Mercurial > gemma

annotate pkg/config/config.go @ 1317:5443f5c9154c

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Added missing authors names in Go files.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sat, 24 Nov 2018 10:32:06 +0100
parents a244b18cb916
children 6a439a92abf7
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 ConfigFile() string { return configFile }
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34
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35 func DBHost() string { return viper.GetString("db-host") }
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36 func DBPort() uint { return uint(viper.GetInt32("db-port")) }
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37 func DBName() string { return viper.GetString("db-name") }
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38 func DBUser() string { return viper.GetString("db-user") }
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39 func DBPassword() string { return viper.GetString("db-password") }
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40 func DBSSLMode() string { return viper.GetString("db-ssl") }
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41
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42 func SessionStore() string { return viper.GetString("sessions") }
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43
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44 func Web() string { return viper.GetString("web") }
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45 func WebHost() string { return viper.GetString("host") }
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46 func WebPort() uint { return uint(viper.GetInt32("port")) }
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47
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48 func MailHost() string { return viper.GetString("mail-host") }
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49 func MailPort() uint { return uint(viper.GetInt32("mail-port")) }
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50 func MailUser() string { return viper.GetString("mail-user") }
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51 func MailPassword() string { return viper.GetString("mail-password") }
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52 func MailFrom() string { return viper.GetString("mail-from") }
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53 func MailHelo() string { return viper.GetString("mail-helo") }
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54
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55 func AllowedOrigins() []string { return viper.GetStringSlice("allowed-origins") }
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56
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57 func Proxies(key string) map[string]interface{} { return viper.GetStringMap(key) }
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58
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59 func GeoServerURL() string { return viper.GetString("geoserver-url") }
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60 func GeoServerUser() string { return viper.GetString("geoserver-user") }
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61 func GeoServerPassword() string { return viper.GetString("geoserver-password") }
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62 func GeoServerClean() bool { return viper.GetBool("geoserver-clean") }
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64 func TmpDir() string { return viper.GetString("tmp-dir") }
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65
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66 var (
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67 proxyKeyOnce sync.Once
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68 proxyKey []byte
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69
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70 proxyPrefixOnce sync.Once
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71 proxyPrefix string
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72 )
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73
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74 func ProxyKey() []byte {
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75 fetchKey := func() {
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76 if proxyKey == nil {
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77 key := []byte(viper.GetString("proxy-key"))
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78 if len(key) == 0 {
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79 key = common.GenerateRandomKey(64)
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80 }
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81 hash := sha256.New()
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82 hash.Write(key)
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83 proxyKey = hash.Sum(nil)
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84 }
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85 }
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86 proxyKeyOnce.Do(fetchKey)
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87 return proxyKey
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88 }
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89
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90 func ProxyPrefix() string {
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91 fetchPrefix := func() {
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92 if proxyPrefix == "" {
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93 proxyPrefix = fmt.Sprintf("http://%s:%d", WebHost(), WebPort())
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94 }
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95 }
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96 proxyPrefixOnce.Do(fetchPrefix)
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97 return proxyPrefix
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98 }
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99
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100 var RootCmd = &cobra.Command{
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101 Use: "gemma",
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102 Short: "gemma is a server for waterway monitoring and management",
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103 }
119
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104
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105 var allowedOrigins = []string{
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106 // TODO: Fill me!
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107 }
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108
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109 func init() {
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110 cobra.OnInitialize(initConfig)
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111 fl := RootCmd.PersistentFlags()
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112 fl.StringVarP(&configFile, "config", "c", "", "config file (default is $HOME/.gemma.toml)")
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113
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114 vbind := func(name string) { viper.BindPFlag(name, fl.Lookup(name)) }
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115
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116 str := func(name, value, usage string) {
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117 fl.String(name, value, usage)
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118 vbind(name)
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119 }
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120 strP := func(name, shorthand, value, usage string) {
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121 fl.StringP(name, shorthand, value, usage)
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122 vbind(name)
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123 }
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124 ui := func(name string, value uint, usage string) {
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125 fl.Uint(name, value, usage)
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126 vbind(name)
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127 }
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128 uiP := func(name, shorthand string, value uint, usage string) {
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129 fl.UintP(name, shorthand, value, usage)
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130 vbind(name)
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131 }
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132 strSl := func(name string, value []string, usage string) {
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133 fl.StringSlice(name, value, usage)
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134 vbind(name)
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135 }
874
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136 bl := func(name string, value bool, usage string) {
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137 fl.Bool(name, value, usage)
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138 vbind(name)
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139 }
332
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140
517
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141 strP("db-host", "H", "localhost", "host of the database")
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142 uiP("db-port", "P", 5432, "port of the database")
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143 strP("db-name", "d", "gemma", "name of the database")
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144 str("db-user", "meta_login", "Metamorphic database user")
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145 str("db-password", "", "Metamorphic database user password")
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146 strP("db-ssl", "S", "prefer", "SSL mode of the database")
385
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147
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148 strP("sessions", "s", "", "path to the sessions file")
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149
394
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150 strP("web", "w", "./web", "path to the web files")
385
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151 strP("host", "o", "localhost", "host of the web app")
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152 uiP("port", "p", 8000, "port of the web app")
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153
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154 str("mail-host", "localhost", "server to send mail with")
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155 ui("mail-port", 465, "port of server to send mail with")
517
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156 str("mail-user", "gemma", "user to authenticate against mail-host.\n"+
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157 "Leave empty for trying to send without auth.")
385
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158 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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159 str("mail-from", "noreply@localhost", "from line of mails")
385
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160 str("mail-helo", "localhost", "name of server to send mail from.")
332
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161
385
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162 strSl("allowed-origins", allowedOrigins, "allow access for remote origins")
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163
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164 str("geoserver-url", "http://localhost:8080/geoserver", "URL to GeoServer")
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165 str("geoserver-user", "admin", "GeoServer user")
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166 str("geoserver-password", "geoserver", "GeoServer password")
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167 bl("geoserver-clean", false, "Clean GeoServer setup")
408
ac23905e64b1 Improve WFS proxy a lot. It now generates signed re-writings.
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168
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169 str("proxy-key", "", `signing key for proxy URLs. Defaults to random key.`)
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170 str("proxy-prefix", "", `URL prefix of proxy. Defaults to "http://${web-host}:${web-port}"`)
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171
958
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172 str("tmp-dir", "", "Temp directory of gemma server. Defaults to system temp directory.")
1000
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173 }
958
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174
1000
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175 var (
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176 configCond = sync.NewCond(new(sync.Mutex))
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177 configReady bool
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178 )
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179
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180 func Ready() {
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181 configCond.L.Lock()
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182 defer configCond.L.Unlock()
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183 configReady = true
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184 configCond.Broadcast()
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185 }
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186
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187 func WaitReady() {
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188 configCond.L.Lock()
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189 defer configCond.L.Unlock()
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190 for !configReady {
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191 configCond.Wait()
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192 }
332
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193 }
325
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194
332
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195 func initConfig() {
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196 // Don't forget to read config either from cfgFile or from home directory!
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197 if configFile != "" {
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198 // Use config file from the flag.
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199 viper.SetConfigFile(configFile)
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200 } else {
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201 // Find home directory.
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202 home, err := homedir.Dir()
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203 if err != nil {
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diff changeset
204 log.Fatalf("error: %v\n", err)
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205 }
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206
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207 // Search config in home directory with name ".cobra" (without extension).
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208 viper.AddConfigPath(home)
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209 viper.SetConfigName(".gemma")
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210 }
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diff changeset
211 if err := viper.ReadInConfig(); err != nil {
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212 if _, ok := err.(viper.ConfigFileNotFoundError); ok && configFile == "" {
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213 // Don't bother if not found.
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diff changeset
214 return
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215 }
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216 log.Fatalf("Can't read config: %v\n", err)
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217 }
28
714787accd26 Fetch database connection string parts from configuration.
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parents:
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218 }