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Intorduce "config edit-ini" sub command to help maintaining INI config file (#35735)

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Ref: #32669. Helps addressing
https://gitea.com/gitea/helm-chart/issues/356.
This commit is contained in:
wxiaoguang
2025-10-25 10:54:55 +08:00
committed by GitHub
parent 0d740a6a72
commit cb72c901b3
10 changed files with 260 additions and 175 deletions
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47
contrib/environment-to-ini/README
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Environment To Ini
==================
Multiple docker users have requested that the Gitea docker is changed
to permit arbitrary configuration via environment variables.
Gitea needs to use an ini file for configuration because the running
environment that starts the docker may not be the same as that used
by the hooks. An ini file also gives a good default and means that
users do not have to completely provide a full environment.
With those caveats above, this command provides a generic way of
converting suitably structured environment variables into any ini
value.
To use the command is very simple just run it and the default gitea
app.ini will be rewritten to take account of the variables provided,
however there are various options to give slightly different
behavior and these can be interrogated with the `-h` option.
The environment variables should be of the form:
GITEA__SECTION_NAME__KEY_NAME
Note, SECTION_NAME in the notation above is case-insensitive.
Environment variables are usually restricted to a reduced character
set "0-9A-Z_" - in order to allow the setting of sections with
characters outside of that set, they should be escaped as following:
"_0X2E_" for "." and "_0X2D_" for "-". The entire section and key names
can be escaped as a UTF8 byte string if necessary. E.g. to configure:
"""
...
[log.console]
COLORIZE=false
STDERR=true
...
"""
You would set the environment variables: "GITEA__LOG_0x2E_CONSOLE__COLORIZE=false"
and "GITEA__LOG_0x2E_CONSOLE__STDERR=false". Other examples can be found
on the configuration cheat sheet.
To build locally, run:
go build contrib/environment-to-ini/environment-to-ini.go

112
contrib/environment-to-ini/environment-to-ini.go
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// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package main
import (
"context"
"os"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"github.com/urfave/cli/v3"
)
func main() {
app := cli.Command{}
app.Name = "environment-to-ini"
app.Usage = "Use provided environment to update configuration ini"
app.Description = `As a helper to allow docker users to update the gitea configuration
through the environment, this command allows environment variables to
be mapped to values in the ini.
Environment variables of the form "GITEA__SECTION_NAME__KEY_NAME"
will be mapped to the ini section "[section_name]" and the key
"KEY_NAME" with the value as provided.
Environment variables of the form "GITEA__SECTION_NAME__KEY_NAME__FILE"
will be mapped to the ini section "[section_name]" and the key
"KEY_NAME" with the value loaded from the specified file.
Environment variables are usually restricted to a reduced character
set "0-9A-Z_" - in order to allow the setting of sections with
characters outside of that set, they should be escaped as following:
"_0X2E_" for ".". The entire section and key names can be escaped as
a UTF8 byte string if necessary. E.g. to configure:
"""
...
[log.console]
COLORIZE=false
STDERR=true
...
"""
You would set the environment variables: "GITEA__LOG_0x2E_CONSOLE__COLORIZE=false"
and "GITEA__LOG_0x2E_CONSOLE__STDERR=false". Other examples can be found
on the configuration cheat sheet.`
app.Flags = []cli.Flag{
&cli.StringFlag{
Name: "custom-path",
Aliases: []string{"C"},
Value: setting.CustomPath,
Usage: "Custom path file path",
},
&cli.StringFlag{
Name: "config",
Aliases: []string{"c"},
Value: setting.CustomConf,
Usage: "Custom configuration file path",
},
&cli.StringFlag{
Name: "work-path",
Aliases: []string{"w"},
Value: setting.AppWorkPath,
Usage: "Set the gitea working path",
},
&cli.StringFlag{
Name: "out",
Aliases: []string{"o"},
Value: "",
Usage: "Destination file to write to",
},
}
app.Action = runEnvironmentToIni
err := app.Run(context.Background(), os.Args)
if err != nil {
log.Fatal("Failed to run app with %s: %v", os.Args, err)
}
}
func runEnvironmentToIni(_ context.Context, c *cli.Command) error {
// the config system may change the environment variables, so get a copy first, to be used later
env := append([]string{}, os.Environ()...)
setting.InitWorkPathAndCfgProvider(os.Getenv, setting.ArgWorkPathAndCustomConf{
WorkPath: c.String("work-path"),
CustomPath: c.String("custom-path"),
CustomConf: c.String("config"),
})
cfg, err := setting.NewConfigProviderFromFile(setting.CustomConf)
if err != nil {
log.Fatal("Failed to load custom conf '%s': %v", setting.CustomConf, err)
}
changed := setting.EnvironmentToConfig(cfg, env)
// try to save the config file
destination := c.String("out")
if len(destination) == 0 {
destination = setting.CustomConf
}
if destination != setting.CustomConf || changed {
log.Info("Settings saved to: %q", destination)
err = cfg.SaveTo(destination)
if err != nil {
return err
}
}
return nil
}