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107 lines
3 KiB
Go
107 lines
3 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package main
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import (
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"os"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"github.com/urfave/cli"
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)
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func main() {
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app := cli.NewApp()
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app.Name = "environment-to-ini"
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app.Usage = "Use provided environment to update configuration ini"
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app.Description = `As a helper to allow docker users to update the gitea configuration
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through the environment, this command allows environment variables to
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be mapped to values in the ini.
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Environment variables of the form "GITEA__SECTION_NAME__KEY_NAME"
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will be mapped to the ini section "[section_name]" and the key
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"KEY_NAME" with the value as provided.
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Environment variables of the form "GITEA__SECTION_NAME__KEY_NAME__FILE"
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will be mapped to the ini section "[section_name]" and the key
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"KEY_NAME" with the value loaded from the specified file.
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Environment variables are usually restricted to a reduced character
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set "0-9A-Z_" - in order to allow the setting of sections with
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characters outside of that set, they should be escaped as following:
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"_0X2E_" for ".". The entire section and key names can be escaped as
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a UTF8 byte string if necessary. E.g. to configure:
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"""
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...
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[log.console]
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COLORIZE=false
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STDERR=true
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...
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"""
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You would set the environment variables: "GITEA__LOG_0x2E_CONSOLE__COLORIZE=false"
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and "GITEA__LOG_0x2E_CONSOLE__STDERR=false". Other examples can be found
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on the configuration cheat sheet.`
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app.Flags = []cli.Flag{
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cli.StringFlag{
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Name: "custom-path, C",
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Value: setting.CustomPath,
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Usage: "Custom path file path",
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},
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cli.StringFlag{
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Name: "config, c",
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Value: setting.CustomConf,
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Usage: "Custom configuration file path",
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},
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cli.StringFlag{
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Name: "work-path, w",
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Value: setting.AppWorkPath,
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Usage: "Set the gitea working path",
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},
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cli.StringFlag{
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Name: "out, o",
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Value: "",
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Usage: "Destination file to write to",
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},
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}
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app.Action = runEnvironmentToIni
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err := app.Run(os.Args)
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if err != nil {
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log.Fatal("Failed to run app with %s: %v", os.Args, err)
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}
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}
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func runEnvironmentToIni(c *cli.Context) error {
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// the config system may change the environment variables, so get a copy first, to be used later
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env := append([]string{}, os.Environ()...)
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setting.InitWorkPathAndCfgProvider(os.Getenv, setting.ArgWorkPathAndCustomConf{
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WorkPath: c.String("work-path"),
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CustomPath: c.String("custom-path"),
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CustomConf: c.String("config"),
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})
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cfg, err := setting.NewConfigProviderFromFile(setting.CustomConf)
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if err != nil {
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log.Fatal("Failed to load custom conf '%s': %v", setting.CustomConf, err)
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}
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changed := setting.EnvironmentToConfig(cfg, env)
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// try to save the config file
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destination := c.String("out")
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if len(destination) == 0 {
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destination = setting.CustomConf
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}
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if destination != setting.CustomConf || changed {
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log.Info("Settings saved to: %q", destination)
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err = cfg.SaveTo(destination)
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if err != nil {
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return err
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}
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}
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return nil
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}
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