost", "from line of mails")
385
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158 str("mail-helo", "localhost", "name of server to send mail from.")
332
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159
385
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160 strSl("allowed-origins", allowedOrigins, "allow access for remote origins")
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161
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162 str("geoserver-url", "http://localhost:8080/geoserver", "URL to GeoServer")
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163 str("geoserver-user", "admin", "GeoServer user")
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164 str("geoserver-password", "geoserver", "GeoServer password")
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165 bl("geoserver-clean", false, "Clean GeoServer setup")
408
ac23905e64b1 Improve WFS proxy a lot. It now generates signed re-writings.
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166
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167 str("proxy-key", "", `signing key for proxy URLs. Defaults to random key.`)
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168 str("proxy-prefix", "", `URL prefix of proxy. Defaults to "http://${web-host}:${web-port}"`)
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169
958
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170 str("tmp-dir", "", "Temp directory of gemma server. Defaults to system temp directory.")
1000
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171 }
958
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172
1000
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173 var (
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174 configCond = sync.NewCond(new(sync.Mutex))
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175 configReady bool
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176 )
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177
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178 func Ready() {
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179 configCond.L.Lock()
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180 defer configCond.L.Unlock()
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181 configReady = true
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182 configCond.Broadcast()
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183 }
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184
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185 func WaitReady() {
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186 configCond.L.Lock()
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187 defer configCond.L.Unlock()
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188 for !configReady {
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189 configCond.Wait()
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190 }
332
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191 }
325
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192
332
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193 func initConfig() {
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194 // Don't forget to read config either from cfgFile or from home directory!
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195 if configFile != "" {
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196 // Use config file from the flag.
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197 viper.SetConfigFile(configFile)
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198 } else {
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199 // Find home directory.
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200 home, err := homedir.Dir()
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201 if err != nil {
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diff changeset
202 log.Fatalf("error: %v\n", err)
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203 }
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204
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205 // Search config in home directory with name ".cobra" (without extension).
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206 viper.AddConfigPath(home)
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207 viper.SetConfigName(".gemma")
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208 }
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diff changeset
209 if err := viper.ReadInConfig(); err != nil {
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210 if _, ok := err.(viper.ConfigFileNotFoundError); ok && configFile == "" {
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211 // Don't bother if not found.
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diff changeset
212 return
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213 }
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214 log.Fatalf("Can't read config: %v\n", err)
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215 }
28
714787accd26 Fetch database connection string parts from configuration.
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parents:
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216 }