2 * Copyright (C) 2017-2018 "IoT.bzh"
3 * Author Sebastien Douheret <sebastien@iot.bzh>
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
28 common "gerrit.automotivelinux.org/gerrit/src/xds/xds-common.git/golib"
32 // GlobalConfigFilename Global config filename
33 GlobalConfigFilename = "server-config.json"
34 // ServerDataFilename Server data filename
35 ServerDataFilename = "server-data.xml"
36 // FoldersConfigFilename Folders config filename
37 FoldersConfigFilename = "server-config_folders.xml"
38 // TargetsConfigFilename Targets config filename
39 TargetsConfigFilename = "server-config_targets.xml"
42 // SyncThingConf definition
43 type SyncThingConf struct {
44 BinDir string `json:"binDir"`
45 Home string `json:"home"`
46 GuiAddress string `json:"gui-address"`
47 GuiAPIKey string `json:"gui-apikey"`
48 RescanIntervalS int `json:"rescanIntervalS"`
51 // FileConfig is the JSON structure of xds-server config file (server-config.json)
52 type FileConfig struct {
53 WebAppDir string `json:"webAppDir"`
54 ShareRootDir string `json:"shareRootDir"`
55 SdkScriptsDir string `json:"sdkScriptsDir"`
56 SdkDbUpdate string `json:"sdkDbUpdate"`
57 HTTPPort string `json:"httpPort"`
58 SThgConf *SyncThingConf `json:"syncthing"`
59 LogsDir string `json:"logsDir"`
62 // readGlobalConfig reads configuration from a config file.
63 // Order to determine which config file is used:
64 // 1/ from command line option: "--config myConfig.json"
65 // 2/ $HOME/.xds/server/server-config.json file
66 // 3/ /etc/xds/server/server-config.json file
67 // 4/ <xds-server executable dir>/server-config.json file
68 func readGlobalConfig(c *Config, confFile string) error {
70 searchIn := make([]string, 0, 3)
72 searchIn = append(searchIn, confFile)
74 if _, err := user.Current(); err == nil {
75 searchIn = append(searchIn, path.Join(ConfigRootDir(), GlobalConfigFilename))
78 searchIn = append(searchIn, "/etc/xds/server/server-config.json")
81 ee, _ := os.Executable()
82 exeAbsPath, err := filepath.Abs(ee)
84 exePath, err = filepath.EvalSymlinks(exeAbsPath)
86 exePath = filepath.Dir(ee)
88 exePath = filepath.Dir(exeAbsPath)
91 searchIn = append(searchIn, path.Join(exePath, "server-config.json"))
94 for _, p := range searchIn {
95 if _, err := os.Stat(p); err == nil {
101 // No config file found
104 c.Log.Infof("Use config file: %s", *cFile)
106 // TODO move on viper package to support comments in JSON and also
107 // bind with flags (command line options)
108 // see https://github.com/spf13/viper#working-with-flags
109 fd, _ := os.Open(*cFile)
112 if err := json.NewDecoder(fd).Decode(&fCfg); err != nil {
116 // Support environment variables (IOW ${MY_ENV_VAR} syntax) in server-config.json
122 if fCfg.SThgConf != nil {
123 vars = append(vars, &fCfg.SThgConf.Home, &fCfg.SThgConf.BinDir)
125 for _, field := range vars {
127 if *field, err = common.ResolveEnvVar(*field); err != nil {
132 // Use config file settings else use default config
133 if fCfg.WebAppDir == "" {
134 fCfg.WebAppDir = c.FileConf.WebAppDir
136 if fCfg.ShareRootDir == "" {
137 fCfg.ShareRootDir = c.FileConf.ShareRootDir
139 if fCfg.SdkScriptsDir == "" {
140 fCfg.SdkScriptsDir = c.FileConf.SdkScriptsDir
142 if fCfg.SdkDbUpdate == "" {
143 fCfg.SdkDbUpdate = c.FileConf.SdkDbUpdate
145 if fCfg.HTTPPort == "" {
146 fCfg.HTTPPort = c.FileConf.HTTPPort
148 if fCfg.LogsDir == "" {
149 fCfg.LogsDir = c.FileConf.LogsDir
152 // Resolve webapp dir (support relative or full path)
153 fCfg.WebAppDir = strings.Trim(fCfg.WebAppDir, " ")
154 if !strings.HasPrefix(fCfg.WebAppDir, "/") && exePath != "" {
157 // Check first from current directory
158 for _, rootD := range []string{exePath, cwd} {
159 ff := path.Join(rootD, fCfg.WebAppDir, "index.html")
160 if common.Exists(ff) {
161 fCfg.WebAppDir = path.Join(rootD, fCfg.WebAppDir)
171 func configFilenameGet(cfgFile string) (string, error) {
172 return path.Join(ConfigRootDir(), cfgFile), nil
175 // FoldersConfigFilenameGet Return the FoldersConfig filename
176 func FoldersConfigFilenameGet() (string, error) {
177 return configFilenameGet(FoldersConfigFilename)
180 // TargetsConfigFilenameGet Return the TargetsConfig filename
181 func TargetsConfigFilenameGet() (string, error) {
182 return configFilenameGet(TargetsConfigFilename)
185 // ServerDataFilenameGet Return the ServerData filename
186 func ServerDataFilenameGet() (string, error) {
187 return configFilenameGet(ServerDataFilename)