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[chore] Global server configuration overhaul (#575)

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* move config flag names and usage to config package, rewrite config package to use global Configuration{} struct

Signed-off-by: kim <grufwub@gmail.com>

* improved code comment

Signed-off-by: kim <grufwub@gmail.com>

* linter

Signed-off-by: kim <grufwub@gmail.com>

* fix unmarshaling

Signed-off-by: kim <grufwub@gmail.com>

* remove kim's custom go compiler changes

Signed-off-by: kim <grufwub@gmail.com>

* generate setter and flag-name functions, implement these in codebase

Signed-off-by: kim <grufwub@gmail.com>

* update deps

Signed-off-by: kim <grufwub@gmail.com>

* small change

Signed-off-by: kim <grufwub@gmail.com>

* appease the linter...

Signed-off-by: kim <grufwub@gmail.com>

* move configuration into ConfigState structure, ensure reloading to/from viper settings to keep in sync

Signed-off-by: kim <grufwub@gmail.com>

* lint

Signed-off-by: kim <grufwub@gmail.com>

* update code comments

Signed-off-by: kim <grufwub@gmail.com>

* fix merge issue

Signed-off-by: kim <grufwub@gmail.com>

* fix merge issue

Signed-off-by: kim <grufwub@gmail.com>

* improved version string (removes time + go version)

Signed-off-by: kim <grufwub@gmail.com>

* fix version string build to pass test script + consolidate logic in func

Signed-off-by: kim <grufwub@gmail.com>

* add license text, update config.Defaults comment

Signed-off-by: kim <grufwub@gmail.com>

* add license text to generated config helpers file

Signed-off-by: kim <grufwub@gmail.com>

* defer unlock on config.Set___(), to ensure unlocked on panic

Signed-off-by: kim <grufwub@gmail.com>

* make it more obvious which cmd flags are being attached

Signed-off-by: kim <grufwub@gmail.com>
This commit is contained in:
kim
2022-05-30 13:41:24 +01:00
committed by GitHub
parent ae5402ada6
commit 43ac0cdb9c
90 changed files with 2450 additions and 1125 deletions
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139
internal/config/config.go Normal file
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/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package config
import (
"reflect"
"github.com/mitchellh/mapstructure"
)
// cfgtype is the reflected type information of Configuration{}.
var cfgtype = reflect.TypeOf(Configuration{})
// fieldtag will fetch the string value for the given tag name
// on the given field name in the Configuration{} struct.
func fieldtag(field, tag string) string {
sfield, ok := cfgtype.FieldByName(field)
if !ok {
panic("unknown struct field")
}
return sfield.Tag.Get(tag)
}
// Configuration represents global GTS server runtime configuration.
//
// Please note that if you update this struct's fields or tags, you
// will need to regenerate the global Getter/Setter helpers by running:
// `go run ./internal/config/gen/ -out ./internal/config/helpers.gen.go`
type Configuration struct {
LogLevel string `name:"log-level" usage:"Log level to run at: [trace, debug, info, warn, fatal]"`
LogDbQueries bool `name:"log-db-queries" usage:"Log database queries verbosely when log-level is trace or debug"`
ApplicationName string `name:"application-name" usage:"Name of the application, used in various places internally"`
ConfigPath string `name:"config-path" usage:"Path to a file containing gotosocial configuration. Values set in this file will be overwritten by values set as env vars or arguments"`
Host string `name:"host" usage:"Hostname to use for the server (eg., example.org, gotosocial.whatever.com). DO NOT change this on a server that's already run!"`
AccountDomain string `name:"account-domain" usage:"Domain to use in account names (eg., example.org, whatever.com). If not set, will default to the setting for host. DO NOT change this on a server that's already run!"`
Protocol string `name:"protocol" usage:"Protocol to use for the REST api of the server (only use http if you are debugging or behind a reverse proxy!)"`
BindAddress string `name:"bind-address" usage:"Bind address to use for the GoToSocial server (eg., 0.0.0.0, 172.138.0.9, [::], localhost). For ipv6, enclose the address in square brackets, eg [2001:db8::fed1]. Default binds to all interfaces."`
Port int `name:"port" usage:"Port to use for GoToSocial. Change this to 443 if you're running the binary directly on the host machine."`
TrustedProxies []string `name:"trusted-proxies" usage:"Proxies to trust when parsing x-forwarded headers into real IPs."`
SoftwareVersion string `name:"software-version" usage:""`
DbType string `name:"db-type" usage:"Database type: eg., postgres"`
DbAddress string `name:"db-address" usage:"Database ipv4 address, hostname, or filename"`
DbPort int `name:"db-port" usage:"Database port"`
DbUser string `name:"db-user" usage:"Database username"`
DbPassword string `name:"db-password" usage:"Database password"`
DbDatabase string `name:"db-database" usage:"Database name"`
DbTLSMode string `name:"db-tls-mode" usage:"Database tls mode"`
DbTLSCACert string `name:"db-tls-ca-cert" usage:"Path to CA cert for db tls connection"`
WebTemplateBaseDir string `name:"web-template-base-dir" usage:"Basedir for html templating files for rendering pages and composing emails."`
WebAssetBaseDir string `name:"web-asset-base-dir" usage:"Directory to serve static assets from, accessible at example.org/assets/"`
AccountsRegistrationOpen bool `name:"accounts-registration-open" usage:"Allow anyone to submit an account signup request. If false, server will be invite-only."`
AccountsApprovalRequired bool `name:"accounts-approval-required" usage:"Do account signups require approval by an admin or moderator before user can log in? If false, new registrations will be automatically approved."`
AccountsReasonRequired bool `name:"accounts-reason-required" usage:"Do new account signups require a reason to be submitted on registration?"`
MediaImageMaxSize int `name:"media-image-max-size" usage:"Max size of accepted images in bytes"`
MediaVideoMaxSize int `name:"media-video-max-size" usage:"Max size of accepted videos in bytes"`
MediaDescriptionMinChars int `name:"media-description-min-chars" usage:"Min required chars for an image description"`
MediaDescriptionMaxChars int `name:"media-description-max-chars" usage:"Max permitted chars for an image description"`
MediaRemoteCacheDays int `name:"media-remote-cache-days" usage:"Number of days to locally cache media from remote instances. If set to 0, remote media will be kept indefinitely."`
StorageBackend string `name:"storage-backend" usage:"Storage backend to use for media attachments"`
StorageLocalBasePath string `name:"storage-local-base-path" usage:"Full path to an already-created directory where gts should store/retrieve media files. Subfolders will be created within this dir."`
StatusesMaxChars int `name:"statuses-max-chars" usage:"Max permitted characters for posted statuses"`
StatusesCWMaxChars int `name:"statuses-cw-max-chars" usage:"Max permitted characters for content/spoiler warnings on statuses"`
StatusesPollMaxOptions int `name:"statuses-poll-max-options" usage:"Max amount of options permitted on a poll"`
StatusesPollOptionMaxChars int `name:"statuses-poll-option-max-chars" usage:"Max amount of characters for a poll option"`
StatusesMediaMaxFiles int `name:"statuses-media-max-files" usage:"Maximum number of media files/attachments per status"`
LetsEncryptEnabled bool `name:"letsencrypt-enabled" usage:"Enable letsencrypt TLS certs for this server. If set to true, then cert dir also needs to be set (or take the default)."`
LetsEncryptPort int `name:"letsencrypt-port" usage:"Port to listen on for letsencrypt certificate challenges. Must not be the same as the GtS webserver/API port."`
LetsEncryptCertDir string `name:"letsencrypt-cert-dir" usage:"Directory to store acquired letsencrypt certificates."`
LetsEncryptEmailAddress string `name:"letsencrypt-email-address" usage:"Email address to use when requesting letsencrypt certs. Will receive updates on cert expiry etc."`
OIDCEnabled bool `name:"oidc-enabled" usage:"Enabled OIDC authorization for this instance. If set to true, then the other OIDC flags must also be set."`
OIDCIdpName string `name:"oidc-idp-name" usage:"Name of the OIDC identity provider. Will be shown to the user when logging in."`
OIDCSkipVerification bool `name:"oidc-skip-verification" usage:"Skip verification of tokens returned by the OIDC provider. Should only be set to 'true' for testing purposes, never in a production environment!"`
OIDCIssuer string `name:"oidc-issuer" usage:"Address of the OIDC issuer. Should be the web address, including protocol, at which the issuer can be reached. Eg., 'https://example.org/auth'"`
OIDCClientID string `name:"oidc-client-id" usage:"ClientID of GoToSocial, as registered with the OIDC provider."`
OIDCClientSecret string `name:"oidc-client-secret" usage:"ClientSecret of GoToSocial, as registered with the OIDC provider."`
OIDCScopes []string `name:"oidc-scopes" usage:"OIDC scopes."`
SMTPHost string `name:"smtp-host" usage:"Host of the smtp server. Eg., 'smtp.eu.mailgun.org'"`
SMTPPort int `name:"smtp-port" usage:"Port of the smtp server. Eg., 587"`
SMTPUsername string `name:"smtp-username" usage:"Username to authenticate with the smtp server as. Eg., 'postmaster@mail.example.org'"`
SMTPPassword string `name:"smtp-password" usage:"Password to pass to the smtp server."`
SMTPFrom string `name:"smtp-from" usage:"Address to use as the 'from' field of the email. Eg., 'gotosocial@example.org'"`
SyslogEnabled bool `name:"syslog-enabled" usage:"Enable the syslog logging hook. Logs will be mirrored to the configured destination."`
SyslogProtocol string `name:"syslog-protocol" usage:"Protocol to use when directing logs to syslog. Leave empty to connect to local syslog."`
SyslogAddress string `name:"syslog-address" usage:"Address:port to send syslog logs to. Leave empty to connect to local syslog."`
// TODO: move these elsewhere, these are more ephemeral vs long-running flags like above
AdminAccountUsername string `name:"username" usage:"the username to create/delete/etc"`
AdminAccountEmail string `name:"email" usage:"the email address of this account"`
AdminAccountPassword string `name:"password" usage:"the password to set for this account"`
AdminTransPath string `name:"path" usage:"the path of the file to import from/export to"`
}
// MarshalMap will marshal current Configuration into a map structure (useful for JSON).
func (cfg *Configuration) MarshalMap() (map[string]interface{}, error) {
var dst map[string]interface{}
dec, _ := mapstructure.NewDecoder(&mapstructure.DecoderConfig{
TagName: "name",
Result: &dst,
})
if err := dec.Decode(cfg); err != nil {
return nil, err
}
return dst, nil
}
// UnmarshalMap will unmarshal a map structure into the receiving Configuration.
func (cfg *Configuration) UnmarshalMap(src map[string]interface{}) error {
dec, _ := mapstructure.NewDecoder(&mapstructure.DecoderConfig{
TagName: "name",
Result: cfg,
})
return dec.Decode(src)
}